CN215688360U - External guider of customization shin bone dead lever - Google Patents
External guider of customization shin bone dead lever Download PDFInfo
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- CN215688360U CN215688360U CN202023311722.9U CN202023311722U CN215688360U CN 215688360 U CN215688360 U CN 215688360U CN 202023311722 U CN202023311722 U CN 202023311722U CN 215688360 U CN215688360 U CN 215688360U
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- connecting rod
- intramedullary nail
- guiding
- tibia
- rod
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Abstract
The utility model discloses an external guider for customizing a tibial fixing rod, which comprises a bracket, a connecting rod, a locking screw and an intramedullary nail guiding auxiliary frame; the bracket is a straight rod body, a first threaded hole is formed in the bracket, the connecting rod comprises a first connecting rod, a second connecting rod and a guide head, a second threaded hole is formed in the first connecting rod, one end of the second connecting rod is vertically connected with the first connecting rod, the other end of the second connecting rod is connected with the guide head, and the guide head is parallel to the first connecting rod; the rod body of the first connecting rod is parallel to the bracket, the second threaded hole is concentric with the first threaded hole, and the locking screw is connected with the first threaded hole and the second threaded hole; the intramedullary nail guiding auxiliary frame is connected with the bracket, and an intramedullary nail guiding hole is arranged on the intramedullary nail guiding auxiliary frame. The utility model has the advantages of simple structure and accurate positioning, the tibia fixing rod body is positioned by the external guider and enters the tibia medullary cavity from the distal end of the tibia of a patient, and the external guiding screw-in of the intramedullary nail is carried out after the tibia fixing rod body is positioned to the proximal end of the tibia, so as to fix the intramedullary nail.
Description
Technical Field
The utility model belongs to the technical field of orthopedic medical instruments, and particularly relates to an external guider for a customized tibial fixing rod.
Background
The tibia, which is an important weight-bearing bone of the human body, is a main component of the lower limb. The tibialis and subtalar joints serve as important components of the ankle-hindfoot complex and serve the functions of maintaining weight-bearing walking of the lower extremities and maintaining normal ankle mobility. However, secondary tibialis distal joint and subtalar joint lesions may be caused by trauma of ankle joints or hind feet and malignant bone tumors and other diseases, serious pain and walking dysfunction are caused, and for patients who cannot obtain satisfactory curative effect in conservative treatment, the pain can be better relieved and the function can be recovered through surgical treatment. If the focus is completely removed, the far end of the tibia and the ankle joint are replaced. In a case, except for the need of cutting off the far end of the tibia and the ankle joint, the normal function of the tibia can only be reserved to the near end of the tibia, but the tibia part can be reserved, a tibia fixing rod for connecting the near end of the tibia and the far end of the tibia is required to be implanted after the near end of the tibia and the tibia are reserved, when the tibia fixing rod is implanted, the tibia fixing rod is required to be connected and fixed with the near end of the tibia and the tibia through intramedullary nails at two ends of the tibia fixing rod in a multi-angle mode, and because the case is rare, a customized external tibial fixing rod guider with similar functions is not disclosed in the prior art.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
Aiming at the problems that in the prior art, except for the need of cutting off the far end of the tibia and the ankle joint, the normal function of the tibia can only be reserved to the near end of the tibia, but the tibia part can be reserved, a tibia fixing rod for connecting the near end of the tibia and the far end of the tibia needs to be implanted after the near end of the tibia and the tibia are reserved, and when the tibia fixing rod is implanted, the tibia fixing rod needs to be connected and fixed with the near end of the tibia and the tibia at multiple angles through an intramedullary nail at two ends of the tibia fixing rod, and because the case is rare, a customized external tibial fixing rod guider with similar functions and the like are not disclosed in the prior art, the utility model aims to provide the customized external tibial fixing rod guider which has simple structure and accurate positioning, a tibial fixing rod body is positioned by the external guider, enters a tibial medullary cavity from the far end of the tibia of a patient, and is positioned to the near end of the tibia for external guiding and screwing of the intramedullary nail, the two ends of the tibia are respectively fixedly connected with the proximal end of the tibia and the tibia.
