CN107616832B - Femoral intramedullary nail position adjustment system - Google Patents
Femoral intramedullary nail position adjustment system Download PDFInfo
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- CN107616832B CN107616832B CN201711157778.3A CN201711157778A CN107616832B CN 107616832 B CN107616832 B CN 107616832B CN 201711157778 A CN201711157778 A CN 201711157778A CN 107616832 B CN107616832 B CN 107616832B
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Abstract
The invention discloses a femoral intramedullary nail position adjusting system, which is characterized in that a group of horizontal adjusting components capable of being pushed from the side and vertical adjusting components capable of being pushed from the vertical are installed on the basis of a supporting frame capable of being adjusted along three dimensions, the horizontal adjusting components and the vertical adjusting components are respectively aligned to one inclined end of an intramedullary nail in a femur, the horizontal adjusting components and the vertical adjusting components are respectively pushed and adjusted according to the deflection degree of the intramedullary nail until the intramedullary nail in the femur is consistent with the femur direction.
Description
The invention belongs to the technical field of femoral intramedullary nail lock deflection correction medical equipment, and particularly relates to a femoral intramedullary nail position adjustment system.
The intramedullary nail is a minimally invasive treatment method for treating femur fracture, and can be firmly fixed and perform early functional exercise. However, the intramedullary nail is deformed to a certain extent after being implanted into the bone, and the correction difficulty is high, so that multiple drilling holes are often needed to be successful. At present, because the intramedullary nail has higher technical requirements for treating femoral fracture, the technique cannot be fully developed, postoperative pain is a common complication because of intramedullary nail position deviation, and the current solution is not in favor of blocking nail technique, and has great difficulty and poor effect.
Aiming at the current situation that the current intramedullary nail is frequently in deflection in the process of treating femoral fracture and has great correction difficulty and needs to be drilled for multiple times, the invention provides a femoral intramedullary nail position adjusting system, which conveniently solves the problem.
The technical scheme is as follows: the femoral intramedullary nail position adjusting system comprises a fixing part connected with a fixing carrier, wherein a lifting adjusting mechanism and a longitudinal adjusting mechanism are arranged on the fixing part, a vertical sleeve and a horizontal sleeve are respectively arranged on a longitudinal rod of the longitudinal adjusting mechanism, a vertical rod is arranged in the vertical sleeve in a matching manner and is locked by a vertical rod locking pin, a side nut block is fixed at the lower end of the vertical rod, and a side screw rod is transversely arranged in the side nut block; the transverse sleeve is internally provided with a transverse rod in a matching way and locked by a transverse rod locking pin, the tail end of the transverse rod is fixedly provided with an upper nut block, and an upper screw rod is vertically arranged in the upper nut block; the lifting adjusting mechanism is characterized in that a fixed sleeve is arranged on a clamping part, a movable upright post is sleeved in the fixed sleeve in a matching way, a longitudinal sleeve is arranged at the upper end of the movable upright post, a longitudinal rod locking pin is vertically arranged on the side surface of the longitudinal sleeve, and a longitudinal rod of the longitudinal adjusting mechanism is arranged in the longitudinal sleeve in a matching way; the lifting adjusting mechanism is characterized in that a fixed upright post is connected to the upper side of a clamping part, a movable sleeve capable of lifting and sliding is sleeved in the middle of the fixed upright post, an upright post locking pin is arranged on the movable sleeve, a longitudinal sleeve is arranged on the movable sleeve to form a composite longitudinal sleeve, a longitudinal rod locking pin is vertically arranged on the side surface of the longitudinal sleeve, and a longitudinal rod of the longitudinal adjusting mechanism is arranged in the longitudinal sleeve in a matching manner; a vertical rotating shaft and a vertical rotating sleeve are arranged in the middle of the lifting adjusting mechanism, are sleeved together, and a vertical rotating shaft locking pin for locking the vertical rotating shaft is vertically connected to the side wall of the vertical rotating sleeve; the tail end of the side screw or the upper screw is provided with a detachable rotating seat, a groove is arranged in the rotating seat, the groove opening is a convergence opening, and the tail end of the side screw or the upper screw is provided with an expanding part which is inserted into the convergence opening and is not easy to fall off but can rotate.
