CN205612547U - Can dismantle telescopic flexible ureteroscope sheath - Google Patents
Can dismantle telescopic flexible ureteroscope sheath Download PDFInfo
- Publication number
- CN205612547U CN205612547U CN201620222519.9U CN201620222519U CN205612547U CN 205612547 U CN205612547 U CN 205612547U CN 201620222519 U CN201620222519 U CN 201620222519U CN 205612547 U CN205612547 U CN 205612547U
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- Prior art keywords
- sheath pipe
- sheath
- flexible ureteroscope
- fastening
- snap close
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Links
- 230000000694 effects Effects 0.000 claims abstract description 4
- 241000283070 Equus zebra Species 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 11
- 239000004575 stone Substances 0.000 abstract description 7
- 210000000244 kidney pelvis Anatomy 0.000 description 7
- 241000283216 Phocidae Species 0.000 description 6
- 210000000626 ureter Anatomy 0.000 description 5
- 210000003708 urethra Anatomy 0.000 description 5
- 239000012634 fragment Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 208000000913 Kidney Calculi Diseases 0.000 description 2
- 206010029148 Nephrolithiasis Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002485 urinary effect Effects 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 208000031868 Calculus ureteric Diseases 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 208000000014 Ureteral Calculi Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model belongs to the field of medical equipment, concretely relates to can dismantle telescopic flexible ureteroscope sheath. It includes afterbody, sheath pipe portion and inner core, and the afterbody includes swing joint's fastening hasp connecting portion and vacuum aspiration portion, and sheath pipe portion is two sections segment structures, and including anterior segment sheath pipe and the back end sheath pipe that cup joints, the afterbody links together through the locking of fastening hasp connecting portion and back end sheath pipe with sheath pipe portion, and the inner core can be pegged graft in fastening hasp connecting portion and sheath pipe portion. The utility model discloses can realize under the flexible ureteroscope sheath scope directly putting into at present, reduce the operation degree of difficulty, guarantee operation safety, improve first phase operation success rate and instant clear stone effect, but furthest satisfies operation staff demand in to the art of different sheath pipe range degree, facilitates for operation technique.
Description
Technical field
This utility model belongs to medical instruments field, is specifically related to a kind of detachable telescopic Flexible ureteroscope sheath.
Background technology
At present, Flexible ureteroscope sheath (also known as Flexible ureteroscope conveying sheath) is widely used in Flexible ureteroscope Ho.YAG laser lithotripsy
Art treatment proximal ureteral calculus and renal calculus, be one of most important assistive device in Flexible ureteroscope Holmium YAG laser lithotripsy.
Although Flexible ureteroscope sheath manufacturer is numerous, owing to its design defect, structure are single, it is impossible to meet the clinical need that situation is changeable
Ask.It mainly shows themselves in that
1) direct view under endoscope completes Flexible ureteroscope sheath and inserts, the most safer, have higher success rate.The most all such produces
Product active length immutable (men's type 450mm, lady's type 350mm), ureterscopy active length is 430mm, and both can not
With the use of, the requirement inserted under direct-view can not be reached;Be both needed in art along seal wire with patient's feel and experience blind depending under insert or X
Insert under x ray fluoroscopy x, so may cause accidental injury;Also one-stage operation lithotripsy in treatment can be abandoned because inserting difficulty.
2) existing product afterbody and sheath pipe portion all use non-removable fixing connection and the sheath pipe portion active length can not
Becoming, when Flexible ureteroscope sheath can not be fully recessed into renal pelvis, external exposed portion can be caused oversize, soft lens length is the most too short,
Although Flexible ureteroscope head end can enter Ipsilateral ureteral lumen, but can not enter renal pelvis renal calices, it is impossible to completes the broken of renal calculus
Stone is treated.If above-mentioned situation occurs with male patient, it is complete that patient may use relatively short lady's Flexible ureteroscope sheath instead
Become operation, and then increase operation cost.Or patient use wipe out the external tail end exposing too much Flexible ureteroscope sheath together with
Part sheath pipe, and then complete Ho.YAG laser lithotripsy under Flexible ureteroscope, but destructiveness wipes out the Flexible ureteroscope sheath after tail end, its tail
End has exposed very thin steel wire and caliber too thin, brings inconvenience to operation in art.
