CN105250050A - Unstressing hanging belt system - Google Patents
Unstressing hanging belt system Download PDFInfo
- Publication number
- CN105250050A CN105250050A CN201510703366.XA CN201510703366A CN105250050A CN 105250050 A CN105250050 A CN 105250050A CN 201510703366 A CN201510703366 A CN 201510703366A CN 105250050 A CN105250050 A CN 105250050A
- Authority
- CN
- China
- Prior art keywords
- sheath
- main body
- suspender
- suspender belt
- belt main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses an unstressing hanging belt system. The unstressing hanging belt system comprises a hanging belt main body and a sheath coating the surface of the hanging belt main body; the hanging belt is made of a fiber film layer, and comprises a hollow frame structure in which a plurality of through holes are formed; a hole is formed in the upper surface or the lower surface of the sheath. According to the unstressing hanging belt system, through the design of the hanging belt main body and sheath structure, the autologous performance of a hanging belt product is improved; through the hole formed in one of the surfaces of the sheath, the contact area between the sheath and a human tissue is reduced, so that resistance generated when the sheath is taken out is greatly reduced, and the convenience and the operability when the sheath is taken out are greatly improved.
Description
Technical field
The invention belongs to implantable medical field, be specifically related to a kind of no-station pole canopy suspender system being used for the treatment of stress incontinence.
Background technology
Stress incontinence (StressUrinaryIncontinence, SUI): also known as stress incontinence is because intra-abdominal pressure increases, during upright or walking, because sphincter of urethra relaxes and the disease of the nonvoluntary outflow of urine of unable formation.When occurring in teenager, be mostly congenital sphincter lack as or function not good, aged patients many due to damage, production causes damage and muscular hypotonus, and gerontal patient is caused by amyotrophy, weak after prolonged illness in addition, malnutrition, diabetes etc. also can cause the generation of primary disease.The median age of female incontinence is 50 ~ 60 years old, and sickness rate is 10% ~ 40%.Urinary incontinence often can cause patient to lose self-respect, embarrassment, the social activity of patient and sexual activity is reduced, will cause depression in patients for a long time, and incontinence is also most common reason old people being delivered care institutions vibrations.Current treatment SUI the most effectively, the most thoroughly method be carry out no-station pole canopy sling surgery.The principle of suspender belt treatment stress incontinence is based on " hammock theoretical ", and this theory thinks that fascia and anterior vaginal wall form one " hammock " in pelvic cavity, and urethra is located thereon, and will cause the generation of stress incontinence when hammock functional defect.Suspender belt is implanted back strap main body two ends and is fixed in muscle and fascia, and plays the effect of support to urethra, its anatomical position is replied normal.
Existing suspender belt product is mainly that woven polypropylene makes, but the long-term implant into body of this series products there will be distortion, cause the complication such as erosion, exposure, infection, erosion refers to that existing suspender belt is easy after the implantation and invades to bladder, ureter, and scope can expand gradually, the suspender belt areal extent being exposed to intracavity can become large gradually, thus causes the symptom of urinary tract infection disease, the repeatedly corresponding site such as urinary system infection, urine fistula.Patient is occurred, and vagina abnormal secretion thing increases, bleed, dyspareunia, pain etc.Further, because suspender belt needs to intert through multiple tissue at implantation process, common ground suspender belt easily hurts tissue and the internal organs of process, easily causes pain even to infect; And suspender belt is in vivo in trailed process, and the frictional force that internal organs and tissue occur with suspender belt, easily makes suspender belt generation deformation and affect the mechanics adjustment operation to the reparation of " hammock " functional defect.
It is that polymer solution or molten mass are formed polymer fiber by one under the effects such as electricity, mechanics, optics, biological or chemical reaction that fiber accumulations increases material manufacturing technology, and piles up in order or disorderly or deposition, is configured to the method for object.Wherein, the technology such as electrostatic spinning, centrifugal force spinning, hot melt spray webbing, melting electrospinning, electrohydrodynamic inkjet printing (EHDjetprinting) all belongs to fiber accumulations and increases material manufacturing technology.It is that one prepares polymer fiber simply effective processing method that fiber accumulations increases material manufacturing technology, and the tissue engineering bracket material adopting the method to prepare, is widely used in organizational project reparation.Its engineering rack prepared can simulate natural extracellular matrix structure to a certain extent effectively, provides good microenvironment to the growth of cell and climbing, thus has certain biomimetic features.The fiber film material that this characteristic makes fiber accumulations increasing material manufacturing technology prepare at present is specially adapted to bio-medical field, as the timbering material etc. of biomembrane, drug conveying, organizational project etc.Although the no-station pole canopy suspender that inventor has had open electrostatic spinning technique to prepare before this, the complication that some current materials bring can be overcome, owing to not carrying out deep exploitation to the structure of suspender belt product, therefore still there is the space of improvement, good biocompatibility is obtained to make patient, complication is low, is convenient to the safe and effective product of operation technique.
