CN105852933A - Lacing type ureteral stone blocking dislodger - Google Patents
Lacing type ureteral stone blocking dislodger Download PDFInfo
- Publication number
- CN105852933A CN105852933A CN201610268545.XA CN201610268545A CN105852933A CN 105852933 A CN105852933 A CN 105852933A CN 201610268545 A CN201610268545 A CN 201610268545A CN 105852933 A CN105852933 A CN 105852933A
- Authority
- CN
- China
- Prior art keywords
- handle
- inner core
- braiding
- pipe network
- extractor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B17/22032—Gripping instruments, e.g. forceps, for removing or smashing calculi having inflatable gripping elements
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention relates to a lacing type ureteral stone blocking dislodger. The dislodger is provided with a handle, a tube handle, a woven tube net and an inner core, wherein the woven tube net is a tubular net formed by weaving a plurality of metal wires, the far end of the woven tube net is covered with a film-like structure, and two ends of the woven tube net are fixed at the far end of the tube handle and the inner core through fixing assemblies respectively; the woven tube net performs telescopic movement under the drive of the tube handle, the woven tube net in a use state is fusiform, is half-fusiform at the far end and is umbrella-shaped at the near end, or the woven tube net in a use state is umbrella-shaped. A blocking object has a more reasonable shape, can be accurately controlled, doesnot easily deform and is more conveniently implanted into a ureter, complete blocking can be better realized, the shape of the blocking object can be adjusted timely, accordingly, the problems such as incarceration of stone and the like are solved, and a preparation process is feasible.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically, relate to a kind of lacing formula ureteral calculus resistance
Gear extractor.
Background technology
Urinary system calculus sickness rate is up to 5%-10%, it is seen that any in kidney, bladder, ureter and urethra
Position, is common with kidney and ureteral calculus.Ureteroscope lithotrity carries out rubble through human body natural's tract,
There is the advantage that wound is little and rubble is definite, be one of the essential therapeutic arsenals of current ureteral calculus.But,
At present ureteroscope lithotrity there is also certain deficiency: 1. in ureter, epimere calculus and stone debris easy
It is poured in the recoil strength refunds kidney of current or rock breaking tool；2. ureter intraluminal residual calculus chip lacks
Weary mode efficiently and effectively is taken out.
Being blockaded above ureteral calculus by instrument is to prevent ureteral calculus by the important hands of the kidney that recoils back
Section, the most also has some ureter stoppers, and this type of calculus obstruction instrument also has concurrently under normal circumstances
Take out the function of calculus.But these ureter stoppers still suffer from certain shortcoming in actual use.
Such as Chinese patent literature CN 200920269281.5, day for announcing 2010.08.25, disclose one
Compact body cavity stopper, including a seal wire, a conduit, a plug that can be axially compressed, described envelope
Stifled thing is made up of flat membrane more than two panels, and described membrane surface scribbles hydrophilic coating makes each diaphragm the most viscous
Closing in flat, being provided with at least one on diaphragm axial direction can be through tube chamber of seal wire, diaphragm remote
End is fixed with seal wire, and tractive guidewire proximal, the plug of expansion is formed after being axially compressed in radial directions
In circumferentially distributed bolt shape plug.This utility model major advantage is the envelope constituted relative to previous monolithic membrane
Stifled device, its closure is more abundant, can effectively prevent barrier from escaping from the space of stopper.
But, above-mentioned stopper yet suffers from following defect: (1) is although diaphragm is by flat film more than two panels
Sheet is constituted, and increases compared to monolithic membrane plugging effect, but, diaphragm is radially originally, after compression
Form circumferentially distributed bolt shape plug, this bolt shape plug certainly will still suffer from space, take out calculus
During, still there is the probability that calculus is escaped；(2) far-end of diaphragm is fixed with seal wire, then at seal wire
Forming bolt shape plug under tractive, can the plug peripheral shape being thusly-formed be uncertain, tubular with urine output
Shape preferably agrees with to block completely, and its effect is also uncertain；(3) the bolt shape plug formed by diaphragm
Profile is not easy to the most accurately control, and can not adjust during taking stone the most in good time, or after adjustment
Poor effect；(4) membrane surface scribbles hydrophilic coating and makes each diaphragm mutually bond in flat, it is thus possible to
When diaphragm does not arrives calculus upper end, the bonding between diaphragm is just destroyed and spreads out, and poor controllability is put
It is easily caused calculus displacement during putting or places unsuccessfully, and making each diaphragm phase at membrane surface hydrophilic coating
The processing technology of bonding itself requires higher mutually.
Therefore, need a kind of plug shape badly more reasonable and controlled, be unlikely to deform, in order to closure completely,
Adjust and convenient placement in good time, and processing technology practicable ureteral calculus stop extractor, but mesh
Before have not been reported about such device.
Summary of the invention
It is an object of the invention to for deficiency of the prior art, it is provided that a kind of lacing formula ureteral calculus stops
Extractor.
For achieving the above object, the present invention adopts the technical scheme that:
A kind of lacing formula ureteral calculus stops extractor, is provided with handle, Guan Bing, braiding pipe network and inner core,
The described tubular reticulum that braiding pipe network is the braiding of some one metal wires and far-end are covered with membrane structure, braiding
Pipe network two ends are fixed on pipe handle far-end and inner core by fixation kit respectively；Described braiding pipe network is at pipe handle
Drive under do stretching motion, the use state of described braiding pipe network be fusiformis, far-end be half fusiformis and near
End is umbrella or umbrella.
