CN108814704B - Proximal femur intramedullary nail placement guider - Google Patents
Proximal femur intramedullary nail placement guider Download PDFInfo
- Publication number
- CN108814704B CN108814704B CN201810313590.1A CN201810313590A CN108814704B CN 108814704 B CN108814704 B CN 108814704B CN 201810313590 A CN201810313590 A CN 201810313590A CN 108814704 B CN108814704 B CN 108814704B
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- Prior art keywords
- fixed
- sliding sleeve
- scale
- rod
- knob
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- 210000000689 upper leg Anatomy 0.000 title claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 208000010392 Bone Fractures Diseases 0.000 description 7
- 206010017076 Fracture Diseases 0.000 description 6
- 238000003466 welding Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 208000008924 Femoral Fractures Diseases 0.000 description 1
- 206010016454 Femur fracture Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000003275 diaphysis Anatomy 0.000 description 1
- 208000020089 femoral neck fracture Diseases 0.000 description 1
- 210000002436 femur neck Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 210000001694 thigh bone Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a nail-placing guider for a proximal intramedullary nail of a femur, which comprises a base, a support rod, a first scale, a fixed vertical rod, a guide cylinder and a cross rod, wherein the support rod is fixed on the base through a support rod fixed adjusting knob, the fixed vertical rod is connected above the support rod, a first sliding sleeve and a second sliding sleeve are arranged on the fixed vertical rod, a dial B is welded on the first sliding sleeve, a dial A is welded on the second sliding sleeve, the second sliding sleeve is arranged below the first sliding sleeve, the first scale is arranged on one surface of the dial A marked with scales, the first scale passes through a rotating shaft and is fixed through the first scale adjusting knob, the rotating shaft fixed knob passes through the second sliding sleeve to fix the rotating shaft, and one side of the first scale is vertically connected with a telescopic reference ruler. The beneficial effects are that: the invention has simple structure, low cost and simple operation, is convenient for disassembling and assembling the femur to pass through the nailing device laterally in the operation process, and reduces the operation risk.
Description
Technical Field
The invention relates to the field of orthopedic medical instruments, in particular to a femoral proximal intramedullary nail placement guide.
Background
The range of the femoral nailing adaptation is wide, and the nail can be basically used for all femur fractures. Such as: fracture of femur neck, paraxial fracture, subtrochanter fracture, etc., but its greatest advantage is the use of femur multi-segment fracture, such as: the femoral neck fracture merges diaphysis fracture, and to the fixed of A2 and A3 type fracture, rebuild the nail and have more bone fracture board fixed firm, to the femoral fracture, often appear bone nail side because of angle scheduling problem when nailing and wear phenomenon, also have angle deviation in the operation process after the repeated adjustment through the C arm perspective machine, consequently, need accurate proximal femur intramedullary nail to put the nail director and solve above problem.
Disclosure of Invention
The present invention aims to solve the above problems by providing a proximal femoral intramedullary nail placement guide.
The invention realizes the above purpose through the following technical scheme:
the utility model provides a nail director is put to thighbone near-end intramedullary nail, includes base, bracing piece, scale first, fixed montant, guide cylinder and horizontal pole, the bracing piece is fixed to through bracing piece fixed adjust knob on the base, the bracing piece top is connected with fixed montant, be provided with sliding sleeve first and sliding sleeve second on the fixed montant, welding has calibrated scale B on the sliding sleeve first, welding has calibrated scale A on the sliding sleeve second, sliding sleeve second sets up sliding sleeve first's below, calibrated scale A marks the one side of scale is provided with scale first, scale first passes the pivot and passes through scale one adjust knob and fix, pivot fixed knob passes sliding sleeve second is fixed the pivot, one side of scale first is connected with flexible reference ruler perpendicularly, one side of montant fixed adjust knob is provided with montant, montant fixed adjust knob is used for fixed the fixed montant with sliding sleeve first's bar connecting rod, sliding sleeve second is fixed through sliding sleeve second fixed side of fixed montant, one side of connecting rod and one side of sliding sleeve second fixed montant pass through scale first adjust knob pass through fixed connection of scale second, one side of sliding sleeve fixed knob passes through the fixed bar.
In the structure, the base is placed under an operating table of a patient needing operation nailing, the femur needing operation nailing is subjected to perspective through the C-arm perspective machine, the support rod, the first ruler and the fixed vertical rod are rotated according to perspective angle adjustment, the first ruler is in parallel relation with the femur needing nailing, then the telescopic comparison ruler is pulled to stretch and then is adjusted to be parallel to the first ruler, the guide cylinder is finally parallel to the first ruler by rotating the strip-shaped connecting rod, then the vertical rod adjusting button and the fixed adjusting knob of the guide rod are adjusted to be fixed, the fixed vertical rod is adjusted to be high, the guide cylinder and the femur are in the same line, nails in the required nailing device are driven into the femur through the guide cylinder, side penetration and the like of the nails cannot occur due to the fact that the guide and the femur are located in the same line, and after the operation is finished, all components in the structure can be detached and sterilized, and are convenient to use next time.