Summary of the invention
Goal of the invention of the present invention, is to overcome the deficiencies in the prior art, provides a kind of no-station pole canopy suspender system being used for the treatment of stress incontinence.Described no-station pole canopy suspender system comprises the suspender belt main body that fiber rete is formed, this suspender belt main body has the good performance integrated with autologous tissue, and the sheath of parcel suspender belt body surfaces, suspender belt can be prevented in operation process the cutting organizing internal organs by this sheath, friction to tissue during attenuating suspender belt generation activity, and significantly reduce the resistance of generation when sheath takes out, substantially increase convenience and the operability of operation.
Above-mentioned purpose of the present invention is achieved by following technical solution:
A kind of no-station pole canopy suspender system, described no-station pole canopy suspender system comprises the sheath of suspender belt main body and coated suspender belt body surfaces; Described suspender belt main body is made up of fiber rete, and described suspender belt main body is the latticed supporting structure of hollow out be made up of multiple through hole; The upper surface of described sheath or lower surface are arranged porose.
Preferably, described suspender belt main body is made up of the fiber rete with biomimetic features.
Preferably, the fiber rete described in biomimetic features increases material manufacturing technology by fiber accumulations and obtains.
Preferably, described fiber rete is obtained by electrostatic spinning technique.
Described biomimetic features refers to the structure of simulation natural extracellular matrix.
Through hole in described suspender belt main body, can pass through the methods such as laser engraving, punching press, local pressure are molten, machine cuts and obtain.Due to suspender belt main body having multiple through hole, its homotaxis is latticed, and thus suspender belt main body is the latticed supporting structure of hollow out.
The latticed supporting structure of hollow out in above-mentioned suspender belt main body is designed with and is beneficial to inducing self-body Growth of Cells, form connective tissue, strengthening urethra perienchyma, and suspender belt main body has intensity and the elasticity of optimization, the edge designs of described through hole becomes arc limit or rounding off to can be avoided the stimulation of sharp comer to tissue simultaneously.Prior art is the resistance decreasing suspender belt body implant process, usually selects to increase a sheath on the surface of suspender belt main body.But existing sheath is a complete planar structure normally, the contact surface of itself and tissue is very large, therefore in the process of taking out sheath, is subject to larger resistance.Inventor finds, providing holes on a face of sheath, can reduce the contact area of sheath and tissue, significantly can reduce the resistance produced when sheath takes out, also the resistance in suspender belt implantation process be can reduce simultaneously, convenience and the operability of suspender belt implant surgery substantially increased.
In the present invention, the traction that suspender belt carries out suspender belt when activity is mainly included in operation in human body, and after operation, sheath is separated from suspender belt main body and takes out.
The change in resistance that the size in the hole on sheath and sheath produce when taking out is inversely proportional to, and the area in hole is larger, and resistance when sheath takes out is less.Preferably, the gross area in the hole on described sheath accounts for the sheath upper surface at its place or more than 10% of the lower surface gross area.In order to reach the resistance to tissue in the process of taking in sail better, the gross area in the hole on preferred described sheath accounts for the sheath upper surface at its place or 20% ~ 50% of the lower surface gross area.
Described sheath can be integrated sheath, also can be made up of two sub-sheaths.In order to make better sheath and suspender belt body portion from, preferably use the form of sub-sheath.Thus, preferably, described sheath comprises the first sheath and the second sheath that are symmetrically distributed in suspender belt main body left side and right-hand part; Described first sheath and the second sheath are extended to the central authorities of suspender belt main body by the two ends of suspender belt main body respectively, and the first sheath and the second sheath are independent separately; The upper hole of described first sheath and the second sheath is positioned at the same face.
The quantity in the hole on sheath can be one or more.
Preferably, the quantity being located at the hole on the first sheath or the second sheath is 1 ~ 5.
Preferably, there is gap in its adjacent one end in described first sheath and the second sheath.Preferably, the distance in described gap is 0.1cm ~ 10cm.
In order to reach good autologousization effect, the surface of suspender belt needs to have certain roughness and facilitates creeping of cell and grow into; On the other hand; because suspender belt implantation position is urethra and anterior vaginal wall gap; daily routines will cause suspender belt and the soft direct contact friction of urethra; when suspender belt surface roughness is larger; in daily routines; suspender belt will cause wearing and tearing to urethra, the generation that will likely cause urethra to corrode of wearing and tearing for a long time.Preferably, the described upper surface of suspender belt main body and the roughness of lower surface are 0.1 μm ~ 50 μm.Control in the scope of this roughness, cell can be met better and creep and grow into, and reduce the wearing and tearing of suspender belt to urethra.
The shape of the through hole in suspender belt main body can be the shape of rule or irregular shape.Preferably, the shape of described through hole is circular, oval or is provided with the polygon of chamfering.
