CN111053597A - Surgical knife - Google Patents
Surgical knife Download PDFInfo
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- CN111053597A CN111053597A CN201911426626.8A CN201911426626A CN111053597A CN 111053597 A CN111053597 A CN 111053597A CN 201911426626 A CN201911426626 A CN 201911426626A CN 111053597 A CN111053597 A CN 111053597A
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- handle body
- handle
- clamping groove
- spring
- linkage
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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
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
- A61B17/3213—Surgical scalpels, knives; Accessories therefor with detachable blades
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- Heart & Thoracic Surgery (AREA)
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- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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 present invention provides a surgical knife comprising: a scalpel body and a jacket; wherein, scalpel body includes: the handle body, the cutter body, the transmission mechanism and the trigger; the handle body is in a pistol shape with a hollow interior, one end of the handle body is an outlet end, and the other end of the handle body is a handle end; one end of the cutter body is arranged at the outlet end of the handle body, and the other end of the cutter body is a free end; the trigger is arranged at the bending part of the handle; the transmission mechanism is arranged between the handle and the trigger, and the transmission mechanism is integrally arranged in the handle. The jacket is sleeved at the free end of the cutter body. The invention has the characteristics of simple structure, light weight, low cost, convenient use and the like, and can be widely applied to the medical field.
Description
Technical Field
The invention relates to the technical field of surgical operations, in particular to a scalpel.
Background
With the development of the scientific and technological level and the improvement of the living standard of people, the minimally invasive medical treatment is more and more popular among doctors and patients due to the characteristics of small pain, small wound, tiny scars, less bleeding during operation, quick body recovery and the like caused by the minimally invasive medical treatment. Ultrasonic surgical instruments are widely used in minimally invasive medical procedures. However, the ultrasonic surgical instrument has too many parts and heavy weight, which easily causes hand fatigue of the doctor in the process of holding and using, and may affect the operation to a certain extent.
Therefore, in the prior art, the surgical instrument for minimally invasive surgery has the problems of complex structure, heavy weight, inconvenient use, high cost and the like.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a scalpel that has simple structure, light weight, low cost and convenient use.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a scalpel, comprising: a scalpel body and a jacket; wherein, scalpel body includes: the handle body, the cutter body, the transmission mechanism and the trigger;
the handle body is in a pistol shape with a hollow interior, one end of the handle body is an outlet end, and the other end of the handle body is a handle end; one end of the cutter body is horizontally arranged at the outlet end of the handle body, and the other end of the cutter body is a free end; the trigger is arranged at the outer side of the bent part of the handle body; the transmission mechanism is arranged between the handle and the trigger and between the handle body and the cutter body, and the transmission mechanism is integrally arranged in the handle. The jacket is sleeved at the free end of the cutter body.
In summary, the scalpel of the present invention comprises a pistol-shaped handle, a scalpel body, a trigger and a transmission mechanism, wherein the transmission mechanism connects the handle, the trigger and the scalpel body, the scalpel body is mounted at an outlet end of the handle, and the trigger is mounted at an outer side of a bending portion of the handle. When the trigger is pressed by hand, the trigger drives the transmission mechanism to move, and the transmission mechanism drives the cutter body to move inwards or outwards towards the handle body, so that the operation is completed. Therefore, the scalpel is simple in structure, light in weight, low in cost and convenient to use.
Drawings
FIG. 1 is a front sectional view of a first general component structure of the scalpel body of the present invention.
Fig. 2 is a front sectional view of a second general component structure of the scalpel body of the present invention.
Fig. 3 is a main sectional view showing an enlarged structure of a surgical knife holder according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a front sectional view of a first general component structure of the scalpel body of the present invention. Fig. 2 is a front sectional view of a second general component structure of the scalpel body of the present invention. Fig. 3 is a main sectional view showing an enlarged structure of a surgical knife holder according to the present invention. As shown in fig. 1, 2, and 3, the scalpel according to the present invention includes: a scalpel body, a jacket 20; wherein, scalpel body includes: the handle body, the cutter body, the transmission mechanism and the trigger; wherein the content of the first and second substances,
the handle body is in a pistol shape with a hollow interior, one end of the handle body is an outlet end, and the other end of the handle body is a handle end; one end of the cutter body is horizontally arranged at the outlet end of the handle body, and the other end of the cutter body is a free end; the trigger is arranged at the outer side of the bent part of the handle body; the transmission mechanism is arranged between the handle and the trigger and between the handle body and the cutter body, and the transmission mechanism is integrally arranged in the handle. The jacket 20 is sleeved on the free end of the cutter body.
