CN112168279B - Intramedullary fixed drilling support for femoral head - Google Patents
Intramedullary fixed drilling support for femoral head Download PDFInfo
- Publication number
- CN112168279B CN112168279B CN202010883597.4A CN202010883597A CN112168279B CN 112168279 B CN112168279 B CN 112168279B CN 202010883597 A CN202010883597 A CN 202010883597A CN 112168279 B CN112168279 B CN 112168279B
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- adjusting
- drill bit
- fixing frame
- frame
- inner fixing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1664—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip
- A61B17/1668—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip for the upper femur
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
- A61B17/175—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for preparing the femur for hip prosthesis insertion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4675—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for cleaning or coating bones, e.g. bone cavities, prior to endoprosthesis implantation or bone cement introduction
Abstract
The invention discloses a femoral head intramedullary fixation type drilling support which comprises an inner fixing frame, a guide adjusting mechanism and a drill bit, wherein one end of the inner fixing frame is fixed on a large rotor, the other end of the inner fixing frame is supported on a femoral body, the guide adjusting mechanism is arranged on the inner fixing frame in a sliding mode, the drill bit is arranged on the guide adjusting mechanism, and the guide adjusting mechanism drives the drill bit to be adjusted to a preset position and a preset angle on the inner fixing frame to form locking. One end of the inner fixing frame is fixed on the large rotor, so that the connection stability of the inner fixing frame is ensured. The other end is supported on the femoral body, and the inner fixing frame is supported in an auxiliary way to enhance the stability of the inner fixing frame. The guiding and adjusting mechanism ensures that the drill bit can accurately drill to the focus part at the optimal position and the optimal angle. The guiding and adjusting mechanism drives the drill bit to be adjusted to a preset position and a preset angle on the inner fixing frame to form locking, so that the guiding and adjusting mechanism has a stable guiding effect on the drill bit. The invention has the advantages of reliable use, simple operation and easy maintenance.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a femoral head intramedullary fixed drilling bracket.
Background
The femoral head necrosis is a common orthopedic disease, also called ischemic femoral head necrosis, symptoms such as pain, claudication, joint stiffness, hip joint function limitation and the like usually appear after a patient suffers from the disease, if attention is not drawn in time, the femoral head necrosis can be freely developed, the caplet change of the femoral head and the bone collapse can be gradually caused, further hip arthritis is formed, and the work and life quality of the patient is seriously affected.
The femoral head necrosis needs interventional operation treatment in the early collapse stage, so that the femoral head of the patient is kept to the maximum extent, and further collapse and damage are avoided. The femoral head necrosis bone transplantation is one of femoral head hip protecting operation treatment means, is suitable for early femoral head necrosis, and is especially suitable for patients with small pathological change range, non-collapsed bones and light age. The femoral head hip protection operation is to implant a bone flap with blood circulation by thoroughly removing focus. When the focus is removed, a certain cervical shaft angle and a forward inclination angle are kept below the femoral greater trochanter through X-ray fluoroscopy to drill a hole in the femoral head, so that the tip of the drill reaches the focus area of the femur. Once the necrotic bone tissue is completely removed, the surgical effect is directly affected. However, at present, no auxiliary tool for removing the focus, which is reliable in use, accurate in positioning and convenient to operate, is available, and can accurately position the drill bit to directly reach the focus position.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art, and provides a femoral head intramedullary fixation type drilling bracket which can realize accurate guiding and positioning of a focus clearing drill bit, is reliable to use, convenient to adjust, simple to operate and easy to maintain.
In order to solve the technical problems, the invention adopts the following technical scheme:
the intramedullary fixed drilling bracket for the femoral head comprises an inner fixing frame, a guide adjusting mechanism and a drill bit, wherein one end of the inner fixing frame is fixed on a greater rotor, the other end of the inner fixing frame is supported on a femoral body, the guide adjusting mechanism is arranged on the inner fixing frame in a sliding mode, the drill bit is arranged on the guide adjusting mechanism, and the guide adjusting mechanism drives the drill bit to be adjusted to a preset position and a preset angle on the inner fixing frame to form locking.
