CN113842514A - Thrombus aspiration device and thrombus aspiration catheter - Google Patents
Thrombus aspiration device and thrombus aspiration catheter Download PDFInfo
- Publication number
- CN113842514A CN113842514A CN202111395889.4A CN202111395889A CN113842514A CN 113842514 A CN113842514 A CN 113842514A CN 202111395889 A CN202111395889 A CN 202111395889A CN 113842514 A CN113842514 A CN 113842514A
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- Prior art keywords
- thrombus
- wall
- thrombus aspiration
- suction catheter
- hundred
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Links
- 208000007536 Thrombosis Diseases 0.000 title claims abstract description 96
- 239000000463 material Substances 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 description 5
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000004351 coronary vessel Anatomy 0.000 description 3
- 230000037452 priming Effects 0.000 description 3
- 208000004476 Acute Coronary Syndrome Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
The invention relates to the technical field of thrombus aspiration, in particular to a thrombus aspiration device and a thrombus aspiration catheter, wherein the thrombus aspiration device comprises a thrombus aspiration catheter, a needle head, a self-sucking pump and a connecting tube seat, the needle head is arranged at the front end of the thrombus aspiration catheter, the self-sucking pump and the connecting tube seat are arranged on a pipeline of the thrombus aspiration catheter, a hundred-folded plate is arranged on the inner wall of the pipeline of the thrombus aspiration catheter close to an outlet, and a bendable fold line is arranged at the joint of the hundred-folded plate and the inner wall of the thrombus aspiration catheter. Novel design, suitable using widely.
Description
Technical Field
The invention relates to the technical field of thrombus aspiration, in particular to a thrombus aspiration device and a thrombus aspiration catheter.
Background
Coronary artery thrombus aspiration is heart intervention treatment which is based on percutaneous coronary artery intracavity molding and utilizes the negative pressure aspiration principle to aspirate thrombus out through a thrombus aspiration catheter. The treatment method mainly aims at the problem that a patient with acute coronary syndrome has a large amount of thrombus or vein transplantation vasculopathy in the coronary artery.
In the prior art, because thrombus in a blood vessel is extracted in a negative pressure mode, fixed negative pressure needs to be maintained in a pipeline, but in an actual situation, the situation of negative pressure reduction or air leakage often occurs, so that backflow of thrombus in an extraction pipeline can be caused, the whole extraction efficiency can be influenced, and therefore, a thrombus extraction device and a thrombus extraction catheter are provided.
Disclosure of Invention
The invention aims to solve the problem that thrombus in a thrombus suction tube possibly has backflow and affects the efficiency of a treatment process in the prior art, and provides a thrombus suction device and a thrombus suction catheter.
In order to achieve the purpose, the invention adopts the following technical scheme:
thrombus suction device and thrombus suction catheter, thrombus suction device comprises thrombus suction catheter, syringe needle, self priming pump and connection tube socket, and the syringe needle setting is provided with self priming pump and connection tube socket on the pipeline of thrombus suction catheter at the front end of thrombus suction catheter, the both sides of self priming pump are provided with the area of pasting of tearable formula respectively, and the tail end of thrombus suction catheter is provided with the export, be provided with hundred folded plates at its inner wall that is close to the export in the pipeline of thrombus suction catheter, hundred folded plates are the annular and distribute, and hundred folded plates extend towards the export, and hundred folded plates are soft hundred folding materials to the department of being connected of hundred folded plates and thrombus suction catheter inner wall is provided with the crease of folding.
Preferably, the inner wall of the thrombus suction catheter is provided with a nut sleeve, the nut sleeve is positioned between the connecting tube seat and the shutter plate, and a threaded tube is connected with the nut sleeve through an internal thread.
Preferably, a support is arranged on the inner side of the port of the threaded pipe facing the connecting pipe seat, and a rotating shaft is rotatably mounted on the support through a bearing component.
Preferably, a fixing column is led out downwards from the top wall of the connecting pipe seat, a motor is arranged at the bottom end of the fixing column, and the output end of the motor is coupled with the rotating shaft through a coupler to rotate.
Preferably, the end face of the threaded pipe facing the louver board is provided with a connecting ring, and the ring surface of the connecting ring far away from the threaded pipe is provided with a fixing ring.
Preferably, the fixing ring is in a circular truncated cone shape, and the outer curved surface of the fixing ring is abutted against the plate surface of the louver plate.