The aperture of the through hole in suspender belt main body is larger, more can improve the compatibility of no-station pole canopy suspender and tissue, and preferably, the aperture of described through hole is 1.5 ~ 5mm.More preferably, the aperture of described through hole is 3 ~ 4.5mm.More preferably, the aperture of described through hole is 4mm.
The mechanical property of distribution density to no-station pole canopy suspender of the through hole in suspender belt main body has a certain impact.Usually, if the open cell content in suspender belt main body too much can cause the mechanical performance of no-station pole canopy suspender obviously to decline.Preferably, the distribution density of described through hole in suspender belt main body is 1 ~ 10/cm
2.More preferably, the distribution density of described through hole in suspender belt main body is 2 ~ 8/cm
2.More preferably, the distribution density of described through hole in suspender belt main body is 3 ~ 6/cm
2.
The thickness of suspender belt main body is larger, larger to the stimulation of perienchyma, and complication occurrence probability is higher, and patient is postoperative obviously will have foreign body sensation.But too thin suspender belt will cause cutting to perienchyma.
Preferably, the thickness of described suspender belt main body is 0.1mm ~ 1mm.The thickness of preferred suspender belt main body is 0.2 ~ 0.25mm; Because suspender belt implantation position is anterior vaginal wall, for the user of sexual intercourse, thicker suspender belt will make it experience foreign body sensation and twinge; When reduce the thickness of suspender belt be 0.25mm and following time, patient's foreign body sensation will significantly reduce.
In order to be more convenient for, doctor carries out operation technique, preferably, described sheath is provided with position line.
For integrated sheath, in order to realize being separated of sheath and suspender belt main body better, described position line can be used as sheath cutting position line, and preferably, described cutting position line overlaps at the axially line of symmetry of suspender belt main body with sheath.
Preferably, the two ends of described no-station pole canopy suspender system are provided with guide wire.The design of guide wire, operation technique of being more convenient for.Preferably, the junction of described guide wire and suspender belt main body is provided with for the protection of guide wire and the convenient sleeve pipe punctured.Outside the junction of guide wire and suspender belt main body is exposed to, easily damages, set up the life-span that sleeve pipe can improve junction.Harness system can be convenient to through tissue, in implant into body body simultaneously.Preferably, described sleeve pipe entire length is 5mm ~ 20mm, is more preferably 10mm ~ 16mm; Casing diameter is 2mm ~ 8mm, preferred 3mm ~ 5mm.
The two ends of described no-station pole canopy suspender system are provided with guide wire and sleeve pipe, and one end of described sleeve pipe is connected with sheath and suspender belt main body, and the other end is cone-shaped; One end of described guide wire is connected with sheath and suspender belt main body, and the other end extends to outside sleeve pipe through the cone shaped end opening of sleeve pipe.The sleeve pipe of cone-shaped design, can reduce the resistance of piercing process.
Preferably, one end of described sleeve pipe is connected with sheath and suspender belt main body, and the other end is bullet shape.One end of described guide wire is connected with sheath and suspender belt main body, and the other end extends to outside sleeve pipe through the open-ended of bullet shape of sleeve pipe.Preferably, sleeve pipe comprises by the Part I in straight tube-like be connected with sheath and suspender belt main body and the Part II in bullet-shaped.More preferably, the length of described sleeve pipe Part I is 3mm ~ 17mm, preferred 6mm ~ 13mm.Preferably, described sleeve pipe is made up of the fluorinated ethylene propylene copolymer with high gliding surfaces character.Adopt sleeve pipe prepared by above-mentioned shape and material, the damage to tissue and blood vessel in piercing process can be reduced.
In order to reduce the resistance of suspender belt in human body during activity and between tissue with sheath better, preferred described sheath has smooth surface, and the material of sheath is preferably polyethylene or polypropylene.
The edge designs curved edge of described suspender belt main body, can stimulate the cutting of tissue at suspender belt edge less, has the effect reducing urethra and vagina erosion exposure probability, meanwhile, can provide certain bed knife for suspender belt.Especially for the suspender belt main body that fiber accumulations increasing material manufacturing technology is made, the suspender belt body surfaces made due to fiber accumulations increasing material manufacturing technology is more smooth, there is not the burr of suspender belt body surfaces or overhead kick that weave and make, therefore to increase the suspender belt main body that material manufacturing technology makes usual lower with the bed knife of tissue for fiber accumulations.And suspender belt body rim is designed to curved edge, then can promote the bed knife that fiber accumulations increases the suspender belt main body that material manufacturing technology is made.
Preferably, described curved edge is made up of the arc unit of multiple repeated arrangement.Further, the width of each arc unit is 1mm ~ 10mm, and preferable width is 3 ~ 7mm; The spacing of adjacent two arc unit is for being 0mm ~ 10mm, and preferred distance is 3 ~ 7mm.