The inner fixing frame is provided with a sliding groove used for penetrating through the guide adjusting mechanism, and the guide adjusting mechanism comprises a position adjusting component used for adjusting the drilling position of the drill bit and an angle adjusting component used for adjusting the drilling angle of the drill bit.
The position adjustment component comprises an axial movement component for adjusting the drill bit to move relative to the axial direction of the femoral head and a radial movement component for adjusting the drill bit to move relative to the radial direction of the femoral head.
The axial moving assembly comprises a sliding box and a first locking screw, one side of the sliding box is provided with a groove used for being clamped on the inner fixing frame, and one side of the groove is provided with the first locking screw used for locking the position of the sliding box on the inner fixing frame.
The radial movement assembly comprises a sliding rod, a gear shaft and a second locking screw, the sliding rod penetrates through the axial movement assembly and moves on the inner fixing frame along with the axial movement assembly, a rack is arranged on one side of the sliding rod, the gear shaft is arranged in the axial movement assembly and meshed with the rack end of the sliding rod to drive the sliding rod to move to a preset radial position, and the second locking screw is arranged at the upper end of the axial movement assembly and used for locking the position of the sliding rod on the axial movement assembly.
The angle adjusting component comprises a vertical angle adjusting component used for adjusting the vertical angle of the drill bit and a transverse angle adjusting component used for adjusting the transverse angle of the drill bit.
The vertical angle adjusting assembly comprises an assembly shell, a driving gear, a deflection frame and a third locking screw, the assembly shell is fixedly arranged at one end of the radial moving assembly, one end of the deflection frame is provided with a gear, the other end of the deflection frame is a U-shaped deflection frame, the driving gear and the deflection frame which are meshed with each other are arranged in the assembly shell, the driving gear drives the deflection frame to rotate to a preset vertical angle, and the third locking screw for locking the rotation angle of the driving gear is arranged on the assembly shell.
The horizontal angle adjusting assembly comprises an adjusting seat, a guide sleeve and a fourth locking screw, the adjusting seat is installed on the vertical angle adjusting assembly and rotates to a preset horizontal angle, the vertical angle adjusting assembly is provided with the fourth locking screw for locking the rotating angle of the adjusting seat, and the guide sleeve is sleeved in the adjusting seat in a detachable connection mode.
The inner fixing frame comprises a fixing screw, a supporting frame and a supporting rod, wherein one end of the supporting frame is provided with the fixing screw, the supporting frame is fixed on the large rotor through the fixing screw, and the other end of the supporting frame is provided with the supporting rod supported on the femoral body.
And scales are arranged on the inner fixing frame and the guide adjusting mechanism.
Compared with the prior art, the invention has the advantages that:
according to the intramedullary fixed drilling bracket for the femoral head, one end of the internal fixing frame is fixed on the greater trochanter, so that the internal fixing frame and the femoral head are kept relatively fixed, the internal fixing frame is prevented from slipping, and the connection stability of the internal fixing frame is ensured. The other end of the inner fixing frame is supported on the femoral shaft to assist in supporting the inner fixing frame, so that the inner fixing frame is prevented from loosening due to moment generated by compression of the inner fixing frame, the stability of the inner fixing frame is enhanced, the load on the fixed end of the inner fixing frame is reduced, and fracture caused by large stress borne by the femoral head contacted with the fixed end is avoided. The guiding and adjusting mechanism plays a role in guiding and adjusting the drill bit, so that the drill bit is ensured to accurately drill to a focus part at the optimal position and the optimal angle. The guide adjusting mechanism is arranged on the inner fixing frame in a sliding mode, so that the position of the guide adjusting mechanism can be adjusted conveniently, and the guide and the positioning of the drill bit can be matched well. The guiding and adjusting mechanism drives the drill bit to be adjusted to a preset position and a preset angle on the inner fixing frame to form locking, so that the guiding and adjusting mechanism has a stable guiding effect on the drill bit. The invention also has the advantages of reliable use, simple operation and easy maintenance.
Drawings
Fig. 1 is a front view structural diagram of a femoral head intramedullary fixation type drilling bracket.
Fig. 2 is a schematic perspective view of a femoral head intramedullary fixation drilling bracket.
Fig. 3 is a schematic view of a split three-dimensional structure of a femoral head intramedullary fixation type drilling bracket.
