Scissor type needle holding forceps for burn plastic surgery
Technical Field
The invention relates to the field of burn plastic surgery, in particular to scissors type needle holding forceps for burn plastic surgery.
Background
The operation suture needle is mainly used for suturing tissues and penetrating ligation, is made of stainless steel with high quality and high toughness, the strength of the needle holder is to ensure that the needle holder can carry suture materials to penetrate tissues with minimum resistance and the tissue dragging is reduced to the minimum, the needle holder is a surgical instrument in clinical medicine and surgical operation, the needle holder is also called a needle holder and is mainly used for holding surgical suture needles to suture various tissues, after the needle forceps are used for sewing, fixing and knotting the skin, the tail thread needs to be cut off with the help of hands, the process of cutting off the tail thread by matching with other people prolongs the time and the process of surgical suture, under the condition of large skin grafting, the time of the skin grafting operation can be greatly prolonged, the existing needle holding forceps are mainly locked and locked through tooth fastening, and no external force is applied to the inner side for assisting in supporting, so that the phenomenon that the mouth of the needle holding forceps is opened due to misoperation exists in the needle holding forceps, and the using effect of the needle holding forceps is influenced.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a scissors-type needle holder for burn and scald surgery.
The invention realizes the purpose through the following technical scheme:
a scissors type needle holding forceps for burn plastic comprises a first forceps body and a second forceps body which are connected in a rotating mode, wherein a shearing mechanism used for shearing a line body is arranged on the second forceps body, and a locking mechanism used for fixing the first forceps body and the second forceps body is arranged between the first forceps body and the second forceps body; the first clamp body comprises a first clamp body, one end of the first clamp body is provided with a first clamp head, the other end of the first clamp body is provided with a first clamp handle, the second clamp body comprises a second clamp body, one end of the second clamp body is provided with a second clamp head, the other end of the second clamp body is provided with a second clamp handle, and avoidance grooves are symmetrically formed in opposite surfaces of the first clamp head and the second clamp head; the shearing mechanism comprises a push block arranged on the second caliper body, a positioning column is arranged on the inner side of the push block, the lower end of the positioning column is positioned in the push block and internally provided with a second spring, one side of the push block is positioned in the second caliper body and internally provided with a connecting rod, a first spring is arranged on the outer diameter of the connecting rod and close to the push block, a cutter body is arranged at one end of the connecting rod, which is far away from the push block, a pressing plate is arranged on the outer wall of the second caliper body, and a boss is arranged at the lower end of the pressing;
the locking mechanism comprises a lock catch arranged on the inner wall of the first caliper body and the second caliper body, a sliding groove is formed in the inner side of the first caliper body, a sliding block is arranged in the sliding groove, a fastening screw rod penetrates through the sliding block, a spring piece is arranged on the fastening screw rod, and a limiting column is arranged at the lower end of the spring piece.
Further setting: the connecting rod and the groove body with the sliding blade body are arranged on the inner side of the second caliper body, and the groove body is communicated with the avoiding groove on the second caliper body.
So set up, be convenient for the connecting rod promotes the blade roll-off dodge the groove and use, and also be convenient for right the blade is accomodate.
Further setting: the first caliper body is connected with the sliding block in a sliding mode, the spring piece is L-shaped, and the fastening screw is connected with the spring piece in a clearance mode.
So set up, be convenient for through rotating the fastening screw is right the sliding block position is fixed, and then right spring leaf position control changes the internal stay power when first pincers body, second pincers body hasp.
Further setting: the fastening screw rod with sliding block threaded connection, spacing post with sliding block sliding connection.
So set up, be convenient for pass through spacing post is right the spring leaf with the rigidity of sliding block.
Further setting: the positioning column is connected with the pushing block in a sliding mode, a through hole matched with the positioning column is formed in the second caliper body, and the diameter of the boss is smaller than the inner diameter of the through hole.
Due to the arrangement, after the push block slides, the positioning column enters the through hole in the second caliper body to fix the position of the push block.
Further setting: the pressing plate is rotatably connected with the second caliper body, and a pressure spring is arranged on the lower side of the pressing plate.
Due to the arrangement, the pressing plate is pressed down conveniently, so that the boss moves the positioning column downwards to reset the push block.
Further setting: and clamping grains are arranged on the opposite surfaces of the first tong head and the second tong head.
By the arrangement, the clamping stability of the first tong head and the second tong head is improved.
Further setting: the first forceps handle and the second forceps handle are annular, and anti-skid lines are arranged on the inner side face of the annular shape.
According to the arrangement, the stability of holding the first clamp handle and the second clamp handle is improved.
