CN206910363U - A kind of ureter plugging device - Google Patents
A kind of ureter plugging device Download PDFInfo
- Publication number
- CN206910363U CN206910363U CN201621413091.2U CN201621413091U CN206910363U CN 206910363 U CN206910363 U CN 206910363U CN 201621413091 U CN201621413091 U CN 201621413091U CN 206910363 U CN206910363 U CN 206910363U
- Authority
- CN
- China
- Prior art keywords
- ureter
- plugging device
- newel
- closure element
- conduit
- 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.)
- Expired - Fee Related
Links
Landscapes
- Surgical Instruments (AREA)
- Endoscopes (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a kind of ureter plugging device, including：Closure element inserts external member, has and inserts conduit and jackscrew；Element is blocked, there is newel and the olive-shaped basket structure using the newel as axle, to be made up of some memorial alloy filaments, one end of newel is formed as with barb basket structure；And closure element extractor, its top have the lasso coordinated with the barb of newel one end.The utility model is a kind of ureter plugging device for blocking element and can taking off, can be taken off, after blocking element release, inserting conduit can withdraw from, it is not take up ureteroscope service aisle, it is easy to rubble to operate, improves calculifragous efficiency, while block element there is larger volume and elastic shrinkage scope, it is adapted to the ureter of different thicknesses, closure is completely.
Description
Technical field
It the utility model is related to medical instruments field, more particularly to a kind of ureter plugging device.
Background technology
Ureteral calculi is the chief surgical of the common disease of Urology Surgery, frequently-occurring disease, at present clinical treatment ureteral calculi
Mode is Holmium YAG laser lithotripsy under ureteroscope, anatomically ureter connection renal plevis and bladder, ureteroscope rubble of being expert at
During, the impulsive force of pressure and Bladder stone the percussion rubble rinsed due to ureter cavity, often result in less calculus and escape
To renal plevis, being shed to the calculus ureteroscope of renal plevis can not detect ease more, thus can not completely rubble in addition can not rubble and lead
Operative failure is caused, solves side of the ureteral calculi escape using the renal plevis end of ureter position where closure calculus in clinic operation
Method.
This method need to use ureter plugging device.The plugging device used in clinic operation is varied, but citation form bag
Include：The closure element of plugging device head end, linear connecting portion (connection control handle with closure element), the release of manipulation plugging device with
The handle of withdrawal (handle is connected by the metal connecting line at linearly connected portion center with closure element).
Application method of such plugging device in ureteroscope lithotrity is as follows, and ureteroscope is visited into ureter
After finding calculus, the service aisle through ureteroscope inserts the linear connecting portion of plugging device, and the head end of plugging device is placed on into knot
The renal plevis end of ureter above stone, after discharging closure element by control handle, then the service aisle through ureteroscope insert it is sharp
Light optical fiber row lasertripsy.
Such plugging device has a disadvantage that：1. after plugging device release, linear coupling part can not be withdrawn from, with
Laser fiber is used in conjunction with ureteroscope service aisle, takes ureteroscope service aisle, causes workable laser fiber straight
Footpath reduces, and produces position and the interference of action to laser fiber in rubble operation, influences rubble operation and efficiency.It is 2. this
The plugging device of type should be will be used in conjunction with ureteroscope service aisle with laser fiber, therefore the diameter of shaped connection part point will use up
May be small, cause plugging device to do especially big, when running into the situation of ureterectasia, closure is incomplete, smaller
Rubble can through escaping slot of the plugging device between ureter wall to renal plevis, block failure.
Therefore, preferably ureter plugging device should have following features：1. after plugging device release, linear coupling part can
To withdraw from, ureteroscope service aisle is not take up；2. plugging device has larger volume and elastic shrinkage scope, it is adapted to difference
The ureter of thickness, closure are complete.
Utility model content
The utility model is intended to solve current ureter plugging device and takes ureteroscope service aisle to cause workable laser
Fibre diameter reduces, and produces position and the interference of action to laser fiber in rubble operation, influences rubble operation and efficiency
Technical problem, and because shaped connection part divides diameter too small, causing to block element can not possibly do especially big, run into urine output
During the situation of enlargement of pipe, incomplete problem is blocked.
Therefore, the utility model proposes a kind of ureter plugging device, including：Closure element inserts external member, has and inserts
Conduit and jackscrew；Block element, there is newel and the olive-shaped basket structure using the newel as axle, if basket structure for by
Dry memorial alloy filament is formed, and one end of newel has barb；And closure element extractor, its top has and newel
The lasso that the barb of one end is engaged.
Preferably, a length of 3.6F in the periphery of the conduit, a length of 3F in periphery of the jackscrew.
Preferably, the maximum flexibility diameter of the basket structure of the closure element is up to 2cm.
Preferably, there is fixed barb on the filament of the basket structure.
Preferably, the other end of the newel, which has, prevents from blocking Anti-inclining tail of the element in ureter inner inclination
Portion.
Preferably, the closure element extractor is elongated rod-shaped, and its outer perimeter is less than the outer perimeter of the conduit, and it is pushed up
End is with the lasso being engaged with the barb of newel one end.
The utility model has the following advantages that：The utility model is a kind of ureter envelope for blocking element and can taking off, can be taken off
Stifled device, after closure element release, inserting conduit can withdraw from, and be not take up ureteroscope service aisle, be easy to rubble to operate, and improve broken
Stone efficiency, while block element there is larger volume and elastic shrinkage scope, it is adapted to the ureter of different thicknesses, has blocked
Entirely.
Brief description of the drawings
Fig. 1 (a) is the schematic diagram of the present utility model for inserting external member, and Fig. 1 (b) is showing for the state that jackscrew is located in conduit
It is intended to.
Fig. 2 (a) is before closure element of the present utility model is inserted or the schematic diagram of retracted state, and Fig. 2 (b) is that this practicality is new
The schematic diagram of the closure element deployed condition of type, Fig. 2 (c) are closure element A directions view.
Fig. 3 is the schematic diagram of closure element extractor of the present utility model.
Embodiment
To be better understood from spirit of the present utility model, it is made below in conjunction with part preferred embodiment of the present utility model
Further illustrate.
As shown in Figures 1 to 3, plugging device of the present utility model is inserted external member 1, closure element 2 including closure element and taken out
Device 3.Wherein, closure element insert external member 1 have insert conduit 11 and jackscrew 12.A length of 3.6F (the 1F in periphery of the conduit 11
About 0.33mm), length 70cm.The a length of 3F in periphery of jackscrew 12, length 80cm.
Closure element 2 has newel 21 and the olive-shaped basket structure 22 using the newel as axle (central shaft), basket
Structure 22 has fixed barb 24 to be made up of some memorial alloy filaments 23, on filament.The closure element 2 is flexible flexible
Performance, element 2 is blocked when initial in inserting in conduit 11 in contraction state (shown in such as Fig. 2 (a)), is entered when inserting external member 1
During the precalculated position of ureter, the closure element 2 in conduit 11 is ejected by jackscrew 12, strutted so as to block element 2 to exhibition
Open state (shown in such as Fig. 2 (b)), that is, be formed as olive-shaped basket structure, basket periphery abuts with urine output inside pipe wall.Due to filament
There is fixed barb 24, therefore, when closure element 2, which struts basket periphery, to be abutted with urine output inside pipe wall, basket 22 passes through on 23
The elastic dilatation power of fixed barb 24 and basket itself is fixed on urine output inside pipe wall.The basket structure of the closure element 2
22 maximum flexibility diameter is up to 2cm.In addition, the side of the near-end of the close center column 21 of basket structure 22 has filter membrane
26, it can prevent calculus from entering in basket.Here so-called " near-end " refers to when operating plugging device nearer from operator one
End, correspondingly, below-mentioned " distal end " refers to one end from operator farther out when operating plugging device.
One end (near-end) of closure element central cylinder 21 is formed as with barb 25.The other end of center column 21 is (remote
End) there is the Anti-inclining afterbody 27 for preventing closure element 2 in ureter inner inclination.By the afterbody 27, can prevent from blocking
Element is tilted in ureter.
Closure element extractor 3 can be formed as section cascaded extractor.The top of section cascaded extractor has lasso 31, leads to
The barb 25 for crossing lasso 31 and center column 21 coordinates to pull in insert in conduit 11 by closure element 2 and taken out.Extractor 3 is
Elongated rod-shaped, length are about 80cm, and its outer perimeter should be less than inserting the outer perimeter of conduit 11.For example, snare formula extractor is outer
Zhou Changwei 1.3F.
The ureter plugging device application method is as follows：For closure element 2 positioned at inserting in conduit 11, ureteroscope enters urine output
Guan Hou, through ureteroscope service aisle, ureter above calculus is delivered to by element 2 is blocked using conduit 11 is inserted, using jackscrew
12 are discharged into closure element 2 in ureter, withdraw from and insert conduit 11 and jackscrew 12, insert laser fiber and carry out rubble operation.
After rubble, using conduit 11 is inserted and extractor 3 is again introduced into ureter, pass through the lasso of extractor 3 and falling for closure element 2
Hook coordinates, and closure element 2, which is retracted to insert in conduit 11, makes closure element 2 be in contraction state, will be blocked by inserting conduit 11
Element 2 takes out from ureter.
