CN215503336U - Bone holding forceps for orthopedic surgery - Google Patents
Bone holding forceps for orthopedic surgery Download PDFInfo
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- CN215503336U CN215503336U CN202120653112.2U CN202120653112U CN215503336U CN 215503336 U CN215503336 U CN 215503336U CN 202120653112 U CN202120653112 U CN 202120653112U CN 215503336 U CN215503336 U CN 215503336U
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Abstract
A bone holding forceps for orthopedic surgery comprises a bone holding forceps body, wherein the bone holding forceps body comprises two jaw front parts, an upper forceps body and a lower forceps body; the two adjusting and fixing mechanisms are respectively arranged on the upper clamp body, the lower clamp body and the front parts of the two jaws; the pin is fixedly arranged on the upper clamp body and is rotationally connected with the lower clamp body; the through hole is formed in the pin; the two first pulleys are respectively and fixedly arranged at the front ends of the upper clamp body and the lower clamp body; and the two second pulleys are fixedly arranged on the upper clamp body and the lower clamp body respectively. The bone holding forceps for orthopedic surgery provided by the utility model has the advantages that the angle of the forceps body can be fixed after being bent, the operation is not influenced, and the forceps body has a rebounding function.
Description
Technical Field
The utility model relates to the technical field of orthopedic surgery, in particular to a bone holding forceps for orthopedic surgery.
Background
The bone holding forceps is a medical instrument for holding bone in orthopedic operation and playing the role of fixation and reduction. The combined pliers are generally composed of pliers handles, pliers heads and gill shaft screws, wherein teeth are arranged on the inner surfaces of the pliers heads, and a locking device can be arranged between the pliers handles and is generally made of stainless steel materials.
Through retrieval, the adjustable bone-holding reduction forceps with the publication number of CN108186104A structurally comprises an upper forceps body and a lower forceps body, wherein the forceps bodies are connected with the front parts of jaws through hinge joints, forceps mouths are connected with blocking pieces through screws, a gasket is arranged between the forceps mouths and the blocking pieces and is matched with the blocking pieces for use, and two longitudinal sliding grooves are arranged in the middle parts of the blocking pieces and correspond to screw holes of the forceps mouths. Although the position of the separation blade needing to be adjusted is determined according to the wide band of the steel plate to be implanted before the reduction, the upper and lower clamp bodies are gradually pressed and closed in the reduction process, the position is maintained by the engagement of the upper and lower clamp bodies with the rack, and the clamp bodies are bent towards the side after the reduction is satisfactory, so that the internal fixing operation is not influenced.
However, after the forceps body is bent towards the side, the front part of the jaw is not fixed with the upper forceps body and the lower forceps body, so that the upper forceps body and the lower forceps body are easy to swing left and right during surgery, and the surgery operation is affected; and the device relies on upper and lower pincers body interlock rack to maintain the position, when needing to take off the rongeur, the upper pincers body can't in time kick-back with lower pincers body, and the operation is comparatively inconvenient.
Therefore, there is a need to provide a new bone holding forceps for orthopedic surgery to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bone holding forceps for orthopedic surgery, which can fix the angle of a forceps body after being bent, does not influence the operation and has the function of rebounding the forceps body.
In order to solve the above technical problems, the present invention provides a bone holding forceps for orthopedic surgery, comprising: the bone holding forceps comprise a bone holding forceps body, wherein the bone holding forceps body comprises two jaw front parts, an upper forceps body and a lower forceps body; the two adjusting and fixing mechanisms are respectively arranged on the upper clamp body, the lower clamp body and the front parts of the two jaws; the pin is fixedly arranged on the upper clamp body and is rotationally connected with the lower clamp body; the through hole is formed in the pin; the two first pulleys are respectively and fixedly arranged at the front ends of the upper clamp body and the lower clamp body; the two second pulleys are fixedly arranged on the upper clamp body and the lower clamp body respectively; two ends of the two steel wires are respectively arranged on the two adjusting and fixing mechanisms, the two steel wires respectively correspond to the two first pulleys and the two second pulleys, and the two steel wires both penetrate through the through hole in a sliding manner; and the resetting adjusting mechanism is arranged on the upper clamp body and the lower clamp body.
