CN204233215U - A kind of shutoff stone taking device - Google Patents
A kind of shutoff stone taking device Download PDFInfo
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- CN204233215U CN204233215U CN201420671496.0U CN201420671496U CN204233215U CN 204233215 U CN204233215 U CN 204233215U CN 201420671496 U CN201420671496 U CN 201420671496U CN 204233215 U CN204233215 U CN 204233215U
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- shutoff
- outer tube
- blade part
- taking device
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Abstract
The utility model discloses a kind of shutoff stone taking device, comprise outer tube, seal wire, handle, blade part, described outer tube front end is connected with the thin slice joint of blade part rear end, described outer tube back-end is connected with handle front portion, described guidewire body rear end is connected with handle rear portion through blade part, outer tube, handle front portion successively, and described seal wire flexible pipe rear end is socketed on the thin slice joint of blade part front end.A kind of shutoff stone taking device that this utility model provides, plugging part adopts high molecular polymer material and inner support silk, realization that can be good is shunk and is attached at ureter tube wall, and resistance to Stimulated Light or ultrasonic strike, thus minimizing cannot be regained in plugging device or withdrawal process ureteral damage.This apparatus structure is simple, and assembly is few, easy to operate and safe, fixing reliable, shutoff and to get stone rate all very high.
Description
Technical field
This utility model relates to a kind of shutoff stone taking device, belongs to technical field of surgical instruments.
Background technology
Lithangiuria is one of modal urological diseases, often sends out in ureter, kidney and bladder.In recent years, along with the development of Minimally Invasive Surgical Technology, adopt the method for Wicresoft treatment lithangiuria to become the mainstream technology of Current therapeutic urinary stone, wherein ureteroscope rubble, percutaneous nephroscope lithotripsy are the methods of two kinds of important minimally-invasive treatment calculus.
Ureteroscope lithotrity is the thin mirror utilizing diameter an about 3mm, inserts ureter, ureteral calculus or kidney stone are smashed taking-up through urethra, bladder.The urinary system tract that it utilizes human body natural, health does not do any otch, is a kind of pure Urology Surgery chamber mirror Minimally Invasive Surgery.Be applicable to the invalid various ureteral calculus of expectant treatment and part renal calculus.Compared with open surgery, ureteroscope lithotrity have damage little, painful light, recover the advantage such as fast.
Percutaneous nephrolithotomy (PCNL) is by skin to the passage of kidney, under kidney mirror or ureteroscope direct-view, by getting stone or rubble apparatus reaches removal calculus, removes a kind of technology and treatment means of blocking.Namely our said " burrow and get stone " method: the duck eye namely making a call to one " thin pen " thickness on waist, by the Minimal invasive procedures that calculus is taken out.Bladder stone, Pneumatic Lithotripsy, ultrasonic be at present conventional rock crushing plant, be the important component part of intracavity Urology Surgery.In nearest more than 10 years, extracorporeal shock-wave lithotripsy (ESWL) (ESWL) is progressively familiar with the damaging action of kidney, the invention of percutaneous renal puncture less invasive techniques, and the appearance of more effective laser, Pneumatic Lithotripsy, the rock crushing plant such as ultrasonic, makes PCN technology be rapidly developed.Compare with open surgery with ESWL, the advantage of PCNL is: can look at straight and lower find calculus and rubble, get stone, disposablely calculus can be smashed, all take out, operation can stop at any time, carry out by stages, can with ESWL partner treatment calculus, damage is less than open surgery and ESWL repeatedly.
The maximum problem of above-mentioned Liang Zhong Wicresoft lithotomy is the drift of calculus and fragment in rubble process.In recent years, the release of all kinds of ureter stopper such as stone extraction basket, calculus catching net-like means makes ureteral calculus drift rate greatly reduce, and calculus Ex-all rate increases.These apparatuses all can play shutoff calculus and enter kidney and get the effect of stone, but the apparatus of stone extraction basket, calculus catching net-like means and so on is made up of titanium-nickel wire, and shape is netted or caged, haul out very easily damage ureter with during urinary catheter when device; In laser or pneumatic ballistic lithotripsy process, stone extraction basket, calculus catching net-like means are all very easily damaged, and cause postoperative cannot withdrawal smoothly, even come off assembly, causes malpractice.
