CN111568497B - Thrombus thrombolysis clearing device and use method thereof - Google Patents
Thrombus thrombolysis clearing device and use method thereof Download PDFInfo
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- CN111568497B CN111568497B CN202010404408.0A CN202010404408A CN111568497B CN 111568497 B CN111568497 B CN 111568497B CN 202010404408 A CN202010404408 A CN 202010404408A CN 111568497 B CN111568497 B CN 111568497B
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- thrombus
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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
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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
- A61B2017/22079—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 with suction of debris
-
- 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
- A61B2017/22082—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 after introduction of a substance
- A61B2017/22084—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 after introduction of a substance stone- or thrombus-dissolving
Abstract
The invention discloses a thrombus thrombolysis clearing device and a using method thereof, relates to the field of medical instruments, and aims to solve the problem that the existing thrombus clearing device is difficult to clear thrombus on a blood vessel wall, so that the thrombus is not completely cleared. The thrombus thrombolysis clearing device is characterized in that a thrombus suction head is arranged on a fixed cutter holder and is rotationally connected with the fixed cutter holder, a transmission pipe is sleeved in an outer pipe, one end of the transmission pipe, which is provided with a through hole, extends out of the outer pipe, a liquid cavity bag is arranged on the outer pipe wall of the outer pipe between a blocking edge and a blocking ring, a sliding seat is sleeved on the transmission pipe and is in sliding connection with the transmission pipe, the sliding seat is positioned between the blocking edge and the blocking ring, and a thrombus crushing cutter is fixedly arranged between the fixed cutter holder and the sliding seat. The pressurized normal saline or thrombolytic drugs are sprayed out from the fluid cavity sac to break thrombus, and simultaneously the driver drives the transmission tube to rotate at high speed to drive the thrombus breaking knife on the sliding seat to cut the thrombus in a rotary manner, and the tensioned thrombus breaking knife can scrape the thrombus on the vascular wall. The invention is applied to the medical field.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a thrombus thrombolysis clearing device and a using method thereof.
Background
Currently, thrombus clearing devices are generally applied in clinic, and such devices generally clear thrombus in blood vessels by means of dissolving, crushing or sucking and the like so as to restore blood circulation. However, in the conventional thrombus removal device, a rotary blade is generally arranged in a thrombus suction tube, and thrombus is sucked into the thrombus suction tube by negative pressure suction, crushed by the rotary blade and taken out of the body, but thrombus blocks adhered to the blood vessel wall are difficult to be stripped by the negative pressure suction sometimes and remain on the blood vessel wall, so that the thrombus is not completely removed, and thrombus blockage is developed again.
Disclosure of Invention
The invention aims to solve the problem that the existing thrombus removing device is difficult to remove thrombus on a blood vessel wall, so that the thrombus is not completely removed, and provides a thrombus thrombolysis removing device and a using method thereof.
The thrombus thrombolysis removing device comprises an outer tube, a transmission tube, a thrombus suction head, a plurality of thrombus crushing cutters, a liquid cavity bag, a guide wire, a sliding seat, a driver, a negative pressure suction device and a medicine injector, wherein a fixed cutter holder is arranged at the front end of the transmission tube; the sliding seat is sleeved on the transmission pipe and is in sliding connection with the transmission pipe, the sliding seat is positioned between the blocking edge and the blocking ring, the bolt crushing cutter is fixedly arranged between the fixed cutter holder and the sliding seat, and the plurality of bolt crushing cutters are arranged along the circumferential direction of the fixed cutter holder;
a cavity between the outer tube and the transmission tube at the rear part of the liquid sac cavity is a liquid injection cavity, the liquid injection cavity is communicated with the liquid sac cavity through an axial through hole on the baffle ring, a guide wire penetrates through the transmission tube, and one end of the guide wire penetrates out of the suction bolt head;
the tail end cover of outer tube is equipped with first connecting piece, and first branch pipe on the first connecting piece is linked together with annotating the liquid chamber, and the injection ware is connected on the branch pipe, and the driving pipe is worn out after first connecting piece, and the driving pipe is rotatory by the driver drive, and the trailing end connection of driving pipe has the second connecting piece, and negative pressure suction device communicates in second branch pipe and the driving pipe on through the second connecting piece, and the other end of seal wire is worn out from the rear portion of second connecting piece.
Further, the suction plug head is in a cone shape.
Further, a development mark is provided on the plug head.
Further, 2 ~ 6 garrulous bolt sword evenly set up along the circumferencial direction of fixed blade holder.
Further, be provided with 2 ~ 4 direction keys along the body circumferencial direction of transmission pipe, sliding seat sliding connection on the direction key.
Furthermore, thrombolytic drugs or pressurized normal saline are injected into the injection cavity through the medicine injector.
Further, the opening of the injection hole on the liquid cavity sac is sprayed to the direction of the suction plug head.
The use method of the thrombus thrombolysis clearing device is realized according to the following steps:
firstly, puncturing a blood vessel, wherein one end of a guide wire penetrates into the blood vessel and a thrombus, and a thrombus thrombolysis removing device is sent to the thrombus of the blood vessel along the other end of the guide wire;
and secondly, pressurized normal saline or thrombolytic drug is injected into the injection cavity through the drug injector, the pressurized normal saline or thrombolytic drug pushes the sliding seat to move forwards through the axial through hole on the retaining ring, the thrombus breaking knife is tensioned, the driver drives the transmission tube to rotate at high speed, the transmission tube drives the thrombus breaking knife on the sliding seat to rotate to break thrombus, the pressurized normal saline or thrombolytic drug in the liquid sac cavity is sprayed out from the spray hole to break the thrombus, the negative pressure suction device builds a negative pressure environment in the transmission tube, thrombus fragments are sucked into the transmission tube from the through hole on the transmission tube and are extracted from the blood vessel, and finally, the thrombus thrombolytic removal device is extracted from the blood vessel.
The invention has the following beneficial effects:
the thrombus thrombolysis clearing device is guided to the thrombus position in a blood vessel through a guide wire, a pressurized normal saline or thrombolysis medicine is injected into a liquid injection cavity between an outer tube and a transmission tube by an injector, a sliding seat is pushed to move forwards through an axial through hole on a baffle ring, a thrombus breaking knife is bent, the pressurized normal saline or thrombolysis medicine is sprayed out from a spray hole to break thrombus after filling a liquid bag cavity, meanwhile, a driver drives the transmission tube to rotate at a high speed to drive the thrombus breaking knife on the sliding seat to rotate in a rotary mode, the tensioned thrombus breaking knife can scrape the thrombus on the blood vessel wall, the thrombus can be dissolved through the thrombolysis medicine, and the broken thrombus block is pumped out of the blood vessel through the negative pressure suction effect in the transmission tube. The invention cuts up thrombus under the combined action of the thrombus cutting knife and the pressurized jet flow, and can more thoroughly remove thrombus adhered to the vessel wall without residual thrombus by combining the thrombolytic process of the thrombolytic agent.
Drawings
FIG. 1 is a schematic view of the overall structure of the thrombolytic removal device of the present invention;
FIG. 2 is a schematic structural view of the thrombus thrombolysis removing device in a state that the liquid chamber is not filled with liquid;
fig. 3 is a schematic structural diagram of a fifth embodiment of a guide key.
Detailed Description
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
To make the objects, aspects and advantages of the embodiments of the present invention more apparent, the following detailed description clearly illustrates the spirit of the disclosure, and any person skilled in the art, after understanding the embodiments of the disclosure, may make changes and modifications to the technology taught by the disclosure without departing from the spirit and scope of the disclosure.
The exemplary embodiments and descriptions of the present invention are provided to explain the present invention and not to limit the present invention.
The beneficial effects of the present invention are demonstrated by the following examples:
the first embodiment is as follows: the thrombolytic removal device comprises an outer tube 1, a transmission tube 2, a thrombus suction head 3, a plurality of thrombus crushing cutters 4, a liquid cavity sac 5, a guide wire 6, a sliding seat 7, a driver 12, a negative pressure suction device 13 and a drug injector 14, wherein the front end of the transmission tube 2 is provided with a fixed cutter holder 2-1, the transmission tube 2 is provided with a plurality of through holes 2-2 on the tube body adjacent to the fixed cutter holder 2-1, the thrombus suction head 3 is arranged on the fixed cutter holder 2-1 and is rotationally connected with the fixed cutter holder 2-1, the transmission tube 2 is sleeved in the outer tube 1, one end of the transmission tube 2 provided with the through holes 2-2 extends out of the outer tube 1, the front end tube edge of the outer tube 1 is provided with a blocking edge 1-1, the inner wall of the outer tube 1 is provided with a blocking ring 1-2, the liquid cavity sac 5 is arranged on the outer tube wall of the outer tube 1 between, the liquid cavity bag 5 is provided with an injection hole 5-1, the liquid cavity bag 5, the baffle edge 1-1 and the baffle ring 1-2 enclose a liquid cavity 9, and when the liquid cavity 9 is filled with liquid, the liquid cavity bag 5 expands along the radial direction of the outer tube 1; 2 guide keys 2-3 are arranged along the circumferential direction of the tube body of the transmission tube 2, a sliding seat 7 is sleeved on the transmission tube 2 and is connected with the guide keys 2-3 in a sliding manner, the sliding seat 7 is positioned between the blocking edge 1-1 and the blocking ring 1-2, the bolt crushing cutters 4 are fixedly arranged between the fixed cutter holder 2-1 and the sliding seat 7, and the four bolt crushing cutters 4 are arranged along the circumferential direction of the fixed cutter holder 2-1;
a cavity between the outer tube 1 and the transmission tube 2 at the rear part of the liquid bag cavity 9 is a liquid injection cavity 8, the liquid injection cavity 8 is communicated with the liquid bag cavity 9 through an axial through hole 1-3 on the baffle ring 1-2, a guide wire 6 is arranged in the transmission tube 2 in a penetrating way, and one end of the guide wire 6 penetrates out of the suction bolt head 3;
the tail end cover at outer tube 1 is equipped with first connecting piece 10, first branch pipe 11 on first connecting piece 10 is linked together with annotating liquid chamber 8, medicine injector 14 is connected on branch pipe 11, wearing out behind first connecting piece 10 of driving pipe 2 follow, driving pipe 2 is rotatory by the drive of driver 12, the trailing end connection of driving pipe 2 has second connecting piece 15, negative pressure suction device 13 passes through in second branch pipe 16 and the driving pipe 2 on through second connecting piece 15, the other end of seal wire 6 is worn out from the rear portion of second connecting piece 15.
Example two: the use method of the thrombus thrombolysis clearing device is realized according to the following steps:
firstly, puncturing a blood vessel, wherein one end of a guide wire 6 penetrates into the blood vessel and a thrombus, and a thrombus thrombolysis clearing device is sent to the thrombus of the blood vessel along the other end of the guide wire 6;
secondly, pressurized thrombolytic drugs are injected into the injection cavity 8 through the drug injector 14, the pressurized thrombolytic drugs push the sliding seat 7 to move forwards through the axial through hole 1-3 on the retaining ring 1-2, the thrombus breaking knife 4 is tensioned, the driver 12 drives the transmission tube 2 to rotate at a high speed, the transmission tube 2 drives the thrombus breaking knife 4 on the sliding seat 7 to rotate to break thrombus, the pressurized thrombolytic drugs in the liquid sac cavity 9 are sprayed out from the injection hole 5-1 to break the thrombus, the negative pressure suction device 13 builds a negative pressure environment in the transmission tube 2, thrombus fragments are sucked into the transmission tube 2 from the through hole 2-2 on the transmission tube 2, the thrombus fragments are extracted from the blood vessel, and finally the thrombus thrombolytic removal device is extracted from the blood vessel.
This embodiment thrombus thrombolysis clearing device sprays and the rotary-cut effect of garrulous thrombectomy sword through the thrombolysis medicine of pressurization earlier, can clear away the thrombus of adhesion on the vascular wall, has sprayed the thrombolytic agent on the vascular wall and carries out the thrombolysis, and the thrombus of adhesion on the vascular wall of clearing away that can be more thorough has avoided remaining the hidden danger that the thrombus brought on the vascular wall.
Claims (6)
1. A thrombus thrombolysis clearing device is characterized by comprising an outer tube (1), a transmission tube (2), a thrombus suction head (3), a plurality of thrombus crushing cutters (4), a liquid cavity sac (5), a guide wire (6), a sliding seat (7), a driver (12), a negative pressure suction device (13) and a medicine injector (14), wherein a fixed cutter holder (2-1) is arranged at the front end of the transmission tube (2), a plurality of through holes (2-2) are formed in the tube body, close to the fixed cutter holder (2-1), of the transmission tube (2), the thrombus suction head (3) is installed on the fixed cutter holder (2-1) and is rotatably connected with the fixed cutter holder (2-1), the transmission tube (2) is sleeved in the outer tube (1), one end, provided with the through holes (2-2), of the transmission tube (2) extends out of the outer tube (1), a blocking edge (1-1) is arranged at the front end of the outer tube (1), a baffle ring (1-2) is arranged on the inner wall of the outer pipe (1), a liquid cavity bag (5) is arranged on the outer wall of the outer pipe (1) between the baffle edge (1-1) and the baffle ring (1-2), a jet hole (5-1) is formed in the liquid cavity bag (5), the opening of the jet hole (5-1) is jetted to the direction of the suction bolt head (3), the liquid cavity bag (5), the baffle edge (1-1) and the baffle ring (1-2) enclose a liquid cavity (9), and when liquid is filled in the liquid cavity (9), the liquid cavity bag (5) expands along the radial direction of the outer pipe (1); the sliding seat (7) is sleeved on the transmission pipe (2) and is in sliding connection with the transmission pipe (2), the sliding seat (7) is located between the blocking edge (1-1) and the blocking ring (1-2), the bolt crushing cutters (4) are fixedly arranged between the fixed cutter holder (2-1) and the sliding seat (7), and the plurality of bolt crushing cutters (4) are arranged along the circumferential direction of the fixed cutter holder (2-1);
a cavity between the outer tube (1) and the transmission tube (2) at the rear part of the liquid sac cavity (9) is a liquid injection cavity (8), the liquid injection cavity (8) is communicated with the liquid sac cavity (9) through an axial through hole (1-3) on the baffle ring (1-2), a guide wire (6) is arranged in the transmission tube (2) in a penetrating way, and one end of the guide wire (6) penetrates out of the suction plug head (3);
the tail end cover in outer tube (1) is equipped with first connecting piece (10), first branch pipe (11) on first connecting piece (10) are linked together with annotating liquid chamber (8), medicine injection ware (14) are connected on branch pipe (11), drive pipe (2) are worn out from the rear portion of first connecting piece (10), drive pipe (2) are rotatory by driver (12) drive, the trailing end connection of drive pipe (2) has second connecting piece (15), negative pressure suction device (13) are through second branch pipe (16) on second connecting piece (15) and drive pipe (2) interior intercommunication, the other end of seal wire (6) is worn out from the rear portion of second connecting piece (15).
2. A thrombolytic removal device according to claim 1, wherein the head (3) is in the shape of a cone.
3. A thrombolytic removal device according to claim 1, wherein the pipette head (3) is provided with visualization marks.
4. The thrombolysis removal device according to claim 1, wherein 2 to 6 thrombolysis cutters (4) are uniformly arranged along the circumferential direction of the fixed cutter holder (2-1).
5. The thrombolysis removing device according to claim 1, wherein 2-4 guiding keys (2-3) are arranged along the circumferential direction of the body of the transmission tube (2), and the sliding seat (7) is connected on the guiding keys (2-3) in a sliding manner.
6. The thrombolysis removing device according to claim 1, wherein the injection chamber (8) is injected with thrombolytic drug or pressurized physiological saline through the drug injector (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404408.0A CN111568497B (en) | 2020-05-13 | 2020-05-13 | Thrombus thrombolysis clearing device and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404408.0A CN111568497B (en) | 2020-05-13 | 2020-05-13 | Thrombus thrombolysis clearing device and use method thereof |
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| Publication Number | Publication Date |
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| CN111568497A CN111568497A (en) | 2020-08-25 |
| CN111568497B true CN111568497B (en) | 2021-03-19 |
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| CN202010404408.0A Active CN111568497B (en) | 2020-05-13 | 2020-05-13 | Thrombus thrombolysis clearing device and use method thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973459A (en) * | 2020-09-01 | 2020-11-24 | 黑龙江省医院 | Feeder is used in hemiplegia patient's nursing |
| CN112516437B (en) * | 2020-12-03 | 2022-05-06 | 广东博迈医疗科技股份有限公司 | Balloon dilatation catheter with thrombus filter |
| CN114642475A (en) * | 2020-12-18 | 2022-06-21 | 上海蓝脉医疗科技有限公司 | Thrombus removing device |
| CN112545899A (en) * | 2020-12-26 | 2021-03-26 | 黑龙江省医院 | Quick nursing lung-heat-clearing sputum discharging device for respiratory medicine |
| CN112617963B (en) * | 2020-12-28 | 2023-09-29 | 吉林一方科技有限公司 | Thrombus clearing device |
| CN113397652B (en) * | 2021-05-06 | 2022-07-22 | 深圳脉动医学技术有限公司 | Minimally invasive vascular embolism removing device for cardiovascular surgery |
| CN113331919B (en) * | 2021-07-13 | 2022-09-06 | 迈得诺医疗科技集团有限公司 | Device and system for removing blood vessel caking |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7344546B2 (en) * | 2000-04-05 | 2008-03-18 | Pathway Medical Technologies | Intralumenal material removal using a cutting device for differential cutting |
| KR101040690B1 (en) * | 2008-10-21 | 2011-06-10 | 최종수 | handle of liposuction |
| WO2013040160A1 (en) * | 2011-09-13 | 2013-03-21 | Pigott John P | Intravascular catheter having an expandable incising portion |
| US10448969B2 (en) * | 2012-05-09 | 2019-10-22 | Fusion Medical, Inc. | Clot removal device for blood vessels |
| EP3017775A1 (en) * | 2014-11-07 | 2016-05-11 | National University of Ireland, Galway | A thrombectomy device |
| JP6754760B2 (en) * | 2015-06-02 | 2020-09-16 | テルモ株式会社 | Medical device |
| IL252608B (en) * | 2017-06-01 | 2021-06-30 | Amnis Therapeutics Ltd | Devices for the removal of clots |
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