CN209884435U - Lock catch type biological hip joint nail holder - Google Patents
Lock catch type biological hip joint nail holder Download PDFInfo
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- CN209884435U CN209884435U CN201920202275.1U CN201920202275U CN209884435U CN 209884435 U CN209884435 U CN 209884435U CN 201920202275 U CN201920202275 U CN 201920202275U CN 209884435 U CN209884435 U CN 209884435U
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- clamp body
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Abstract
The utility model discloses a lock catch type biological hip joint nail holder, which comprises a first upper clamp body, a second upper clamp body, a first lower clamp body, a second lower clamp body and a nail holding rod, the upper end of the first upper plier body is provided with a first jaw, the upper end of the second upper plier body is provided with a second jaw, the first jaw and the second jaw are both semicircular, the first jaw and the second jaw form a circle after being closed, the lower end of the first upper clamp body is connected with the upper end of the first lower clamp body through welding, the lower end of the second upper clamp body is connected with the upper end of the second lower clamp body by welding, the first lower clamp body and the second lower clamp body are rotationally connected with the nail holding rod, the first upper clamp body and the first lower clamp body form a first clamp body, the second upper clamp body and the second lower clamp body form a second clamp body, and the first clamp body and the second clamp body are matched for use; the nail holding rod is of an integrated structure and comprises a control rod and a handheld rod.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a latch type biological hip joint nail holder.
Background
In the medical clinic, a specific surgical instrument is often required to be used for operation for a specific operation. In the process of bone surgery, a nail holding device is often needed, and in the process of hip surgery, the nail holding device is one of important auxiliary appliances for the hip surgery, and the traditional nail holding device is in the form of a nail holding forceps. Application number is CN200920028529.9 discloses a medical nail pincers of holding, should hold nail pincers and keep silent the centre gripping nail through handle control, and when the centre gripping nail, doctor's finger need overlap on the handle, and the home range of finger receives the restriction, and the use is felt relatively poorly, is not suitable for long-time use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lock catch type biotype hip joint nail holder to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
a lock catch type biological hip joint nail holder comprises a first upper clamp body, a second upper clamp body, a first lower clamp body, a second lower clamp body and a nail holding rod, wherein a first jaw is arranged at the upper end of the first upper clamp body, a second jaw is arranged at the upper end of the second upper clamp body, the first jaw and the second jaw are semicircular in shape, the first jaw and the second jaw are closed to form a circle, the lower end of the first upper clamp body is connected with the upper end of the first lower clamp body through welding, the lower end of the second upper clamp body is connected with the upper end of the second lower clamp body through welding, the first lower clamp body and the second lower clamp body are rotatably connected with the nail holding rod, the first upper clamp body and the first lower clamp body form the first clamp body, the second upper clamp body and the second lower clamp body form the second clamp body, and the first clamp body and the second clamp body are matched for use; the nail holding rod is of an integrated structure and comprises a control rod and a handheld rod, a control assembly is arranged in the control rod and comprises a fixed block, a sliding rod, a movable block, a first connecting rod and a second connecting rod, the fixed block is fixed in the control rod through welding, a first through hole is formed in the fixed block, one end of the first connecting rod is rotatably connected with the first lower clamp body, the other end of the first connecting rod is rotatably connected with the upper end of the sliding rod, one end of the second connecting rod is rotatably connected with the second lower clamp body, the other end of the second connecting rod is rotatably connected with the upper end of the sliding rod, and the lower end of the sliding rod penetrates through the first through hole and is fixedly connected with the movable block; a sliding block is arranged outside the control rod, the sliding block penetrates through the control rod and is fixedly connected with a moving block, and a circular arc-shaped sunken part is arranged on the handheld rod.
