CN203169279U - Fracture reduction clamp - Google Patents
Fracture reduction clamp Download PDFInfo
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- CN203169279U CN203169279U CN 201320158697 CN201320158697U CN203169279U CN 203169279 U CN203169279 U CN 203169279U CN 201320158697 CN201320158697 CN 201320158697 CN 201320158697 U CN201320158697 U CN 201320158697U CN 203169279 U CN203169279 U CN 203169279U
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- fracture
- pincers
- reduction
- clamp
- handle
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Abstract
The utility model relates to a fracture reduction clamp, which comprises a first clamp body, a second clamp body, a scissors type connecting device and a guide device, wherein the first clamp body comprises a first clamp head and a first clamp handle; the first clamp head comprises a first clamp nose; the second clamp body comprises a second clamp head and a second clamp handle; the second clamp head comprises a second clamp nose; the scissors connecting device is used for connecting the first and second clamp bodies in a scissors type; the guide device is connected with at least one of the first and second clamp heads, and comprises a guide needle hole; and the extension direction of the guide needle hole is substantially parallel to the direction of a connecting line of the first and second clamp noses. The fracture reduction clamp has a guide function and/or an automatic distance measurement function, is simple in structure and convenient to use, and can be used for the fracture reduction and fixation of a plurality of parts of a human body.
Description
Technical field
The disclosure relates to reduction of the fracture pincers, relates in particular to the reduction of the fracture pincers with guide pin guide function and/or distance measurement function.
Background technology
Reduction of the fracture pincers are apparatuses commonly used of bone surgery.When carrying out the reduction of the fracture, be used for lifting fracture site, and fracture site is temporarily fixed on the reset position.
Figure 1A-1C shows the process of using reduction of the fracture pincers to carry out the reduction of the fracture.Figure 1A is a sketch map, shows the bone that fracture takes place.Figure 1B shows before the reduction of the fracture, two jaws 126 and 146 of reduction of the fracture pincers 10 is aimed at fracture sites, and apply relative reset force.Fracture site is relative motion under the effect of reset force, until recombination site.Fig. 1 C shows the situation after the reduction of the fracture.
In clinical practice, for fixing fracture site, the doctor need insert guide pin at the force direction of two jaws 126 of reduction of the fracture tailing edge and 146 usually, and the recombination site of fracture site is located temporarily.Then, take off reduction of the fracture pincers 10, measure the spacing between two jaws 126 and 146, according to the survey spacing, select the screw of appropriate length.At last, along guide pin screw is inserted fracture site.
In this operating process, the implantation site of guide pin and placing direction have influenced the reset effect of fracture to a great extent.Put in place in order to guarantee that guide pin is inserted, generally need two doctor's co-operatings, wherein control reduction of the fracture pincers for one, guarantee that fracture site remains on recombination site, another one is aimed near the jaw position with guide pin, and it is inserted along the line direction of two jaws 126 and 146 basically.On the other hand, in order to select the screw of appropriate length, the doctor must take off reduction of the fracture pincers after inserting guide pin, according to the spacing of jaw, select the screw of appropriate length, and operating process is comparatively loaded down with trivial details.
Summary of the invention
At the above-mentioned problems in the prior art, a purpose of the present disclosure provides a kind of reduction of the fracture pincers with guide pin guide function.
Another purpose of the present disclosure provides a kind of reduction of the fracture pincers with distance measurement function.
According to an embodiment of the present disclosure, a kind of reduction of the fracture pincers are provided, these reduction of the fracture pincers comprise that first caliper, described first caliper comprise first binding clip and the first pincers handle, wherein said first binding clip comprises first jaw; Second caliper, described second caliper comprise second binding clip and the second pincers handle, and wherein said second binding clip comprises second jaw; The scissors connecting device is used for scissors and connects described first caliper and described second caliper; And guider, described guider and described first binding clip link to each other with in described second binding clip at least one, and comprise guide pinhole; Wherein, the line direction that direction is arranged essentially parallel to described first jaw and described second jaw is stretched on the edge of described guide pinhole.
According to an embodiment of the present disclosure, above-mentioned reduction of the fracture pincers also can comprise: range unit, and described range unit comprises: the scale of band scale, the one end is connected with the described first pincers handle, and the other end extends to the described second pincers handle; And the indication piece of band pointer, the one end is connected with the described second pincers handle, and the other end extends to the described second pincers handle; Wherein, described scale and described indication piece have interior surface opposing, when the described reduction of the fracture of operation clamps, described scale and described indication piece are basically along same track move toward one another or adverse movement, and the distance between described first jaw and described second jaw is represented in the indicated scale position of described pointer.