Described tinsel is skew crossing braiding；Or the tinsel of near-end side is skew crossing braiding,
And some wire elongation therein are mutually wound around to far-end side and adjacent wire, finally its far-end converges
Get together.
Described radical wiry is the integer between 4～200, described braiding pipe network can by etc.
Diameter metal silk or two kinds and the interval braiding of two or more diameter metal silk form.
Being arranged with position-limiting tube between described inner core and pipe handle, fixation kit is passed through in the stage casing of described position-limiting tube
Being fixed together with braiding pipe network near-end and pipe handle far-end, the far-end of described position-limiting tube is free end.
Described handle is provided with limit sliding chutes, is equipped with push handle in described limit sliding chutes；Described inner core is near
End is inserted in the installation tube chamber of handle, and inner core fixes with handle；Described pipe sleeve is connected to inner core
Outside, and in pipe handle proximal end is inserted in the installation tube chamber of handle and fix with push handle.
Described push handle is provided with push handle pushing block, is provided with slider bar, in described slip below described push handle pushing block
Both side edges below bar is respectively provided with the push handle limiting section of an arc, and the lower edge of each push handle limiting section is distinguished again
It is provided with push handle limited block；Described pipe handle proximal end is provided with stopper slot；Described push handle limited block is embedded in spacing
In groove, described push handle limiting section is attached at the dorsal part of pipe handle.
Described handle proximate end end face is provided with limited cover；Described limited cover is provided with limited cover bonnet, described
Limited cover bonnet inwall be provided with inner core fixed groove；Described inner core proximal end is provided with inner core and fixes ball；
Described inner core fixes ball and inner core fixed groove matches so that inner core fixes with handle.
Described limited cover inwall is provided with limited cover and installs tooth, and described handle proximate end is provided with limited cover installing hole,
Described limited cover is installed tooth and is inserted in limited cover installing hole.
Described membrane structure coverage is at least straight to the maximum during state of use from weaving pipe network far-end
At footpath.
Described inner core far-end is provided with flexible end.
Described inner core is a hollow pipe.
During duty, the maximum gauge of described braiding pipe network is more than or equal to 5 millimeters, less than or equal to 30mm；
The a length of of maximum gauge section is more than 0 millimeter, less than or equal to 10mm.
The invention has the advantages that:
1, the lacing formula ureteral calculus of the present invention stops extractor, and its plug is with membrane structure
Braiding pipe network, its shape is controlled to tubulose, fusiformis, far-end are half fusiformis and near-end is umbrella or umbrella
Shape, in use, its shape is controllably, it is simple to insert ureter, and calculus will not be promoted to kidney
Drive in the wrong direction and cause ureter wall to damage；Braiding pipe network itself is difficult to deformation, and membrane structure is by braiding pipe network
Excellent support is not easy to deform upon, and the periphery that can in good time adjust braiding pipe network according to patient ureter is straight
Footpath, realizes blocking completely and avoiding damage to ureter wall all the time；For fortuitous events such as Incarcerated stone, can and
Time solve.
2, the lacing formula ureteral calculus of the present invention stops extractor, is provided with position-limiting tube, and limited cover, pushes away
The structure design of handle, pipe handle and inner core has all ensured that the shape of braiding pipe network can the most accurately be controlled.
3, the lacing formula ureteral calculus of the present invention stops extractor, its compact conformation, the design of each parts
Less demanding for preparation technology, it is practicable, the preparation technology shadow to using effect can be prevented effectively from
Ring.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the lacing formula ureteral calculus stop extractor of embodiment 1.
Accompanying drawing 2 is the structural representation of the handle of embodiment 1.
Accompanying drawing 3 is the structural representation of the push handle of embodiment 1.
Accompanying drawing 4A is the front view of the limited cover of embodiment 1.
Accompanying drawing 4B is the C-C sectional view of Fig. 4 A.
Accompanying drawing 4C is the right view of the limited cover of embodiment 1.
Accompanying drawing 5 is the installation diagram of the lacing formula ureteral calculus stop extractor of embodiment 1.
Accompanying drawing 6 is the partial enlarged drawing of A in Fig. 5.
Accompanying drawing 7 is that the lacing formula ureteral calculus of embodiment 1 stops that the first use state of extractor is illustrated
Figure.
Accompanying drawing 8 is that the lacing formula ureteral calculus of embodiment 1 stops that the second of extractor uses state signal
Figure.
Accompanying drawing 9 is that the lacing formula ureteral calculus of embodiment 1 stops that the third use state of extractor is illustrated
Figure.
Accompanying drawing 10 is the core arrangement schematic diagram of embodiment 2.
Accompanying drawing 11 is the braided tube web frame schematic diagram of embodiment 3.
Accompanying drawing 12 is that the lacing formula ureteral calculus of embodiment 4 stops that the first use state of extractor is shown
It is intended to.
Accompanying drawing 13 is that the lacing formula ureteral calculus of embodiment 4 stops that the second of extractor uses state to show
It is intended to.
Detailed description of the invention
Present inventor possesses abundant this area research experience, it is possible to recognize in operation process exist or
The fine defects being likely to occur, and the most effectively solve, complete the present invention on this basis.
The detailed description of the invention provided the present invention below in conjunction with the accompanying drawings elaborates.
The reference and the ingredient that relate in accompanying drawing are as follows:
1. handle, 11. limited covers, 111. limited cover bonnets, 112. inner core fixed grooves, 113. limited covers are installed
Tooth, 12. push handle installing holes, 13. limit sliding chutes, 14. installation tube chambers, 15. limited cover installing holes, 16. push handle,
161. push handle pushing blocks, 162. slider bars, 163. push handle limiting sections, 164. push handle limited blocks
2. pipe handle, 21. stopper slots
3. braiding pipe network, 31. tinsels, 32. membrane structures, 33. fixation kits, 34. position-limiting tubes
4. inner core, 41. inner cores fix ball, 42. flexible ends
Embodiment 1
Refer to the lacing formula ureteral calculus that Fig. 1, Fig. 1 are embodiments 1 and stop the structural representation of extractor
Figure.Described lacing formula ureteral calculus stops that extractor is provided with handle 1, pipe handle 2, braiding pipe network 3 and
Inner core 4.Described handle 1 proximal face is provided with limited cover 11.
Refer to the structural representation that Fig. 2, Fig. 2 are the handles of embodiment 1.Described handle 1 dorsal part sets
Push handle installing hole 12 and limit sliding chutes 13, described push handle installing hole 12 is had to be positioned at the near of limit sliding chutes 13
End and the two company of passing through mutually.Handle 1 is provided with the installation tube chamber 14 proximally and distally connected.Handle 1 near-end is carried on the back
Side is provided with two limited cover installing holes 15, and two described limited cover installing holes 15 are relative to limit sliding chutes 13
Axial direction is symmetrical.
Refer to Fig. 1 again, in the limit sliding chutes 13 of described handle 1, be equipped with push handle 16.Specifically please join
See that Fig. 3, Fig. 3 are the structural representations of the push handle of embodiment 1.Described push handle 16 is provided with push handle pushing block
161, it is provided with slider bar 162 below described push handle pushing block 161, the both sides below described slider bar 162
Edge is respectively provided with the push handle limiting section 163 of an arc, and the lower edge of each push handle limiting section 163 is respectively equipped with again
Push handle limited block 164, described push handle limited block 164 is cylindric, and its short transverse is perpendicular to push handle and pushes away
The plane at block 161 veutro place.
Referring to Fig. 4 A, Fig. 4 B, Fig. 4 C, Fig. 4 A is the front view of the limited cover of embodiment 1, figure
4B is the C-C sectional view of Fig. 4 A, and Fig. 4 C is the right view of the limited cover of embodiment 1.Described is spacing
Covering 11 near-ends is to close, and is provided with limited cover bonnet 111, and described limited cover bonnet 111 inwall central authorities set
There is inner core fixed groove 112.The inwall of limited cover 11 dorsal part is provided with two limited covers and installs tooth 113.
Refer to the lacing formula ureteral calculus that Fig. 5, Fig. 5 are embodiments 1 and stop the installation diagram of extractor.
Described pipe handle 2 is hollow pipe, and its near-end is provided with annular stopper slot 21, and (can be found in Fig. 6, Fig. 6 is figure
The partial enlarged drawing of A in 5).Described inner core 4 proximal end is provided with inner core and fixes ball 41 and (can be found in figure
6, Fig. 6 is the partial enlarged drawing of A in Fig. 5), inner core 4 far-end is provided with flexible end 42, and described is soft
Property end 42 is blunt nosed flexible structure.
During assembling, two limited covers of described limited cover 11 are installed tooth 113 and are respectively inserted into handle 1
In two limited cover installing holes 15 so that described limited cover bonnet 111 closes the near-end end of handle 1
Face；Described inner core 4 near-end is inserted in the installation tube chamber 14 of handle 1, and inner core is fixed ball 41 and assembled
In the inner core fixed groove 112 of limited cover 11 so that inner core 4 is relatively fixed with handle 1；Described
Pipe handle 2 is socketed on the outside of inner core 4, and pipe handle 2 near-end is inserted in the installation tube chamber 14 of handle 1；
Described push handle 16 is assemblied in push handle installing hole 12, and the push handle limited block 164 of push handle 16 is embedded in pipe
In the stopper slot 21 of handle 2 so that pipe handle 2 is relatively fixed with push handle 16, push handle limiting section 163 is attached at
The dorsal part of pipe handle 2, slider bar 162 can move in limit sliding chutes 13, and then can when push handle 16 moves
Pipe handle 2 is driven to slide relative to inner core 4.
The described tubular reticulum that braiding pipe network 3 is some one metal wire 31 interlacings, weaves pipe network 3
On be covered with membrane structure 32.Braiding pipe network 3 two ends are fixed on pipe handle 2 far-end by fixation kit 33 respectively
With on the flexible end 42 of inner core 4.Position-limiting tube 34 it is arranged with, tool between described inner core 4 and pipe handle 2
Body ground, described position-limiting tube 34 stage casing is by fixation kit 33 and braiding pipe network 3 proximal end and pipe handle
2 distal tip are fixed together, and the far-end of position-limiting tube 34 is free end；Described inner core 4 and position-limiting tube
34 can slide relatively.
Based on above structure, slided by relative between push-and-pull push handle 16 controlled tubulation handle 2 and inner core 4,
Thus drive braiding pipe network 3 to do stretching motion.When proximally pulling push handle 16, can be by braiding pipe network 3
Pulling into diameter minimum, length long status, this state is that instrumentation uses state；When pushing away to far-end
During handle 16, braiding pipe network 3 can push into the use state of apparatus, the first use state is fusiformis (ginseng
See Fig. 7, Fig. 7 be embodiment 1 lacing formula ureteral calculus stop extractor the first use state show
It is intended to), as continued to promote push handle 16 to far-end, then described braiding pipe network 3 change of shape is that the second makes
It is half fusiformis, proximate direction depression formation umbrella and the most maximum chi of existence by state, i.e. far-end
Very little position is one section and (sees the lacing formula ureteral calculus that Fig. 8, Fig. 8 are embodiments 1 and stop extractor
The second use view), or described braiding pipe network 3 change of shape be the third use shape
State, i.e. umbrella and existence radially maximum sized position is only a point, and (seeing Fig. 9, Fig. 9 is embodiment
The lacing formula ureteral calculus of 1 stops the third use view of extractor)；When push handle 16 is to far
After end is pushed to a certain degree, owing to position-limiting tube 34 is inconsistent with fixation kit 33, push handle 16 is moved
It is restricted, and then limits the shape of braiding pipe network 3.
It should be noted that herein, it is stipulated that instrument handle end is near-end, and the other end is far-end.Described " the back of the body
Side " when being instrumentation state towards the side of surface, court when described " veutro " is instrumentation state
To the side of underface.
The radical of described tinsel 31 is the integer between 4～200, braiding pipe network 3 can by etc.
Diameter metal silk or two kinds and the interval braiding of two or more diameter metal silk form, and can have multiple type of weave.
Described fixation kit 33 can be annular thin wall metal tube, can be the tube that is entwined of fine wire,
It is alternatively binding agent, but is not limited only to this, as long as corresponding assembly can be fixed.Described membrane structure 32
Braiding pipe network 3 outer surface, inner surface can be placed in or be between tinsel 31.By arranging push handle 16
Range of movement, as arranged length or the length of limit sliding chutes 13 of position-limiting tube 34, can will weave pipe network
3 are moulded different shapes.Described pipe handle 2 is hollow and thin-walled pipe, and material can be metal, plastics, high score
Sub-material, polymer etc..The described inner core 4 part in addition to flexible end 42 can be rigid metal bar
Or hollow metal pipe structure.
Described fixation kit 33, position-limiting tube 34 and pipe handle 2, the assembling woven between pipe network 3, inner core 4
Mode in preparation technology for all possess extremely strong actual operability, the quality of preparation technology will not be to device
Tool using effect produces significantly impact.Described braiding pipe network 3 weaves as some one metal wires 31
Tubular reticulum, its shape can be controlled by push handle 16, have an advantage in that: first aspect, it is simple to device
The placement of tool, in placement process will not deformation, do not easily cause calculus displacement；Second aspect, membrane structure
32, under the support of braiding pipe network 3, will not irrigate because of current, calculus is touched and shape is occurred during dragging
Become, be difficult to omit calculus and Incarcerated stone occurs；The third aspect, braiding pipe network 3 shape be always tubulose,
Fusiformis, far-end are half fusiformis and near-end is umbrella or umbrella, and under use state, periphery is always circular, with
Ureter shape can be agreed with well, it is achieved blocks completely；Wherein, pipe network is woven under the second use state
3 existence radially maximum sized position is one section, and plugging effect is more preferable；Described braiding pipe network 3 presents
Two kinds use state or the third use state by the distance etc. of radical, length and the propelling movement of tinsel 31
Factor determines, its shape is controlled in a word, and within ensureing it radially full-size being 5-30mm with
Ureter wall fits tightly, and the length weaving pipe network 3 maximum gauge section under use state is preferably greater than
0 millimeter, less than or equal to 10mm；Fourth aspect, when something unexpected happened such as Incarcerated stone, can be timely
Regulation braiding pipe network 3 outer circumference diameter, quickly to solve problem, prevents from ureter wall is caused damage, such as closure
Complete or time braiding pipe network 3 outer circumference diameter is excessive, it is possible to adjust in good time.Described membrane structure 32 covers
Scope is at least at the maximum gauge when braiding pipe network 3 far-end to the state of use, i.e. overlay film scope is at least covered
The upper semisection of lid braiding pipe network 3, ensures when apparatus is in use state in ureter with this, to defeated
In urinary catheter during water filling, after water runs into braiding pipe network 3 membrane structure 32 above, due to drag effect to
Ureter flowing underneath, the i.e. effect of membrane structure 32 are the directions changing current so that current can be wrapped up in
Hold calculus chip under the arm to discharge to intravesical, and membrane structure 32 is under the support of braiding pipe network 3, its shape
Also it is controlled and be difficult to deformation, and fits with ureter wall, and then realize closure completely and disposably take
Stone, will not omit rubble.The flexible end 42 of described inner core 4 can improve apparatus when inserting in ureter
By performance, and reduce collateral damage probability.
The structure design of described limited cover 11 and limited cover installing hole 15 ensure that the two can stably be fixed.
