CN204158359U - A kind of hard ureteroscope of additional, removable epitheca - Google Patents
A kind of hard ureteroscope of additional, removable epitheca Download PDFInfo
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- CN204158359U CN204158359U CN201420530904.0U CN201420530904U CN204158359U CN 204158359 U CN204158359 U CN 204158359U CN 201420530904 U CN201420530904 U CN 201420530904U CN 204158359 U CN204158359 U CN 204158359U
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- epitheca
- ureteroscope
- hard
- hard ureteroscope
- removable
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Abstract
A hard ureteroscope for additional, removable epitheca, belongs to technical field of medical instruments.It comprises hard ureteroscope, and hard ureteroscope is socketed outward and arranges detachable epitheca, and detachable epitheca is made up of the first epitheca body, and the first epitheca body is round tube shape structure, the first epitheca body tail end and hard ureteroscope snap-fit engagement.This utility model has following beneficial effect: synchronously insert under can realizing the direct-view of detachable epitheca, in avoiding current Flexible ureteroscope to perform the operation, and the risk inserted under the non-direct-view state of Flexible ureteroscope sheath; Can realize synchronously inserting under hard ureteroscope is looked at straight with epitheca; After rubble completes, do not need repeatedly to pass in and out ureteral lumen get stone; Rubble in art rinses by epitheca and discharges, and does not need extra calculus removing instrument; Art medium stone clearance rate can be improved to greatest extent, reduce or avoid the misery after operation in patients in rubble discharge process; The hard ureteroscope of model can coordinate the detachable epitheca of polytype, meets various different clinical demand to greatest extent.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to a kind of hard ureteroscope of additional, removable epitheca.
Background technology
Urinary system endoscope for representative, is widely used in clinical treatment with cystoscope, electric prostate-cutting mirror, ureteroscope, kidney mirror.Cystoscope and electric prostate-cutting mirror are all configured with dismountable epitheca and workpiece, and be conducive to clinician and check and treatment, what is more important avoids the damage that mirror body repeated multiple times turnover urinary system tract may bring simultaneously, reduces nearly long term complication.Hard ureteroscope is mainly used in inspection and the treatment of ureteral, is especially more used for the rubble of ureteral calculus, lithotomy.The hard ureteroscope of current various model does not all arrange epitheca, its maximum drawback be rubble after stone action need mirror body of getting repeatedly pass in and out ureteral lumen, likely bring unexpected injury of ureter, also need the calculus removing instrument by multiple pricing is high to implement lithotomy in addition, add medical treatment cost.The appearance of Flexible ureteroscope and use, expedited the emergence of the birth of Flexible ureteroscope sheath, make Flexible ureteroscope insert and operate more effectively convenient; Many need the inserting from urethra at Flexible ureteroscope sheath of Flexible ureteroscope arrives after renal pelvis, then inserts in soft lens sheath and carry out operation technique; Its maximum drawback is also that the difficult point of operation is that can Flexible ureteroscope sheath insert smoothly; Insert to adopt under non-direct-view state due to it and operate, likely bringing the damage of ureter and kidney, sometimes also needing, by completing inserting of soft lens sheath under x-ray fluoroscopy, to bring width to penetrate damage to patient and patient.In order to the success improving Flexible ureteroscope sheath is inserted, more patients adopt first aspire to inserting double J pipe in patient body in the hope of passive expansion ureteral lumen, implement Flexible ureteroscope rubble lithotomy after 2 weeks again, extend treatment time undoubtedly, add treatment misery and the treatment cost of patient.
Utility model content
For prior art Problems existing, the purpose of this utility model is to design the technical scheme of the hard ureteroscope providing a kind of additional, removable epitheca.
The hard ureteroscope of described a kind of additional, removable epitheca, comprise hard ureteroscope, it is characterized in that described hard ureteroscope is socketed outward and detachable epitheca is set, described detachable epitheca is made up of the first epitheca body, the first described epitheca body is round tube shape structure, the first described epitheca body tail end and hard ureteroscope snap-fit engagement.
The hard ureteroscope of described a kind of additional, removable epitheca, it is characterized in that the first described epitheca body comprises inner wall layer and outer wall layer, between described inner wall layer and outer wall layer, helical form arranges very thin steel wire.
The hard ureteroscope of described a kind of additional, removable epitheca, is characterized in that the first described external parietal layer surface of epitheca arranges hydrophilic coating.
The hard ureteroscope of described a kind of additional, removable epitheca, it is characterized in that the first described epitheca body tail end arranges the first connecting portion, the first described connecting portion is provided with the first L-type draw-in groove, the second card convex snap-fit engagement that the first described L-type draw-in groove and described hard ureteroscope are arranged.
The hard ureteroscope of described a kind of additional, removable epitheca, comprise hard ureteroscope, it is characterized in that described hard ureteroscope is socketed outward and detachable epitheca is set, described detachable epitheca is connected and composed by the first epitheca body and the second epitheca body split, the first described epitheca body is round tube shape structure, the second described epitheca body is circular tube shaped or half-round tubular structure, the second described epitheca body tail end and hard ureteroscope snap-fit engagement.
The hard ureteroscope of described a kind of additional, removable epitheca, it is characterized in that the first described epitheca body comprises inner wall layer and outer wall layer, between described inner wall layer and outer wall layer, helical form arranges very thin steel wire.
The hard ureteroscope of described a kind of additional, removable epitheca, is characterized in that the first described external parietal layer surface of epitheca arranges hydrophilic coating.
The hard ureteroscope of described a kind of additional, removable epitheca, is characterized in that the first described epitheca body is identical with the internal diameter of the second epitheca body, and the external diameter of the second described epitheca body is greater than the external diameter of the first epitheca body.
The hard ureteroscope of described a kind of additional, removable epitheca, it is characterized in that the first described epitheca body tail end arranges the first connecting portion, the first described connecting portion is provided with the first L-type draw-in groove, the head end increasing of the second described epitheca body slightly thickens, and described head end is arranged for the first card convex with the first connecting portion snap-fit engagement.
The hard ureteroscope of described a kind of additional, removable epitheca, it is characterized in that the second described epitheca body tail end arranges the second connecting portion, the second described connecting portion is arranged the second L-type draw-in groove, the second card convex snap-fit engagement that the second described L-type draw-in groove and described hard ureteroscope are arranged.
Compared with prior art, this utility model has following beneficial effect: 1) in Flexible ureteroscope operation, detachable epitheca can be used as Flexible ureteroscope sheath first-selection and uses, synchronously insert under can realizing the direct-view of detachable epitheca, in avoiding current Flexible ureteroscope to perform the operation, the risk inserted under the non-direct-view state of Flexible ureteroscope sheath; 2), in the hard ureteroscope rubble lithotomy of additional, removable epitheca, can realize synchronously inserting under hard ureteroscope is looked at straight with epitheca; 3) the hard ureteroscope of additional, removable epitheca does not need repeatedly to pass in and out ureteral lumen and gets stone after rubble completes; 4) rubble in art rinses by epitheca and discharges, and does not need extra calculus removing instrument; 5) art medium stone clearance rate can be improved to greatest extent, reduce or avoid the misery after operation in patients in rubble discharge process; 6) the hard ureteroscope of model can coordinate the detachable epitheca of polytype, meets various different clinical demand to greatest extent.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of detachable epitheca (I type) in this utility model;
Fig. 2 is the structural representation of hard ureteroscope in this utility model;
Fig. 3 is the structural representation that in this utility model, hard ureteroscope coordinates with detachable epitheca (I type);
Fig. 4 is the cross-sectional view of detachable epitheca (II type, type III, IV type) in this utility model;
Fig. 5 is the structural representation that in this utility model, hard ureteroscope coordinates with detachable epitheca (II type, type III, IV type);
Fig. 6 is the partial enlargement structural representation of the first L-type draw-in groove and the second L-type draw-in groove in this utility model.
In figure: 1-first epitheca body; 101-first connecting portion; 102-first L-type draw-in groove; 2-second epitheca body; 201-head end; 202-second connecting portion; 203-first card convex; 204-second L-type draw-in groove; 3-hard ureteroscope; 301-second card convex.
Detailed description of the invention
This utility model is further illustrated below in conjunction with Figure of description.
As shown in the figure, a kind of hard ureteroscope of additional, removable epitheca comprises hard ureteroscope 3 and is socketed the detachable epitheca be arranged on outside hard ureteroscope 3.Detachable epitheca adopts medical plastic manufacture for single use.Different with purposes according to Gender, detachable epitheca or be only made up of the first epitheca body 1, or connected and composed by the first sheath body 1 and the second epitheca body 2 split.First epitheca body 1 comprises inner wall layer and outer wall layer, between inner wall layer and outer wall layer, helical form arranges very thin steel wire, in order to support the cylindrical structure of its inner chamber, the first epitheca body 1 outer wall layer surface arranges hydrophilic coating, to keep the frictional force with ureter wall in its lubrication minimizing operation process.First epitheca body 1 diameter divides Fl4/F12, F12/F10 two kinds, to adapt to different operation demand.First epitheca body tail end arranges the first connecting portion 101, and the first described connecting portion 101 is provided with the first L-type draw-in groove 102.Second epitheca body 2 is the manufacture of hard monolayer plastic, and its internal diameter is identical with the first epitheca body 1 internal diameter, and external diameter is greater than the first epitheca body 1 external diameter, namely increases its pipe thickness, keeps the stable of its lumen diameter.
When detachable epitheca is connected and composed by the first sheath body 1 and the second epitheca body 2 split, the head end 201 of the second epitheca body increases and slightly thickens, and arrange for the first card convex 203 with the first connecting portion first L-type draw-in groove 102 clamping, to be socketed with the first L-type draw-in groove 102 by the first card convex 203 and to coordinate, the first epitheca body 1 and the second epitheca body 2 can be connected and fixed.Second epitheca body 2 tail end arranges second connecting portion 202, second connecting portion 202 fixing with hard ureteroscope 3 and is provided with the second L-type draw-in groove 204, and hard ureteroscope 3 is provided with the second card convex 301 coordinated with the second L-type draw-in groove 204.By the cooperation of the second card convex 301 and the second L-type draw-in groove 204, detachable epitheca and hard ureteroscope 3 can be fixed together.
When detachable epitheca is only made up of the first epitheca body 1, first epitheca body 1 tail end arranges the first connecting portion 101, first connecting portion 101 is provided with the first L-type draw-in groove 102, the second card convex 301 snap-fit engagement that first L-type draw-in groove 102 and described hard ureteroscope 3 are arranged, can dismantle the connection of epitheca and hard ureteroscope 3.
Above-mentioned first connecting portion 101 and the second connecting portion 202 external diameter, internal diameter, length, comprises L-type draw-in groove and card convex all adopts the manufacture of identical standard size.
According to the Gender different model that detachable epitheca can be divided into four kind different from purposes in actual use procedure:
1) the detachable epitheca of Flexible ureteroscope treatment proximal ureteral calculus and renal calculus use is specialized in, point men's epitheca (I type) and lady's epitheca (II type) two profiles number.
I type epitheca is only made up of the first epitheca body 1, the cylindrical structure of first epitheca body 1, its tail end overstriking thickeies formation first connecting portion 101, first connecting portion 101 and is provided with the first L-type draw-in groove 102, and hard ureteroscope 3 is provided with the second card convex 301 with the first L-type draw-in groove 102 snap-fit engagement.I type epitheca coordinate with above-mentioned hard ureteroscope can complete direct-view under insert.I type epitheca overall length 48cm, the wherein long 45cm of epitheca body, the long 3cm of the first connecting portion 101.
The detachable epitheca of II type is connected and composed by the first epitheca body 1 and the second epitheca body 2 split, and the first epitheca body 1 is round tube shape structure, and the second epitheca body 2 is half-round tubular structure.First epitheca body 1 tail end arranges and slightly thickens the first cylindrical connecting portion 101, first connecting portion 101 is provided with the first L-type draw-in groove 102, second epitheca body head end 201 increases and slightly thickens, can for being socketed with the first connecting portion 101, the second epitheca body head end 201 is provided with the first card convex 203 coordinated with the first L-type draw-in groove 102.By the cooperation of the first card convex 203 and the first L-type draw-in groove 102, the first epitheca body 1 and the second epitheca body 2 can be linked together.Second epitheca body 2 tail end overstriking thickeies formation second connecting portion 202, second connecting portion 202 and is provided with the second L-type draw-in groove 204, and hard ureteroscope 3 is provided with the second card convex 301 with the second L-type draw-in groove 204 snap-fit engagement.By the second L-type draw-in groove 204 and the second card convex 301, the second epitheca 2 can be linked together with above-mentioned hard ureteroscope 3.So, after the first epitheca body 1, second epitheca body 2 and above-mentioned hard ureteroscope 3 connect cooperation, insert under direct-view can be completed.II type epitheca overall length 48cm, wherein the first epitheca body 1 is 35cm, and the second epitheca body 2 is 7cm, and the first connecting portion 101 is 3cm, and the second connecting portion 202 is 3cm.
2) the detachable epitheca that hard ureteroscopic treatment lower ureteral calculi uses is specialized in, point men's epitheca (type III) and lady's epitheca (IV type) two profiles number
Type III and IV type epitheca are connected and composed by the first epitheca body 1 and second epitheca body 2 two parts, and its concrete structure is identical with II type epitheca.Type III epitheca overall length 48cm, wherein the first epitheca body 1 is 30cm, and the second epitheca body 2 is 12cm, and the first connecting portion 101 is 3cm, and the second connecting portion 202 is 3cm.IV type epitheca overall length 48cm, wherein the first epitheca body 1 is 20cm, and the second epitheca body 2 is 22cm, and the first connecting portion 101 is 3cm, and the second connecting portion 202 is 3cm.
In this utility model, hard ureteroscope 3 adopts the manufacture of high-quality rustless steel, for permanent.Hard ureteroscope 3 requires that its external diameter is identical with above-mentioned various detachable epitheca internal diameter, and its head end mirror body is tapered taper, and rear portion mirror body is cylindrical.Its mirror body afterbody arranges the second card convex 301 and docks with the first or second L-type draw-in groove that the first or second connecting portion of above-mentioned various detachable epitheca is arranged and coordinate.Above-mentioned hard ureteroscope 3 can coordinate with described various detachable epitheca respectively, and after both coordinate, its head end stretches out 3cm.Above-mentioned hard ureteroscope 3 tail end arranges intake-outlet and valve, service aisle, light source interface and ocular head.
Using method of the present utility model is as follows:
1) Flexible ureteroscope treatment renal calculus and proximal ureteral calculus
Anaesthetize patient successfully and get calculi position routine disinfection drape, described hard ureteroscope connects photographic head, light source and intake tunnel; Male patient selects men's epitheca (I type), described hard ureteroscope is inserted men's epitheca (I type) internal fixtion; Open water intaking valve; bladder is inserted from external orifice of urethra under direct-view; to peep and after Ipsilateral Ureteral orifice; insert zebra guide wire to Ipsilateral ureteral lumen from described hard ureteroscope service aisle, along under seal wire direct-view, described hard ureteroscope is inserted Ipsilateral renal pelvis together with epitheca with matching (I type); Retain men's epitheca (I type), exit described hard ureteroscope and seal wire, insert complete under the direct-view of I type epitheca.Use Flexible ureteroscope instead, insert Flexible ureteroscope in the I type epitheca of before inserting since then to Ipsilateral renal pelvis renal calices, complete lithotrity under Bladder stone.Female patient selects lady's epitheca (II type), after hard ureteroscope and lady's epitheca (II type) are connected, directly now inserts Ipsilateral renal pelvis by above-mentioned operating procedure, retains epitheca (II type); By the second epitheca body 2 removal of II type epitheca, in the sheath of its first epitheca body 1, insert Flexible ureteroscope complete lithotrity under Bladder stone.
