CN210541777U - External fixed angle telescopic correction system - Google Patents
External fixed angle telescopic correction system Download PDFInfo
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- CN210541777U CN210541777U CN201920971088.XU CN201920971088U CN210541777U CN 210541777 U CN210541777 U CN 210541777U CN 201920971088 U CN201920971088 U CN 201920971088U CN 210541777 U CN210541777 U CN 210541777U
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Abstract
The utility model discloses an outer fixed angle concertina type correction system, including main part, connecting screw, uide bushing, adjusting gear, adjustment handle, lower clamp, go up clamp and metal spicule, the uide bushing is installed through the keyway to the main part, is provided with adjusting gear on the uide bushing, and the gear engagement in adjusting gear and the main part still installs adjustment handle on the adjusting gear, and the uide bushing passes through adjusting gear and adjusting handle and moves in the main part, and the main part is still installed under on the clamp. The utility model relates to an external fixation angle concertina type correction system accords with the human mechanics principle, and application scope is wide, and stability is good, the wicresoft operation, the operation damage is little, can adopt the closed to reset, utilizes the principle of stretching the bone formation, no longer plants the bone in the bone is orthopedic to cut the bone, can avoid causing to shorten the deformity, it is orthopedic to also can accomplish the bone to cut the bone to little bone piece, the screw thread head design of metal spicule for the external fixation frame cooperation has the blade can self tapping from boring, the screw thread profile is trapezoidal can prevent not hard up the complication of the greatly reduced spicule.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically be an external fixation angle concertina type correction system.
Background
The external fixation bracket technology is widely applied to the aspect of orthopedics treatment, and has the following advantages: 1. the application range is wide, the quality of the modern external fixing frame is reliable, the stability is good, and the assembling form is flexible and various; 2. the fixation is reliable, the stability of the modern external fixation system is very reliable through continuous improvement and research, and the displacement and angulation of the fracture end caused by the instability of the external fixation frame are extremely rare in the fixation process; 3. the fixation range is large, and for some adjacent joints or fractures in the joints, super-joint fixation can be adopted if necessary to increase the stability of fixation, which cannot be achieved by internal fixation; 4. minimally invasive operation, small surgical injury and closed reduction.
However, in the using process, the traditional orthopedic products used for the force line outward movement of knee osteoarthritis, the correction of elbow joint deformity, the correction of ankle joint deformity, the correction of old pelvic fracture and the like have the following defects: 1. the volume is large, and the living nursing is inconvenient; 2. the defect of difficult fixation of the proximal joint part; 3. the most complications are related to spicules, including needle loosening and needle tract infection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an external fixation angle concertina type correction system, accord with the human mechanics principle, application scope is wide, stability is good, the wicresoft operation, the operation damage is little, can adopt the closed to reset, utilize and stretch the osteogenesis principle, no longer plant the bone in the osteotomy is orthopedic, can avoid causing and shorten the deformity, it is orthopedic to also can accomplish the osteotomy to little bone piece, the screw thread head design of external fixation frame cooperation metal spicule has the blade self tapping from boring, the screw thread profile can prevent to become flexible the complication of the greatly reduced spicule for trapezoidal, can solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: an external fixed angle telescopic correction system comprises a main body, a connecting screw, a guide sleeve, an adjusting gear, an adjusting handle, a lower clamp body, an upper clamp body and a metal spicule, wherein the guide sleeve is installed on the main body through a key groove, the adjusting gear is arranged on the guide sleeve through a rotating shaft and is installed on the rotating shaft, one end of the rotating shaft is installed on the inner wall of the guide sleeve, the other end of the rotating shaft penetrates through the guide sleeve and extends to the outer side of the guide sleeve to be connected with the adjusting handle, the adjusting gear is meshed with a gear on the main body, the guide sleeve moves on the main body through the adjusting gear and the adjusting handle, the main body is further installed on the lower clamp body, the lower clamp body is connected with the upper clamp body, the metal spicule is installed on the lower clamp body and the upper clamp body, one end, far away from the lower clamp body and the upper clamp body, of the metal spicule is connected with a first bone block, one end of the metal spicule, which is far away from the guide sleeve, is connected with a second bone block.
Preferably, the main body and the guide sleeve are matched with the mouse teeth of the lower clamp body, the number of the mouse teeth is 60, and the single adjustment can control 6 degrees.
Preferably, the lower clamp body and the upper clamp body are both provided with diamond-shaped grooves.
Preferably, the tail part of the connecting screw adopts an inner hexagonal structure.
Preferably, the head of the thread of the metal spicule is provided with a cutting edge, the thread profile is trapezoidal, and the tail of the metal spicule is of a square structure.
Preferably, the connecting screw is made of a titanium alloy material with good biocompatibility and corrosion resistance.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model relates to an external fixed angle telescopic type correction system, which provides a set of correction system which accords with the human body mechanics principle for the orthopedic diseases such as the force line outward shift of knee osteoarthritis, the correction of elbow joint deformity, the correction of ankle joint deformity, the correction of old pelvis fracture and the like, the size of the correction system is greatly reduced, the defects that other external fixing frames require large volume for the fixed part and the near joint part is difficult to fix are overcome, the application range is wide, the stability is good, the minimally invasive operation is realized, the operation injury is small, can adopt closed reduction and utilize the principle of distraction osteogenesis, does not need bone grafting in the osteotomy orthopedic treatment, can avoid shortening deformity, the bone cutting and shape correction can be completed for small bone blocks, the cutting edge is designed at the head of the thread of the metal spicule matched with the external fixing frame and can self-tapping and self-drilling, and the thread tooth shape is trapezoidal, so that the looseness can be prevented, and the complication of the spicule is greatly reduced.
