CN116211452A - Ablation device - Google Patents

Ablation device Download PDF

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Publication number
CN116211452A
CN116211452A CN202310410745.4A CN202310410745A CN116211452A CN 116211452 A CN116211452 A CN 116211452A CN 202310410745 A CN202310410745 A CN 202310410745A CN 116211452 A CN116211452 A CN 116211452A
Authority
CN
China
Prior art keywords
electrode
groove
catheter
ablation device
proximal electrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310410745.4A
Other languages
Chinese (zh)
Inventor
李宗玮
王海生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Feichang Medical Technology Co ltd
Original Assignee
Anhui Feichang Medical Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Feichang Medical Technology Co ltd filed Critical Anhui Feichang Medical Technology Co ltd
Priority to CN202310410745.4A priority Critical patent/CN116211452A/en
Publication of CN116211452A publication Critical patent/CN116211452A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—Ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00595—Cauterization
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe

Abstract

The invention belongs to the field of medical equipment, and comprises a catheter and a handle connected with one end of the catheter, wherein one end of the catheter, which is far away from the handle, is fixedly connected with a catheter connector, one end of the catheter connector, which is far away from the catheter, is provided with a proximal electrode, one side of the proximal electrode is provided with a distal electrode, one side of the proximal electrode, which is far away from the distal electrode, is fixedly connected with a plurality of locking clamping blocks at equal distance, an air bag is arranged between the proximal electrode and the distal electrode, and an inserting groove is formed in the catheter connector; according to the invention, through the design of the distal electrode, the proximal electrode and the ablation electrode, the ablation device can ablate through the ablation electrode, and can ablate through the distal electrode and the proximal electrode, and the proximal electrode is detachably connected with the catheter connector, so that the proximal electrode is convenient to install, and the ablation range of the ablation device can be enlarged, and the proximal electrode is convenient to install.