The mechanical property requirements of described suspender belt main body can with reference to the mechanical performance of existing suspender belt product, or with reference to the percentage elongation of normal female anterior vaginal wall and urinary incontinence suspention requirement.Preferably, the percentage elongation of described suspender belt main body when bearing 2kg gravity is 10% ~ 50%, is more preferably 15% ~ 30%, is more preferably 20% ~ 25%.Within the scope of this, the autologousization ability of suspender belt main body can be improved.The autologousization ability of suspender belt main body is a reflection of suspender belt repairing effect.Autologousization ability is higher, suspender belt main body more easily allows cell, tissue is grown into, strong with the adhesiveness of tissue, biocompatibility is good, the material of suspender belt and Stability Analysis of Structures, affect biocompatibility without the material newly discharged and material in life-time service process, there is better anti-infective ability simultaneously.
The assay method of the percentage elongation of described suspender belt main body when bearing 2kg gravity is: suspender belt main body being cut to length is 50mm, the batten of wide 11mm, universal tensile testing machine is adopted to measure, loading mode is for determine load modes, load value is set as 19.6N, is then clamped at the two ends of suspender belt main body batten with the fixture of tensile testing machine, carries out tensile test after tensile testing machine zeroing, stretching condition is: draw speed is that 50mm is per minute, and spacing jig is 40mm.The tensile elongation of record suspender belt main body when 19.6N pulling force.
Preferably, the width of described suspender belt main body is 7 ~ 15mm.The width of preferred described suspender belt main body is 9mm ~ 11mm.
Prepare the material that the fiber rete of suspender belt main body of the present invention is used, use conventional non-degradable material to make.Described non-degradable material mainly comprises the non-degradable materials such as poly-fluorine class material (PVDF, PTFE etc.), polyolefin (polyethylene, polypropylene etc.), polyurethane material (PU, PCU, TPU etc.).
More preferably, described non-degradable material is passed through processing method, make the material with certain loft and degree of stability, as in CN104645420A the soft tissue repair sticking patch introduced, possess good loft, be conducive to adhere fast and propagation, the guiding cell differentiation of biological cells and tissues, be conducive to fitting tightly between tissue, simultaneously it is in long-term body endomixis and evolutionary process, keeps the stable of pore-size and porosity.
Preferably, described fiber rete is the fibrous membrane organization bracket be made up of at the fiber of 0.01 μm ~ 100 μm diameter, and have vesicular texture, its loft is 200 ~ 2000cm
3/ g, its fiber junction occurs to merge and forms fiber nodes;
The degree of stability S of described organization bracket meets following relation:
,
Wherein T
1for organization bracket original depth, T
2for recording the thickness of organization bracket after mechanics fatigue test, thickness unit mm; The numerical value of S is 1 ~ 3.
Degree of stability records the ratio of the thickness of suspender belt material of main part after referring to the original depth of suspender belt material of main part and mechanics fatigue test.In the Stabilily parameter of described group of suspender belt main body, the test mode of each parameter is with reference to following method:
The method of testing of described suspender belt material of main part original depth is tested according to GB/T7689.1-2001 method for utilizing FAST-1 compressibility Fabric Style instrument, represents that suspender belt material of main part is at 2cN/cm
2thickness under pressure;
Described mechanics fatigue test is according to suspender belt material of main part, in 10MPa hot strength, stretches 500000 times.
More preferably, described fiber rete is the fibrous membrane organization bracket be made up of at the fiber of 0.1 μm ~ 10 μm diameter.
Fusion formation fiber nodes occurs in described fiber junction is that cross-lapping place occurs to merge the microcosmic node formed or macroscopical node that the generation fusion of side-by-side contact place is formed between fiber between fiber.
Preferably, the shape of described microcosmic node is bulk, and average diameter is 10nm ~ 10 μm.
Preferably, described macroscopical node is wire, bulk, and the live width of wire macroscopic view node is 25 ~ 1000 μm; The average diameter of bulk macroscopic view node is 25 ~ 1000 μm.
In the present invention, described bulk, comprises the spherical of rule of surface, or surface imperfection is spherical; This dough is reunited due to fiber melting rear generation and is formed.
Preferably, the live width of described wire macroscopic view node is 50 ~ 500 μm; The diameter of bulk macroscopic view node is 50 ~ 500 μm.
Preferably, the spacing of any two described macroscopical nodes is 100 ~ 5000 μm.More preferably, the spacing of any two described macroscopical nodes is 100 ~ 1000 μm.
Preferably, the loft of described fiber rete is 200 ~ 2000cm
3/ g.
Preferably, the pliability of described fiber rete is 50 ~ 500 milli newton.
Preferably, the pliability of described fiber rete is 200 ~ 450 milli newton.