Fig. 4 is a schematic diagram of a split three-dimensional structure of the guiding and adjusting mechanism.
Fig. 5 is a perspective view of the axial moving assembly.
Illustration of the drawings:
1. an inner fixing frame; 11. a chute; 12. a set screw; 13. a support frame; 14. a support rod; 2. a guide adjusting mechanism; 21. a position adjusting member; 211. an axial movement assembly; 2111. a slide box; 2112. a first locking screw; 2113. a groove; 212. a radial movement assembly; 2121. a slide bar; 2122. a gear shaft; 2123. a second locking screw; 22. an angle adjusting member; 221. a vertical angle adjustment assembly; 2211. a component housing; 2212. a driving gear; 2213. a deflection frame; 2214. a third locking screw; 222. a lateral angle adjustment assembly; 2221. an adjusting seat; 2222. a guide sleeve; 2223. a fourth locking screw; 3. a drill bit; 4. and (4) calibration.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1 to 5, in the present embodiment, the locking device includes an internal fixing frame 1, a guiding adjustment mechanism 2 and a drill bit 3, one end of the internal fixing frame 1 is fixed on the large rotor, the other end is supported on the femoral body, the guiding adjustment mechanism 2 is slidably disposed on the internal fixing frame 1, the drill bit 3 is mounted on the guiding adjustment mechanism 2, and the guiding adjustment mechanism 2 drives the drill bit 3 to be adjusted to a predetermined position and a predetermined angle on the internal fixing frame 1 to form locking. One end of the internal fixing frame 1 is fixed on the greater trochanter, so that the internal fixing frame 1 and the femoral head are kept relatively fixed, the internal fixing frame 1 is prevented from sliding, and the connection stability of the internal fixing frame 1 is ensured. The other end of the inner fixing frame is supported on the femoral shaft to assist in supporting the inner fixing frame 1, so that the inner fixing frame 1 is prevented from loosening due to moment generated by compression of the inner fixing frame 1, the stability of the inner fixing frame 1 is enhanced, the load on the fixed end of the inner fixing frame 1 is reduced, and fracture caused by large stress borne by the femoral head contacted with the fixed end is avoided. The guiding and adjusting mechanism 2 plays a role in guiding and adjusting the drill bit 3, so that the drill bit 3 is ensured to accurately drill to a focus part at the optimal position and the optimal angle. The guide adjusting mechanism 2 is slidably arranged on the inner fixing frame 1, so that the position of the guide adjusting mechanism 2 can be conveniently adjusted, and the guide and the positioning of the drill bit 3 can be better matched. The guiding and adjusting mechanism 2 drives the drill bit 3 to be adjusted to a preset position and a preset angle on the inner fixing frame 1 to form locking, so that the guiding and adjusting mechanism 2 has a stable guiding effect on the drill bit 3. The embodiment also has the advantages of reliable use, simple operation and easy maintenance.
In this embodiment, the internal fixation frame 1 is provided with a chute 11 for penetrating the guiding and adjusting mechanism 2, and the guiding and adjusting mechanism 2 comprises a position adjusting component 21 for adjusting the drilling position of the drill bit 3 and an angle adjusting component 22 for adjusting the drilling angle of the drill bit 3. The sliding chute 11 is convenient for the guiding and adjusting mechanism 2 to slide to a proper position on the inner fixing frame 1, and is convenient for the adjustment of the guiding and adjusting mechanism 2. The position adjusting part 21 moves the drill bit 3 to a proper drilling position. The angle adjusting part 22 drives the drill bit 3 to deflect to a proper drilling angle.
In this embodiment, the position adjustment member 21 includes an axial movement assembly 211 for adjusting the movement of the drill bit 3 relative to the femoral head in the axial direction and a radial movement assembly 212 for adjusting the movement of the drill bit 3 relative to the femoral head in the radial direction. The axial moving component 211 drives the drill bit 3 to move along the axial direction of the femoral head, the radial moving component 212 drives the drill bit 3 to move along the radial direction of the femoral head, and the function of position adjustment is realized by driving the drill bit 3 to move along the axial direction and the radial direction.
In this embodiment, the axial moving component 211 comprises a sliding box 2111 and a first locking screw 2112, a groove 2113 for clamping on the internal fixing frame 1 is arranged on one side of the sliding box 2111, and the first locking screw 2112 for locking the position of the sliding box 2111 on the internal fixing frame 1 is arranged on one side of the groove 2113. The groove 2113 is clamped on the internal fixing frame 1, so that the slide box 2111 can slide along the internal fixing frame 1. When sliding to the proper position, the slide box 2111 is locked to the internal fixation frame 1 by the first locking screw 2112, and the position of the slide box 2111 is kept stable. The axial moving component 211 has a compact structure, is convenient to adjust and is not easy to generate clamping stagnation.
In this embodiment, the radial moving component 212 includes a sliding rod 2121, a gear shaft 2122 and a second locking screw 2123, the sliding rod 2121 penetrates through the axial moving component 211 and moves on the internal fixing frame 1 along with the axial moving component 211, a rack is disposed on one side of the sliding rod 2121, the gear shaft 2122 is disposed in the axial moving component 211 and is engaged with a rack end of the sliding rod 2121 to drive the sliding rod 2121 to move to a predetermined radial position, and the second locking screw 2123 is disposed at an upper end of the axial moving component 211 and is used for locking a position of the sliding rod 2121 on the axial moving component 211. The sliding rod 2121 is driven to move along the femoral head in the radial direction by rotating the gear shaft 2122, and is locked by the second locking screw 2123 after moving to a predetermined position. The radial movement assembly 212 is convenient to adjust, compact in structure and stable in operation.
In the present embodiment, the angle adjusting part 22 includes a vertical angle adjusting assembly 221 for adjusting the vertical angle of the drill bit 3 and a lateral angle adjusting assembly 222 for adjusting the lateral angle of the drill bit 3. The vertical angle adjusting assembly 221 drives the drill bit 3 to deflect in a vertical plane, the horizontal angle adjusting assembly 222 drives the drill bit 3 to deflect in a horizontal plane, and the function of angle adjustment is realized by driving the drill bit 3 to deflect in the vertical and horizontal directions.
In this embodiment, the vertical angle adjusting assembly 221 includes an assembly housing 2211, a driving gear 2212, a deflecting frame 2213 and a third locking screw 2214, the assembly housing 2211 is fixedly mounted at one end of the radial moving assembly 212, one end of the deflecting frame 2213 is provided with a gear, the other end is provided with a U-shaped deflecting frame 2213, the assembly housing 2211 is internally provided with the driving gear 2212 and the deflecting frame 2213 which are engaged with each other, the driving gear 2212 drives the deflecting frame 2213 to rotate to a predetermined vertical angle, and the assembly housing 2211 is provided with the third locking screw 2214 for locking the rotation angle of the driving gear 2212. By shifting the driving gear 2212, the deflector 2213 is driven to rotate, so as to adjust the vertical angle. After the angle is changed to a proper angle, the driving gear 2212 is locked by the third locking screw 2214, so that the deflection frame 2213 maintains the deflection angle. The vertical angle adjusting assembly 221 also has the advantages of convenient adjustment, simple operation, compact structure and ingenious design.
In this embodiment, the horizontal angle adjusting assembly 222 includes an adjusting seat 2221, a guiding sleeve 2222 and a fourth locking screw 2223, the adjusting seat 2221 is mounted on the vertical angle adjusting assembly 221 and rotates to a predetermined horizontal angle, the vertical angle adjusting assembly 221 is provided with the fourth locking screw 2223 for locking the rotation angle of the adjusting seat 2221, and the guiding sleeve 2222 is detachably sleeved in the adjusting seat 2221. The adjusting seat 2221 is installed on the vertical angle adjusting assembly 221, and is locked by a fourth locking screw 2223 after being adjusted to a proper angle. The guide housing 2222 is removably received in the adjustment receptacle 2221 to facilitate quick replacement of the guide housing 2222 to accommodate different drill bit 3 diameters. The transverse angle adjusting assembly 222 has the advantages of stable structure, simple operation, convenient adjustment and the like.