Description

Ablation device
Technical Field
The invention belongs to the field of medical equipment, and particularly relates to an ablation device.
Background
The process of microwave energy-gathering coagulation and tumor inactivation is that polar molecules in tissues move at high speed under the action of a microwave field to generate heat, and when the temperature is increased to above 60 ℃, proteins of tumor cells are denatured and coagulated, so that irreversible necrosis is caused. The inactivated tumor tissue can produce heat shock protein, stimulate the immune system of the organism, improve the immune function of the organism and play a role in inhibiting the diffusion of tumor cells. Has the advantages of high heat efficiency, high temperature rising speed, uniform heat field, etc. Usually, before a thermal ablation operation of a tumor, focal local puncture biopsy is an indispensable operation step, and the tumor can be subjected to further pathological research by performing preoperative biopsy on the tumor, so that doctors are guided to formulate a scientific and reasonable treatment scheme, and the success rate of the operation and postoperative rehabilitation are ensured.
Ablation devices typically include a catheter and an electrode tip mounted to a distal end of the catheter. In the process of performing an ablation operation, the distal end of the catheter and the electrode tip extend into a tissue to be ablated in a target organism, the tissue to be ablated in the target organism is ablated by the ablation electrode on the electrode tip, however, the ablation range of the ablation device is limited only by the ablation electrode pair on the electrode tip, the size of the ablation electrode is generally certain, the ablation electrode cannot be selected according to the size of the tissue to be ablated, if the shape of a tumor is irregular or the volume of the tumor is large, the tumor is often required to be ablated for many times, and normal cell tissues around a treatment area are sacrificed, so that the ablation of the tumor can be completed, and the operation execution time is too long.
In summary, the present invention provides an ablation device to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides an ablation device, which comprises a catheter and a handle connected with one end of the catheter, wherein one end of the catheter, which is far away from the handle, is fixedly connected with a catheter connector, one end of the catheter connector, which is far away from the catheter, is provided with a proximal electrode, one side of the proximal electrode is provided with a distal electrode, one side of the proximal electrode, which is far away from the distal electrode, is fixedly connected with a plurality of locking clamping blocks at equal intervals, an air bag is arranged between the proximal electrode and the distal electrode, an inserting groove is formed in the catheter connector, one side inner wall of the inserting groove is fixedly connected with a plurality of locking convex blocks, and the locking clamping blocks are inserted into the inserting groove and are contacted with one side wall of the locking convex blocks.
Further, the proximal electrode and the distal electrode are fixedly connected through a plurality of tension memory rods, and the tension memory rods are equidistantly arranged on the surface of the air bag.
Further, a through hole is formed in the middle of the catheter connector, and the air bag penetrates through the proximal electrode through the communicating pipe and is communicated with an opening of the through hole.
Further, the insertion groove is of a circular ring structure, the insertion groove is identical to the center of the through hole, the radius of the insertion groove is larger than that of the through hole, a side surface, close to the proximal electrode, of the insertion groove penetrates through the catheter connector, and the locking clamping block is inserted into the insertion groove through an opening at one end of the insertion groove.
Further, a curved surface groove II is formed in the locking clamping block, a curved surface groove I is formed in a side wall, away from the opening of the inserting groove, of the locking protruding block, and the curved surface groove I is in contact with the curved surface groove II.
Furthermore, an anastomotic groove is formed in one side face, close to the proximal electrode, of the catheter connector, and an anastomotic groove is formed in one side face, close to the catheter connector, of the proximal electrode, and the anastomotic groove is in contact with the anastomotic groove.
Further, the tension memory rod is made of a memory alloy.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the design of the distal electrode, the proximal electrode and the ablation electrode, the ablation device can ablate through the ablation electrode, and can ablate through the distal electrode and the proximal electrode, and the proximal electrode is detachably connected with the catheter connector, so that the proximal electrode is convenient to install, and the ablation range of the ablation device can be enlarged, and the proximal electrode is convenient to install.
2. The invention can be more convenient when the catheter joint is fixed with the proximal electrode by arranging the locking clamping block and the locking lug, and the locking lug is arranged in the inserting groove which is arranged in the catheter joint, so that after the connection, the connecting component can be hidden in the catheter joint, and when the ablation device is used, the surface of the catheter joint is smooth, thereby reducing the rejection feeling of the ablation device to a human body and avoiding excessive scraping and rubbing of skin tissues of the human body.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a perspective view of a catheter adapter of the present invention;
FIG. 4 is a perspective view of the interior of the catheter adapter of the present invention;
FIG. 5 is an enlarged view of the invention at A in FIG. 4;
FIG. 6 is a diagram showing the structure of the connection between the locking latch and the locking projection;
in the figure:
1. a conduit; 2. a conduit joint; 3. a proximal electrode; 4. an air bag; 5. a tension memory lever; 6. a distal electrode; 7. locking the clamping block; 8. a through hole; 9. an insertion groove; 10. fitting the groove; 11. a locking projection; 12. a handle; 13. a curved surface groove I; 14. and a curved surface groove II.
Description of the embodiments
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
The invention provides an ablation device, which comprises a catheter 1 and a handle 12 connected with one end of the catheter 1, wherein one end of the catheter 1 far away from the handle 12 is fixedly connected with a catheter connector 2, one end of the catheter connector 2 far away from the catheter 1 is provided with a proximal electrode 3, one side of the proximal electrode 3 is provided with a distal electrode 6, one side of the proximal electrode 3 far away from the distal electrode 6 is fixedly connected with a plurality of locking clamping blocks 7 at equal intervals, an air bag 4 is arranged between the proximal electrode 3 and the distal electrode 6, an inserting groove 9 is formed in the catheter connector 2, a plurality of locking convex blocks 11 are fixedly connected to one side inner wall of the inserting groove 9, and the locking clamping blocks 7 are inserted into the inserting groove 9 and are contacted with one side wall of the locking convex blocks 11.
As an embodiment of the present invention, the proximal electrode 3 and the distal electrode 6 are fixedly connected by a plurality of tension memory rods 5, and the tension memory rods 5 are equidistantly disposed on the surface of the balloon 4.
As an embodiment of the present invention, the catheter adapter 2 has a through hole 8 formed in the middle thereof, and the balloon 4 penetrates the proximal electrode 3 through the communication tube and communicates with the opening of the through hole 8.
As one embodiment of the present invention, the insertion groove 9 has a circular ring structure, the center of the insertion groove 9 is the same as that of the through hole 8, the radius of the insertion groove 9 is larger than that of the through hole 8, a side surface of the insertion groove 9 near the proximal electrode 3 penetrates the catheter adapter 2, and the locking clamping block 7 is inserted into the insertion groove from an opening at one end of the insertion groove 9.
As one embodiment of the invention, the locking clamping block 7 is provided with a curved surface groove II 14, a side wall of the locking lug 11, which is far away from the opening of the inserting groove 9, is provided with a curved surface groove I13, and the curved surface groove I13 is contacted with the curved surface groove II 14.
As an embodiment of the present invention, an anastomotic groove 10 is formed on a side surface of the catheter adapter 2 near the proximal electrode 3, an anastomotic groove is formed on a side surface of the proximal electrode 3 near the catheter adapter 2, and the anastomotic groove 10 is in contact with the anastomotic groove.
As an embodiment of the present invention, the tension memory rod 5 is made of a memory alloy.
Examples
As shown in fig. 1-2, in this embodiment, the proximal electrode 3 is connected to the catheter adapter 2, and the anastomosis groove 10 and the anastomosis tongue formed on the proximal electrode 3 on the side close to the catheter adapter 2 are connected to each other by magnetic connection, so that after connection, the connection between the proximal electrode 3 and the catheter adapter 2 is ensured.
Examples
As shown in fig. 3-6, in this embodiment, the locking fixture block 7 penetrates through one end of the insertion groove 9, extends into the insertion groove 9, rotates the proximal electrode 3 after extending into the insertion groove, and makes the proximal electrode 3 rotate relative to the catheter adapter 2, the curved groove two 14 on the locking fixture block 7 is close to the curved groove one 13 and contacts with the curved groove one 13, and according to the curved structures of the surfaces of the curved groove two 14 and the curved groove one 13, the connection tightness between the proximal electrode 3 and the catheter adapter 2 is increased under the condition of continuing to rotate, and the connection between the proximal electrode 3 and the catheter adapter 2 is realized under the condition of not rotating, as shown in fig. 5-6, after the connection is tightly performed, the proximal electrode 3 contacts with one side surface of the catheter adapter 2, and the proximal electrode 3 and the outer surface of the catheter adapter 2 are on the same horizontal line.
According to the invention, through the design of the distal electrode 6, the proximal electrode 3 and the matching use of the ablation electrode, the ablation device can ablate through the ablation electrode, and ablate through the distal electrode 6 and the proximal electrode 3, and the proximal electrode 3 is detachably connected with the catheter connector 2, so that the installation of the proximal electrode 3 is convenient, the arrangement is convenient, the ablation range of the ablation device can be enlarged, the installation of the proximal electrode 3 is convenient, the locking fixture block 7 and the locking protrusion 11 are arranged, the fixation of the catheter connector 2 and the proximal electrode 3 is more convenient, the locking protrusion 11 is arranged in the inserting groove 9, the inserting groove 9 is formed in the catheter connector 2, the connecting assembly can be hidden in the catheter connector 2 after the connection, the surface of the catheter connector 2 is smooth when the ablation device is used, the rejection feeling of the ablation device to a human body is reduced, and the skin tissues of the human body are not excessively scraped when the ablation device is used
While embodiments of the present invention have been shown and described above for purposes of illustration and description, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (7)