2) hard ureteroscopic treatment lower ureteral calculi
Anaesthetize patient successfully and get calculi position routine disinfection drape, described ureterscopy connects photographic head, light source and intake tunnel; Male patient selects men's epitheca (type III), is inserted in type III epitheca by described ureterscopy and is connected and fixed; Open water intaking valve, bladder is inserted from external orifice of urethra under direct-view, to peep and after Ipsilateral Ureteral orifice, zebra guide wire is inserted to the defeated tube chamber of Ipsilateral from described hard ureteroscope service aisle, along under seal wire direct-view, described hard ureteroscope is inserted position, Ipsilateral ureteral lumen calculus place together with type III epitheca with matching, insert complete under the direct-view of type III epitheca.The second connecting portion 202 unclamping type III epitheca second epitheca body 2 is connected with the bayonet socket of described hard ureteroscope; by a little to external pumpback for described hard ureteroscope; the the first epitheca body unclamping type III epitheca is again connected with the bayonet socket of the second epitheca body; retain the first epitheca body of type III epitheca; removal second epitheca body; insert Bladder stone optical fiber after exiting seal wire, complete lithotrity under Bladder stone; After rubble completes, the continuation of hard ureteroscope is up crosses position, crushed stone place, and appropriateness bath makes the ureteral lumen above crushed stone keep certain pressure, and exit hard ureteroscope, crushed stone can excrete from ureteroscope sheath; Or rubble completes backed off after random ureterscopy, insert ureteral catheter and enter Ipsilateral renal pelvis in sheath, water filling is rinsed and is discharged rubble.Female patient selects lady's epitheca (IV type); after described hard ureteroscope and lady's epitheca (IV type) are connected; be incorporated into position, Ipsilateral ureteral calculus place by under above-mentioned operating procedure direct-view, retain the first epitheca body of lady's epitheca (IV type) by above-mentioned steps; By lady's epitheca (IV type) second epitheca body removal, in its first epitheca body, complete rubble calculus art under Bladder stone.
Below be only described with regard to this utility model preferred embodiment, but can not be interpreted as it is limitations on claims.This utility model is not only confined to above embodiment, and its concrete structure allows to change.All various changes done in the protection domain of this utility model independent claims are all in protection domain of the present utility model.
Claims (10)
1. the hard ureteroscope of an additional, removable epitheca, comprise hard ureteroscope (3), it is characterized in that described hard ureteroscope (3) is socketed outward and detachable epitheca is set, described detachable epitheca is made up of the first epitheca body (1), the first described epitheca body (1) is round tube shape structure, the first described epitheca body (1) tail end and hard ureteroscope (3) snap-fit engagement.
2. the hard ureteroscope of a kind of additional, removable epitheca as claimed in claim 1, it is characterized in that the first described epitheca body (1) comprises inner wall layer and outer wall layer, between described inner wall layer and outer wall layer, helical form arranges very thin steel wire.
3. the hard ureteroscope of a kind of additional, removable epitheca as claimed in claim 1, is characterized in that the first described epitheca body (1) outer wall layer surface arranges hydrophilic coating.
4. the hard ureteroscope of a kind of additional, removable epitheca as claimed in claim 1, it is characterized in that the first described epitheca body (1) tail end arranges the first connecting portion (101), described the first connecting portion (101) is provided with the first L-type draw-in groove (102), the first described L-type draw-in groove (102) second card convex (301) snap-fit engagement of arranging upper with described hard ureteroscope (3).