In order to further improve the height adjustment performance of the intramedullary nail placement guide device at the proximal end of the femur, the support is hollow and is convenient for up-down adjustment of the fixed vertical rod, the fixed vertical rod is fixed through a fixed knob at the outer side of the support rod, and a chute which is opened front and back is arranged in the middle of the fixed vertical rod.
In order to further improve the practicality of the intramedullary nail guide device at the proximal end of the femur, the pointer is arranged on the bar-shaped connecting rod and is convenient to rotate so as to read the dial B, the part of the bar-shaped connecting rod penetrating through the fixed vertical rod is arranged into a cylinder so as to facilitate the rotation of the bar-shaped connecting rod, and the part of the bar-shaped connecting rod penetrating through the cross rod is arranged into a cuboid.
In order to further improve the practicability of the intramedullary nail placement guider at the proximal end of the femur, the telescopic comparison ruler is arranged into three sections, and one side of the cross rod provided with the graduated scale is provided with a hollowed pointer so as to facilitate the reading of the graduated scale.
In order to further improve the stability of a first scale of the femoral proximal intramedullary nail placement guide, the first scale is arranged to be penetrated by the rotating shaft, a hollowed pointer is arranged on the first scale to facilitate reading, threads are arranged on the outer surface of the rotating shaft and the inner surface of an adjusting knob of the first scale, and the angle of the first scale is adjusted conveniently and then is fixed and pressed on the surface of the dial A.
The beneficial effects are that: the invention has simple structure, low cost and simple operation, is convenient for disassembling and assembling the femur to pass through the nailing device laterally in the operation process, and reduces the operation risk.
Drawings
FIG. 1 is an isometric view of a proximal femoral intramedullary nail placement guide according to the present invention;
FIG. 2 is an elevation view of a proximal femoral intramedullary nail placement guide according to the present invention;
FIG. 3 is a left side view partial schematic of a proximal femoral intramedullary nail placement guide according to the present invention;
FIG. 4 is a perspective view of a bar-shaped connecting rod of a proximal femoral intramedullary nail placement guide according to the present invention;
FIG. 5 is a perspective view of the fixed vertical rod of the intramedullary nail placement guide of the proximal femur of the present invention;
FIG. 6 is a perspective view of a sliding sleeve of a proximal femoral intramedullary nail placement guide according to the present invention;
FIG. 7 is a front view of a scale of a proximal femoral intramedullary nail placement guide according to the present invention;
fig. 8 is a schematic view of the clinical application structure of the intramedullary nail guide for the proximal femur of the present invention.
1. A base; 2. the supporting rod is used for fixing an adjusting knob; 3. a support rod; 4. a scale I fixed knob; 5. a first ruler; 6. a dial A; 7. a telescopic comparison ruler; 8. fixing a vertical rod; 9. the vertical rod is fixed with an adjusting knob; 10. a dial B; 11. a guide cylinder; 12. a bar-shaped connecting rod; 13. a graduated scale; 14. a cross bar; 15. the graduated scale fixes the adjusting knob; 16. a bar-shaped connecting rod fixing knob; 17. a second ruler; 18. a rotary shaft fixing knob; 19. a sliding sleeve is used for fixing the knob; 20. a first sliding sleeve; 21. a rotating shaft; 22. the second sliding sleeve is used for fixing the knob; 23. and a second sliding sleeve.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-8, the nail guider is put to proximal femur intramedullary nail, including base 1, bracing piece 3, scale one 5, fixed montant 8, guiding tube 11 and horizontal pole 14, bracing piece 3 is fixed to base 1 through bracing piece fixed adjustment knob 2, bracing piece 3 top is connected with fixed montant 8, be provided with sliding sleeve one 20 and sliding sleeve two 23 on the fixed montant 8, welding has calibrated scale B10 on sliding sleeve one 20, be provided with calibrated scale A6 on sliding sleeve two 23, sliding sleeve two 23 sets up in sliding sleeve one 20's below, calibrated scale A6 marks the one side of scale is provided with scale one 5, scale one 5 passes pivot 21 and is fixed through scale one adjustment knob 4, pivot fixed knob 18 passes sliding sleeve two 23 fixed pivot 21, one side of scale one 5 is connected with flexible reference rule 7 perpendicularly, one side of montant fixed adjustment knob 9 is provided with montant fixed adjustment knob 9, be used for fixed through fixed bar connecting rod 12 of fixed montant 8 and sliding sleeve one 20, sliding sleeve one 20 is fixed at fixed side of fixed montant 8 through sliding sleeve one side of sliding sleeve 19, sliding sleeve two 23 are fixed at fixed side of fixed knob 8 through two fixed knob 22, scale one end of scale one side of fixed rod 12 is connected to the other end of fixed connection bar 14 through scale one end of bar 13 fixed connection bar 13 through scale one end of fixed knob 14, the other end fixed connection bar of bar 13 is fixed through scale bar 13.
