CN106175979A - Artificial blood vessel - Google Patents
Artificial blood vessel Download PDFInfo
- Publication number
- CN106175979A CN106175979A CN201610639554.5A CN201610639554A CN106175979A CN 106175979 A CN106175979 A CN 106175979A CN 201610639554 A CN201610639554 A CN 201610639554A CN 106175979 A CN106175979 A CN 106175979A
- Authority
- CN
- China
- Prior art keywords
- blood vessel
- outer tube
- inner tube
- snap ring
- artificial blood
- 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
- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 62
- 239000002473 artificial blood Substances 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 239000002861 polymer material Substances 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000007556 vascular defect Effects 0.000 abstract description 4
- 208000028867 ischemia Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 206010002660 Anoxia Diseases 0.000 description 2
- 241000976983 Anoxia Species 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- 230000007953 anoxia Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/064—Blood vessels with special features to facilitate anastomotic coupling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
Abstract
The present invention provides artificial blood vessel, including four bifurcateds and support, also include outer tube and inner tube, one end of said inner tube connects described four bifurcateds, and said inner tube arranges snap ring, and described support is fixed in the inside of said inner tube, one end of described outer tube is fixed with said inner tube, and the end of described outer tube arranges and tightens up line, when described tighten up line tension time, the end of described outer tube is tightened to press said inner tube.In the present invention, inner tube is placed at vascular defects, is inserted by snap ring in blood vessel, makes the position of inner tube be temporarily fixed to Ink vessel transfusing；Outer tube is positioned at the outer wall of blood vessel, and make outer tube end be placed in the outer end of inner tube, line is tightened up in tension, the end making outer tube is tightened up, until the end bore of outer tube is less than the diameter of snap ring, makes tightening up after tightening up between line and snap ring, form a locking mechanism, inner tube, outer tube are fixed on blood vessel together, rapidly artificial blood vessel is linked together with blood vessel, shorten the operating time of operation.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of artificial blood vessel.
Technical background
Vessel injury, arteriovascular diseases or organ autotransplantation etc. usually need to apply artificial blood vessel to substitute
Native blood vessel.Existing artificial blood vessel is to take medical macromolecular materials to be woven into tubular structure.When operation technique, first hinder
After the blood flow of the disconnected native blood vessel coincideing with artificial blood vessel, then artificial blood vessel is embedded at vascular defects, first by artificial blood vessel's
One end and vascular suture；Sew up other end artificial blood vessel and blood vessel again.But blocking blood flow, the organ that this arteries is arranged
For there is ischemia, oxygen deficit problem, for ischemia, the more sensitive organ of anoxia, long-time ischemia may affect its function, seriously
Person may result in organ ischemia, anoxia necrosis.Therefore, operation technique needs strictly to control the time.Visible, existing artificial blood vessel deposits
In problems with: sewing process is inconvenient, causes operating time longer, directly affects the success rate of operation.
Summary of the invention
It is an object of the invention to provide a kind of artificial blood vessel, use the structure of inner and outer pipes, arrange in the end of outer tube and tighten up
Line, the end of inner tube arranges snap ring, tightens up line by tension, makes tightening up after tightening up form a locking knot between line and snap ring
Structure, is conveniently fixed on the present invention on blood vessel.
In order to achieve the above object, the present invention provides following technical scheme:
Artificial blood vessel, including four bifurcateds and support, also includes outer tube and inner tube, and one end of said inner tube connects described four points
Fork, said inner tube arranges snap ring, and described support is fixed in the inside of said inner tube, and one end of described outer tube is solid with said inner tube
Fixed, and arrange on described outer tube and tighten up line, when described tighten up line tension time, described outer tube is tightened to press described snap ring.Behaviour
When making, the present invention is placed at vascular defects, inner tube is inserted in blood vessel, makes snap ring fix at Ink vessel transfusing；One end of outer tube
It is connected with one end of inner tube, forms a cavity.Outer tube is positioned at the outer wall of blood vessel, makes blood vessel sky between outer tube and inner tube
Intracavity.Line is tightened up in tension, and outer tube tightens up, and makes tightening up after tightening up form a locking mechanism between line and snap ring, by inner tube, outward
Pipe is fixed on blood vessel together, artificial blood vessel is linked together with blood vessel rapidly, shortens the operating time of operation.