Preferably, the outer wall of the threaded pipe is provided with a threaded pipe wall matched with the threads of the nut sleeve.
Preferably, a plurality of caulking grooves are formed in the thrombus suction catheter in a circle, the caulking grooves are distributed in the circumferential direction, the caulking grooves and the hundred-folded plates are arranged in a one-to-one correspondence mode, the shape of the notches of the caulking grooves is matched with the external contour of the hundred-folded plates, and the hundred-folded plates are arranged in the caulking grooves.
Preferably, the inner space of the connecting pipe seat is designed into a channel, the fixing column is arranged along the central axis of the channel, and the motor is positioned at the upper half part of the channel.
The invention has the beneficial effects that: the thrombus suction catheter that this scheme provided has solved the condition that the thrombus in the thrombus suction tube probably exists the backward flow, influences the problem of treatment process efficiency, and the convenient fixing of pipe structure of tearable formula on the one hand, the portability is high, and on the other hand, the design of hundred folded plates can effectively prevent the thrombus piece backward flow that has been drawn out, is favorable to guaranteeing the continuation of whole thrombus suction process, and the modern design is suitable for using widely.
Drawings
FIG. 1 is a front view schematically illustrating the construction of a thrombus aspiration device and a thrombus aspiration catheter according to the present invention;
FIG. 2 is an enlarged view of the thrombus aspiration device and the thrombus aspiration catheter set forth in the present invention at A in FIG. 1;
FIG. 3 is a schematic view of the structure of the threaded tube of the thrombus aspiration device and the thrombus aspiration catheter according to the present invention;
FIG. 4 is a schematic cross-sectional view of the connection tube seat of the thrombus aspiration device and the thrombus aspiration catheter according to the present invention;
FIG. 5 is a schematic top view of the thrombus aspiration device and the thrombus aspiration catheter according to the present invention.
In the figure: 1 thrombus aspiration catheter, 2 needles, 3 self-priming pumps, 4 connecting tube seats, 5 hundred folded plates, 6 nut sleeves, 7 threaded tubes, 8 connecting rings, 9 fixing rings, 10 threaded tube walls, 11 supports, 12 rotating shafts, 13 caulking grooves, 14 fixing columns, 15 motors, 16 channels, 17 adhesive tapes and 18 outlets.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this embodiment, referring to fig. 1 to 5, thrombus suction device and thrombus suction catheter, thrombus suction device is by thrombus suction catheter 1, syringe needle 2, self-priming pump 3 and connecting tube seat 4 constitute, syringe needle 2 sets up the front end at thrombus suction catheter 1, be provided with self-priming pump 3 and connecting tube seat 4 on the pipeline of thrombus suction catheter 1, the both sides of self-priming pump 3 are provided with the adhesive tape 17 of tearable formula respectively, the tail end of thrombus suction catheter 1 is provided with export 18, the inherent inner wall that is close to export 18 of pipeline of thrombus suction catheter 1 is provided with hundred folded plates 5, hundred folded plates 5 are the annular and distribute, hundred folded plates 5 extend towards export 18, hundred folded plates 5 are soft hundred folding materials, and the junction of hundred folded plates 5 and thrombus suction catheter 1 inner wall is provided with the crease of can buckling.
The thrombus suction catheter 1 is characterized in that a nut sleeve 6 is arranged on the inner wall of the thrombus suction catheter 1, the nut sleeve 6 is positioned between a connecting tube seat 4 and a louver plate 5, a threaded tube 7 is connected with the nut sleeve 6 in a threaded manner, a support 11 is arranged on the inner side of the port of the threaded tube 7 facing the connecting tube seat 4, a rotating shaft 12 is rotatably arranged on the support 11 through a bearing component, a fixed column 14 is led out downwards from the top wall of the connecting tube seat 4, a motor 15 is arranged at the bottom end of the fixed column 14, the output end of the motor 15 is connected with the rotating shaft 12 through a coupling in a shaft coupling manner, a connecting ring 8 is arranged on the end face of the threaded tube 7 facing the louver plate 5, a fixed ring 9 is arranged on the ring surface of the connecting ring 8 far away from the threaded tube 7, the fixed ring 9 is in a circular truncated cone shape, the outer curved surface of the fixed ring 9 is abutted against the plate surface of the louver plate 5, a threaded tube wall 10 matched with the thread of the nut sleeve 6 is arranged on the outer wall of the threaded tube 7, and a plurality of embedded grooves 13 are formed on the inner wall of the thrombus suction catheter 1, the embedded grooves 13 are circumferentially distributed, the embedded grooves 13 are arranged in one-to-one correspondence with the louver plates 5, the notch shapes of the embedded grooves 13 are matched with the external profiles of the louver plates 5, the louver plates 5 are arranged in the embedded grooves 13, the internal space of the connecting pipe seat 4 is designed into a channel 16, the fixing columns 14 are arranged along the central axis of the channel 16, and the motor 15 is positioned at the upper half position of the channel 16.
The specific working principle is as follows: when thrombus is sucked, the needle head 2 is inserted into an arterial blood vessel, and the thrombus in the blood vessel can be sucked out by using the negative pressure of the self-sucking pump 3. With the uninterrupted operation of the self-sucking pump 3, the thrombus in the blood vessel can be continuously extracted, so that the aim of removing the thrombus can be achieved.
In the operation of thrombus extraction, there is a possibility that thrombus reflux occurs, and therefore, the shutter plate 5 is designed to address the above problem.
Referring to fig. 1 and 2, the folding plate 5 is made of folding material, and normally, it will be kept in a state of being folded toward the middle of the thrombus aspiration catheter 1, and the motor 15 in the connection tube holder 4 is started to control the rotation of the threaded tube 7. Here, in order to ensure that the threaded pipe 7 keeps moving linearly while rotating, the bracket 11 may be made of a material such as a plastic having high toughness, and the bracket 11 may be subjected to tensile deformation. The driving of the motor 15 makes the threaded pipe 7 move linearly, and then move towards the tail end through the fixing ring 9, and the fixing ring 9 pushes the louver plates 5 to rotate within a certain angle range:
when thrombus is extracted, the fixing ring 9 is pushed towards the tail end, and the louver plates 5 are pressed into the embedding grooves 13, so that gaps among the louver plates 5 are enlarged, and the thrombus can conveniently pass through; when thrombus backflow needs to be prevented, the fixing ring 9 is moved towards the front end, the circle of the louver plates 5 are arranged to be aligned and kept in a state of being close to the middle, and therefore gaps among the louver plates 5 become small, and thrombus cannot flow back.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The thrombus suction device is characterized by consisting of a thrombus suction catheter (1), a needle head (2), a self-sucking pump (3) and a connecting tube seat (4), wherein the needle head (2) is arranged at the front end of the thrombus suction catheter (1), the self-sucking pump (3) and the connecting tube seat (4) are arranged on a pipeline of the thrombus suction catheter (1), the two sides of the self-priming pump (3) are respectively provided with a tearable adhesive tape (17), the tail end of the thrombus suction catheter (1) is provided with an outlet (18), the inner wall of the pipe of the thrombus suction catheter (1) close to the outlet (18) is provided with a hundred-folded plate (5), the hundred-folded plate (5) is distributed annularly, the hundred-folded plate (5) extends towards the outlet (18), the hundred-folded plate (5) is made of soft hundred-folded material, and the connection part of the folded plate (5) and the inner wall of the thrombus suction catheter (1) is provided with bendable folding lines.
2. The thrombus aspiration device according to claim 1, wherein a nut sleeve (6) is arranged on the inner wall of the thrombus aspiration catheter (1), the nut sleeve (6) is positioned between the connecting tube seat (4) and the shutter plate (5), and a threaded tube (7) is connected in the nut sleeve (6) in a threaded manner.
3. The thrombus aspiration device according to claim 2, wherein a bracket (11) is provided inside the port of the threaded tube (7) facing the connection tube holder (4), and a rotating shaft (12) is rotatably mounted on the bracket (11) through a bearing member.
4. The thrombus suction device according to claim 3, wherein a fixed column (14) is led out downwards from the top wall of the connecting tube seat (4), a motor (15) is arranged at the bottom end of the fixed column (14), and the output end of the motor (15) is coupled with the rotating shaft (12) through a coupling to rotate.
5. The thrombus aspiration device according to claim 2, characterized in that the end surface of the threaded tube (7) facing the louver plate (5) is provided with a connecting ring (8), and the annular surface of the connecting ring (8) away from the threaded tube (7) is provided with a fixing ring (9).
6. The thrombus aspiration device according to claim 5, characterized in that the fixing ring (9) is in a circular truncated cone shape, and the outer curved surface of the fixing ring (9) abuts against the plate surface of the louver plate (5).
7. A thrombus aspiration device according to claim 2, wherein a threaded tube wall (10) which is screw-fitted with the nut sleeve (6) is provided on the outer wall of the threaded tube (7).
8. The thrombus suction device according to claim 1, wherein the thrombus suction catheter (1) is provided with a plurality of embedded grooves (13) on the inner wall of the thrombus suction catheter in a circle, the embedded grooves (13) are distributed circumferentially, the embedded grooves (13) and the louver plates (5) are arranged in a one-to-one correspondence manner, the notch shape of the embedded grooves (13) is matched with the external contour of the louver plates (5), and the louver plates (5) are arranged in the embedded grooves (13).
9. The thrombus aspiration device according to claim 1, wherein the inner space of the connection tube base (4) is designed as a passage (16), the fixing column (14) is disposed along the central axis of the passage (16), and the motor (15) is located at the upper half position of the passage (16).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021102513952 | 2021-03-08 | ||
| CN202110251395 | 2021-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113842514A true CN113842514A (en) | 2021-12-28 |
Family
ID=78982198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111395889.4A Pending CN113842514A (en) | 2021-03-08 | 2021-11-23 | Thrombus aspiration device and thrombus aspiration catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113842514A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6059745A (en) * | 1997-05-20 | 2000-05-09 | Gelbfish; Gary A. | Thrombectomy device and associated method |
| CN101132830A (en) * | 2005-03-11 | 2008-02-27 | 玉骑 | Device and method for eliminating sediment in veins of human and animals |
| CN201580394U (en) * | 2009-12-30 | 2010-09-15 | 孟庆禧 | Automatically loading, unloading and sealing stock preparing box |
| CN102207399A (en) * | 2011-04-02 | 2011-10-05 | 中国科学院广州地球化学研究所 | Motor-driven flap valve drainage and gas-collecting system for seabed coldspring leakage flow measurement |
| CN203802532U (en) * | 2014-03-21 | 2014-09-03 | 吴智群 | Thrombus aspiration system |
| CN104121397A (en) * | 2014-07-11 | 2014-10-29 | 张跃 | Fireproof single valve |
| CN104390512A (en) * | 2014-09-28 | 2015-03-04 | 青岛大学 | Reinforced descaling type heat exchange device |
| CN208295206U (en) * | 2018-06-19 | 2018-12-28 | 浙江音诺伟森热能科技有限公司 | The check valve apparatus that flue gas flows backward |
| WO2019001245A1 (en) * | 2017-06-30 | 2019-01-03 | 微创心脉医疗科技（上海）有限公司 | Mechanical thrombus removal device |
| CN111888543A (en) * | 2020-08-06 | 2020-11-06 | 上海腾复医疗科技有限公司 | Negative pressure suction device |
-
2021
- 2021-11-23 CN CN202111395889.4A patent/CN113842514A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6059745A (en) * | 1997-05-20 | 2000-05-09 | Gelbfish; Gary A. | Thrombectomy device and associated method |
| CN101132830A (en) * | 2005-03-11 | 2008-02-27 | 玉骑 | Device and method for eliminating sediment in veins of human and animals |
| CN201580394U (en) * | 2009-12-30 | 2010-09-15 | 孟庆禧 | Automatically loading, unloading and sealing stock preparing box |
| CN102207399A (en) * | 2011-04-02 | 2011-10-05 | 中国科学院广州地球化学研究所 | Motor-driven flap valve drainage and gas-collecting system for seabed coldspring leakage flow measurement |
| CN203802532U (en) * | 2014-03-21 | 2014-09-03 | 吴智群 | Thrombus aspiration system |
| CN104121397A (en) * | 2014-07-11 | 2014-10-29 | 张跃 | Fireproof single valve |
| CN104390512A (en) * | 2014-09-28 | 2015-03-04 | 青岛大学 | Reinforced descaling type heat exchange device |
| WO2019001245A1 (en) * | 2017-06-30 | 2019-01-03 | 微创心脉医疗科技（上海）有限公司 | Mechanical thrombus removal device |
| CN208295206U (en) * | 2018-06-19 | 2018-12-28 | 浙江音诺伟森热能科技有限公司 | The check valve apparatus that flue gas flows backward |
| CN111888543A (en) * | 2020-08-06 | 2020-11-06 | 上海腾复医疗科技有限公司 | Negative pressure suction device |
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