CN201375556Y - Novel rapid three-jaw fixator - Google Patents
Novel rapid three-jaw fixator Download PDFInfo
- Publication number
- CN201375556Y CN201375556Y CN200920148482U CN200920148482U CN201375556Y CN 201375556 Y CN201375556 Y CN 201375556Y CN 200920148482 U CN200920148482 U CN 200920148482U CN 200920148482 U CN200920148482 U CN 200920148482U CN 201375556 Y CN201375556 Y CN 201375556Y
- Authority
- CN
- China
- Prior art keywords
- release lever
- carriage release
- movable claw
- movable
- jaw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model aims at providing a three-jaw fixator, thereby rapidly adjusting the spacing interval between two fixed jaws and a movable jaw, reducing operation time and reducing suffering of a patient. The adopted technical scheme is as follows: the novel rapid three-jaw fixator comprises two fixed jaws 1, the movable jaw 2 and a fixed rod 3 which is connected with the two fixed jaws 1 into a whole, wherein a movable rod support 6 is arranged at the tail end of the fixed rod 3, a movable rod 4 penetrates the movable rod support 6, a micro-adjustment support 7 is arranged on the movable rod 4, a movable jaw connecting base 8 is arranged on the movable jaw 2, a micro-adjustment screw rod 5 is arranged on the micro-adjustment support 7, and the micro-adjustment screw rod 5 is connected with the movable jaw connecting base 8 for regulating the distance between the micro-adjustment support 7 and the movable jaw connecting base 8, thereby micro-adjusting the distance between the two fixed jaws 1 and the movable jaw 2. The three-jaw fixator has the positive effects that the three-jaw fixator can realize rapid movement and locking of the movable rod, regulate the distance between the movable jaw and the two fixed jaws and the extrusion force to a steel plate during an operation, further reduce the operation time and effectively avoid the trouble caused by adjustment of displacement of the steel plate.
Description
Technical field
This utility model relates to medical science orthopaedic trauma operating theater instruments, is specially long bone open reduction internal fixation three-jaw holder.
Background technology
At present, in the fracture operation, be applied to the three-jaw holder, in application, it is long to exist the operating time, easily causes displacement fracture, problems such as steel plate easily rearward moves, two fixed claws of existing three-jaw holder and sliding jaw all are to be circular-arc, to fracture end fixedly is annular, stressed not at grade, fixing unstable, when especially holing with brace, the fracture steel plate is displacement and rotation easily, operating difficulties not only is difficult to grasp, and returning patient increases misery.The disclosed three-jaw holder of Chinese patent CN200520126601.3, two fixed claws, sliding jaw and jackscrew constitute, on sliding jaw, have the steel plate groove, one end of steel plate groove is a slide plate, have slide opening on the sliding jaw, slide plate is fixed on the sliding jaw by set bolt, and slide plate can slide on sliding jaw along slide opening by bolt, is convenient to adjust the width of steel plate groove.During use,, adjust slide plate, use bolting, make just right the getting final product of width of steel plate groove according to the width of fracture steel plate.Though provide a kind of thinking for solving the steel plate displacement problem.But regulate long problem of sliding jaw adjusting time because the three-jaw holder exists in operation, must cause the problem of steel plate displacement and fixing adjustment overlong time, still fundamentally do not deal with problems.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of novel three-paw quick holder at above-mentioned prior art deficiency, and the spacing of two fixed claws of rapid adjustment and moving jaws shortens operating time, reduces the sufferer misery.
This utility model solves the problems of the technologies described above the technical scheme that is adopted: novel three-paw quick holder, comprise two fixed claws (1), movable claw (2) and the fixed bar (3) that is connected one with two fixed claws (1), fixed bar (3) end is provided with carriage release lever bearing (6), be equipped with carriage release lever (4) in the carriage release lever bearing (6), fine setting bearing (7) is set on the carriage release lever (4), movable claw (2) is provided with movable claw Connection Block (8), fine setting bearing (7) is gone up and is set fine setting screw rod (5), fine setting screw rod (5) is connected with movable claw Connection Block (8), in order to regulate the distance between fine setting bearing (7) and the movable claw Connection Block (8);
Be set with carriage release lever positioning runner (31) on the fixed bar (3), carriage release lever (4) is provided with carriage release lever slip locating rod (41), carriage release lever slip locating rod (41) matches with carriage release lever positioning runner (31), guarantees fixed bar (3) and carriage release lever (4) relative motion;
Carriage release lever (4) is provided with movable claw positioning runner (44), movable claw Connection Block (8) is provided with movable claw slip locating rod (81), movable claw slip locating rod (81) cooperates with movable claw positioning runner (44), guarantees the relative motion of movable claw (2) and motion bar (4);
Be provided with snap close (9) in the carriage release lever bearing (6), be provided with below the carriage release lever (4) and have the dead bolt (91) corresponding in carriage release lever lock-bit teeth groove (42), the snap close (9) with carriage release lever lock-bit teeth groove (42), carriage release lever bearing (6) is positioned at snap close (9) below and is provided with spring (10), each carriage release lever lock-bit teeth groove (42) has the monocline face of two fixed claw (1) directions of trend, dead bolt (91) is and the corresponding reverse slope of carriage release lever lock-bit teeth groove (42) to guarantee the locking of snap close (9) to carriage release lever (4) one-way movement.