In above-mentioned technical scheme, when the doctor used this nail holder, only need to move the sliding block up and down just can control the nail holder centre gripping nail or loosen the nail. When the sliding block is moved upwards, the sliding block is fixedly connected with the moving block, so that the sliding block moves upwards to drive the moving block to move upwards, the moving block is fixedly connected with the lower end of the sliding rod and drives the sliding rod to move upwards, one end of the first rotating rod and one end of the second rotating rod are rotatably connected with the sliding rod, the other end of the first rotating rod is rotatably connected with the first lower clamp body, the second rotating rod is rotatably connected with the second lower clamp body, the sliding rod drives the first rotating rod and the second rotating rod to rotate towards the two sides of the sliding rod respectively, namely the first rotating rod rotates towards the left side of the sliding rod, the second rotating rod rotates towards the right side of the sliding rod, and because the first lower clamp body and the second lower clamp body are rotationally connected with the nail holding rod, the first rotating rod rotates leftwards to drive the first clamp body to rotate leftwards, the second rotating rod rotates rightwards to drive the second clamp body to rotate rightwards, so that the first jaw and the second jaw are separated, and the nail holder can clamp nails; when the sliding block is moved downwards, the sliding block is fixedly connected with the moving block, so that the sliding block moves downwards to drive the moving block to move downwards, the moving block is fixedly connected with the lower end of the sliding rod, the moving block drives the sliding rod to move downwards, one end of a first rotating rod and one end of a second rotating rod are rotatably connected with the sliding rod, the other end of the first rotating rod is rotatably connected with a first lower clamp body, the second rotating rod is rotatably connected with a second lower clamp body, so that the sliding rod drives the first rotating rod and the second rotating rod to rotate respectively towards the direction close to the sliding rod, namely the first rotating rod rotates towards the right in the clockwise direction, the second rotating rod rotates towards the left in the anticlockwise direction, and because the first lower clamp body and the second lower clamp body are rotatably connected with the nail holding rod, the first rotating rod rotates towards the right to drive the first clamp body to rotate towards the right, the second rotating rod rotates towards the left to drive the second clamp body to rotate towards the, the nail holder can clamp nails; the surface of the control rod is provided with a sliding groove, so that the sliding block can move in the sliding groove conveniently; the arc-shaped concave part on the hand-held rod is convenient for being held by hands and is fit with the hand shape of a human body, so that a doctor can feel more comfortable when holding the nail holder by hands.
According to the preferable scheme, the lower ends of the first lower clamp body and the second lower clamp body are provided with connecting bulges, the upper end of the control rod is provided with a connecting groove, the connecting bulges are matched with the connecting groove for use, the connecting bulges are inserted into the connecting groove, and the connecting bulges are rotatably connected with the control rod through pin shafts.
Preferably, the first upper clamp body is bent, is bent upwards, and is convenient for a doctor to screw the nail into the hip joint from multiple angles when clamping the nail.
Preferably, the first lower tong body is provided with a first saw tooth on the inner side, the second lower tong body is provided with a second saw tooth on the inner side, the first saw tooth and the second saw tooth are matched for use, the first saw tooth and the second saw tooth enable the nail holder to clamp the nail more firmly, and the nail holder is prevented from being influenced by relative movement of the first lower tong body and the second lower tong body when clamping the nail.
Preferably, the upper surface of the sliding block is shaped like an inwardly concave arc, so that the sliding block can be conveniently slid upwards or downwards by a doctor using a thumb.
Preferably, the lower end of the hand-held rod is welded with a supporting block, and the supporting block provides supporting force for a hand when a doctor uses the nail holder, so that the hand is prevented from slipping, and the nail holder falls off from the hand.
Preferably, the first pincer body is bent at an inclination angle of 110 degrees.
Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, the hand-held rod is held by the palm, the thumb presses on the sliding block to control the sliding block to move, when the sliding block moves upwards, the first jaw and the second jaw are opened to clamp the nail, and when the sliding block moves downwards, the first jaw and the second jaw are closed to clamp the nail, when the nail holder is used, the range of the fingers is not restricted, the operation is simple, and even if the nail holder is used for a long time to hold the nail, the hand feeling is still comfortable; simultaneously the utility model has simple structure and small occupied space.
