CN214128754U - Novel Kirschner wire bending device - Google Patents
Novel Kirschner wire bending device Download PDFInfo
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- CN214128754U CN214128754U CN202023014902.0U CN202023014902U CN214128754U CN 214128754 U CN214128754 U CN 214128754U CN 202023014902 U CN202023014902 U CN 202023014902U CN 214128754 U CN214128754 U CN 214128754U
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Abstract
The utility model relates to the technical field of instruments, in particular to a novel Kirschner wire bender, which comprises a first clamp handle, a second clamp handle and a third clamp handle, wherein the first clamp handle and the second clamp handle are hinged in a crossed manner through a hinged shaft; the front ends of the first and second forceps handles are respectively and fixedly provided with a first forceps head and a second forceps head; the first and second clamp heads are clamped to form two cylindrical clamp jaws with different diameters; a fixed loop bar is vertically arranged on the outer wall of the second forceps handle, one end of the fixed loop bar is fixedly connected at the hinge joint of the second forceps handle, the other end of the fixed loop bar is arranged towards the direction far away from the second forceps handle, and the outer wall of the tail section is provided with external threads; bolts are arranged at the tail sections corresponding to the fixed loop bars in a matching manner; the third clamp handle comprises a handle, a rotary connecting part, a connecting rod, a second bolt and a sleeve. This novel device can realize as the setpoint when first, two pincers handle centre gripping ke shi needles, and when the third pincers handle was bent ke shi needle, the stress can obtain the support of setpoint, prevents that power stress direct action from the sclerotin, easily causes the problem that the fracture shifted once more.
Description
Technical Field
The utility model relates to the technical field of instruments, especially, relate to a novel kirschner wire bending machine.
Background
Clinical kirschner wires are commonly used for fixing children fracture or tiny fracture blocks, the tail end of the kirschner wires is required to be bent and treated finally, common bending tools are nipper pliers or metal sleeves, and the clinical kirschner wires are not enough in practical use: 1. because one side close to the sclerotin is lack of support in the bending process, the stress during bending directly acts on the sclerotin, the fracture is easy to displace again, and particularly, the tiny bone block is easy to displace; 2. the stress during bending directly acts on the bone and is easy to directly cause the displacement of the Kirschner wire.
In order to solve this problem, no practical instrument has been found to solve the above problems, and therefore, it is very urgent to design a kirschner wire bender capable of solving the above problems.
Disclosure of Invention
An object of the utility model is to provide a novel kirschner wire bender, structural design is ingenious, has given a setpoint when can realizing through first pincers handle and second pincers handle clamp kirschner wire, and the other pincers handle of the kirschner wire of buckling plays the kirschner wire effect of bending, and when the kirschner wire of bending, the stress can obtain the support of setpoint, prevents that the stress direct action from the sclerotin, easily causes the problem that the fracture shifted once more.
In order to achieve the above object, the utility model discloses a technical scheme be:
a novel Kirschner wire bender comprises a first clamp handle, a second clamp handle and a third clamp handle, wherein the first clamp handle and the second clamp handle are hinged in a crossed manner through a hinge shaft; the front ends of the first forceps handle and the second forceps handle are respectively and fixedly provided with a first forceps head and a second forceps head; the first tong head and the second tong head are clamped to form two cylindrical tongs mouths with different diameters;
a fixed loop bar is vertically arranged on the outer wall of the second forceps handle, one end of the fixed loop bar is fixedly connected at the hinge joint of the second forceps handle, the other end of the fixed loop bar is arranged towards the direction far away from the second forceps handle, and the outer wall of the tail section is provided with external threads; bolts are arranged at the tail sections corresponding to the fixed loop bars in a matching manner;
the third clamp handle comprises a handle, a rotary connecting part, a connecting rod, a second bolt and a sleeve;
the rotary connecting part is cylindrical, and the hollow part is sleeved in the fixed sleeve rod; the outer wall of the rotary connecting part is fixedly connected with a handle and a connecting rod respectively, and the handle and the connecting rod are oppositely arranged on the cylindrical outer wall; the connecting rod is divided into two sections, namely a first section connecting rod and a second section connecting rod, and the diameter of the first section connecting rod is larger than that of the second section connecting rod; the tail end of the first section of connecting rod is connected with the outer wall of the rotating connecting part, and the other end of the first section of connecting rod is connected with the tail end of the second section of connecting rod; the front end section of the second section of connecting rod is provided with a thread; the sleeve is sleeved on the second section of connecting rod and is fixed on the connecting rod through the screw connection of the second bolt and the second section of connecting rod; two concave ring grooves are arranged along the peripheral wall of the sleeve, and the concave ring grooves are coaxial with the sleeve; when the sleeve is fixed on the connecting rod, the two concave ring grooves are respectively flush with the two jaws; the height of the rotary connecting part is larger than the diameter of the sleeve, and the handle is pushed leftwards and rightwards to realize that the third clamp handle rotates in the opening and closing direction which is relatively parallel to the first clamp handle and the second clamp handle.