In this embodiment, the internal fixation frame 1 includes a fixing screw 12, a support frame 13 and a support rod 14, the support frame 13 is provided with the fixing screw 12 at one end and fixes the support frame 13 to the greater trochanter through the fixing screw 12, and the support frame 13 is provided with the support rod 14 supported on the femoral shaft at the other end. Preferably, the fixing screw 12 is provided with an axial concentric through hole, so that the fixing screw can be conveniently drilled along a guide pin which is drilled in advance, and is in threaded connection with the large rotor, thereby avoiding the deviation of the fixing screw 12 during drilling. The support frame 13 functions to support the guide adjustment mechanism 2. The supporting rod 14 is supported on the femoral shaft, shares the load of the fixing screw 12, and plays a role of auxiliary support for the supporting frame 13, and the supporting rod 14 has a small cross section area, so that the wound of the patient is small during the operation, and the recovery is easy after the operation. The supporting frame 13 is supported on the femoral head through two ends, and the main body of the supporting frame 13 is arranged outside the muscle of the patient, so that the internal fixing frame 1 can be easily held during operation, the wound generated by the patient is small, and the postoperative recovery is easy.
In this embodiment, the inner fixing frame 1 and the guiding and adjusting mechanism 2 are both provided with scales 4. The inner fixing frame 1 and the guide adjusting mechanism 2 can be accurately adjusted conveniently, so that the precision of the drill bit 3 for drilling into the focus position is improved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the invention are to be considered as within the scope of the invention.
Claims (7)
1. The intramedullary fixed drilling bracket for the femoral head is characterized in that: including internal fixation frame (1), direction adjustment mechanism (2) and drill bit (3), internal fixation frame (1) one end is fixed on the greater trochanter, and the other end supports on the thighbone body, including direction adjustment mechanism (2) slide to be established on mount (1), install on direction adjustment mechanism (2) drill bit (3), direction adjustment mechanism (2) drive drill bit (3) including adjust to preset position and predetermined angle after form the locking, internal fixation frame (1) are equipped with spout (11) that are used for wearing to establish direction adjustment mechanism (2), direction adjustment mechanism (2) are including being used for adjusting position adjusting part (21) that drill bit (3) bored the position and angle adjusting part (22) that are used for adjusting drill bit (3) and bore the angle, position adjusting part (21) are including being used for adjusting axial displacement subassembly (211) that drill bit (3) moved relative femoral head axial direction and being used for adjusting drill bit (3) relative femoral head axial direction ) The axial moving assembly (211) comprises a sliding box (2111) and first locking screws (2112), a groove (2113) used for being clamped on the inner fixing frame (1) is formed in one side of the sliding box (2111), and the first locking screws (2112) used for locking the position of the sliding box (2111) on the inner fixing frame (1) are arranged in one side of the groove (2113).
2. The femoral head intramedullary fixation drill mount of claim 1, wherein: the radial movement assembly (212) comprises a sliding rod (2121), a gear shaft (2122) and a second locking screw (2123), the sliding rod (2121) penetrates through the axial movement assembly (211) and moves on the inner fixing frame (1) along with the axial movement assembly (211), a rack is arranged on one side of the sliding rod (2121), the gear shaft (2122) is arranged in the axial movement assembly (211) and meshed with the rack end of the sliding rod (2121) to drive the sliding rod (2121) to move to a preset radial position, and the second locking screw (2123) is arranged at the upper end of the axial movement assembly (211) and used for locking the position of the sliding rod (2121) on the axial movement assembly (211).
3. The femoral head intramedullary fixation drill mount of claim 1, wherein: the angle adjusting component (22) comprises a vertical angle adjusting component (221) used for adjusting the vertical angle of the drill bit (3) and a transverse angle adjusting component (222) used for adjusting the transverse angle of the drill bit (3).
4. The femoral head intramedullary fixation drill support of claim 3, wherein: vertical angle adjusting part (221) includes subassembly casing (2211), driving gear (2212), deflection frame (2213) and third locking screw (2214), subassembly casing (2211) is adorned admittedly in radial movement subassembly (212) one end, deflection frame (2213) one end is equipped with the gear, and the other end is the U type, be equipped with intermeshing's driving gear (2212) and deflection frame (2213) in subassembly casing (2211), driving gear (2212) drive deflection frame (2213) and rotate to predetermined vertical angle, be equipped with third locking screw (2214) of locking driving gear (2212) turned angle on subassembly casing (2211).