3. Technical scheme
In order to achieve the purpose and achieve the technical effect, the utility model adopts the following technical scheme:
an external guider for customizing a tibial fixing rod is characterized by comprising a bracket, a connecting rod, a locking screw and an intramedullary nail guiding auxiliary frame; the support is a straight rod body, a first threaded hole is formed in the support, the connecting rod comprises a first connecting rod, a second connecting rod and a guide head, a second threaded hole is formed in the first connecting rod, one end of the second connecting rod is vertically connected with the first connecting rod, the other end of the second connecting rod is connected with the guide head, and the guide head is parallel to the first connecting rod; the rod body of the first connecting rod is parallel to the bracket, the second threaded hole is concentric with the first threaded hole, and the locking screw is connected with the first threaded hole and the second threaded hole; the intramedullary nail guiding auxiliary frame is connected with the support, an intramedullary nail guiding hole is formed in the intramedullary nail guiding auxiliary frame, and the axis of the intramedullary nail guiding hole is perpendicular to the axis of the guiding head.
In a specific embodiment of the utility model, the second connecting rod is provided with a plurality of through holes, so that the weight of the guide head is reduced.
In a specific embodiment of the utility model, the intramedullary nail guiding auxiliary frames are arranged on the bracket and are manufactured according to the positions of intramedullary nail holes on the tibial fixing rod, the intramedullary nail guiding auxiliary frames are respectively arranged on the bracket at the side close to the guiding head and the bracket at the side far away from the guiding head, the intramedullary nail guiding auxiliary frame at the side close to the guiding head is used for guiding the intramedullary nail holes on the tibial fixing rod at the position of the femur, and the intramedullary nail guiding auxiliary frame at the side far away from the guiding head is used for guiding the intramedullary nail holes on the tibial fixing rod at the proximal end of the femur.
In a specific embodiment of the present invention, the first connecting rod, the second connecting rod and the guide head of the connecting rod are integrally formed.
In a specific embodiment of the utility model, the support and the intramedullary nail guiding auxiliary frame are integrally machined.
When the bracket is used, the second threaded hole in the first connecting rod is concentric with the first threaded hole in the bracket, and the bracket and the first connecting rod are fixedly connected by using the locking screw. The tibia fixing rod is inserted into the guide head along one side of the tibia far end close to the axial direction, the tibia fixing rod is implanted into a human body and is in butt joint with the tibia near end, the position of an intramedullary nail hole of the tibia fixing rod is found through an intramedullary nail guide hole in the intramedullary nail guide auxiliary frame, an intramedullary nail is screwed in, and the tibia fixing rod and the tibia near end are fixed.
3. Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: simple structure, the location is accurate, and the fixed body of rod of shin bone is fixed a position by this external director and is followed patient's shin bone distal end and get into shin bone marrow chamber, fixes a position and carries out the external direction of intramedullary nail and twist behind the shin bone proximal end, carries out fixed connection with its both ends respectively with shin bone proximal end, shin bone.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the external guide for a customized tibial fixation rod of the present invention.
Fig. 2 is a top view of the external guide for a customized tibial fixation rod of the present invention.
Fig. 3 is a schematic top view of the stand of the present invention.
FIG. 4 is a schematic view of a first connecting rod according to the present invention.
In the figure: 1-a scaffold; 2-locking the screw; 3-intramedullary nail guiding auxiliary frame; 4-a first threaded hole; 5-a first connecting rod; 6-a second connecting rod; 7-a guide head; 8-a second threaded hole; 9-intramedullary nail guiding hole; 10-through hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.
As shown in fig. 1 to 4, an external guide for a customized tibial fixation rod is characterized by comprising a bracket 1, a connecting rod, a locking screw 2 and an intramedullary nail guide auxiliary frame 3; the support 1 is a straight rod body, a first threaded hole 4 is formed in the support 1, the connecting rod comprises a first connecting rod 5, a second connecting rod 6 and a guide head 7, a second threaded hole 8 is formed in the first connecting rod 5, one end of the second connecting rod 6 is vertically connected with the first connecting rod 5, the other end of the second connecting rod 6 is connected with the guide head 7, and the guide head 7 is parallel to the first connecting rod 5; the rod body of the first connecting rod 5 is parallel to the bracket 1, the second threaded hole 8 is concentric with the first threaded hole 4, and the locking screw 2 is connected with the first threaded hole 4 and the second threaded hole 8; the intramedullary nail guiding auxiliary frame 3 is connected with the bracket 1, an intramedullary nail guiding hole 9 is arranged on the intramedullary nail guiding auxiliary frame 3, and the axis of the intramedullary nail guiding hole 9 is vertical to the axis of the guiding head 7.
The second connecting rod 6 is provided with a plurality of through holes 10, so that the weight of the guide head 7 is reduced.
The intramedullary nail guiding auxiliary frame 3 is provided with a plurality of brackets 1 and is manufactured according to the position of an intramedullary nail hole on a tibia fixed rod.
The first connecting rod 5, the second connecting rod 6 and the guide head 7 of the connecting rods are integrally processed and formed.
The bracket 1 and the intramedullary nail guiding auxiliary frame 3 are integrally processed and formed.
When the connecting device is used, the second threaded hole 8 in the first connecting rod 5 is concentric with the first threaded hole 4 in the support 1, and the support 1 and the first connecting rod 5 are fixedly connected through the locking screw 2. One side of the tibia fixing rod close to the tibia far end along the axial direction is inserted into the guiding head 7, the tibia fixing rod is implanted into a human body and is in butt joint with the tibia near end, the position of an intramedullary nail hole of the tibia fixing rod is found through an intramedullary nail guiding hole 9 in the intramedullary nail guiding auxiliary frame 3, an intramedullary nail is screwed in, and the tibia fixing rod and the tibia near end are fixed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a customization shin bone dead lever external guide which characterized in that: comprises a bracket, a connecting rod, a locking screw and an intramedullary nail guiding auxiliary frame; the support is a straight rod body, a first threaded hole is formed in the support, the connecting rod comprises a first connecting rod, a second connecting rod and a guide head, a second threaded hole is formed in the first connecting rod, one end of the second connecting rod is vertically connected with the first connecting rod, the other end of the second connecting rod is connected with the guide head, and the guide head is parallel to the first connecting rod; the rod body of the first connecting rod is parallel to the bracket, the second threaded hole is concentric with the first threaded hole, and the locking screw is connected with the first threaded hole and the second threaded hole; the intramedullary nail guiding auxiliary frame is connected with the support, an intramedullary nail guiding hole is formed in the intramedullary nail guiding auxiliary frame, and the axis of the intramedullary nail guiding hole is perpendicular to the axis of the guiding head.
2. The customized tibial fixation rod extracorporeal guide of claim 1, wherein: and the second connecting rod is provided with a plurality of through holes.
3. The customized tibial fixation rod extracorporeal guide of claim 1, wherein: the intramedullary nail guiding auxiliary frame is characterized in that the plurality of intramedullary nail guiding auxiliary frames are arranged on the bracket and manufactured according to the position of the intramedullary nail hole in the tibia fixing rod, the plurality of intramedullary nail guiding auxiliary frames are respectively arranged on the bracket close to one side of the guiding head and the bracket far away from one side of the guiding head, the intramedullary nail guiding auxiliary frame close to one side of the guiding head is used for guiding the intramedullary nail hole in the tibia fixing rod at the position of the femur, and the intramedullary nail guiding auxiliary frame far away from one side of the guiding head is used for guiding the intramedullary nail hole in the tibia fixing rod at the proximal end of the femur.
4. The customized tibial fixation rod extracorporeal guide of claim 1, wherein: the first connecting rod, the second connecting rod and the guide head of the connecting rod are integrally processed and formed.
5. The customized tibial fixation rod extracorporeal guide of claim 1, wherein: the support and the intramedullary nail guiding auxiliary frame are integrally processed and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023311722.9U CN215688360U (en) | 2020-12-31 | 2020-12-31 | External guider of customization shin bone dead lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023311722.9U CN215688360U (en) | 2020-12-31 | 2020-12-31 | External guider of customization shin bone dead lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215688360U true CN215688360U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023311722.9U Active CN215688360U (en) | 2020-12-31 | 2020-12-31 | External guider of customization shin bone dead lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215688360U (en) |
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2020
- 2020-12-31 CN CN202023311722.9U patent/CN215688360U/en active Active
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 201112 Room 102B, Building 2, No. 3576 Zhaolou Road, Minhang District, Shanghai Patentee after: Kuanyue Xinsheng Medical Technology (Shanghai) Co.,Ltd. Address before: Room 102b, building 2, 3576 Zhaolou Road, Minhang District, Shanghai 201100 Patentee before: THYTEC SHANGHAI Co.,Ltd. |
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| CP03 | Change of name, title or address |