CN204306868U - Percutaneous mothers and sons clamp - Google Patents
Percutaneous mothers and sons clamp Download PDFInfo
- Publication number
- CN204306868U CN204306868U CN201420388175.XU CN201420388175U CN204306868U CN 204306868 U CN204306868 U CN 204306868U CN 201420388175 U CN201420388175 U CN 201420388175U CN 204306868 U CN204306868 U CN 204306868U
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- CN
- China
- Prior art keywords
- pincers
- percutaneous
- sons
- mothers
- clamp handle
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Abstract
This utility model discloses a kind of percutaneous mothers and sons pincers, is made up of pincers portion, clamp handle and retaining mechanism, and pincers portion comprises binding clip, the pincers blade of a sword and jaw, and described jaw is hollow structure, can hold Kirschner wire and pass through.It fixes the combination with Kirschner wire fixation by jaw, reduces the slippage of fracture end, provides more stable fixed effect.
Description
Technical field
This utility model relates to minimally invasive medical technique with the apparatus field, discloses a kind of percutaneous mothers and sons pincers especially.
Background technology
Treatment of fractures of tibia-fibula shaft accounts for 9.45% in Whole Body Bone Scanning compromise, and within less than 10 years old, child is particularly common.Fracture of tibia comprises fracture of shaft of tibia and fracture of the tibial plateau.Fracture of the tibial plateau is one of modal fracture in knee joint trauma.For the treatment of fracture of tibia, the overlap of fracture end, angulation and rotation displacement should be corrected completely, avoid affecting the heavy burden function of shank and articular strain occurs.Fracture without displacement only can use Boards wall, until union of fracture.There is the stable fracture of displacement, available manual reduction, Boards wall.Unstable fracture can use manual reduction, Boards wall, and coordinates calcaneal traction.
Patent CN2513531Y discloses a kind of percutaneous fish-lip pincer, is made up of jaw part, adjustable clamp shank portion and retaining mechanism part, and the tip of jaw part is in dividing mouth shape structure of spearing fish, and its rear end is flexibly connected with handle portion by Active Interface; Retaining mechanism is made up of locking teeth and lock-screw, and it is arranged on the rear portion of jaw.The tip design of its jaw, for point spearing fish mouth shape structure, so just can increase the contact surface with bone, can effectively to terminating in surface of bone, unlikelyly fixingly laggardly enters to lose percutaneous pincers distinctive " laterally pressurize and fix " performance in sclerotin.But, in Clinical practice, find that its fixed effect is poor, often occur the situation of fracture end slippage.
Utility model content
The purpose of this utility model is to provide a kind of percutaneous mothers and sons to clamp, and be made up of pincers portion, clamp handle and retaining mechanism, jaw is hollow structure, Kirschner wire can be held pass through, fix the combination with Kirschner wire fixation by jaw, reduce the slippage of fracture end, more stable fixed effect is provided.
A kind of percutaneous mothers and sons pincers that this utility model provides, be made up of pincers portion, clamp handle and retaining mechanism, pincers portion comprises binding clip, the pincers blade of a sword and jaw, described jaw is hollow structure, Kirschner wire can be held pass through, fix the combination with Kirschner wire fixation by jaw, reduce the slippage of fracture end, more stable fixed effect is provided.
Preferably, described retaining mechanism is made up of slideway and tight split nut, and retaining mechanism is fixed on binding clip.Selected by the diverse location of tight split nut at slideway, the two ends distance of adjustable jaw, adjusted rear employing and tightly locked screw and be fixed, be convenient to position fixing stressed after also not easily relative sliding.
Preferably, for preventing tight split nut from loosening because foreign object extension touches, described tight split nut is hex nut, needs hexagon to carry out screwing, unscrew or dismantling during use.
Preferably, described slideway is have concavo-convex tight lock tooth slideway.Tight lock tooth slideway concave-convex surface, plays spacing effect, external force can be avoided further to hang the left-right looseness touching the tight lock screw caused after tight lock fastened by screw.
Preferably, clamp handle is flexibly connected with binding clip, and the rear portion of binding clip is inserted in the front portion of clamp handle.Preferably, the position that clamp handle inserts binding clip is provided with the collision bead preventing clamp handle from coming off, and holds pressurization, improve its reliability time easy to use.Concrete set-up mode is: in clamp handle, establish an aperture, places spring and collision bead in hole.
Preferably, described jaw is provided with intersection fish mouth, and cross angle is 30 °-60 °, can increasing mother and sons' pincers and the contact surface of bone block, effectively to terminating in surface of bone, can play fixation of laterally pressurizeing.