Technology contents and technical characterstic of the present utility model are had revealed that as above, but those skilled in the art still may be used
A variety of replacements and modification without departing substantially from the utility model spirit can be made based on teaching of the present utility model and announcement.Therefore, originally
The protection domain of utility model should be not limited to the content disclosed in embodiment, and should be replaced including various without departing substantially from of the present utility model
Change and modify, and covered by present patent application claims.
Claims (6)
1. a kind of ureter plugging device, including：
Closure element inserts external member, has and inserts conduit and jackscrew；
Element is blocked, there is newel and the olive-shaped basket structure using the newel as axle, basket structure is by some memories
Alloy threadlet is formed, and one end of newel has barb；And
Element extractor is blocked, its top has the lasso being engaged with the barb of newel one end.
A kind of 2. ureter plugging device according to claim 1, it is characterised in that a length of 3.6F in periphery of the conduit,
The a length of 3F in periphery of the jackscrew.
3. a kind of ureter plugging device according to claim 1, it is characterised in that the basket structure of the closure element
Maximum flexibility diameter is up to 2cm.
4. a kind of ureter plugging device according to claim 1, it is characterised in that have on the filament of the basket structure
Fixed barb.
5. a kind of ureter plugging device according to claim 1, it is characterised in that the other end of the newel has anti-
Only block Anti-inclining afterbody of the element in ureter inner inclination.
6. a kind of ureter plugging device according to claim 1, it is characterised in that the closure element extractor is elongated
Shaft-like, its outer perimeter is less than the outer perimeter of the conduit, and its top has the lasso being engaged with the barb of newel one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413091.2U CN206910363U (en) | 2016-12-21 | 2016-12-21 | A kind of ureter plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413091.2U CN206910363U (en) | 2016-12-21 | 2016-12-21 | A kind of ureter plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206910363U true CN206910363U (en) | 2018-01-23 |
Family
ID=61311049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621413091.2U Expired - Fee Related CN206910363U (en) | 2016-12-21 | 2016-12-21 | A kind of ureter plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206910363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974499A (en) * | 2019-12-31 | 2020-04-10 | 孙祯 | Expandable ureteral stent |
| CN113813013A (en) * | 2021-08-25 | 2021-12-21 | 四川大学华西医院 | Urological urinary calculus stone breaking device |
-
2016
- 2016-12-21 CN CN201621413091.2U patent/CN206910363U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974499A (en) * | 2019-12-31 | 2020-04-10 | 孙祯 | Expandable ureteral stent |
| CN110974499B (en) * | 2019-12-31 | 2021-07-09 | 孙祯 | Expandable ureteral stent |
| CN113813013A (en) * | 2021-08-25 | 2021-12-21 | 四川大学华西医院 | Urological urinary calculus stone breaking device |
| CN113813013B (en) * | 2021-08-25 | 2023-11-28 | 四川大学华西医院 | Urological lithangiuria lithotripter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104095667B (en) | Overlay film basket type ureteral calculi stops extractor | |
| US2944552A (en) | Surgical instrument | |
| US4046150A (en) | Medical instrument for locating and removing occlusive objects | |
| EP3827764A3 (en) | Actuated expandable mouth thrombectomy catheter | |
| WO2007068424A3 (en) | Device for the removal of thrombi from blood vessels | |
| US20090192485A1 (en) | Snare device | |
| CN112472210A (en) | Thrombus crushing and collecting mechanism of thrombus capturing and removing catheter device | |
| CN206910363U (en) | A kind of ureter plugging device | |
| WO2003061457A3 (en) | Methods and devices for percutaneous and surgical interventions | |
| CN206275721U (en) | A kind of urological surgery device | |
| JP2002325846A5 (en) | ||
| WO2016008293A1 (en) | Urinary system stone intraluminal sleeving and removal apparatus | |
| DE60226354D1 (en) | Guidewire device for total occlusion | |
| ATE323523T1 (en) | EXTRACTION CATHETER WITH A ROLLED TIP | |
| JP2014176652A (en) | Capture tube mechanism for delivering and releasing stent | |
| WO2016008294A1 (en) | Irregularly-shaped balloon-type ureteral stone blockage extractor | |
| CN205411257U (en) | Disposable ureter calculus extraction basket | |
| CN101700422A (en) | Body cavity blocking device with compact structure | |
| CN214342506U (en) | Thrombus crushing and collecting mechanism of thrombus capturing and removing catheter device | |
| KR20070076483A (en) | Gripping tool | |
| CN206434382U (en) | Microtrauma type kidney stone stone taking device | |
| CN109009327A (en) | A kind of Urology Surgery calculus remove device | |
| CN210903224U (en) | Thrombus integral removing device | |
| CN2824849Y (en) | Distal end protector with dual wire guide | |
| CN203988237U (en) | Overlay film basket type ureter stone taking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20181221 |