Preferably, the adjusting and fixing mechanism comprises a winch, a rotating opening, a groove, a plurality of pin holes, a pin rod, a limiting ring, a first spring, a binding ring and two hinge joints, the winch is fixedly arranged at the front end of the lower clamp body, the rotating opening is arranged at the rear end of the front part of the jaw, the rotating opening is matched with the winch, the groove is arranged on the inner wall of one side of the rotating opening, the pin holes are arranged on the winch, the pin rod is slidably arranged in the groove, the pin rod is matched with the pin holes, one end of the pin rod, which is far away from the winch, extends out of the front part of the jaw, the limiting ring is fixedly sleeved on the pin rod and is slidably connected with the inner wall of the groove, the first spring is slidably sleeved on the pin rod and is positioned in the groove, the binding ring is fixedly arranged at the bottom end of the pin rod, the two hinge joints are respectively fixedly arranged on two sides of the winch and are respectively and rotatably connected with the inner walls of two sides of the rotating opening.
Preferably, the reset adjusting mechanism comprises a threaded rod, a second spring and a nut, the threaded rod is hinged to the lower clamp body and movably penetrates through the upper clamp body, the second spring is slidably sleeved on the threaded rod and located between the upper clamp body and the lower clamp body, and the nut is installed on the threaded rod and located at the top of the upper clamp body in a threaded manner.
Preferably, the two steel wires are fixedly provided with the same loop bar, and the loop bar is positioned between the two second pulleys.
Preferably, a rectangular opening is formed in the upper clamp body, the rectangular opening is movably connected with the threaded rod, and the diameter of the rectangular opening is smaller than the diameters of the second spring and the nut.
Preferably, two anti-falling wire grooves are formed in the first pulley and the second pulley, and the anti-falling wire grooves are matched with the steel wires.
Compared with the related art, the bone holding forceps for the orthopedic surgery provided by the utility model has the following beneficial effects:
the utility model provides a bone holding forceps for orthopedic surgery, which is convenient for bone holding surgery of people through a bone holding forceps body consisting of two forceps jaw front parts, an upper forceps body and a lower forceps body, a pin is used for positioning and connecting the upper forceps body and the lower forceps body, a through hole is convenient for installing a steel wire, the steel wires on a first pulley and a second pulley are used as main driving parts, the positions of the upper forceps body and the lower forceps body can be adjusted and fixed by adjusting the fixing mechanism, so that the upper forceps body and the lower forceps body can not swing left and right to influence the operation, the bone holding forceps body can be more conveniently taken down through the rebound of the second spring in the resetting adjusting mechanism, the loop bar can prevent fingers from being hurt by the steel wire when a user pulls the steel wire, and the fingers are easy to bear force, the threaded rod can swing left and right through the rectangular opening on the upper clamp body, so that the nut can move up and down to be prevented from being clamped, the steel wire can be prevented from being off-line through the anti-off line grooves in the two first pulleys and the two second pulleys.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a bone holding forceps for orthopedic surgery according to the present invention;
FIG. 2 is a schematic top view of the winch of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1;
FIG. 4 is an enlarged schematic view of portion B of FIG. 1;
fig. 5 is an enlarged schematic structural view of a portion C of fig. 1.