3) the removing calculus function after existing product does not possess rubble, generally requires calculus catching net-like means and repeatedly extracts calculus, efficiency
Low and cost is high.
Utility model content
In order to make up the deficiencies in the prior art, a kind of rear removable of this utility model offer, sheath pipe are scalable, Neng Gouyu
Existing ureterscopy coordinates, realizes the technical scheme of the Flexible ureteroscope sheath that direct view under endoscope is inserted.
The detachable telescopic Flexible ureteroscope sheath of described one, it is characterised in that include afterbody, sheath pipe portion and inner core,
Described afterbody includes fastening snap close shape connecting portion and the vacuum suction portion being flexibly connected, and described sheath pipe portion is two segment knot
Structure, including leading portion sheath pipe and the back segment sheath pipe of socket, described afterbody and sheath pipe portion are by fastening snap close shape connecting portion and back segment
The locking of sheath pipe and link together, described inner core can be plugged in fastening snap close shape connecting portion and sheath pipe portion.
The detachable telescopic Flexible ureteroscope sheath of described one, it is characterised in that be individually provided with in described sheath pipe portion
The closure stopper of ureterscopy and space, sheath pipe size portion can be eliminated.
The detachable telescopic Flexible ureteroscope sheath of described one, it is characterised in that described fastening snap close shape connecting portion
Threaded with vacuum suction portion.
The detachable telescopic Flexible ureteroscope sheath of described one, it is characterised in that before described back segment sheath pipe box is connected on
On the outer wall of section sheath pipe, described back segment sheath pipe is symmetrical arranged two to inner chamber depression on the tube wall of leading portion sheath pipe one end
Horizontal recessed mark, arranges a recessed mark of longitudinal direction to inner chamber depression in the middle part of described back segment sheath pipe.
The detachable telescopic Flexible ureteroscope sheath of described one, it is characterised in that described fastening snap close shape connecting portion
First half arranges axial clearance, and described two edges, axial clearance are oppositely arranged the fastening lug of a pair band ear hole, and described is tight
Fixing bolt connects fastening nut through fastening lug, described fastening bolt one end, and the other end connects fastening snap close.
The detachable telescopic Flexible ureteroscope sheath of described one, it is characterised in that described vacuum suction portion is by being responsible for
One-body molded with side pipe, described supervisor and side pipe angle are 15 °~45 °, when described side pipe wall has been provided with vacuum suction
The circular hole of regulation pressure effect.
The detachable telescopic Flexible ureteroscope sheath of described one, it is characterised in that described inner core tail end is by arranging
Ear fixation hook with fastening snap close connecting portion tail end fix, described inner core head end opening is circular hole, in described inner core
The heart is arranged can pass through zebra guide wire or the passage of Misgurni anguillicaudati seal wire.
The detachable telescopic Flexible ureteroscope sheath of described one, it is characterised in that described leading portion sheath pipe is near back segment
One end of sheath pipe is horn mouth, and described leading portion sheath pipe is connected and fixed by the horizontal recessed mark of horn mouth with back segment sheath pipe.
The detachable telescopic Flexible ureteroscope sheath of described one, it is characterised in that described supervisor's tail end and side pipe tail
End is equipped with anticreep projection, and in the anticreep projection of described supervisor, clamping seals cap, and described sealing cap is provided with leads for ureter
The aperture that pipe passes through.
The beneficial effects of the utility model are: afterbody and sheath pipe portion are structurally used split to set by (1) this utility model
Meter, after afterbody removal, can coordinate telescopic sheath pipe portion with ureterscopy and closure stopper as individual components, it is achieved
Flexible ureteroscope sheath direct view under endoscope is inserted, and reduces operating difficulty, improves safety and one-stage operation success rate, it is therefore possible to
Make direct view under endoscope insert Flexible ureteroscope sheath and become the revolutionary method of main flow.(2) rear removable assembling, sheath length of tube
Can shorten extending, thus patient can be met to greatest extent to demand in the art of different length sheath pipe, operate offer just to patient
Profit, is particularly suited for the patient that sheath pipe can only partly be inserted.(3) this utility model retains core designs, still can realize (protecting
Stay) the blind using method depending on inserting of existing (traditional) Flexible ureteroscope sheath.(4) this utility model is additional arranges vacuum suction portion,
When calculus fragment is more, vacuum suction or suction can be completed, reach to remove the purpose of calculus fragment.