Described inner core fixed groove 112 and inner core are fixed the structure design of ball 41 and be ensure that handle 1 and inner core 4
Can stably fix.The push handle limiting section 163 of described push handle 16, push handle limited block 164 and the back of the body of pipe handle 2
Side and stopper slot 21 match, its simple in construction, and can ensure that pipe handle 2 and push handle 16 are stable fixing.
Described position-limiting tube 34 can limit the shape of braiding pipe network 3, and will braiding pipe network 3 proximal end and pipe handle 2
Distal tip is fixed on the middle section position of position-limiting tube 34, and described " stage casing " refers to that position-limiting tube 34 removes near-end
The section of 1/3 in the middle of end and the section of distal tip, preferably position-limiting tube 34, so in the mistake pushed
Cheng Zhongke ensures that position-limiting tube 34 keeps translation, it is to avoid trickle deflection occur.The design of above structure all makes
The compact conformation of apparatus of the present invention, and further ensure that the shape of braiding pipe network 3 can the most accurately be controlled
System.
The lacing formula ureteral calculus of the present invention stops that the using method of extractor is as follows: ureteroscope lithotrity
Time, insert endoscope in advance, find calculus, if strangulated calculus, can first introduce laser fiber by calculus
Partial crushing, to being advisable by apparatus of the present invention, if non-strangulated calculus, can i.e. introduce apparatus of the present invention；
The lacing formula ureteral calculus first taking the present invention apart stops the packaging of dispatching from the factory of extractor, hand-held handle 1, Xiang Jin
End pulls push handle 16, and braiding pipe network 3 pulls into diameter minimum, the length i.e. instrumentation of long status use shape
State；The flexible end 42 of inner core 4 is inserted in endoscopic working channel, under endoscope's direct-view guides,
Make apparatus walk around calculus and arrive above calculus, then promote push handle 16 to be pushed away by braiding pipe network 3 to far-end
Become the use state of apparatus；If calculus fragment appropriate diameter is got rid of to intravesical in ureter, then can pass through
Endoscopic working channel is water filling in ureter, and proximally drags the lacing formula ureteral calculus resistance of the present invention
Gear extractor, perfusion current constantly impact the membrane structure 32 in braiding pipe network 3, and calculus fragment is dammed also
Backwashing downwards, now current sweep along calculus fragment, are finally dragged to intravesical；If calculus crumb size
Relatively big, also need to be further introduced into laser and crush, then can be successively by the limited cover 11 on handle and push handle
16 dismantle, separated with inner core 4 and pipe handle 2 to realize handle 1 body, assistant assist and fix this
Invention apparatus position in vivo is not moved, patient ureteroscope is withdrawn from external after the most successively by inner core
4 insert handle with pipe handle 2, load onto push handle 16, finally load onto limited cover 11, after apparatus assembles, push away
Push handle 16 on fixed handle 1 is in sealed condition to braiding webmaster 3, then row inserts ureteroscope, introduces
Optical fiber carries out rubble operation, after calculus is completely broken, withdraws from laser fiber, repeats above-mentioned water filling with downwards
Drag the operation of closure apparatus, until calculus is gone out completely to intravesical.In operating process, as tied
The fortuitous event of stone incarceration, can regulate push handle 16 in time and alleviate problem with regulation braiding pipe network 3 shape,
And can adjust according to patient ureter week footpath in good time the outer circumference diameter of braiding pipe network 3 with realize tight laminating and
Ureter wall is not caused damage.
The lacing formula ureteral calculus of the present invention stops that extractor shape can the most accurately be controlled, it is easy to put
Enter ureter, calculus will not be promoted to drive in the wrong direction to kidney and cause ureter wall to damage, and shape can be adjusted in good time
To block ureter completely, effectively prevent calculus and stone debris to be poured in current refunds kidney, be not susceptible to
The situation of Incarcerated stone, drags and takes stone process and be unlikely to deform and rub ureter wall, can disposably take out all
Calculus, reaches efficient calculus removing purpose.
The lacing formula ureteral calculus of the present invention stop extractor cannot be only used for ureteral calculus closure and
Removing, the closure and the foreign body that apply also for other body cavitys remove, and include but not limited to following application: be used for
The closure of renal calculus and removing, the closure of vascular thrombosis and removing, blood vessel puncture closure hemostasis, body cavity is different
The closure of thing and removing such as the process of foreign body in trachea, intestinal.
Embodiment 2
The lacing formula ureteral calculus of the present embodiment stops extractor and the lacing formula ureter described in embodiment 1
Stone barrier extractor is essentially identical, and difference is that (seeing Figure 10, Figure 10 is the interior of embodiment 2
Cored structure schematic diagram): described inner core 4 is a homogenizing hollow pipe, i.e. starts to inner core 4 from inner core 4 far-end
The inner core of near-end fixes ball 41, and its central authorities are provided with through cavity.The program needs to coordinate other in use
Seal wire can be fixed ball 41 side from inner core and insert as guide instrument, seal wire, expose to inner core 4 far-end and lead
Silk is advisable.
Embodiment 3
The lacing formula ureteral calculus of the present embodiment stops extractor and the lacing formula ureter described in embodiment 1
Stone barrier extractor is essentially identical, and difference is (to see the volume that Figure 11, Figure 11 are embodiments 3
Knit pipe network structure schematic diagram): described braiding pipe network 3 is spindle shape structure when the first uses state,
I.e. central section is a cylinder, and this cylindrical outer circumference diameter is maximum.The braiding pipe network of this kind of shape
3 have longer diameter maximum section, preferably can fit tightly with ureter wall, obtain the most broken
Stone retains and prevents Incarcerated stone effect.
