CN112716565A - Microsurgical forceps with cutting function - Google Patents
Microsurgical forceps with cutting function Download PDFInfo
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- CN112716565A CN112716565A CN202011588411.9A CN202011588411A CN112716565A CN 112716565 A CN112716565 A CN 112716565A CN 202011588411 A CN202011588411 A CN 202011588411A CN 112716565 A CN112716565 A CN 112716565A
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- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002406 microsurgery Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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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
- A61B17/30—Surgical pincettes without pivotal connections
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/30—Surgical pincettes without pivotal connections
- A61B2017/305—Tweezer like handles with tubular extensions, inner slidable actuating members and distal tools, e.g. microsurgical instruments
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention provides a microsurgical forceps with a cutting function, which comprises: the tweezers comprise a needle tube, a tweezers core and a shell, wherein the tweezers core is of a strip-shaped structure, is sleeved in the needle tube of a tubular structure and is positioned in the needle tube to reciprocate; the needle tube is connected to the inside of the shell close to the inside of the shell, one end of the forceps core is a clamping part, one end of the forceps core far away from the clamping part is connected with a driving part, and the driving part is arranged in the shell; one end of the forceps core, which is close to the driving part, is located in the shell to reciprocate. During operation, at first utilize the drive division to realize the tweezers core can move about in the needle tubing to the realization the portion of getting of tweezers core can realize stretching out or receiving at the tip of needle tubing the needle tubing, thereby the realization utilizes the portion of getting to get can get, puncture or the purpose of cutting the tissue.
Description
Technical Field
The invention relates to the technical field of tweezers, in particular to microsurgical forceps with a cutting function.
Background
At present, lumen microsurgery instruments such as a pair of micro forceps and a pair of micro scissors in domestic market have single functions, and in the operation process, after tissues are cut through an ophthalmic scalpel, the tissues can enter an operation area through an incision for operation.
In a complex operation area, the scalpel cannot cut tissues due to a specific angle, so that the forceps cannot be operated when the forceps are required to puncture or cut the tissues; thus, there is a lack of forceps that can facilitate cutting of tissue.
Disclosure of Invention
The invention provides microsurgical forceps with a cutting function, which is used for realizing surgical forceps capable of conveniently cutting tissues in a surgical process.
The invention provides a microsurgical forceps with a cutting function, which comprises: a needle tube, a forceps core and a shell,
the forceps core is of a strip-shaped structure, is sleeved in the needle tube of a tubular structure and is positioned in the needle tube to reciprocate;
the needle tube is connected to the inside of the shell close to the inside of the shell, one end of the forceps core is a clamping part, one end of the forceps core far away from the clamping part is connected with a driving part, and the driving part is arranged in the shell;
one end of the forceps core, which is close to the driving part, is located in the shell to reciprocate.
Preferably, the clamping part is provided with a plurality of forceps heads, and one end of each forceps head, which is far away from the forceps core, is provided with a needle tip.
Preferably, the housing comprises a first shell, a second shell and a handle,
the first shell is movably connected with the tweezers core, the first shell is of a conical structure, a first movable cavity is arranged inside the conical structure, the large-diameter end of the conical structure is connected with the second shell, a third movable cavity is arranged in the second shell, and the first movable cavity and the third movable cavity are communicated;
one end of the second shell, which is far away from the first shell, is connected with a handle.
Preferably, a fourth movable cavity is arranged in the handle, and one end of the fourth movable cavity, which is close to the second shell, is communicated with the third movable cavity;
the inner wall of the fourth movable cavity is used for installing the driving part.
Preferably, the driving part includes: a transmission block, a movable rod and a support sheet,
one end of the transmission block, which is close to the second shell, is connected with the tweezers core, and the other end of the transmission block is provided with a first sliding groove;
two groups of first sliding grooves are symmetrically arranged, a movable rod is slidably arranged in each first sliding groove, and two ends of each movable rod are respectively hinged with a supporting piece;
the other end of the supporting sheet is hinged to the inner wall of a fourth movable cavity in the handle.