Accompanying drawing explanation
Fig. 1 is the structural representation one of this utility model fastening snap close shape connecting portion;
Fig. 2 is the structural representation two of this utility model fastening snap close shape connecting portion;
Fig. 3 is the structural representation three of this utility model fastening snap close shape connecting portion;
Fig. 4 is the sectional view in this utility model vacuum suction portion;
Fig. 5 is the structural representation in this utility model sheath pipe portion;
Fig. 6 is the structural representation of the leading portion sheath pipe in this utility model sheath pipe portion;
Fig. 7 is the structural representation of this utility model inner core;
Fig. 8 is the structural representation that this utility model seals cap;
Fig. 9 is the structural representation of this utility model closure stopper;
Figure 10 is this utility model fastening snap close shape connecting portion, vacuum suction portion and sheath pipe portion mated condition figure;
Figure 11 is this utility model fastening snap close shape connecting portion, sheath pipe portion and inner core mated condition figure.
In figure: 1-afterbody;11-fastens snap close shape connecting portion;111-lateral clearance;112-axial clearance;113-fastening is prominent
Ear;114-fastening bolt;115-fastening nut;116-fastens snap close;117-U type breach;118-keyhole;119-external screw thread;12-
Vacuum suction portion;121-is responsible for;1211-female thread;122-side pipe;1221-circular hole;2-sheath pipe portion;21-leading portion sheath pipe;211-
Horn mouth;22-back segment sheath pipe;The horizontal recessed mark of 221-;222-longitudinally recessed mark;3-inner core;31-ear fixation hook;4-seals cap;
41-aperture;5-blocks stopper.
Detailed description of the invention
This utility model is further illustrated below in conjunction with Figure of description.
Flexible ureteroscope conveying sheath is divided into F12/F10, Fl4/F12, F16/F14, the most frequently used model according to caliber difference
For F14/F12.This utility model is unisex type.As a example by Fl4/F12-450mm type, this practicality is described below in conjunction with the accompanying drawings
Novel specific embodiments.
This utility model is by afterbody 1, sheath pipe portion 2,3 three critical pieces of inner core and seals cap 4,5 two, stopper of closure
Adnexa is constituted.
As shown in Figure 1 to Figure 3, afterbody 1 is made up of fastening snap close shape connecting portion 11 and 12 two, vacuum suction portion parts.Tightly
Gu its outward appearance of snap close shape connecting portion 11 is substantially in cylindrical tube, long 20mm, its external diameter 12mm, internal diameter and sheath pipe portion 2 afterbody external diameter
Quite, sheath pipe portion 2 can be allowed just to insert its inner chamber.Fastening snap close shape connecting portion 11 center arranges semicircle lateral clearance 111,
The wide 5mm of lateral clearance 111, is classified as first half and latter half of two parts.Perpendicular with lateral clearance 111 in first half setting
Axial clearance 112, the wide 5mm in axial clearance 112.Two edges, axial clearance 112 are oppositely arranged two fastening lugs 113, two fastenings
Lug 113 is as a part and its body normal fastening snap close shape connecting portion 11;Two fastening lug 113 spacing 5mm;Two fastenings
Earhole, earhole diameter 8mm are set in the middle part of lug 113, diameter 6mm fastening bolt 114 can be allowed to pass.Fastening bolt 114 length
14mm, one end is round thread shape, can coordinate with fastening nut 115;The other end is for oval column structure and arranges diameter 3mm horizontal stroke
To through hole, this end is provided with fastening snap close 116.Fastening snap close 116 is in semicircular arc, and its internal diameter is 12mm, and thickening is expanded in one end
U-shaped breach 117, U-shaped breach 117 width can allow fastening bolt 114 to pass through.Expand thicken U-shaped breach 117 both sides respectively set
Put diameter 3mm keyhole 118, it is allowed to diameter 3mm hole bolt keyhole 118 on above-mentioned U-shaped breach 117 both sides and fastening bolt 114
Pass in the middle of through hole on one end, and both are closely joined together.Outside the latter half of tail end of fastening snap close shape connecting portion 11
Footpath relatively its anterior increase increases thick, and increasing thick position overall diameter is 13mm, a length of 8mm, and arranges external screw thread 119, and external screw thread 119 is wide
Degree is 8mm.
