CN102835994B - Three-jaw bone holder - Google Patents
Three-jaw bone holder Download PDFInfo
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- CN102835994B CN102835994B CN201210293015.2A CN201210293015A CN102835994B CN 102835994 B CN102835994 B CN 102835994B CN 201210293015 A CN201210293015 A CN 201210293015A CN 102835994 B CN102835994 B CN 102835994B
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- base
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- screw
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Abstract
The invention discloses a three-jaw bone holder, including a base, a slide base and a threaded rod. The base is provided with a sliding groove which is communicated the upper surface and the lower surface of the base; the sliding base is arranged on the upper surface of the base; the head end of the base is provided with a bone jaw and the tail end of the base is provided with a threaded through hole; the head end of the slide base is provided with a clamping jaw and the tail end of the slide base is provided with a threaded counter bore; one end of the threaded rod is arranged in the threaded counter bore in the slide base and the threaded rod penetrates the threaded through hole in the base, and the other end of the threaded rod is provided with a handle; the slide base is driven by the threaded rod to slide along the sliding groove; the side face of the handle has a through hole. When the three-jaw bone holder of the invention is used, a rotating rod which is arranged in the through hole in the side face of the handle rotates to drive the clamping jaw to clamp or release. The three-jaw bone holder is simple in structure and convenient to operate. The bottom surface of the handle can also be provided with a hexagonal counter bore and then a motor with a hexagonal rotating head can be used to drive the clamping jaw to clamp or release, thus greatly improving the operation efficiency.
Description
Technical field
The present invention relates to a kind of three-paw bone-holding tool, particularly a kind of three-paw bone-holding tool of being convenient to screw handle, belongs to medical clamp device technical field.
Background technology
Three-paw bone-holding tool be in orthopaedics open reduction fixedly time fracture end reduction control and fixing apparatus later temporarily; The three-paw bone-holding tool using is at present to drive claw to advance by screw rod, and by bone pawl, is coordinated clamping bone with claw; But due to the difference of the bone size clamping, so claw needs fine setting, so screw flight is thin, and this has just caused the inconvenience in use of this three-paw bone-holding tool, and doctor need to screw for a long time and three-paw bone-holding tool could be screwed or Panasonic conventionally; And because doctor can be stained with blood on hand in art, thereby in screwing the process of three-paw bone-holding tool, be easy to skid, to operation process, brought inconvenience.
Summary of the invention
The present invention seeks to provide in order to overcome the deficiencies in the prior art a kind of three-paw bone-holding tool of being convenient to screw handle.
For achieving the above object, the technical solution used in the present invention is: a kind of three-paw bone-holding tool, comprise base, slide, screw rod, and on described base, be provided with the chute that is communicated with upper and lower surface; Described slide is arranged on the upper surface of base; The head end of described base is provided with bone pawl, and the tail end of base is provided with the axis tapped through hole consistent with the direction of chute; The head end of described slide is provided with claw, and the tail end of slide is provided with the axis screw-threaded counterbore consistent with the direction of chute; One end of described screw rod is arranged in the screw-threaded counterbore of slide, and screw rod is through the tapped through hole on base, and the other end of screw rod is provided with hands handle; Tapped through hole on described screw flight and base and the screw thread of the screw-threaded counterbore on slide match; Described slide is driven by screw rod, along chute, slides; The side of described handle is provided with through hole.
Preferably, on described handle, be provided with the swing arm through handle side through hole.
Preferably, on described handle, on the end face away from screw rod, be provided with hexagonal counterbore.
Preferably, the two ends of described swing arm are provided with screw thread.
Preferably, the two ends of described swing arm are provided with tail cap; The width of described tail cap is greater than the diameter of handle side through hole.
Preferably, the through hole of described handle side is screwed hole; On described swing arm, be provided with screw thread; Screw thread on described swing arm and the screw thread of through hole match.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Three-paw bone-holding tool described in the present invention program is provided with swing arm during use on the handle of screw rod tail, and the rotation by swing arm drives claw clamp or unclamp, simple in structure, easy to operate; On the bottom surface of handle, can also have hexagonal counterbore, and clamp or unclamp by the driven by motor claw with turret, can greatly improve the efficiency of operation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
The axonometric chart of a kind of embodiment that accompanying drawing 1 is three-paw bone-holding tool of the present invention;
The axonometric chart of the another kind of embodiment that accompanying drawing 2 is three-paw bone-holding tool of the present invention;
Wherein: 1, base; 2, slide; 3, screw rod; 4, chute; 5, bone pawl; 6, claw; 7, hands handle; 8, hexagonal counterbore; 9, swing arm; 10, tail cap.
The specific embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1 is a kind of three-paw bone-holding tool of the present invention, comprises base 1, slide 2, screw rod 3, is provided with the chute 4 that is communicated with upper and lower surface on described base 1; Described slide 2 is arranged on the upper surface of base 1; The head end of described base 1 is provided with bone pawl 5, and the tail end of base 1 is provided with the axis tapped through hole consistent with the direction of chute 4; The head end of described slide 2 is provided with claw 6, and the tail end of slide 2 is provided with the axis screw-threaded counterbore consistent with the direction of chute 4; One end of described screw rod 3 is arranged in the screw-threaded counterbore of slide 2, and screw rod 3 is through the tapped through hole on base 1, and the other end of screw rod 3 is provided with handle 7; Tapped through hole on the screw thread of described screw rod 3 and base 1 and the screw thread of the screw-threaded counterbore on slide 2 match; Described slide 2 is driven by screw rod 3, along chute 4, slides; On end face away from screw rod 3 on described handle 7, be provided with hexagonal counterbore 8; The side of described handle 7 is provided with through hole; On described handle 7, be provided with the swing arm 9 through handle 7 side through holes; The two ends of described swing arm 9 are provided with screw thread; On the position of the two ends screw thread of described swing arm 9, be provided with tapped tail cap 10; The screw thread of the screw thread of described tail cap 10 and swing arm 9 matches, and the width of tail cap 10 is greater than the diameter of handle 7 side through holes.
accompanying drawing 2 is another kind of three-paw bone-holding tool of the present invention, comprises base 1, slide 2, screw rod 3, is provided with the chute 4 that is communicated with upper and lower surface on described base 1; Described slide 2 is arranged on the upper surface of base 1; The head end of described base 1 is provided with bone pawl 5, and the tail end of base 1 is provided with the axis tapped through hole consistent with the direction of chute 4; The head end of described slide 2 is provided with claw 6, and the tail end of slide 2 is provided with the axis screw-threaded counterbore consistent with the direction of chute 4; One end of described screw rod 3 is arranged in the screw-threaded counterbore of slide 2, and screw rod 3 is through the tapped through hole on base 1, and the other end of screw rod 3 is provided with handle 7; Tapped through hole on the screw thread of described screw rod 3 and base 1 and the screw thread of the screw-threaded counterbore on slide 2 match; Described slide 2 is driven by screw rod 3, along chute 4, slides; On end face away from screw rod 3 on described handle 7, be provided with hexagonal counterbore 8; The side of described handle 7 is provided with through hole, and through hole is screwed hole; On described handle 7, be provided with the swing arm 9 through handle 7 side through holes; On described swing arm 9, be provided with screw thread; Screw thread on described swing arm 9 and the screw thread of through hole match.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Three-paw bone-holding tool described in the present invention program is provided with swing arm 9 during use on the handle 7 of screw rod 3 afterbodys, and the rotation by swing arm 9 drives claw 6 clamp or unclamp, simple in structure, easy to operate; On the bottom surface of handle 7, can also have hexagonal counterbore 8, and clamp or unclamp by the driven by motor claw 6 with turret, can greatly improve the efficiency of operation.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a three-paw bone-holding tool, comprises base (1), slide (2), screw rod (3), is provided with the chute (4) that is communicated with upper and lower surface on described base (1); Described slide (2) is arranged on the upper surface of base (1); The head end of described base (1) is provided with bone pawl (5), and the tail end of base (1) is provided with the axis tapped through hole consistent with the direction of chute (4); The head end of described slide (2) is provided with claw (6), and the tail end of slide (2) is provided with the axis screw-threaded counterbore consistent with the direction of chute (4); One end of described screw rod (3) is arranged in the screw-threaded counterbore of slide (2), and screw rod (3) is through the tapped through hole on base (1), and the other end of screw rod (3) is provided with handle (7); Tapped through hole on the screw thread of described screw rod (3) and base (1) and the screw thread of the screw-threaded counterbore on slide (2) match; Described slide (2) is driven by screw rod (3), along chute (4), slides; It is characterized in that: the side of described handle (7) is provided with through hole; On described handle (7), be provided with the swing arm (9) through handle (7) side through hole.
2. three-paw bone-holding tool according to claim 1, is characterized in that: on the upper end face away from screw rod (3) of described handle (7), be provided with hexagonal counterbore (8).
3. three-paw bone-holding tool according to claim 1, is characterized in that: the two ends of described swing arm (9) are provided with screw thread.
4. three-paw bone-holding tool according to claim 3, is characterized in that: the two ends of described swing arm (9) are provided with tail cap (10); The width of described tail cap (10) is greater than the diameter of handle (7) side through hole.
5. three-paw bone-holding tool according to claim 1, is characterized in that: the through hole of described handle (7) side is screwed hole; Described swing arm is provided with screw thread on (9); Screw thread on described swing arm (9) and the screw thread of through hole match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210293015.2A CN102835994B (en) | 2012-08-17 | 2012-08-17 | Three-jaw bone holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210293015.2A CN102835994B (en) | 2012-08-17 | 2012-08-17 | Three-jaw bone holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102835994A CN102835994A (en) | 2012-12-26 |
| CN102835994B true CN102835994B (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210293015.2A Active CN102835994B (en) | 2012-08-17 | 2012-08-17 | Three-jaw bone holder |
Country Status (1)
| Country | Link |
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| CN (1) | CN102835994B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769325A (en) * | 2016-02-24 | 2016-07-20 | 吴大强 | Bone holder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2715706Y (en) * | 2004-07-16 | 2005-08-10 | 江积清 | T shape handle for dual-purpose intramedullary needle |
| CN201239194Y (en) * | 2008-06-26 | 2009-05-20 | 杨兆军 | Device for fetching screw of orthopaedics |
| CN201253256Y (en) * | 2008-09-11 | 2009-06-10 | 童松林 | Nail taking device for orthopaedics |
| CN202151377U (en) * | 2011-06-20 | 2012-02-29 | 申文瑞 | Novel orthopedic screwdriver |
| CN202821558U (en) * | 2012-08-17 | 2013-03-27 | 苏州瑞华医院有限公司 | Three-jaw bone holder |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2145585Y (en) * | 1992-04-16 | 1993-11-10 | 王映松 | "Yingsong" type bone holder |
| CN1085417A (en) * | 1993-04-06 | 1994-04-20 | 余传敏 | Withdrawing device for jammed intramedullary needle |
| CN2169383Y (en) * | 1993-08-24 | 1994-06-22 | 刘方田 | Screw intramedullary pin extractor |
| US7207993B1 (en) * | 2000-02-03 | 2007-04-24 | Pioneer Laboratories, Inc. | Apparatus and method for repairing the femur |
| CN2848149Y (en) * | 2005-10-19 | 2006-12-20 | 郭丽 | Three-wing fixer |
| CN201230896Y (en) * | 2008-03-06 | 2009-05-06 | 张明友 | Multi-directional split type bone supporting device |
| CN201375556Y (en) * | 2009-04-09 | 2010-01-06 | 武峰 | Novel rapid three-jaw fixator |
-
2012
- 2012-08-17 CN CN201210293015.2A patent/CN102835994B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2715706Y (en) * | 2004-07-16 | 2005-08-10 | 江积清 | T shape handle for dual-purpose intramedullary needle |
| CN201239194Y (en) * | 2008-06-26 | 2009-05-20 | 杨兆军 | Device for fetching screw of orthopaedics |
| CN201253256Y (en) * | 2008-09-11 | 2009-06-10 | 童松林 | Nail taking device for orthopaedics |
| CN202151377U (en) * | 2011-06-20 | 2012-02-29 | 申文瑞 | Novel orthopedic screwdriver |
| CN202821558U (en) * | 2012-08-17 | 2013-03-27 | 苏州瑞华医院有限公司 | Three-jaw bone holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102835994A (en) | 2012-12-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CP03 | Change of name, title or address |
Address after: 215000 No. 5, Yuexi Tayun Road, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: SUZHOU RUIHUA ORTHOPAEDICS HOSPITAL Co.,Ltd. Address before: 215104 Suzhou Ruihua hospital Co., Ltd., No. 5, Tayun Road, Wuzhong District, Suzhou, Jiangsu Province Patentee before: SUZHOU RUIHUA HOSPITAL Co.,Ltd. |
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| CP03 | Change of name, title or address |