CN105662581B - A kind of detachable telescopic Flexible ureteroscope sheath - Google Patents
A kind of detachable telescopic Flexible ureteroscope sheath Download PDFInfo
- Publication number
- CN105662581B CN105662581B CN201610164898.5A CN201610164898A CN105662581B CN 105662581 B CN105662581 B CN 105662581B CN 201610164898 A CN201610164898 A CN 201610164898A CN 105662581 B CN105662581 B CN 105662581B
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- Prior art keywords
- sheath
- fastening
- interconnecting piece
- flexible ureteroscope
- back segment
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- 238000001356 surgical procedure Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
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- 210000000626 ureter Anatomy 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
- 238000002504 lithotomy Methods 0.000 description 3
- 230000002485 urinary effect 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
- 208000000014 Ureteral Calculi Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000003708 urethra Anatomy 0.000 description 2
- 210000002700 urine Anatomy 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
- 230000009286 beneficial 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
- 238000000338 in vitro Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 210000003744 kidney calice Anatomy 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B18/26—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor for producing a shock wave, e.g. laser lithotripsy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
Abstract
The invention belongs to medical instruments fields, and in particular to a kind of detachable telescopic Flexible ureteroscope sheath.It includes tail portion, sheath pipe portion and inner core, tail portion includes the fastening lock interconnecting piece being flexibly connected and vacuum suction portion, sheath pipe portion is two segment structure, leading portion sheath and back segment sheath including socket, tail portion is linked together with sheath pipe portion by the locking of fastening lock interconnecting piece and back segment sheath, and inner core can be plugged in fastening lock interconnecting piece and sheath pipe portion.The present invention can be achieved to look at merging under Flexible ureteroscope sheath scope straight, reduce operation difficulty, and guarantee operation safety improves one-stage operation success rate and immediately clear stone effect；Surgical staff can be met to greatest extent to demand in the art of different sheath length of tube, provide convenience to surgical procedure.
Description
Technical field
The invention belongs to medical instruments fields, and in particular to a kind of detachable telescopic Flexible ureteroscope sheath.
Background technique
Currently, Flexible ureteroscope sheath (also known as Flexible ureteroscope conveying sheath) is widely used in Flexible ureteroscope Ho.YAG laser lithotripsy
Art treats proximal ureteral calculus and kidney stone, is one of most important auxiliary instrument in Flexible ureteroscope Holmium YAG laser lithotripsy.
Although Flexible ureteroscope sheath manufacturer is numerous, since its design defect, structure are single, not being able to satisfy the changeable clinic of situation is needed
It asks.It is mainly shown as:
1) direct view under endoscope completes the merging of Flexible ureteroscope sheath, undoubtedly safer, have higher success rate.Such production all at present
Product active length is immutable (men's type 450mm, lady's type 350mm), and ureterscopy active length is 430mm, and the two cannot
It is used cooperatively, the lower requirement being placed in of direct-view cannot be reached；It is both needed in art along seal wire with merging or X under patient's feel and the blind view of experience
It is placed under x ray fluoroscopy x, may cause accidental injury in this way；Also one-stage operation lithotripsy in treatment can be abandoned because being placed in difficulty.
2) existing product tail portion and sheath pipe portion are all made of non-removable be fixedly connected and sheath pipe portion active length can not
Become, when Flexible ureteroscope sheath cannot be fully recessed into renal plevis, will lead to that external exposed portion is too long, and soft lens length is relatively too short,
Although Flexible ureteroscope head end can enter Ipsilateral ureteral lumen, it not can enter renal plevis kidney calices, be unable to complete the broken of kidney stone
Stone treatment.If above situation occurs with male patient, it is complete that patient may use relatively short lady's Flexible ureteroscope sheath instead
At operation, and then increase operation cost.Or patient using wipe out expose in vitro the tail end of excessive Flexible ureteroscope sheath together with
Part sheath, and then Ho.YAG laser lithotripsy under Flexible ureteroscope is completed, but destructiveness wipes out the Flexible ureteroscope sheath after tail end, tail
End has exposed very thin steel wire and caliber is too thin, brings inconvenience to operation in art.
3) existing product does not have the removing calculus function after rubble, generally requires calculus catching net-like means and extracts calculus, efficiency repeatedly
It is low and at high cost.
Summary of the invention
In order to make up for the deficiencies of the prior art, the present invention provide a kind of rear removable, sheath it is scalable, can with it is existing
Ureterscopy cooperation, the technical solution for realizing the Flexible ureteroscope sheath that direct view under endoscope is placed in.
A kind of described detachable telescopic Flexible ureteroscope sheath, it is characterised in that including tail portion, sheath pipe portion and inner core,
The tail portion includes the fastening lock shape interconnecting piece being flexibly connected and vacuum suction portion, and the sheath pipe portion is two segment knot
Structure, leading portion sheath and back segment sheath including socket, the tail portion and sheath pipe portion pass through fastening lock shape interconnecting piece and back segment
The locking of sheath and link together, the inner core can be plugged on fastening lock shape interconnecting piece and sheath pipe portion in.
A kind of detachable telescopic Flexible ureteroscope sheath, it is characterised in that be individually equipped in the sheath pipe portion
The closure plug of ureterscopy Yu sheath size portion gap can be eliminated.
A kind of detachable telescopic Flexible ureteroscope sheath, it is characterised in that the fastening latches shape interconnecting piece
It is threadedly coupled with vacuum suction portion.
A kind of detachable telescopic Flexible ureteroscope sheath, it is characterised in that before the back segment sheath is socketed in
On the outer wall of section sheath, the back segment sheath is symmetrical arranged two to inner cavity recess on the tube wall of leading portion sheath one end
Laterally recessed mark, described back segment sheath one recessed mark in longitudinal direction being recessed to inner cavity of middle part setting.
A kind of detachable telescopic Flexible ureteroscope sheath, it is characterised in that the fastening latches shape interconnecting piece
Axial clearance is arranged in first half, and the axial clearance two edges are oppositely arranged a pair of fastening lug with ear hole, and described is tight
Fixing bolt passes through fastening lug, and described fastening bolt one end connects fastening nut, other end connection fastening lock.
A kind of detachable telescopic Flexible ureteroscope sheath, it is characterised in that the vacuum suction portion is by being responsible for
It is integrally formed with side pipe, the supervisor and side pipe angle are 15 °~45 °, when the side pipe wall has been equipped with vacuum suction
Adjust the circular hole of pressure effect.
A kind of detachable telescopic Flexible ureteroscope sheath, it is characterised in that the inner core tail end passes through setting
Ear stay hook fixed with fastening lock interconnecting piece tail end, the inner core head end opening is in circular hole, in the inner core
Heart setting can pass through zebra guide wire or the channel of loach seal wire.
A kind of detachable telescopic Flexible ureteroscope sheath, it is characterised in that the leading portion sheath is close to back segment
One end of sheath is in horn mouth, and the leading portion sheath is connected and fixed by horn mouth and the recessed mark of transverse direction of back segment sheath.
A kind of detachable telescopic Flexible ureteroscope sheath, it is characterised in that supervisor's tail end and side pipe tail
End is equipped with anticreep protrusion, and seal cap is clamped in the anticreep protrusion of the supervisor, and the seal cap is equipped with and leads for ureter
The aperture that pipe passes through.
The beneficial effects of the present invention are: (1) present invention is designed tail portion and sheath pipe portion using seperated in structure, by tail portion
After removal, telescopic sheath pipe portion as individual components and ureterscopy and can be blocked plug cooperation, realize that ureter is soft
It is placed under mirror sheath endoscopic observation, reduces operating difficulty, improve safety and one-stage operation success rate, it is therefore possible to keep scope straight
Become the revolutionary method of mainstream depending on lower merging Flexible ureteroscope sheath.(2) rear removable is assembled, sheath length of tube can shorten can
Elongation, thus patient can be met to greatest extent to demand in the art of different length sheath, it is operated to patient and convenience is provided, it is especially suitable
The patient that can only be partially placed in for sheath.(3) present invention retains core designs, still can realize that (reservation) existing (tradition) is defeated
The application method of the blind view merging of urinary catheter soft lens sheath.(4) the additional setting vacuum suction portion of the present invention can when calculus fragment is more
Vacuum suction or suction are completed, achievees the purpose that remove calculus fragment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of present invention fastening lock shape interconnecting piece；
Fig. 2 is the structural schematic diagram two of present invention fastening lock shape interconnecting piece；
Fig. 3 is the structural schematic diagram three of present invention fastening lock shape interconnecting piece；
Fig. 4 is the cross-sectional view in vacuum suction portion of the present invention；
Fig. 5 is the structural schematic diagram of sheath pipe portion of the present invention；
Fig. 6 is the structural schematic diagram of the leading portion sheath of sheath pipe portion of the present invention；
Fig. 7 is the structural schematic diagram of inner core of the present invention；
Fig. 8 is the structural schematic diagram of seal cap of the present invention；
Fig. 9 is the structural schematic diagram that the present invention blocks plug；
Figure 10 is present invention fastening lock shape interconnecting piece, vacuum suction portion and sheath pipe portion mated condition figure；
Figure 11 is present invention fastening lock shape interconnecting piece, sheath pipe portion and inner core mated condition figure.
In figure: the tail portion 1-；11- fastening lock shape interconnecting piece；111- lateral clearance；The axial clearance 112-；113- fastening is prominent
Ear；114- fastening bolt；115- fastening nut；116- fastening lock；117-U type notch；118- keyhole；119- external screw thread；12-
Vacuum suction portion；121- supervisor；1211- internal screw thread；122- side pipe；1221- circular hole；2- sheath pipe portion；21- leading portion sheath；211-
Horn mouth；22- back segment sheath；The lateral recessed mark of 221-；The longitudinal recessed mark of 222-；3- inner core；31- ear stay hook；4- seal cap；
41- aperture；5- blocks plug.
Specific embodiment
The present invention is further illustrated below in conjunction with Figure of description.
Flexible ureteroscope conveys sheath and is divided into F12/F10, Fl4/F12, F16/F14, most common model according to caliber difference
For F14/F12.The present invention is unisex type.Illustrate by taking Fl4/F12-450mm type as an example with reference to the accompanying drawing of the invention specific
Embodiment.
The present invention is by tail portion 1, sheath pipe portion 2,3 three main components of inner core and seal cap 4, closure 5 two attachmentes of plug
It constitutes.
As shown in Figure 1 to Figure 3, tail portion 1 is made of fastening lock shape interconnecting piece 11 and 12 two, vacuum suction portion component.Tightly
11 its appearance of solid lock buckle-like interconnecting piece is substantially in cylindrical tube, long 20mm, outer diameter 12mm, internal diameter and 2 tail portion outer diameter of sheath pipe portion
Quite, sheath pipe portion 2 is allowed just to be placed in its inner cavity.Semicircle lateral clearance 111 is arranged in fastening lock shape interconnecting piece 11 center,
111 width 5mm of lateral clearance, is classified as first half and latter half of two parts.It is perpendicular in first half setting with lateral clearance 111
Axial clearance 112,112 width 5mm of axial clearance.112 two edges of axial clearance are oppositely arranged two fastening lugs 113, two fastenings
The a part and its body normal of lug 113 as fastening lock shape interconnecting piece 11；Two fastening 113 spacing 5mm of lug；Two fastenings
Earhole is set in the middle part of lug 113, and earhole diameter 8mm allows diameter 6mm fastening bolt 114 to pass through.114 length of fastening bolt
14mm, one end are round thread shape, can be cooperated with fastening nut 115；The other end is elliptic cylindrical shape structure and diameter 3mm cross is arranged
To through-hole, which is equipped with fastening lock 116.Fastening lock 116 is in semicircular arc, and internal diameter 12mm, thickening is expanded in one end
U-shaped notch 117, U-shaped 117 width of notch allow fastening bolt 114 to pass through.117 both sides of U-shaped notch for expanding thickening are respectively set
Diameter 3mm keyhole 118 is set, allows diameter 3mm hole bolt from the keyhole 118 and fastening bolt 114 on above-mentioned U-shaped 117 both sides of notch
It is passed through among through-hole on one end, and the two is closely joined together.Outside the latter half of tail end of fastening lock shape interconnecting piece 11
Diameter increases thickening compared with its front, and thickening position overall diameter is 13mm, length 8mm, and external screw thread 119 is arranged, 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 122 angle of side pipe
It is circular tube shaped for 15 °~45 °, preferably 30 °.Be responsible for 121 long 30mm, internal screw thread 1211 is arranged in proximal end inner wall, can with it is tight
The external screw thread 119 of 11 tail end of solid lock buckle-like interconnecting piece setting cooperates, and plays connection and sealing function.The setting of 121 tail ends is responsible for be about
2mm tube wall extroversion thickens the anticreep protrusion of about 2mm.Side pipe 122 is negative pressure attraction channel, and long 40mm, internal diameter 8mm, side wall has
One diameter 3mm circular hole 1221 plays a part of to adjust pressure when vacuum suction.Supervisor 121 is independently arranged seal cap 4, is inserted in
Anticreep protrusion, can cover and 121 tail portions of closed supervisor are open.
As shown in Figure 5, Figure 6, sheath pipe portion 2 divides leading portion sheath 21 and back segment sheath 22 two parts, substantially cylindrical, sheath
Appearance setting is with a li a length of unit scales mark.The length is 420mm, 21 inside and outside of the main body week diameters of leading portion sheath point for leading portion sheath 21
Not Wei 12mm and 14mm, 21 tail end of leading portion sheath is in horn mouth 211, is about 10mm, and 211 periphery diameter of horn mouth is 15mm；Back segment
22 length of sheath is 60mm, inside and outside of the main body week diameter be respectively 15.5mm and 17.5mm, periphery diameter point in 22 head end of back segment sheath
Not Wei 14.5mm and 16.5mm, be about 10mm.22 head end of back segment sheath is symmetrical arranged two away from tube wall at its head end opening 11mm
To the lateral recessed mark 221 of inner cavity sheath wall outstanding；One is arranged in the middle part of back segment sheath 22 to the longitudinal recessed mark of inner cavity sheath wall outstanding
222, longitudinal recessed long 15mm of mark.Leading portion sheath 21 is connected and fixed by horn mouth 211 and the recessed mark 221 of transverse direction of back segment sheath 22.
In addition, when leading portion sheath 21 is inserted in back segment sheath 22 and when in complete straight configuration, sheath wall laterally recessed mark 221 and longitudinal recessed mark
222 can moderately stop leading portion sheath 21 when surgical procedure surprisingly to be shunk into back segment sheath 22；In 22 tail end of back segment sheath opening
All diameter 15.5mm.
After leading portion sheath 21, the socket cooperation of back segment sheath 22, active length when sheath 2 fully collapsed condition of pipe portion is
420mm；When sheath 2 fully extended state of pipe portion, the sheath length of tube 20mm for being connected cooperation with fastening lock shape interconnecting piece 11 is removed,
Active length is 450mm.
Leading portion sheath 21 and back segment sheath 22 its tube wall include inner wall layer and outer wall layer, spiral shell between inner wall layer and outer wall layer
It revolves shape and very thin steel wire is set to reinforce inner cavity stability.Hydrophilic coating is arranged in 2 outer wall layer surface of sheath pipe portion, to reduce surgical procedure
The frictional force of soft lens conveying sheath wall and urine output inside pipe wall in the process.
As shown in fig. 7,3 main body of inner core is in cylindrical tube, outer diameter is suitable with 21 internal diameter of leading portion sheath of sheath 2 or omits
Small, head end is in conical tubular, and body portion is cylindrical, and tail end opening is funnel-shaped, and ear stay hook 31 is arranged in funnel-form outer wall,
After fastening lock shape interconnecting piece 11, sheath pipe portion 2 (straight configuration), 3 three of inner core cooperation, the ear of pars infundibularis outer wall setting
Stay hook 31 and the tail end of fastening lock shape interconnecting piece 11 are fixed.Hydrophilic coating is arranged in 3 outer surface of inner core.3 head end of inner core opening
In circular hole, 3 center of inner core is arranged channel, can pass through zebra guide wire or loach seal wire.When fastening latches shape interconnecting piece 11, sheath
After portion 2 (straight configuration), 3 three of inner core cooperation, 3 head end of inner core stretches out 2 head end 30mm of sheath pipe portion and in the circular cone being tapered
Shape.
As shown in figure 8, seal cap 4 is provided with aperture 41, F6 ureteral catheter can be passed through.
As shown in figure 9, the present invention, which is independently arranged, blocks plug 5.Blocking plug 5 is in tapered tube shape, long 15mm, outer wall surface
Hydrophilic coating is set；After closure plug 5 is inserted in F7.5/F8.0 ureterscopy head end, from sheath pipe portion 2 (contraction state) inner cavity
It is inserted in, adjustment blocks plug 5 in F7.5/F8.0 ureterscopy head-end location, can eliminate 2 head end inner cavity of sheath pipe portion and F7.5/
Gap between F8.0 ureterscopy provides convenience for direct-view merging sheath pipe portion 2 under scope.
Each component of the present invention selects the medical plastic of corresponding different hardness to manufacture, and is disposable.
The fastening principle and application method of fastening lock shape interconnecting piece 11
Fastening bolt 114 on fastening lock shape interconnecting piece 11 is adjusted to appropriate elasticity, fastening lock is outwardly opened
116；Sheath pipe portion 2 is elongated to complete straight configuration when merging (blind depending on) or is foreshortened to fully collapsed condition (when direct-view merging)；
The head end opening of the 2 tail end Self-fastening of sheath pipe portion adjusted lock shape interconnecting piece 11 is inserted into its inner cavity to fastening lock shape connection
The tail end in portion 11 is open；Inwardly close fastening lock 116；Between fastening lock 116 is by driving fastening bolt 114 to squeeze longitudinal direction
Gap 112 plays fastening 22 caudal action of back segment sheath;Back segment sheath 22 is by the recessed mark 222 in longitudinal direction that it is equipped with while squeezing leading portion
21 outer wall of sheath and lock leading portion sheath 21 (when sheath pipe portion 2 is in contraction state).Tail portion fastening lock shape is so completed to connect
The assembling of socket part 11 and sheath pipe portion 2 cooperates.On the contrary, can realize that the disassembly of the two separates using fastening lock 116 is outwardly opened.
The present invention looks at application method when merging straight:
After anaesthetizing successfully, lithotomy position is taken.If male patient, direct exclusive use sheath pipe portion 2, by sheath pipe portion 2 adjust to
Fully collapsed condition；Plug 5 will be blocked and be inserted into about 15mm from ureterscopy head end, then by ureterscopy from sheath pipe portion 2
Chamber merging, and the position for blocking plug 5 is adjusted, the gap of ureterscopy head end Yu 2 head end of sheath pipe portion is blocked, it is defeated at this time
The head end of the hard mirror of urinary catheter exposes 2 inner cavity of sheath pipe portion about 10mm, looks at ureterscopy straight tripping in together with 2 per urethra of sheath pipe portion
Bladder guides tripping in ureter to renal plevis, retains sheath pipe portion 2 and zebra guide wire, by ureterscopy together with envelope in zebra guide wire
Blocking 5 slowly exits；The sheath pipe portion 2 of fully collapsed condition is stretched to complete straight configuration；Fastening is latched into shape interconnecting piece
11 connect and fasten with 2 tail end of sheath pipe portion being placed in, and merging Flexible ureteroscope completes rubble.Flexible ureteroscope and zebra are led
Silk exits；Vacuum suction portion 12 is connect and is covered tightly seal cap 4,4 aperture of self-sealing cap with fastening lock 11 spiral of shape interconnecting piece
41 insertion ureteral catheters complete crushed stone and suction clear stone to renal plevis.Female patient operation method is roughly the same with male patient,
Except that: behind direct-view lower merging sheath portion 2, the sheath pipe portion 2 in fully collapsed condition does not have to change contraction state, tail
End directly links together with the fastening lock lock of shape interconnecting piece 11, completes operation.
Application method when the blind view of the present invention is placed in
After anaesthetizing successfully, if male patient, lithotomy position, routine disinfection drape, the direct-view of F7.5/F8.0 ureterscopy are taken
Under from urethra enter mirror, enter renal plevis through ureter along zebra guide wire, retain zebra guide wire, F7.5/F8.0 urine output is exited under direct-view
Hard mirror is managed, lock shape interconnecting piece 11 will be fastened and connect tightly with sheath pipe portion 2 by fastening lock 116, sheath pipe portion 2 is in and stretches completely
State, inner core 3 are inserted in from above-mentioned two member lumens of connection, zebra guide wire tail end from 3 head end of inner core of the present invention assembled it
Silk guide passage is pierced by, and the novel Flexible ureteroscope conveying sheath is then slowly placed in along seal wire, and (sheath pipe portion 2 is in and stretches shape completely
State) to renal plevis, inner core 3 is pulled out, merging Flexible ureteroscope completes Ho.YAG laser lithotripsy;Flexible ureteroscope and zebra guide wire are exited, is born
Pressure suction unit 12 is docked with fastening lock 11 spiral of shape interconnecting piece, then the tail end for taking seal cap 4 to close vacuum suction portion 12 is opened
Mouthful, the aperture 41 of seal cap 4 is placed in F6 ureteral catheter and enters renal plevis, suctions out calculus fragment.
If female patient, the zebra for having set Flexible ureteroscope of the present invention conveying sheath direct stationary by male patient's operating method
Stop at merging 300mm scale under the blind view of seal wire, open fastening lock 116, retain the sheath pipe portion 2 of merging, will be in and stretch completely
The sheath pipe portion 2 of straight state is adjusted to fully collapsed condition, pulls out inner core 3, by fastening lock shape interconnecting piece 11 and 2 tail portion of sheath pipe portion
By the 116 connection fastening of fastening lock, rubble further is completed by above-mentioned male patient's operation method and crushed stone is removed.
The present invention expands application method -- and it is applied to ureterscopy Ho.YAG laser lithotripsy and treats lower ureteral calculi
After anaesthetizing successfully, lithotomy position is taken.If male patient, direct exclusive use sheath pipe portion 2, by sheath pipe portion 2 adjust to
Fully collapsed condition；Plug 5 will be blocked and be inserted into about 15mm from ureterscopy head end, then by ureterscopy from sheath pipe portion 2
Chamber merging, and the position for blocking plug 5 is adjusted, the head end of ureterscopy exposes 2 inner cavity of sheath pipe portion about 10mm at this time；It will be defeated
The hard mirror of urinary catheter looks at lower merging bladder straight from orificium urethrae externum together with sheath pipe portion 2, is placed in spot from the service aisle of ureterscopy
Horse seal wire, then along zebra guide wire into mirror to below calculus.Retain sheath pipe portion 2, ureterscopy is slow together with plug 5 is blocked
It exits, plug 5 will be blocked from ureterscopy head end removal；Left hand fixed leading portion sheath 21 from orificium urethrae externum, the right hand will be located
It is proximally elapsed in the back segment sheath 22 of the sheath pipe portion 2 of fully collapsed condition, is further contracted to orificium urethrae externum, uses surgical scissors
Wipe out a part for the leading portion sheath 21 exposed from 22 tail end of back segment sheath；The sheath that will fastening lock shape interconnecting piece 11 and be placed in
2 tail end of pipe portion is connected and is fastened, and the sheath from after trimming is built into ureterscopy and completes rubble.Ureterscopy is exited；
It from above the sheath lumen insertion ureteral catheter to calculus fragment of reservation and washes by water, completes crushed stone and remove.Female patient operation
Method is identical as male patient.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferable
Embodiment describes the invention in detail, those skilled in the art should understand that, it can be to technology of the invention
Scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered in this hair
In bright scope of the claims.
Claims (7)
1. a kind of detachable telescopic Flexible ureteroscope sheath, it is characterised in that including tail portion (1), sheath pipe portion (2) and inner core
(3), the tail portion (1) includes fastening lock shape interconnecting piece (11) and vacuum suction portion (12) being flexibly connected, the sheath
Pipe portion (2) is two segment structure, leading portion sheath (21) and back segment sheath (22) including socket, the tail portion (1) and sheath
Portion (2) is linked together by the locking of fastening lock shape interconnecting piece (11) and back segment sheath (22), the inner core (3) energy
It is enough plugged in fastening lock shape interconnecting piece (11) and sheath pipe portion (2), described fastening lock shape interconnecting piece (11) first half is set
It sets axial clearance (112), the axial clearance (112) two edges are oppositely arranged a pair of fastening lug (113) with ear hole, tightly
Fixing bolt (114) passes through fastening lug (113), and the fastening bolt (114) one end connects fastening nut (115), the other end
Connection fastening lock (116), the ear stay hook (31) and fastening lock shape interconnecting piece that the inner core (3) tail end passes through setting
(11) tail end is fixed, and the inner core (3) head end opening is in circular hole, and the setting of the inner core (3) center can pass through zebra
The channel of seal wire or loach seal wire.
2. a kind of detachable telescopic Flexible ureteroscope sheath according to claim 1, it is characterised in that the sheath
The closure plug (5) that can eliminate ureterscopy Yu sheath pipe portion (2) head clearance is individually equipped in portion (2).
3. a kind of detachable telescopic Flexible ureteroscope sheath according to claim 1, it is characterised in that the fastening
Shape interconnecting piece (11) and vacuum suction portion (12) are latched to be threadedly coupled.
4. a kind of detachable telescopic Flexible ureteroscope sheath according to claim 1, it is characterised in that the back segment
Sheath (22) is socketed on the outer wall of leading portion sheath (21), pipe of the back segment sheath (22) close to leading portion sheath (21) one end
It is symmetrical arranged two recessed marks of transverse direction (221) being recessed to inner cavity on wall, one is arranged in the middle part of the back segment sheath (22) inwardly
The recessed mark in longitudinal direction (222) of chamber recess.
5. a kind of detachable telescopic Flexible ureteroscope sheath according to claim 1, it is characterised in that the negative pressure
Suction unit (12) is integrally formed by being responsible for (121) and side pipe (122), and the supervisor (121) and side pipe (122) angle are 15 °
~45 °, the side pipe (122) wall has been equipped with the circular hole (1221) that pressure effect is adjusted when vacuum suction.
6. a kind of detachable telescopic Flexible ureteroscope sheath according to claim 3, it is characterised in that the leading portion
Sheath (21) is in horn mouth (211) close to the one end of back segment sheath (22), and the leading portion sheath (21) passes through horn mouth (211)
It is connected and fixed with the recessed mark of transverse direction (221) of back segment sheath (22).
7. a kind of detachable telescopic Flexible ureteroscope sheath according to claim 5, it is characterised in that the supervisor
(121) tail end and side pipe (122) tail end are equipped with anticreep protrusion, are clamped seal cap in the anticreep protrusion of the supervisor (121)
(4), the seal cap (4) is equipped with the aperture (41) passed through for ureteral catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164898.5A CN105662581B (en) | 2016-03-22 | 2016-03-22 | A kind of detachable telescopic Flexible ureteroscope sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164898.5A CN105662581B (en) | 2016-03-22 | 2016-03-22 | A kind of detachable telescopic Flexible ureteroscope sheath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105662581A CN105662581A (en) | 2016-06-15 |
| CN105662581B true CN105662581B (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610164898.5A Expired - Fee Related CN105662581B (en) | 2016-03-22 | 2016-03-22 | A kind of detachable telescopic Flexible ureteroscope sheath |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107049204A (en) * | 2017-01-16 | 2017-08-18 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | A kind of Flexible ureteroscope guide sheath |
| CN107261298A (en) * | 2017-07-11 | 2017-10-20 | 广州优尼康通医疗科技有限公司 | Visualize the prostate dilator of positioning |
| CN108211086A (en) * | 2018-02-26 | 2018-06-29 | 史军 | A kind of flexible sheath and ureter guide sheath component |
| CN108542340B (en) * | 2018-04-24 | 2024-03-12 | 海纳阳光（北京）医药控股有限公司 | Nested ureteral soft lens |
| 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 |
| CN109998698A (en) * | 2019-04-05 | 2019-07-12 | 福建医科大学附属协和医院 | It can be to the digital control system of renal plevis pressure row real-time control in Flexible ureteroscope art based on sheath optical fiber pressure sensor monitoring |
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| CN203841674U (en) * | 2014-02-14 | 2014-09-24 | 鄢俊安 | Length-adjustable flexible ureteroscope guide sheath |
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| CN2760320Y (en) * | 2005-01-18 | 2006-02-22 | 宁波杰明电子有限公司 | A quick-fixing fastener for pipes |
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| WO2009074981A1 (en) * | 2007-12-12 | 2009-06-18 | Lithotech Medical Ltd. | Device and method for fragmenting and removing concretions from body ducts and cavities |
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| CN105662581A (en) | 2016-06-15 |
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