Described loft and pliability can with reference to CN103800096A, and namely loft of the present invention refers to 1000 times of the apparent thickness of the organization bracket be made up of the fiber of 0.01 μm ~ 100 μm and the ratio of surface density, namely
The apparent thickness T of loft=organization bracket
3/ surface density ω × 10
3,
Wherein, loft is with cm
3/ g represents, apparent thickness represents with mm, and surface density is with g/m
2represent.The apparent thickness T of organization bracket
3method of testing be utilize FAST-1 compressibility Fabric Style instrument to test according to GB/T7689.1-2001 method, be expressed as organization bracket at 2cN/cm
2under pressure, thickness (mm) and organization bracket are at 100cN/cm
2the difference of thickness (mm) under pressure.The test mode of surface density ω is when ignoring the thickness of organization bracket, the weight under single unit are of mensuration.
Described pliability refers to the maximum vector sum of the counter-bending power of the organization bracket tested out according to method in GB/T8942-2002 and organization bracket and gap place frictional force, and with milli, newton represents, softness values less explanation film is more soft.
The preparation method of suspender belt main fibre film described above, can with reference to the method preparation recorded in CN103800096A, CN104645420A.
Compared with prior art, the present invention has following beneficial effect:
No-station pole canopy suspender system of the present invention, by the design to suspender belt main body and jacket structure, improve the autologous voltinism energy of suspender belt product, by providing holes on a face of sheath, reduce the contact area of sheath and tissue, thus the resistance significantly reduced with producing time movable in the human body of the suspender belt of sheath, substantially increase convenience when sheath takes out or draws suspender belt and operability.Described suspender belt is in the process of implant into body, little to the stimulation of tissue, after long-term implantation, can grow along the micropore between the spinning fibre of suspender belt main body rapidly by inducing self-body cell, form connective tissue and strengthen urethra perienchyma, thus urethra perienchyma recovers or close to normal physiological function, no-station pole canopy suspender system of the present invention significantly can reduce the generation of the complication such as foreign body sensation and erosion, exposure, infection.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of no-station pole canopy suspender system described in embodiment 1;
Fig. 2 is a kind of structural representation of no-station pole canopy suspender system described in embodiment 1;
Fig. 3 is the structural representation of the through hole that described suspender belt main body is arranged;
Fig. 4 is the structural representation of described suspender belt body rim;
Fig. 5 is the structural representation of described sleeve pipe.
Fig. 6 is the stressed schematic diagram of sheath when being pulled or take out.
Detailed description of the invention
Below in conjunction with some detailed description of the invention, no-station pole canopy suspender system of the present invention is described further.Specific embodiment is for further describing the present invention, non-limiting protection scope of the present invention.
Embodiment 1
As figure 1 shows a kind of way of realization of no-station pole canopy suspender system, comprise the sheath 2 of suspender belt main body 1 and coated suspender belt body surfaces and be located at the guide wire 4 at suspender belt main body two ends and the sleeve pipe 3 for the protection of guide wire; Described suspender belt main body is provided with the hollow out fenestral fabric be made up of multiple through hole 11, and described suspender belt main body is the fibrous layer be made up of fiber accumulations increasing material manufacturing technology; The edge of described through hole is arc limit or straight flange, and when the edge of described through hole is straight flange, rounding off between each straight flange; The edge of described suspender belt main body is curved edge; Described curved edge is made up of the arc unit 12 of multiple repeated arrangement.The width of each arc repetitive is 1mm ~ 10mm; The spacing of each arc repetitive is 0mm.
The upper surface of described sheath 2 or lower surface are provided with a hole 21, and the area in described hole 21 accounts for more than 20% of the sheath upper surface/lower surface gross area at its place.
Fig. 2 shows the way of realization of another kind of no-station pole canopy suspender system, comprises the sheath 2 of suspender belt main body 1 and coated suspender belt body surfaces and is located at the guide wire 4 at suspender belt main body two ends and the sleeve pipe 3 for the protection of guide wire; Described suspender belt main body is provided with the hollow out fenestral fabric be made up of multiple through hole 11, and described suspender belt main body makes fibrous layer for increasing material manufacturing technology by fiber accumulations; The edge of described through hole is arc limit or straight flange, and when the edge of described through hole is straight flange, rounding off between each straight flange; The edge of described suspender belt main body is curved edge; Described curved edge is made up of the arc unit 12 of multiple repeated arrangement.The width of each arc repetitive is 1mm ~ 10mm; The spacing of each arc repetitive is 0mm.
Described sheath 2 is made up of symmetrical left sheath 22 and right sheath 23, and left sheath 22 and right sheath 23 are independent separately; Described left sheath 22 and right sheath 23 are respectively equipped with hole 221,231 corresponding on the same face of suspender belt main body.Hole 221, the area of 231 accounts for the left sheath upper surface at its place or more than 20% of right sheath upper surface area.There is gap with right sheath 23 in its adjacent one end in described left sheath 22, the distance in described gap is 0.1cm-10cm.The width of suspender belt main body 1 is 7 ~ 15mm.
Fig. 3 illustrates several different shape of the through hole 11 be located in suspender belt main body, can be oval, circular or corner rounding off square.
