CN103431910A - Push type ureter calculus removing device - Google Patents
Push type ureter calculus removing device Download PDFInfo
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- CN103431910A CN103431910A CN2013104393151A CN201310439315A CN103431910A CN 103431910 A CN103431910 A CN 103431910A CN 2013104393151 A CN2013104393151 A CN 2013104393151A CN 201310439315 A CN201310439315 A CN 201310439315A CN 103431910 A CN103431910 A CN 103431910A
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Abstract
The invention relates to a push type ureter calculus removing device. The push type ureter calculus removing device comprises a lens body and an outer sheath, wherein the outer sheath is arranged at one end of the lens body, a water inlet is formed in the lens body, and a water outlet valve, an eye lens and a light source are arranged on the lens body; one end of the outer sheath is connected with a pushing assembly, the pushing assembly is composed of a retractable frame body and an elastic cylinder film sheathed outside the retractable frame body, a closing assembly is arranged at the other end of the pushing assembly, and the retractable frame body and the closing assembly are driven by virtue of a driving assembly. The push type renal calyce calculus removing device can limit a calculus in the ureter in an enclosed space, no calculus residue enters a human body while a calculus crushing operation is carried out in the enclosed space, no calculus residue is produced after operation, and no damage is caused to surrounding tissues; meanwhile, interference of calculus chips to view of an endoscope is small, influence on an operation process is small, operation efficiency and an operation result can be obviously improved, and pain and burden of a patient can be alleviated.
Description
Technical field
The present invention relates to the medical equipment technical field, be specifically related to a kind of pusher ureter stone taking device.
Background technology
Ureteral calculus is the main cause that causes kidney, hydroureter and renal colic, and after often being secondary to renal calculus or upper end ureter extracorporeal shock wave, calculus is discharged the incarceration that is obstructed and caused in ureter.Because ureter has 3 physiological stenosises, and only there is 4mm at the narrowest place, for generation and the formation of calculus has built anatomical basis.
At present, the primary treatment method of ureteral calculus has: extracorporeal shock-wave lithotomy (ESWL), ureteralithotomy is got stone and ureteroscope rubble lithotomy.Because extracorporeal shock-wave lithotomy is to carry out rubble under x-ray location, for the radioparent calculus of calcic not, develop not good, can't locate and can not go the extracorporeal shock-wave lithotomy treatment, and be directed to the calculus curative effect of surrounding tissue adhesion or incarceration very micro-.Though the extracorporeal shock-wave lithotomy noinvasive, the extracorporeal shock-wave lithotomy of repeatedly going can increase the weight of knot and be and the surrounding tissue adhesion, and has to change into the open surgery treatment.The most of ureteral stones of ureteroscopic treatment are remarkable, mainly contain pneumatic ballistic lithotripsy or laser lithotripsy etc.But existing ureteroscope, because its rubble environment directly contacts in tube chamber and with ureter wall, very likely damages ureter in the rubble process, very the person causes ureter perforation.And for mobility in ureter larger calculus, in the rubble process calculus also may by be pushed into renal pelvis or enter renal calices, and cause kidney stone, increase operating difficulty.In addition, during rubble, the calculus disintegrating slag also can affect operation efficiency to the interference of surgical field of view, extends operating time, increases operation risk.
Summary of the invention
The objective of the invention is the deficiency for solving the problems of the technologies described above, a kind of pusher ureter stone taking device is provided, intra-ureteral calculus can be placed in the space of sealing and carry out rubble, the calculus residue does not enter in body, the calculus noresidue, and, to the surrounding tissue not damaged, the interference in the calculus chip endoscope visual field is little, can significantly improve operation efficiency and effect, alleviate patient's misery and burden.