Utility model content
Object: in order to overcome the deficiencies in the prior art, this utility model provides a kind of shutoff stone taking device.
Technical scheme: for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of shutoff stone taking device, comprise outer tube, seal wire, handle, also comprise blade part, described blade part comprises: plugging part, thin slice joint, supporting wire, described plugging part is suppressed by two-layer polyurethane film and is formed, plugging part rear and front end is provided with thin slice joint, and described supporting wire is arranged on the edge between two-layer polyurethane film; Described outer tube comprises: macromolecule flexible pipe, wire sheathing, is provided with wire sheathing between described macromolecule hose inner wall, outer wall; Described seal wire comprises: guidewire body, seal wire flexible pipe, and described guidewire body is set to filament, and guidewire body front end fixed cover is connected to seal wire flexible pipe, and described guidewire body front end and seal wire flexible pipe all diminish gradually along most advanced and sophisticated outward direction diameter; Described handle comprises: handle is anterior, handle rear portion, and described handle front portion is flexibly connected with handle rear portion by screw thread; Described outer tube front end is connected with the thin slice joint of blade part rear end, described outer tube back-end is connected with handle front portion, described guidewire body rear end is connected with handle rear portion through blade part, outer tube, handle front portion successively, and described seal wire flexible pipe rear end is socketed on the thin slice joint of blade part front end.
Preferably, described polyurethane film is set to the elongated ellipsoidal structure in two ends, is shrunk to desirable circle for plugging part, matches with ureter tube road shape, strengthens plugging effect, reduces the generation of leaking stone situation.
Preferably, described thin polyurethane film outer surface is provided with hydrophilic superslide coating, passing calculus and arriving calculus rear, can not damage ureter wall simultaneously for facilitating blade.
Preferably, described supporting wire is set to tinsel, keeps certain intensity, be convenient to rubble to take out after plugging part can be made to shrink.
Preferably, described guidewire body outer surface is provided with superslide coating.
Preferably, described development point is arranged on inside plugging part inner support silk, is conducive to user location to apparatus in operation.
Beneficial effect: a kind of shutoff stone taking device that this utility model provides, plugging part adopts high molecular polymer material and inner support silk, realization that can be good is shunk and is attached at ureter tube wall, and resistance to Stimulated Light or ultrasonic strike, thus minimizing cannot be regained in plugging device or withdrawal process ureteral damage.Outer tube be on the basis of common macromolecule flexible pipe in the pipe wall between add the staggered enhancement layer of metal establishment, the tubing of this structure, possess the characteristic of macromolecule tubing softness, flexible distortion, there is again certain intensity simultaneously, guarantee that conduit is in intra-ureteral quick propelling, in addition, the conduit of this structure possesses good moment of torsion transitivity, guarantees when guidewire body pull, fixing of blade part near-end outer tube, being convenient to plugging part contraction becomes shutoff face.This apparatus structure is simple, and assembly is few, easy to operate and safe, fixing reliable, shutoff and to get stone rate all very high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of blade part;
Fig. 3 is the schematic cross-section of outer tube;
Fig. 4 is the structural representation of seal wire;
Fig. 5 is the structural representation of handle.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.
As shown in Figure 1, a kind of shutoff stone taking device, comprise outer tube 1, seal wire 2, handle 3, blade part 4, as shown in Figure 2, described blade part 4 comprises: plugging part 41, thin slice joint 42, supporting wire 43, development point 44, described plugging part 41 is suppressed by two-layer polyurethane film and is formed, plugging part 41 rear and front end is provided with thin slice joint 42, and described supporting wire 43 is arranged on the edge between two-layer polyurethane film, and described development point 44 is arranged on inside plugging part 4 inner support silk 43; As shown in Figure 3, described outer tube 1 comprises: macromolecule flexible pipe 11, wire sheathing 12, is provided with wire sheathing 12 between described macromolecule flexible pipe 11 inwall, outer wall; As shown in Figure 4, described seal wire 2 comprises: guidewire body 21, seal wire flexible pipe 22, described guidewire body 21 is set to filament, and guidewire body 21 front end fixed cover is connected to seal wire flexible pipe 22, and described guidewire body 21 front end and seal wire flexible pipe 22 all diminish gradually along most advanced and sophisticated outward direction diameter; As shown in Figure 5, described handle 3 comprises: handle front portion 31, handle rear portion 32, and described handle front portion 31 is flexibly connected with handle rear portion 32 by screw thread; Described outer tube 1 front end is connected with the thin slice joint 42 of blade part 4 rear end, described outer tube 1 rear end is connected with handle front portion 31, described guidewire body 21 rear end is connected with handle rear portion 32 through blade part 4, outer tube 1, handle anterior 31 successively, and described seal wire flexible pipe 22 rear end is socketed on the thin slice joint 42 of blade part 4 front end.
Concrete using method is as follows: during operation, under the guiding of seal wire front end seal wire flexible pipe, shutoff stone taking device enters body cavities, slow promotion outer tube, seal wire flexible pipe is through stone location, because blade part is very thin, there is the hydrophilic coating of superslide on surface simultaneously, therefore blade part can arrive assigned address rear by calculus smoothly, now, to outward winding handle rear portion, fixed handle is anterior on the other hand, on the other hand by handle rear portion pull seal wire, silk-guiding strip moving vane distal end reclaims, fixing by blade part edge supporting wire, the blade part reclaimed forms a rotund shutoff face, now laser lithotripsy can be carried out, during rubble, due to the existence in this shutoff face, tiny rubble cannot pass this shutoff face, effectively can play the effect of shutoff.After rubble terminates, take out shutoff stone taking device slowly, blade part moves outward along ureter wall, and rubble shifts out tract under the drive of blade part.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a shutoff stone taking device, comprise outer tube, seal wire, handle, it is characterized in that: also comprise blade part, described blade part comprises: plugging part, thin slice joint, supporting wire, described plugging part is suppressed by two-layer polyurethane film and is formed, plugging part rear and front end is provided with thin slice joint, and described supporting wire is arranged on the edge between two-layer polyurethane film; Described outer tube comprises: macromolecule flexible pipe, wire sheathing, is provided with wire sheathing between described macromolecule hose inner wall, outer wall; Described seal wire comprises: guidewire body, seal wire flexible pipe, and described guidewire body is set to filament, and guidewire body front end fixed cover is connected to seal wire flexible pipe, and described guidewire body front end and seal wire flexible pipe all diminish gradually along most advanced and sophisticated outward direction diameter; Described handle comprises: handle is anterior, handle rear portion, and described handle front portion is flexibly connected with handle rear portion by screw thread; Described outer tube front end is connected with the thin slice joint of blade part rear end, described outer tube back-end is connected with handle front portion, described guidewire body rear end is connected with handle rear portion through blade part, outer tube, handle front portion successively, and described seal wire flexible pipe rear end is socketed on the thin slice joint of blade part front end.
2. a kind of shutoff stone taking device according to claim 1, is characterized in that: described polyurethane film is set to the elongated ellipsoidal structure in two ends.
3. a kind of shutoff stone taking device according to claim 1, is characterized in that: described thin polyurethane film outer surface is provided with hydrophilic superslide coating.
4. a kind of shutoff stone taking device according to claim 1, is characterized in that: described supporting wire is set to tinsel.
5. a kind of shutoff stone taking device according to claim 1, is characterized in that: described guidewire body outer surface is provided with superslide coating.
6. a kind of shutoff stone taking device according to claim 1, is characterized in that: also comprise: development point, and described development point is arranged in plugging part to prop up and belongs to inside silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420671496.0U CN204233215U (en) | 2014-11-11 | 2014-11-11 | A kind of shutoff stone taking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420671496.0U CN204233215U (en) | 2014-11-11 | 2014-11-11 | A kind of shutoff stone taking device |
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| Publication Number | Publication Date |
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| CN204233215U true CN204233215U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420671496.0U Active CN204233215U (en) | 2014-11-11 | 2014-11-11 | A kind of shutoff stone taking device |
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| CN (1) | CN204233215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111281532A (en) * | 2016-05-18 | 2020-06-16 | 捷锐士阿希迈公司 | Apparatus for laser lithotripsy |
-
2014
- 2014-11-11 CN CN201420671496.0U patent/CN204233215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111281532A (en) * | 2016-05-18 | 2020-06-16 | 捷锐士阿希迈公司 | Apparatus for laser lithotripsy |
| CN111281532B (en) * | 2016-05-18 | 2023-06-13 | 捷锐士阿希迈公司 | Device for laser lithotripsy |
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| GR01 | Patent grant |