CN201566158U - Interlocking intramedullary nail forming die - Google Patents
Interlocking intramedullary nail forming die Download PDFInfo
- Publication number
- CN201566158U CN201566158U CN2009202316709U CN200920231670U CN201566158U CN 201566158 U CN201566158 U CN 201566158U CN 2009202316709 U CN2009202316709 U CN 2009202316709U CN 200920231670 U CN200920231670 U CN 200920231670U CN 201566158 U CN201566158 U CN 201566158U
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Abstract
The utility model relates to an interlocking intramedullary nail forming die, in particular to a orthopedic interlocking intramedullary nail distal end physiological curve radian forming die, which is especially suitable for physiological curve radian hydraulic forming of interlocking intramedullary nail distal end and proximal end for femora, tibia, etc., and comprises a die frame, a forming die and a positioning adjusting device. The die frame consists of an upper die positioning plate. The forming die consists of an upper die and a lower die, wherein the upper die adopts a male die, and a convex curved surface according with the physiological radian of the interlocking intramedullary nail is processed at the lower part of the upper die and an arc-shaped groove is processed thereon; and the lower die adopts a female die, a concave curved surface according with the physiological radian of the interlocking intramedullary nail is arranged at the upper part of a lower die plate and a semicircular arc-shaped groove is processed thereon, and the lower die is fixed at the upper part of the lower die plate. The positioning adjusting device is mounted on a lower die positioning plate on one side of the lower die of the forming die and comprises a guide rail, a slide block, a positioning block, a height adjusting block and a positioning screw.
Description
Technical field
What the utility model molding mold of interlocking intramedullary nail related to is orthopaedics cross locking marrow nail far-end physiological crooked radian mould, is specially adapted to the shaped by fluid pressure of cross locking marrow nail far-ends such as femur, shin bone, near-end physiological crooked radian.
Background technology
At present, femur, cross locking marrow nail far-ends such as shin bone, the moulding of near-end physiological crooked radian adopts the manual method bending repeatedly to proofread and correct moulding, forming process is long, cross locking marrow nail far-end after the moulding, near-end physiological crooked radian moulding uniformity is poor, with human femur under loading, shin bone pulp cavity bone radian is inconsistent, in surgical procedure, can cause assembly precision poor, even can cause self-locking nail to aim at and to lock with the distal locking intramedullary hole, that have even can be from human femur under loading, extract in the shin bone, again insert femur external after proofreading and correct radian, the assembling that undergos surgery of shin bone pulp cavity, can prolong operating time greatly, cause patient's excessive blood loss, increase transfusion volume, bring misery to the patient.
Summary of the invention
The purpose of this utility model is to provide a kind of interlocking marrow nail mould at above-mentioned weak point, have mould bases, shaping mould, location adjusting device, the cross locking marrow nail blank that processes is packed in the mould in the mould bases, by location adjusting device cross locking marrow nail is located, by the one-shot forming of hydraulic press hydraulic pressure, the moulding work efficiency is fast, cross locking marrow nail physiological radian high conformity after the moulding.
Cross locking marrow nail becomes mould to take following technical scheme to realize: cross locking marrow nail Cheng Mo is made up of mould bases, shaping mould, location adjusting device, and mould bases comprises the patrix location-plate, counterdie location-plate, guide pillars and bushes; On the patrix location-plate guide pin bushing is housed, guide pillar is contained on the counterdie location-plate, and guide pin bushing matches with guide pillar; Shaping mould has upper die and lower die, patrix is a punch, the bottom of patrix is processed with and the corresponding to convex surface of cross locking marrow nail physiological radian (the intramedullary nail arc radius is consistent), is processed with arc groove on convex surface, and patrix is fixed on the bottom of patrix location-plate by screw.Counterdie is a die, is provided with on counterdie top and the corresponding to concave curvatures of cross locking marrow nail physiological radian, is processed with the semi-circular arc connected in star on concave curvatures, and counterdie is fixed on the top of lower bolster by screw, and patrix matches with counterdie.
The arc radius of described convex surface is identical with the arc radius of concave curvatures, and its arc radius R is 240～350mm.
On the counterdie location-plate of shaping mould counterdie one side, location adjusting device is housed, needing is used for the moulding cross locking marrow nail to regulate the location, to adapt to the cross locking marrow nail of different length and diameter.Location adjusting device comprises guide rail, slide block, locating piece, height regulating block and dog screw.Guide rail is fixed on the counterdie location-plate by screw, is provided with guide rail groove in the guide rail both sides.Slide block has the slide block body, is provided with the guide rail mounting groove in slide block body bottom, is provided with projection in guide rail mounting groove both sides, and the projection of slide block matches with guide rail groove, and slide block is slided on guide rail.In slide block one side dog screw is housed, after regulating the cross locking marrow nail installation site with the slide block locking positioning on guide rail.Be provided with the location graduation mark in the guide rail side, so that determine the shaping position of cross locking marrow nail different length.On slide block, be provided with height regulating block installing hole, highly regulate in the packaged installing hole that is inserted in the height regulating block.Locating piece is movably arranged on height regulating block top by connecting pin, and the locating piece front end is provided with the location inserted sheet.
Operation principle: when molding mold of interlocking intramedullary nail uses, the counterdie location-plate is fixed on the hydraulic press work top, the cope match-plate pattern clamping is in the bottom of hydraulic press top board, regulate the position of upper and lower mould again, the cross locking marrow nail of need moulding is put into that the counterdie top of shaping mould is provided with the consistent arc groove of cross locking marrow nail physiological radian, in the apparatus link slot locating notch with cross locking marrow nail; According to the different length cross locking marrow nail, the dog screw on the locking slide block is inserted in the apparatus link slot locating notch of cross locking marrow nail with the location inserted sheet of locating piece front end in the scale position of adjusting slider on guide rail.After needing the cross locking marrow nail installation location of moulding, the primer fluid press will be molded into disposal molding cross locking marrow nail physiological radian in the counterdie on the molding mold of interlocking intramedullary nail.
Molding mold of interlocking intramedullary nail is reasonable in design, simple in structure, easy to operate, by the one-shot forming of hydraulic press hydraulic pressure, the moulding work efficiency is fast, cross locking marrow nail physiological radian high conformity after the moulding, improved the cross locking marrow nail installation accuracy, in clinical operation, be convenient to femur, the shin bone pulp cavity of implant into body, be convenient to self-locking nail and aim at intramedullary nail interlocking hole, reduce operating time, alleviate the patient suffering.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is the molding mold of interlocking intramedullary nail structural representation.
Fig. 2 is the location adjusting device schematic diagram of molding mold of interlocking intramedullary nail.
Fig. 3 is the shaping mould schematic diagram of molding mold of interlocking intramedullary nail.
The specific embodiment
With reference to accompanying drawing 1～3, cross locking marrow nail Cheng Mo is made up of mould bases, shaping mould, location adjusting device, and mould bases comprises patrix location-plate 1, counterdie location-plate 4, guide pillar 3 and guide pin bushing 2; Guide pin bushing 2 is housed on the patrix location-plate 1, and guide pillar 3 is contained on the counterdie location-plate 4, and guide pin bushing 2 matches with guide pillar 3; Shaping mould has patrix 5, counterdie 7, patrix 5 is a punch, the bottom of patrix 5 is processed with and the corresponding to convex surface 17 of cross locking marrow nail physiological radian (the intramedullary nail arc radius is consistent), be processed with arc groove 6 on convex surface 17, patrix 5 is fixed on the bottom of patrix location-plate 1 by screw.Counterdie 7 is a die, is provided with on counterdie 7 tops and the corresponding to concave curvatures 18 of cross locking marrow nail physiological radian, is processed with arc groove 16 on concave curvatures 18, and counterdie 7 is fixed on the top of counterdie location-plate 4 by screw, and patrix 5 matches with counterdie 7.The arc radius of described convex surface 17 is identical with the arc radius of concave curvatures 18, and its arc radius R is 240～350mm.
On the counterdie location-plate 4 of shaping mould counterdie one side, location adjusting device is housed, needing is used for the moulding cross locking marrow nail to regulate the location, to adapt to the cross locking marrow nail of different length and diameter.Location adjusting device comprises guide rail 14, slide block 13, locating piece 9, height regulating block 12 and dog screw 15.Guide rail 14 is fixed on the counterdie location-plate 4 by screw, is provided with guide rail groove 19 in guide rail 14 both sides.Slide block 13 has the slide block body, is provided with guide rail mounting groove 21 in slide block body bottom, is provided with projection 20 in guide rail 14 mounting groove both sides, and the projection 20 of slide block 13 matches with guide rail groove 19, and slide block 13 is slided on guide rail 14.In slide block 13 1 sides dog screw 15 is housed, after regulating the cross locking marrow nail installation site with slide block 13 locking positionings on guide rail 14.Be provided with location graduation mark 22 in guide rail 14 sides, so that determine the shaping position of cross locking marrow nail different length.Be provided with height regulating block installing hole 11 on slide block 13, height regulating block 12 dresses are inserted in the installing hole 11 of height regulating block.Locating piece 9 is movably arranged on height regulating block 13 tops by connecting pin 10, and locating piece 9 front ends are provided with location inserted sheet 8.
Claims (4)
1. a cross locking marrow nail becomes mould, it is characterized in that being made up of mould bases, shaping mould, location adjusting device; Mould bases comprises the patrix location-plate, counterdie location-plate, guide pillars and bushes; On the patrix location-plate guide pin bushing is housed, guide pillar is contained on the counterdie location-plate, and guide pin bushing matches with guide pillar; Shaping mould has upper die and lower die, and patrix is a punch, and the bottom of patrix is processed with and the corresponding to convex surface of cross locking marrow nail physiological radian, is processed with arc groove on convex surface, and patrix is fixed on the bottom of patrix location-plate by screw; Counterdie is a die, is provided with on counterdie top and the corresponding to concave curvatures of cross locking marrow nail physiological radian, is processed with the semi-circular arc connected in star on concave curvatures; Counterdie is fixed on the top of lower bolster by screw, and patrix matches with counterdie;
On the counterdie location-plate of shaping mould counterdie one side location adjusting device is housed, location adjusting device comprises guide rail, slide block, locating piece, height regulating block and dog screw; Guide rail is fixed on the counterdie location-plate by screw, is provided with guide rail groove in the guide rail both sides, and slide block has the slide block body, be provided with the guide rail mounting groove in slide block body bottom, be provided with projection in guide rail mounting groove both sides, the projection of slide block matches with guide rail groove, and slide block is slided on guide rail; Be provided with height regulating block installing hole on slide block, highly regulate in the packaged installing hole that is inserted in the height regulating block, locating piece is movably arranged on height regulating block top by connecting pin, and the locating piece front end is provided with the location inserted sheet.
2. cross locking marrow nail according to claim 1 becomes mould, it is characterized in that the arc radius of described convex surface is identical with the arc radius of concave curvatures, and its arc radius R is 240～350mm.
3. cross locking marrow nail according to claim 1 becomes mould, it is characterized in that being provided with the location graduation mark in the guide rail side.
4. cross locking marrow nail according to claim 1 becomes mould, it is characterized in that in slide block one side dog screw being housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202316709U CN201566158U (en) | 2009-09-17 | 2009-09-17 | Interlocking intramedullary nail forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202316709U CN201566158U (en) | 2009-09-17 | 2009-09-17 | Interlocking intramedullary nail forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201566158U true CN201566158U (en) | 2010-09-01 |
Family
ID=42658445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202316709U Expired - Lifetime CN201566158U (en) | 2009-09-17 | 2009-09-17 | Interlocking intramedullary nail forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201566158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170789A (en) * | 2013-04-11 | 2013-06-26 | 昆山远大精工机械有限公司 | Clamp bracket for sheet-metal working |
-
2009
- 2009-09-17 CN CN2009202316709U patent/CN201566158U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170789A (en) * | 2013-04-11 | 2013-06-26 | 昆山远大精工机械有限公司 | Clamp bracket for sheet-metal working |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100901 Effective date of abandoning: 20090917 |