In a preferred embodiment, described outer tube also includes that clamping seam, the edge of described clamping seam arrange flexibility
Connector, tightens Guan Bi by described flexible connecting member by described clamping seam.Clamping seam is offered so that the edge of outer tube on outer tube
In opened condition, conveniently outer tube is enclosed within rapidly vessel outer wall, by flexible connecting member, clamping seam is sewed up, make outer tube be formed
Cylindrical shape, and the outer tube diameter of cylindrical shape is slightly less than blood vessel.Outer tube coordinates inner tube to form an extrusion structure, outside making after stitching
Pipe is expressed to blood vessel, it is achieved hemostasis.
In a preferred embodiment, described snap ring uses memory metal material to make, and described snap ring can shrink
To inserting blood vessel, and can be expanded to strut as blood vessel or by blood vessel.
In a preferred embodiment, a diameter of 14-28mm of said inner tube.
In a preferred embodiment, a diameter of 16-30mm of described outer tube.
In a preferred embodiment, described outer tube and inner tube use medical macromolecular materials to make.
In a preferred embodiment, described flexible connecting member is sealing strip, tied rope or intermeshing connection strap.
In a preferred embodiment, offering groove on described snap ring, described groove is along the circumferential edge of snap ring
Arrange, form an annular, when described tighten up line tension after, described in tighten up line and be fixed in described groove.Line is tightened up after tension
Tension force is very big, easily slides with snap ring.By being fixed in groove, make to tighten up formed between line and snap ring stable
Locking mechanism.
The invention have the benefit that
Inner tube is inserted in blood vessel, make the snap ring in inner tube fix at Ink vessel transfusing；Outer tube is positioned at the outer wall of blood vessel, makes
In blood vessel cavity between outer tube and inner tube.Tension tighten up line, make the edge of outer tube tighten up, make after tightening up tighten up line with
Form a locking mechanism between snap ring, inner tube, outer tube are fixed on blood vessel together, rapidly by artificial blood vessel with blood vessel even
Being connected together, shorten the operating time of operation, angiorrbagia is little.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the present invention；
Fig. 2 is the sectional view of outer tube；
Fig. 3 is that the present invention uses state diagram；
Fig. 4 is snap ring and the connection status figure tightening up line；
Fig. 5 is the structural representation of a kind of embodiment of clamping seam；
Fig. 6 is the structural representation of the another kind of embodiment of clamping seam；
Fig. 7 is the structural representation of another embodiment of clamping seam.
Detailed description of the invention
Below in conjunction with the accompanying drawing of the present invention, technical scheme is clearly and completely described, it is clear that institute
The embodiment described is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly falls into this
The scope of bright protection.