Because the reduction of the fracture of the present disclosure pincers can have guider, so the doctor can regulate guider after with the reduction of the fracture pincers fracture site being resetted, and makes its guide pinhole aim at desired position and direction.Subsequently, need not under the situation that other people help, the doctor can penetrate guide pinhole with guide pin alone, and guide pin is inserted put in place.Therefore, the reduction of the fracture pincers with guider provide convenience for the doctor independently finishes the reduction of the fracture.
On the other hand, because the reduction of the fracture of the present disclosure pincers can have range unit, so the doctor can directly select the screw of appropriate length according to the indicated scale of pointer after with the reduction of the fracture pincers fracture site being resetted.Need not screw and jaw spacing are compared.Therefore, the reduction of the fracture with range unit clamps the operating procedure that can simplify the reduction of the fracture.
Reduction of the fracture tonger of the present disclosure has guide function and/or automatic range function, and is simple in structure, easy to use, and it is fixing to can be used for resetting of a plurality of positions of human body fracture.
Description of drawings
Figure 1A is a sketch map, shows the bone that fracture takes place;
Figure 1B shows the situation before the reduction of the fracture;
Fig. 1 C shows the situation after the reduction of the fracture;
Fig. 2 illustration according to the reduction of the fracture pincers disclosure one embodiment, that have guider and optional range unit; And
Fig. 3 illustration according to the side view of the guider of the disclosure one embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present disclosure is described.In institute's drawings attached, same or analogous parts are represented with identical label.
In first embodiment, reduction of the fracture tonger of the present disclosure has guide function.Fig. 2 illustration according to reduction of the fracture pincers 10 disclosure one embodiment, that have guider and optional range unit.Reduction of the fracture pincers 10 comprise upper clamp 12, lower clamp 14 and scissors connecting device 16.Upper clamp 12 comprises upper grip head 122 and lower plier handle 124, and wherein upper grip head 122 comprises upper clamp nozzle 126.Lower clamp 14 comprises lower pliers head 142 and upper plier handle 144, and wherein lower pliers head 142 comprises lower clamp nozzle 146.Scissors connecting device 16 rotatably links together upper clamp 12, lower clamp 14 with the scissors connected mode.In one embodiment, in upper clamp 12, upper grip head 122 and lower plier handle 124 are made one, and have a through hole in the junction.Equally, in lower clamp 14, lower pliers head 142 and upper plier handle 144 can be made one, and have a through hole in the junction.Scissors connecting device 16 can use screw, nut that two through holes are fixed, and realizes that the scissors of upper clamp 12 and lower clamp 14 are connected.In one embodiment, upper plier handle 144 and lower plier handle 124 have annular hand grip 148 and 108 respectively in end separately.
Reduction of the fracture pincers 10 also comprise guider 20.Fig. 3 illustration according to the side view of the guider of the disclosure one embodiment.As shown in Figure 3, guider 20 links to each other with upper grip head 12, can comprise drawing arm 210, keeper 220, lock uint 230 and guiding piece 240.Wherein, draw an end of arm 210 and can make one with upper clamp 12, also this end can be designed to fork-shaped, fixing by screw and nut and upper clamp 12, the other end can have a lockhole.The two ends of keeper 220 can have last lockhole and following lockhole respectively.Lock uint 230 can comprise screw and nut, for coaxial connection of following lockhole of lockhole with the keeper 220 that will draw arm 210.Drawing arm 210 and keeper 220 can be separately around lock uint 230 rotation.Guiding piece 240 can be spike, comprises ailhead part, nail body portion and guide pinhole.The nail body portion can be by the last lockhole of keeper 220, and the ailhead part then can not.Guide pinhole runs through ailhead part, nail body portion, and is positioned at substantially on the axle of spike body.In clinical manipulation, before carrying out reduction of the fracture operation, the doctor can draw the relative position (if adjustable) of arm 210 and upper clamp 12 in advance by adjustment, and keeper 220 and the relative position that draws arm 210, make the edge of guide pinhole 240 stretch the direction that direction is arranged essentially parallel to the active force that applies by upper clamp nozzle 126 and lower clamp nozzle 146.After using reduction of the fracture pincers that fracture site is resetted, if necessary, the doctor can also finely tune keeper 220 and the relative position that draws arm 210 alone, makes the edge of guide pinhole stretch the direction that direction is arranged essentially parallel to the active force that applies by upper clamp nozzle 126 and lower clamp nozzle 146.Preferably, draw the relative position of arm 210 and upper clamp 12 by adjusting, make the line along the as close as possible upper clamp nozzle 126 of long line and lower clamp nozzle 146 of guide pinhole.In one embodiment, two lockholes by lock uint 230 coaxial connections can arrange a plurality of projectioies on its relative face or two faces, are used for preventing from drawing behind guider 20 location the displacement between arm 210 and the keeper 220.More preferably, a plurality of projectioies can be some buckle teeth.