Drawings
FIG. 1 is a schematic view of the external structure of a latch-type biological type hip joint nail holder of the present invention;
FIG. 2 is a left side view of the latch-type biological type hip joint nail holder of the present invention;
FIG. 3 is a schematic view of the internal structure of the latch-type biological type hip joint nail holder of the present invention;
fig. 4 is an enlarged schematic view of the structure of the latch type biological type hip joint nail holder shown in fig. 3 at a position a;
fig. 5 is a schematic view of the connection structure between the sliding block and the moving block of the latch-type biological hip joint nail holder of the present invention.
In the figure: the clamp comprises 1-a supporting block, 2-a handheld rod, 3-a control rod, 4-a sliding block, 5-a second lower clamp body, 6-a first lower clamp body, 7-a second upper clamp body, 8-a first upper clamp body, 9-a first jaw, 10-a second jaw, 11-a connecting bulge, 12-a fixed block, 13-a moving block, 14-a first connecting rod, 15-a second connecting rod and 16-a sliding rod.
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.
Referring to fig. 1 to 5, in an embodiment of the present invention, a latch type biological hip joint nail holder includes a first upper clamp body 8, a second upper clamp body 7, a first lower clamp body 6, a second lower clamp body 5, and a nail holding rod, wherein a first jaw 9 is disposed at an upper end of the first upper clamp body 8, a second jaw 10 is disposed at an upper end of the second upper clamp body 7, the first jaw 9 and the second jaw 10 are both semi-circular, the first jaw 9 and the second jaw 10 are closed to form a circle, a lower end of the first upper clamp body 8 is connected to an upper end of the first lower clamp body 6 by welding, a lower end of the second upper clamp body 7 is connected to an upper end of the second lower clamp body 5 by welding, the first lower clamp body 6 and the second lower clamp body 5 are rotatably connected to the nail holding rod, the first upper clamp body 8 and the first lower clamp body 6 form the first clamp body, the second upper clamp body 7 and the second lower clamp body 5 form the first clamp body, the first clamp body and the second clamp body are matched for use; the nail holding rod is of an integrated structure and comprises a control rod 3 and a handheld rod 2, a control assembly is arranged in the control rod 3 and comprises a fixed block 12, a sliding rod 16, a moving block 13, a first connecting rod 14 and a second connecting rod 15, the fixed block 12 is fixed in the control rod 3 through welding, a first through hole is formed in the fixed block 12, one end of the first connecting rod 14 is rotatably connected with a first lower clamp body 6, the other end of the first connecting rod 14 is rotatably connected with the upper end of the sliding rod 16, one end of the second connecting rod 15 is rotatably connected with a second lower clamp body 5, the other end of the second connecting rod 15 is rotatably connected with the upper end of the sliding rod 16, and the lower end of the sliding rod 16 penetrates through the first through hole to be fixedly connected with the moving block 13; a sliding block 4 is arranged outside the control rod 3, the sliding block 4 penetrates through the control rod 3 and is fixedly connected with a moving block 13, and a circular arc-shaped concave part is arranged on the handheld rod 2.