In a word, the scalpel comprises a pistol-shaped handle body, a scalpel body, a trigger and a transmission mechanism, wherein the transmission mechanism is connected with the handle body, the trigger and the scalpel body, the scalpel body is arranged at the outlet end of the handle body, and the trigger is arranged at the outer side of the bent part of the handle body. When the trigger is pressed by hand, the trigger drives the transmission mechanism to move, and the transmission mechanism drives the cutter body to move inwards or outwards towards the handle body, so that the operation is completed. Therefore, the scalpel is simple in structure, light in weight, low in cost and convenient to use.
In the present invention, the cutter body includes: the tissue cutting device comprises an elastic forceps head 1, a tissue gasket 2 and a cutter bar assembly 3; the cutter bar component 3 comprises an inner rod 17, an outer rod 18 and a pull pin 4, wherein the outer rod 18 is of a hollow structure; the inner rod 17 penetrates through the outer rod 18, one end of the sleeved inner rod 17 and one end of the sleeved outer rod 18 are fixedly inserted into the outlet end of the handle body, and one end of the inner rod 17 inserted into the outlet end of the handle body is also fixedly connected with a pull pin 4; the other end of the inner rod 17 is fixedly provided with an elastic forceps head 1 as a free end, the other end of the outer rod 18 is fixedly provided with a tissue gasket 2 as a free end, the tissue gasket 2 is inelastic, and the elastic forceps head 1 and the tissue gasket 2 correspondingly form a cutter.
In the present invention, the trigger includes: a rotating shaft 6 and a wrench 7; wherein, spanner 7 is arc L type, and spanner 7 short side limit top is rotated and is connected on pivot 6, and pivot 6 is fixed in inside the handle body bending part, spanner 7 set up in the handle body bending part outside.
As shown in fig. 1 of the present invention, the transmission mechanism includes: the device comprises a card 9, a first limit clamping groove 10, a first linkage rod 8, a gear 11, a second linkage rod 12, a second limit clamping groove 13, a linkage piece 15, a push plate 16, a first spring 5, a second spring 14 and a baffle plate 19; the card 9 and the first limiting clamping groove 10 are both arc-shaped, and a tooth is arranged on one side in the second limiting clamping groove 13; the first limiting clamping groove 10 is arranged at the lower part in the handle end of the handle body, one end of the card 9 is fixed at the long side of the wrench 7, the other end of the card 9 is a free end, and the free end of the card 9 is inserted into the first limiting clamping groove 10. The second limiting clamping groove 13 is vertically arranged at the upper part in the handle of the handle body along the handle end of the handle body, a tooth is arranged at the inner side of the second limiting clamping groove 13 close to the wrench 7, the gear 11 is rotatably arranged in the second limiting clamping groove 13, and the gear 11 is meshed with the tooth in the second limiting clamping groove 13; one end of a first linkage rod 8 is fixed at the upper part of one end of a long side clamping sheet 9 of the wrench 7, and the other end of the first linkage rod 8 is fixed on a shaft of a gear 11; one end of the second linkage rod 12 is also fixed to the shaft of the gear 11, and the other end of the second linkage rod 12 is fixed to the middle rear portion of the linkage piece 15. The linkage piece 15 is horizontally arranged at the upper part in the handle body; in the handle body, the front end of the linkage piece 15 is provided with a push plate 16, and the push plate 16 is fixedly connected to the front side of the pull pin 4; a first spring 5 is further arranged above the front part of the linkage piece 15, the first spring 5 is horizontally arranged in the handle body, one end of the first spring 5 is positioned on one side of the pull pin 4, but one end of the first spring 5 is not fixedly connected with the pull pin 4, and the other end of the first spring 5 is fixed with the inside of the handle body; the rear end of the linkage piece 15 is fixedly connected with one end of the second spring 14, the other end of the second spring 14 is fixed on a baffle plate 19, and the baffle plate 19 is fixed at the rear end in the handle body.
As shown in fig. 2 of the present invention, the transmission mechanism includes: the device comprises a card 9, a first limit clamping groove 10, a first linkage rod 8, a rotor 21, a second linkage rod 12, a third limit clamping groove 23, a linkage piece 15, a push plate 16, a first spring 5, a second spring 14 and a baffle plate 19; the card 9 and the first limiting clamping groove 10 are both arc-shaped; the first limiting clamping groove 10 is arranged at the lower part in the handle end of the handle body, one end of the card 9 is fixed at the long side of the wrench 7, the other end of the card 9 is a free end, and the free end of the card 9 is inserted into the first limiting clamping groove 10. A third limiting clamping groove 23 is vertically arranged at the upper part in the handle of the handle body along the handle end of the handle body, and the rotor 21 is rotatably arranged in the third limiting clamping groove 23; one end of a first linkage rod 8 is fixed at the upper part of one end of a long side clamping sheet 9 of the wrench 7, and the other end of the first linkage rod 8 is sleeved on a shaft of the rotor 21; one end of the second linkage rod 12 is also sleeved on the shaft of the rotor 21, and the other end of the second linkage rod 12 is fixed at the middle rear part of the linkage piece 15. The linkage piece 15 is horizontally arranged at the upper part in the handle body; in the handle body, the front end of the linkage piece 15 is provided with a push plate 16, and the push plate 16 is fixedly connected to the front side of the pull pin 4; a first spring 5 is further arranged above the front part of the linkage piece 15, the first spring 5 is horizontally arranged in the handle body, one end of the first spring 5 is positioned on one side of the pull pin 4, but one end of the first spring 5 is not fixedly connected with the pull pin 4, and the other end of the first spring 5 is fixed with the inside of the handle body; the rear end of the linkage piece 15 is fixedly connected with one end of the second spring 14, the other end of the second spring 14 is fixed on a baffle plate 19, and the baffle plate 19 is fixed at the rear end in the handle body.
