CN113440214A - Thrombus removing device - Google Patents
Thrombus removing device Download PDFInfo
- Publication number
- CN113440214A CN113440214A CN202010214949.7A CN202010214949A CN113440214A CN 113440214 A CN113440214 A CN 113440214A CN 202010214949 A CN202010214949 A CN 202010214949A CN 113440214 A CN113440214 A CN 113440214A
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- CN
- China
- Prior art keywords
- thrombus
- conveying pipe
- removal device
- guide wire
- elastic rib
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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
-
- 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
- A61B2017/22038—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 a guide wire
-
- 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
- A61B2017/22072—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 an instrument channel, e.g. for replacing one instrument by the other
-
- 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
Abstract
The application relates to the technical field of thrombus removal, in particular to a thrombus removal device. The thrombus removing device comprises an elastic rib, the elastic rib comprises a thrombus treatment part and a connecting part which are sequentially connected, the free state of the expanded thrombus treatment part has a certain length, a band membrane is attached to the outer side of the free state, one end of the connecting part, which is positioned outside a blood vessel, is connected to an operation part, and the thrombus treatment part can rotate or move through the operation part. The thrombus clearing device provided by the application can more thoroughly clear thrombus and further protect the vascular wall from being damaged.
Description
Technical Field
The application relates to the technical field of thrombus removal, in particular to a thrombus removal device.
Background
Thrombotic disease is a disease in which abnormal blood clots in the blood circulation of humans and animals develop during their survival. The traditional Chinese medicine is very common in clinic, seriously harms the life and health of the public, has the characteristics of high morbidity, high disability rate, high death rate and high recurrence rate, is one of the main diseases causing death and disability of the middle-aged and the elderly, and often causes irreversible serious consequences once the thrombus is formed. The research on the thrombus clearing technology and the development of related equipment are not interrupted and continuously innovated by related technicians. Puncture head among the prior art is in order to can take foreign matter such as intravascular thrombus, thrombus piece, blood clot, blood lipid plaque out as far as possible, adopts hard material to make more, but the vascular wall is softer, and the puncture head of hard material touches the vascular wall, causes the vascular wall impaired very likely, causes more serious consequence. In order to further protect the vessel wall and remove the thrombus more thoroughly, a new thrombus removal device is needed to achieve the purpose.
Disclosure of Invention
The application provides a thrombus removal device to more thorough clearance thrombus and further protection vascular wall do not receive the damage.
The application provides a thrombus removal device, includes:
an elastic tendon which comprises a thrombus treatment part and a connecting part which are connected in sequence,
the thrombus treatment section has a certain length in a free state after being deployed, and a tape film is attached to the outside thereof,
one end of the connecting part, which is positioned outside the blood vessel, is connected to the control part, and the thrombus treatment part can rotate or move through the control part.
Compared with the prior art, the thrombus treatment part of the elastic rib of the thrombus clearing device provided by the application can stretch into the position of thrombus in a blood vessel and is unfolded, the thrombus treatment part of the elastic rib can rotate in the blood vessel by operating the control part connected with the connecting part of the elastic rib, so that the thrombus is entangled, the thrombus is more forceful when being pulled back, the pulled back thrombus is more, the thrombus is not easy to scatter in the process, the thrombus is more thoroughly cleared, the film attached to the outer side of the elastic rib can stick the thrombus and pocket the thrombus, the thrombus can be broken, and the thrombus can be conveniently pulled back; moreover, the outside of the elastic rib is attached with the band membrane, so that the blood vessel wall can be protected from being damaged even if the band membrane touches the blood vessel wall in the working process of the blood vessel, and more serious consequences can be prevented.
Further, the thrombus treatment portion is in a wave-like or spiral shape in a free state after deployment.
The wave shape or the spiral shape can strengthen the resistance surface of the belt membrane and improve the winding force, so that the belt membrane is easier to entangle thrombus and can entangle more thrombus, and the removal is more thorough.
Further, the elastic ribs are of tubular structures;
the guide wire is partially positioned in the elastic rib, one end of the guide wire is fixedly connected to the free end of the thrombus treatment part of the elastic rib, and the other end of the guide wire extends out of the control part;
the size of the radius of rotation of the thrombus treatment section is controlled by controlling the length of the guide wire inside the elastic rib.
