CN209122309U - Ureter guide sheath - Google Patents
Ureter guide sheath Download PDFInfo
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- CN209122309U CN209122309U CN201821662253.5U CN201821662253U CN209122309U CN 209122309 U CN209122309 U CN 209122309U CN 201821662253 U CN201821662253 U CN 201821662253U CN 209122309 U CN209122309 U CN 209122309U
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- sheath
- pipe
- guide sheath
- main body
- body tube
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Abstract
The utility model discloses ureter guide sheaths, ureter guide sheath includes guiding sheath 2, one end of guiding sheath 2 is connected with guide sheath main body tube 3, universal finger ring part is arranged on guide sheath main body tube 3, guide sheath main body tube 3 is fixed with far from one end of guiding sheath 2 draws sheath fixing piece, draw sheath fixing piece for limiting universal finger ring part in the position that guide sheath main body tube 3 vertically moves, draws and be connected with expander connector 10 on end face of the sheath fixing piece far from guiding sheath 2；Sheath 2 and the transparent polytetrafluoroethylene material of guide sheath main body tube 3 are guided, the movement of observation rubble is facilitated.This ureter guide sheath is by the separate design of component, then assembles, and reduces integrally formed production difficulty, is conducive to fine design.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to ureter guide sheath.
Background technique
Ureter guide sheath is used for urological department endoscopic surgery, noninvasive to establish operation path, to assist endoscope and other
Instrument enters the urinary tract.In ureter intervention operation, ureter guide sheath can be expanded before importing endoscope and other instruments
Ureter, and pass through continuity operating walk way for it.Ureter guide sheath can protect ureter in exchange of apparatus, and reduction causes
A possibility that wound.After instrument rubble, rubble can be sucked out by guide sheath negative port, while accurate device can also be protected
Tool and soft thin flexible endoscope reduce expensive maintenance cost from damage.
Existing ureter guide sheath in primary operation, uses for a long time in doctor, it is not easy to the posture of finger is adjusted,
Influence the surgical procedure of doctor.Further, existing ureter guide sheath largely uses one-piece construction, is not easy to manufacture.
Utility model content
For the deficiency in the presence of the prior art, the utility model provides ureter guide sheath, solves ureter
Guide sheath is not easy to adjust the angle problem.To achieve the above object, the utility model uses the following technical solution: ureter is led
Draw sheath, including guiding sheath, the one end for guiding sheath is connected with guide sheath main body tube, universal finger is arranged on guide sheath main body tube
Ring, guide sheath main body tube is fixed with far from one end of guiding sheath draws sheath fixing piece, draws sheath fixing piece for limiting universal finger
Ring draws and is connected with expander on end face of the sheath fixing piece far from guiding sheath and connects in the position that guide sheath main body tube vertically moves
Head；The guiding sheath is connected to the inner space of guide sheath main body tube；Expander connector is also connected with expansion hose, expands soft
Pipe sequentially passes through guide sheath main body tube and guiding sheath.
Further, the expansion hose is connected with cone expansion hose far from one end of guide sheath main body tube；Taper expands
The small end face for opening hose is more than the end face for drawing sheath.
Further, guide sheath main body tube includes straight pipe, and one end of straight pipe connects extension tube；Extension tube includes major part
End and small head end, stub end are connected with straight pipe, and the outer diameter of straight pipe is less than the maximum outside diameter of head end；It is set in the small head end
It is equipped with the pipeline for installing guiding sheath.
Further, it is also connected with negative pressure drainage interface pipe and vacuum cavitations mouthpiece on the side wall of extension tube, negative pressure is drawn
The inner space of stream interface pipe and vacuum cavitations mouthpiece is connected to the space of the extension tube；Vacuum cavitations mouthpiece includes logical
Use connector.
Further, the universal finger ring part includes pipe sleeve, and the side wall of pipe sleeve is connected with finger ring；
The pipe sleeve is sheathed on the straight pipe and size is adapted, and the length of pipe sleeve is less than the length of the straight pipe.