As shown in Figure 4, vacuum suction portion 12 is integrally formed by supervisor 121 and side pipe 122, supervisor 121 and side pipe 122 angle
It is 15 °~45 °, preferably 30 °, is circular tube shaped.Being responsible for 121 long 30mm, its near-end inwall arranges female thread 1211, can with tightly
Gu the external screw thread 119 that snap close shape connecting portion 11 tail end is arranged coordinates, rise and connect and sealing function.It is responsible for 121 tail ends settings to be about
2mm tube wall extroversion thickens the anticreep projection of about 2mm.Side pipe 122 is vacuum suction passage, and long 40mm, internal diameter 8mm, its sidewall has
One diameter 3mm circular hole 1221, the effect of regulation pressure when playing vacuum suction.Supervisor 121 is independently arranged sealing cap 4, is inserted in
Anticreep projection, can cover and airtight supervisor 121 afterbody opening.
As shown in Figure 5, Figure 6,2 points of sheath pipe portion leading portion sheath pipe 21 and back segment sheath pipe 22 two parts, the most cylindrical, sheath pipe
Appearance is arranged with li a length of unit scales mark.Its a length of 420mm of leading portion sheath pipe 21, in leading portion sheath pipe 21 main body, footpath, periphery is divided
Not Wei 12mm and 14mm, leading portion sheath pipe 21 tail end is horn mouth 211, is about 10mm, and footpath, horn mouth 211 periphery is 15mm;Back segment
The a length of 60mm of sheath pipe 22, in its main body, footpath, periphery is respectively 15.5mm and 17.5mm, and in back segment sheath pipe 22 head end, footpath, periphery is divided
Not Wei 14.5mm and 16.5mm, be about 10mm.Back segment sheath pipe 22 head end tube wall at its head end opening 11mm is symmetrical arranged two
The horizontal recessed mark 221 of the sheath wall prominent to inner chamber;One sheath wall prominent to inner chamber longitudinally recessed mark is set in the middle part of back segment sheath pipe 22
222, the longitudinally long 15mm of recessed mark.Leading portion sheath pipe 21 is connected and fixed by the horizontal recessed mark 221 of horn mouth 211 with back segment sheath pipe 22.
During it addition, present segment sheath pipe 21 is inserted in back segment sheath pipe 22 and is in complete straight configuration, the horizontal recessed mark 221 of sheath wall and longitudinally recessed mark
222 can appropriateness leading portion sheath pipe 21 is unexpected in back segment sheath pipe 22 when stopping operation technique shrinks;In back segment sheath pipe 22 tail end opening
Week footpath 15.5mm.
After the socket of leading portion sheath pipe 21, back segment sheath pipe 22 coordinates, active length during sheath pipe portion's 2 fully collapsed condition is
420mm;During sheath pipe portion's 2 fully extended state, remove with fasten snap close shape connecting portion 11 be connected coordinate sheath length of tube 20mm, its
Active length is 450mm.
Leading portion sheath pipe 21 and its tube wall of back segment sheath pipe 22 include inner wall layer and outer wall layer, spiral shell between its inner wall layer and outer wall layer
Rotation shape arranges very thin steel wire to strengthen inner chamber steadiness.Sheath pipe portion 2 outer wall layer surface configuration hydrophilic coating, to reduce operation technique
During the frictional force of soft lens conveying sheath wall and ureter inwall.
As it is shown in fig. 7, inner core 3 main body is cylindrical tube, its external diameter quite or omits with leading portion sheath pipe 21 internal diameter of sheath pipe 2
Little, head end is conical tubular, and body is cylindrical, and tail end opening is funnel-form, and funnel-form outer wall arranges ear fixation hook 31,
After fastening snap close shape connecting portion 11, sheath pipe portion 2 (straight configuration), inner core 3 three coordinate, the ear that infundibulum outer wall is arranged
Fixation hook 31 and the tail end fastening snap close shape connecting portion 11 are fixed.Inner core 3 outer surface arranges hydrophilic coating.Inner core 3 head end opening
In circular hole, the centrally disposed passage of inner core 3, can pass through zebra guide wire or Misgurni anguillicaudati seal wire.When fastening snap close shape connecting portion 11, sheath pipe
After portion 2 (straight configuration), inner core 3 three coordinate, inner core 3 head end stretches out sheath pipe portion 2 head end 30mm and in tapered circular cone
Shape.
As shown in Figure 8, seal cap 4 and be provided with aperture 41, F6 ureteral catheter can be passed through.
As it is shown in figure 9, this utility model is independently arranged closure stopper 5.Closure stopper 5 in tapered tube shape, long 15mm, outer wall
Surface configuration hydrophilic coating;After closure stopper 5 is inserted in F7.5/F8.0 ureterscopy head end, from sheath pipe portion 2 (contraction state)
Inner chamber is inserted in, adjust closure stopper 5 in F7.5/F8.0 ureterscopy head-end location, can eliminate sheath pipe portion 2 head end inner chamber with
Space between F7.5/F8.0 ureterscopy, inserts sheath pipe portion 2 for direct-view under scope and provides convenient.
The each parts of this utility model select the medical plastic manufacture of corresponding different hardness, for single use.
The fastening principle of fastening snap close shape connecting portion 11 and using method
Fastening bolt 114 on fastening snap close shape connecting portion 11 is adjusted to suitable elasticity, outwardly opens fastening snap close
116;Sheath pipe portion 2 is elongated to complete straight configuration (blind depending on inserting time) or foreshortens to fully collapsed condition (when direct-view is inserted);
The head end opening of the sheath pipe portion 2 tail end Self-fastening snap close shape connecting portion 11 adjusted is inserted therein chamber connect to fastening snap close shape
The tail end opening in portion 11;Inwardly close fastening snap close 116;Between fastening snap close 116 is by driving fastening bolt 114 to extrude longitudinally
Gap 112, plays fastening back segment sheath pipe 22 caudal action;Back segment sheath pipe 22 extrudes leading portion by its recessed mark of longitudinal direction being provided with 222 simultaneously
Sheath pipe 21 outer wall and lock leading portion sheath pipe 21 (when sheath pipe portion 2 is in contraction state).So i.e. complete afterbody fastening snap close shape even
Meet portion 11 to coordinate with the assembling in sheath pipe portion 2.On the contrary, employing outwardly opens fastening snap close 116 and can realize both dismountings separately.
Using method when this utility model direct-view is inserted:
After anaesthetizing successfully, take calculi position.If male patient, be directly used alone sheath pipe portion 2, sheath pipe portion 2 is adjusted to
Fully collapsed condition;Closure stopper 5 is inserted about 15mm from ureterscopy head end, then by ureterscopy in sheath pipe portion 2
Chamber is inserted, and adjusts the position of closure stopper 5, blocks the space of ureterscopy head end and sheath pipe portion 2 head end, the most defeated
The head end of the hard mirror of urinary catheter exposes sheath pipe portion 2 inner chamber about 10mm, enters under being looked at straight together with sheath pipe portion 2 per urethra by ureterscopy
Bladder, enters ureter under zebra guide wire guides to renal pelvis, retains sheath pipe portion 2 and zebra guide wire, by ureterscopy together with envelope
Blocking 5 slowly exits;The sheath pipe portion 2 of fully collapsed condition is stretched to complete straight configuration;Will fastening snap close shape connecting portion
11 are connected with sheath pipe portion 2 tail end inserted and buckle, and insert Flexible ureteroscope and complete rubble.Flexible ureteroscope and zebra are led
Silk exits;Vacuum suction portion 12 is connected with fastening snap close shape connecting portion 11 spiral and covers tightly sealing cap 4, self sealss cap 4 aperture
41 insertion ureteral catheters, to renal pelvis, complete crushed stone and suction clear stone.Female patient operation method is roughly the same with male patient,
Except that: after inserting sheath pipe portion 2 under direct-view, the sheath pipe portion 2 being in fully collapsed condition need not change contraction state, its tail
End directly links together with fastening snap close shape connecting portion 11 snap close, completes operation.