In above-mentioned technical scheme, when the doctor used this nail holder, only need to move up and down sliding block 4 just can control the nail holder centre gripping nail or loosen the nail. When the sliding block 4 is moved upwards, the sliding block 4 is fixedly connected with the moving block 13, so that the moving block 13 is driven to move upwards by the upward movement of the sliding block 4, the moving block 13 is fixedly connected with the lower end of the sliding rod 16, the sliding block 13 drives the sliding rod 16 to move upwards, one end of the first rotating rod and one end of the second rotating rod are rotatably connected with the sliding rod 16, the other end of the first rotating rod is rotatably connected with the first lower clamp body 6, the second rotating rod is rotatably connected with the second lower clamp body 5, so that the sliding rod 16 drives the first rotating rod and the second rotating rod to rotate towards the two sides of the sliding rod 16 respectively, namely the first rotating rod rotates towards the left side of the sliding rod 16, the second rotating rod rotates towards the right side of the sliding rod 16, and because the first lower clamp body 6 and the second lower clamp body 5 are rotatably connected with the nail holding rod, the first rotating rod rotates towards the left side to drive the first clamp body to rotate towards the left, the second rotating rod rotates towards the right side to drive, so that the nail holder can clamp the nail; when the sliding block 4 is moved downwards, the sliding block 4 is fixedly connected with the moving block 13, so that the downward movement of the sliding block 4 drives the moving block 13 to move downwards, the moving block 13 is fixedly connected with the lower end of the sliding rod 16, the moving block 13 drives the sliding rod 16 to move downwards, one end of the first rotating rod and one end of the second rotating rod are rotatably connected with the sliding rod 16, the other end of the first rotating rod is rotatably connected with the first lower clamp body 6, the second rotating rod is rotatably connected with the second lower clamp body 5, so that the sliding rod 16 drives the first rotating rod and the second rotating rod to rotate respectively in the direction close to the sliding rod 16, namely the first rotating rod rotates rightwards in a clockwise direction, the second rotating rod rotates leftwards in an anticlockwise direction, and because the first lower clamp body 6 and the second lower clamp body 5 are rotatably connected with the nail holding rod, the first rotating rod rotates rightwards to drive the first clamp body to rotate rightwards, and the second rotating rod rotates leftwards to drive the second clamp, so that the first jaw 9 and the second jaw 10 are closed, the nail holder being able to clamp a nail; a sliding groove is formed in the surface of the control rod 3, so that the sliding block 4 can move in the sliding groove conveniently; the arc-shaped concave part on the handheld rod 2 is convenient for being held by hands and is fit with the hand shape of a human body, so that a doctor feels more comfortable when holding the nail holder.
The lower end of the first lower clamp body 6 and the lower end of the second lower clamp body 5 are provided with connecting protrusions 11, the upper end of the control rod 3 is provided with a connecting groove, the connecting protrusions 11 are matched with the connecting groove, the connecting protrusions 11 are inserted into the connecting groove, and the connecting protrusions 11 are rotatably connected with the control rod 3 through pin shafts.
The first upper clamp body 8 is in a bent shape, the first upper clamp body 8 is bent upwards, and the first upper clamp body 8 is bent upwards, so that a doctor can conveniently screw nails into hip joints from multiple angles when clamping the nails.
The inboard of the first pincers body 6 is provided with first sawtooth, the inboard of the second pincers body 5 is provided with the second sawtooth, first sawtooth and second sawtooth cooperation are used, and first sawtooth and second sawtooth make this nail holder centre gripping more firm when the centre gripping nail, prevent when the centre gripping nail, the first pincers body 6, the second pincers body 5 takes place relative movement down, influence this nail holder centre gripping nail's stability.
The shape of the upper surface of the sliding block 4 is an inward concave arc shape, so that a doctor can slide the sliding block 4 upwards or downwards by using a thumb conveniently.
The lower extreme welding of handheld pole 2 has supporting shoe 1, and supporting shoe 1 supplies the holding power for the hand when the doctor uses the nail holder, prevents that the hand from sliding, leads to the nail holder to drop from the hand.
The inclination angle of the bending of the first clamp body is 110 degrees.
