CN215080113U - Double-head surgical scissors - Google Patents
Double-head surgical scissors Download PDFInfo
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- CN215080113U CN215080113U CN202120547704.6U CN202120547704U CN215080113U CN 215080113 U CN215080113 U CN 215080113U CN 202120547704 U CN202120547704 U CN 202120547704U CN 215080113 U CN215080113 U CN 215080113U
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Abstract
The utility model belongs to the technical field of medical instrument, particularly, relate to a double-end operation is cut, including two positive and negative handles, two crop and a pivot of mutually supporting, the pivot is installed on the crop, be located and be close to the one end of handle, every the crop all is equipped with two parallel arrangement's cutting edge, two the crop is winding form two shearing position, two when the pivot rotates be equipped with the interval between the shearing position. Use the utility model discloses a when the double-end operation is cut and is carried out the animal experiment, two crop forms two shearing position when cuting to once cut and to cut the part between two shearing position and leave the body. When the myocardial ischemia reperfusion model is constructed, the ribs of a section of rat can be cut off by cutting once, so that the extrusion of the heart is facilitated. Simple operation, short time consumption and capability of reducing the death rate of animals.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, particularly, the utility model relates to a double-end operation is cut.
Background
The scissors are double-edge tools for cutting sheet or linear objects such as cloth, paper, steel plates, ropes, round steel and the like, and the two edges are staggered and can be opened and closed. Generally speaking, scissors include positive and negative two scissors bodies of mutually supporting, and the scissors body comprises cutting head and handle, and two scissors bodies appearances are the same, are connected by a pivot, can cut the object when mutual rotation.
Scissors are very convenient when cutting objects, but have certain limitations that only one cut can be made at a time. In animal experiments in the medical field, when constructing a myocardial ischemia-reperfusion model, it is necessary to cut off a section of a rat rib rapidly in order to squeeze out the rat heart. When the rat ribs are cut off, the traditional scissors are required to be cut twice, the operation is complex, the consumed time is long, and other appliances (such as hemostatic forceps) are required to pick the rat ribs out during the operation, so that the complexity of the operation is further increased, the bleeding or lung injury of animals is easily caused, and the death rate of the animals is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a double-end surgical scissors, its technical scheme as follows:
the utility model provides a double-end surgical scissors, includes two handles, two cutting heads and a pivot of positive and negative mutually supporting, the pivot is installed on the cutting head, be located and be close to the one end of handle, every the cutting head all is equipped with two parallel arrangement's cutting edge, two the cutting head is winding form two shearing positions, two when the pivot rotates be equipped with the interval between the shearing position.
The double-headed surgical scissors as described above are more preferably: the spacing between two of the shearing positions is 3mm to 10 mm.
The double-headed surgical scissors as described above are more preferably: the shear blade is provided with a blade edge and a blunt edge, the blade edge is arc-shaped, the middle part of the blade edge is bent towards one side of the blunt edge, the blade edge and the blunt edge are connected at the free end, and the other end of the blade edge and the blunt edge are respectively connected with the handle.
The double-headed surgical scissors as described above are more preferably: the cooperating two said edges are tangent at said free end when closed.
The double-headed surgical scissors as described above are more preferably: the blunt edge is arc-shaped, the bending direction of the blunt edge is consistent with that of the blade edge, the blunt edge is connected with the blade edge at the free end, and the blunt edge is tangent with the handle at the other end.
The double-headed surgical scissors as described above are more preferably: the distance between the end part of the handle and the rotating shaft is greater than the distance between the free end and the rotating shaft.
The double-headed surgical scissors as described above are more preferably: the handle comprises a straight rod part and a holding ring part, one end of the straight rod part is connected with the holding ring part, and the other end of the straight rod part is connected with the shearing head.
The double-headed surgical scissors as described above are more preferably: along the length direction of the handle, the length of the grip ring part is smaller than that of the straight rod part.
The double-headed surgical scissors as described above are more preferably: the handle is L-shaped, the grip ring part is an L-shaped transverse part, and the straight rod part is an L-shaped longitudinal part.
The double-headed surgical scissors as described above are more preferably: the handle and the shear head are integrally formed.