The curved edge 12 of suspender belt main body 1 designs, and can be as mentioned above to be made up of the arc unit 12 of multiple repeated arrangement.The width of each arc repetitive is 1mm ~ 10mm; The spacing of each arc repetitive is 0mm; Or as shown in Figure 4, the existence of each arc repetitive is less than the spacing of 10mm.
One end of sleeve pipe 3 is connected with suspender belt main body 1, and the other end is cone-shaped.Preferably, as shown in Figure 5, sleeve pipe 3 comprises by the Part I 31 in straight tube-like be connected with suspender belt main body 1 and the Part II 32 in bullet-shaped the shape of described sleeve pipe 3.The overall length of described sleeve pipe 3 is 5mm-20mm, preferred 10mm-16mm; The length of described Part I 31 is 3mm ~ 17mm, preferred 6mm ~ 13mm; The diameter of Part I 31 is 2mm ~ 8mm, preferred 3mm ~ 5mm.
In the present embodiment, described suspender belt main body is the organization bracket be made up at the electrospun fibers of 0.01 μm ~ 100 μm of diameter, and material used can be the non-degradable materials such as poly-fluorine class material (PVDF, PTFE etc.), polyolefin (polyethylene, polypropylene etc.), polyurethane material (PU, PCU, TPU etc.).Its loft, degree of stability do not need to do extra restriction.
In order to be more convenient for, doctor carries out operation technique, preferably, described sheath is provided with position line.Preferably, described position line and sheath line of symmetry in the axial direction overlaps.For the structure of Fig. 1, because sheath 2 is one-body molded, preferably tear line/cutting wires is set at position line place.
Embodiment 2
Described in Fig. 1 or Fig. 2 of no-station pole canopy suspender system structure described in the present embodiment and embodiment 1, structure is identical.
Wherein, described suspender belt main body is the organization bracket be made up of at the fiber of 0.01 μm ~ 100 μm diameter, and have vesicular texture, its loft is 200 ~ 2000cm
3/ g, its fiber junction occurs to merge and forms fiber nodes;
The degree of stability S of described organization bracket meets following relation:
,
Wherein T
1for organization bracket original depth, T
2for recording the thickness of organization bracket after mechanics fatigue test, thickness unit mm; The numerical value of S is 1 ~ 3.Suspender belt main body described in the present embodiment can with reference to the preparation method preparation recorded in CN104645420A.
What it is believed that the suspender belt main body with above-mentioned performance has better mechanical property and repairing performance.
Comparative example 1
The no-station pole canopy suspender system of this comparative example is not except sheath being provided with hole (namely the upper and lower surface of sheath is airtight entirety), and the structure described in Fig. 1 of all the other structures and embodiment 1 is identical.
Resistance measurement experiment is carried out as follows:
To be coated with the suspender belt main body of sheath from long 25cm, thickness is that the leptobos cube meat center of 8cm is passed.Weight placed by beef, and during for sham operated process suspender belt through human body, muscle and fascia tissue are to the oppressive force of suspender belt.Subsequently the part that suspender belt main body is exposed outside beef is cut off, keep remaining part motionless, slowly sheath and unnecessary suspender belt main part are extracted out by traction guide wire, the mechanics numerical value in reading pointer type pull and push dynamometer, by reset key zero after record, start next group test.
The resistance measurement result of taking out sheath is as shown in table 1
Table 1
As can be seen from above-mentioned contrast, structure of the present invention, can reduce power used when taking out sheath.Therefore be more convenient for operating.
Stressing conditions when sheath takes out from tissue as shown in Figure 6.Owing to usually can fold in suspender belt implantation process, in therefore taking-up process, need the multiple action power overcoming sheath and tissue, sheath and suspender belt main body.Fig. 6 a shows with the stressing conditions with the sheath described in comparative example 1.Suspender belt is in folding state in tissue, and after the severing of C place, when taking out sheath, the contact surface of every layer of sheath and suspender belt main body all can produce frictional force, and now, when sheath is detached human body toward D direction, sheath is F by the frictional force of suspender belt main body
rub=4 μ F
pressure(in formula, F
rubfor sheath takes out the frictional force of suffered suspender belt main body, μ is coefficient of friction, F
pressurefor suspender belt pressure), Fig. 6 b shows the stressing conditions of the sheath to have structure shown in Fig. 1, and when after the upper surface or lower surface perforate of sheath, sheath folds to the one side being provided with perforate in implantation process, and now during taking-up sheath, sheath is subject to frictional force is F
rub=2 μ F
pressure.Visible, after a face of sheath arranges perforate, the frictional resistance of sheath significantly reduces.Therefore the design being provided with hole on a face of sheath can eliminate the frictional force of suspender belt folded interior, thus can reduce power used when taking out sheath.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (19)
1. a no-station pole canopy suspender system, is characterized in that, described no-station pole canopy suspender system comprises the sheath of suspender belt main body and coated suspender belt body surfaces; Described suspender belt main body is made up of fiber rete, and described suspender belt main body is the latticed supporting structure of hollow out be made up of multiple through hole; The upper surface of described sheath or lower surface are arranged porose.