In a second embodiment, reduction of the fracture pincers of the present disclosure also have distance measurement function alternatively.As shown in Figure 2, reduction of the fracture pincers 10 also comprise range unit 30 alternatively.Range unit 30 can comprise scale 32 and indication piece 34, has scale 33 on the scale 32, and indication piece 34 has pointer 35.One end of scale 32 is made one with upper plier handle 144 or removably is connected, and the other end extends to lower plier handle 124.One end of indication piece 34 and lower plier handle 124 are made one or are removably connected, and the other end extends to upper plier handle 144.Vice versa.When the operation reduction of the fracture clamped 10, scale 32 and indication piece 34 were along same track move toward one another or adverse movement; When the shut-down operation reduction of the fracture clamps 10, pointer 35 indications one scale, this scale is represented the distance between upper clamp nozzle 126 and the lower clamp nozzle 146.Scale 32 and indication piece 34 have interior surface opposing.In one embodiment, at least a portion of the inner surface of scale 32 contacts with at least a portion of the inner surface of indication piece 34.Preferably, have a plurality of projectioies at the inner surface of scale 32 and/or the inner surface of indication piece 34, be used for preventing relatively moving between scale and the indication piece after the reduction of the fracture.More preferably, a plurality of projectioies can be some buckle teeth.In one embodiment, the measuring range of scale 32 can be designed as 0-5cm.
In the 3rd embodiment, reduction of the fracture pincers of the present disclosure can only have distance measurement function, for example only have the range unit of describing in a second embodiment 30, and do not have guide function.
Although more than described preferred embodiment of the present disclosure, the disclosure is not limited only to this.Those skilled in the art can carry out various variations and change on basis described above.For example, can provide the guiding piece 240 with different guide pinhole internal diameters, to allow to insert the guide pin of different size.In addition, at the different patient of the sturdy degree of skeleton, can also design the reduction of the fracture pincers with different caliper sizes.For example, the reduction of the fracture pincers that can provide caliper to amplify, thus allow the measuring range that provides bigger, such as 0-8cm etc.
Do not break away from the various changes of spirit of the present invention and change and all should drop within the protection domain of the present disclosure.Protection domain of the present disclosure is limited by the accompanying Claim book.
Claims (10)
1. a reduction of the fracture pincers is characterized in that, comprising:
First caliper, described first caliper comprise first binding clip and the first pincers handle, and wherein said first binding clip comprises first jaw;
Second caliper, described second caliper comprise second binding clip and the second pincers handle, and wherein said second binding clip comprises second jaw;
The scissors connecting device is used for scissors and connects described first caliper and described second caliper; And
Guider, described guider and described first binding clip link to each other with in described second binding clip at least one, and comprise guide pinhole;
Wherein, the line direction that direction is arranged essentially parallel to described first jaw and described second jaw is stretched on the edge of described guide pinhole.
2. the reduction of the fracture as claimed in claim 1 clamps, and it is characterized in that described guider comprises:
Draw arm, its first end links to each other with described second at least one that clamps in the handle with the described first pincers handle;
Keeper, its first end and described coaxial connection of second end of drawing arm; And
Guiding piece, it is connected with second end of described keeper, and has described guide pinhole.
3. reduction of the fracture pincers as claimed in claim 2 is characterized in that, described first end and described first that draws arm clamps handle and described second at least one that clamps in the handle made one.
4. the reduction of the fracture as claimed in claim 2 pincers is characterized in that described first end that draws arm is fork-shaped, and by screw and nut and the described first pincers handle and described second clamp in the handle described at least one be connected.
