CN205866805U - Patch clearing device in fluid drive's blood vessel - Google Patents
Patch clearing device in fluid drive's blood vessel Download PDFInfo
- Publication number
- CN205866805U CN205866805U CN201620652655.1U CN201620652655U CN205866805U CN 205866805 U CN205866805 U CN 205866805U CN 201620652655 U CN201620652655 U CN 201620652655U CN 205866805 U CN205866805 U CN 205866805U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- impeller
- blood vessel
- chamber
- supplementary
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a patch clearing device in fluid drive's blood vessel, including being provided with the main shaft of suction ducts, pipeline and packing pipeline, the main shaft is provided with the supplementary supplementary chamber that keeps apart of chamber, suction hole and distal end expandable that keeps apart of near -end expandable, and the suction hole is linked together with suction ducts, the near -end expandable is supplementary keep apart chamber and distal end expandable supplementary keep apart the chamber all through respective filler opening and the packing pipeline is linked together, and supplementary isolation of near -end expandable is provided with the grinding component between chamber and the suction hole, grinds the component left surface and is provided with the impeller, and the main shaft diameter that grinds component and impeller position is less than the main shaft diameter of its left and right sides, and transfer passage sets up in the left main shaft part of impeller, and transfer passage's right -hand member mouth is located the right flank of impeller left side main shaft part, and is linked together with the blood vessel. The utility model discloses avoid motor drive because of the harm of characteristics such as high temperature to the human body under operating condition, guaranteed operation safety and success rate.
Description
Technical field
This utility model relates to a kind of medical treatment device, in particular, relates to a kind of fluid-operated plaque within blood vessels
Remove device.
Background technology
It is directed to the diseases such as arterial thrombosis, phlebothrombosis and atherosclerotic occlusive disease, along with development scientific and technological in recent years, warp
In bellows, the Therapeutic Method of speckle excision has obtained significant progress.The most ripe system includes the U.S.
The SilverHawk of CovidienTMPeriphery speckle excision system, the Peripheral of U.S. Boston Scientific
RotablatorTMRotational Atherectomy System and JetstreamTMAtherectomy System, auspicious
Scholar Straub Medical'sS, U.S. Volcano'sAtherectomy System's and U.S. CSI
DiamondbackPeripheral Orbital Atherectomy System etc..SilverHawkTMCut Deng for orientation
Except system, it is made up of the tubular shell (nasal cavity) of topping machanism and collection cutting chip.This system is more easy to eliminate eccentricity pathological changes,
But there is suitability problem in the treatment to distal embolization, need to other treatment means or protection device with the use of.
RotablatorTMRemoving system for rotary speckle, it has the characteristic that can distinguish cutting, and the applicable scope of organization is relatively wide, but is
While ensureing removal effect and avoiding larger volume chip free in the blood vessel, need to strictly control the high-revolving persistent period with
The situations such as equipment heating.JetstreamTMOutstanding feature for persistence can be provided to aspirate, effectively eliminate atherosclerosis and
Cutting fragment is also collected and discharges by thrombosis fragment, but the contacting of its persistence swabbing pressure and chip recycling actual effect
Need to be investigated.S is simple to operate, produces negative pressure-pumping effect in rotary-cut simultaneously, and has blood vessel to a certain extent
Protective effect, but there is also the free potential risk with severe loss of blood of remaining chip simultaneously.DiamondbackFeature be
Controlled by rotating speed at same conduit and realize different rotary-cut radiuses, and only contact with section tubular wall within the same time,
Effectively reduce the generation of heat, but while controlling rotary-cut radius, lesion vessels inwall is had potential destructiveness.
But, in actual therapeutic, pharmacotherapy still occupies main flow.On the one hand due to whole system, medical personnel are carried
Go out higher requirement, on the other hand owing to accepting some complication that excision systematic treating is likely to occur and to patients ' psychological
Impact.Distal embolization is a kind of relatively conventional complication, is likely to result in other complication even life danger simultaneously.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, it is provided that a kind of fluid-operated Ink vessel transfusing speckle
Block removes device, removal part can be excreted, prevent potential small speckle chip flow extremely while effectively work
Far-end, and avoid under general motor drives in speckle scavenging system the parts such as drive shaft and sheath in working order because of temperature mistake
The characteristic potential hazards to body system such as high, high rotating speed, at utmost ensure operation safety and success rate, reduce complication
Generation.
The purpose of this utility model is achieved through the following technical solutions.
The fluid-operated plaque within blood vessels of one of the present utility model removes device, including being provided with suction channel, conveying
Pipeline and the main shaft of fill pipe, described main shaft is provided with near-end inflatable auxiliary separate cavities, suction socket and far-end from left to right
Inflatable auxiliary separate cavities, described suction socket is connected with suction channel, and described near-end inflatable auxiliary separate cavities and far-end can
Expand auxiliary separate cavities to be all connected with described fill pipe by respective filling hole, described near-end inflatable auxiliary separate cavities
And between suction socket, it being provided with grinding element, described grinding element left surface is provided with impeller, described grinding element and impeller institute
Major axis diameter in position is less than the major axis diameter of both sides around, and described transfer passage is arranged at the main shaft part on the left of impeller
Point, the right output port of described transfer passage is positioned at the right flank of main shaft portion on the left of described impeller, and is connected with blood vessel.
Main shaft portion on the left of described impeller is provided with subsidiary conduit, and the right output port of described accessory channel is positioned at described impeller
The right flank of left side main shaft portion, and be connected with blood vessel.
Described conveyance conduit and suction channel respectively arrange one.
Compared with prior art, the technical solution of the utility model is had the benefit that
(1) in this utility model, near-end inflatable auxiliary separate cavities and and suction socket between be provided with grinding element, grind
Element left surface is provided with impeller, and impeller is as the driving means of grinding element after liquid driven, and ratio is containing drive shaft, sheath
Isostructural distance motor drive mode safety is high, is difficult to because the factors such as temperature too high generation heat or high speed rotating are to blood
Pipe causes damage, it is to avoid other uncertain impacts, at utmost ensures operation safety and success rate, reduces complication
Produce；
(2), in this utility model, the major axis diameter of grinding element and impeller position is less than the main shaft of both sides around
Diameter, the main shaft portion on the left of impeller is provided with the right output port position of transfer passage and subsidiary conduit, transfer passage and subsidiary conduit
The right flank of main shaft portion on the left of impeller, and be all connected with blood vessel, subsidiary conduit can play conveyance conduit and suction channel
Effect, by conveyance conduit or subsidiary conduit to Ink vessel transfusing conveying material time, can drive wheel rotation, and then drive and grind unit
Part rotates, and carries out excising operation；Meanwhile, conveying material can promote to take out suction channel or subsidiary conduit by chip discharge body
Outward, quickly set up blood circulation, well ensure the stability of Ink vessel transfusing blood circulation.
(3), in the present invention, grinding element and main shaft can select according to practical situations such as removing length, external replacing,
More flexibly and there are the potential advantages reducing use cost.Optimize design for it further and application popularization provides more reliable
Ensure, there is important Practical significance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of main shaft in Fig. 1；
Fig. 3 is A-A sectional view in Fig. 1；
Fig. 4 is B-B sectional view in Fig. 1；
Fig. 5 is that this utility model builds local circulation chamber schematic diagram at Ink vessel transfusing；
Fig. 6 is that this utility model carries out excising operating diagram；
Fig. 7 is that this utility model carries out another pattern excision operating diagram.
Reference: 1 main shaft；2 near-end inflatable auxiliary separate cavities；3 far-end inflatable auxiliary separate cavities；
4 fill hole；5 impellers；6 grinding elements；7 suction socket；8 suction channels；9 fill pipes；
10 conveyance conduits；11 subsidiary conduits；12 specklees；13 chips；14 blood vessels.
Detailed description of the invention
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 7, the fluid-operated plaque within blood vessels of one of the present invention removes device, including main shaft 1, institute
It is provided with in stating main shaft 1 and suction channel 8, conveyance conduit 10 and the fill pipe 9 of described main shaft 1 integrative-structure, described main shaft 1
It is provided with near-end inflatable auxiliary separate cavities 2, suction socket 7 and far-end inflatable auxiliary separate cavities 3 from left to right.Described suction socket
7 are connected with suction channel 8, and described near-end inflatable auxiliary separate cavities 2 and far-end inflatable auxiliary separate cavities 3 are all by each
Filling hole 4 be connected with described fill pipe 9, described near-end inflatable auxiliary separate cavities 2 and far-end inflatable auxiliary isolation
Chamber 3 all can be made up of air bag etc..Described suction channel 8 is vertically by left setting to suction socket 7, described fill pipe 9 edge
Axially by the filling hole 4 of left setting to far-end inflatable auxiliary separate cavities 3.
Being provided with grinding element 6 between described near-end inflatable auxiliary separate cavities 2 and suction socket 7, described grinding element 6 is left
Side is provided with impeller 5, as the driving means of grinding element 6.The main shaft of described grinding element 6 and impeller 5 position is straight
Footpath is less than the major axis diameter of both sides around, say, that described near-end inflatable auxiliary separate cavities 2 is sheathed on main shaft 1 left end
Diameter portion, described grinding element 6 and impeller 5 be sheathed on the small diameter portion of main shaft 1, the inflatable auxiliary of described far-end every
The diameter portion of main shaft 1 right-hand member it is arranged at from chamber 3.The both ends of the surface of described impeller 5 and grinding element 6 and the major diameter master of both sides
Certain interval is left between axle 1 part.The major diameter main shaft 1 right left-to-right of part on the left of described impeller 5 is provided with elongated auxiliary
Helping pipeline 11, subsidiary conduit 11 and described main shaft to be set to integrative-structure, subsidiary conduit 11 can play and carry material to blood vessel 14
Or toward the outer effect extracting material out of blood vessel 14, the right output port of described subsidiary conduit 11 is positioned at major diameter main shaft on the left of described impeller 5
The right flank of part, and be connected with blood vessel 14.Described conveyance conduit 10 is arranged at the major diameter main shaft portion on the left of impeller 5,
The right output port of described transfer passage 10 is positioned at the right flank of major diameter main shaft portion on the left of described impeller 5, and is connected with blood vessel 14
Logical.11 right output port of described conveyance conduit 10 and subsidiary conduit are respectively positioned on the left surface of impeller, so by subsidiary conduit 11
Or conveyance conduit 10 is when carrying material in blood vessel 14, impeller 5 can be directly driven to rotate.
Described conveyance conduit 10 and suction channel 8 respectively arrange one.Described conveyance conduit 10, suction channel 8, filling
The position relationship of pipeline 9 and subsidiary conduit 11 is designed also dependent on needs, is not limited to shown in accompanying drawing.
The present invention can select suitable grinding element 6 and relevant cooperation adnexa in body according to removing length, cleaning module etc.
It is replaced outward, removes demand meeting different patch 12, there is certain motility and economy.
Remove the sweep-out method of device based on above-mentioned fluid-operated plaque within blood vessels, comprise the following steps:
Step one, the fluid-operated plaque within blood vessels of assembled in vitro removes device.According to the reality of speckle 12 in blood vessel 14
Situation, selects corresponding size, the main shaft 1 of pattern and grinding element 6；
Step 2, specifies position in the fluid-operated plaque within blood vessels assembled removing device is lowered into blood vessel 14,
Grinding element 6 is made to be positioned at speckle 12, near-end inflatable auxiliary separate cavities 2 and far-end inflatable auxiliary separate cavities 3 position respectively
In the both sides of speckle 12, it is filled through hole 4 the most inflatable auxiliary separate cavities 2 and far-end respectively from external by fill pipe 9
Inflatable auxiliary separate cavities 3 filled media, can be the material such as gas, liquid, until near-end inflatable auxiliary separate cavities 2 is with remote
Hold inflatable auxiliary separate cavities 3 to expand, surrounding respectively with blood vessel 14 contact internal walls, coordinate blood vessel 14, main shaft 1, conveyance conduit 10,
Suction channel 8 and subsidiary conduit 11, constitute local circulation chamber at short notice, blood vessel 14 formed ponding, closure
Well, basis is provided for excision work；
Step 3, the local circulation chamber set up to above-mentioned step 2 by conveyance conduit 10 or subsidiary conduit 11 is with safety
State conveying material, drives impeller 5 to rotate, and then drives grinding element 6 to rotate, and speckle 12 is carried out safely, has by grinding element 6
The excision work of effect；Meanwhile, conveying material can promote suction channel 8 or subsidiary conduit 11 chip 13 to be excreted.System
Under uniting in working order, the medium carrying and aspirating can not only drive grinding element 6 to rotate and be purged work, simultaneously can also
Enough promoting forms circulation, washes away, drives chip 13 to excrete, has the function of fluid multiplexing.Conveyance conduit 10 or auxiliary tube
Road 11 includes but not limited to normal saline, by defeated in local circulation chamber with the material of safe condition conveying in blood vessel 14
Send material and match to external discharge chip 13, to keep local circulation chamber interior pressure and ambient stable in blood vessel 14,
And form certain circulation scouring effect.It is listed below several situation:
(1) the local circulation chamber conveying material set up to above-mentioned step 2 by conveyance conduit 10, is driven impeller 5 and grinds
Mill element 6 rotates, and carries out excising work, passes through suction channel 8 and subsidiary conduit 11 to external discharge chip 13 in good time；
(2) the local circulation chamber conveying material set up to above-mentioned step 2 by conveyance conduit 10 and subsidiary conduit 11,
Drive impeller 5 and grinding element 6 to rotate, carry out excising work, by suction channel 8 to external discharge chip 13；
(3) the local circulation chamber conveying material set up to above-mentioned step 2 by conveyance conduit 10, simultaneously by auxiliary
Pipeline 11, to external ejected matter, sets up half local circulation, drives impeller 5 and grinding element 6 to rotate, and carries out excising work, suitable
Time stop through subsidiary conduit 11 to external ejected matter, start suction channel 8, set up local circulation, by suction channel 8 to body
Outer discharge chip 13.
Step 4, after excision work completes, stops carrying material, impeller 5 and grinding element 6 in blood vessel 14 and stops turning
Dynamic, stop excision work, stop chip 13 simultaneously and discharge, close local circulation, discharge near-end by fill pipe 9 inflatable auxiliary
Help the medium in separate cavities 2 and far-end inflatable auxiliary separate cavities 3.Now, complete complete resection work, the present invention is removed blood
Pipe 14；It is not fully complete complete resection work, continues the mobile present invention in blood vessel 14 and specify position, repeat the above steps to another
(2) and (3), work is removed having continued speckle 12.
Although being described this utility model above, but this utility model is not limited thereto, this area common
Technical staff is under enlightenment of the present utility model, without departing from this utility model objective and scope of the claimed protection situation
Under, it is also possible to make a lot of form, within belonging to protection of the present utility model.
Claims (3)
1. fluid-operated plaque within blood vessels removes a device, including being provided with suction channel, conveyance conduit and fill pipe
Main shaft, described main shaft be provided with from left to right near-end inflatable auxiliary separate cavities, suction socket and far-end inflatable auxiliary isolation
Chamber, described suction socket is connected with suction channel, described near-end inflatable auxiliary separate cavities and far-end inflatable auxiliary separate cavities
All be connected with described fill pipe by respective filling hole, it is characterised in that described near-end inflatable auxiliary separate cavities and
Being provided with grinding element between suction socket, described grinding element left surface is provided with impeller, described grinding element and impeller place
The major axis diameter of position is less than the major axis diameter of both sides around, and described transfer passage is arranged at the main shaft portion on the left of impeller,
The right output port of described transfer passage is positioned at the right flank of main shaft portion on the left of described impeller, and is connected with blood vessel.
The fluid-operated plaque within blood vessels of one the most according to claim 1 removes device, it is characterised in that described impeller
The main shaft portion in left side is provided with subsidiary conduit, and the right output port of described accessory channel is positioned at the right side of main shaft portion on the left of described impeller
Side, and be connected with blood vessel.
The fluid-operated plaque within blood vessels of one the most according to claim 1 removes device, it is characterised in that described conveying
Pipeline and suction channel respectively arrange one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620652655.1U CN205866805U (en) | 2016-06-23 | 2016-06-23 | Patch clearing device in fluid drive's blood vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620652655.1U CN205866805U (en) | 2016-06-23 | 2016-06-23 | Patch clearing device in fluid drive's blood vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205866805U true CN205866805U (en) | 2017-01-11 |
Family
ID=57692720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620652655.1U Withdrawn - After Issue CN205866805U (en) | 2016-06-23 | 2016-06-23 | Patch clearing device in fluid drive's blood vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205866805U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852932A (en) * | 2016-06-23 | 2016-08-17 | 天津大学 | Fluid-driven intravascular plaque removal device and method |
| WO2020172242A1 (en) * | 2019-02-20 | 2020-08-27 | Medtronic Vascular Inc. | Tissue-removing catheter including turbine |
| US11690645B2 (en) | 2017-05-03 | 2023-07-04 | Medtronic Vascular, Inc. | Tissue-removing catheter |
| US11819236B2 (en) | 2019-05-17 | 2023-11-21 | Medtronic Vascular, Inc. | Tissue-removing catheter |
| US11871958B2 (en) | 2017-05-03 | 2024-01-16 | Medtronic Vascular, Inc. | Tissue-removing catheter with guidewire isolation liner |
-
2016
- 2016-06-23 CN CN201620652655.1U patent/CN205866805U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852932A (en) * | 2016-06-23 | 2016-08-17 | 天津大学 | Fluid-driven intravascular plaque removal device and method |
| CN105852932B (en) * | 2016-06-23 | 2018-01-19 | 天津大学 | A kind of fluid-operated plaque within blood vessels remove device |
| US11690645B2 (en) | 2017-05-03 | 2023-07-04 | Medtronic Vascular, Inc. | Tissue-removing catheter |
| US11871958B2 (en) | 2017-05-03 | 2024-01-16 | Medtronic Vascular, Inc. | Tissue-removing catheter with guidewire isolation liner |
| US11896260B2 (en) | 2017-05-03 | 2024-02-13 | Medtronic Vascular, Inc. | Tissue-removing catheter |
| WO2020172242A1 (en) * | 2019-02-20 | 2020-08-27 | Medtronic Vascular Inc. | Tissue-removing catheter including turbine |
| CN113453632A (en) * | 2019-02-20 | 2021-09-28 | 美敦力瓦斯科尔勒公司 | Tissue removal catheter including a turbine |
| US11446053B2 (en) | 2019-02-20 | 2022-09-20 | Medtronic Vascular, Inc. | Tissue-removing catheter including turbine |
| US11819236B2 (en) | 2019-05-17 | 2023-11-21 | Medtronic Vascular, Inc. | Tissue-removing catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20180119 |