CN208541366U - A kind of plugging device with guidewire lumen - Google Patents
A kind of plugging device with guidewire lumen Download PDFInfo
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- CN208541366U CN208541366U CN201820262091.XU CN201820262091U CN208541366U CN 208541366 U CN208541366 U CN 208541366U CN 201820262091 U CN201820262091 U CN 201820262091U CN 208541366 U CN208541366 U CN 208541366U
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Abstract
本实用新型公开了一种具有导丝腔的封堵装置，包括尖端导管、可被轴向压缩的封堵物、芯轴、外管和手柄组件。芯轴一端穿过封堵物腔体、外管和手柄组件，另一端延长后外包覆尖端导管，芯轴设置为具有两端开口的中空管状结构。通过本实用新型的具有导丝腔的封堵装置，不必依靠内窥镜引导进入体腔，而改由导丝引导，因此封堵装置的尺寸不再受内窥镜管道的限制，进而增加了封堵面积，使封堵更充分。
The utility model discloses a plugging device with a guide wire cavity, which comprises a tip catheter, an axially compressible plug, a mandrel, an outer tube and a handle assembly. One end of the mandrel passes through the plug cavity, the outer tube and the handle assembly, and the other end is extended and then covered with a tip catheter. With the plugging device with a guide wire cavity of the present invention, it is not necessary to rely on an endoscope to guide into the body cavity, but instead is guided by a guide wire, so the size of the plugging device is no longer limited by the endoscopic tube, and the sealing effect is increased. Blocking area, so that the blocking is more sufficient.
Description
Technical field
The medical device more particularly to one kind that the utility model relates to a kind of to block for barrier in body cavity have
The plugging device of guidewire lumen
Background technique
Ureteral calculi is Urology Surgery common disease, and 90% or more ureteral calculi is to be formed in kidney and fall into urine output
Pipe.Goodnm in 1977 etc. is reported first ureteroscope (URL) is applied to rubble after, due to its have damage it is small, restore it is fast,
It can operate repeatedly, the advantages that clear stone is high-efficient, URL has become the common operation method for the treatment of ureteral calculi at present.URL master
If ureteroscope is pushed into ureter under television monitoring, after seeing calculus, if calculus is larger, rubble instrument need to be used
Rubble is carried out, rubble instrument includes liquid electricity, ultrasound, Pneumatic Lithotripsy (PL), electronic kinetic energy (EKL) and laser (LL) etc..When rubble
It keeps getting a clear view with the mode of irrigation.Although URL treatment method has many advantages, such as, but it there is also deficiencies, due to stalk
Resistance top ureterectasia and the flushing action of perfusion, fragment during rubble, at the nearly renal plevis of proximal ureteral calculus easily into
Enter renal plevis and kidney calices, residual stone in rubble failure or kidney is caused to be formed.
In order to which calculus moves up when reducing URL operation, calculus catching net-like means are often combined to carry out rubble and take stone at present.Calculus catching net-like means
Working principle is as follows: calculus catching net-like means may pass through calculus, opens mesh basket and captures calculus, then receives net, calculus is fixed, if calculus
It is smaller, then calculus is pulled straight out, if calculus is larger, smashed using rubble instrument, then by splinter of stone calculus catching net-like means
It partly or entirely takes out one by one, or waits rubble Self-discharged external.It is fixed although calculus catching net-like means can partially solve calculus
The problems such as with stone is taken, but calculus catching net-like means generally can only once capture a calculus, repeatedly take stone operating time long；Calculus catching net-like means are netted
Structure, generally in 1mm or more, the calculus for being less than mesh diameter for size is easy to slip through the net its mesh diameter；In processing incarceration
Calculus when, blindly take stone with calculus catching net-like means, be likely to result in ureter perforation；Excessive calculus with calculus catching net-like means cover stone and by force
Pull-out may cause ureter tearing；The wire of calculus catching net-like means may be interrupted by laser.