The beneficial effects of the utility model have:
1, percutaneous mothers and sons pincers are made up of pincers portion, clamp handle and retaining mechanism, and jaw is hollow structure, can hold Kirschner wire and pass through, and fixes the combination with Kirschner wire fixation by jaw, reduce the slippage of fracture end, provide more stable fixed effect;
2, clamp handle is flexibly connected with binding clip, and the rear portion of binding clip is inserted in the front portion of clamp handle, and the position that clamp handle inserts binding clip is provided with the collision bead preventing clamp handle from coming off, and holds pressurization, improve its reliability time easy to use;
3, jaw is also provided with intersection fish mouth, and cross angle is 30 °-60 °, can increasing mother and sons' pincers and the contact surface of bone block, effectively to terminating in surface of bone, can play fixation of laterally pressurizeing.
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the percutaneous mothers and sons pincers of embodiment 1.
Fig. 2 is the structural representation of the clamp handle of the percutaneous mothers and sons pincers of embodiment 1.
Fig. 3 is the structural representation of the percutaneous mothers and sons pincers of embodiment 2.
Fig. 4 is the structural representation of the slideway of the percutaneous mothers and sons pincers of embodiment 2.
In figure, 1-pincers portion, 2-clamp handle, 3-retaining mechanism, 11-binding clip, 12-clamps the blade of a sword, 13-jaw, 14-pin hole, 15-intersection fish mouth, 21-collision bead, 22-spring, 31-slideway, the tight split nut of 32-.
Detailed description of the invention
The present embodiment is this utility model preferred implementation, and other its principles all are identical with the present embodiment or approximate with basic structure, all within this utility model protection domain.
embodiment 1
Incorporated by reference to referring to accompanying drawing 1 to 2, the percutaneous mothers and sons pincers of the present embodiment, be made up of pincers portion 1, clamp handle 2 and retaining mechanism 3, pincers portion 1 comprises binding clip 11, the pincers blade of a sword 12 and jaw 13, jaw 13, in hollow structure, is provided with the pin hole 14 that can hold Kirschner wire and pass through, and fixes the combination with the Kirschner wire fixation in pin hole 14 by jaw 13, reduce the slippage of fracture end, more stable fixed effect is provided.
Wherein, retaining mechanism 3 is made up of slideway 31 and tight split nut 32, and retaining mechanism 3 is fixed on binding clip 11.Selected by the diverse location of tight split nut 32 at slideway 31, the two ends distance of adjustable jaw 13, adjusted rear employing and tightly locked screw 32 and be fixed, be convenient to position fixing stressed after also not easily relative sliding.In the present embodiment, for preventing tight split nut from loosening because foreign object extension touches, tight split nut 32 adopts hex nut, needs hexagon to carry out screwing, unscrew or dismantling during use.
Wherein, clamp handle 2 is flexibly connected with binding clip 11, and the rear portion of binding clip 11 is inserted in the front portion of clamp handle 2, and the position that clamp handle 2 inserts binding clip 11 is provided with the collision bead 21 preventing clamp handle 2 from coming off, and holds pressurization, improve its reliability time easy to use.Concrete set-up mode is: in clamp handle 2, establish an aperture, places spring 22, place collision bead 21 outside it in hole.
The using method of percutaneous mothers and sons pincers in clinical of the present embodiment: under C arm X-ray machine perspective, according to type of fracture and position, positive side misalignment, determine with finger the jaw positions that percutaneous mothers and sons clamps, the jaw 13 percutaneous mothers and sons clamped directly directes reach sclerotin through skin to carry out transverse direction and pressurizes and fix.Suffering limb is made interior external rotation or when lifting, when fluoroscopic observation fracture no longer makes a mistake, is screwed tight split nut 32 with fixing.Under C arm X-ray machine reset and again adjustment under, after fracture reduction is satisfied, utilize the strength of Kirschner wire lever will be shifted sclerite reset, use formerly be placed in pin hole 14, the Kirschner wire fixation bone block of each one piece of Φ 1.5-2.0mm in left and right, Kirschner wire has two to run through bone block, make bone block become one, prevent fracture far-end cripetura and be shifted again.After above-mentioned Percutaneous fixation is satisfied, the activity clamp handle 2 that percutaneous mothers and sons clamp is taken off, the backshank of Kirschner wire is about 2mm and stays outside skin, cover with sterile gauze.
The application of percutaneous mothers and sons pincers in clinical of the present embodiment:
embodiment 2
Incorporated by reference to referring to accompanying drawing 3 to 4, the percutaneous mothers and sons pincers of the present embodiment, be made up of pincers portion 1, clamp handle 2 and retaining mechanism 3, pincers portion 1 comprises binding clip 11, the pincers blade of a sword 12 and jaw 13, jaw 13 is in hollow structure, be provided with the pin hole 14 that can hold Kirschner wire and pass through, jaw 13 is provided with intersection fish mouth 15, and cross angle can be selected within the scope of 30 °-60 °.Fix the combination with the Kirschner wire fixation in pin hole 14 by jaw 13, reduce the slippage of fracture end, more stable fixed effect is provided.And intersect the structure of fish mouth 15 and can increase percutaneous mothers and sons pincers and the contact surface of bone block especially, effectively to terminating in surface of bone, can play fixation of laterally pressurizeing.
Wherein, retaining mechanism 3 is made up of slideway 31 and tight split nut 32, and retaining mechanism 3 is fixed on binding clip 11.Selected by the diverse location of tight split nut 32 at slideway 31, the two ends distance of adjustable jaw 13, adjusted rear employing and tightly locked screw 32 and be fixed, be convenient to position fixing stressed after also not easily relative sliding.In the present embodiment, the cross section structure schematic diagram of tight lock tooth slideway 31, as Fig. 4, in concavo-convex uniformly, plays spacing effect, the left-right looseness of the tight lock screw 32 can External Force Acting being avoided further to cause after tight lock screw 32 is fastening.
The use of percutaneous mothers and sons pincers in clinical of the present embodiment: under C arm X-ray machine perspective, according to type of fracture and position, positive side misalignment, determine with finger the jaw positions that percutaneous mothers and sons clamps, the jaw 13 percutaneous mothers and sons clamped directly directes reach sclerotin through skin to carry out transverse direction and pressurizes and fix.Suffering limb is made interior external rotation or when lifting, when fluoroscopic observation fracture no longer makes a mistake, is screwed tight split nut 32 with fixing.Under C arm X-ray machine reset and again adjustment under, after fracture reduction is satisfied, utilize the strength of Kirschner wire lever will be shifted sclerite reset, use formerly be placed in pin hole 14, the Kirschner wire fixation bone block of each one piece of Φ 1.5-2.0mm in left and right, Kirschner wire has two to run through bone block, make bone block become one, prevent fracture far-end cripetura and be shifted again.After above-mentioned Percutaneous fixation is satisfied, the activity clamp handle 2 that percutaneous mothers and sons clamp is taken off, the backshank of Kirschner wire is about 2mm and stays outside skin, cover with sterile gauze.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of this utility model with this, therefore according to the equivalent variations that this utility model claim is done, still belong to the scope that this utility model is contained.
Claims (7)
1. percutaneous mothers and sons pincers, are made up of pincers portion, clamp handle and retaining mechanism, it is characterized in that: pincers portion comprises binding clip, the pincers blade of a sword and jaw, and described jaw is hollow structure, can hold Kirschner wire and pass through; Described jaw is provided with intersection fish mouth, and cross angle is 30 °-60 °.
2. percutaneous mothers and sons pincers according to claim 1, is characterized in that: retaining mechanism is made up of slideway and tight split nut, and retaining mechanism is fixed on binding clip.
3. percutaneous mothers and sons pincers according to claim 2, is characterized in that: described tight split nut is hex nut.
4. percutaneous mothers and sons pincers according to claim 2, is characterized in that: described slideway is have concavo-convex tight lock tooth slideway.
5. percutaneous mothers and sons pincers according to any one of claim 1 to 4, is characterized in that: clamp handle is flexibly connected with binding clip, and the rear portion of binding clip is inserted in the front portion of clamp handle.
6. percutaneous mothers and sons pincers according to claim 5, is characterized in that: the position that clamp handle inserts binding clip is provided with the collision bead preventing clamp handle from coming off.
7. percutaneous mothers and sons pincers according to claim 6, is characterized in that: in clamp handle, establish an aperture, place spring and collision bead in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388175.XU CN204306868U (en) | 2014-07-15 | 2014-07-15 | Percutaneous mothers and sons clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388175.XU CN204306868U (en) | 2014-07-15 | 2014-07-15 | Percutaneous mothers and sons clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204306868U true CN204306868U (en) | 2015-05-06 |
Family
ID=53129206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420388175.XU Expired - Fee Related CN204306868U (en) | 2014-07-15 | 2014-07-15 | Percutaneous mothers and sons clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204306868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836245A (en) * | 2018-06-27 | 2018-11-20 | 北京大学深圳医院 | Doublejointed for oral surgery presses tongue forceps |
-
2014
- 2014-07-15 CN CN201420388175.XU patent/CN204306868U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836245A (en) * | 2018-06-27 | 2018-11-20 | 北京大学深圳医院 | Doublejointed for oral surgery presses tongue 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: 20150506 Termination date: 20150715 |
|
| EXPY | Termination of patent right or utility model |