Embodiment 4
Referring to Figure 12 and 13, Figure 12 is that the lacing formula ureteral calculus of embodiment 4 stops the of extractor
A kind of using view, Figure 13 is that the lacing formula ureteral calculus of embodiment 4 stops the of extractor
Two kinds use view.The lacing formula ureteral calculus of the present embodiment stops extractor and embodiment 1 institute
The lacing formula ureteral calculus stated stops that extractor is essentially identical, and difference is: described braiding pipe network
The tinsel 31 of 3 near-end sides weaves for skew crossing, and some tinsels 31 therein extend to far-end
Side and adjacent wire 31 are mutually wound around, and finally its far-end is gathered together, i.e. described braided tube
Its tinsel 31 of net 3 by near-end skew crossing weave transit to far-end by more than two tinsel 31 phases
It is wound around the form supported mutually.Described membrane structure 32 is overlying on the far-end side of braiding pipe network 3.Use shape
Under state, when driving handle, whole braiding pipe network 3 can i.e. the first uses state, described volume in fusiformis
The near-end side knitting pipe network 3 also can be pushed further into the inside of far-end side, present far-end be half fusiformis,
Near-end is the form of umbrella.Advantage of this embodiment is that, the braiding pipe network 3 of far-end side is due to its metal
Silk 31 is mutually to be wound around, and therefore possesses higher distracting force, thus is more conducive to keep envelope in ureter
Stifled shape, reaches more preferable plugging effect.
The above is only the preferred embodiment of the present invention, it is noted that common for the art
Technical staff, on the premise of without departing from the inventive method, it is also possible to makes some improvement and supplements, these
Improve and supplement and also should be regarded as protection scope of the present invention.
Claims (12)
1. a lacing formula ureteral calculus stops extractor, it is characterised in that be provided with handle, Guan Bing, volume
Knitting pipe network and inner core, the described tubular reticulum that braiding pipe network is the braiding of some one metal wires and far-end are covered with
Membrane structure, braiding pipe network two ends are fixed on pipe handle far-end and inner core by fixation kit respectively；Described
Braiding pipe network does stretching motion under the drive of pipe handle, and the use state of described braiding pipe network is fusiformis, remote
End is half fusiformis and near-end is umbrella or umbrella.
Lacing formula ureteral calculus the most according to claim 1 stops extractor, it is characterised in that institute
The tinsel stated is skew crossing braiding；Or the tinsel of near-end side is skew crossing braiding, and wherein
Some wire elongation be mutually wound around to far-end side and adjacent wire, finally its far-end converges in one
Rise.
Lacing formula ureteral calculus the most according to claim 1 stops extractor, it is characterised in that institute
The radical wiry stated is the integer between 4～200, and described braiding pipe network can be by equal diameter gold
Belong to silk or two kinds and the interval braiding of two or more diameter metal silk forms.
Lacing formula ureteral calculus the most according to claim 1 stops extractor, it is characterised in that institute
Being arranged with position-limiting tube between inner core and the pipe handle stated, fixation kit and braiding are passed through in the stage casing of described position-limiting tube
Pipe network near-end and pipe handle far-end are fixed together, and the far-end of described position-limiting tube is free end.
Lacing formula ureteral calculus the most according to claim 1 stops extractor, it is characterised in that institute
The handle stated is provided with limit sliding chutes, is equipped with push handle in described limit sliding chutes；Described inner core near-end inserts
In the installation tube chamber of handle, and inner core fixes with handle；Described pipe sleeve is connected to the outside of inner core,
And in pipe handle proximal end is inserted in the installation tube chamber of handle and fix with push handle.
Lacing formula ureteral calculus the most according to claim 5 stops extractor, it is characterised in that institute
The push handle stated is provided with push handle pushing block, is provided with slider bar, below described push handle pushing block below described slider bar
Both side edges be respectively provided with the push handle limiting section of an arc, the lower edge of each push handle limiting section is respectively equipped with again and pushes away
Handle limited block；Described pipe handle proximal end is provided with stopper slot；Described push handle limited block is embedded in stopper slot,
Described push handle limiting section is attached at the dorsal part of pipe handle.
Lacing formula ureteral calculus the most according to claim 1 stops extractor, it is characterised in that institute
The handle proximate end end face stated is provided with limited cover；Described limited cover is provided with limited cover bonnet, and described is spacing
Lid bonnet inwall is provided with inner core fixed groove；Described inner core proximal end is provided with inner core and fixes ball；Described
Inner core fixes ball and inner core fixed groove matches so that inner core fixes with handle.
Lacing formula ureteral calculus the most according to claim 7 stops extractor, it is characterised in that institute
The limited cover inwall stated is provided with limited cover and installs tooth, and described handle proximate end is provided with limited cover installing hole, described
Limited cover install tooth be inserted in limited cover installing hole.
Lacing formula ureteral calculus the most according to claim 1 stops extractor, it is characterised in that institute
The membrane structure coverage stated is at least at the maximum gauge when braiding pipe network far-end to the state of use.
Lacing formula ureteral calculus the most according to claim 1 stops extractor, it is characterised in that
Described inner core far-end is provided with flexible end.