In practical applications, the linkage 15 and the push plate 16 may be a unitary structure.
In the invention, the jacket 20 is sleeved at the free end of the cutter body, and specifically comprises the following components: the jacket 20 is sleeved at one end of the binding clip 1 of the cutter body; the jacket 20 has a square hollow structure as a whole, and the hollow structure has a funnel shape.
In the present invention, the first spring 5 acts to limit the backward movement of the inner lever 17. In practice, the second linkage rod 12 is installed at an angle.
In conclusion, when the scalpel is held by a hand, the wrench is pressed by the hand, moves towards the direction close to the handle along the rotating shaft, and pushes the clamping piece to move towards the first limiting clamping groove; meanwhile, the wrench pushes the first linkage rod to drive the gear to move along the second limiting clamping groove from bottom to top in a meshed manner, or the wrench pushes the first linkage rod to drive the rotor to move along the third limiting clamping groove from bottom to top; the gear or the rotor moving upwards simultaneously pushes the second linkage rod to move backwards, and the second linkage rod further drives the linkage part to also compress the second spring to move backwards; the moving linkage piece drives the pull pin and the push plate to move backwards and compress the first spring; the push plate further drives the elastic forceps head to move backwards, and at the moment, the elastic forceps head and the tissue gasket which form the cutter are correspondingly closed. The wrench is loosened, moves in the direction away from the handle along the rotating shaft, and pulls the card to move towards the outside of the first limiting clamping groove; meanwhile, the wrench pulls the first linkage rod to drive the gear to move along the second limiting clamping groove in a meshed manner from top to bottom, or the wrench pulls the first linkage rod to drive the rotor to move along the third limiting clamping groove from top to bottom; the gear or the rotor moving downwards pushes the second linkage rod to move forwards at the same time, and the linkage piece moves forwards under the pulling action of the second linkage rod and the elastic force action of the second spring; the pull pin and the push plate further drive the elastic binding clip to move forwards under the pushing action of the linkage piece and the elastic action of the first spring, at the moment, the elastic binding clip forming the cutter is correspondingly opened with the tissue gasket, and the cutter is reset. Therefore, the components of the pistol-shaped handle body, the scalpel body, the trigger and the transmission mechanism in the scalpel are simple, and except that the scalpel meets the medical requirement, all the other components are made of common materials, so the scalpel has lower cost and lighter weight; furthermore, the scalpel is convenient to use. In addition, when the scalpel is in a non-working state, the scalpel part is sleeved by the jacket, so that the sanitation and the safety of the scalpel are guaranteed.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A surgical knife, comprising: a scalpel body and a jacket; wherein, scalpel body includes: the handle body, the cutter body, the transmission mechanism and the trigger;
the handle body is in a pistol shape with a hollow interior, one end of the handle body is an outlet end, and the other end of the handle body is a handle end; one end of the cutter body is horizontally arranged at the outlet end of the handle body, and the other end of the cutter body is a free end; the trigger is arranged at the outer side of the bent part of the handle body; the transmission mechanism is arranged between the handle and the trigger and between the handle body and the cutter body, and the transmission mechanism is integrally arranged in the handle;
the jacket is sleeved at the free end of the cutter body.
2. The surgical knife of claim 1, wherein the knife body comprises: the elastic forceps head, the tissue gasket and the cutter bar assembly; the cutter bar assembly comprises an inner rod, an outer rod and a pull pin, wherein the outer rod is of a hollow structure;
the inner rod is sleeved in the outer rod in a penetrating manner, one end of the sleeved inner rod and one end of the sleeved outer rod are fixedly inserted in the outlet end of the handle body, and one end of the inner rod inserted in the outlet end of the handle body is also fixedly connected with a pull pin; the other end of the inner rod is fixedly provided with an elastic forceps head as a free end, the other end of the outer rod is fixedly provided with a tissue gasket as a free end, the tissue gasket is non-elastic, and the elastic forceps head and the tissue gasket correspondingly form a cutter.