Compared with the prior art, the invention has the following beneficial effects:
the spring piece is positioned at a proper position through the position adjustment of the sliding block of the locking mechanism on the first caliper body, when the first caliper body and the second caliper body are locked through the lock catches, the spring piece tightly supports the inner sides of the first caliper body and the second caliper body, the locking stability of the first caliper body and the second caliper body is ensured, the connecting rod is pushed through the push block of the shearing mechanism, the positioning column is pushed down by the push of the second spring and is limited and fixed with the second caliper body, the cutter body is displayed, the first caliper body and the second caliper body are rotated relatively, the cutter body is convenient to shear the cutter body, and the use convenience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first structural schematic view of an embodiment 1 of a scissors-type needle holder for burn and plastic surgery according to the present invention;
FIG. 2 is a second schematic structural view of the scissors-type needle holder of embodiment 1 for burn and plastic surgery according to the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at B;
FIG. 4 is a schematic top view of a scissors-type needle holder for burn and plastic surgery according to the present invention;
FIG. 5 is a schematic sectional view A-A of FIG. 4;
FIG. 6 is an enlarged schematic view of FIG. 5 at C;
FIG. 7 is an enlarged view of the structure at E in FIG. 5;
FIG. 8 is a schematic view of a portion of the shearing mechanism of a scissors-type needle holder for burn and plastic surgery according to the present invention;
fig. 9 is a schematic structural view of a scissors-type needle holder for burn and plastic surgery according to embodiment 2 of the present invention.
The reference numerals are explained below:
1. a first caliper body; 11. a first caliper body; 12. a first binding clip; 13. a first plier handle; 2. a second caliper body; 21. a second caliper body; 22. a second binding clip; 23. a second forceps handle; 3. a shearing mechanism; 31. a push block; 32. a positioning column; 33. a connecting rod; 34. a blade body; 35. a first spring; 36. pressing a plate; 37. a boss; 38. a second spring; 4. a locking mechanism; 41. locking; 42. a spring plate; 43. fastening a screw rod; 44. a slider; 45. a limiting column; 5. an avoidance groove; 6. and (4) anti-skid lines.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
example 1
As shown in fig. 1 to 8, a scissors type needle holder for burn and plastic surgery comprises a first holder body 1 and a second holder body 2 which are rotatably connected, wherein a shearing mechanism 3 for shearing a line body is arranged on the second holder body 2, and a locking mechanism 4 for fixing the positions of the first holder body 1 and the second holder body 2 is arranged between the first holder body 1 and the second holder body 2; the first plier body 1 comprises a first plier body 11, one end of the first plier body 11 is provided with a first plier head 12, the other end of the first plier body 11 is provided with a first plier handle 13, the second plier body 2 comprises a second plier body 21, one end of the second plier body 21 is provided with a second plier head 22, the other end of the second plier body 21 is provided with a second plier handle 23, and avoidance grooves 5 are symmetrically arranged on opposite surfaces of the first plier head 12 and the second plier head 22 to avoid and store the plier body 34; the shearing mechanism 3 comprises a push block 31 arranged on the second caliper body 21, a positioning column 32 is arranged on the inner side of the push block 31 to limit the movement of the push block 31, the lower end of the positioning column 32 is positioned in the push block 31 and is internally provided with a second spring 38, one side of the push block 31 is positioned in the second caliper body 21 and is internally provided with a connecting rod 33, a first spring 35 is arranged on the outer diameter of the connecting rod 33 and is close to the push block 31, the push block 31 is convenient to reset, the connecting rod 33 pulls the cutter body 34 for storage, one end of the connecting rod 33, which is far away from the push block 31, is provided with the cutter body 34, a pressing plate 36 is arranged on;
the locking mechanism 4 comprises a lock catch 41 arranged on the inner walls of the first caliper body 11 and the second caliper body 21, a sliding groove is arranged on the inner side of the first caliper body 11, a sliding block 44 is arranged in the sliding groove, a fastening screw 43 penetrates through the sliding block 44, the position of the sliding block 44 is conveniently adjusted and fixed, a spring leaf 42 is arranged on the fastening screw 43, and a limiting column 45 is arranged at the lower end of the spring leaf 42.
Preferably: a groove body in which the connecting rod 33 and the knife body 34 slide is arranged on the inner side of the second caliper body 21, and the groove body is communicated with the avoidance groove 5 on the second caliper body 21, so that the connecting rod 33 can push the knife body 34 to slide out of the avoidance groove 5 for use, and the knife body 34 can be conveniently accommodated; the first caliper body 11 is slidably connected with the sliding block 44, the spring piece 42 is in an L shape, and the fastening screw 43 is in clearance connection with the spring piece 42, so that the position of the sliding block 44 can be fixed by rotating the fastening screw 43, the position of the spring piece 42 can be adjusted, and the internal supporting force of the first caliper body 1 and the second caliper body 2 during locking can be changed; the fastening screw 43 is in threaded connection with the sliding block 44, and the limiting column 45 is in sliding connection with the sliding block 44, so that the position of the spring piece 42 and the position of the sliding block 44 are fixed conveniently through the limiting column 45; the positioning column 32 is connected with the pushing block 31 in a sliding manner, a through hole matched with the positioning column 32 is formed in the second caliper body 21, and the diameter of the boss 37 is smaller than the inner diameter of the through hole, so that the positioning column 32 enters the through hole in the second caliper body 21 after the pushing block 31 slides to fix the position of the pushing block 3; the pressing plate 36 is rotatably connected with the second caliper body 21, and a pressure spring is arranged on the lower side of the pressing plate 36, so that the pressing plate 36 can press downwards, the boss 37 can move the positioning column 32 downwards, and the push block 31 can reset; the opposite surfaces of the first binding clip 12 and the second binding clip 22 are provided with clamping lines, so that the clamping stability of the first binding clip 12 and the second binding clip 22 is improved.
Example 2
As shown in fig. 4-9, a scissors type needle holder for burn and plastic surgery comprises a first holder body 1 and a second holder body 2 which are rotatably connected, a cutting mechanism 3 for cutting a line body is arranged on the second holder body 2, and a locking mechanism 4 for fixing the positions of the first holder body 1 and the second holder body 2 is arranged between the two holder bodies; the first plier body 1 comprises a first plier body 11, one end of the first plier body 11 is provided with a first plier head 12, the other end of the first plier body 11 is provided with a first plier handle 13, the second plier body 2 comprises a second plier body 21, one end of the second plier body 21 is provided with a second plier head 22, the other end of the second plier body 21 is provided with a second plier handle 23, and avoidance grooves 5 are symmetrically arranged on opposite surfaces of the first plier head 12 and the second plier head 22 to avoid and store the plier body 34; the shearing mechanism 3 comprises a push block 31 arranged on the second caliper body 21, a positioning column 32 is arranged on the inner side of the push block 31 to limit the movement of the push block 31, the lower end of the positioning column 32 is positioned in the push block 31 and is internally provided with a second spring 38, one side of the push block 31 is positioned in the second caliper body 21 and is internally provided with a connecting rod 33, a first spring 35 is arranged on the outer diameter of the connecting rod 33 and is close to the push block 31, the push block 31 is convenient to reset, the connecting rod 33 pulls the cutter body 34 for storage, one end of the connecting rod 33, which is far away from the push block 31, is provided with the cutter body 34, a pressing plate 36 is arranged on;
the locking mechanism 4 comprises a lock catch 41 arranged on the inner walls of the first caliper body 11 and the second caliper body 21, a sliding groove is arranged on the inner side of the first caliper body 11, a sliding block 44 is arranged in the sliding groove, a fastening screw 43 penetrates through the sliding block 44, the position of the sliding block 44 is conveniently adjusted and fixed, a spring leaf 42 is arranged on the fastening screw 43, and a limiting column 45 is arranged at the lower end of the spring leaf 42.
Preferably: a groove body in which the connecting rod 33 and the knife body 34 slide is arranged on the inner side of the second caliper body 21, and the groove body is communicated with the avoidance groove 5 on the second caliper body 21, so that the connecting rod 33 can push the knife body 34 to slide out of the avoidance groove 5 for use, and the knife body 34 can be conveniently accommodated; the first caliper body 11 is slidably connected with the sliding block 44, the spring piece 42 is in an L shape, and the fastening screw 43 is in clearance connection with the spring piece 42, so that the position of the sliding block 44 can be fixed by rotating the fastening screw 43, the position of the spring piece 42 can be adjusted, and the internal supporting force of the first caliper body 1 and the second caliper body 2 during locking can be changed; the fastening screw 43 is in threaded connection with the sliding block 44, and the limiting column 45 is in sliding connection with the sliding block 44, so that the position of the spring piece 42 and the position of the sliding block 44 are fixed conveniently through the limiting column 45; the positioning column 32 is connected with the pushing block 31 in a sliding manner, a through hole matched with the positioning column 32 is formed in the second caliper body 21, and the diameter of the boss 37 is smaller than the inner diameter of the through hole, so that the positioning column 32 enters the through hole in the second caliper body 21 after the pushing block 31 slides to fix the position of the pushing block 3; the pressing plate 36 is rotatably connected with the second caliper body 21, and a pressure spring is arranged on the lower side of the pressing plate 36, so that the pressing plate 36 can press downwards, the boss 37 can move the positioning column 32 downwards, and the push block 31 can reset; clamping lines are arranged on the opposite surfaces of the first binding clip 12 and the second binding clip 22, so that the clamping stability of the first binding clip 12 and the second binding clip 22 is improved; the first forceps handle 13 and the second forceps handle 23 are annular, anti-skid grains 6 are arranged on the inner side face of the annular shape, and stability of holding the first forceps handle 13 and the second forceps handle 23 by hands is improved.
The working principle and the using process of the invention are as follows: firstly, the position of the sliding block 44 on the first caliper body 11 is adjusted to enable the spring piece 42 to be in a proper position, the position of the sliding block 44 is fixed by rotating the fastening screw 43, the spring piece 42 is used for tightly supporting the first caliper body 1 and the second caliper body 2 when being locked, when trimming is needed, the connecting rod 33 is used for pushing the cutter body 34 by pushing the push block 31, the positioning column 32 is limited and fixed with the second caliper body 21 under the pushing of the second spring 38, the cutter body 34 can conveniently trim the line body by relative rotation of the first caliper body 1 and the second caliper body 2, and the push block 31 is reset under the action of the first spring 35 by pressing the press plate 36 after use.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.