CN202437251U - Electric minimal invasive decompression bone-planting device for femoral head necrosis - Google Patents
Electric minimal invasive decompression bone-planting device for femoral head necrosis Download PDFInfo
- Publication number
- CN202437251U CN202437251U CN2012200123417U CN201220012341U CN202437251U CN 202437251 U CN202437251 U CN 202437251U CN 2012200123417 U CN2012200123417 U CN 2012200123417U CN 201220012341 U CN201220012341 U CN 201220012341U CN 202437251 U CN202437251 U CN 202437251U
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- connecting rod
- electric
- tail end
- drill body
- drilling body
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Abstract
The utility model discloses an electric minimal invasive decompression bone-planting device for femoral head necrosis, comprising a protective sleeve (1) and an annular and hollow drilling body (2), wherein the front part of the drilling body is placed in the protective sleeve (1); the front end of the drilling body (2) is provided with sawing thorns; air guide holes (10) and lock holes (5) are arranged in two sides of the tail end of the drilling body; the tail end of the drilling body is provided with a connecting rod (8); the front end of the connecting rod is positioned in an internal chamber of the tail end of the drilling body; a lock hole channel (6) is arranged on the front end of the connecting rod; the lock hole channel (6) is corresponding to the lock holes (5) in the drilling body; the tail end of the connecting rod (8) is connected with an electric drill; a guide rod (9) is arranged in the protective sleeve; a guide hole (10) is arranged in the guide rod (9); and guide needles (11) are arranged in the guide holes. The electric minimal invasive decompression bone-planting device for the femoral head necrosis has the characteristics of capability of being connected with the orthopedic electric drill, safe and effective electric operation, time-saving and labor-saving electric operation, oriented bone removal for decompression, correct positioning of a planted bone, strong practicability, effective shortening of operation time, and decrease of infection risk.
Description
Technical field
This utility model belongs to a kind of utility of bone surgery treatment femur head necrosis, relates generally to the micro-wound pressure-reduced and bone grafting device of electronic femur head necrosis.
Background technology
Existing orthopaedics decompression instrument, design has only handle, can not electric operating, manual operations is wasted time and energy, and injures other osseous tissues easily.
Summary of the invention
The purpose of this utility model provides a kind of easy to operate, stable performance, the micro-wound pressure-reduced and bone grafting device of the electronic femur head necrosis of clinical practice.
The purpose of this utility model can adopt following technical scheme to realize: comprise protection sleeve, and annular hollow drill body, the drill body front portion is positioned at protection sleeve, is provided with the saw thorn at the front end of drill body, and drill body tail end both sides are provided with gas port and lockhole; Be provided with connecting rod at the drill body tail end; The front end of connecting rod is positioned at the inner chamber of drill body tail end, and it is provided with the lockhole passage, and the lockhole passage is corresponding with lockhole on the drill body; The connecting rod tail end links to each other with electric drill; In protection sleeve, be provided with guide rod, it is provided with pilot hole, is provided with guide pin in the pilot hole.
Have four pilot holes on the described guide rod, wherein, a pilot hole is arranged on the guide rod center, and its excess-three pilot hole becomes triangular to be arranged in periphery, centre pilot hole.
The utlity model has following characteristics: can link to each other with the orthopaedics electric drill, electric operating, safe and effective.Electric operating is time saving and energy saving.Orientation is got bone decompression, bone grafting accurate positioning.Practical, effectively shorten operating time, reduce infection risk.
Description of drawings
Accompanying drawing 1 is the structural representation of this utility model.
Accompanying drawing 2 is guide rod structural representations.
Accompanying drawing 3 is vertical views of Fig. 2.
Accompanying drawing 4 is user mode sketch maps of this utility model.
Among the figure: 1, protection sleeve, 2, drill body, 3, the saw thorn, 4, gas port, 5, lockhole, 6, the lockhole passage, 7, pinning, 8, connecting rod, 9, guide rod, 10, pilot hole, 11, guide pin, 12, greater trochanter of femur.
The specific embodiment
In conjunction with accompanying drawing, the specific embodiment of this utility model is described.
Shown in accompanying drawing 1: the micro-wound pressure-reduced bone grafting device of described femur head necrosis comprises 1 of protective sleeve, annular hollow drill body 2, and drill body 2 front portions are positioned at protection sleeve 1, is provided with saw thorn 3 at the front end of drill body 2, and drill body tail end both sides are provided with gas port 4 and lockhole 5; Be provided with connecting rod 8 at drill body 2 tail ends, the front end of connecting rod 8 is positioned at the inner chamber of drill body 2 tail ends, and it is provided with lockhole passage 6, and lockhole passage 6 is corresponding with lockhole 5 on the drill body, and the connecting rod tail end links to each other with electric drill, in protection sleeve 1, is provided with guide rod 9.Have four pilot holes 10 on the guide rod 9, wherein, a guide pin path 10 is arranged on guide rod 9 centers, and 10 one-tenth triangulars of its excess-three pilot hole are arranged in 10 peripheries, centre pilot hole.It is provided with pilot hole 10, is provided with guide pin 11 in the guide pin path 10.
Shown in accompanying drawing 2: cut skin, the ring protection sleeve 1 of packing in greater trochanter of femur 12 outside Wicresofts earlier during use.Squeeze into guide pin 11 along protection sleeve 1, insert in four hole guide rods, the 9 centre pilot holes 10 as the center guide pin, after guide rod 9 holds out against sclerotin, its excess-three of packing into piece guide pin, four pins are fixed with guide rod 9.After the connecting rod front end injects hollow drill body tail end correct position, with the pinning 7 corresponding lockhole 5 of packing into, lock hollow drill body 2 and connecting rod front end, the connecting rod tail end connects electric drill.Core drill drills through the focus sclerotin along guide rod and protection sleeve, utilizes core drill front end direct motion saw thorn 3 to get bone work.After the row decompression, simultaneously along the capable bone post of protective sleeve bone grafting.
Claims (2)
1. micro-wound pressure-reduced and bone grafting device of electronic femur head necrosis; It is characterized in that comprising protection sleeve (1), the hollow drill body (2) of annular; Drill body (2) front portion is positioned at protection sleeve (1); Front end at drill body (2) is provided with the saw thorn, and drill body (2) tail end both sides are provided with gas port (10) and lockhole (5); Be provided with connecting rod (8) at drill body (2) tail end; The front end of connecting rod (8) is positioned at the inner chamber of drill body (2) tail end, and it is provided with lockhole passage (6), and lockhole passage (6) is corresponding with lockhole (5) on the drill body (2); Connecting rod (8) tail end links to each other with electric drill; In protection sleeve (1), be provided with guide rod (9), it is provided with pilot hole (10), is provided with guide pin (11) in the pilot hole (10).
2. the micro-wound pressure-reduced and bone grafting device of electronic femur head necrosis according to claim 1; It is characterized in that having four pilot holes (10) on the described guide rod (9); Wherein, a pilot hole is arranged on the guide rod center, and its excess-three pilot hole becomes triangular to be arranged in periphery, centre pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200123417U CN202437251U (en) | 2012-01-12 | 2012-01-12 | Electric minimal invasive decompression bone-planting device for femoral head necrosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200123417U CN202437251U (en) | 2012-01-12 | 2012-01-12 | Electric minimal invasive decompression bone-planting device for femoral head necrosis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202437251U true CN202437251U (en) | 2012-09-19 |
Family
ID=46818708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200123417U Expired - Fee Related CN202437251U (en) | 2012-01-12 | 2012-01-12 | Electric minimal invasive decompression bone-planting device for femoral head necrosis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202437251U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618673A (en) * | 2017-03-17 | 2017-05-10 | 西南医科大学附属医院 | Medullary core three-dimensional decompressing device for treating avascular necrosis of femoral head as well as preparing and testing methods based on medullary core three-dimensional decompressing device |
| CN106963522A (en) * | 2017-04-21 | 2017-07-21 | 中国人民解放军第二军医大学第二附属医院 | A kind of micro-wound pressure-reduced emerging system of posterolateral lumbar spinal |
| CN108143519A (en) * | 2017-12-23 | 2018-06-12 | 湖南华翔增量制造股份有限公司 | Collapse of femoral head prosthetic device |
| CN113520513A (en) * | 2021-06-16 | 2021-10-22 | 叶川 | Bone-taking and pressure-reducing bone grafting device with functions of protecting hip and minimally invasive percutaneous and accurate positioning |
-
2012
- 2012-01-12 CN CN2012200123417U patent/CN202437251U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618673A (en) * | 2017-03-17 | 2017-05-10 | 西南医科大学附属医院 | Medullary core three-dimensional decompressing device for treating avascular necrosis of femoral head as well as preparing and testing methods based on medullary core three-dimensional decompressing device |
| CN106618673B (en) * | 2017-03-17 | 2019-01-15 | 西南医科大学附属医院 | A kind of preparation and test method of femoral head ischemic necrosis marrow core solid decompressor |
| CN106963522A (en) * | 2017-04-21 | 2017-07-21 | 中国人民解放军第二军医大学第二附属医院 | A kind of micro-wound pressure-reduced emerging system of posterolateral lumbar spinal |
| CN106963522B (en) * | 2017-04-21 | 2018-09-11 | 中国人民解放军第二军医大学第二附属医院 | A kind of micro-wound pressure-reduced emerging system of posterolateral lumbar spinal |
| CN108143519A (en) * | 2017-12-23 | 2018-06-12 | 湖南华翔增量制造股份有限公司 | Collapse of femoral head prosthetic device |
| CN113520513A (en) * | 2021-06-16 | 2021-10-22 | 叶川 | Bone-taking and pressure-reducing bone grafting device with functions of protecting hip and minimally invasive percutaneous and accurate positioning |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20130112 |