2. no-station pole canopy suspender system according to claim 1, it is characterized in that, the gross area in the hole on described sheath accounts for the sheath upper surface at its place or more than 10% of the lower surface gross area, is preferably 20% ~ 50%.
3. no-station pole canopy suspender system according to claim 1, described sheath comprises the first sheath and the second sheath that are symmetrically distributed in suspender belt main body left side and right-hand part; Described first sheath and the second sheath are extended to the central authorities of suspender belt main body by the two ends of suspender belt main body respectively, and the first sheath and the second sheath are independent separately; Hole on described first sheath and the second sheath is positioned at the same face.
4. no-station pole canopy suspender system according to claim 3, it is characterized in that, the quantity being located at the hole on the first sheath and/or the second sheath is 1 ~ 5.
5. no-station pole canopy suspender system according to claim 3, it is characterized in that, there is gap in its adjacent one end in described first sheath and the second sheath, and the distance in described gap is 0.1cm-10cm.
6. no-station pole canopy suspender system according to claim 1 to 5 any one claim, is characterized in that, the described upper surface of suspender belt main body and the roughness of lower surface are 0.1 μm ~ 50 μm.
7. no-station pole canopy suspender system according to claim 1 to 6 any one claim, is characterized in that, the shape of the through hole in described suspender belt main body is circular, oval or is provided with the polygon of chamfering.
8. no-station pole canopy suspender system according to claim 1 to 7 any one claim, is characterized in that, the aperture of the through hole in described suspender belt main body is 1.5 ~ 5mm.
9. no-station pole canopy suspender system according to claim 1 to 8 any one, is characterized in that, the distribution density of the through hole in described suspender belt main body in suspender belt main body is 1 ~ 10/cm
2.
10. no-station pole canopy suspender system according to claim 1 to 9 any one claim, is characterized in that, the thickness of described suspender belt main body is 0.1mm ~ 1mm.
11. according to claim 1 to 10 any one claim no-station pole canopy suspender system, described sheath is provided with position line.
12. according to claim 1 to 11 any one claim no-station pole canopy suspender system, it is characterized in that, the two ends of described no-station pole canopy suspender system are provided with guide wire and sleeve pipe.
13., according to no-station pole canopy suspender system described in claim 12, is characterized in that, one end of described sleeve pipe is connected with sheath and suspender belt main body, and the other end is cone-shaped; One end of described guide wire is connected with sheath and suspender belt main body, and the other end extends to outside sleeve pipe through the opening of the cone shaped end of sleeve pipe.
14. no-station pole canopy suspender systems according to claim 12, one end of described sleeve pipe is connected with sheath and suspender belt main body, and the other end is bullet shape; One end of described guide wire is connected with sheath and suspender belt main body, and the other end extends to outside sleeve pipe through the opening of the bullet shape end of sleeve pipe.
15. no-station pole canopy suspender systems according to claim 1 to 14 any one, the edge of described suspender belt main body is curved edge, and described curved edge is made up of the arc unit of multiple repeated arrangement; The width on the arc limit of each arc unit is 1mm ~ 10mm, and the spacing of adjacent two arc unit is 0mm ~ 10mm.
16. according to claim 1 to 15 any one claim no-station pole canopy suspender system, it is characterized in that, the percentage elongation of described suspender belt main body when bearing 2kg gravity is 10% ~ 50%.
17. according to claim 1 to 16 any one claim no-station pole canopy suspender system, it is characterized in that, the width of described suspender belt main body is 7 ~ 15mm.
18. according to claim 1 to 17 any one claim no-station pole canopy suspender system, it is characterized in that, described fiber rete is the fibrous membrane organization bracket be made up of at the fiber of 0.01 μm ~ 100 μm diameter, and have vesicular texture, its loft is 200 ~ 2000cm
3/ g, its fiber junction occurs to merge and forms fiber nodes;
The degree of stability S of described organization bracket meets following relation:
,
Wherein T
1for organization bracket original depth, T
2for recording the thickness of organization bracket after mechanics fatigue test, thickness unit mm; The numerical value of S is 1 ~ 3.