Preferably, the first movable cavity is communicated with the third movable cavity through a second movable cavity, and the diameter of the second movable cavity is smaller than that of the first movable cavity and that of the third movable cavity;
one end of the handle close to the second shell is provided with a flexible structure;
the second housing is detachably connected with the open end of the handle.
Preferably, an adjusting block is arranged in the third movable cavity, one end of the adjusting block is connected with the forceps core, the other end of the adjusting block is connected with a connecting rod, and the connecting rod is connected with the transmission block;
the other end of the connecting rod is positioned in the fourth movable cavity to reciprocate.
Preferably, a second through chute is formed in the second shell, a sliding rod is connected to the adjusting block, and the sliding rod penetrates through the second through chute and catches the eye to the outer side wall of the second shell;
the other end of the slide rod is connected with a first handle with a C-shaped structure, and one end of the first handle is provided with a second handle.
The working principle and the beneficial effects of the invention are as follows:
the invention provides a microsurgical forceps with a cutting function, which comprises: the tweezers comprise a needle tube, a tweezers core and a shell, wherein the tweezers core is of a strip-shaped structure, is sleeved in the needle tube of a tubular structure and is positioned in the needle tube to reciprocate; the needle tube is connected to the inside of the shell close to the inside of the shell, one end of the forceps core is a clamping part, one end of the forceps core far away from the clamping part is connected with a driving part, and the driving part is arranged in the shell; one end of the forceps core, which is close to the driving part, is located in the shell to reciprocate.
During operation, at first utilize the drive division to realize the tweezers core can move about in the needle tubing to the realization the portion of getting of tweezers core can realize stretching out or receiving at the tip of needle tubing the needle tubing, thereby the realization utilizes the portion of getting to get can get, puncture or the purpose of cutting the tissue.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the core and needle tube of the forceps of the present invention;
FIG. 3 is a schematic view of the adjusting block structure of the present invention;
FIG. 4 is a schematic view of a tip configuration of the present invention;
FIG. 5 is a schematic view of a slide bar according to the present invention;
FIG. 6 is a schematic diagram of a prior art lumen configuration;
FIG. 7 is a schematic view of the eye surface surgery site configuration;
the forceps comprise a needle tip 1, a forceps head 2, a forceps core 3, a needle tube 4, a shell 5, an adjusting block 6, a transmission block 7, a handle 8, a supporting piece 9, a first movable cavity 10, a second movable cavity 11, a third movable cavity 12, a first sliding groove 13, a fourth movable cavity 14, a second sliding groove 15, a sliding rod 16, a connecting rod 17, a first handle 18, a second handle 19, a tube cavity 20 and a movable rod 21.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to fig. 1 to 7, an embodiment of the present invention provides microsurgical forceps with a cutting function, including: a needle tube 4, a forceps core 3 and a shell 5,
the tweezers core 3 is of a strip-shaped structure, and the tweezers core 3 is sleeved in the needle tube 4 of a tubular structure and is positioned in the needle tube 4 to reciprocate;
the needle tube 4 is connected to the inside of the shell 5 close to the inside of the shell 5, one end of the forceps core 3 is a clamping part, one end of the forceps core 3 far away from the clamping part is connected with a driving part, and the driving part is arranged in the shell 5;
one end of the forceps core 3 close to the driving part is positioned in the shell 5 to reciprocate.
The clamping part is provided with a plurality of forceps heads 2, and one end of each forceps head 2, which is far away from the forceps core 3, is provided with a needle tip 1.
During operation, at first utilize the drive division to realize the tweezers core can move about in the needle tubing to the realization the portion of getting of tweezers core can realize stretching out or receiving at the tip of needle tubing the needle tubing, thereby the realization utilizes the portion of getting to get can get, puncture or the purpose of cutting the tissue.