Good effect of the present utility model is, realize the fast moving and the locking of carriage release lever, micro-tensioning system is set simultaneously, fine setting screw rod in the scheme, can regulate between movable claw and the two fixed claw distance and in operation to the extruding dynamics of steel plate, thereby reduced time of operation because the minimizing of time and the convenience of adjusting, the trouble that can effectively avoid steel plate displacement and fracture end to be shifted and to bring to adjustment has high promotional value.
Description of drawings
Fig. 1, novel three-paw quick fixer structure sketch map described in the utility model.
1, two fixed claws, 2, movable claw, 3, fixed bar, 4, carriage release lever, 5, the fine setting screw rod, 6, the carriage release lever bearing, 7, fine setting bearing, 8, the movable claw Connection Block, 9, snap close, 10, spring, 31, the carriage release lever positioning runner, 41, carriage release lever slip locating rod, 42, carriage release lever lock-bit teeth groove, 43, the carriage release lever handle, 44, the movable claw positioning runner, 51, trimming handle, 81, movable claw slip locating rod, 91, dead bolt.
The specific embodiment
Shown in Figure 1, this utility model three-jaw holder, comprise two fixed claws 1, movable claw 2 and the fixed bar 3 that is connected one with two fixed claws 1, fixed bar 3 ends are provided with carriage release lever bearing 6, be equipped with carriage release lever 4 in the carriage release lever bearing 6, fine setting bearing 7 is set on the carriage release lever 4, movable claw 2 is provided with movable claw Connection Block 8, set fine setting screw rod 5 on the fine setting bearing 7, fine setting screw rod 5 is connected with movable claw Connection Block 8, in order to the distance between adjusting fine setting bearing 7 and the movable claw Connection Block 8, thus the distance between two fixed claws 1 of fine setting and the movable claw 2;
Be set with carriage release lever positioning runner 31 on the fixed bar 3, carriage release lever 4 is provided with carriage release lever slip locating rod 41, bar slip locating rod 41 matches with carriage release lever positioning runner 31, guarantees fixed bar 3 and carriage release lever 4 relative motioies;
Be provided with snap close 9 in the carriage release lever bearing 6, be provided with below the carriage release lever 4 and have the dead bolt 91 corresponding in carriage release lever lock-bit teeth groove 42, the snap close 9 with carriage release lever lock-bit teeth groove 42, carriage release lever bearing 6 is positioned at snap close 9 belows and is provided with spring 10, each carriage release lever lock-bit teeth groove 42 has the monocline face of two fixed claw 1 directions of trend, dead bolt 91 is the reverse slope corresponding with carriage release lever lock-bit teeth groove 42, guarantees the locking of 9 pairs of carriage release lever 4 one-way movements of snap close.
When using, only need to promote carriage release lever handle 43, under the effect of snap close 9, motion bar can move and lock to two fixed claw 1 directions fast, rotate trimming handle 51 on the fine setting screw rod 5 according to the situation of operation then, regulate between movable claw and the two fixed claw distance and in operation to the extruding dynamics of steel plate.
This utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but on its shape or structure, do any variation; every have identical with a this utility model or akin technical scheme, all within its protection domain.
Claims (1)
1, novel three-paw quick holder, comprise two fixed claws (1), movable claw (2) and the fixed bar (3) that is connected one with two fixed claws (1), fixed bar (3) end is provided with carriage release lever bearing (6), be equipped with carriage release lever (4) in the carriage release lever bearing (6), it is characterized in that: fine setting bearing (7) is set on the carriage release lever (4), movable claw (2) is provided with movable claw Connection Block (8), fine setting bearing (7) is gone up and is set fine setting screw rod (5), fine setting screw rod (5) is connected with movable claw Connection Block (8), in order to the distance between adjusting fine setting bearing (7) and the movable claw Connection Block (8), thus the distance between two fixed claws 1 of fine setting and the movable claw 2;
Be set with carriage release lever positioning runner (31) on the fixed bar (3), carriage release lever (4) is provided with carriage release lever slip locating rod (41), bar slip locating rod (41) matches with carriage release lever positioning runner (31), guarantees fixed bar (3) and carriage release lever (4) relative motion;
Carriage release lever (4) is provided with movable claw positioning runner (44), movable claw Connection Block (8) is provided with movable claw slip locating rod (81), movable claw slip locating rod (81) cooperates with movable claw positioning runner (44), guarantees the relative motion of movable claw (2) and motion bar (4);
Be provided with snap close (9) in the carriage release lever bearing (6), be provided with below the carriage release lever (4) and have the dead bolt (91) corresponding in carriage release lever lock-bit teeth groove (42), the snap close (9) with carriage release lever lock-bit teeth groove (42), carriage release lever bearing (6) is positioned at snap close (9) below and is provided with spring (10), each carriage release lever lock-bit teeth groove (42) has the monocline face of two fixed claw (1) directions of trend, dead bolt (91) is and the corresponding reverse slope of carriage release lever lock-bit teeth groove (42) to guarantee the locking of snap close (9) to carriage release lever (4) one-way movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920148482U CN201375556Y (en) | 2009-04-09 | 2009-04-09 | Novel rapid three-jaw fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920148482U CN201375556Y (en) | 2009-04-09 | 2009-04-09 | Novel rapid three-jaw fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201375556Y true CN201375556Y (en) | 2010-01-06 |
Family
ID=41515649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920148482U Expired - Fee Related CN201375556Y (en) | 2009-04-09 | 2009-04-09 | Novel rapid three-jaw fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201375556Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835994A (en) * | 2012-08-17 | 2012-12-26 | 苏州瑞华医院有限公司 | Three-jaw bone holder |
| CN104359084A (en) * | 2014-10-08 | 2015-02-18 | 安徽世林照明股份有限公司 | Backlight module fluorescent tube bracket |
| CN108438364A (en) * | 2018-05-25 | 2018-08-24 | 京东方科技集团股份有限公司 | Assist joint sealing operation jig |
| CN109439514A (en) * | 2018-12-14 | 2019-03-08 | 贵州大学 | A kind of support device for array microfluidic point sample microfluidic control device |
| CN111743585A (en) * | 2020-07-08 | 2020-10-09 | 潘庆亮 | Auxiliary device for taking out subcutaneous implant for contraception |
-
2009
- 2009-04-09 CN CN200920148482U patent/CN201375556Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835994A (en) * | 2012-08-17 | 2012-12-26 | 苏州瑞华医院有限公司 | Three-jaw bone holder |
| CN104359084A (en) * | 2014-10-08 | 2015-02-18 | 安徽世林照明股份有限公司 | Backlight module fluorescent tube bracket |
| CN104359084B (en) * | 2014-10-08 | 2017-06-30 | 安徽世林照明股份有限公司 | A kind of tube stand of backlight module |
| CN108438364A (en) * | 2018-05-25 | 2018-08-24 | 京东方科技集团股份有限公司 | Assist joint sealing operation jig |
| CN109439514A (en) * | 2018-12-14 | 2019-03-08 | 贵州大学 | A kind of support device for array microfluidic point sample microfluidic control device |
| CN111743585A (en) * | 2020-07-08 | 2020-10-09 | 潘庆亮 | Auxiliary device for taking out subcutaneous implant for contraception |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201375556Y (en) | Novel rapid three-jaw fixator | |
| EP1852072A3 (en) | Alignment guide | |
| CN203468718U (en) | Bone anchor | |
| US6251111B1 (en) | Jack for pulling a vertebral anchor | |
| ES2149744T1 (en) | SCREW AND PLATE SYSTEM FOR THE RAQUIS OSTEOSYNTHESIS. | |
| CA2495750A1 (en) | Nested closure plug and set screw with break-off heads | |
| EP1994902A3 (en) | Pedicle screw fixation system | |
| CN202399455U (en) | Rapid die locking device | |
| EP1878394A3 (en) | Threaded guide for an orthopaedic fixation plate | |
| CA2325661A1 (en) | A jointed support structure | |
| AU3183600A (en) | Spinal osteosynthesis instrumentation | |
| CN201564554U (en) | Rongeur | |
| CN202776475U (en) | Centralizing bone holding forceps | |
| CN112043468B (en) | Clamping and positioning instrument | |
| CN204449852U (en) | Dismounting air valve of engine device | |
| CN221154278U (en) | Stepless pressurization formula sternum board fixing system | |
| CN205237992U (en) | Multifunctional adjustable spanner | |
| CN201389069Y (en) | Reduction and compression fixator | |
| CN208031272U (en) | A kind of orthopaedics reduction pinning device | |
| CN207323506U (en) | Retractor for orthopaedic operation | |
| CN2134259Y (en) | Multipurpose hand vice | |
| CN203993664U (en) | Hexagon socket head cap screw spanner | |
| CN219987449U (en) | F template hand of quick adjustment | |
| CN217056204U (en) | Embedded lead screw module mechanism of horizontal angle adjustable | |
| CN201320211Y (en) | Orthopaedics stretching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20110409 |