The analysis can know, compare with prior art, the utility model discloses an advantage and beneficial effect lie in:
the utility model discloses a two crop forms two shearing positions when cuting to once cut and to cut the part between two shearing positions and leave the body. When the myocardial ischemia reperfusion model is constructed, the ribs of a section of rat can be cut off by cutting once, so that the extrusion of the heart is facilitated. Simple operation, short time consumption and capability of reducing the death rate of animals. And simultaneously, the utility model discloses a double-end operation is cut can stretch into the animal internally, picks out the rib and cuts again, can replace other utensils when carrying out the animal experiment, reduces instrument quantity, reduces the operation degree of difficulty.
Drawings
Fig. 1 is a schematic view of the double-headed surgical scissors of the present invention in a closed state.
Fig. 2 is a front view of the double-headed surgical scissors of the utility model in a closed state.
Fig. 3 is a side view of the double-headed surgical scissors of the present invention in a closed state.
Fig. 4 is a schematic view of the open state of the double-headed surgical scissors of the present invention.
Fig. 5 is a front view of the double-headed surgical scissors of the present invention in an open state.
In the figure: 1-head shearing; 2-a rotating shaft; 3-a handle; 4-cutting edge; 5-a free end; 6-edge; 7-blunt edge; 8-straight rod part; 9-a grip ring portion; 10-shear position.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 to 5, fig. 1 is a schematic view illustrating a closed state of the double-headed surgical scissors of the present invention; FIG. 2 is a front view of the double-headed surgical scissors of the present invention in a closed state; FIG. 3 is a side view of the double-ended surgical shears of the present invention in a closed state; FIG. 4 is a schematic view of the double-headed surgical scissors of the present invention in an open state; fig. 5 is a front view of the double-headed surgical scissors of the present invention in an open state.
The utility model provides a pair of double-head surgical scissors, which mainly comprises two handles 3, two scissor heads 1 and a rotating shaft 2 which are mutually matched positively and negatively. Pivot 2 is installed on cutting head 1, is located the one end that is close to handle 3, and every cutting head 1 all is equipped with two parallel arrangement's cutting edge 4, and two cutting heads 1 form two shearing position 10 when revolving shaft 2 rotates, are equipped with the interval between two shearing position 10.
Particularly, use the utility model discloses a when the double-end operation is cut and is carried out the animal experiment, two scissor heads 1 form two shearing position 10 when cuting to once cut and to cut the part between two shearing position 10 and leave the body. When the myocardial ischemia reperfusion model is constructed, the ribs of a section of rat can be cut off by cutting once, so that the extrusion of the heart is facilitated. Simple operation, short time consumption and capability of reducing the death rate of animals.
Further, the interval between two cutting positions 10 is the length of the body that breaks away from during cutting, preferably, in the present invention, the interval (L) between two cutting positions 104) Ranging from 3mm to 10 mm. For example, the cutting device can be 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, or can be a decimal between integers, for example, 3.5mm, 4.5mm, 5.5mm, 6.5mm, 7.5mm, 8.5mm, 9.5mm, and further, aiming at different use ways, the interval between two cutting positions 10 of the double-head surgical scissors of the utility model can be designed to be different sizes, so that tissue specimens with specific lengths can be cut.
Further, the utility model discloses in, cutting edge 4 has sword 6 and blunt limit 7, and sword 6 is the arc, and the middle part is towards blunt limit 7 place one side bending, and sword 6 and blunt limit 7 meet, connect handle 3 respectively at the other end at free end 5. The shape of the edge 6 is similar to that of a sickle, so that the edge can extend into an animal body, ribs can be picked out and cut off, other devices (such as hemostatic forceps) can be replaced during animal experiments, the number of tools is reduced, and the operation difficulty is reduced.
Further, in order to ensure the shearing effect the utility model discloses in, two edges 6 of mutually supporting are tangent in free end 5 department when closed to make two edges 6 of mutually supporting can ensure the shearing effect at the full length fit-up of edge 6. Namely: when the double-head surgical scissors are opened, the two mutually matched blade edges 6 are intersected at the shearing position 10, and when the shearing action is executed, the intersected point of the blade edges 6 gradually moves towards the free end 5 until the intersected point coincides with the end point of the free end 5 when the double-head surgical scissors are completely closed, so that the two mutually matched blade edges 6 can be completely matched, and the condition of continuous shearing is avoided.