In ocular surface surgery, FIG. 6 is a schematic diagram of a prior art lumen structure; the straight lumen does not allow for small spatial turns, point a to point B manipulation in the operative field view of fig. 7, and suturing of the lens haptics to the surrounding tissue via point B. In addition, if the puncture or the cutting is realized at the point B, the puncture or the cutting is carried out by using the puncture knife (needle) with the other hand, so that the operation process is very inconvenient; according to the technical scheme provided by the invention, the puncture knife, the cutting knife and the forceps can be combined to complete the operation of a complex operation area.
In one embodiment, the housing 5 comprises a first shell, a second shell and a handle 8, the first shell is used for movably connecting the tweezer core 3, the first shell is provided with a conical structure, a first movable cavity 10 is arranged inside the conical structure, the large-diameter end of the conical structure is connected with the second shell, a third movable cavity 12 is arranged inside the second shell, and the first movable cavity 10 and the third movable cavity 12 are communicated; one end of the second shell far away from the first shell is connected with a handle 8.
A fourth movable cavity 14 is arranged in the handle 8, and one end of the fourth movable cavity 14, which is close to the second shell, is communicated with the third movable cavity 12; the inner wall of the fourth movable chamber 14 is used for mounting the driving part.
The driving part includes: the tweezers comprise a transmission block 7, a movable rod 21 and a support sheet 9, wherein one end of the transmission block 7, which is close to the second shell, is connected with the tweezers core 3, and the other end of the transmission block 7 is provided with a first sliding groove 13; two groups of first sliding grooves 13 are symmetrically arranged, a movable rod 21 is slidably arranged in each first sliding groove 13, and two ends of each movable rod 21 are respectively hinged with a supporting piece 9; the other end of the supporting sheet 9 is hinged on the inner wall of a fourth movable cavity 14 in the handle 8.
The first movable cavity 10 and the third movable cavity 12 are communicated through a second movable cavity 11, and the diameter of the second movable cavity 11 is smaller than that of the first movable cavity 10 and the third movable cavity 12;
one end of the handle 8 close to the second shell is provided with a flexible structure; the second housing is detachably connected to the open end of the handle 8.
An adjusting block 6 is arranged in the third movable cavity 12, one end of the adjusting block 6 is connected with the forceps core 3, the other end of the adjusting block 6 is connected with a connecting rod 17, and the connecting rod 17 is connected with the transmission block 7; the other end of the connecting rod 17 is located inside the fourth movable chamber 14 for reciprocating motion.
In the embodiment, in order to achieve the purpose of cutting and puncturing without other additional instruments in the process of using the forceps, the forceps head is in a state of taking in the needle tube when used as the forceps by arranging the needle point on the forceps head of the forceps core and movably arranging the forceps core in the needle tube; when the puncture needle is used for puncture or cutting, the needle tip and the forceps head are leaked out, and the purposes of puncturing tissues and cutting the tissues in an operation area are achieved.
As shown in fig. 1-4, during operation, the adjusting block 6 is moved to the left side, so that the adjusting block 6 is adjusted to the left side of the third movable cavity, the forceps core 3 and the forceps head 2 fixedly connected with the adjusting block 6 are also moved to the left side at the same time, and the forceps head 2 and the needle tip have a certain operating space; because the handle is made of flexible materials, the handle 8 is kneaded, the handle 8 drives the supporting piece 9, the supporting piece 9 drives the transmission block 7, the needle tube 4 fixedly connected with the transmission block 7 moves leftwards, the inner diameter of the left end opening of the needle tube 4 tightens and combines the two forceps heads of the forceps head 2, and the clamping function of the forceps is realized.
The adjusting block 6 is moved towards the right side, so that the adjusting block 6 is adjusted to the right side of the third movable cavity, the forceps core 3 and the forceps head 2 which are fixedly connected with the adjusting block 6 move towards the right side at the same time, then the forceps head 2 is contracted into the needle tube, the needle tip 1 is leaked, and the needle tip can perform puncture or cutting action.
The invention can realize the purposes of puncturing by using a needle tip, clamping by using tweezers or shearing by changing the tweezers head into the scissors head under the condition of not switching surgical instruments, and meets the application of complex operations and complex scenes.
The gear adjustment is realized by adjusting the adjusting block left and right, the clamping force of the forceps head 2 can be increased or reduced, and the purpose of preventing tissue from being clamped or other medical instruments such as an artificial lens loop from being clamped is achieved.
The needle tube is of a lateral bending structure and can also be of a straight structure, so that the application of complex operation scenes is met; meanwhile, the driving part is operated through the handle, so that the purpose of integrated handle transmission operation is achieved.
According to fig. 5, in one embodiment, a second sliding slot 15 is formed in the second housing, a sliding rod 16 is connected to the adjusting block 6, and the sliding rod 16 penetrates through the second sliding slot 15 and catches the eye to the outer side wall of the second housing; the other end of the slide rod 16 is connected with a first handle 18 with a C-shaped structure, one end of the first handle 18 is provided with a second handle 19
When the handle is operated, the first handle is held by fingers, so that the hands of people can be limited by the second handle when the first handle is repeatedly pulled, and the condition of handle release is reduced; the first handle with the sliding rod can further reciprocate in the first sliding groove, the connecting rod can further drive the adjusting block to reciprocate in the third movable cavity, and the purpose that the forceps head and the needle tip are contained in the needle tube or extend out of the needle tube is achieved; thereby realizing the purpose of performing operation by using the forceps more flexibly and controllably.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The utility model provides a microsurgical forceps of area cutting function which characterized in that includes: a needle tube (4), a forceps core (3) and a shell (5),
the tweezers core (3) is of a strip-shaped structure, and the tweezers core (3) is sleeved in the needle tube (4) of the tubular structure and is positioned in the needle tube (4) to reciprocate;
the needle tube (4) is connected to the inside of the shell (5) close to the inside of the shell (5), one end of the forceps core (3) is a clamping part, one end of the forceps core (3) far away from the clamping part is connected with a driving part, and the driving part is arranged in the shell (5);
one end of the forceps core (3) close to the driving part is located in the shell (5) to reciprocate.
2. Microsurgical forceps with cutting function as claimed in claim 1, characterized in that the clamping part is provided with a plurality of forceps heads (2), and one end of each forceps head (2) far away from the forceps core (3) is provided with a needle tip (1).
3. Microsurgical forceps with cutting function according to claim 1, characterized in that the housing (5) comprises a first housing, a second housing and a handle (8),
the first shell is movably connected with a tweezers core (3), the first shell is of a conical structure, a first movable cavity (10) is arranged inside the conical structure, the large-diameter end of the conical structure is connected with a second shell, a third movable cavity (12) is arranged in the second shell, and the first movable cavity (10) and the third movable cavity (12) are communicated;
one end of the second shell, which is far away from the first shell, is connected with a handle (8).
4. The microsurgical forceps with cutting function according to claim 3, wherein a fourth movable cavity (14) is arranged in the handle (8), and one end, close to the second shell, of the fourth movable cavity (14) is communicated with the third movable cavity (12);
the inner wall of the fourth movable cavity (14) is used for installing the driving part.
5. The microsurgical forceps with cutting function as claimed in claim 3, wherein the driving part comprises: a transmission block (7), a movable rod (21) and a support sheet (9),
one end, close to the second shell, of the transmission block (7) is connected with the tweezers core (3), and the other end of the transmission block (7) is provided with a first sliding groove (13);
two groups of first sliding grooves (13) are symmetrically arranged, a movable rod (21) is arranged in each first sliding groove (13) in a sliding manner, and two ends of each movable rod (21) are respectively hinged with a supporting piece (9);
the other end of the supporting sheet (9) is hinged on the inner wall of a fourth movable cavity (14) in the handle (8).
6. The microsurgical forceps with cutting function of claim 5, wherein the first movable cavity (10) and the third movable cavity (12) are communicated through a second movable cavity (11), and the diameter of the second movable cavity (11) is smaller than that of the first movable cavity (10) and the third movable cavity (12);
one end of the handle (8) close to the second shell is provided with a flexible structure;
the second shell is detachably connected with the open end of the handle (8).
7. The microsurgical forceps with cutting function according to claim 5, wherein an adjusting block (6) is arranged in the third movable cavity (12), one end of the adjusting block (6) is connected with the forceps core (3), the other end of the adjusting block (6) is connected with a connecting rod (17), and the connecting rod (17) is connected with the transmission block (7);
the other end of the connecting rod (17) is positioned in the fourth movable cavity (14) to reciprocate.
8. The microsurgical forceps with the cutting function according to claim 7, wherein a second through chute (15) is formed in the second shell, a slide rod (16) is connected to the adjusting block (6), and the slide rod (16) penetrates through the second through chute (15) and catches eyes to the outer side wall of the second shell;
the other end of the slide rod (16) is connected with a first handle (18) with a C-shaped structure, and one end of the first handle (18) is provided with a second handle (19).
Priority Applications (1)
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CN202011588411.9A CN112716565A (en) | 2020-12-29 | 2020-12-29 | Microsurgical forceps with cutting function |
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CN202011588411.9A CN112716565A (en) | 2020-12-29 | 2020-12-29 | Microsurgical forceps with cutting function |
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CN202011588411.9A Pending CN112716565A (en) | 2020-12-29 | 2020-12-29 | Microsurgical forceps with cutting function |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114272014A (en) * | 2021-11-17 | 2022-04-05 | 南京市河西医院有限公司 | FS (field-programmable) clamping device for traceless double-edged eyelid and using method thereof |
CN114305857A (en) * | 2021-12-06 | 2022-04-12 | 苏州碧利医疗科技有限公司 | Surgical forceps |
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CN205913376U (en) * | 2016-06-21 | 2017-02-01 | 俞秀茂 | Blood vessel forceps with blade |
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CN110338967A (en) * | 2019-07-09 | 2019-10-18 | 张国明 | A kind of novel Tweezers for eye surgery of intraocular forceps type and its application method |
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CN210470370U (en) * | 2019-07-31 | 2020-05-08 | 重庆市农业科学院 | Scissors and tweezers device |
CN211300197U (en) * | 2019-09-29 | 2020-08-21 | 杭州康基医疗器械有限公司 | Multi-claw gripping tongs with stable clamping |
CN214805133U (en) * | 2020-12-29 | 2021-11-23 | 苏州碧利医疗科技有限公司 | Microsurgical forceps with cutting function |
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US20080188877A1 (en) * | 2007-02-05 | 2008-08-07 | Hickingbotham Dyson W | Instruments For Removing an Object From the Eye |
CN205913376U (en) * | 2016-06-21 | 2017-02-01 | 俞秀茂 | Blood vessel forceps with blade |
CN209933162U (en) * | 2018-05-25 | 2020-01-14 | 南京医科大学第一附属医院 | Intraocular forceps cutting device |
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CN114272014A (en) * | 2021-11-17 | 2022-04-05 | 南京市河西医院有限公司 | FS (field-programmable) clamping device for traceless double-edged eyelid and using method thereof |
CN114272014B (en) * | 2021-11-17 | 2024-05-07 | 南京市河西医院有限公司 | FS tyre type traceless double eyelid clamping device and use method thereof |
CN114305857A (en) * | 2021-12-06 | 2022-04-12 | 苏州碧利医疗科技有限公司 | Surgical forceps |
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