Further, drawing sheath fixing piece includes fixed part and the holding section with fixed part cooperation；
Fixed part includes fixing pipe, and one end of fixing pipe is connected with annular slab, and the periphery of annular slab is symmetrically arranged with protrusion；
Holding section includes the second annular slab, and the second annular slab is symmetrically arranged with fixed block on the face of fixing pipe, fixed
Block towards the second annular slab center of circle on one side on open up with the raised card slot matched, the second annular slab is far from the face of fixing pipe
It is connected with riffled tube.
Further, sealing ring is provided on the joint face between annular slab and the second annular slab.
Further, expander connector includes the male-pipe with riffled tube cooperation, and one end of male-pipe is connected with
Fixed flat pipe；Fixed flat pipe is also connected with universal joint.
Further, the universal joint includes the first fixed flat pipe, and one end of the first fixed flat pipe is connected with the
One male-pipe.
Application method are as follows: clinically the main lower per urethra that successively guides respectively by seal wire and expansion hose enters human body
The position for needing to drain or establish channel, then takes out expander and seal wire, guiding sheath is inserted into indwelling body, for performing the operation
Instrument merging.If needing rubble, rubble is discharged by guide sheath vacuum suction afterwards for instrument laser lithotripsy, and guide sheath is not singly
Ureteral calculi is used, and is also possible to establish channel, is also possible to be cut by laser tumour, is discharged by guide sheath vacuum suction.
Compared with the prior art, the utility model has the following beneficial effects:
1, it is sequentially communicated by the guiding sheath and guide sheath main body tube inner space, guides sheath and guide sheath main body
Interior space can guarantee that surgical instrument is placed in；One end of guiding sheath is connected with guide sheath main body tube, on guide sheath main body tube
It is arranged with universal finger ring part, guide sheath main body tube is fixed with far from one end of guiding sheath draws sheath fixing piece, draws sheath fixing piece use
In limiting universal finger ring part in the position that guide sheath main body tube vertically moves, such design can be by by holding guide sheath
Main body tube rotates the angle of universal finger ring part adjustment finger force, doctor is facilitated to perform the operation.
2, this ureter guide sheath is by the separate design of component, then assembles, and reduces integrally formed production difficulty, has
Conducive to fine design production.
3, the cooperation of straight pipe and pipe sleeve can be cooperated using the adjusting of size, selected suitable damping ratio, facilitated positioning
Operation.
4, it is also connected with negative pressure drainage interface pipe and vacuum cavitations mouthpiece on the side wall of the extension tube of guide sheath main body tube,
Facilitate to form the universal reversed torsion of finger ring part of rotation.
5, drawing sheath fixing piece includes fixed part and the holding section with fixed part cooperation, facilitates expansion hose and expander connector
Connection is attached with guide sheath main body, is facilitated whole Transporting and is detached guide sheath main body and guiding sheath.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the part explosive view of the utility model；
Fig. 3 is the perspective view of the explosion for drawing sheath fixing piece；
Fig. 4 is expander joint structure schematic diagram.
Specific embodiment
Scheme is described further now in conjunction with attached drawing.
Implementation column 1
As shown in Figs 1-4, ureter guide sheath, including guiding sheath 2, one end of guiding sheath 2 are connected with guide sheath master
Body pipe 3, universal finger ring part is arranged on guide sheath main body tube 3, and guide sheath main body tube 3 is fixed with far from one end of guiding sheath 2
Draw sheath fixing piece, draws sheath fixing piece for limiting universal finger ring part in the position that guide sheath main body tube 3 vertically moves, draw sheath and fix
Part is connected with expander connector 10 on the end face far from guiding sheath 2；Guiding sheath (2) and guide sheath main body tube (3)
Inner space connection；Expander connector 10 is also connected with expansion hose, and expansion hose sequentially passes through guide sheath main body tube 3 and guiding
Sheath 2.The expansion hose is connected with cone expansion hose 1 far from one end of guide sheath main body tube 3.Cone expansion hose 1 is adopted
Use medical silica-gel；Hose is expanded using PP pipe or medical silica-gel.Guide sheath 2 and the transparent polytetrafluoro of guide sheath main body tube 3
Vinyl material facilitates the movement of observation rubble.Expander connector (10) and expansion hose are integrally formed.
Guide sheath main body tube 3 includes straight pipe 12, and one end of straight pipe 12 connects extension tube 13；Extension tube 13 includes major part
End and small head end, stub end are connected with straight pipe 12, and the outer diameter of straight pipe 12 is less than the maximum outside diameter of head end；The small head end
Inside it is provided with the pipeline 15 for installing guiding sheath 2.
Negative pressure drainage interface pipe 5 and vacuum cavitations mouthpiece 4, negative pressure drainage interface are also connected on the side wall of extension tube 13
The inner space of pipe 5 and vacuum cavitations mouthpiece 4 is connected to the space of the extension tube 13；Vacuum cavitations mouthpiece 4 includes logical
Use connector.
The universal finger ring part includes pipe sleeve 7, and the side wall of pipe sleeve 7 is connected with finger ring 6；The pipe sleeve 7 is sheathed on described flat
Straight tube 12 and size is adapted, the length of pipe sleeve 7 are less than the length of the straight pipe 12.Draw sheath fixing piece include fixed part and with
The holding section of fixed part cooperation；Fixed part includes fixing pipe 8, and one end of fixing pipe 8 is connected with annular slab, the periphery pair of annular slab
Title is provided with protrusion 18；
The nozzle (14) being interference fitted with fixing pipe 8 is additionally provided in the straight pipe 12.
Holding section includes the second annular slab, and the second annular slab is symmetrically arranged with fixed block 9 on the face of fixing pipe 8, Gu
Determine block 9 towards the second annular slab center of circle on one side on open up with 18 card slot 19 that matches of protrusion, the second annular slab is far from fixed
Riffled tube 20 is connected on the face of pipe 8.
Sealing ring 11 is provided on joint face between annular slab and the second annular slab.Expander connector 10 includes and interior spiral shell
The male-pipe 21 that line pipe 20 cooperates, one end of male-pipe 21 is connected with fixed flat pipe 22；Fixed flat pipe 22 is also connected with
There is universal joint.Sealing ring 11 facilitates extruding to form sealing.
The universal joint includes the first fixed flat pipe 16, and one end of the first fixed flat pipe 16 is connected with the first outer spiral shell
Line pipe 17.
Embodiment 2
On the basis of embodiment 1, the second annular slab is symmetrically arranged with fixed block 9, fixed block on the face of fixing pipe 8
9 towards the second annular slab centers of circle on one side on open up the card slot 19 matched with raised 18；Card slot 19 is V-type, with 19 phase of card slot
Pair card slot 22 be it is rectangular, described raised 18 is rectangular so that it is convenient to which rectangular protrusion 18 is first caught in square groove 22, then
It is caught in V-shaped groove 19 again.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (10)
1. ureter guide sheath, including guiding sheath (2), which is characterized in that one end of guiding sheath (2) is connected with guide sheath master
Body pipe (3), is arranged with universal finger ring part on guide sheath main body tube (3), guide sheath main body tube (3) far from guiding sheath (2) one
End, which is fixed with, draws sheath fixing piece, draws sheath fixing piece for limiting universal finger ring part in the position that guide sheath main body tube (3) vertically moves
It sets, draws and be connected with expander connector (10) on end face of the sheath fixing piece far from guiding sheath (2)；It the guiding sheath (2) and leads
Draw the inner space connection of sheath main body tube (3)；Expander connector (10) is also connected with expansion hose, and expansion hose, which sequentially passes through, leads
Draw sheath main body tube (3) and guiding sheath (2).
2. ureter guide sheath as described in claim 1, which is characterized in that the expansion hose is far from guide sheath main body tube
(3) one end is connected with cone expansion hose (1).
3. ureter guide sheath as described in claim 1, which is characterized in that guide sheath main body tube (3) includes straight pipe (12),
One end of straight pipe (12) connects extension tube (13)；Extension tube (13) includes stub end and small head end, stub end and straight pipe
(12) it is connected, the outer diameter of straight pipe (12) is less than the maximum outside diameter of head end；It is provided in the small head end for installing guiding
The pipeline (15) of sheath (2).
4. ureter guide sheath as claimed in claim 3, which is characterized in that be also connected with negative pressure on the side wall of extension tube (13)
Drain mouthpiece (5) and vacuum cavitations mouthpiece (4), the inside sky of negative pressure drainage interface pipe (5) and vacuum cavitations mouthpiece (4)
Between be connected to the space of the extension tube (13)；Vacuum cavitations mouthpiece (4) includes universal joint.
5. ureter guide sheath as claimed in claim 3, which is characterized in that the universal finger ring part includes pipe sleeve (7), pipe sleeve
(7) side wall is connected with finger ring (6)；
The pipe sleeve (7) is sheathed on the straight pipe (12) and size is adapted, and the length of pipe sleeve (7) is less than the straight pipe
(12) length.
6. ureter guide sheath as described in claim 1, which is characterized in that drawing sheath fixing piece includes fixed part and and fixed part
The holding section of cooperation；
Fixed part includes fixing pipe (8), and one end of fixing pipe (8) is connected with annular slab, and the periphery of annular slab is symmetrically arranged with convex
It rises (18)；
Holding section includes the second annular slab, and the second annular slab is symmetrically arranged with fixed block, fixed block on the face of fixing pipe (8)
Towards the second annular slab center of circle on one side on open up with protrusion (18) card slot (19) that matches, the second annular slab is far from fixing pipe
(8) riffled tube (20) are connected on face.
7. ureter guide sheath as claimed in claim 6, which is characterized in that the joint face between annular slab and the second annular slab
On be provided with sealing ring (11).
8. ureter guide sheath as claimed in claim 6, which is characterized in that expander connector (10) includes and riffled tube
(20) male-pipe (21) cooperated, one end of male-pipe (21) is connected with fixed flat pipe (22)；Fixed flat pipe (22)
It is also connected with universal joint.
9. the ureter guide sheath as described in claim 4 or 8, which is characterized in that the universal joint includes first fixed flat
One end of straight tube (16), the first fixed flat pipe (16) is connected with the first male-pipe (17).
10. ureter guide sheath as claimed in claim 2, which is characterized in that expander connector (10) and expansion hose one
Molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662253.5U CN209122309U (en) | 2018-10-15 | 2018-10-15 | Ureter guide sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662253.5U CN209122309U (en) | 2018-10-15 | 2018-10-15 | Ureter guide sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209122309U true CN209122309U (en) | 2019-07-19 |
Family
ID=67231845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821662253.5U Active CN209122309U (en) | 2018-10-15 | 2018-10-15 | Ureter guide sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209122309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111265758A (en) * | 2020-03-26 | 2020-06-12 | 天津塞科凯尔科技有限公司 | Tear type vascular sheath |
| CN114451970A (en) * | 2021-12-24 | 2022-05-10 | 浙江医高医疗科技有限公司 | Improved ureteral sheath |
-
2018
- 2018-10-15 CN CN201821662253.5U patent/CN209122309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111265758A (en) * | 2020-03-26 | 2020-06-12 | 天津塞科凯尔科技有限公司 | Tear type vascular sheath |
| CN114451970A (en) * | 2021-12-24 | 2022-05-10 | 浙江医高医疗科技有限公司 | Improved ureteral sheath |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |