CN105852933B - A kind of lacing formula ureteral calculi blocking extractor - Google Patents
A kind of lacing formula ureteral calculi blocking extractor Download PDFInfo
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- CN105852933B CN105852933B CN201610268545.XA CN201610268545A CN105852933B CN 105852933 B CN105852933 B CN 105852933B CN 201610268545 A CN201610268545 A CN 201610268545A CN 105852933 B CN105852933 B CN 105852933B
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- handle
- inner core
- braiding
- pipe network
- pipe
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- 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
Abstract
The present invention relates to a kind of lacing formula ureteral calculis to stop extractor, equipped with handle, Guan Bing, braiding pipe network and inner core, the braiding pipe network is tubular reticulum made of the braiding of several one metal wires and distal end is covered with membrane structure, and braiding pipe network both ends pass through fixation kit respectively and are fixed on pipe handle distal end and inner core；The braiding pipe network does stretching motion under the drive of pipe handle, and use state is shuttle shape, is distally half shuttle shape and proximal end is umbrella or umbrella.Plug shape of the invention more rationally and accurately controls, and is unlikely to deform, is more convenient for being placed in ureter, complete closure is better achieved, and can adjust the problems such as shape is to solve Incarcerated stone in due course, and its manufacture craft is practicable.
Description
Technical field
The present invention relates to the field of medical instrument technology, specifically, being related to a kind of lacing formula ureteral calculi blocking taking-up
Device.
Background technique
Stone in urinary system disease incidence is up to 5%-10%, it is seen that in any position of kidney, bladder, ureter and urethra, with
Kidney is common with ureteral calculi.Ureteroscope lithotrity carries out rubble by human body natural's cavity, has wound small and rubble
Definite advantage is one of the essential therapeutic arsenals of current ureteral calculi.However, there is also one for ureteroscope lithotrity at present
Fixed deficiency: in 1. ureters, upper section calculus and stone debris be easy in the recoil strength refunds kidney for being poured water flow or rock breaking tool；
It is taken out 2. the intraluminal residual stone clast of ureter lacks efficiently and effectively mode.
Being blockaded by tool is to prevent ureteral calculi from being recoiled back the important means of kidney above ureteral calculi, at present
Clinically there are also ureter plugging devices, and such calculus stops tool and also has both the function of taking out calculus under normal conditions.So
And there are still certain disadvantages in actual use for these ureter plugging devices.
Such as Chinese patent literature CN 200920269281.5, day for announcing 2010.08.25, disclose a kind of compact body
Chamber plugging device, including a seal wire, a conduit, a plug that can be axially compressed, the plug is by more than two panels flat
Diaphragm constitute, the membrane surface be coated with hydrophilic coating make each diaphragm mutually bond be in it is flat, set on diaphragm axial direction
There is at least one that can pass through the lumen of seal wire, distal end and the seal wire of diaphragm are fixed, and guidewire proximal, the plug quilt of expansion are pulled
Being formed in radial directions after being compressed axially is in circumferentially distributed bolt shape plug.The utility model major advantage is relative to elder generation
The plugging device that preceding monolithic membrane is constituted, closure is more abundant, and barrier can be effectively prevent to escape from the gap of plugging device.
However, above-mentioned plugging device still has following defect: although (1) diaphragm is made of flat membrane more than two panels,
Increase compared to monolithic membrane plugging effect, however, diaphragm be originally it is radial, circumferentially distributed bolt shape envelope is formed after compression
Stifled object, certainly will there are still gaps still to have a possibility that calculus is escaped during taking out calculus in the bolt shape plug；
(2) distal end of diaphragm is fixed with seal wire, then forms bolt shape plug, the plug periphery shape being thusly-formed under seal wire drawing
Can shape be uncertain, preferably agree with urine output tube shape to block completely, effect is also uncertain；(3) it is formed by diaphragm
Bolt shape plug shape be not easy to artificially accurately control, taking cannot adjust as needed and in due course during stone, or adjustment
It is ineffective afterwards；(4) membrane surface, which is coated with hydrophilic coating, bonds each diaphragm mutually in flat, it is thus possible to not arrive in diaphragm
Bonding when up to calculus upper end between diaphragm is just destroyed and spreads out, poor controllability, and calculus shifting is easily led in placement process
Failure is placed in position, and manufacture craft for bonding each diaphragm mutually in membrane surface hydrophilic coating itself is more demanding.
Therefore, it is more rationally and controllable to need a kind of plug shape, is unlikely to deform, in order to block, adjust completely in due course
It is whole and facilitate placements, and the practicable ureteral calculi blocking extractor of manufacture craft, but also about such device at present
It has not been reported.
Summary of the invention
The purpose of the present invention is aiming at the shortcomings in the prior art, provide a kind of lacing formula ureteral calculi blocking taking-up
Device.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of lacing formula ureteral calculi blocking extractor, is equipped with handle, Guan Bing, braiding pipe network and inner core, the volume
It knits pipe network to be tubular reticulum made of the braiding of several one metal wires and be distally covered with membrane structure, weaves pipe network both ends and pass through respectively admittedly
Determine component to be fixed on pipe handle distal end and inner core；The braiding pipe network does stretching motion, the volume under the drive of pipe handle
The use state for knitting pipe network is shuttle shape, is distally half shuttle shape and proximal end is umbrella or umbrella.
The wire is skew crossing braiding；Or the wire of proximal end side is skew crossing braiding, and wherein
Several wire elongations are to distal end side and adjacent wire is mutually wound, its final distal end is gathered together.
The radical of the wire is the integer between 4~200, and the braiding pipe network can be by equal diameter gold
Belong to silk or two kinds and two or more diameter metal silks interval weaves.
Position-limiting tube is arranged between the inner core and pipe handle, the middle section of the position-limiting tube passes through fixation kit and braiding
Pipe network proximal end and pipe handle distal end are fixed together, and the distal end of the position-limiting tube is free end.
The handle is equipped with limit sliding chutes, is equipped with push handle in the limit sliding chutes；The inner core proximal end insertion
It is intracavitary in the installing pipe of handle, and inner core is mutually fixed with handle；The pipe sleeve is connected to the outside of inner core, and pipe handle proximal end is inserted
It is intracavitary and mutually fix with push handle to enter the installing pipe in handle.
The push handle is equipped with push handle pushing block, slider bar is equipped with below the push handle pushing block, below the slider bar
Both side edges be respectively provided with the push handle limiting section an of arc, the lower edge of each push handle limiting section is respectively equipped with push handle limited block again；
The pipe handle proximal end is equipped with limiting slot；The push handle limited block is embedded in limiting slot, and the push handle limiting section attaches
In the back side of pipe handle.
The handle proximate end end face is equipped with limited cover；The limited cover is equipped with limited cover rear cover, the limit
Lid rear cover inner wall is equipped with inner core fixed groove；The inner core proximal end is equipped with the fixed ball of inner core；The fixed ball of the inner core
It is matched with inner core fixed groove so that inner core is mutually fixed with handle.
The limited cover inner wall is equipped with limited cover and installs tooth, and the handle proximate end is equipped with limited cover mounting hole, described
Limited cover installation tooth be inserted in limited cover mounting hole.
The membrane structure coverage area is at least from maximum gauge when weaving pipe network distal end to use state.
The inner core distal end is equipped with flexible end.
The inner core is a hollow tube.
When working condition, the maximum gauge of the braiding pipe network is to be less than or equal to 30mm more than or equal to 5 millimeters；It is maximum straight
The length of diameter section is to be less than or equal to 10mm greater than 0 millimeter.
The invention has the advantages that:
1, lacing formula ureteral calculi of the invention stops extractor, and plug is the woven tube with membrane structure
Net, shape are controlled to tubulose, shuttle shape, distally for half shuttle shape and proximal end is umbrella or umbrella, in use,
Shape is controllably, convenient for merging ureter, not will push calculus and drive in the wrong direction to kidney and ureter wall is caused to damage；Weave pipe network
It itself is not easy deformation, membrane structure is also not susceptible to deformation by the excellent support of braiding pipe network, can be straight according to patient ureter
Diameter adjusts the outer peripheral diameter of braiding pipe network in due course, realizes always and blocks completely and avoid damage to ureter wall；For Incarcerated stone
Equal fortuitous events, can solve in time.
2, lacing formula ureteral calculi of the invention stops extractor, is equipped with position-limiting tube, and limited cover, push handle, pipe handle and
The structure design of inner core has all ensured that the shape of braiding pipe network artificially can be controlled accurately.
3, lacing formula ureteral calculi of the invention stops extractor, compact-sized, and the design of each component is for preparation
Technique is of less demanding, be it is practicable, can effectively avoid influence of the preparation process to using effect.
Detailed description of the invention
Attached drawing 1 is that the lacing formula ureteral calculi of embodiment 1 stops the structural schematic diagram of extractor.
Attached drawing 2 is the structural schematic diagram of the handle of embodiment 1.
Attached drawing 3 is the structural schematic diagram of the push handle of embodiment 1.
Attached drawing 4A is the main view of the limited cover of embodiment 1.
Attached drawing 4B is the C-C cross-sectional view of Fig. 4 A.
Attached drawing 4C is the right view of the limited cover of embodiment 1.
Attached drawing 5 is that the lacing formula ureteral calculi of embodiment 1 stops the installation diagram of extractor.
Attached drawing 6 is the partial enlarged view of A in Fig. 5.
Attached drawing 7 is that the lacing formula ureteral calculi of embodiment 1 stops the first use state diagram of extractor.
Attached drawing 8 is that the lacing formula ureteral calculi of embodiment 1 stops second of use state diagram of extractor.
Attached drawing 9 is that the lacing formula ureteral calculi of embodiment 1 stops the third use state diagram of extractor.
Attached drawing 10 is the model core arrangement schematic diagram of embodiment 2.
Attached drawing 11 is the braiding pipe network structure schematic diagram of embodiment 3.
Attached drawing 12 is that the lacing formula ureteral calculi of embodiment 4 stops the first use state diagram of extractor.
Attached drawing 13 is that the lacing formula ureteral calculi of embodiment 4 stops second of use state diagram of extractor.
Specific embodiment
Present inventor has this field research experience abundant, can appreciate that in surgical procedure and exists or may go out
Existing fine defects, and further effectively solve, the present invention is completed on this basis.
It elaborates with reference to the accompanying drawing to specific embodiment provided by the invention.
Appended drawing reference involved in attached drawing and component part are as follows:
1. handle, 11. limited covers, 111. limited cover rear covers, 112. inner core fixed grooves, 113. limited covers installation tooth, 12.
Push handle mounting hole, 13. limit sliding chutes, 14. installation lumens, 15. limited cover mounting holes, 16. push handles, 161. push handle pushing blocks, 162.
Slider bar, 163. push handle limiting sections, 164. push handle limited blocks
2. pipe handle, 21. limiting slots
3. weaving pipe network, 31. wires, 32. membrane structures, 33. fixation kits, 34. position-limiting tubes
4. inner core, the fixed ball of 41. inner cores, 42. flexible ends
Embodiment 1
Referring to Figure 1, Fig. 1 is that the lacing formula ureteral calculi of embodiment 1 stops the structural schematic diagram of extractor.Described
Lacing formula ureteral calculi stops extractor to be equipped with handle 1, Guan Bing 2, braiding pipe network 3 and inner core 4.The 1 proximal end end of handle
Face is equipped with limited cover 11.
Fig. 2 is referred to, Fig. 2 is the structural schematic diagram of the handle of embodiment 1.1 back side of handle is installed equipped with push handle
Hole 12 and limit sliding chutes 13, the push handle mounting hole 12 are located at the proximal end of limit sliding chutes 13 and the two Xiang Guanlian.Handle 1 is equipped with
The installation lumen 14 proximally and distally to connect.1 proximal end back side of handle is set there are two limited cover mounting hole 15, and described two limit
Position lid mounting hole 15 is symmetrical relative to 13 axial direction of limit sliding chutes.
Again referring to Figure 1, push handle 16 is equipped in the limit sliding chutes 13 of the handle 1.Fig. 3 specifically is referred to, Fig. 3 is
The structural schematic diagram of the push handle of embodiment 1.The push handle 16 is equipped with push handle pushing block 161, sets below the push handle pushing block 161
There is slider bar 162, the both side edges below the slider bar 162 are respectively provided with the push handle limiting section 163 an of arc, each push handle
The lower edge of limiting section 163 is respectively equipped with push handle limited block 164 again, and the push handle limited block 164 is cylindric, short transverse
Perpendicular to the plane where 161 veutro of push handle pushing block.
The main view that Fig. 4 A, Fig. 4 B, Fig. 4 C, Fig. 4 A are the limited covers of embodiment 1 is referred to, Fig. 4 B is that the C-C of Fig. 4 A is cutd open
View, Fig. 4 C are the right views of the limited cover of embodiment 1.11 proximal end of limited cover be it is closed, be equipped with limited cover rear cover
111, the 111 inner wall center of limited cover rear cover is equipped with inner core fixed groove 112.There are two the inner wall of 11 back side of limited cover is set
Limited cover installs tooth 113.
Fig. 5 is referred to, Fig. 5 is that the lacing formula ureteral calculi of embodiment 1 stops the installation diagram of extractor.The pipe handle
2 be hollow tube, and proximal end is equipped with the limiting slot 21 (reference can be made to partial enlarged view that Fig. 6, Fig. 6 are A in Fig. 5) of annular.Described
4 proximal end of inner core is equipped with inner core and fixes ball 41 (reference can be made to partial enlarged view that Fig. 6, Fig. 6 are A in Fig. 5), and 4 distal end of inner core is set
Flexible end 42, the flexible end 42 are blunt nosed flexible structure.
When assembly, two limited covers installation tooth 113 of the limited cover 11 is respectively inserted into two limited covers of handle 1
In mounting hole 15, so that the limited cover rear cover 111 closes the proximal face of handle 1；4 proximal end of inner core is inserted in
In the installation lumen 14 of handle 1, and the fixed ball 41 of inner core is assemblied in the inner core fixed groove 112 of limited cover 11, so that inner core 4
It is relatively fixed with handle 1；The pipe handle 2 is socketed on the outside of inner core 4, and 2 proximal end of pipe handle is inserted in the installation lumen of handle 1
In 14；The push handle 16 is assemblied in push handle mounting hole 12, and the push handle limited block 164 of push handle 16 is embedded in the limit of pipe handle 2
In slot 21, so that pipe handle 2 and push handle 16 are relatively fixed, push handle limiting section 163 is attached at the back side of pipe handle 2, and slider bar 162 can be
It is moved in limit sliding chutes 13, and then pipe handle 2 can be driven to slide relative to inner core 4 when push handle 16 is mobile.
The braiding pipe network 3 is tubular reticulum made of several one metal wires 31 are cross-woven, and weaves and is covered with film on pipe network 3
Shape structure 32.Braiding 3 both ends of pipe network pass through fixation kit 33 respectively and are fixed on the flexible end 42 of 2 distal end of pipe handle and inner core 4.
It is arranged with position-limiting tube 34 between the inner core 4 and pipe handle 2, specifically, 34 middle section of position-limiting tube passes through fixation kit 33
It is fixed together with braiding 3 proximal end of pipe network and 2 distal tip of pipe handle, the distal end of position-limiting tube 34 is free end；Described
Inner core 4 and position-limiting tube 34 can opposite slidings.
Based on the above structure, by sliding opposite between the push-and-pull controllable tubulation handle 2 of push handle 16 and inner core 4, to drive volume
It knits pipe network 3 and does stretching motion.When proximally pulling push handle 16, braiding pipe network 3 can be pulled into diameter minimum, length longest shape
State, the state are instrumentation use state；When pushing push handle 16 to distal end, braiding pipe network 3 can be pushed into the use of instrument
State, the first use state are that shuttle shape (stops extractor referring to the lacing formula ureteral calculi that Fig. 7, Fig. 7 are embodiments 1
The first use state diagram), such as continue to push push handle 16 to distal end, then 3 change in shape of braiding pipe network is second
Kind use state, i.e. distal end are half shuttle shape, proximate direction depression formation umbrella and there is the maximum sized position of radial direction
(second of use state of extractor is stopped to be illustrated referring to the lacing formula ureteral calculi that Fig. 8, Fig. 8 are embodiments 1 for one section
Figure) or 3 change in shape of braiding pipe network be the third use state, i.e., umbrella and there is radial maximum sized portion
Position is only that a point (is that the lacing formula ureteral calculi of embodiment 1 stops the third use state of extractor referring to Fig. 9, Fig. 9
Schematic diagram)；After push handle 16 pushes to a certain extent to distal end, since position-limiting tube 34 and fixation kit 33 are inconsistent so that push handle
16 movements are restricted, and then limit the shape of braiding pipe network 3.
It should be noted that the other end is distal end herein, it is specified that instrument handle end is proximal end." back side " is device
Towards the side of surface when tool use state, towards the side of underface when " veutro " is instrument use state.
The radical of the wire 31 is the integer between 4~200, and braiding pipe network 3 can be by equal diameter metal
Silk or two kinds and two or more diameter metal silks interval weave, can be there are many type of weave.The fixation kit 33
It can be annular thin wall metal tube, can be the tube that fine wire is entwined, can also be binder, but be not limited only to this, only
It is capable of fixing corresponding assembly.The membrane structure 32 can be placed in braiding 3 outer surface of pipe network, inner surface or in metal
Between silk 31.By the way that the motion range of push handle 16 is arranged, the length of position-limiting tube 34 or the length of limit sliding chutes 13 are such as set, it can be with
Braiding pipe network 3 is moulded into different shapes.The pipe handle 2 is hollow and thin-walled pipe, and material can be metal, plastics, macromolecule material
Material, polymer etc..Part of the inner core 4 in addition to flexible end 42 can construct for rigid metal bar or hollow metal pipe.
It is prepared by fixation kit 33, position-limiting tube 34 and the pipe handle 2, braiding pipe network 3, the assembly method between inner core 4
All has extremely strong practical operability in technique, the quality of preparation process will not generate instrument using effect apparent
It influences.Described braiding pipe network 3 can control its shape by push handle 16 as tubular reticulum made of the braiding of several one metal wires 31
Shape, the advantage is that: in a first aspect, be convenient for instrument placement, in placement process will not deformation, do not easily cause calculus to shift；
Second aspect, membrane structure 32, will not be due to water flow perfusion, calculus are touched during dragging under the support of braiding pipe network 3
Deformation occurs, is not easy to omit calculus and Incarcerated stone occurs；The third aspect, braiding pipe network 3 shape be always tubulose, shuttle shape,
Distal end is half shuttle shape and proximal end is umbrella or umbrella, and periphery is always round under use state, can be well with urine output tube shape
Agree with, realizes and block completely；Wherein, it is one section that pipe network 3 is woven under second of use state radial maximum sized position,
Plugging effect is more preferable；Second of use state or the third use state is presented by wire 31 in the braiding pipe network 3
The factors such as radical, length and the distance of push determine that its shape is controllable in a word, and guarantee that its radial full-size is 5-
To fit closely with ureter wall within 30mm, the length that 3 maximum gauge section of pipe network is woven under use state is preferably big
In 0 millimeter, it is less than or equal to 10mm；Fourth aspect can adjust braiding pipe network 3 when something unexpected happened such as Incarcerated stone in time
Outer peripheral diameter prevents from causing to damage to ureter wall quickly to solve the problems, such as, such as blocks incomplete or braiding 3 outer peripheral diameter mistake of pipe network
When big, it can also adjust in due course.32 coverage area of membrane structure be at least from braiding 3 distal end of pipe network to use state when
At maximum gauge, i.e., overlay film range at least covers the upper semisection for weaving pipe network 3, and guaranteeing to be in ureter when instrument with this makes
When with state, when being filled the water into ureter, after water encounters the membrane structure 32 above braiding pipe network 3, due to drag effect
To ureter flowing underneath, i.e. the effect of membrane structure 32 is the direction for changing water flow, and water flow is allowed to sweep along calculus broken
It considers to be worth doing and is discharged into bladder, and membrane structure 32, under the support of braiding pipe network 3, shape is also controllable and is not easy deformation, and
It fits with ureter wall, and then realizes and block completely and disposably take stone, rubble will not be omitted.The flexibility of the inner core 4
Passage capacity when end 42 can be improved in instrument insertion ureter, and reduce collateral damage probability.
The structure design of the limited cover 11 and limited cover mounting hole 15 ensure that the two can stablize fixation.Described is interior
The structure design of core fixed groove 112 and the fixed ball 41 of inner core ensure that handle 1 and inner core 4 can stablize fixation.The push handle
16 push handle limiting section 163, the back side of push handle limited block 164 and pipe handle 2 and limiting slot 21 match, and structure is simple, and
It can ensure that pipe handle 2 and push handle 16 are stablized to fix.The position-limiting tube 34 can limit the shape of braiding pipe network 3, and will weave pipe network 3
Proximal end and 2 distal tip of pipe handle are fixed on the middle section position of position-limiting tube 34, and " middle section " refers to that position-limiting tube 34 removes closely
The section of end and distal tip is held, 1/3 section, so can guarantee limit during push preferably among position-limiting tube 34
Position pipe 34 keeps translation, avoids the occurrence of subtle deviation.The above structure design makes the compact-sized of instrument of the present invention, goes forward side by side
One step ensures that the shape of braiding pipe network 3 artificially can be controlled accurately.
Lacing formula ureteral calculi of the invention stops the application method of extractor as follows: when ureteroscope lithotrity, first
Row merging endoscope, finds calculus, and if strangulated calculus, can first introduce laser fiber can extremely pass through calculus partial crushing this
Invention instrument is advisable, and if non-strangulated calculus, can introduce instrument of the present invention；First dismantle lacing formula ureter knot of the invention
Stone stops the factory packaging of extractor, holds handle 1, proximally pulls push handle 16, and it is minimum, long that braiding pipe network 3 is pulled into diameter
Spend longest state, that is, instrumentation use state；The flexible end 42 of inner core 4 is inserted into endoscopic working channel, is peeped inside
Under mirror direct-view guidance, so that instrument is around calculus and reaches above calculus, then push handle 16 is pushed to push away pipe network 3 is woven to distal end
At the use state of instrument；If calculus fragment appropriate diameter is excluded out of ureter to bladder, can be worked by endoscope
Channel is filled the water into ureter, and is proximally dragged lacing formula ureteral calculi of the invention and stopped extractor, and perfusion water flow is not
Membrane structure 32 in disconnected impact braiding pipe network 3, calculus fragment are trapped and backwash downwards, and water flow sweeps along calculus broken at this time
Block is finally dragged to bladder；If calculus crumb size is larger, also needs to be further introduced into laser and be crushed, then it can be successively
By on handle limited cover 11 and push handle 16 dismantle, to realize that 1 ontology of handle is separated with inner core 4 and 2 phase of pipe handle, by assistant
The position of instrument of the present invention in vivo is auxiliarily fixed not move, patient by ureteroscope withdraw from it is external after again successively by inner core
4 are inserted into handle with pipe handle 2, load onto push handle 16, finally load onto limited cover 11, the push handle after instrument assembles, on driving handle 1
16 are in sealed condition, then row merging ureteroscope to woven network tube 3, introduce optical fiber and carry out rubble operation, completely broken to calculus
After broken, laser fiber is withdrawn from, repeat above-mentioned water filling and drags the operation of plugging device tool downwards, until calculus is gone out completely to wing
In Guang.In operating process, the fortuitous event of Incarcerated stone such as occurs, push handle 16 can be adjusted in time to adjust and weave 3 shape of pipe network
And alleviate problem, and the outer peripheral diameter of braiding pipe network 3 can be adjusted according to patient ureter's week diameter and in due course to realize tight fitting
And ureter wall is not caused to damage.
Lacing formula ureteral calculi of the invention stops extractor shape artificially can accurately be controlled, and may be easily placed into urine output
Pipe not will push calculus and drive in the wrong direction to kidney and ureter wall be caused to damage, and can adjust shape in due course to block ureter completely,
The case where effectivelying prevent calculus and stone debris to be poured in water flow refunds kidney, being not susceptible to Incarcerated stone, drags and takes stone process
Be unlikely to deform and rub ureter wall, can disposably take out whole calculus, achievees the purpose that efficiently to arrange stone.
Lacing formula ureteral calculi of the invention stops extractor to cannot be only used for the closure and removal of ureteral calculi, goes back
The closure and foreign matter that can be applied to other body cavitys remove, including but not limited to following application: for the closure and removal of kidney stone,
The closure and removal of vascular thrombosis, blood vessel puncture block hemostasis, the closure and removal such as foreign matter in tracheae, enteron aisle of body cavity foreign matter
Processing.
Embodiment 2
The lacing formula ureteral calculi of the present embodiment stops extractor and lacing formula ureteral calculi described in embodiment 1 to hinder
It is essentially identical to keep off extractor, the difference is that (being the model core arrangement schematic diagram of embodiment 2 referring to Figure 10, Figure 10): described
Inner core 4 is a homogeneous hollow tube, i.e., the fixed ball 41 of the inner core since inner core 4 is distally to 4 proximal end of inner core, center is equipped with perforation
Cavity.The program needs to cooperate other seal wire as guide instrument when in use, and seal wire can be inserted from fixed 41 side of ball of inner core
Enter, until inner core 4, which distally exposes seal wire, to be advisable.
Embodiment 3
The lacing formula ureteral calculi of the present embodiment stops extractor and lacing formula ureteral calculi described in embodiment 1 to hinder
It is essentially identical to keep off extractor, the difference is that (being the braiding pipe network structure schematic diagram of embodiment 3 referring to Figure 11, Figure 11): institute
The braiding pipe network 3 stated is spindle shape structure in the first use state, i.e. central section is a cylindrical body, the cylindrical body it is outer
All diameters are the largest.The braiding pipe network 3 of this kind of shape have longer diameter maximum section, can preferably with ureter wall
It fits closely, obtain better rubble retention and prevents Incarcerated stone effect.
Embodiment 4
Referring to Figure 12 and 13, Figure 12 are that the lacing formula ureteral calculi of embodiment 4 stops the first use of extractor
Status diagram, Figure 13 are that the lacing formula ureteral calculi of embodiment 4 stops second of use state diagram of extractor.This
The lacing formula ureteral calculi of embodiment stops extractor and lacing formula ureteral calculi described in embodiment 1 to stop extractor base
This is identical, the difference is that: the wire 31 of the braiding 3 proximal end side of pipe network is skew crossing braiding, and therein
Several elongations of wire 31 are to distal end side and adjacent wire 31 is mutually wound, its final distal end is gathered together, i.e. institute
Its wire 31 of braiding pipe network 3 stated transits to the mutual by two or more wires 31 of distal end by the skew crossing braiding of proximal end
Wind the form of support.The membrane structure 32 is overlying on the distal end side of braiding pipe network 3.Under use state, work as driving handle
When, the entire pipe network 3 that weaves can be in shuttle shape i.e. the first use state, and the proximal end side of the braiding pipe network 3 can also be by into one
The inside of step push-in distal end side, it is half shuttle shape, the form that proximal end is umbrella that distal end, which is presented,.Advantage of this embodiment is that far
It holds the braiding pipe network 3 of side since its wire 31 is mutually wound, has stronger distracting force, to be more conducive to
The shape blocked is kept in ureter, reaches better plugging effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise of not departing from the method for the present invention, can also make several improvement and supplement, these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (11)
1. a kind of lacing formula ureteral calculi stops extractor, it is used to from the ureter of patient take out calculus, feature exists
In equipped with handle, Guan Bing, braiding pipe network and inner core, the braiding pipe network is tubular reticulum made of the braiding of several one metal wires
And distal end is covered with membrane structure, braiding pipe network both ends pass through fixation kit respectively and are fixed on pipe handle distal end and inner core；Described
Braiding pipe network does stretching motion under the drive of pipe handle, and the use state of the braiding pipe network is shuttle shape, is distally half shuttle shape
And proximal end is umbrella or umbrella, wherein the wire of proximal end side is that skew crossing weaves, and several metals therein
Silk elongation is to distal end side and adjacent wire is mutually wound, its final distal end is gathered together.
2. lacing formula ureteral calculi according to claim 1 stops extractor, which is characterized in that the wire
Radical is the integer between 4~200, and the braiding pipe network can be by equal diameter wire or two kinds and two or more straight
Diameter wire interval weaves.
3. lacing formula ureteral calculi according to claim 1 stops extractor, which is characterized in that the inner core and pipe
Position-limiting tube is arranged between handle, the middle section of the position-limiting tube is solid by fixation kit and braiding pipe network proximal end and pipe handle distal end
It is scheduled on together, the distal end of the position-limiting tube is free end.
4. lacing formula ureteral calculi according to claim 1 stops extractor, which is characterized in that the handle is equipped with
Limit sliding chutes are equipped with push handle in the limit sliding chutes；The installing pipe that the inner core proximal end is inserted in handle is intracavitary and interior
Core is mutually fixed with handle；The pipe sleeve is connected to the outside of inner core, and pipe handle proximal end be inserted in handle installing pipe it is intracavitary simultaneously
It is mutually fixed with push handle.
5. lacing formula ureteral calculi according to claim 4 stops extractor, which is characterized in that the push handle is equipped with
Push handle pushing block, the push handle pushing block lower section are equipped with slider bar, and the both side edges below the slider bar are respectively provided with an arc
Push handle limiting section, the lower edge of each push handle limiting section is respectively equipped with push handle limited block again；The pipe handle proximal end is equipped with limit
Slot；The push handle limited block is embedded in limiting slot, and the push handle limiting section is attached at the back side of pipe handle.
6. lacing formula ureteral calculi according to claim 1 stops extractor, which is characterized in that the handle proximate end
End face is equipped with limited cover；The limited cover is equipped with limited cover rear cover, and the limited cover rear cover inner wall is fixed equipped with inner core
Groove；The inner core proximal end is equipped with the fixed ball of inner core；The fixed ball of the inner core and inner core fixed groove, which match, to be made
Inner core is obtained mutually to fix with handle.
7. lacing formula ureteral calculi according to claim 6 stops extractor, which is characterized in that in the limited cover
Wall is equipped with limited cover and installs tooth, and the handle proximate end is equipped with limited cover mounting hole, and the limited cover installation tooth is inserted in limit
In the lid mounting hole of position.
8. lacing formula ureteral calculi according to claim 1 stops extractor, which is characterized in that the membrane structure
Coverage area is at least from maximum gauge when weaving pipe network distal end to use state.
9. lacing formula ureteral calculi according to claim 1 stops extractor, which is characterized in that the inner core distal end
Equipped with flexible end.
10. lacing formula ureteral calculi according to claim 1 stops extractor, which is characterized in that the inner core is
One hollow tube.
11. lacing formula ureteral calculi according to claim 1 stops extractor, which is characterized in that when working condition, institute
The maximum gauge for stating braiding pipe network is to be less than or equal to 30mm more than or equal to 5 millimeters；The length of maximum gauge section be greater 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 CN105852933A (en) | 2016-08-17 |
| CN105852933B true 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 Active 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 Active CN110251202B (en) | 2016-04-27 | 2016-04-27 | Braided wire type ureteral calculus blocking extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105852933B (en) |
Families Citing this family (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 |
| 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 |
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|---|---|---|---|---|
| CN86100323A (en) * | 1986-02-16 | 1987-06-24 | 李亚林 | The double balloon catheter of treatment ureteral calculus |
| 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 |
| JP2001212152A (en) * | 2000-02-07 | 2001-08-07 | Ir:Kk | Shape memory alloy wire therapeutic equipment for tube lesioned part |
| US6652537B2 (en) * | 2001-12-12 | 2003-11-25 | C. R. Bard, Inc. | Articulating stone basket |
| US8647359B2 (en) * | 2002-01-10 | 2014-02-11 | Boston Scientific Scimed, Inc. | Distal protection filter |
| US7192434B2 (en) * | 2002-03-08 | 2007-03-20 | Ev3 Inc. | 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 |
| US7824415B2 (en) * | 2004-09-15 | 2010-11-02 | Boston Scientific Scimed, Inc. | Atraumatic medical device |
| CN102056554A (en) * | 2008-06-09 | 2011-05-11 | 百乐仕医疗器械有限公司 | Medical treatment tool for tubular organs |
| 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 |
| KR102044570B1 (en) * | 2012-01-04 | 2019-12-05 | 라피드 메디칼 리미티드 | Braided devices for assisting medical treatments |
| CN104168845B (en) * | 2012-01-17 | 2017-10-20 | 珀弗娄医疗有限公司 | Method and apparatus for removing tamper |
| 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 |
| CN102973332B (en) * | 2012-11-23 | 2015-01-21 | 杭州启明医疗器械有限公司 | Thrombus filter and using method thereof |
| EP3069668A4 (en) * | 2013-11-12 | 2017-06-28 | Olympus Corporation | Basket-type grasping forceps |
| CN104095667B (en) * | 2014-07-15 | 2016-05-25 | 中国人民解放军第二军医大学 | Overlay film basket type ureteral calculi stops 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 |
-
2016
- 2016-04-27 CN CN201610268545.XA patent/CN105852933B/en active Active
- 2016-04-27 CN CN201910507410.8A patent/CN110251202B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110251202A (en) | 2019-09-20 |
| CN105852933A (en) | 2016-08-17 |
| CN110251202B (en) | 2021-07-06 |
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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 |
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