In the structure, the base 1 is placed under an operating table of a patient needing operation nailing, the femur needing operation nailing is subjected to perspective through the C-arm perspective machine, the heights of the rotary support rod 3, the first ruler 5 and the fixed vertical rod 8 are adjusted according to the perspective angle, the first ruler 5 is in parallel relation with the femur needing nailing, the telescopic comparison ruler 7 is pulled to be stretched, the graduated scale 13 is adjusted, the strip-shaped connecting rod 12 is rotated, the guide cylinder is finally parallel to the first ruler 5, then the vertical rod adjusting button 9 and the graduated scale fixing adjusting knob 15 are adjusted, the height of the fixed vertical rod 8 is adjusted, the guide cylinder 11 and the femur are arranged on the same line, nails in the required nailing machine are driven into the femur through the guide cylinder 11, the side penetration phenomenon cannot occur on the nails because the guide 12 and the femur are positioned on the same line, and after the operation is finished, all components in the structure can be detached, sterilized and stored for convenient use next time.
In order to further improve the practicality of nail director is put to proximal intramedullary nail of femur, the inside cuboid cavity that is convenient for fix the upper and lower regulation of montant 8, fixed montant 8 is fixed through the fixed knob in the bracing piece 3 outside, be provided with the spout of getting through around fixing the montant 8 in the middle, be provided with the pointer on the bar connecting rod 12 and be convenient for rotate and be the reading to calibrated scale B10, the bar connecting rod 12 passes the part of fixed montant and sets up the rotation of bar connecting rod 12 for the cylinder, flexible rule 7 sets up to the syllabary, the one side that the calibrated scale 13 was equipped with to horizontal pole 14 is provided with the reading of fretwork pointer be convenient for the calibrated scale, scale one 5 sets up to the cuboid that is passed by pivot 21, be provided with the fretwork pointer on the scale one 5 and be convenient for read, pivot 21 surface and scale one adjust knob 4 internal surface all are provided with the screw thread, be convenient for after 5 angle adjustment fix the scale of pressing at calibrated scale A6.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and their equivalents.
Claims (3)
1. The utility model provides a nail director is put to proximal intramedullary nail of femur, includes base, bracing piece, scale one, fixed montant, guide cylinder and horizontal pole, its characterized in that: the support rod is fixed on the base through a support rod fixed adjusting knob, a fixed vertical rod is connected above the support rod, a first sliding sleeve and a second sliding sleeve are arranged on the fixed vertical rod, a dial B is welded on the first sliding sleeve, a dial A is welded on the second sliding sleeve, the second sliding sleeve is arranged below the first sliding sleeve, one surface of the dial A marked with scales is provided with the first staff, the first staff passes through a rotating shaft and is fixed through the first staff adjusting knob, the rotating shaft fixed knob passes through the second sliding sleeve and is fixed with the rotating shaft, one side of the first staff is vertically connected with a telescopic comparison ruler, one side of the dial B is provided with a vertical rod fixed adjusting knob, the vertical rod fixed adjusting knob is used for fixing a bar-shaped connecting rod which passes through the fixed vertical rod and the first sliding sleeve, the first sliding sleeve is fixed on the side surface of the fixed vertical rod through the first sliding sleeve fixed knob, the sliding sleeve II is fixed on the side surface of the fixed vertical rod through a sliding sleeve II fixed knob, the other end of the bar-shaped connecting rod is fixedly connected with one side of the cross rod through a bar-shaped connecting rod fixed knob, a graduated scale penetrates through the other end of the cross rod and is fixedly connected with an adjusting knob through a graduated scale fixed knob, the graduated scale II is connected onto the cross rod, the bottom end of the graduated scale is connected with a guide cylinder, the inside of the supporting rod is cuboid hollow and is convenient for up-and-down adjustment of the fixed vertical rod, the fixed vertical rod is fixed through the fixed knob on the outer side of the supporting rod, a front-and-back opening chute is arranged in the middle of the fixed vertical rod, a pointer is arranged on the bar-shaped connecting rod and is convenient for rotating the reading of the graduated scale B, the part of the bar-shaped connecting rod penetrating the fixed vertical rod is arranged into a cylinder so as to facilitate the rotation of the bar-shaped connecting rod, the part of the bar-shaped connecting rod penetrating through the cross rod is set to be cuboid.
2. The proximal femoral intramedullary nail placement guide of claim 1, wherein: the telescopic comparison ruler is arranged into three sections, and one side of the transverse rod provided with the graduated scale is provided with a hollowed-out pointer which is convenient for the reading of the graduated scale.
3. The proximal femoral intramedullary nail placement guide of claim 1, wherein: the first scale is set to be passed by the pivot cuboid, be provided with the fretwork pointer on the first scale and be convenient for the reading, the pivot surface with first scale adjust knob internal surface all is provided with the screw thread, is convenient for after scale angle adjustment is fixed pressing it the surface of calibrated scale A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313590.1A CN108814704B (en) | 2018-04-10 | 2018-04-10 | Proximal femur intramedullary nail placement guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313590.1A CN108814704B (en) | 2018-04-10 | 2018-04-10 | Proximal femur intramedullary nail placement guider |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108814704A CN108814704A (en) | 2018-11-16 |
| CN108814704B true CN108814704B (en) | 2023-12-22 |
Family
ID=64155303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810313590.1A Active CN108814704B (en) | 2018-04-10 | 2018-04-10 | Proximal femur intramedullary nail placement guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108814704B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113907860B (en) * | 2021-09-14 | 2023-03-31 | 郑州大学第一附属医院 | Auxiliary positioning device for embedding sacroiliac screw |
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| CN201200473Y (en) * | 2008-03-28 | 2009-03-04 | 左永祥 | Hollow nail guider for femur neck |
| CN202060860U (en) * | 2011-04-20 | 2011-12-07 | 马台 | Navigator of intramedullary nail at near end of thighbone |
| CN102349840A (en) * | 2011-09-09 | 2012-02-15 | 东南大学 | Screw placement guider |
| CN203668807U (en) * | 2013-12-31 | 2014-06-25 | 江南造船(集团)有限责任公司 | Spacing ruler tool |
| CN105748143A (en) * | 2016-04-29 | 2016-07-13 | 谢小波 | Femur neck guider |
| CN106137372A (en) * | 2016-07-31 | 2016-11-23 | 黄东生 | Neck of femur guide pin guider |
| CN206675592U (en) * | 2016-12-21 | 2017-11-28 | 倪凤民 | A kind of neck of femur puts nail servicing unit |
| CN107550539A (en) * | 2017-10-16 | 2018-01-09 | 合肥市骨科医院 | Neck bone punches alignment system |
| CN107616832A (en) * | 2017-11-20 | 2018-01-23 | 陈聚伍 | Femoral interlocking nail position adjustment and method of adjustment |
| CN107669325A (en) * | 2017-10-25 | 2018-02-09 | 邓婉坤 | A kind of femoral interlocking nail guide pin alignment system and its application method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013102025A1 (en) * | 2011-12-29 | 2013-07-04 | Synthes Usa, Llc | Suprapatellar insertion system, kit and method |
-
2018
- 2018-04-10 CN CN201810313590.1A patent/CN108814704B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201157401Y (en) * | 2008-02-25 | 2008-12-03 | 梁道臣 | Minimally invasive percutaneous transpedicular surgery positioning guide device |
| CN201200473Y (en) * | 2008-03-28 | 2009-03-04 | 左永祥 | Hollow nail guider for femur neck |
| CN202060860U (en) * | 2011-04-20 | 2011-12-07 | 马台 | Navigator of intramedullary nail at near end of thighbone |
| CN102349840A (en) * | 2011-09-09 | 2012-02-15 | 东南大学 | Screw placement guider |
| CN203668807U (en) * | 2013-12-31 | 2014-06-25 | 江南造船(集团)有限责任公司 | Spacing ruler tool |
| CN105748143A (en) * | 2016-04-29 | 2016-07-13 | 谢小波 | Femur neck guider |
| CN106137372A (en) * | 2016-07-31 | 2016-11-23 | 黄东生 | Neck of femur guide pin guider |
| CN206675592U (en) * | 2016-12-21 | 2017-11-28 | 倪凤民 | A kind of neck of femur puts nail servicing unit |
| CN107550539A (en) * | 2017-10-16 | 2018-01-09 | 合肥市骨科医院 | Neck bone punches alignment system |
| CN107669325A (en) * | 2017-10-25 | 2018-02-09 | 邓婉坤 | A kind of femoral interlocking nail guide pin alignment system and its application method |
| CN107616832A (en) * | 2017-11-20 | 2018-01-23 | 陈聚伍 | Femoral interlocking nail position adjustment and method of adjustment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108814704A (en) | 2018-11-16 |
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