In conjunction with Fig. 1-2, the artificial blood vessel of the present embodiment, including four bifurcateds 5, outer tube 1 and inner tube 2.Outer tube 1 and inner tube 2 are all
Employing medical macromolecular materials are made, and such as polyurethane, silicone rubber, polyester fiber, polyvinyl pyrrolidone, polyether-ether-ketone, gather
Methyl methacrylate, polyvinyl alcohol, polylactic acid, polyethylene etc..A diameter of 16-30mm of outer tube 1.A diameter of 14-of inner tube 2
28mm.Outer tube 1 selects according to the practical situation of sufferer with the diameter of inner tube 2.Outer tube 1 is placed on the outside of inner tube 2.Inner tube
One end of 2 is connected with four bifurcateds 5, and is nested with snap ring 3 in inner tube 2.Snap ring 3 is fixed on junction by bonding or suture way
Outside.Snap ring 3 uses Nitinol to make.Support 6 is placed in the inside of inner tube 2.Before surgery, snap ring 3 is extruded so that it is
Diameter reduces, and then together with support 6, inner tube 2 is inserted blood vessel.At Ink vessel transfusing, snap ring 3 shape is recovered, its diameter with
Vessel diameter is the same, slightly larger than vessel diameter, makes snap ring 3 slightly be strutted by blood vessel.Blood vessel by the support of support 6,
It is locked in the outside of inner tube 2.One end of outer tube 1 arranges and tightens up line 4.Such as Fig. 2, by two tubulation walls bondings radially on outer tube 1
Together, forming a passage 10, passage 10 offers opening.Tighten up line 4 to penetrate in passage 10, tighten up the two ends of line 4 from passage
Opening on 10 passes.The mode that can also use other is arranged on outer tube 1 tightens up line 4.Outer tube 1 arranges and tightens up the one of line 4
The inwall of end is bonding with inner tube 2.Such as Fig. 3, inner tube 2 is placed at vascular defects, is inserted by snap ring 3 in blood vessel 0 inwall, makes inner tube 2
It is stuck in blood vessel 0；Outer tube 1 is positioned at the outer wall of blood vessel 0, and makes outer tube 1 end be placed in the outside of inner tube 2 end.Line is tightened up in tension
4, make the end of outer tube 1 tighten up, the outer tube 1 end bore after tightening up is less than the diameter of snap ring 3.Tightening up line 4 and blocking after tightening up
Form a locking mechanism between ring 3, inner tube 2, outer tube 1 are fixed on blood vessel 0, together rapidly by artificial blood vessel and blood vessel
0 links together, and shortens the operating time of operation.
In order to tightening up after preventing tension is slided between line and snap ring, cause fixing blood vessel, implement in one
In mode, such as Fig. 4, offering groove 30 on snap ring 3, groove 30 is arranged along the circumferential edge of snap ring 3, forms an annular.Work as receipts
After stringing 4 tension, tighten up line 4 and be fixed in groove 30.After tension to tighten up line 4 tension force big, be fixed in groove 30, energy
Enough it is prevented effectively from snap ring 3 slip.
For convenience in operation process, blood vessel is stopped blooding, in one embodiment, such as Fig. 5, the end of outer tube 1
Portion offers clamping seam 11 along the length direction of outer tube 1.Aperture 12 is offered by antermarginal position in the both sides of clamping seam 11.Tied rope
In the 13 both sides apertures 12 penetrating clamping seam 11 successively, by tied rope 120 by the both sides drawing of clamping seam 11 together.Outer tube 1
On owing to having offered clamping seam 11 so that outer tube 1 in opened condition, convenient is enclosed within vessel outer wall by the end of outer tube 1.Tension is tied up
Rope 120 makes clamping seam 11 Guan Bi, and outer tube 1 forms cylindrical shape.During clamping seam 11 Guan Bi, the tube wall of outer tube 1 shrinks, is expressed to
Blood vessel, it is achieved the effect of hemostasis.
Closing clamping seam 11 for convenience, the both sides of clamping seam 11 can also use the structure of sealing strip, such as figure
6.Clamping seam 11 while offering groove 130 along edge direction, another side offers projection 131 along edge direction.Projection 131
Can be extruded in groove 130, make clamping seam 11 reach Guan Bi.Such as Fig. 7, clamping seam 11 can also use intermeshing company
Connect bar 14 to be attached.Clamping seam 11 while offering concavo-convex alternate sprocket 141 along edge direction, another side is along edge
Concavo-convex alternate sprocket 142 is offered in direction.Sprocket 141 is staggeredly located with the concavo-convex of sprocket 142, makes sprocket 141 nibble with sprocket 142
Close.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with scope of the claims.