Furthermore, in order to facilitate the entering of the ribs into the animal body, the blunt edge 7 is arc-shaped, the bending direction of which is consistent with the bending direction of the blade edge 6, the free end 5 is connected with the blade edge 6, and the other end of which is tangent to the handle 3. The cutting edge 4 is shaped like a half of a crescent, such as a hook, to reduce injury to the animal when entering the animal.
Further, in the present invention, the distance (L) between the end of the handle 3 and the shaft 20) Is larger than the distance (L) between the free end 5 and the rotating shaft 21) Thereby being capable of fully utilizing the lever principle to save labor.
Further, the utility model discloses in, handle 3 includes straight rod portion 8 and holds ring portion 9, and straight rod portion 8 one end meets with holding ring portion 9, and the other end meets with shear head 1, can lengthen the distance between hand and the cutting edge 4 when the operation, avoids the sight to be sheltered from. Preferably, the length (L) of the grip portion 9 is along the longitudinal direction of the handle 33) Is less than the length (L) of the straight rod part 82) When in use, one of the grip ring parts 9 contains a thumb, and the other grip ring part 9 contains a ring finger; or one grip ring portion 9 accommodates a ring finger and the other grip ring portion 9 accommodates a middle finger.
Further, the utility model discloses in, handle 3 is the L type, holds ring portion 9 and is the horizontal portion of L type, and straight rod portion 8 is the vertical portion of L type, and double-end operation is cut wholly and is long and thin form convenient to use.
Further, the utility model discloses in, handle 3 and cut 1 integrated into one piece of head, simple structure, spare part is few, the cleanness of being convenient for is maintained. The double-head surgical scissors are integrally made of stainless steel, such as martensitic stainless steel, and have high hardness and good wear resistance.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (10)
1. The utility model provides a double-end surgical scissors, includes two handles of positive and negative mutually supporting, two cuts head and a pivot, the pivot is installed on the cut head, be located and be close to the one end of handle, its characterized in that:
every cutting head all is equipped with two parallel arrangement's cutting edge, two cutting head is in around pivot forms two shearing positions when rotating, two be equipped with the interval between the shearing position.
2. The double-ended surgical scissors of claim 1, wherein:
the spacing between two of the shearing positions is 3mm to 10 mm.
3. The double-ended surgical scissors of claim 1, wherein:
the shear blade is provided with a blade edge and a blunt edge, the blade edge is arc-shaped, the middle part of the blade edge is bent towards one side of the blunt edge, the blade edge and the blunt edge are connected at the free end, and the other end of the blade edge and the blunt edge are respectively connected with the handle.
4. The double-ended surgical scissors of claim 3, wherein:
the cooperating two said edges are tangent at said free end when closed.
5. The double-ended surgical scissors of claim 3, wherein:
the blunt edge is arc-shaped, the bending direction of the blunt edge is consistent with that of the blade edge, the blunt edge is connected with the blade edge at the free end, and the blunt edge is tangent with the handle at the other end.
6. The double-ended surgical scissors of claim 3, wherein:
the distance between the end part of the handle and the rotating shaft is greater than the distance between the free end and the rotating shaft.
7. The double-ended surgical scissors of claim 1, wherein:
the handle comprises a straight rod part and a holding ring part, one end of the straight rod part is connected with the holding ring part, and the other end of the straight rod part is connected with the shearing head.
8. The double-ended surgical scissors of claim 7, wherein:
along the length direction of the handle, the length of the grip ring part is smaller than that of the straight rod part.
9. The double-ended surgical scissors of claim 7, wherein:
the handle is L-shaped, the grip ring part is an L-shaped transverse part, and the straight rod part is an L-shaped longitudinal part.
10. The double-ended surgical scissors of claim 1, wherein:
the handle and the shear head are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547704.6U CN215080113U (en) | 2021-03-16 | 2021-03-16 | Double-head surgical scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547704.6U CN215080113U (en) | 2021-03-16 | 2021-03-16 | Double-head surgical scissors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215080113U true CN215080113U (en) | 2021-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120547704.6U Active CN215080113U (en) | 2021-03-16 | 2021-03-16 | Double-head surgical scissors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215080113U (en) |
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2021
- 2021-03-16 CN CN202120547704.6U patent/CN215080113U/en active Active
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