1. An ablation device comprising a catheter (1) and a handle (12) connected to one end of the catheter (1), characterized in that: one end fixedly connected with pipe joint (2) of keeping away from handle (12) on pipe (1), one end that pipe joint (2) kept away from pipe (1) is provided with near-end electrode (3), one side of near-end electrode (3) is provided with distal end electrode (6), one side equidistance fixedly connected with a plurality of locking fixture blocks (7) of keeping away from distal end electrode (6) on near-end electrode (3), be provided with gasbag (4) between near-end electrode (3) and distal end electrode (6), joint (2) are last to have offered and to insert and close groove (9), fixedly connected with a plurality of locking lug (11) on the inner wall of one side of joint groove (9), locking fixture block (7) insert in joint groove (9) to contact with a side wall of locking lug (11).
2. The ablation device of claim 1, wherein: the proximal electrode (3) and the distal electrode (6) are fixedly connected through a plurality of tension memory rods (5), and the tension memory rods (5) are equidistantly arranged on the surface of the air bag (4).
3. The ablation device of claim 1, wherein: the middle part of the catheter joint (2) is provided with a through hole (8), and the air bag (4) penetrates through the proximal electrode (3) through a communicating pipe and is communicated with the opening of the through hole (8).
4. The ablation device of claim 3, wherein: the insertion groove (9) is of a circular ring structure, the center of the insertion groove (9) is the same as that of the through hole (8), the radius of the insertion groove (9) is larger than that of the through hole (8), one side surface, close to the proximal electrode (3), of the insertion groove (9) penetrates through the catheter connector (2), and the locking clamping block (7) is inserted into the insertion groove (9) through an opening at one end of the insertion groove.
5. The ablation device of claim 1, wherein: the locking fixture block (7) is provided with a curved surface groove II (14), a side wall of the locking convex block (11) far away from the opening of the inserting groove (9) is provided with a curved surface groove I (13), and the curved surface groove I (13) is contacted with the curved surface groove II (14).
6. The ablation device of claim 1, wherein: an anastomosis groove (10) is formed in a side face, close to the proximal electrode (3), of the catheter connector (2), an anastomosis convex groove is formed in a side face, close to the catheter connector (2), of the proximal electrode (3), and the anastomosis groove (10) is in contact with the anastomosis convex groove.
7. The ablation device of claim 1, wherein: the tension memory rod (5) is made of a memory alloy.
CN202310410745.4A 2023-04-18 2023-04-18 Ablation device Pending CN116211452A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310410745.4A CN116211452A (en) 2023-04-18 2023-04-18 Ablation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310410745.4A CN116211452A (en) 2023-04-18 2023-04-18 Ablation device

Publications (1)

Publication Number Publication Date
CN116211452A true CN116211452A (en) 2023-06-06

Family

ID=86577125

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310410745.4A Pending CN116211452A (en) 2023-04-18 2023-04-18 Ablation device

Country Status (1)

Country Link
CN (1) CN116211452A (en)

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