This utility model blind depending on inserting time using method
After anaesthetizing successfully, if male patient, taking calculi position, routine disinfection drape, F7.5/F8.0 ureterscopy is looked at straight
Under enter mirror from urethra, enter renal pelvis along zebra guide wire through ureter, retain zebra guide wire, under direct-view, exit F7.5/F8.0 urine output
Managing hard mirror, be connected tightly with sheath pipe portion 2 by fastening snap close 116 by fastening snap close shape connecting portion 11, sheath pipe portion 2 is in stretches completely
State, inner core 3 is inserted in from above-mentioned connection two member lumens, and zebra guide wire tail end is from this utility model inner core assembled 3
The silk guide passage of end passes, and then slowly insert described novel Flexible ureteroscope conveying sheath (sheath pipe portion 2 is in and stretches completely along seal wire
Straight state) to renal pelvis, pull out inner core 3, insert Flexible ureteroscope and complete Ho.YAG laser lithotripsy;Exit Flexible ureteroscope and zebra is led
Silk, vacuum suction portion 12 docks with fastening snap close shape connecting portion 11 spiral, then takes sealing cap 4 and close the tail in vacuum suction portion 12
End opening, inserts F6 ureteral catheter by the aperture 41 sealing cap 4 and enters renal pelvis, suction out calculus fragment.
If female patient, by male patient's operational approach, this utility model Flexible ureteroscope conveying sheath direct stationary is put
Zebra guide wire blind depending under insert and stop at 300mm scale, open fastening snap close 116, retain the sheath pipe portion 2 inserted, will be in
The sheath pipe portion 2 of full straight configuration adjusts to fully collapsed condition, pulls out inner core 3, will fastening snap close shape connecting portion 11 and sheath pipe portion 2
Afterbody connects fastening by fastening snap close 116, completes rubble by above-mentioned male patient's operation method further and crushed stone is removed.
This utility model expands using method--it is applied to hypomere knot in ureterscopy Ho.YAG laser lithotripsy treatment ureter
Stone
After anaesthetizing successfully, take calculi position.If male patient, be directly used alone sheath pipe portion 2, sheath pipe portion 2 is adjusted to
Fully collapsed condition;Closure stopper 5 is inserted about 15mm from ureterscopy head end, then by ureterscopy in sheath pipe portion 2
Chamber is inserted, and adjusts the position of closure stopper 5, and now the head end of ureterscopy exposes sheath pipe portion 2 inner chamber about 10mm;By defeated
The hard mirror of urinary catheter inserts bladder together with sheath pipe portion 2 under external orifice of urethra is looked at straight, inserts speckle from the service aisle of ureterscopy
Horse seal wire, then enters mirror to below calculus along zebra guide wire.Retain sheath pipe portion 2, ureterscopy is slow together with closure stopper 5
Exit, stopper 5 will be blocked from ureterscopy head end removal;Left hand fixes leading portion sheath pipe 21 at external orifice of urethra, at right hand general
Back segment sheath pipe 22 in the sheath pipe portion 2 of fully collapsed condition proximally elapses, and is contracted to external orifice of urethra further, uses surgical scissors
Wipe out a part for the leading portion sheath pipe 21 exposed from back segment sheath pipe 22 tail end;By fastening snap close shape connecting portion 11 and the sheath inserted
Pipe portion 2 tail end connects and buckles, and the sheath pipe after pruning is built into ureterscopy and completes rubble.Ureterscopy is exited;
Insert ureteral catheter to above calculus fragment and wash by water from the sheath tube chamber retained, complete crushed stone and remove.Female patient is performed the operation
Method is identical with male patient.
Finally illustrate be above example only in order to the technical solution of the utility model to be described and unrestricted, although reference
This utility model has been described in detail by preferred embodiment, it will be understood by those within the art that, can be to this reality
Modify or equivalent by novel technical scheme, without deviating from objective and the scope of technical solutions of the utility model,
It all should be contained in the middle of right of the present utility model.