11. lacing formula ureteral calculus according to claim 1 stop extractor, it is characterised in that
Described inner core is a hollow pipe.
12. lacing formula ureteral calculus according to claim 1 stop extractor, it is characterised in that
During duty, the maximum gauge of described braiding pipe network is more than or equal to 5 millimeters, less than or equal to 30mm；
The a length of of maximum gauge section is more than 0 millimeter, less than or equal to 10mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507410.8A CN110251202B (en) | 2016-04-27 | 2016-04-27 | Braided wire type ureteral calculus blocking extractor |
| CN201610268545.XA CN105852933B (en) | 2016-04-27 | 2016-04-27 | A kind of lacing formula ureteral calculi blocking extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268545.XA CN105852933B (en) | 2016-04-27 | 2016-04-27 | A kind of lacing formula ureteral calculi blocking extractor |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507410.8A Division CN110251202B (en) | 2016-04-27 | 2016-04-27 | Braided wire type ureteral calculus blocking extractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105852933A true CN105852933A (en) | 2016-08-17 |
| CN105852933B CN105852933B (en) | 2019-07-26 |
Family
ID=56629344
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610268545.XA Active CN105852933B (en) | 2016-04-27 | 2016-04-27 | A kind of lacing formula ureteral calculi blocking extractor |
| CN201910507410.8A Expired - Fee Related CN110251202B (en) | 2016-04-27 | 2016-04-27 | Braided wire type ureteral calculus blocking extractor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507410.8A Expired - Fee Related CN110251202B (en) | 2016-04-27 | 2016-04-27 | Braided wire type ureteral calculus blocking extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105852933B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025356A (en) * | 2019-04-11 | 2019-07-19 | 马路平 | Multi-functional uriniferous pipe seal wire |
| CN110720969A (en) * | 2019-10-17 | 2020-01-24 | 深圳泰睿仕医疗科技有限公司 | Disposable minimally invasive dilation drainage kit |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5817104A (en) * | 1997-04-30 | 1998-10-06 | C.R. Bard, Inc. | Dual purpose mechanism for expanding baskets |
| US6183482B1 (en) * | 1997-10-01 | 2001-02-06 | Scimed Life Systems, Inc. | Medical retrieval basket with legs shaped to enhance capture and reduce trauma |
| US20030109889A1 (en) * | 2001-12-12 | 2003-06-12 | Steve Mercereau | Articulating stone basket |
| WO2003090607A3 (en) * | 2002-04-25 | 2003-12-24 | Ev3 | Vascular protection devices and methods of use |
| US7326220B1 (en) * | 2003-09-02 | 2008-02-05 | University Of South Florida | Tool for removing intraocular foreign bodies |
| US20100191224A1 (en) * | 2008-12-15 | 2010-07-29 | C.R. Bard, Inc. | Magnetic detent mechanism for medical instruments |
| CN201743733U (en) * | 2010-08-30 | 2011-02-16 | 山东百多安医疗器械有限公司 | Membrane-covered interception reticular basket device |
| CN102973332A (en) * | 2012-11-23 | 2013-03-20 | 杭州启明医疗器械有限公司 | Thrombus filter and using method thereof |
| CN103654923A (en) * | 2012-09-19 | 2014-03-26 | 上海微创医疗器械（集团）有限公司 | Support system capable of preventing bone cement leakage and application thereof |
| CN104095667A (en) * | 2014-07-15 | 2014-10-15 | 中国人民解放军第二军医大学 | Covered basket type ureteral calculus blockage extractor |
| US8911449B2 (en) * | 2004-09-15 | 2014-12-16 | Boston Scientific Scimed, Inc. | Atraumatic medical device |
| WO2015072394A1 (en) * | 2013-11-12 | 2015-05-21 | オリンパスメディカルシステムズ株式会社 | Basket-type grasping forceps |
| CN204542289U (en) * | 2015-04-16 | 2015-08-12 | 王永滨 | A kind of Urology Surgery ureter stone taking device with shutoff function |
| CN205041565U (en) * | 2015-10-12 | 2016-02-24 | 吴学志 | Vena cave thrombus extractor |
| CN205994544U (en) * | 2016-04-27 | 2017-03-08 | 中国人民解放军第二军医大学 | Lacing formula ureteral calculus stops extractor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100323A (en) * | 1986-02-16 | 1987-06-24 | 李亚林 | The double balloon catheter of treatment ureteral calculus |
| JP2001212152A (en) * | 2000-02-07 | 2001-08-07 | Ir:Kk | Shape memory alloy wire therapeutic equipment for tube lesioned part |
| US8647359B2 (en) * | 2002-01-10 | 2014-02-11 | Boston Scientific Scimed, Inc. | Distal protection filter |
| WO2009150920A1 (en) * | 2008-06-09 | 2009-12-17 | 株式会社パイオラックスメディカルデバイス | Medical treatment tool for tubular organs |
| KR102044570B1 (en) * | 2012-01-04 | 2019-12-05 | 라피드 메디칼 리미티드 | Braided devices for assisting medical treatments |
| JP6463132B2 (en) * | 2012-01-17 | 2019-01-30 | パーフロー メディカル リミテッド | Device for removing obstructions |
-
2016
- 2016-04-27 CN CN201610268545.XA patent/CN105852933B/en active Active
- 2016-04-27 CN CN201910507410.8A patent/CN110251202B/en not_active Expired - Fee Related