19., according to no-station pole canopy suspender system described in claim 18, is characterized in that, described fiber rete is the fibrous membrane organization bracket be made up of at the fiber of 0.1 μm ~ 10 μm diameter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703366.XA CN105250050B (en) | 2015-10-26 | 2015-10-26 | A kind of no-station pole canopy suspender system |
| PCT/CN2015/099217 WO2016107522A1 (en) | 2014-12-29 | 2015-12-28 | Soft tissue repair patch and preparation method thereof, and tension-free hanging belt system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703366.XA CN105250050B (en) | 2015-10-26 | 2015-10-26 | A kind of no-station pole canopy suspender system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105250050A true CN105250050A (en) | 2016-01-20 |
| CN105250050B CN105250050B (en) | 2017-07-28 |
Family
ID=55090207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510703366.XA Active CN105250050B (en) | 2014-12-29 | 2015-10-26 | A kind of no-station pole canopy suspender system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105250050B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397758A (en) * | 2021-07-13 | 2021-09-17 | 日照天一生物医疗科技有限公司 | Suspender for treating stress urinary incontinence |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020099258A1 (en) * | 2001-01-23 | 2002-07-25 | Staskin David R. | Sling delivery system and method of use |
| US20040039453A1 (en) * | 2001-07-27 | 2004-02-26 | Anderson Kimberly A. | Pelvic health implants and methods |
| US20090156986A1 (en) * | 2007-12-12 | 2009-06-18 | Rockford Orthopaedic Sports Medicine Services, Llc | Rotator cuff patch delivery device |
| CN103079495A (en) * | 2010-08-26 | 2013-05-01 | 伊西康公司 | Centering aid for implantable sling |
| CN103800096A (en) * | 2012-11-14 | 2014-05-21 | 深圳迈普再生医学科技有限公司 | Implantation fiber membrane used for pelvic floor dysfunction repair, preparation method and medical apparatus containing implantation fiber membrane used for pelvic floor dysfunction repair |
| CN103957839A (en) * | 2011-09-22 | 2014-07-30 | Ams研究股份有限公司 | Pelvic implant and treatment method |
-
2015
- 2015-10-26 CN CN201510703366.XA patent/CN105250050B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020099258A1 (en) * | 2001-01-23 | 2002-07-25 | Staskin David R. | Sling delivery system and method of use |
| US20040039453A1 (en) * | 2001-07-27 | 2004-02-26 | Anderson Kimberly A. | Pelvic health implants and methods |
| US20090156986A1 (en) * | 2007-12-12 | 2009-06-18 | Rockford Orthopaedic Sports Medicine Services, Llc | Rotator cuff patch delivery device |
| CN103079495A (en) * | 2010-08-26 | 2013-05-01 | 伊西康公司 | Centering aid for implantable sling |
| CN103957839A (en) * | 2011-09-22 | 2014-07-30 | Ams研究股份有限公司 | Pelvic implant and treatment method |
| CN103800096A (en) * | 2012-11-14 | 2014-05-21 | 深圳迈普再生医学科技有限公司 | Implantation fiber membrane used for pelvic floor dysfunction repair, preparation method and medical apparatus containing implantation fiber membrane used for pelvic floor dysfunction repair |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397758A (en) * | 2021-07-13 | 2021-09-17 | 日照天一生物医疗科技有限公司 | Suspender for treating stress urinary incontinence |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105250050B (en) | 2017-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103800096B (en) | Pelvic floor dysfunction disease reparation is with implanting fiber diaphragm, preparation method and the medical apparatus and instruments containing it | |
| JP5984949B2 (en) | Tissue elevation implant | |
| US11266488B2 (en) | Tissue repair fiber membrane, preparation method and application thereof, and tissue repair product | |
| JP6140295B2 (en) | Tissue repair fiber membrane and its product and manufacturing method | |
| KR101865435B1 (en) | Vaginal insert device having a support portion with plurality of foldable areas | |
| CN103800942B (en) | Pelvic floor patch | |
| KR101878003B1 (en) | Vaginal insert device having a support portion with plurality of struts | |
| CA2829881C (en) | Scaffold system to repair cardiovascular conditions | |
| CN103800097A (en) | Fibrous membrane for tissue repair and manufacturing method and application thereof | |
| WO2005094741A1 (en) | Sling for treatment of urinary stress incontinence and/or pelvic floor prolapse | |
| CN102137633B (en) | Minimally invasive implant | |
| JP2012511955A (en) | Biocompatible fiber-based device for tissue-guided regeneration | |
| WO2008007086A2 (en) | Tissue repair device | |
| CN105250050B (en) | A kind of no-station pole canopy suspender system | |
| CN109302841B (en) | Implants and methods for treating pelvic conditions | |
| WO2016107522A1 (en) | Soft tissue repair patch and preparation method thereof, and tension-free hanging belt system | |
| CN208481425U (en) | Basin bottom operation puncturing device and puncture outfit combination set | |
| KR101697853B1 (en) | Sling procedure for urinary incontinence | |
| US20100261953A1 (en) | Apparatus and method for pelvic floor repair in the human female | |
| US20210236260A1 (en) | Stent-graft | |
| CN208481527U (en) | A kind of suspender belt implantation instrument for treating stress incontinence | |
| CN201253230Y (en) | One-piece urethra hanging strip | |
| CN220632292U (en) | Mesh for treating pelvic floor prolapse | |
| CN203754904U (en) | Medical braided wire and medical instrument product implanted by same | |
| CN210384178U (en) | Vitreous chamber foreign body pocket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |