CN103431910B - Push type ureter calculus removing device - Google Patents
Push type ureter calculus removing device Download PDFInfo
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- CN103431910B CN103431910B CN201310439315.1A CN201310439315A CN103431910B CN 103431910 B CN103431910 B CN 103431910B CN 201310439315 A CN201310439315 A CN 201310439315A CN 103431910 B CN103431910 B CN 103431910B
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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 medical equipment technical field, be specifically related to a kind of pusher ureter stone taking device.
Background technology
Ureteral calculi is the main cause causing kidney, hydroureter and renal colic, and after being often secondary to kidney stone 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 the generation of calculus and formation construct anatomical basis.
At present, the primary treatments of ureteral calculi has: extracorporeal shock-wave lithotomy (ESWL), urethral smooth muscle and ureteroscope rubble stone-extraction operation.Because extracorporeal shock-wave lithotomy carries out rubble under x-ray location, the radioparent calculus development for not calcic is not good, cannot locate and can not the treatment of row extracorporeal shock-wave lithotomy, and is directed to the calculus curative effect of surrounding tissue adhesion or incarceration very micro-.Though extracorporeal shock-wave lithotomy is without wound, row extracorporeal shock-wave lithotomy then can increase the weight of knot and is and surrounding tissue adhesion repeatedly, and has to change open surgery treatment into.The most of ureteral stones of ureteroscopic treatment is remarkable, mainly contains pneumatic ballistic lithotripsy or laser lithotripsy etc.But existing ureteroscope directly contacts with ureter wall in tube chamber due to its rubble environment, very likely damages ureter, notably cause ureter perforation in rubble process.And for the larger calculus of mobility in ureter, calculus also may be pushed to renal plevis or enter kidney calices in rubble process, and causes kidney stone, increase operating difficulty.In addition, during rubble, calculus disintegrating slag also can affect procedure efficiency to the interference of surgical field of view, extends operating time, increases operation risk.
Summary of the invention
The object 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 closed space and carry out rubble, calculus residue does not enter in body, calculus noresidue, and to surrounding tissue not damaged, the interference in the calculus chip endoscope visual field is little, procedure efficiency and effect can be significantly improved, alleviate misery and the burden of patient.
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, and comprise mirror body and epitheca, epitheca is arranged on one end of mirror body, mirror body is provided with water inlet, outlet valve, eyepiece and light source;
Described epitheca is connected with propulsion assembly away from one end of mirror body, propulsion assembly is made up of expansion bracket and the elastic cylinder film being set in expansion bracket external, the other end of propulsion assembly arranges closing assembly, flexible support body and closing assembly are undertaken stretching and closing by driven unit, rubble assembly and based endoscopic imaging assembly is provided with in flexible support body, described rubble assembly is Ho.YAG laser lithotripsy assembly, and 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 by hinge together, the semicircular ring that described often 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 film is fixedly connected with epitheca, and the other end of elastic cylinder film is fixedly connected with a pair support ring of flexible support body away from mirror body one end;
Described closing assembly comprises many closed bars, and one end of closed bar is provided with through hole, and closed bar is set on a pair support ring away from mirror body one end by this through hole, and the free-radial copolymering of all closed bars together, is arranged with elastic film outside closed bar;
Described driven unit comprises telescopic drive unit and closed driver element;
Telescopic drive unit is made up of drive rod I and flexible handle I, and closed driver element is made up 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 is also provided with fixed handle, and flexible handle I and flexible handle II are all arranged on mirror body by hinge;
Described drive rod I one end and flexible handle I hinged, the bearing pin of the other end and two adjusting rods is hinged;
Described every root closes bar to be had through hole one end and is all hinged with drive link, and one 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 flexible handle II by drive rod II.
Instrument channel pipe and optical-fibre channel pipe is provided with in the chamber of described epitheca, the laser fiber of rubble assembly is arranged in instrument channel pipe, one end of laser fiber is stretched in the cavity of flexible support body, and based endoscopic imaging assembly is arranged in optical-fibre channel pipe, and its objective end is arranged on the port of epitheca.
Also be provided with intake tunnel pipe in the chamber of described epitheca, 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 be arranged on mirror body.
Described closing assembly closes the free-radial copolymering of bar together when off working state.
Described based endoscopic imaging assembly also comprises eyepiece, light source, luminous source optical fiber and imaging and returns optical fiber, eyepiece and light source are separately positioned on mirror body, one end that imaging returns optical fiber is connected with eyepiece, the other end is connected with object lens through optical-fibre channel pipe, one end of luminous source optical fiber is connected with light source, and the other end passes optical-fibre channel pipe and extends to the end of optical-fibre channel pipe.
beneficial effect
Intra-ureteral calculus can be limited in an enclosure space by pusher ureter stone taking device of the present invention, when carrying out rubble operation in this enclosure space, 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 surgical procedure impact, procedure efficiency and effect can be significantly improved, obviously alleviate misery and the burden of patient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pusher ureter stone taking device of the present invention;
Fig. 2 is that the present invention stretches the structural representation of support body;
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 closing assembly action;
Fig. 5 is the structural representation I of telescopic drive unit of the present invention;
Fig. 6 is the structural representation II of telescopic drive unit of the present invention;
Fig. 7 is the structural representation I that the present invention closes driver element;
Fig. 8 is the structural representation II that the present invention closes driver element;
Mark in figure: 1, mirror body, 2, water inlet, 3, elastic cylinder 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, drive rod I, 802, flexible handle I, 803, drive link, 804, driving ring, 805, drive rod II, 806, flexible handle II, 9, epitheca.
Detailed description of the invention
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 one end of mirror body 1, mirror body 1 is provided with water inlet 2, outlet valve, eyepiece 4 and light source 5.Described epitheca 9 is connected with propulsion assembly away from one end of mirror body 1, propulsion assembly is made up of with the elastic cylinder film 3 be set in outside flexible support body 6 support body 6 that stretches, the other end of propulsion assembly arranges closing assembly 7, flexible support body 6 and closing assembly 7 are undertaken stretching and closing by driven unit, rubble assembly and based endoscopic imaging assembly is provided with in flexible support body 6, described rubble assembly is Di's laser lithotripsy assembly, and 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 by hinge together, the semicircular ring that described often 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 film 3 is fixedly connected with epitheca 9, and the other end of elastic cylinder film 3 is fixedly connected with a pair support ring 602 of flexible support body 6 away from mirror body 1 one end;
Instrument channel pipe and optical-fibre channel pipe is provided with in the chamber of described epitheca 9, the laser fiber of rubble assembly is arranged in instrument channel pipe, one end of laser fiber is stretched in the cavity of flexible support body 6, and based endoscopic imaging assembly is arranged in optical-fibre channel pipe, and its objective end is arranged on the port of epitheca 9.
Also be provided with intake tunnel pipe in the chamber of described epitheca 9, 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 be arranged on mirror body 1.
Described based endoscopic imaging assembly also comprises eyepiece 4, light source 5, luminous source optical fiber and imaging and returns optical fiber, eyepiece 4 and light source 5 are separately positioned on mirror body 1, one end that imaging returns optical fiber is connected with eyepiece 4, the other end is connected with object lens through optical-fibre channel pipe, one end of light source 5 optical fiber is connected with light source 5, and the other end passes 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 support ring 602 away from mirror body 1 one end by this through hole, the free-radial copolymering of all closed bars 701 together, be arranged with elastic film outside closed bar 701, described closing assembly 7 closes the free-radial copolymering of bar 701 together when off working state.
As Figure 4-8: described driven unit 8 comprises telescopic drive unit and closed driver element; Telescopic drive unit is made up of drive rod I 801 and flexible handle I 802, and closed driver element is made up 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 is also provided with fixed handle 807, and flexible handle I 802 and flexible handle II 806 are all arranged on mirror body 1 by hinge; Described drive rod I 801 one end and flexible handle I 802 hinged, the other end is hinged with closest to the jointed shaft of telescopic unit two side arms 601 of mirror body 1; Described every root closes bar 701 to be had through hole one end and is all hinged with drive link 803, and one 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, introduce in the ureter of calculus patient by getting Shi Jing, the rubble end getting Shi Jing is made to arrive calculus place by image-forming assembly, because ureteral space is narrower and small, pulling flexible handle I 802 makes flexible support body 6 expand, pull flexible handle II 806 makes closing assembly 7 be in open state simultaneously, ureteral tube wall is close to by the closed bar 701 of closing assembly 7, promoting mirror body 1 makes calculus enter in the cavity of closing assembly 7, then decontroling flexible handle II 806 makes closing assembly 7 under the effect of elastic film, opening shrinks automatically, now calculus is in a closed space, calculus can be pulverized in rubble operating process by rubble assembly is carry out in this enclosure space, calculus residue can not enter in ureter, postoperative calculus noresidue, damage can not be caused to surrounding tissue, and the interference in the calculus chip endoscope visual field is less, little for surgical procedure impact, procedure efficiency and effect can be significantly improved, obviously alleviate misery and the burden of patient.
Claims (3)
1. a pusher ureter stone taking device, comprise mirror body (1) and epitheca (9), epitheca (9) is arranged on one end of mirror body (1), mirror body (1) is provided with water inlet (2), outlet valve, eyepiece (4) and light source (5), it is characterized in that:
Described epitheca (9) is connected with propulsion assembly away from one end of mirror body (1), propulsion assembly is by the support body that stretches (6) and be set in flexible support body (6) elastic cylinder film (3) outward and form, one end of propulsion assembly arranges closing assembly (7), flexible support body (6) and closing assembly (7) are undertaken stretching and closing by driven unit (8), rubble assembly and based endoscopic imaging assembly is provided with in flexible support body (6), described rubble assembly is Ho.YAG laser lithotripsy assembly, and 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 with two side arms (601) respectively, and the other end of two adjusting rods (603) by hinge together, the semicircular ring that described often pair of support ring (602) is oppositely arranged by two openings forms, two semicircular ring are separately positioned on two side arms (601), and the upper all support rings (602) of flexible support body (6) are arranged on phase the same side;
One end of elastic cylinder film (3) is fixedly connected with epitheca (9), and the other end of elastic cylinder film (3) is fixedly connected with a pair 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 support ring (602) away from mirror body (1) one end by this through hole, the free-radial copolymering of all closed bars (701) together, is arranged with elastic film outside closed bar (701);
Described driven unit (8) comprises telescopic drive unit and closed driver element;
Telescopic drive unit is made up of drive rod I (801) and flexible handle I (802), and closed driver element is made up 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) is also provided with fixed handle (807), and flexible handle I (802) and flexible handle II (806) are all arranged on mirror body (1) by hinge;
Described drive rod I (801) one end and flexible handle I (802) hinged, the bearing pin of the other end and two adjusting rods (603) is hinged;
Described every root closes bar (701) to be had through hole one end and is all hinged with drive link (803), one end and the closed bar (701) of drive link (803) are hinged, on the hinged driving ring of the other end (804), driving ring (804) is connected with flexible handle II (806) by drive rod II (805);
Instrument channel pipe and optical-fibre channel pipe is provided with in the chamber of described epitheca (9), the laser fiber of rubble assembly is arranged in instrument channel pipe, one end of laser fiber is stretched in the cavity of flexible support body (6), based endoscopic imaging assembly is arranged in optical-fibre channel pipe, and the objective end of based endoscopic imaging assembly is arranged on the port of epitheca (9);
Also be provided with intake tunnel pipe in the chamber of described epitheca (9), 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 be arranged on mirror body (1).
2. a kind of pusher ureter stone taking device as claimed in claim 1, is characterized in that: described closing assembly (7) closes the free-radial copolymering of bar (701) together when off working state.
3. a kind of pusher ureter stone taking device as claimed in claim 1, it is characterized in that: described based endoscopic imaging assembly also comprises eyepiece (4), light source (5), luminous source optical fiber and imaging and returns optical fiber, eyepiece (4) and light source (5) are separately positioned on mirror body (1), one end that imaging returns optical fiber is connected with eyepiece (4), the other end is connected with object lens through optical-fibre channel pipe, one end of luminous source optical fiber is connected with light source (5), and the other end passes 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 CN103431910A (en) | 2013-12-11 |
| CN103431910B true CN103431910B (en) | 2015-03-25 |
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Family Applications (1)
| 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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| Country | Link |
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| CN (1) | CN103431910B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (6)
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7211089B2 (en) * | 2002-10-18 | 2007-05-01 | Scimed Life Systems, Inc. | Medical retrieval device |
| US7322989B2 (en) * | 2003-04-24 | 2008-01-29 | Boston Scientific Scimed, Inc. | Retractable grasper |
-
2013
- 2013-09-25 CN CN201310439315.1A patent/CN103431910B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| 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 |
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| Publication number | Publication date |
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| CN103431910A (en) | 2013-12-11 |
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