Further, the middle lower end of the first forceps handle is provided with hanging teeth which are consistent with the opening and closing directions of the forceps handles, and the second forceps handle is provided with hook teeth which are engaged with the hanging teeth.
Further, the diameters of the two jaws are 1mm and 2mm respectively.
Further, the vertical sections of the two concave ring grooves are semicircular, and the diameters of the two concave ring grooves are 1mm and 2mm respectively.
Further, the handle sleeves of the first forceps handle, the second forceps handle and the third forceps handle are provided with anti-slip plastic sleeves.
Further, the thickness of the first clamp handle and the second clamp handle is 1-2 cm.
Further, the sleeve is fixed on the second section of connecting rod and can rotate; the diameter of the barrel core of the sleeve is smaller than that of the first section of the connecting rod.
Further, the sleeve is made of stainless steel.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model has the advantages that the structural design scheme is original, the concept is ingenious, a positioning point is provided when the Kirschner wire is clamped through the first forceps handle and the second forceps handle, the other forceps handle of the bent Kirschner wire plays a role in bending the Kirschner wire, when the Kirschner wire is bent, the stress can be supported by the positioning point, and the problem that the stress directly acts on the bone and the fracture is easy to shift again is prevented; and the sleeve of third pincers handle can also be dismantled, convenient change, because at the ke shi needle of bending many times, the easy damage is exactly this sleeve, designs to dismantle the change, avoids the extravagant condition of later maintenance equipment need whole changes to cause. The utility model discloses be fit for clinical use, the practicality is high, easily promotes.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a schematic structural view of a third forceps handle of the present invention.
Fig. 4 is a partial structural schematic view of a third forceps handle of the present invention.
Fig. 5 is a schematic structural view of the sleeve of the present invention.
In the figure, 1-a first forceps handle, 2-a second forceps handle, 3-a third forceps handle, 4-a jaw, 5-a bolt, 6-a fixed loop bar, 7-a hook tooth, 8-a hanging tooth, 31-a handle, 32-a rotating connecting part, 33-a connecting rod, 34-a sleeve, 35-a second bolt, 331-a first section connecting rod, 332-a second section connecting rod, 333-a thread, 341-a first concave ring groove and 342-a second concave ring groove.
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is said to be "coupled" to another component, it may be directly coupled to the other component or intervening components may be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example (b):
the utility model provides a better implementation mode of the novel Kirschner wire bender, which comprises a first clamp handle 1, a second clamp handle 2 and a third clamp handle 3, wherein the first clamp handle 1 and the second clamp handle 2 are hinged in a crossed manner through a hinge shaft; the thickness of the first forceps handle 1 and the second forceps handle 2 is 1-2 cm. The front ends of the first forceps handle 1 and the second forceps handle 2 are respectively and fixedly provided with a first forceps head and a second forceps head (the first forceps handle 1 and the second forceps handle 2 both comprise handles and forceps heads); the first tong head and the second tong head are clamped to form two cylindrical tongs mouths 4 with different diameters; the two jaws 4 have a diameter of 1mm and 2mm, respectively, and since the commonly used kirschner wires have a diameter of these two types, the jaws 4 are designed to be of these two types. The two jaws 4 are grooves of two semi-cylinders on the first tong head and the second tong head, and when the first tong head and the second tong head are closed, a complete cylinder is formed; the groove of the semi-cylinder is the same as the existing binding clip, and the surface of the semi-cylinder is designed with a plurality of sawtooth-shaped tooth openings, so that the Kirschner wire can be clamped more stably; designing two jaws 4 of different diameters can satisfy two different types of kirschner wires in different daily medical treatments.
A fixed loop bar 6 is vertically arranged on the outer wall of the second forceps handle 2, the length direction of the fixed loop bar 6 is parallel to the height direction of the cylindrical forceps mouth 4, one end of the fixed loop bar 6 is fixedly connected to the hinge joint of the second forceps handle 2, the other end of the fixed loop bar is arranged in the direction far away from the second forceps handle 2, and the outer wall of the tail section of the fixed loop bar 6 is provided with an external thread; the corresponding tail section of the fixed loop bar 6 is provided with a bolt 5 in a matching way;
the third clamp handle 3 comprises a handle 31, a rotary connecting part 32, a connecting rod 33, a second bolt 35 and a sleeve 34;
the rotary connecting part 32 is cylindrical, and a hollow part is sleeved in the fixed loop bar 6; the outer wall of the rotating connecting part 32 is fixedly connected with a handle 31 and a connecting rod 33 respectively, and the handle 31 and the connecting rod 33 are oppositely arranged on the cylindrical outer wall; the connecting rod 33 is divided into two sections, namely a first section connecting rod 331 and a second section connecting rod 332, wherein the diameter of the first section connecting rod 331 is larger than that of the second section connecting rod 332; the tail end of the first section of connecting rod 331 is connected with the outer wall of the rotary connecting part 32, and the other end is connected with the tail end of the second section of connecting rod 332; the front end section of the second-segment connecting rod 332 is provided with threads 333; the sleeve 34 is sleeved on the second section of connecting rod 332, and the sleeve 34 is fixed on the connecting rod 33 through the screw connection of the second bolt 35 and the second section of connecting rod 332; the diameter of the cylinder core of the sleeve 34 is smaller than that of the first section connecting rod 331; two concave ring grooves are arranged along the outer peripheral wall of the sleeve 34, and the concave ring grooves are coaxial with the sleeve 34; when the sleeve 34 is fixed on the connecting rod 33, the two concave ring grooves are respectively aligned with the two jaws 4; the vertical sections of the two concave ring grooves are semicircular, the diameters of the first concave ring groove 341 and the second concave ring groove 342 are respectively 1Mm and 2Mm, the design of the sizes is respectively corresponding to the jaws 4 with different diameters, the types of clamped Kirschner wires can be matched, and the bending operation can be better carried out; the height of the rotating connecting part 32 is larger than the diameter of the sleeve 34, the rotating connecting part 32 can be detached from the fixed loop bar 6, if the third clamp handle 33 is in a problem, the whole part of the Kirschner wire bender can be replaced conveniently, and the handle 31 is pushed leftwards and rightwards to realize that the third clamp handle 3 rotates (rotates 360 degrees) in the opening and closing direction which is relatively parallel to the first clamp handle 1 and the second clamp handle 2; the sleeve 34 is fixed to the connecting rod 33 and can rotate around the cylinder center. The material of the sleeve 34 is made of stainless steel material.
The middle lower end of the first forceps handle 1 is provided with a hanging tooth 8 which is consistent with the opening and closing direction of the forceps handle, and the second forceps handle 2 is provided with a hook tooth 7 which is meshed with the hanging tooth 8. The design can ensure that the relative position between the first clamp handle 11 and the second clamp handle 22 is fixed, and the third clamp handle 33 can be operated more conveniently to rotate the bending kirschner wire. When the first forceps handle 11 and the second forceps handle 22 are clamped and the kirschner wire is clamped and fixed by the forceps opening 4, then the meshing position of the hanging teeth 8 and the hook teeth 7 is fixed, so that the relative position of the first forceps handle 11 and the second forceps handle 22 is fixed, the direction of the kirschner wire to be bent is adjusted, the position where the first forceps handle 11 and the second forceps handle 22 are clamped is properly adjusted, one hand is used for pressing, the other hand is used for rotating the third forceps handle 3 to bend the kirschner wire.