5. as any one described reduction of the fracture pincers among the claim 2-4, it is characterized in that,
The described arm that draws has first lockhole at its second end;
Described keeper has second lockhole at its first end, has the 3rd lockhole at its second end;
Described guiding piece is the spike body, and it comprises ailhead part, nail body portion and described guide pinhole, and wherein said nail body portion is passed described the 3rd lockhole, and described guide pinhole is positioned on the axle of described spike body;
Described guider also comprises lock uint, is used for described first lockhole and described coaxial connection of second lockhole.
6. reduction of the fracture pincers as claimed in claim 5 is characterized in that,
Described lock uint comprises nut and screw; And
Described first lockhole and described second lockhole have a plurality of projectioies at least one face respect to one another.
7. as any one described reduction of the fracture pincers among the claim 1-6, it is characterized in that, also comprise:
Range unit, described range unit comprises:
The scale of band scale, the one end is connected with the described first pincers handle, and the other end extends to the described second pincers handle; And
The indication piece of band pointer, the one end is connected with the described second pincers handle, and the other end extends to the described second pincers handle;
Wherein, described scale and described indication piece have interior surface opposing,
When the described reduction of the fracture of operation pincers, described scale and described indication piece be basically along same track move toward one another or adverse movement, and
The distance between described first jaw and described second jaw is represented in the indicated scale position of described pointer.
8. the reduction of the fracture described in claim 7 clamps, it is characterized in that, have a plurality of projectioies on the inner surface of at least one in described scale and the described indication piece, when the described reduction of the fracture of operation clamped, at least a portion of described scale inner surface contacted with at least a portion of described indication piece inner surface.
9. as claim 6 or 8 described reduction of the fracture pincers, it is characterized in that,
Described a plurality of projection is buckle teeth.
10. reduction of the fracture pincers as claimed in claim 7 is characterized in that the measuring range of described scale is among 0-5cm and the 0-8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158697 CN203169279U (en) | 2013-04-01 | 2013-04-01 | Fracture reduction clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158697 CN203169279U (en) | 2013-04-01 | 2013-04-01 | Fracture reduction clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203169279U true CN203169279U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320158697 Expired - Fee Related CN203169279U (en) | 2013-04-01 | 2013-04-01 | Fracture reduction clamp |
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| Country | Link |
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| CN (1) | CN203169279U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665902A (en) * | 2015-03-02 | 2015-06-03 | 毕宏政 | Guide fixing device for reduction of fracture |
| CN105011991A (en) * | 2015-06-18 | 2015-11-04 | 侯训凯 | Fixing pliers used for orthopaedics |
| CN105615978A (en) * | 2016-03-04 | 2016-06-01 | 苏州瑞华医院有限公司 | Kirschner wire positioning depth finder |
| CN106691524A (en) * | 2016-12-30 | 2017-05-24 | 张国强 | Bone penetrating threading forceps |
| JP2017221264A (en) * | 2016-06-13 | 2017-12-21 | ＨＯＹＡ Ｔｅｃｈｎｏｓｕｒｇｉｃａｌ株式会社 | Bone fracture treatment apparatus |
| CN108113744A (en) * | 2017-12-26 | 2018-06-05 | 中国人民解放军总医院 | A kind of reduction forceps |
| CN111714200A (en) * | 2020-07-13 | 2020-09-29 | 常州亨杰医疗器械有限公司 | Orthopedic reduction needle threading guide forceps |
-
2013
- 2013-04-01 CN CN 201320158697 patent/CN203169279U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665902A (en) * | 2015-03-02 | 2015-06-03 | 毕宏政 | Guide fixing device for reduction of fracture |
| CN105011991A (en) * | 2015-06-18 | 2015-11-04 | 侯训凯 | Fixing pliers used for orthopaedics |
| CN105615978A (en) * | 2016-03-04 | 2016-06-01 | 苏州瑞华医院有限公司 | Kirschner wire positioning depth finder |
| JP2017221264A (en) * | 2016-06-13 | 2017-12-21 | ＨＯＹＡ Ｔｅｃｈｎｏｓｕｒｇｉｃａｌ株式会社 | Bone fracture treatment apparatus |
| CN106691524A (en) * | 2016-12-30 | 2017-05-24 | 张国强 | Bone penetrating threading forceps |
| CN108113744A (en) * | 2017-12-26 | 2018-06-05 | 中国人民解放军总医院 | A kind of reduction forceps |
| CN111714200A (en) * | 2020-07-13 | 2020-09-29 | 常州亨杰医疗器械有限公司 | Orthopedic reduction needle threading guide forceps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20150401 |
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| EXPY | Termination of patent right or utility model |