Claims (8)
1. artificial blood vessel, including four bifurcateds and support, it is characterised in that: also including outer tube and inner tube, one end of said inner tube is even
Connecing described four bifurcateds, said inner tube arranges snap ring, described support is fixed in the inside of said inner tube, one end of described outer tube and institute
State inner tube to fix, and on described outer tube arrange tighten up line, when described tighten up line tension time, described outer tube is tightened to press described card
Ring.
Artificial blood vessel the most according to claim 1, it is characterised in that described outer tube also includes clamping seam, described clamping seam
Edge flexible connecting member is set, by described flexible connecting member, described clamping seam is tightened Guan Bi.
Artificial blood vessel the most according to claim 1 and 2, it is characterised in that described snap ring uses memory metal material to make,
Described snap ring can be contracted to insert blood vessel, and can be expanded to strut blood vessel.
Artificial blood vessel the most according to claim 3, it is characterised in that a diameter of 14-28mm of said inner tube.
Artificial blood vessel the most according to claim 4, it is characterised in that a diameter of 16-30mm of described outer tube.
6. according to the artificial blood vessel described in claim 4 or 5, it is characterised in that described outer tube and inner tube use medical high polymer
Material is made.
Artificial blood vessel the most according to claim 2, it is characterised in that described flexible connecting member is sealing strip, tied rope or mutual
The connection strap being meshed.
Artificial blood vessel the most according to claim 1 and 2, it is characterised in that offer groove, described groove on described snap ring
Circumferential edge along snap ring is arranged, and forms an annular, when described tighten up line tension after, described in tighten up line and be fixed on described groove
In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639554.5A CN106175979B (en) | 2016-08-05 | 2016-08-05 | Artificial blood vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639554.5A CN106175979B (en) | 2016-08-05 | 2016-08-05 | Artificial blood vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106175979A true CN106175979A (en) | 2016-12-07 |
| CN106175979B CN106175979B (en) | 2018-01-30 |
Family
ID=57514466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610639554.5A Active CN106175979B (en) | 2016-08-05 | 2016-08-05 | Artificial blood vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106175979B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728328A (en) * | 1984-10-19 | 1988-03-01 | Research Corporation | Cuffed tubular organic prostheses |
| CN2154027Y (en) * | 1993-07-02 | 1994-01-26 | 北京市心肺血管医疗研究中心 | Artificial blood vessel for medical |
| US5709335A (en) * | 1994-06-17 | 1998-01-20 | Heartport, Inc. | Surgical stapling instrument and method thereof |
| US6076529A (en) * | 1998-04-20 | 2000-06-20 | Heartstent Corporation | Transmyocardial implant with inserted vessel |
| US6406491B1 (en) * | 1999-05-04 | 2002-06-18 | Heartstent Corporation | Compliant transmyocardial implant |
| CN102048596A (en) * | 2009-11-09 | 2011-05-11 | 于存涛 | Artificial four-branch blood vessel stented elephant trunk and fixing device thereof |
-
2016
- 2016-08-05 CN CN201610639554.5A patent/CN106175979B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728328A (en) * | 1984-10-19 | 1988-03-01 | Research Corporation | Cuffed tubular organic prostheses |
| CN2154027Y (en) * | 1993-07-02 | 1994-01-26 | 北京市心肺血管医疗研究中心 | Artificial blood vessel for medical |
| US5709335A (en) * | 1994-06-17 | 1998-01-20 | Heartport, Inc. | Surgical stapling instrument and method thereof |
| US6076529A (en) * | 1998-04-20 | 2000-06-20 | Heartstent Corporation | Transmyocardial implant with inserted vessel |
| US6406491B1 (en) * | 1999-05-04 | 2002-06-18 | Heartstent Corporation | Compliant transmyocardial implant |
| CN102048596A (en) * | 2009-11-09 | 2011-05-11 | 于存涛 | Artificial four-branch blood vessel stented elephant trunk and fixing device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106175979B (en) | 2018-01-30 |
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