The present invention is the deficiency solved the problems of the technologies described above, and the technical scheme adopted is: a kind of pusher ureter stone taking device, comprise mirror body and epitheca, and epitheca is arranged on an end of mirror body, is provided with water inlet, outlet valve, eyepiece and light source on the mirror body;
Described epitheca is connected with propulsion assembly away from an end of mirror body, propulsion assembly is by expansion bracket and be set in the external elastic cylinder thin film of expansion bracket and form, the other end of propulsion assembly arranges closing assembly, flexible support body and closing assembly stretch by driven unit and are closed, be provided with rubble assembly and based endoscopic imaging assembly in flexible support body, described rubble assembly is holmium laser lithotripsy assembly, and the rubble assembly comprises laser fiber;
Flexible support body comprises two side arms and at least one pair of support ring, article two, side arm is X-shaped after being hinged, one end of two adjusting rods is hinged respectively at two side arms, and the other end of two adjusting rods is hinged by bearing pin, the semicircular ring that described every pair of support ring is oppositely arranged by two openings forms, two semicircular ring are separately positioned on two side arms, and on flexible support body, all support rings are arranged on phase the same side;
One end of elastic cylinder thin film is fixedly connected with epitheca, and the other end of elastic cylinder thin film is fixedly connected with a pair of support ring of flexible support body away from mirror body one end;
Described closing assembly comprises many closed bars, and an end of closed bar is provided with through hole, and closed bar is set on a pair of support ring away from mirror body one end by this through hole, and the free end of all closed bars condenses together, and closed bar is arranged with elastic film outward;
Described driven unit comprises telescopic drive unit and closed driver element;
The telescopic drive unit is comprised of drive rod I and flexible handle I, and closed driver element is comprised of drive link, driving ring, drive rod II and flexible handle II;
Described flexible handle I and flexible handle II are arranged on the lower end of mirror body, and the lower end of described mirror body also is provided with fixed handle, and flexible handle I and flexible handle II all are arranged on the mirror body by bearing pin is hinged;
Described drive rod I one end and flexible handle I are hinged, and the bearing pin of the other end and two adjusting rods is hinged;
Described every closed bar has through hole one end and all is hinged with drive link, and an end and the closed bar of drive link are hinged, and on the hinged driving ring of the other end, driving ring is connected with the flexible handle II by the drive rod II.
The intracavity of described epitheca is provided with instrument channel pipe and optical-fibre channel pipe, the laser fiber of rubble assembly is arranged in the instrument channel pipe, one end of laser fiber stretches in the cavity of flexible support body, and the based endoscopic imaging assembly is arranged in the optical-fibre channel pipe, and its objective end is arranged on the port of epitheca.
The intracavity of described epitheca also is provided with the intake tunnel pipe, and the water inlet on intake tunnel Guan Yujing body is connected, and the space in epitheca is exhalant canal, and exhalant canal is connected with the outlet valve on being arranged on the mirror body.
The free end of described closing assembly closed bar when off working state condenses together.
Described based endoscopic imaging assembly also comprises that eyepiece, light source, luminous source optical fiber and imaging return to optical fiber, eyepiece and light source are separately positioned on the mirror body, the end that optical fiber is returned in imaging is connected with eyepiece, the other end is connected with object lens through the optical-fibre channel pipe, one end of luminous source optical fiber is connected with light source, and the other end passes the optical-fibre channel pipe and extends to the end of optical-fibre channel pipe.
beneficial effect
Pusher ureter stone taking device of the present invention can be limited in intra-ureteral calculus in an enclosed space, when in this enclosed space, carrying out the rubble operation, the calculus residue can not enter in body, postoperative calculus noresidue, can not cause damage to surrounding tissue, and the interference in the calculus chip endoscope visual field is less, little for the operation process impact, operation efficiency and effect be can significantly improve, patient's misery and burden obviously alleviated.
The accompanying drawing explanation
Fig. 1 is the structural representation of the pusher ureter stone taking device of the present invention;
Fig. 2 is the structural representation of the flexible support body of the present invention;
Fig. 3 is the structural representation of closing assembly of the present invention;
Fig. 4 is the principle schematic that driven unit of the present invention drives the closing assembly action;
Fig. 5 is the structural representation I of telescopic drive of the present invention unit;
Fig. 6 is the structural representation II of telescopic drive of the present invention unit;
Fig. 7 is the structural representation I of the closed driver element of the present invention;
Fig. 8 is the structural representation II of the closed driver element of the present invention;
Labelling in figure: 1, mirror body, 2, water inlet, 3, the elastic cylinder thin film, 4, eyepiece, 5, light source, 6, flexible support body, 601, side arm, 602, support ring, 603, adjusting rod, 7, closing assembly, 701, closed bar, 801, the drive rod I, 802, flexible handle I, 803, drive link, 804, driving ring, 805, drive rod II, 806, the flexible handle II, 9, epitheca.
The specific embodiment
As shown in Figure 1: a kind of pusher ureter stone taking device, comprise mirror body 1 and epitheca 9, epitheca 9 is arranged on an end of mirror body 1, is provided with water inlet 2, outlet valve, eyepiece 4 and light source 5 on mirror body 1.Described epitheca 9 is connected with propulsion assembly away from an end of mirror body 1, propulsion assembly is comprised of flexible support body 6 and the elastic cylinder thin film 3 that are set in outside flexible support body 6, the other end of propulsion assembly arranges closing assembly 7, flexible support body 6 and closing assembly 7 stretch by driven unit and are closed, be provided with rubble assembly and based endoscopic imaging assembly in flexible support body 6, described rubble assembly is Di's laser lithotripsy assembly, and the rubble assembly comprises laser fiber;
As shown in Figure 1, 2: flexible support body 6 comprises two side arms 601 and at least one pair of support ring 602, article two, side arm 601 is X-shaped after being hinged, one end of two adjusting rods 603 is hinged respectively at two side arms 601, and the other end of two adjusting rods 603 is hinged by bearing pin, the semicircular ring that described every pair of support ring 602 is oppositely arranged by two openings forms, two semicircular ring are separately positioned on two side arms 601, and on flexible support body 6, all support rings 602 are arranged on phase the same side;
One end of elastic cylinder thin film 3 is fixedly connected with epitheca 9, and the other end of elastic cylinder thin film 3 is fixedly connected with a pair of support ring 602 of flexible support body 6 away from mirror body 1 one ends;
The intracavity of described epitheca 9 is provided with instrument channel pipe and optical-fibre channel pipe, the laser fiber of rubble assembly is arranged in the instrument channel pipe, one end of laser fiber stretches in the cavity of flexible support body 6, and the based endoscopic imaging assembly is arranged in the optical-fibre channel pipe, and its objective end is arranged on the port of epitheca 9.
The intracavity of described epitheca 9 also is provided with the intake tunnel pipe, and the water inlet 2 on intake tunnel Guan Yujing body 1 is connected, and the space in epitheca 9 is exhalant canal, and exhalant canal is connected with the outlet valve on being arranged on mirror body 1.
Described based endoscopic imaging assembly also comprises that eyepiece 4, light source 5, luminous source optical fiber and imaging return to optical fiber, eyepiece 4 and light source 5 are separately positioned on mirror body 1, the end that optical fiber is returned in imaging is connected with eyepiece 4, the other end is connected with object lens through the optical-fibre channel pipe, one end of light source 5 optical fiber is connected with light source 5, and the other end passes the optical-fibre channel pipe and extends to the end of optical-fibre channel pipe.
As shown in Figure 3: described closing assembly 7 comprises many closed bars 701, one end of closed bar 701 is provided with through hole, closed bar 701 is set on a pair of support ring 602 away from mirror body 1 one ends by this through hole, the free end of all closed bars 701 condenses together, the outer elastic film that is arranged with of closed bar 701, the free end of described closing assembly 7 closed bar 701 when off working state condenses together.
As Figure 4-8: described driven unit 8 comprises telescopic drive unit and closed driver element; The telescopic drive unit is comprised of drive rod I 801 and flexible handle I 802, and closed driver element is comprised of drive link 803, driving ring 804, drive rod II 805 and flexible handle II 806; Described flexible handle I 802 and flexible handle II 806 are arranged on the lower end of mirror body 1, and the lower end of described mirror body 1 also is provided with fixed handle 807, and flexible handle I 802 and flexible handle II 806 all are arranged on mirror body 1 by bearing pin is hinged; Described drive rod I 801 1 ends and flexible handle I 802 are hinged, and the other end is hinged with the jointed shaft that approaches most two side arms 601 of telescopic unit of mirror body 1; Described every closed bar 701 has through hole one end and all is hinged with drive link 803, and an end and the closed bar 701 of drive link 803 are hinged, and on the hinged driving ring 804 of the other end, driving ring 804 is connected with flexible handle II 806 by drive rod II 805.