The handles 31 of the first forceps handle 1, the second forceps handle 2 and the third forceps handle 3 are sleeved with an anti-slip plastic sleeve. Such a design can cause problems of slippage between the hand and the handle 31 during operation, which could cause the bone to be displaced again.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (8)
1. The utility model provides a novel ke shi needle bending machine which characterized in that: the clamp comprises a first clamp handle, a second clamp handle and a third clamp handle, wherein the first clamp handle and the second clamp handle are hinged in a cross mode through a hinge shaft; the front ends of the first forceps handle and the second forceps handle are respectively and fixedly provided with a first forceps head and a second forceps head; the first tong head and the second tong head are clamped to form two cylindrical tongs mouths with different diameters;
a fixed loop bar is vertically arranged on the outer wall of the second forceps handle, one end of the fixed loop bar is fixedly connected at the hinge joint of the second forceps handle, the other end of the fixed loop bar is arranged towards the direction far away from the second forceps handle, and the outer wall of the tail section is provided with external threads; bolts are arranged at the tail sections corresponding to the fixed loop bars in a matching manner;
the third clamp handle comprises a handle, a rotary connecting part, a connecting rod, a second bolt and a sleeve;
the rotary connecting part is cylindrical, and the hollow part is sleeved in the fixed sleeve rod; the outer wall of the rotary connecting part is fixedly connected with a handle and a connecting rod respectively, and the handle and the connecting rod are oppositely arranged on the cylindrical outer wall; the connecting rod is divided into two sections, namely a first section connecting rod and a second section connecting rod, and the diameter of the first section connecting rod is larger than that of the second section connecting rod; the tail end of the first section of connecting rod is connected with the outer wall of the rotating connecting part, and the other end of the first section of connecting rod is connected with the tail end of the second section of connecting rod; the front end section of the second section of connecting rod is provided with a thread; the sleeve is sleeved on the second section of connecting rod and is fixed on the connecting rod through the screw connection of the second bolt and the second section of connecting rod; two concave ring grooves are arranged along the peripheral wall of the sleeve, and the concave ring grooves are coaxial with the sleeve; when the sleeve is fixed on the connecting rod, the two concave ring grooves are respectively flush with the two jaws; the height of the rotary connecting part is larger than the diameter of the sleeve, and the handle is pushed leftwards and rightwards to realize that the third clamp handle rotates in the opening and closing direction which is relatively parallel to the first clamp handle and the second clamp handle.
2. The novel k-wire bender as claimed in claim 1, wherein: the middle lower end of the first forceps handle is provided with a hanging tooth which is consistent with the opening and closing direction of the forceps handle, and the second forceps handle is provided with a hook tooth which is meshed with the hanging tooth.
3. The novel k-wire bender as claimed in claim 1, wherein: the diameters of the two jaws are 1mm and 2mm respectively.
4. The novel k-wire bender as claimed in claim 1, wherein: the vertical sections of the two concave ring grooves are semicircular, and the diameters of the two concave ring grooves are 1mm and 2mm respectively.
5. The novel k-wire bender as claimed in claim 1, wherein: and the handle sleeves of the first forceps handle, the second forceps handle and the third forceps handle are provided with anti-skid plastic sleeves.
6. The novel k-wire bender as claimed in claim 1, wherein: the thickness of the first forceps handle and the second forceps handle is 1-2 cm.
7. The novel k-wire bender as claimed in claim 1, wherein: the sleeve is fixed on the second section of connecting rod and can rotate; the diameter of the barrel core of the sleeve is smaller than that of the first section of the connecting rod.
8. The novel k-wire bender as claimed in claim 1, wherein: the sleeve is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023014902.0U CN214128754U (en) | 2020-12-14 | 2020-12-14 | Novel Kirschner wire bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023014902.0U CN214128754U (en) | 2020-12-14 | 2020-12-14 | Novel Kirschner wire bending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214128754U true CN214128754U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023014902.0U Active CN214128754U (en) | 2020-12-14 | 2020-12-14 | Novel Kirschner wire bending device |
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| Country | Link |
|---|---|
| CN (1) | CN214128754U (en) |
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- 2020-12-14 CN CN202023014902.0U patent/CN214128754U/en active Active
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