The utility model discloses a theory of operation is: when the nail holder is used, a hand holding rod 2 is held by a palm, a thumb is pressed on the sliding block 4, the sliding block 4 is moved upwards, the first forceps body and the second forceps body are opened, the first forceps body 9 and the second forceps body 10 are opened to clamp nails, the sliding block 4 is moved downwards, the first forceps body and the second forceps body are closed, and the first forceps body 9 and the second forceps body 10 are closed to clamp the nails.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a lock catch type biotype hip joint nail holder which characterized in that: the nail holder comprises a first upper clamp body (8), a second upper clamp body (7), a first lower clamp body (6), a second lower clamp body (5) and a nail holding rod, wherein a first jaw (9) is arranged at the upper end of the first upper clamp body (8), a second jaw (10) is arranged at the upper end of the second upper clamp body (7), the first jaw (9) and the second jaw (10) are semicircular in shape, the first jaw (9) and the second jaw (10) are closed to form a circle, the lower end of the first upper clamp body (8) is connected with the upper end of the first lower clamp body (6) through welding, the lower end of the second upper clamp body (7) is connected with the upper end of the second lower clamp body (5) through welding, the first lower clamp body (6) and the second lower clamp body (5) are rotatably connected with the nail holding rod, and the first upper clamp body (8) and the first lower clamp body (6) form the first upper clamp body, the second upper clamp body (7) and the second lower clamp body (5) form a second clamp body, and the first clamp body and the second clamp body are matched for use; the nail holding rod is of an integrated structure and comprises a control rod (3) and a hand holding rod (2), a control component is arranged in the control rod (3), the control component comprises a fixed block (12), a slide rod (16), a moving block (13), a first connecting rod (14) and a second connecting rod (15), the fixed block (12) is fixed in the control rod (3) by welding, a first through hole is arranged on the fixed block (12), one end of the first connecting rod (14) is rotationally connected with the first lower clamp body (6), the other end of the first connecting rod (14) is rotationally connected with the upper end of the sliding rod (16), one end of the second connecting rod (15) is rotationally connected with the second lower clamp body (5), the other end of the second connecting rod (15) is rotationally connected with the upper end of the sliding rod (16), the lower end of the sliding rod (16) passes through the first through hole and is fixedly connected with the moving block (13); a sliding block (4) is arranged outside the control rod (3), the sliding block (4) penetrates through the control rod (3) to be fixedly connected with a moving block (13), and a circular arc-shaped concave part is arranged on the handheld rod (2).
2. The latch-type biotype hip nail holder according to claim 1, characterized in that: the lower end of the first lower clamp body (6) and the lower end of the second lower clamp body (5) are provided with connecting protrusions (11), the upper end of the control rod (3) is provided with a connecting groove, and the connecting protrusions (11) are matched with the connecting groove for use.
3. The latch-type biotype hip nail holder according to claim 2, characterized in that: the first upper clamp body (8) is in a bent shape, and the first upper clamp body (8) is bent upwards.
4. The latch-type biotype hip nail holder according to claim 3, characterized in that: the inner side of the first lower clamp body (6) is provided with first sawteeth, the inner side of the second lower clamp body (5) is provided with second sawteeth, and the first sawteeth and the second sawteeth are matched for use.
5. The latch-type biotype hip nail holder according to claim 4, characterized in that: the upper surface of the sliding block (4) is shaped like an inward concave arc.
6. The latch-type biotype hip nail holder according to claim 5, characterized in that: the lower end of the handheld rod (2) is welded with a supporting block (1).
7. The latch-type biotype hip nail holder according to claim 6, characterized in that: the bending inclination angle of the first upper clamp body (8) is 110 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920202275.1U CN209884435U (en) | 2019-02-15 | 2019-02-15 | Lock catch type biological hip joint nail holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920202275.1U CN209884435U (en) | 2019-02-15 | 2019-02-15 | Lock catch type biological hip joint nail holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209884435U true CN209884435U (en) | 2020-01-03 |
Family
ID=69016460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920202275.1U Active CN209884435U (en) | 2019-02-15 | 2019-02-15 | Lock catch type biological hip joint nail holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209884435U (en) |
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2019
- 2019-02-15 CN CN201920202275.1U patent/CN209884435U/en active Active
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