5. the hard ureteroscope of an additional, removable epitheca, comprise hard ureteroscope (3), it is characterized in that described hard ureteroscope (3) is socketed outward and detachable epitheca is set, described detachable epitheca is connected and composed by the first epitheca body (1) and the second epitheca body (2) split, the first described epitheca body (1) is round tube shape structure, the second described epitheca body (2) is circular tube shaped or half-round tubular structure, the second described epitheca body (2) tail end and hard ureteroscope (3) snap-fit engagement.
6. the hard ureteroscope of a kind of additional, removable epitheca as claimed in claim 5, it is characterized in that the first described epitheca body (1) comprises inner wall layer and outer wall layer, between described inner wall layer and outer wall layer, helical form arranges very thin steel wire.
7. the hard ureteroscope of a kind of additional, removable epitheca as claimed in claim 5, is characterized in that the first described epitheca body (1) outer wall layer surface arranges hydrophilic coating.
8. the hard ureteroscope of a kind of additional, removable epitheca as claimed in claim 5, it is characterized in that the first described epitheca body (1) is identical with the internal diameter of the second epitheca body (2), the external diameter of the second described epitheca body (2) is greater than the external diameter of the first epitheca body (1).
9. the hard ureteroscope of a kind of additional, removable epitheca as claimed in claim 5, it is characterized in that the first described epitheca body (1) tail end arranges the first connecting portion (101), described the first connecting portion (101) is provided with the first L-type draw-in groove (102), head end (201) increasing of the second described epitheca body (2) slightly thickens, and described head end (201) is arranged for the first card convex (203) with the first connecting portion (101) snap-fit engagement.
10. the hard ureteroscope of a kind of additional, removable epitheca as claimed in claim 5, it is characterized in that the second described epitheca body (2) tail end arranges the second connecting portion (202), described the second connecting portion (202) is arranged the second L-type draw-in groove (204), the second described L-type draw-in groove (204) second card convex (301) snap-fit engagement of arranging upper with described hard ureteroscope (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530904.0U CN204158359U (en) | 2014-09-16 | 2014-09-16 | A kind of hard ureteroscope of additional, removable epitheca |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530904.0U CN204158359U (en) | 2014-09-16 | 2014-09-16 | A kind of hard ureteroscope of additional, removable epitheca |
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| Publication Number | Publication Date |
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| CN204158359U true CN204158359U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420530904.0U Expired - Fee Related CN204158359U (en) | 2014-09-16 | 2014-09-16 | A kind of hard ureteroscope of additional, removable epitheca |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105193374A (en) * | 2015-10-20 | 2015-12-30 | 孙道冬 | Ureteroscope |
| CN108354586A (en) * | 2017-04-14 | 2018-08-03 | 深圳英美达医疗技术有限公司 | Dismountable intravascular imaging catheter and diagnostic system |
| CN109199584A (en) * | 2018-10-31 | 2019-01-15 | 成都市新都区人民医院 | A kind of method for posting of Flexible ureteroscope sheath |
| CN109846521A (en) * | 2019-02-12 | 2019-06-07 | 吴小军 | Direct-viewization ureter guide sheath |
-
2014
- 2014-09-16 CN CN201420530904.0U patent/CN204158359U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105193374A (en) * | 2015-10-20 | 2015-12-30 | 孙道冬 | Ureteroscope |
| CN108354586A (en) * | 2017-04-14 | 2018-08-03 | 深圳英美达医疗技术有限公司 | Dismountable intravascular imaging catheter and diagnostic system |
| CN109199584A (en) * | 2018-10-31 | 2019-01-15 | 成都市新都区人民医院 | A kind of method for posting of Flexible ureteroscope sheath |
| CN109846521A (en) * | 2019-02-12 | 2019-06-07 | 吴小军 | Direct-viewization ureter guide sheath |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| 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: 20150218 Termination date: 20170916 |