During use, by getting Shi Jing, introduce in calculus patient's ureter, by image-forming assembly, make the rubble end of getting Shi Jing arrive the calculus place, because ureteral space is narrower and small, pulling flexible handle I 802 is expanded flexible support body 6, pull flexible handle II 806 makes closing assembly 7 in open state simultaneously, the closed bar 701 of closing assembly 7 is close to ureteral tube wall, promoting mirror body 1 enters in the cavity of closing assembly 7 calculus, then decontroling flexible handle II 806 makes closing assembly 7 under the effect of elastic film, opening shrinks automatically, now in the space of calculus in a sealing, by the rubble assembly, calculus can be pulverized in the rubble operating process is to carry out in this enclosed space, the calculus residue can not enter in ureter, postoperative calculus noresidue, can not cause damage to surrounding tissue, and the interference in the calculus chip endoscope visual field is less, little for the operation process impact, can significantly improve operation efficiency and effect, patient's misery and burden have obviously been alleviated.
Claims (5)
1. a pusher ureter stone taking device, comprise mirror body (1) and epitheca (9), and epitheca (9) is arranged on an end of mirror body (1), is provided with water inlet (2), outlet valve, eyepiece (4) and light source (5) on mirror body (1), it is characterized in that:
Described epitheca (9) is connected with propulsion assembly away from an end of mirror body (1), propulsion assembly is comprised of the elastic cylinder thin film (3) that stretches support body (6) and be set in outside flexible support body (6), the other end of propulsion assembly arranges closing assembly (7), flexible support body (6) and closing assembly (7) stretch by driven unit (8) and are closed, be provided with rubble assembly and based endoscopic imaging assembly in flexible support body (6), described rubble assembly is holmium laser lithotripsy assembly, and the rubble assembly comprises laser fiber;
Flexible support body (6) comprises two side arms (601) and at least one pair of support ring (602), article two, side arm (601) is X-shaped after being hinged, one end of two adjusting rods (603) is hinged respectively at two side arms (601), and the other end of two adjusting rods (603) is hinged by bearing pin, the semicircular ring that described every pair of support ring (602) is oppositely arranged by two openings forms, two semicircular ring are separately positioned on two side arms (601) above, and the upper all support rings (602) of flexible support body (6) are arranged on phase the same side;
One end of elastic cylinder thin film (3) is fixedly connected with epitheca (9), and the other end of elastic cylinder thin film (3) is fixedly connected with a pair of support ring (602) of flexible support body (6) away from mirror body (1) one end;
Described closing assembly (7) comprises many closed bars (701), one end of closed bar (701) is provided with through hole, closed bar (701) is set on a pair of support ring (602) away from mirror body (1) one end by this through hole, the free end of all closed bars (701) condenses together, the outer elastic film that is arranged with of closed bar (701);
Described driven unit (8) comprises telescopic drive unit and closed driver element;
The telescopic drive unit is comprised of drive rod I (801) and flexible handle I (802), and closed driver element is comprised of drive link (803), driving ring (804), drive rod II (805) and flexible handle II (806);
Described flexible handle I (802) and flexible handle II (806) are arranged on the lower end of mirror body (1), the lower end of described mirror body (1) also is provided with fixed handle (807), and flexible handle I (802) and flexible handle II (806) all are arranged on mirror body (1) by bearing pin is hinged;
Described drive rod I (801) one ends and flexible handle I (802) are hinged, and the bearing pin of the other end and two adjusting rods (603) is hinged;
Described every closed bar (701) has through hole one end and all is hinged with drive link (803), one end of drive link (803) and closed bar (701) are hinged, the hinged driving ring of the other end (804) is upper, and driving ring (804) is connected with flexible handle II (806) by drive rod II (805).
2. a kind of pusher ureter stone taking device as claimed in claim 1, it is characterized in that: the intracavity of described epitheca (9) is provided with instrument channel pipe and optical-fibre channel pipe, the laser fiber of rubble assembly is arranged in the instrument channel pipe, one end of laser fiber stretches in the cavity of flexible support body (6), the based endoscopic imaging assembly is arranged in the optical-fibre channel pipe, and its objective end is arranged on the port of epitheca (9).
3. a kind of pusher ureter stone taking device as claimed in claim 1, it is characterized in that: the intracavity of described epitheca (9) also is provided with the intake tunnel pipe, water inlet (2) on intake tunnel Guan Yujing body (1) is connected, space in epitheca (9) is exhalant canal, and exhalant canal is connected with the outlet valve on being arranged on mirror body (1).
4. a kind of pusher ureter stone taking device as claimed in claim 1 is characterized in that: the free end of described closing assembly (7) closed bar (701) when off working state condenses together.
5. a kind of pusher ureter stone taking device as claimed in claim 2, it is characterized in that: described based endoscopic imaging assembly also comprises that eyepiece (4), light source (5), luminous source optical fiber and imaging return to optical fiber, eyepiece (4) and light source (5) are separately positioned on mirror body (1), the end that optical fiber is returned in imaging is connected with eyepiece (4), the other end is connected with object lens through the optical-fibre channel pipe, one end of luminous source optical fiber is connected with light source (5), and the other end passes the optical-fibre channel pipe and extends to the end of optical-fibre channel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439315.1A CN103431910B (en) | 2013-09-25 | 2013-09-25 | Push type ureter calculus removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439315.1A CN103431910B (en) | 2013-09-25 | 2013-09-25 | Push type ureter calculus removing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103431910A true CN103431910A (en) | 2013-12-11 |
| CN103431910B CN103431910B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310439315.1A Expired - Fee Related CN103431910B (en) | 2013-09-25 | 2013-09-25 | Push type ureter calculus removing device |
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| CN (1) | CN103431910B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114533262A (en) * | 2021-12-23 | 2022-05-27 | 中山大学孙逸仙纪念医院 | Negative pressure optical fiber fixing suction tube connected with ureteroscope |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3633527A1 (en) * | 1986-10-02 | 1988-04-14 | Juergen Hochberger | Instruments for crushing concrements in hollow organs |
| US6319262B1 (en) * | 1996-04-30 | 2001-11-20 | Boston Scientific Corporation | Calculus removal |
| US20040215212A1 (en) * | 2003-04-24 | 2004-10-28 | Teague James A. | Retractable grasper |
| CN101495023A (en) * | 2006-07-26 | 2009-07-29 | 航生医疗公司 | Systems for performing minimally invasive surgical operations |
| US20100204711A1 (en) * | 2002-10-18 | 2010-08-12 | Boston Scientific Scimed, Inc. | Medical retrieval device |
| CN202568449U (en) * | 2012-04-05 | 2012-12-05 | 杭州桐庐尖端内窥镜有限公司 | Crushing forceps for percutaneous nephroscope set |
| CN103070716A (en) * | 2013-01-17 | 2013-05-01 | 河南科技大学 | Operational separating forceps for matching ureter |
| CN203576635U (en) * | 2013-09-25 | 2014-05-07 | 河南科技大学 | Push type ureter calculus removing device |
-
2013
- 2013-09-25 CN CN201310439315.1A patent/CN103431910B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3633527A1 (en) * | 1986-10-02 | 1988-04-14 | Juergen Hochberger | Instruments for crushing concrements in hollow organs |
| US6319262B1 (en) * | 1996-04-30 | 2001-11-20 | Boston Scientific Corporation | Calculus removal |
| US20100204711A1 (en) * | 2002-10-18 | 2010-08-12 | Boston Scientific Scimed, Inc. | Medical retrieval device |
| US20040215212A1 (en) * | 2003-04-24 | 2004-10-28 | Teague James A. | Retractable grasper |
| CN101495023A (en) * | 2006-07-26 | 2009-07-29 | 航生医疗公司 | Systems for performing minimally invasive surgical operations |
| CN202568449U (en) * | 2012-04-05 | 2012-12-05 | 杭州桐庐尖端内窥镜有限公司 | Crushing forceps for percutaneous nephroscope set |
| CN103070716A (en) * | 2013-01-17 | 2013-05-01 | 河南科技大学 | Operational separating forceps for matching ureter |
| CN203576635U (en) * | 2013-09-25 | 2014-05-07 | 河南科技大学 | Push type ureter calculus removing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114533262A (en) * | 2021-12-23 | 2022-05-27 | 中山大学孙逸仙纪念医院 | Negative pressure optical fiber fixing suction tube connected with ureteroscope |
| CN114533262B (en) * | 2021-12-23 | 2023-10-20 | 中山大学孙逸仙纪念医院 | Negative pressure optical fiber fixing suction tube connected with ureteroscope |
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| CN103431910B (en) | 2015-03-25 |
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