Domestic number of patent application CN200810101819 discloses a kind of urinary system stone taking device, You Yigen medical high polymer
The composition of pipe made of material, opposite direction bends to circle shape inwardly each other at the both ends of pipe, shaped like pigtail, bends to circle
There are 3-5 side opening, diameter 0.1-0.8mm on the both ends tube wall of round, it is small that the middle section of pipe has 10-20 beading to expand
Basket is opened made of four opennings on four peripheral walls of pipe etc..There is a tubal bladder mark point in the lower end of pipe, pipe it is upper
There is kidney mark point at end, and the top of pipe is tapered tapered tubular；Due to its special beading can expand it is contractile
The phenomenon that corbeil substantially increases the success rate for taking stone than existing single calculus catching net-like means, is not in after calculus is entangled and falls off；
Whole beading structure plays good supporting role to ureter, block ureter will not by calculus, urine energy in kidney
It is enough smoothly to reach bladder.But the instrument covers stone or troublesome, needs one by one to entangle calculus, and cannot prevent completely
Calculus moves up when rubble.
It is " a kind of to block the method for barrier in body cavity and its block dress filed in the applicant on April 14th, 2009
Set ", application No. is CN2009100570682, which includes the membranaceous plug of seal wire, conduit, flat, flexible, seal wire
One end pass through conduit and plug cavity, plug distal end fixed with seal wire, pull guidewire proximal, the plug of expansion is by axis
To compression, bolt shape plug is formed.Ureteral calculi can prevent on rubble when rubble under the closure of the plugging device
It moves, after rubble, using the closure function of plugging device, muti-piece rubble can be dragged simultaneously to bladder or ureter sheath, significantly
Reduce and takes the stone time.But the plug is monolithic thin film, material is soft, and monolithic membrane is formed by closure after compression folds
Object gap is big, and after it blocks calculus, when smashing stone with rubble instrument, rubble is possible to perfusion and energy of the meeting in water
It is pierced by from gap under the impact of amount, causes to block insufficient phenomenon；Secondly, monolithic membrane is because gap is big, material is soft, is dragging
When moving biggish rubble, the closure power of plug is little, and rubble can be escaped between plug and ureter wall, causes to drag mistake
It loses.
Filed in the applicant on November 10th, 2009 " a kind of compact body cavity plugging device ", application No. is
CN2009202692815, the plugging device include a seal wire, a conduit, a plug that can be axially compressed, and plug is by two
More than piece flat membrane is constituted, and membrane surface is coated with hydrophilic coating, bond each diaphragm mutually in flat, axial in diaphragm
Direction, which is equipped at least one, can pass through the lumen of seal wire, and distal end and the seal wire of diaphragm are fixed, and pull guidewire proximal, expansion
Plug forms bolt shape plug in radial directions after being axially compressed.Relative to the plugging device that monolithic membrane is constituted, its envelope
It is stifled more abundant, barrier can be effectively prevent to escape from the gap of plug.But the plugging device must be guided by endoscope
Size into body cavity, therefore product is restricted, and can not be greater than the line size of endoscope, is blocked area and is restricted, leads
Cause plugging effect bad；Secondly, seal wire is solid mandrel, fluid injection can not be carried out to plugging device and drawing liquid operates.
Utility model content
The purpose of this utility model be the applicant has been applied application No. is 200920269281.5 it is " a kind of compact
Body cavity plugging device " patent improves, a kind of plugging device with guidewire lumen, the seal wire of mandrel hollow tubular structure are provided
Plugging device can be introduced body cavity by seal wire, to guide using seal wire by chamber, to thrombus, the calculus etc. in body cavity
Barrier carries out closure fixation, then can remove it out body cavity according to specific needs, connects in addition, mandrel end connects Rule
Head after extracting seal wire out, can be injected or be extracted out liquid to body cavity by female Luer, keep the intracorporal pressure of people appropriate.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is as follows:
A kind of plugging device with guidewire lumen, including tip catheter, the plug that can be axially compressed, mandrel, outer tube
And Handleset.Mandrel one end passes through plug cavity, outer tube and Handleset, outer cladding tip catheter after the other end extends.
Mandrel is set as the hollow tubular structure with both ends open.
Further, the end of mandrel is connected with female Luer.
Further, outer tube one end passes through plug cavity, and extended part forms tip catheter, the other end and handle group
Part connection.
Further, part of the outer tube in plug cavity is set as compressible spring tube structure.
Further, outer tube is set as double cavity structure, is divided into guidewire lumen and mandrel chamber.
Further, outer tube increases the branch pipe with female Luer close to the part of Handleset, and branch pipe is connected to guidewire lumen.
Further, tip catheter is high molecular polymer casing, and round and smooth processing is done on head.
Further, it is characterised in that: tip catheter is provided with developing ring on the outer peripheral surface of plug.
Further, plug is made of foliaceous closure part.
Further, foliaceous closure part surface has hydrophilic coating.
A kind of plugging device with guidewire lumen provided by the utility model, it is not necessary to lead into body by endoscope
Chamber, and change and guided by seal wire, therefore the size of plugging device is no longer limited by endoscope channel, and then increase plugging surface
Product makes to block more abundant；Secondly, hollow tubular structure guidewire lumen connection female Luer after, can to body cavity carry out fluid injection and
Drawing liquid keeps the intracorporal pressure of people appropriate.
Utility model device can be applied to the closure and removal of kidney stone, can also be applied to the temporary of other multiple body cavitys
When property blocks, including but not limited to following application: can be used for the closure and removal of ureteral calculi, the closure of vascular thrombosis and
It removes, blood vessel puncture, which blocks, to stop blooding, the closure and removal of body cavity foreign matter such as tracheae, the processing of the foreign matter in enteron aisle.This is practical
Novel plugging device can be used for the permanent closure of body cavity, especially for body cavity fluid flow direction or flow control, such as blood
The occasions such as pipe, ventricle, fallopian tubal.The body cavity method for blocking and device of the utility model are particularly suitable for the envelope of upper urinary stone
It is stifled, fixed and remove, compared with the existing technology in calculus catching net-like means, operation doctor do not need too many skill, blocks and remove knot
Stone is simple, and when rubble is clear in TV downward view, and multiple fragments can be once removed when removing rubble, when removing fragment, fragment
It is not easy to escape, operation wound is small or hurtless measure, simple structure.
For the above content of the utility model can be clearer and more comprehensible, preferred embodiment is cited below particularly, and in conjunction with attached drawing, make
Detailed description are as follows.
Detailed description of the invention
Fig. 1 is schematic diagram of the calculus in ureter.
Fig. 2A be embodiment 1 in plug be uncompressed before plugging device schematic diagram.
Fig. 2 B is the profile of part A in Fig. 2A.
Fig. 2 C is the profile of part B in Fig. 2A.
Fig. 3 A be embodiment 2 in plug be uncompressed before plugging device schematic diagram.
Fig. 3 B is the profile of part B in Fig. 3 A.
Fig. 3 C is the profile of part A in Fig. 3 A.
Drawing reference numeral explanation:
1 tip catheter
2 developing rings
3 foliaceous closure parts
4 mandrels
5 outer tubes
6 Handlesets
7 female Luers
9 plugs
10 plugging devices
11 guidewire lumens
12 mandrel chambers
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this theory
The bright revealed content of book understands other advantages and effect of the utility model easily.
It should be noted that in the present invention, the upper and lower, left and right in figure are considered as closure described in this specification
The upper and lower, left and right of device.
The illustrative embodiments of the utility model are introduced referring now to the drawings, however, the utility model can use many
Different forms is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be in order at large and complete
The open present invention entirely, and the scope of the utility model is sufficiently conveyed to person of ordinary skill in the field.For indicating
The term in illustrative embodiments in the accompanying drawings is not the restriction to the utility model.In the accompanying drawings, identical unit/
Element uses identical appended drawing reference.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
Utility model device is inserted into body cavity by interventional technique, is blocked to body cavity.In general, the closure
Movement and removal of the device for barrier in body cavity, it can also be used to which the fixation of barrier especially blocks barrier
After fixation, then it is crushed；The effects of can also be used for blood vessel puncture hemostasis.The plugging device is only described below for ureter
Calculus is removed, but the utility model can have broader application in the case where meeting plugging device working principle, this is current row
Industry technical staff is it will be apparent that as mentioned previously, can be used for blood vessel puncture hemostasis, blocking to thrombus in blood vessel
Deng.
Calculus is in the ureter between bladder and kidney, and Fig. 1 is its schematic diagram, and plugging device 10 is with traditional intervention wing
The technology of Guang enters bladder, and the technology of traditional intervention bladder is not described herein.Device enters after bladder, need to pass through urine output
Nozzle enters back into ureter.
In order to be more clearly understood that the technology contents of the utility model, spy lifts following embodiment and is described in detail.
Embodiment 1
As shown in figures 2 a-c, the embodiments of the present invention 1 provide a kind of plugging device 10 with guidewire lumen,
Including tip catheter 1, developing ring 2, the plug 9 that can be axially compressed, mandrel 4, outer tube 5, Handleset 6 and female Luer 7.
Mandrel 4 is set as the hollow tubular structure of both ends open, can be metal tube or non-metallic pipe, for by leading
Plugging device 10 is introduced body cavity to guide using seal wire by silk, it is not necessary to be relied on the guidance of endoscope again, therefore be blocked
The size of device is no longer influenced by limitation, can be greater than the size of endoscope channel, and then increase closure area, makes to block and more fill
Point.After plugging device 10 enters body cavity, seal wire can retain or withdraw from mandrel 4.
4 one end of mandrel passes through 9 cavity of plug, outer tube 5 and Handleset 6, connects female Luer 7 in end, Rule connects
First 7 are arranged in the end of Handleset 6, after withdrawing from seal wire in mandrel 4, can according to need through female Luer 7 and mandrel 4
Liquid is injected or extracted out to body cavity.
Periphery coats one layer of high molecular polymer casing or spring tube structure after 4 other end of mandrel extends, and forms tip
Conduit 1, tip catheter 1 are more than mandrel 1-2mm, and round and smooth processing is done on head, tip catheter 1 it is open-ended, so that seal wire is logical
It crosses.Plugging device 10 can be improved in endoceliac self-aiming ability in tip catheter 1, so that device is had better compliance, mentions
High plugging device 10 passes through the ability of barrier, and can prevent from causing to damage to mucous membrane in human body or institutional framework etc..
Tip catheter 1 is provided with developing ring 2 on the outer peripheral surface of plug 9, can be arranged by auxiliary such as X-rays, shows
Show plugging device 10 in endoceliac position.
Plug 9 is made of foliaceous closure part 3, and foliaceous closure part 3 can be 1 or multi-disc is constituted, and preferably 2
Piece, 3 or 4 compositions.The both ends of foliaceous closure part 3 can be fixed on mandrel 4, or be fixed on 1 He of tip catheter
In the perimeter surface of outer tube 5.3 surface of foliaceous closure part is coated with hydrophilic coating, and hydrophilic coating can play lubrication to body cavities and make
With, facilitate reduce promote frictional force, avoid the injury to tissue, mitigate the pain of patient.
When outer tube 5 promotes, flat plug 9 and tip catheter 1 remain stationary state relative to outer tube 5.To guarantee
When whole device promotes, the plug 9 and tip catheter 1 of expansion remain stationary state relative to outer tube 5, and external force or solid can be used
Determining device slides mandrel 4 in outer tube 5, when outer tube 5 in place after, pass through the operation portion being arranged on Handleset 6, pull axis
Core 4, foliaceous closure part 3 spread out, and continue to pull mandrel 4, plug 9 is compressed into corrugated plug, approximate sphericity.
Plugging device 10 such as can directly be reached near calculus by seal wire guidance by traditional intervening mode, then be promoted
Plugging device 10 moves on it in ureter, can retain or withdraw from seal wire at this time.The tip catheter 1 of plugging device 10
The gap of calculus and ureter wall can be passed through, plug 9 is under the drive of tip catheter 1 partially or fully through calculus.Or
Person is guided by seal wire, and plug 9 is under the drive of tip catheter 1 partially or fully through calculus.
By the operation portion being arranged on Handleset 6, mandrel 4 is pulled, flat plug 9 forms gauffer in calculus distal end
Plug 9 is dragged in ureter towards bladder direction, calculus can be dragged to bladder by shape plug, can also be by calculus
After being blocked, calculus is smashed with the stone crusher of rubble instrument such as laser or other energy, rubble is then dragged to bladder, because
For the plugging action of plug 9, can prevent from moving to kidney in the calculus smashed during rubble.After withdrawing from seal wire, Ke Yigen
According to need by female Luer 7 to body cavity inject or extract out liquid.
Percutaneous pyelostomy (PCN) is to be built into leading for suitable bore to kidney aggregation system under imageological examination guidance
Pipe enables kidney aggregation system sufficiently to be drained, or successfully expanding channel carries out interventional therapy so as to thus fistula.It is controlling
It, will by the stone crusher of rubble instrument such as laser or other energy during the percutaneous renal plevis fistulization operation (PCN) for treating kidney stone
In kidney stone fragmentation process, blocked using plugging device in ureter and renal plevis connecting portion (position UPJ), it can be effective
It prevents the kidney stone smashed to be transferred to ureter by renal plevis, forms ureteral calculi.Meanwhile in the operation, envelope can be passed through
Guidewire lumen connection negative pressure suction device in block apparatus carries out drawing liquid, to be effectively reduced the pressure of renal plevis, reduces operation simultaneously
Send out the generation of disease.
Embodiment 2
As shown in figs. 3 a-3 c, the embodiments of the present invention 2 are similar to the principle of embodiment 1, the difference is that:
In example 2, a kind of plugging device 10 with guidewire lumen provided by the utility model, including tip catheter 1,
Developing ring 2, the plug 9 that can be axially compressed, outer tube 5, Handleset 6 and female Luer 7.
One end of outer tube 5 passes through 9 cavity of plug, and extended part forms polymer casing or spring tube structure, packet
Mandrel 4 is covered, tip catheter 1 is formed, the other end is connected with Handleset 6.
The both ends of foliaceous closure part 3 in plug 9 and outer tube 5 are fixed.Part of the outer tube 5 in 9 cavity of plug
It is set as compressible spring tube structure, can compress or be unfolded with plug 9.
The diameter for increasing outer tube 5, sets double cavity structure, including guidewire lumen 11 and mandrel chamber 12 for its internal mandrel.It leads
Silk chamber 11 is used for through seal wire, to guide using seal wire, plugging device 10 is introduced human body, it is not necessary to rely on endoscope again
Guidance, therefore the size of plugging device is no longer influenced by limitation, can be greater than the size of endoscope channel, and then increase closure
Area makes to block more abundant；Mandrel 4 is installed in mandrel chamber 12, is used to support outer tube 5, and the behaviour by being arranged on Handleset 6
Make portion's operation plug 9.
Outer tube 5 increases the branch pipe with female Luer 7 close to the part of Handleset 6, and branch pipe is communicated with guidewire lumen 11, removed
Out after the seal wire in guidewire lumen 11, can according to need by female Luer 7 to human injection or extraction liquid.
In conclusion a kind of plugging device with guidewire lumen, mandrel hollow tubular structure involved in the utility model
Guidewire lumen plugging device can be introduced into body cavity, changed in the prior art by seal wire, to be guided using seal wire
Plugging device must rely on the guidance of endoscope, therefore the size of plugging device is no longer influenced by limitation, can be greater than endoscope tube
The size in road, and then closure area is increased, make to block more abundant；The female Luer of mandrel end connection can after extracting seal wire out
Liquid is injected or extracted out to body cavity by female Luer, keeps the intracorporal pressure of people appropriate, there is very high practical value.This
Outside, the above embodiments are only illustrative of the principle and efficacy of the utility model for the utility model, not for limiting this reality
With novel.Anyone skilled in the art all can under the spirit and scope without prejudice to the utility model, to above-described embodiment into
Row modifications and changes.Therefore, those skilled in the art are in spirit revealed without departing from the utility model and institute under technical idea
All equivalent modifications or change completed, should be covered by the claim of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820262091.XU CN208541366U (en) | 2018-02-22 | 2018-02-22 | A kind of plugging device with guidewire lumen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820262091.XU CN208541366U (en) | 2018-02-22 | 2018-02-22 | A kind of plugging device with guidewire lumen |
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| Publication Number | Publication Date |
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| CN208541366U true CN208541366U (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820262091.XU Active CN208541366U (en) | 2018-02-22 | 2018-02-22 | A kind of plugging device with guidewire lumen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113598862A (en) * | 2021-07-16 | 2021-11-05 | 昆明医科大学第一附属医院 | Ureter plugging device |
-
2018
- 2018-02-22 CN CN201820262091.XU patent/CN208541366U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113598862A (en) * | 2021-07-16 | 2021-11-05 | 昆明医科大学第一附属医院 | Ureter plugging device |
| CN113598862B (en) * | 2021-07-16 | 2023-06-13 | 昆明医科大学第一附属医院 | Ureter plugging device |
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Address after: 201210 east of 1st and 2nd floors, building 7, No. 150 Cailun Road, Pudong New Area, Shanghai Patentee after: Shanghai innova Medical Instrument Co.,Ltd. Address before: 201210 east of 1st and 2nd floors, building 7, No. 150 Cailun Road, Pudong New Area, Shanghai Patentee before: INNOVEX MEDICAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 201201, 2nd Floor, Building 17, No. 315 Qingda Road, Pudong New Area, Shanghai Patentee after: Shanghai innova Medical Instrument Co.,Ltd. Country or region after: China Address before: 201210 east of 1st and 2nd floors, building 7, No. 150 Cailun Road, Pudong New Area, Shanghai Patentee before: Shanghai innova Medical Instrument Co.,Ltd. Country or region before: China |