Reference numbers in the figures: 1. a bone holding forceps body; 2. a front portion of the jaw; 3. an upper clamp body; 4. a lower clamp body; 5. a winch; 6. rotating the opening; 7. a groove; 8. a pin hole; 9. a pin rod; 10. a limiting ring; 11. a first spring; 12. binding rings; 13. a hinge joint; 14. a pin; 15. a through hole; 16. a first pulley; 17. a second pulley; 18. a steel wire; 19. a loop bar; 20. a threaded rod; 21. a second spring; 22. and a nut.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of an orthopedic forceps provided in the present invention; FIG. 2 is a schematic top view of the winch of FIG. 1; FIG. 3 is an enlarged schematic view of portion A of FIG. 1; fig. 4 is an enlarged structural view of a portion B of fig. 1, and fig. 5 is an enlarged structural view of a portion C of fig. 1. Bone holding forceps for orthopedic surgery includes: the bone holding forceps comprise a bone holding forceps body 1, wherein the bone holding forceps body 1 comprises two jaw front parts 2, an upper forceps body 3 and a lower forceps body 4; the two adjusting and fixing mechanisms are respectively arranged on the upper clamp body 3, the lower clamp body 4 and the two front jaw parts 2; the pin 14, the upper caliper body 3 is fixedly installed on the pin 14, and the pin 14 is rotatably connected with the lower caliper body 4; a through hole 15, wherein the through hole 15 is formed in the pin 14; the two first pulleys 16 are respectively and fixedly arranged at the front ends of the upper tong body 3 and the lower tong body 4; the two second pulleys 17 are fixedly arranged on the upper clamp body 3 and the lower clamp body 4 respectively; two ends of the two steel wires 18 are respectively arranged on the two adjusting and fixing mechanisms, the two steel wires 18 respectively correspond to the two first pulleys 16 and the two second pulleys 17, and the two steel wires 18 both penetrate through the through hole 15 in a sliding manner; the bone-holding forceps comprise an upper forceps body 3 and a lower forceps body 4, a bone-holding forceps body 1 consisting of two forceps jaw front portions 2, the upper forceps body 3 and the lower forceps body 4 is convenient for people to carry out bone-holding operations, a pin 14 is used for positioning and connecting the upper forceps body 3 and the lower forceps body 4, a steel wire 18 is convenient to install through holes 15, and the steel wire 18 on a first pulley 16 and a second pulley 17 serves as a main driving piece.
The adjusting and fixing mechanism comprises a winch 5, a rotating opening 6, a groove 7, a plurality of pin holes 8, a pin rod 9, a limiting ring 10, a first spring 11, a binding ring 12 and two hinge joints 13, the winch 5 is fixedly installed at the front end of the lower plier body 4, the rotating opening 6 is arranged at the rear end of the front part 2 of the plier jaw, the rotating opening 6 is matched with the winch 5, the groove 7 is arranged on the inner wall of one side of the rotating opening 6, the pin holes 8 are arranged on the winch 5, the pin rod 9 is slidably installed in the groove 7, the pin rod 9 is matched with the pin holes 8, one end of the pin rod 9, far away from the winch 5, extends out of the front part 2, the limiting ring 10 is fixedly sleeved on the pin rod 9 and is slidably connected with the inner wall of the groove 7, the first spring 11 is slidably sleeved on the pin rod 9 and is positioned in the groove 7, the binding rings 12 are fixedly arranged at the bottom ends of the pin rods 9, the two hinge joints 13 are respectively and fixedly arranged at two sides of the winch 5 and are respectively and rotatably connected with the inner walls of two sides of the rotating opening 6, and the positions of the upper forceps body 3 and the lower forceps body 4 can be adjusted and fixed by adjusting the fixing mechanism, so that the left and right swinging of the upper forceps body 3 and the lower forceps body 4 can not influence the operation.
Reset adjustment mechanism includes threaded rod 20, second spring 21 and nut 22, threaded rod 20 is articulated to be installed on the pincers body 4 down, threaded rod 20 activity runs through go up the pincers body 3, second spring 21 slip cover is established on the threaded rod 20, second spring 21 is located go up the pincers body 3 with down between the pincers body 4, nut 22 screw thread is installed threaded rod 20 is gone up and is located go up the top of the pincers body 3, kick-back through the second spring 21 in the adjustment mechanism that resets can be more convenient take off the holding forceps body 1.
The same loop bar 19 is fixedly mounted on the two steel wires 18, the loop bar 19 is positioned between the two second pulleys 17, and when a user pulls the steel wires 18, fingers are prevented from being injured by the steel wires 18 through the loop bar 19, so that the stress is easier.
The upper clamp body 3 is provided with a rectangular opening, the rectangular opening is movably connected with the threaded rod 20, the diameter of the rectangular opening is smaller than that of the second spring 21 and the nut 22, the threaded rod 20 can swing left and right through the rectangular opening in the upper clamp body 3, and the nut 22 can move up and down to be prevented from being clamped.
Two first pulley 16 and two anti-disengaging groove has all been seted up on the second pulley 17, anti-disengaging groove with 18 looks adaptations of steel wire can avoid 18 offline of steel wire through the anti-disengaging groove on two first pulleys 16 and two second pulleys 17.
The bone holding forceps for the orthopedic surgery provided by the utility model has the following working principle:
when the bone clamping forceps are used, after the patient bone is clamped by the two jaw front parts 2, the nut 22 is twisted clockwise, the nut 22 moves inwards to push the upper forceps body 3 and the lower forceps body 4 to approach each other, and the upper forceps body 3 and the lower forceps body 4 drive the two jaw front parts 2 to approach each other to clamp the patient bone;
after clamping the bone of a patient, pulling the sleeve rod 19, pulling the steel wire 18 to move inwards by the sleeve rod 19, pulling the pin rods 9 in the two adjusting and fixing mechanisms to slide outwards by the steel wire 18 so as to avoid the pin holes 8, enabling the pin holes 8 to rotate freely, pulling the upper forceps body 3 and the lower forceps body 4 to one side so as to enable the upper forceps body 3 and the lower forceps body 4 to avoid the operation position, loosening the sleeve rod 19 after avoiding, rebounding the limiting ring 10 through the first spring 11 and driving the pin rods 9 to slide inwards, and enabling the pin rods 9 to be clamped in the pin holes 8 so as to fix the upper forceps body 3 and the lower forceps body 4, so that the upper forceps body 3 and the lower forceps body 4 can be prevented from influencing the operation of a doctor during the operation;
when the bone holding forceps need to be taken down, the upper forceps body 3 and the lower forceps body 4 are aligned and fixed with the two front jaws 2 through adjusting the fixing mechanism, the nut 22 is twisted anticlockwise, the nut 22 moves towards the outer side, the upper forceps body 3 and the lower forceps body 4 are made to be away from each other through outward rebounding of the second spring 21, and the upper forceps body 3 and the lower forceps body 4 drive the two front jaws 2 to be away from each other, so that the bone holding forceps body 1 can be taken down more conveniently.
Compared with the related art, the bone holding forceps for the orthopedic surgery provided by the utility model has the following beneficial effects:
the utility model provides a bone holding forceps for orthopedic surgery, which is characterized in that a bone holding forceps body 1 consisting of two jaw front parts 2, an upper forceps body 3 and a lower forceps body 4 is convenient for bone holding surgery, a pin 14 is used for positioning and connecting the upper forceps body 3 and the lower forceps body 4, a through hole 15 is convenient for installing a steel wire 18, the steel wire 18 on a first pulley 16 and a second pulley 17 is used as a main driving piece, the positions of the upper forceps body 3 and the lower forceps body 4 can be adjusted and fixed by adjusting a fixing mechanism, so that the upper forceps body 3 and the lower forceps body 4 can not swing left and right to influence the surgery operation, the bone holding forceps body 1 can be more conveniently taken down by rebounding a second spring 21 in a resetting and adjusting mechanism, fingers can be prevented from being hurt by the steel wire 18 when a user pulls the steel wire 18 by a loop bar 19, the stress is easier, a threaded rod 20 can swing left and right through a rectangular opening on the upper forceps body 3, so that a threaded rod 22 can not be clamped, the steel wire 18 can be prevented from being off-line through the anti-off line grooves on the two first pulleys 16 and the two second pulleys 17.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, and the like of the device is not completely described, but on the premise that those skilled in the art understand the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A bone holding forceps for orthopedic surgery, comprising:
the bone holding forceps comprise a bone holding forceps body, wherein the bone holding forceps body comprises two jaw front parts, an upper forceps body and a lower forceps body;
the two adjusting and fixing mechanisms are respectively arranged on the upper clamp body, the lower clamp body and the front parts of the two jaws;
the pin is fixedly arranged on the upper clamp body and is rotationally connected with the lower clamp body;
the through hole is formed in the pin;
the two first pulleys are respectively and fixedly arranged at the front ends of the upper clamp body and the lower clamp body;
the two second pulleys are fixedly arranged on the upper clamp body and the lower clamp body respectively;
two ends of the two steel wires are respectively arranged on the two adjusting and fixing mechanisms, the two steel wires respectively correspond to the two first pulleys and the two second pulleys, and the two steel wires both penetrate through the through hole in a sliding manner;
and the resetting adjusting mechanism is arranged on the upper clamp body and the lower clamp body.
2. The bone holding forceps for orthopedic surgery as claimed in claim 1, wherein the adjusting and fixing mechanism comprises a capstan, a rotation opening, a groove, a plurality of pin holes, a pin rod, a limiting ring, a first spring, a binding ring and two hinge joints, the capstan is fixedly installed at the front end of the lower forceps body, the rotation opening is opened at the rear end of the front portion of the jaws, the rotation opening is adapted to the capstan, the groove is opened on the inner wall of one side of the rotation opening, the plurality of pin holes are opened on the capstan, the pin rod is slidably installed in the groove, the pin rod is adapted to the plurality of pin holes, one end of the pin rod away from the capstan extends to the outside of the front portion of the jaws, the limiting ring is fixedly sleeved on the pin rod and is slidably connected with the inner wall of the groove, the first spring is slidably sleeved on the pin rod and is located in the groove, the binding rings are fixedly arranged at the bottom ends of the pin rods, and the two hinge joints are respectively fixedly arranged at two sides of the winch and are respectively and rotatably connected with the inner walls at two sides of the rotating opening.
3. The bone-holding forceps for orthopedic surgery according to claim 1, characterized in that the reset adjusting mechanism comprises a threaded rod, a second spring and a nut, the threaded rod is hinged on the lower forceps body, the threaded rod movably penetrates through the upper forceps body, the second spring is sleeved on the threaded rod in a sliding manner, the second spring is located between the upper forceps body and the lower forceps body, and the nut is installed on the threaded rod in a threaded manner and located at the top of the upper forceps body.
4. The bone forceps for orthopedic surgery according to claim 1, characterized in that the same loop bar is fixedly mounted on the two steel wires, and the loop bar is located between the two second pulleys.
5. The bone forceps for orthopedic surgery according to claim 3, characterized in that the upper forceps body is provided with a rectangular opening, the rectangular opening is movably connected with the threaded rod, and the diameter of the rectangular opening is smaller than the diameter of the second spring and the diameter of the nut.
6. The bone holding forceps for orthopedic surgery according to claim 1, characterized in that two first pulleys and two second pulleys are respectively provided with an anti-drop wire groove, and the anti-drop wire grooves are matched with the steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120653112.2U CN215503336U (en) | 2021-03-31 | 2021-03-31 | Bone holding forceps for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120653112.2U CN215503336U (en) | 2021-03-31 | 2021-03-31 | Bone holding forceps for orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215503336U true CN215503336U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120653112.2U Active CN215503336U (en) | 2021-03-31 | 2021-03-31 | Bone holding forceps for orthopedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215503336U (en) |
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2021
- 2021-03-31 CN CN202120653112.2U patent/CN215503336U/en active Active
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