Like this the accessible control seal wire is located the inside length of elastic muscle, and then the size of the radius of rotation of control thrombus processing portion makes thrombus processing portion realize the adherence in different pipe diameter blood vessels, can also control its radius of rotation according to the size of thrombus volume to better, more efficient clears away the thrombus.
Furthermore, the guide wire is made of rigid materials, and the thrombus treatment part is controlled to be in a free state, a compressed state or an extended state by controlling the length of the guide wire in the elastic rib; and/or
The belt film is made of flexible materials.
The band membrane is made of flexible materials with certain flexibility and softness, and can be used for protecting the vascular wall from being damaged more closely. The guide wire made of the rigid material has stronger functionality and more convenient and more efficient use.
Furthermore, the control part is a handle, one end of the control part is connected with the connecting part of the elastic rib,
and the handle is of a hollow structure, and one end of the guide wire extending out of the elastic rib penetrates through the handle and extends out by a certain length to serve as a guide wire control end.
Can directly control the length that the seal wire is located the elastic tendon inside through controlling this seal wire control end like this, and then control thrombus treatment portion's radius of rotation's size, the outside radius of rotation that increases thrombus treatment portion of seal wire control end of concrete accessible is twitched, increase extraction area promptly, reduce thrombus treatment portion's radius of rotation through inside promotion seal wire control end, reduce extraction area promptly, radius of rotation through increase or reduction thrombus treatment portion, can make thrombus treatment portion enter into the blood vessel of different pipe diameters, can also control its radius of rotation according to the size control of thrombus volume, it draws the dynamics of thrombus to control it, better, more efficient clearance thrombus. The thrombus can be broken and dragged into the catheter by rotating and moving back and forth through the external handle.
Furthermore, the elastic rib is conveyed into the blood vessel through a conveyor, the conveyor comprises a conveying pipe, the control part and a conveying pump, and the elastic rib is in a radial compression state in the conveying pipe.
The conveyor can well convey the elastic ribs to thrombus positions in blood vessels, and effective and normal work of the elastic ribs is guaranteed.
Furthermore, a thrombus suction port communicated with the interior of the conveying pipe is formed in the pipe wall of the conveying pipe outside the blood vessel and communicated with a thrombus suction pipe outside the conveying pipe.
In order to facilitate the thrombus in the conveying pipe to be removed at any time, the conveying pipe can still enter the position of the thrombus in the blood vessel to carry out the operation of removing the thrombus from the blood vessel under the condition of not drawing out the conveying pipe entering the blood vessel, and the thrombus is drawn back into the conveying pipe.
Furthermore, the wall of the delivery pipe outside the blood vessel is also provided with a water injection port communicated with the interior of the delivery pipe, and the water injection port is communicated with a water injection pipe outside the delivery pipe.
The device is used for injecting physiological saline into the delivery pipe to dilute thrombus in the delivery pipe, so that the thrombus can be sucked out more conveniently, and the thrombus can be sucked and removed more thoroughly.
Furthermore, a water spraying opening is arranged on the inner wall of the conveying pipe towards the interior of the conveying pipe, one end of the water spraying opening far away from the interior of the conveying pipe is communicated with the water filling opening through a connecting pipe,
and the water spray opening is arranged in the middle of the conveying pipe or at a position close to the injection end of the conveying pipe.
Because the thrombus is drawn back into the conveying pipe and is mostly concentrated on the front half part of the conveying pipe, the water spraying port can be arranged at the middle part of the conveying pipe or the position close to the injection end so as to accelerate the speed of thrombus dilution, improve the thrombus dilution thoroughness and improve the working efficiency.
Furthermore, the connecting pipe is embedded in the side wall of the conveying pipe.
In order to prevent the connecting tube from interfering with the normal operation of the elastic rib.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
FIG. 1 is a schematic structural view of a thrombectomy device provided in an embodiment of the present application;
FIG. 2 is a schematic view of a thrombus removal device according to another embodiment of the present application;
fig. 3 is a partial structural schematic diagram of an elastic rib provided in an embodiment of the present application.
Reference numerals:
10-a delivery pipe;
11-injection end;
12-a distal end;
13-thrombus aspiration port;
14-a water injection port;
15-water spraying mouth;
16-a connecting tube;
20-a handle;
21-a barrier;
30-elastic ribs;
31-thrombus treatment section;
311-free end;
32-a connecting portion;
33-with a membrane;
40-a guide wire;
41-guide wire control end;
50-a thrombus aspiration tube;
60-water injection pipe.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
As shown in fig. 1, the present embodiment provides a thrombus removing device for removing thrombus in a blood vessel, comprising an elastic rib 30, which comprises a thrombus treatment portion 31 and a connection portion 32 connected in sequence, wherein the thrombus treatment portion 31 has a certain length in a free state after being unfolded, and a band film 33 is attached to the outer side of the elastic rib, preferably, the band film 33 is made of a flexible material with certain flexibility and softness, so as to further protect the blood vessel wall from being damaged, one end of the connection portion 32 located outside the blood vessel is connected to an operation portion, which may be a handle 20, and the thrombus treatment portion 31 of the elastic rib 30 can be rotated or moved by rotating and moving the handle 20 back and forth.
Compared with the prior art, thrombus clearing device's that this application embodiment provided thrombus clearing device's thrombus processing portion 31 can stretch into to intravascular thrombus position department, the expansion, the control portion that connecting portion 32 of rethread operation and elastic muscle 30 is connected specifically can be handle 20, the thrombus processing portion 31 that makes elastic muscle 30 is at the intravascular rotation, entangle the thrombus, it is more powerful when pulling back the thrombus, the thrombus volume of pulling back is more, the in-process is also difficult for scattering, more thorough of cleaing away, the area membrane that the elastic muscle outside was attached can glue and get thrombus and pocket thrombus, can also smash the thrombus, in order to conveniently pull back the thrombus. The position of the thrombus treatment part 31 in the blood vessel can be moved by controlling the control part, particularly the handle 20 to move so as to reach the thrombus position at any time; furthermore, the band film 33 attached to the outside of the elastic rib 30 can protect the blood vessel wall from being damaged even if the band film 33 touches the blood vessel wall during the operation in the blood vessel, thereby preventing more serious consequences.
In a preferred embodiment, the free state of the thrombus treatment section 31 of the elastic bead 30 in the above-described embodiment after deployment is a wave or spiral shape. The wave shape or the spiral shape can strengthen the resistance surface of the belt film 33 and improve the winding force, so that the belt film is easier to wind thrombus and can wind more thrombus, and the removal is more thorough.
In a specific embodiment, the elastic rib 30 can be delivered into the blood vessel by a delivery device, the delivery device comprises the delivery tube 10, the control part and a delivery pump, the elastic rib 30 is radially compressed in the delivery tube 10, and the delivery pump provides power for delivering the elastic rib 30. The delivery tube 10 has an injection end 11 and a distal end 12 at each end. The conveyor can well convey the elastic ribs 30 to thrombus positions in blood vessels, and ensures the effective and normal work of the elastic ribs 30.
In a more preferred embodiment, as shown in fig. 2 and 3, the elastic rib 30 may have a tubular structure, and the thrombus removal device may further include a guide wire 40 traversing through the elastic rib 30, and having one end fixedly connected to the free end 311 of the thrombus treatment section 31 of the elastic rib 30 and the other end extending to a manipulation section, specifically, the manipulation section may be a handle 20, and the handle 20 may have a hollow structure, and the other end of the guide wire may extend out of the elastic rib 30 and traverse the handle 20 by a length as a guide wire control end 41. Can directly control the length that the seal wire is located the elastic tendon inside through controlling this seal wire control end 41 like this, and then control thrombus treatment portion 31's rotation radius's size, the rotation radius of thrombus treatment portion 31 is increased to specific accessible outwards twitching seal wire control end 41, increase extraction area promptly, reduce thrombus treatment portion 31's rotation radius through inwards promoting seal wire control end 41, reduce extraction area promptly, through the rotation radius of increase or reduction thrombus treatment portion 31, can make thrombus treatment portion 31 enter into the blood vessel of different pipe diameters, can also control its rotation radius according to the size of thrombus volume, control its dynamics of dragging the thrombus, in order better, more efficient clearance thrombus. The control mode of the guide wire control end 41 and the handle can be manual or automatic, and particularly, the guide wire control end can be connected with an automatic controller.
On the basis of the foregoing embodiment, the guide wire 40 may be made of a rigid material, and the thrombus treatment portion 31 of the elastic rib 30 can be in an extended or compressed state by controlling the control end 41 of the guide wire, and specifically, the thrombus treatment portion 31 can be controlled to be in a free state, a compressed state or an extended state by controlling the length of the guide wire inside the thrombus treatment portion 31, so that the functionality is stronger, and the use is more convenient and efficient. In order to prevent the substance in the delivery tube from flowing out, the joint between the handle 20 and the connecting portion 32 of the elastic rib 30 may further have a blocking portion 21.
In order to facilitate the thrombus in the delivery pipe 10 to be removed at any time, the thrombus can still enter the position of the thrombus in the blood vessel to remove the thrombus from the blood vessel under the condition that the delivery pipe 10 entering the blood vessel is not drawn out, and the thrombus is drawn back into the delivery pipe, a thrombus suction opening 13 can be opened on the pipe wall of the delivery pipe 10 outside the blood vessel, the thrombus suction opening 13 is communicated with the inside of the delivery pipe 10, and is also communicated with a thrombus suction pipe 50 outside the delivery pipe 10 to suck the thrombus in the delivery pipe 10 at any time.
In a further embodiment, the wall of the delivery pipe 10 outside the blood vessel may further be provided with a water injection port 14, and the water injection port 14 is communicated with the inside of the delivery pipe 10 and is also communicated with a water injection pipe 60 outside the delivery pipe 10. Is used for injecting physiological saline into the delivery pipe 10 to dilute thrombus in the delivery pipe 10, so as to be more conveniently sucked out and ensure that the thrombus can be more thoroughly sucked and removed. The thrombus suction port 13 and the water injection port 14 are both arranged on the wall of the vessel outside the vessel, so that the operation of workers is facilitated at any time.
As shown in FIG. 2, in a further embodiment, a water jet 15 may be opened on the inner wall of the delivery tube 10 towards the inside, and one end of the water jet 15 far away from the inside of the delivery tube 10 is connected to the water jet 14 through a connecting tube 16, and after the thrombus is pulled back into the delivery tube 10, the water jet 15 is mostly concentrated on the front half part of the delivery tube 10, so that the water jet 15 can be disposed at the middle part of the delivery tube 10 or near the injection end 11 to accelerate the thrombus dilution, and improve the thrombus dilution thoroughness and work efficiency. In order to prevent the connecting tube 16 from interfering with the normal operation of the elastic rib 30, the connecting tube 16 may be embedded in the sidewall of the conveying tube 10.
Further, the head end of the thrombus treatment part can be blunt round so as to avoid mechanical injury possibly caused. Furthermore, the thrombus cleaning device can be externally connected with an electric device to drive the handle to rotate and move back and forth so as to improve the thrombus cleaning efficiency.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A thrombus removal device, comprising:
an elastic tendon which comprises a thrombus treatment part and a connecting part which are connected in sequence,
the thrombus treatment section has a certain length in a free state after being deployed, and a tape film is attached to the outside thereof,
one end of the connecting part, which is positioned outside the blood vessel, is connected to the control part, and the thrombus treatment part can rotate or move through the control part.
2. The thrombus removal device according to claim 1,
the free state of the thrombus treatment section after deployment is a wave or spiral shape.
3. The thrombus removal device according to claim 2,
the elastic ribs are of tubular structures;
the guide wire is partially positioned in the elastic rib, one end of the guide wire is fixedly connected to the free end of the thrombus treatment part of the elastic rib, and the other end of the guide wire extends out of the control part;
the size of the radius of rotation of the thrombus treatment section is controlled by controlling the length of the guide wire inside the elastic rib.
4. The thrombus removal device according to claim 3,
the guide wire is made of rigid materials, and the thrombus treatment part is controlled to be in a free state, a compressed state or an extended state by controlling the length of the guide wire in the elastic rib; and/or
The belt film is made of flexible materials.
5. The thrombus removal device according to claim 4,
the control part is a handle, one end of the control part is connected with the connecting part of the elastic rib,
and the handle is of a hollow structure, and one end of the guide wire extending out of the elastic rib penetrates through the handle and extends out by a certain length to serve as a guide wire control end.
6. The thrombus removal device according to claim 1,
the elastic rib is conveyed into the blood vessel through a conveyor, the conveyor comprises a conveying pipe, the control part and a conveying pump, and the elastic rib is in a radial compression state in the conveying pipe.
7. The thrombus removal device according to claim 6,
and the wall of the conveying pipe, which is positioned outside the blood vessel, is provided with a thrombus suction port communicated with the inside of the conveying pipe, and the thrombus suction port is communicated with a thrombus suction pipe positioned outside the conveying pipe.
8. The thrombus removal device according to claim 6,
the wall of the conveying pipe outside the blood vessel is also provided with a water injection port communicated with the inside of the conveying pipe, and the water injection port is communicated with a water injection pipe outside the conveying pipe.
9. The thrombus removal device according to claim 8,
a water spraying opening is further formed in the inner wall of the conveying pipe towards the interior of the conveying pipe, one end of the water spraying opening, which is far away from the interior of the conveying pipe, is communicated with the water filling opening through a connecting pipe,
and the water spray opening is arranged in the middle of the conveying pipe or at a position close to the injection end of the conveying pipe.
10. The thrombus removal device according to claim 9,
the connecting pipe is embedded in the side wall of the conveying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214949.7A CN113440214B (en) | 2020-03-24 | 2020-03-24 | Thrombus removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214949.7A CN113440214B (en) | 2020-03-24 | 2020-03-24 | Thrombus removing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113440214A true CN113440214A (en) | 2021-09-28 |
| CN113440214B CN113440214B (en) | 2023-04-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010214949.7A Active CN113440214B (en) | 2020-03-24 | 2020-03-24 | Thrombus removing device |
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| Country | Link |
|---|---|
| CN (1) | CN113440214B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010031981A1 (en) * | 2000-03-31 | 2001-10-18 | Evans Michael A. | Method and device for locating guidewire and treating chronic total occlusions |
| CN2643835Y (en) * | 2003-08-26 | 2004-09-29 | 微创医疗器械(上海)有限公司 | Ellipsoidal-shaped protector of blood vessel terminal |
| CN102316809A (en) * | 2009-02-20 | 2012-01-11 | 维尔返有限公司 | Instrument for capturing thrombus in blood vessel |
| CN206852642U (en) * | 2016-12-19 | 2018-01-09 | 广州美诺微创医疗器械有限公司 | A kind of device for taking cerebrovascular thrombus |
| CN209678625U (en) * | 2018-12-26 | 2019-11-26 | 苏州博欣医疗科技有限公司 | One kind is novel to take bolt bracket and thrombus withdrawing device |
| CN110801266A (en) * | 2019-08-13 | 2020-02-18 | 赵士春 | Blood vessel dredging device and blood vessel dredging cleaner |
-
2020
- 2020-03-24 CN CN202010214949.7A patent/CN113440214B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010031981A1 (en) * | 2000-03-31 | 2001-10-18 | Evans Michael A. | Method and device for locating guidewire and treating chronic total occlusions |
| CN2643835Y (en) * | 2003-08-26 | 2004-09-29 | 微创医疗器械(上海)有限公司 | Ellipsoidal-shaped protector of blood vessel terminal |
| CN102316809A (en) * | 2009-02-20 | 2012-01-11 | 维尔返有限公司 | Instrument for capturing thrombus in blood vessel |
| CN206852642U (en) * | 2016-12-19 | 2018-01-09 | 广州美诺微创医疗器械有限公司 | A kind of device for taking cerebrovascular thrombus |
| CN209678625U (en) * | 2018-12-26 | 2019-11-26 | 苏州博欣医疗科技有限公司 | One kind is novel to take bolt bracket and thrombus withdrawing device |
| CN110801266A (en) * | 2019-08-13 | 2020-02-18 | 赵士春 | Blood vessel dredging device and blood vessel dredging cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113440214B (en) | 2023-04-14 |
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