The invention has the following beneficial effects: after the two-dimensional adjusting frame (lifting adjustment and longitudinal adjustment) is fixed on a carrier, a vertical sleeve and a horizontal sleeve are respectively arranged on a longitudinal rod of a longitudinal adjusting mechanism, a screw rod capable of being horizontally adjusted is downwards arranged on the basis of the vertical sleeve, and a screw rod capable of being vertically adjusted is arranged on one side on the basis of the horizontal sleeve. The offset intramedullary nail in the femur can be corrected by a horizontally adjusted screw and a vertically adjusted screw. The correction means include four combinations: the horizontally-adjusted screw pushes the femur and the vertically-adjusted screw pushes the femur; the horizontally-adjusted screw rod pushes the femur and the vertically-adjusted screw rod pushes the intramedullary nail; the horizontally-adjusted screw rod pushes the intramedullary nail and the vertically-adjusted screw rod pushes the femur; the horizontally-adjusted screw rod pushes the intramedullary nail and the vertically-adjusted screw rod pushes the intramedullary nail. Therefore, according to the inclination condition of the intramedullary nail in the femur, the pushing degrees of the horizontally-adjusted screw rod and the vertically-adjusted screw rod can be respectively controlled, and the correction of any inclination angle of the intramedullary nail is realized. The invention has simple and reasonable structure, convenient use and good effect, and is suitable for popularization and application.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic diagram of a second perspective structure of the present invention.
In the figure, reference numeral 1 is a fixed part, 2 is a fixed sleeve, 2a is a movable sleeve, 3 is a movable upright, 3a is a fixed upright, 4 is an upright locking pin, 5 is a longitudinal sleeve, 5a is a composite longitudinal sleeve, 6 is a longitudinal rod, 7 is a longitudinal sleeve locking pin, 8 is a vertical sleeve, 9 is a vertical rod, 10 is a vertical rod locking pin, 11 is a side nut block, 12 is a side screw, 13 is a transverse sleeve, 14 is a transverse rod, 15 is a transverse rod locking pin, 16 is an upper nut block, 17 is an upper screw, 18 is a vertical rotating shaft, 19 is a vertical rotating sleeve, and 20 is a vertical rotating shaft locking pin.
Example 1: referring to fig. 1, the femoral intramedullary nail position adjustment system includes a fixation member 1 coupled to a fixation carrier. The fixing carrier can be a bed body or a fixing frame such as an instrument bracket, the fixing component 1 can be a clip or other fixing parts, and the fixing component 1 belongs to common parts and is not described in detail.
The fixing member 1 is provided with a lifting adjusting mechanism and a longitudinal adjusting mechanism. Specifically, referring to fig. 1, a fixed sleeve 2 is arranged on a clamping part, a movable upright post 3 is sleeved in the fixed sleeve 2 in a matching way, a longitudinal sleeve is arranged at the upper end of the movable upright post 3, a longitudinal rod 6 locking pin is vertically arranged on the side surface of the longitudinal sleeve, and a longitudinal rod 6 of a longitudinal adjusting mechanism is arranged in the longitudinal sleeve in a matching way.
The vertical sleeve 8 and the horizontal sleeve 13 are respectively arranged on the vertical rod 6 of the longitudinal adjusting mechanism. The vertical sleeve 8 is internally provided with a vertical rod 9 in a matching way and is locked by a vertical rod locking pin 10, the lower end of the vertical rod 9 is fixedly provided with a side nut block 11, and a side screw rod 12 is transversely arranged in the side nut block 11. The transverse sleeve 13 is internally provided with a transverse rod 14 in a matching way and locked by a transverse rod locking pin 15, the tail end of the transverse rod 14 is fixedly provided with an upper nut block 16, and an upper screw rod 17 is vertically arranged in the upper nut block 16.
A detachable rotating seat may be installed at the end of the side screw 12 or the upper screw 17. The swivel mount is alternatively used as required. The detachable rotating seat structure can be provided with a groove in the rotating seat, the groove opening is a convergence opening, the tail end of the side screw rod 12 or the upper screw rod 17 is provided with an expansion part, and the expansion part is inserted into the convergence opening and is not easy to fall off but can rotate. And the rotating seat is easy to be taken down.
Example 2: referring to fig. 2, on the basis of embodiment 1, the lifting adjusting mechanism is to connect a fixed upright post 3a on the upper side of the clamping component, a movable sleeve 2a capable of lifting and sliding is sleeved in the middle of the fixed upright post 3a, an upright post locking pin 4 is installed on the movable sleeve 2a, a longitudinal sleeve is arranged on the movable sleeve 2a to form a composite longitudinal sleeve, a longitudinal rod 6 locking pin is vertically installed on the side surface of the longitudinal sleeve, and a longitudinal rod 6 of the longitudinal adjusting mechanism is installed in the longitudinal sleeve in a matching manner.
Meanwhile, a vertical rotating shaft 18 and a vertical rotating sleeve 19 are arranged in the middle of the lifting adjusting mechanism and are sleeved together, and a vertical rotating shaft locking pin 20 for locking the vertical rotating shaft 18 is vertically connected to the side wall of the vertical rotating sleeve 19. So that the three-dimensional adjusting frame can be rotated and fixed.
Example 3: a femur intramedullary nail position adjusting method, which uses a support frame capable of three-dimensionally adjusting as a base to install a group of horizontal adjusting components capable of pushing from the side and vertical adjusting components capable of pushing from the vertical; the horizontal adjusting component and the vertical adjusting component are respectively aligned with one inclined end of an intramedullary nail in the femur, the inclination degree of the intramedullary nail in the femur is judged by observing the upper part and the side face of the intramedullary nail through X-rays, pushing adjustment is respectively carried out on the horizontal adjusting component and the vertical adjusting component according to the inclination degree, and the adjustment mode comprises that the horizontal adjusting component pushes the femur to be combined with the vertical adjusting component to push the femur; the horizontal adjusting component pushes the femur to be combined with the vertical adjusting component to push the intramedullary nail; the horizontal adjusting component pushes the intramedullary nail to be combined with the vertical adjusting component to push the femur; the horizontal adjusting component pushes the intramedullary nail and the vertical adjusting component pushes the intramedullary nail; when the intramedullary nail in the femur is regulated by the regulating component, the hole is formed on the femur to enable the pushing component to directly prop against the intramedullary nail, and the intramedullary nail in the femur is regulated until the direction of the intramedullary nail in the femur is consistent with that of the femur.
The three-dimensional adjusting support frame can be characterized in that a fixed sleeve 2 is arranged on a clamping part, a movable upright post 3 is sleeved in the fixed sleeve 2 in a matching way, a longitudinal sleeve is arranged at the upper end of the movable upright post 3, a longitudinal rod 6 locking pin is vertically arranged on the side surface of the longitudinal sleeve, and a longitudinal rod 6 of a longitudinal adjusting mechanism is arranged in the longitudinal sleeve in a matching way. The three-dimensional adjusting support frame can also be that a fixed upright post 3a is connected to the upper side of the clamping component, a movable sleeve 2a capable of lifting and sliding is sleeved in the middle of the fixed upright post 3a, an upright sleeve 8 is arranged and provided with an upright post locking pin 4, a longitudinal sleeve is arranged on the movable sleeve 2a to form a composite longitudinal sleeve, a longitudinal rod 6 locking pin is vertically arranged on the side surface of the longitudinal sleeve, and a longitudinal rod 6 of a longitudinal adjusting mechanism is arranged in the longitudinal sleeve in a matching mode.
The middle part of the lifting adjusting mechanism is provided with a vertical rotating shaft 18 and a vertical rotating sleeve 19 which are sleeved together, and the side wall of the vertical rotating sleeve 19 is vertically connected with a vertical rotating shaft locking pin 20 for locking the vertical rotating shaft 18.
When pushing the femur using the adjustment component, a removable rotating seat is optionally mounted at the end of the adjustment component.
Claims (1)
1. The utility model provides a femoral intramedullary nail position adjustment system, includes the fixed part of being connected with the fixed carrier, is provided with lift adjustment mechanism and vertical adjustment mechanism on the fixed part, characterized by: a vertical sleeve and a horizontal sleeve are respectively arranged on a longitudinal rod of the longitudinal adjusting mechanism, a vertical rod is arranged in the vertical sleeve in a matching way and locked by a vertical rod locking pin, a side nut block is fixed at the lower end of the vertical rod, and a side screw rod is transversely arranged in the side nut block; the lifting adjusting mechanism is characterized in that a fixed sleeve is arranged on a clamping part, a movable upright post is sleeved in the fixed sleeve in a matching way, a longitudinal sleeve is arranged at the upper end of the movable upright post, a longitudinal rod locking pin is vertically arranged on the side surface of the longitudinal sleeve, and a longitudinal rod of a longitudinal adjusting mechanism is arranged in the longitudinal sleeve in a matching way; the lifting adjusting mechanism is characterized in that a fixed upright post is connected to the upper side of a clamping part, a movable sleeve capable of lifting and sliding is sleeved in the middle of the fixed upright post, an upright post locking pin is arranged on the movable sleeve, a longitudinal sleeve is arranged on the movable sleeve to form a composite longitudinal sleeve, a longitudinal rod locking pin is vertically arranged on the side surface of the longitudinal sleeve, and a longitudinal rod of the longitudinal adjusting mechanism is arranged in the longitudinal sleeve in a matching manner; a vertical rotating shaft and a vertical rotating sleeve are arranged in the middle of the lifting adjusting mechanism, are sleeved together, and a vertical rotating shaft locking pin for locking the vertical rotating shaft is vertically connected to the side wall of the vertical rotating sleeve; the tail end of the side screw or the upper screw is provided with a detachable rotating seat, a groove is arranged in the rotating seat, the groove opening is a convergence opening, and the tail end of the side screw or the upper screw is provided with an expanding part which is inserted into the convergence opening and is not easy to fall off but can rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157778.3A CN107616832B (en) | 2017-11-20 | 2017-11-20 | Femoral intramedullary nail position adjustment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157778.3A CN107616832B (en) | 2017-11-20 | 2017-11-20 | Femoral intramedullary nail position adjustment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107616832A CN107616832A (en) | 2018-01-23 |
| CN107616832B true CN107616832B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711157778.3A Active CN107616832B (en) | 2017-11-20 | 2017-11-20 | Femoral intramedullary nail position adjustment system |
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| CN (1) | CN107616832B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814704B (en) * | 2018-04-10 | 2023-12-22 | 谢小波 | Proximal femur intramedullary nail placement guider |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2662844Y (en) * | 2003-08-27 | 2004-12-15 | 王庆贤 | Improved femoral intramedullary nail aiming instrument |
| CN201847767U (en) * | 2010-10-28 | 2011-06-01 | 常州康鼎医疗器械有限公司 | Far-end aiming device for lengthened intramedullary nail |
| CN103006310A (en) * | 2012-11-20 | 2013-04-03 | 上海市浦东新区公利医院 | Femoral nail embedding reductor |
| CN204219020U (en) * | 2014-06-20 | 2015-03-25 | 戚珊红 | A kind of locating hole of interlocking intramedullary nail sight offsets correcting device again |
| CN207125784U (en) * | 2017-11-20 | 2018-03-23 | 陈聚伍 | Femoral interlocking nail position adjustment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979887B (en) * | 2014-02-12 | 2019-03-08 | 斯韦麦克创新股份公司 | Target device and method |
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2017
- 2017-11-20 CN CN201711157778.3A patent/CN107616832B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2662844Y (en) * | 2003-08-27 | 2004-12-15 | 王庆贤 | Improved femoral intramedullary nail aiming instrument |
| CN201847767U (en) * | 2010-10-28 | 2011-06-01 | 常州康鼎医疗器械有限公司 | Far-end aiming device for lengthened intramedullary nail |
| CN103006310A (en) * | 2012-11-20 | 2013-04-03 | 上海市浦东新区公利医院 | Femoral nail embedding reductor |
| CN204219020U (en) * | 2014-06-20 | 2015-03-25 | 戚珊红 | A kind of locating hole of interlocking intramedullary nail sight offsets correcting device again |
| CN207125784U (en) * | 2017-11-20 | 2018-03-23 | 陈聚伍 | Femoral interlocking nail position adjustment |
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| Publication number | Publication date |
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| CN107616832A (en) | 2018-01-23 |
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