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5817104A (en) * | 1997-04-30 | 1998-10-06 | C.R. Bard, Inc. | Dual purpose mechanism for expanding baskets |
| US6183482B1 (en) * | 1997-10-01 | 2001-02-06 | Scimed Life Systems, Inc. | Medical retrieval basket with legs shaped to enhance capture and reduce trauma |
| US20030109889A1 (en) * | 2001-12-12 | 2003-06-12 | Steve Mercereau | Articulating stone basket |
| WO2003090607A3 (en) * | 2002-04-25 | 2003-12-24 | Ev3 | Vascular protection devices and methods of use |
| US7326220B1 (en) * | 2003-09-02 | 2008-02-05 | University Of South Florida | Tool for removing intraocular foreign bodies |
| US8911449B2 (en) * | 2004-09-15 | 2014-12-16 | Boston Scientific Scimed, Inc. | Atraumatic medical device |
| US20100191224A1 (en) * | 2008-12-15 | 2010-07-29 | C.R. Bard, Inc. | Magnetic detent mechanism for medical instruments |
| CN201743733U (en) * | 2010-08-30 | 2011-02-16 | 山东百多安医疗器械有限公司 | Membrane-covered interception reticular basket device |
| CN103654923A (en) * | 2012-09-19 | 2014-03-26 | 上海微创医疗器械（集团）有限公司 | Support system capable of preventing bone cement leakage and application thereof |
| CN102973332A (en) * | 2012-11-23 | 2013-03-20 | 杭州启明医疗器械有限公司 | Thrombus filter and using method thereof |
| WO2015072394A1 (en) * | 2013-11-12 | 2015-05-21 | オリンパスメディカルシステムズ株式会社 | Basket-type grasping forceps |
| CN104095667A (en) * | 2014-07-15 | 2014-10-15 | 中国人民解放军第二军医大学 | Covered basket type ureteral calculus blockage extractor |
| CN204542289U (en) * | 2015-04-16 | 2015-08-12 | 王永滨 | A kind of Urology Surgery ureter stone taking device with shutoff function |
| CN205041565U (en) * | 2015-10-12 | 2016-02-24 | 吴学志 | Vena cave thrombus extractor |
| CN205994544U (en) * | 2016-04-27 | 2017-03-08 | 中国人民解放军第二军医大学 | Lacing formula ureteral calculus stops extractor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025356A (en) * | 2019-04-11 | 2019-07-19 | 马路平 | Multi-functional uriniferous pipe seal wire |
| CN110720969A (en) * | 2019-10-17 | 2020-01-24 | 深圳泰睿仕医疗科技有限公司 | Disposable minimally invasive dilation drainage kit |
| CN110720969B (en) * | 2019-10-17 | 2021-01-15 | 深圳泰睿仕医疗科技有限公司 | Disposable minimally invasive dilation drainage kit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110251202A (en) | 2019-09-20 |
| CN105852933B (en) | 2019-07-26 |
| CN110251202B (en) | 2021-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10232150B2 (en) | Body cavity drainage devices and related methods | |
| EP4233758A2 (en) | Medical device | |
| CN104941015B (en) | Three chamber negative pressure wound irrigation drainage tubes | |
| CN112842468B (en) | Calculus removing device for hepatobiliary surgery | |
| CN104095665A (en) | Membrane type ureteral calculus blocking removal machine | |
| EP3143952B1 (en) | Irregularly-shaped balloon-type ureteral stone blockage extractor | |
| CN106264664A (en) | Thread associating Wicresoft of halieutics two mirror protects the liver liver inside and outside bile duct stone rubble lithotomy | |
| CN102151167A (en) | Multi-channel single-hole laparoscopic puncture outfit | |
| CN206167590U (en) | PTCD tube in biliary tract | |
| CN105852933A (en) | Lacing type ureteral stone blocking dislodger | |
| CN205994544U (en) | Lacing formula ureteral calculus stops extractor | |
| CN206543217U (en) | A kind of ureter rack tube displacement apparatus | |
| CN204863367U (en) | Catheter dredge | |
| CN203988234U (en) | Membrane type ureter stone taking device | |
| CN205994536U (en) | Diaphragm type body cavity obstruction appliance | |
| CN204637260U (en) | A kind of ureter guiding sheath | |
| CN105748127B (en) | A kind of diaphragm type body cavity obstruction appliance | |
| CN205144658U (en) | Ureteral calculi removes plugging device | |
| CN109998610A (en) | A kind of surgery of congenital heart disease interventional therapy conveying device | |
| CN205612521U (en) | Blood vessel intracavity thrombus collecting system | |
| CN202128737U (en) | Anal tube for treatment of anorectal diseases | |
| CN211355716U (en) | Disposable stone-taking basket | |
| CN102614573A (en) | Urethra catheter for expansion of urethral canal and manufacturing method thereof | |
| CN210673993U (en) | Double-window balloon adjustable multifunctional ureteral drainage device | |
| CN207666651U (en) | A kind of ureteral calculi extractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20160817 Assignee: Minimally invasive best medical technology (Shanghai) Co., Ltd. Assignor: Army Medical Univ. No.2, Chinese PLA Contract record no.: 2017310000061 Denomination of invention: Lacing type ureteral stone blocking dislodger License type: Exclusive License Record date: 20171128 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |