CN110074846B - Carotid endarterectomy scalpel - Google Patents
Carotid endarterectomy scalpel Download PDFInfo
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- CN110074846B CN110074846B CN201910373770.3A CN201910373770A CN110074846B CN 110074846 B CN110074846 B CN 110074846B CN 201910373770 A CN201910373770 A CN 201910373770A CN 110074846 B CN110074846 B CN 110074846B
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- rear cover
- catheter body
- cutting board
- air bag
- cover body
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320783—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B2017/320741—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions for stripping the intima or the internal plaque from a blood vessel, e.g. for endarterectomy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320783—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter
- A61B2017/320791—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter with cutter extending outside the cutting window
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a carotid endarterectomy scalpel, which comprises two monomer structures and a hose, wherein the hose connects the two monomer structures together; each monomer structure includes: the catheter comprises a pipeline-shaped catheter body head and a rear cover body, wherein a circular groove is formed in one side surface of the rear cover body, and one end of the catheter body head is installed in the circular groove; by adopting the structure, the operation time window period of the operation can be increased to be infinite, the operation risk is greatly reduced, the use of other appliances is greatly reduced, and the operation risk caused by complicated operation is prevented from being increased. But also reduces the manpower and mental stress of the doctor.
Description
Technical Field
The invention relates to a scalpel for carotid endarterectomy.
Background
Carotid Endarterectomy (CEA) is a method of removing thickened carotid intimal atherosclerotic plaque to prevent stroke due to plaque detachment.
One of the key steps in carotid endarterectomy is the rapid and complete ablation of "crime plaques" (carotid intima and atherosclerotic plaques attached to the intima) in an environment where cerebral blood flow is temporarily interrupted or a temporary diverting device is employed, within a very limited time frame.
The existing operation modes are direct manual incision, a plurality of devices are required to be actively matched, blood vessels at two ends are tightened after the incision, the operation window period is greatly compressed, operation is performed in turn by a plurality of operation devices, operation risks are greatly improved, and a special carotid endarterectomy scalpel is not provided at present.
Disclosure of Invention
The present invention aims to overcome the above-mentioned disadvantages and to provide a carotid endarterectomy scalpel.
To achieve the above object, a carotid endarterectomy scalpel: comprising two monolithic structures and a hose connecting the two monolithic structures together.
Each monomer structure includes: the catheter comprises a pipeline-shaped catheter body head and a rear cover body, wherein a circular groove is formed in one side surface of the rear cover body, and one end of the catheter body head is installed in the circular groove;
when the catheter body head is matched with the rear cover body, the blood opening is also communicated with the catheter body head, so that blood can enter from the other end of the catheter body head and flow out from the blood opening;
an annular groove is arranged on the outer surface of the catheter body head in a surrounding manner, two groups of protection structures are arranged in the annular groove, each group of protection structures comprises two retaining rings with L-shaped sections, one ends of the two retaining rings are fixed on the surface of the catheter body head, the other ends of the two retaining rings are suspended, and a gap is formed between the other ends of the two retaining rings; the two baffle rings and the surface of the catheter body head form a first ring cavity;
each group of protective structures also comprises an air bag structure, and the air bag structure has a convex cross section and surrounds the first annular cavity; the two sides of the air bag structure are respectively positioned between the two corresponding baffle rings and the surface of the catheter head, and the middle bulge part of the air bag structure is positioned in a gap between the other ends of the two baffle rings;
two baffle rings which are close to each other between each group of protective structures are also provided with an air passing channel, an air bag connecting pipe is communicated between the two air bag structures, and the air bag connecting pipe is positioned in the air passing channel;
the top end of the rear cover body is also provided with an air inlet, an air inlet channel extends downwards from the air inlet, an air bag air inlet pipeline is arranged on the air bag structure close to one side of the rear cover body, and when the catheter body head is matched with the rear cover body, the air bag air inlet pipeline is communicated with the air inlet and the air inlet channel;
the utility model discloses a rear cover lid, including the fixed station of back lid body, the fixed station of back lid body is equipped with the fixed station, still including a rotatory knife tackle, rotatory knife tackle is including a main knife handle body, and main knife handle body one end and fixed station pin joint, the main knife handle body other end are equipped with the opening knife tackle, and the opening knife tackle is including a fixed cutting board, still including a movable cutting board, and the one end swing joint of movable cutting board is in fixed cutting board one end, installs the spring between fixed cutting board and the movable cutting board.
One end of the movable cutting board is in a rotating shaft shape, one end of the fixed cutting board is a shaft groove matched with one end of the movable cutting board, and one end of the movable cutting board is located at one end of the fixed cutting board.
Wherein, the surface of one end of the catheter body head close to the circular groove is provided with a first opening which is used for communicating with the first channel in the catheter body head.
Wherein, the thickness of the convex part of the air bag structure is thinner than the thickness of the part positioned in the retaining ring.
Wherein, the width of the convex part of the airbag structure close to the rear cover body is wider than the width of the convex part of the airbag structure far away from the rear cover body.
Wherein, back lid body, pipe body head and fender ring are stainless steel.
Wherein, all the top surfaces of the retaining rings are flush with the highest surface of the catheter body head.
The invention has the beneficial effects that: by adopting the structure, the operation time window period of the operation can be increased to be infinite, the operation risk is greatly reduced, the use of other appliances is greatly reduced, and the operation risk caused by complicated operation is prevented from being increased. But also reduces the manpower and mental stress of the doctor.
Drawings
FIG. 1 is a perspective view of a monolithic structure of the present invention;
FIG. 2 is a perspective view of the monolithic structure of the present invention with portions of the retainer ring removed;
FIG. 3 is a perspective view of another perspective of the unitary structure of the present invention;
FIG. 4 is a perspective view of the rear cover body;
FIG. 5 is a cross-sectional view of the present invention, wherein the top view is a cross-sectional view of a slinger and bladder arrangement;
FIG. 6 is an enlarged partial view of the rotary cutter unit;
FIG. 7 is an effect diagram of the separation and combination of the rotary cutter sets;
FIG. 8 is a schematic illustration of the application at the time of surgery;
the reference numerals in fig. 1 to 8 illustrate:
1-catheter body head; 2-a baffle ring; 3-air bag structure; 31-balloon connection tube; 32-air bag inlet line; 4-rear cover body; 41-blood opening; 42-an air inlet; 43-circular groove; 51-a stationary table; 52-main handle body; 53-movable cutting board; 54-fixing the cutting board; a 1-carotid blood vessel; a 2-hose.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in figures 1 to 8 of the drawings,
the carotid endarterectomy scalpel of this embodiment: the flexible pipe is used for connecting the two monomer structures together;
each single structure comprises a pipeline-shaped catheter body head 1 and a rear cover body 4, wherein a circular groove 43 is formed in one side surface of the rear cover body 4, and one end of the catheter body head 1 is installed in the circular groove 43; the catheter body head 1 can be directly connected in the circular groove 43 in a threaded or welded mode;
in the carotid endarterectomy scalpel device of the present embodiment, the top end of the rear cover body 4 is provided with a blood opening 41, the blood opening 41 extends downward to form a first channel in the rear cover body and is communicated with the circular groove 43, when the catheter body head 1 is matched with the rear cover body 4, the blood opening 41 is also communicated with the catheter body head 1, so that blood can enter from the other end of the catheter body head 1 and flow out from the blood opening 41;
an annular groove is arranged on the outer surface of the catheter body head 1 in a surrounding manner, two groups of protection structures are arranged in the annular groove, each group of protection structures comprises two baffle rings 2 with L-shaped sections, one ends of the two baffle rings 2 are fixed with the surface of the catheter body head 1, the other ends of the two baffle rings 2 are suspended, and a gap is formed between the other ends of the two baffle rings 2; the two baffle rings 2 and the surface of the catheter body head 1 form a first ring cavity; the baffle ring 2 and the surface of the annular groove are welded together by laser or are integrally formed.
Each group of protective structures also comprises an air bag structure 3, and the air bag structure 3 has a convex cross section and is surrounded in the first annular cavity; two sides of the airbag structure 3 are respectively positioned between the two corresponding baffle rings 2 and the surface of the catheter body head 1, and a bulge part in the middle of the airbag structure 3 is positioned in a gap between the other ends of the two baffle rings 2;
the two baffle rings 2 which are close to each other between each group of protective structures are also provided with an air passing channel, an air bag connecting pipe 31 is communicated between the two air bag structures 3, and the air bag connecting pipe 31 is positioned in the air passing channel;
the top end of the rear cover body 4 is also provided with an air inlet 42, the air inlet 42 extends downwards to form an air inlet channel, the air bag structure 3 close to one side of the rear cover body 4 is provided with an air bag air inlet pipeline 32, and when the catheter body head 1 is matched with the rear cover body 4, the air bag air inlet pipeline 32 is communicated with the air inlet 42 and the air inlet channel; gasbag structure 3, gasbag air inlet pipeline 32 and gasbag connecting pipe 31 are with two gasbag structures 3 UNICOM to after gaseous from air inlet 42 entering, gasbag air inlet pipeline 32 conveys atmospheric pressure to two gasbag structures 3 in, lets the convex part of two gasbag structures 3 be the position arch that is located between fender ring 2 clearance, in order to reach and hinder blood outflow. Therefore, the balloon structure 3 is made of rubber, and the protruding portion of the balloon structure 3 has a small thickness, so that when the balloon structure 3 is inflated, the protruding portion of the balloon structure 3 can protrude to form an annular balloon and abut against the inner wall of the blood vessel to block the outflow of blood.
Another side of back lid body 4 is equipped with a fixed station 51, still includes a rotatory knife tackle, rotatory knife tackle is including a main handle of a knife body 52, and main handle of a knife body 52 one end and fixed station 51 pin joint, and the main handle of a knife body 52 other end is equipped with the opening knife tackle, and the opening knife tackle is including a fixed cutting board 54, still including a movable cutting board 53, and the one end swing joint of movable cutting board 53 is in fixed cutting board 54 one end, installs the spring between fixed cutting board 54 and the movable cutting board 53.
Specifically, as shown in fig. 8, in general, the operation is performed by two single structures, and a complete carotid endarterectomy scalpel is composed of two single structures and a flexible tube a1, i.e. each single structure corresponds to an opening in a blood vessel. First, both ends of the operation area of the carotid artery are retained by the temporary tying bands, and an operation window is marked on the carotid blood vessel a2, then two single structures are respectively inserted into the left and right openings of the blood vessel, and the flexible tubes are respectively connected with the two single structures, namely, the two single structures are connected to the blood opening 41, which can also be prepared in advance. Then the two temporary binding belts are loosened, the operation is started, when the intima is cut, the rotary knife group can be rotated to place the intima between the intima and the inner wall of the blood vessel, the effect of placing adhesion is achieved, and the spring between the fixed knife plate 54 and the movable knife plate 53 of the rotary knife group can enable the intima to be cut and the blood vessel wall to be normally opened.
By adopting the structure, the operation time window period of the operation can be increased to be infinite, the operation risk is greatly reduced, the use of other appliances is greatly reduced, and the operation risk caused by complicated operation is prevented from being increased. But also reduces the manpower and mental stress of the doctor.
In the scalpel for carotid endarterectomy described in this embodiment, one end of the movable knife plate 53 is in a shape of a rotating shaft, one end of the fixed knife plate 54 is a shaft groove matched with one end of the movable knife plate 53, and one end of the movable knife plate 53 is located at one end of the fixed knife plate 54.
In the knife for carotid endarterectomy in this embodiment, the end surface of the catheter head near the circular groove 43 is provided with a first opening for communicating with the first channel in the catheter head.
In the knife for carotid endarterectomy in this embodiment, the thickness of the convex portion of the balloon structure 3 is thinner than the thickness of the portion located in the retaining ring 2.
In the scalpel for carotid endarterectomy described in this embodiment, the width of the protruding portion of the balloon structure 3 close to the rear cover body 4 is wider than the width of the protruding portion of the balloon structure 3 far from the rear cover body 4.
In the carotid endarterectomy scalpel, the rear cover body 4, the catheter body head 1 and the retaining ring 2 are all made of stainless steel. Is easier to clean and improves the utilization rate.
In the carotid endarterectomy scalpel device disclosed by the embodiment, the top surfaces of all the retaining rings 2 are flush with the highest surface of the catheter head 1. Can be better inserted into the blood vessel.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (7)
1. Carotid endarterectomy scalpel: the method is characterized in that: the flexible pipe is used for connecting the two monomer structures together; each monomer structure includes:
the catheter comprises a pipeline-shaped catheter body head (1) and a rear cover body (4), wherein a circular groove (43) is formed in one side surface of the rear cover body (4), and one end of the catheter body head (1) is installed in the circular groove (43); the top end of the rear cover body (4) is provided with a blood opening (41), the blood opening (41) extends downwards to form a first channel in the rear cover body and is communicated with the circular groove (43), and when the catheter body head (1) is matched with the rear cover body (4), the blood opening (41) is also communicated with the catheter body head (1) so that blood can enter from the other end of the catheter body head (1) and flow out from the blood opening (41);
an annular groove is formed in the outer surface of the catheter body head (1) in a surrounding mode, two groups of protection structures are arranged in the annular groove, each group of protection structures comprises two retaining rings (2) with L-shaped sections, one ends of the two retaining rings (2) are fixed to the surface of the catheter body head (1), the other ends of the two retaining rings (2) are suspended, and a gap is formed between the other ends of the two retaining rings (2); the two baffle rings (2) and the surface of the catheter body head (1) form a first ring cavity;
each group of protective structures also comprises an air bag structure (3), and the air bag structure (3) has a convex section and surrounds the first annular cavity; two sides of the air bag structure (3) are respectively positioned between the two corresponding retaining rings (2) and the surface of the catheter body head (1), and a bulge part in the middle of the air bag structure (3) is positioned in a gap between the other ends of the two retaining rings (2);
two baffle rings (2) which are close to each other between each group of protective structures are also provided with an air passing channel, an air bag connecting pipe (31) is communicated between the two air bag structures (3), and the air bag connecting pipe (31) is positioned in the air passing channel;
the top end of the rear cover body (4) is also provided with an air inlet (42), the air inlet (42) extends downwards to form an air inlet channel, an air bag air inlet pipeline (32) is arranged on the air bag structure (3) close to one side of the rear cover body (4), and when the catheter body head (1) is matched with the rear cover body (4), the air bag air inlet pipeline (32) is communicated with the air inlet (42) and the air inlet channel;
another side of back lid body (4) is equipped with a fixed station (51), still including a rotatory knife tackle, rotatory knife tackle is including a main hilt body (52), and main hilt body (52) one end and fixed station (51) pin joint, and main hilt body (52) other end is equipped with the opening knife tackle, and the opening knife tackle is including a fixed cutting board (54), still including a movable cutting board (53), and the one end swing joint of movable cutting board (53) is in fixed cutting board (54) one end, installs the spring between fixed cutting board (54) and movable cutting board (53).
2. The carotid endarterectomy scalpel of claim 1: the method is characterized in that: one end of the movable cutting board (53) is in a rotating shaft shape, one end of the fixed cutting board (54) is a shaft groove matched with one end of the movable cutting board (53), and one end of the movable cutting board (53) is located at one end of the fixed cutting board (54).
3. The carotid endarterectomy scalpel of claim 1: the method is characterized in that: one end surface of the catheter body head close to the circular groove (43) is provided with a first opening which is used for communicating with the first channel in the catheter body head.
4. The carotid endarterectomy scalpel of claim 1: the method is characterized in that: the thickness of the convex part of the air bag structure (3) is thinner than that of the part positioned in the baffle ring (2).
5. The carotid endarterectomy scalpel of claim 1: the method is characterized in that: the width of the protruding part of the airbag structure (3) close to the rear cover body (4) is wider than the width of the protruding part of the airbag structure (3) far from the rear cover body (4).
6. The carotid endarterectomy scalpel of claim 1: the method is characterized in that: the rear cover body (4), the catheter body head (1) and the baffle ring (2) are all made of stainless steel.
7. The carotid endarterectomy scalpel of claim 1: the method is characterized in that: the top surfaces of all the baffle rings (2) are flush with the highest surface of the catheter body head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373770.3A CN110074846B (en) | 2019-05-07 | 2019-05-07 | Carotid endarterectomy scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373770.3A CN110074846B (en) | 2019-05-07 | 2019-05-07 | Carotid endarterectomy scalpel |
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| Publication Number | Publication Date |
|---|---|
| CN110074846A CN110074846A (en) | 2019-08-02 |
| CN110074846B true CN110074846B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910373770.3A Active CN110074846B (en) | 2019-05-07 | 2019-05-07 | Carotid endarterectomy scalpel |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2449748Y (en) * | 2000-12-04 | 2001-09-26 | 张银合 | Blood saccule bridge |
| CN201710497U (en) * | 2010-05-22 | 2011-01-19 | 张勤奕 | Carotid shunt |
| CN201855315U (en) * | 2010-11-01 | 2011-06-08 | 复旦大学附属中山医院 | Extracorporal collateral circulation system capable of being inserted into vascular built-in instrument |
| CN102499790A (en) * | 2011-11-17 | 2012-06-20 | 中国人民解放军第三军医大学第三附属医院 | Artificial blood vessel |
-
2019
- 2019-05-07 CN CN201910373770.3A patent/CN110074846B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2449748Y (en) * | 2000-12-04 | 2001-09-26 | 张银合 | Blood saccule bridge |
| CN201710497U (en) * | 2010-05-22 | 2011-01-19 | 张勤奕 | Carotid shunt |
| CN201855315U (en) * | 2010-11-01 | 2011-06-08 | 复旦大学附属中山医院 | Extracorporal collateral circulation system capable of being inserted into vascular built-in instrument |
| CN102499790A (en) * | 2011-11-17 | 2012-06-20 | 中国人民解放军第三军医大学第三附属医院 | Artificial blood vessel |
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| CN110074846A (en) | 2019-08-02 |
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Effective date of registration: 20220223 Address after: 154000 no.258 Xuefu street, Xiangyang District, Jiamusi City, Heilongjiang Province Applicant after: JIAMUSI University Address before: No. 48 Sifeng Road, Xiangyang District, Jiamusi City, Heilongjiang Province, 154000 Applicant before: Li Yingfu |
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