Claims (9)
1. a detachable telescopic Flexible ureteroscope sheath, it is characterised in that include afterbody (1), sheath pipe portion (2) and inner core
(3), described afterbody (1) includes fastening snap close shape connecting portion (11) and vacuum suction portion (12), the described sheath being flexibly connected
Pipe portion (2) is two segment structure, including leading portion sheath pipe (21) and back segment sheath pipe (22) of socket, described afterbody (1) and sheath pipe
Portion (2) is linked together by fastening snap close shape connecting portion (11) and the locking of back segment sheath pipe (22), described inner core (3) energy
Enough it is plugged in fastening snap close shape connecting portion (11) and sheath pipe portion (2).
The detachable telescopic Flexible ureteroscope sheath of one the most according to claim 1, it is characterised in that described sheath pipe
Portion (2) is individually provided with the closure stopper (5) that can eliminate ureterscopy with sheath pipe portion (2) head clearance.
The detachable telescopic Flexible ureteroscope sheath of one the most according to claim 1, it is characterised in that described fastening
Snap close shape connecting portion (11) and vacuum suction portion (12) are threaded.
The detachable telescopic Flexible ureteroscope sheath of one the most according to claim 1, it is characterised in that described back segment
Sheath pipe (22) is socketed on the outer wall of leading portion sheath pipe (21), and described back segment sheath pipe (22) is near the pipe of leading portion sheath pipe (21) one end
Being symmetrical arranged two horizontal recessed marks (221) to inner chamber depression on wall, described back segment sheath pipe (22) middle part inwardly arranges one
The recessed mark of the longitudinal direction (222) of chamber depression.
The detachable telescopic Flexible ureteroscope sheath of one the most according to claim 1, it is characterised in that described fastening
Snap close shape connecting portion (11) first half arranges axial clearance (112), and described axial clearance (112) two edges are oppositely arranged a pair
With the fastening lug (113) of ear hole, described fastening bolt (114) is through fastening lug (113), described fastening bolt
(114) one end connects fastening nut (115), and the other end connects fastening snap close (116).
The detachable telescopic Flexible ureteroscope sheath of one the most according to claim 1, it is characterised in that described negative pressure
Suction unit (12) is one-body molded by supervisor (121) and side pipe (122), and described supervisor (121) and side pipe (122) angle are 15 °
~45 °, the circular hole (1221) of regulation pressure effect when described side pipe (122) wall has been provided with vacuum suction.
The detachable telescopic Flexible ureteroscope sheath of one the most according to claim 1, it is characterised in that described inner core
(3) tail end is fixed with fastening snap close shape connecting portion (11) tail end by the ear fixation hook (31) arranged, described inner core (3) head
End opening is circular hole, and described inner core (3) is centrally disposed can pass through zebra guide wire or the passage of Misgurni anguillicaudati seal wire.
The detachable telescopic Flexible ureteroscope sheath of one the most according to claim 4, it is characterised in that described leading portion
Sheath pipe (21) is horn mouth (211) near one end of back segment sheath pipe (22), and described leading portion sheath pipe (21) passes through horn mouth (211)
Connect and fix with the horizontal recessed mark (221) of back segment sheath pipe (22).
The detachable telescopic Flexible ureteroscope sheath of one the most according to claim 6, it is characterised in that described supervisor
(121) tail end and side pipe (122) tail end are equipped with anticreep projection, and in the anticreep projection of described supervisor (121), clamping seals cap
(4), described sealing cap (4) is provided with the aperture (41) passed through for ureteral catheter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620222519.9U CN205612547U (en) | 2016-03-22 | 2016-03-22 | Can dismantle telescopic flexible ureteroscope sheath |
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CN201620222519.9U CN205612547U (en) | 2016-03-22 | 2016-03-22 | Can dismantle telescopic flexible ureteroscope sheath |
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CN201620222519.9U Expired - Fee Related CN205612547U (en) | 2016-03-22 | 2016-03-22 | Can dismantle telescopic flexible ureteroscope sheath |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105662581A (en) * | 2016-03-22 | 2016-06-15 | 蒋祥新 | Detachable and telescopic flexible ureteroscope sheath |
-
2016
- 2016-03-22 CN CN201620222519.9U patent/CN205612547U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105662581A (en) * | 2016-03-22 | 2016-06-15 | 蒋祥新 | Detachable and telescopic flexible ureteroscope sheath |
CN105662581B (en) * | 2016-03-22 | 2018-12-28 | 蒋祥新 | A kind of detachable telescopic Flexible ureteroscope sheath |
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