5. The femoral head intramedullary fixation drill mount of claim 4, wherein: the transverse angle adjusting assembly (222) comprises an adjusting seat (2221), a guide sleeve (2222) and a fourth locking screw (2223), the adjusting seat (2221) is installed on the vertical angle adjusting assembly (221) and rotates to a preset transverse angle, the vertical angle adjusting assembly (221) is provided with the fourth locking screw (2223) for locking the rotating angle of the adjusting seat (2221), and the guide sleeve (2222) is sleeved in the adjusting seat (2221) in a detachable connection mode.
6. The intramedullary fixed drilling mount of a femoral head according to any one of claims 1 to 5, wherein: the inner fixing frame (1) comprises fixing screws (12), a supporting frame (13) and supporting rods (14), wherein one end of the supporting frame (13) is provided with the fixing screws (12) and the supporting frame (13) is fixed on the greater trochanter through the fixing screws (12), and the other end of the supporting frame (13) is provided with the supporting rods (14) supported on the femoral components.
7. The intramedullary fixed drilling mount of a femoral head according to any one of claims 1 to 5, wherein: scales (4) are arranged on the inner fixing frame (1) and the guide adjusting mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010883597.4A CN112168279B (en) | 2020-08-28 | 2020-08-28 | Intramedullary fixed drilling support for femoral head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010883597.4A CN112168279B (en) | 2020-08-28 | 2020-08-28 | Intramedullary fixed drilling support for femoral head |
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| CN112168279A CN112168279A (en) | 2021-01-05 |
| CN112168279B true CN112168279B (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010883597.4A Active CN112168279B (en) | 2020-08-28 | 2020-08-28 | Intramedullary fixed drilling support for femoral head |
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| CN116786868B (en) * | 2023-08-28 | 2023-11-07 | 合肥合锻智能制造股份有限公司 | Drilling tool for outer circular surface of R head of connecting rod |
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| CN101742972A (en) * | 2007-05-14 | 2010-06-16 | 金斯顿女王大学 | The surgical guidance tool of patient's special use and using method thereof |
| CN204951065U (en) * | 2015-09-11 | 2016-01-13 | 张兴华 | High accuracy drilling equipment for orthopedics |
| CN106618719A (en) * | 2017-01-11 | 2017-05-10 | 海口市人民医院 | Hollow lag screw guide pin aiming fixator for restoration of lesser trochanter of thigh bone from rear side |
| CN209392072U (en) * | 2018-11-20 | 2019-09-17 | 新疆澳博瑞盛三帝智能科技有限公司 | Near end of thighbone transverse direction bone moves external fixing rack |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4141153A1 (en) * | 1991-12-13 | 1993-06-17 | Pennig Dietmar | GUIDE DEVICE FOR INSERTING A LEG SCREW |
| US8617176B2 (en) * | 2011-08-24 | 2013-12-31 | Depuy Mitek, Llc | Cross pinning guide devices and methods |
| CN209018859U (en) * | 2018-08-09 | 2019-06-25 | 林克骨科（中国）有限公司 | Proximal humerus osteotomy guider |
| CN110063779A (en) * | 2019-05-23 | 2019-07-30 | 陈聚伍 | Visualize intra medullary nail far-end pointing instrumentation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101742972A (en) * | 2007-05-14 | 2010-06-16 | 金斯顿女王大学 | The surgical guidance tool of patient's special use and using method thereof |
| CN204951065U (en) * | 2015-09-11 | 2016-01-13 | 张兴华 | High accuracy drilling equipment for orthopedics |
| CN106618719A (en) * | 2017-01-11 | 2017-05-10 | 海口市人民医院 | Hollow lag screw guide pin aiming fixator for restoration of lesser trochanter of thigh bone from rear side |
| CN209392072U (en) * | 2018-11-20 | 2019-09-17 | 新疆澳博瑞盛三帝智能科技有限公司 | Near end of thighbone transverse direction bone moves external fixing rack |
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| CN112168279A (en) | 2021-01-05 |
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