3. A scalpel according to claim 2, wherein the trigger comprises: a rotating shaft and a wrench; wherein the content of the first and second substances,
the spanner is arc L type, and spanner minor flank side top is rotated and is connected in the pivot, and the pivot is fixed in inside the handle body bending part, the spanner set up in the handle body bending part outside.
4. A scalpel according to claim 3, in which the drive mechanism comprises: the device comprises a card, a first limiting clamping groove, a first linkage rod, a gear, a second linkage rod, a second limiting clamping groove, a linkage part, a push plate, a first spring, a second spring and a baffle plate; the card and the first limiting clamping groove are both arc-shaped, and a meshed tooth is arranged on one side in the second limiting clamping groove;
the first limiting clamping groove is arranged at the lower part in the handle end of the handle body, one end of the card is fixed at the long side of the wrench, the other end of the card is a free end, and the free end of the card is inserted into the first limiting clamping groove;
the second limiting clamping groove is vertically arranged at the upper part in the handle body handle along the handle body handle end, a grinding tooth is arranged on the inner side, close to the wrench, of the second limiting clamping groove, the gear is rotatably arranged in the second limiting clamping groove, and the gear is meshed with the grinding tooth in the second limiting clamping groove; one end of the first linkage rod is fixed at the upper part of one end of the long side clamping piece of the wrench, and the other end of the first linkage rod is fixed on a shaft of the gear; one end of the second linkage rod is also fixed on the shaft of the gear, and the other end of the second linkage rod is fixed at the middle rear part of the linkage piece;
the linkage piece is horizontally arranged at the upper part in the handle body; a push plate is arranged at the front end of the linkage part in the handle body and fixedly connected to the front side of the pull pin; a first spring is further arranged above the front part of the linkage part and horizontally arranged in the handle body, one end of the first spring is positioned on one side of the pull pin, but one end of the first spring is not fixedly connected with the pull pin, and the other end of the first spring is fixed with the inside of the handle body; the rear end of the linkage piece is fixedly connected with one end of a second spring, the other end of the second spring is fixed on a baffle, and the baffle is fixed at the rear end in the handle body.
5. A scalpel according to claim 3, in which the drive mechanism comprises: the clamping piece, the first limiting clamping groove, the first linkage rod, the rotor, the second linkage rod, the third limiting clamping groove, the linkage piece, the push plate, the first spring, the second spring and the baffle plate; the card and the first limiting clamping groove are both arc-shaped;
the first limiting clamping groove is arranged at the lower part in the handle end of the handle body, one end of the card is fixed at the long side of the wrench, the other end of the card is a free end, and the free end of the card is inserted into the first limiting clamping groove;
the third limiting clamping groove is vertically arranged at the upper part in the handle body along the handle end of the handle body, the second limiting clamping groove is provided with a grinding tooth close to the inner side of the wrench, and the rotor is rotatably arranged in the third limiting clamping groove; one end of the first linkage rod is fixed at the upper part of one end of the long side clamping piece of the wrench, and the other end of the first linkage rod is sleeved on the shaft of the rotor; one end of the second linkage rod is also sleeved on the shaft of the rotor, and the other end of the second linkage rod is fixed at the middle rear part of the linkage piece;
the linkage piece is horizontally arranged at the upper part in the handle body; a push plate is arranged at the front end of the linkage part in the handle body and fixedly connected to the front side of the pull pin; a first spring is further arranged above the front part of the linkage part and horizontally arranged in the handle body, one end of the first spring is positioned on one side of the pull pin, but one end of the first spring is not fixedly connected with the pull pin, and the other end of the first spring is fixed with the inside of the handle body; the rear end of the linkage piece is fixedly connected with one end of a second spring, the other end of the second spring is fixed on a baffle, and the baffle is fixed at the rear end in the handle body.
6. The scalpel as in claim 2, 3, 4 or 5, wherein the collet is sleeved at the free end of the scalpel body, and specifically comprises: the jacket is sleeved at one end of the binding clip of the cutter body;
the whole jacket is of a square hollow structure, and the hollow structure is of a funnel shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911426626.8A CN111053597A (en) | 2019-12-24 | 2019-12-24 | Surgical knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911426626.8A CN111053597A (en) | 2019-12-24 | 2019-12-24 | Surgical knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111053597A true CN111053597A (en) | 2020-04-24 |
Family
ID=70306294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911426626.8A Pending CN111053597A (en) | 2019-12-24 | 2019-12-24 | Surgical knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111053597A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184559A (en) * | 2019-12-24 | 2020-05-22 | 河南理工大学 | Surgical knife |
-
2019
- 2019-12-24 CN CN201911426626.8A patent/CN111053597A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184559A (en) * | 2019-12-24 | 2020-05-22 | 河南理工大学 | Surgical knife |
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