Drawings
Fig. 1 is a schematic view of an external fixed angle telescopic correction system of the present invention;
FIG. 2 is a sectional side view of the main body and the guide sleeve of the present invention;
FIG. 3 is a top view of the main body and adjusting gear connection of the present invention;
fig. 4 is a front view of the connection of the main body and the adjusting gear of the present invention.
In the figure: 1. a main body; 2. a connecting screw; 3. a guide sleeve; 31. a rotating shaft; 4. an adjusting gear; 5. adjusting the handle; 6. a lower clamp body; 7. an upper clamp body; 8. a metal spicule; 9. a first bone piece; 10. and (7) second bone pieces.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, an external fixation angle telescopic correction system comprises a main body 1, a connecting screw 2, a guide sleeve 3, an adjusting gear 4, an adjusting handle 5, a lower clamp 6, an upper clamp 7 and a metal spicule 8, wherein the external fixation angle telescopic correction system is made of stainless steel, titanium alloy or aluminum alloy material with good mechanical property and corrosion resistance, the external fixation angle telescopic correction system has wide application range, reliable quality, good stability, flexible and various assembly forms and reliable fixation, through continuous improvement and research, the stability of the external fixation angle telescopic correction system is very reliable, fracture end displacement and angulation caused by instability of an external fixation frame in a fixation process are rare, the fixation range is large, for fractures in some adjacent joints or joints, if necessary, super-joint fixation can be adopted to increase the fixation stability, which cannot be achieved by internal fixation, minimally invasive operation, little surgical injury, closed restoration is adopted, a guide sleeve 3 is installed on a main body 1 through a key slot, the main body 1 can flexibly move back and forth on the main body 1 through an adjusting gear 4, the adjusting gear 4 is arranged on the guide sleeve 3 through a rotating shaft 31, the adjusting gear 4 is installed on the rotating shaft 31, one end of the rotating shaft 31 is installed on the inner wall of the guide sleeve 3, the other end of the rotating shaft 31 penetrates through the guide sleeve 3 and extends to the outer side of the guide sleeve 3 to be connected with an adjusting handle 5, the rotating shaft 31 and the adjusting gear 4 are driven to rotate through the adjusting handle 5, because the adjusting gear 4 is meshed with a gear on the main body 1 and the main body 1 is fixed, the guide sleeve 3 can move back and forth on the main body 1 in the rotating process of the adjusting gear 4, the adjusting gear 4 is meshed with the gear on the main body 1, the gear on the main body, the adjusting range of the gear is 1-50 degrees, the adjusting angle can be accurately controlled, the angle of a first bone block 9 can be accurately adjusted by matching the main body 1 with the rat teeth on the lower clamp body 6, the osteotomy position can be accurately controlled by the osteotomy groove on the main body 1, the length of the metal spicule 8 for matching with the external fixing frame can be measured, the guide sleeve 3 moves on the main body 1 through the adjusting gear 4 and the adjusting handle 5, the guide sleeve 3 is matched with the guide rail of the main body 1 and is adjusted to advance along the guide rail through the adjusting gear 4, the angle of the metal spicule 8 for matching with the external fixing frame on a second bone block 10 can be accurately adjusted by matching the guide sleeve 3 with the rat teeth on the lower clamp body 6, the main body 1 is also arranged on the lower clamp body 6, the main body 1 and the guide sleeve 3 are matched with the rat teeth of the lower clamp body 6, the rat teeth are uniformly divided into 60 parts, the angle of the bone block can be controlled by single adjustment through controlling the metal spi, the lower clamp body 6 is connected with the upper clamp body 7, diamond-shaped grooves are arranged on the lower clamp body 6 and the upper clamp body 7, the diamond-shaped grooves of the lower clamp body 6 and the upper clamp body 7 can fix external fixing frames with different diameters through connecting screws 2 and are matched with metal spicules 8 to meet different requirements of patients, the operation can be flexible, the metal spicules 8 are arranged on the lower clamp body 6 and the upper clamp body 7, one ends, far away from the lower clamp body 6 and the upper clamp body 7, of the metal spicules 8 are connected with first bone blocks 9, the guide sleeve 3 is also connected with the metal spicules 8 through the connecting screws 2, the tail portions of the connecting screws 2 are of an inner hexagonal structure, the operation is simple and rapid, the connecting screws 2 are made of titanium alloy self-tapping materials with good biocompatibility and corrosion resistance, the thread heads of the metal spicules 8 are provided with cutting edges and can self-drill, the thread tooth shapes are trapezoidal, and the metal spicules, the tail part adopts a square structure, the tail part can be rapidly implanted by matching with an instrument in use, and one end of the metal spicule 8 far away from the guide sleeve 3 is connected with a second bone block 10.
In summary, the following steps: the utility model provides a correction system which is in accordance with the human body mechanics principle for the orthopedic diseases such as the external fixation angle telescopic correction system for the force line of knee osteoarthritis, the correction of elbow joint deformity, the correction of ankle joint deformity, the correction of old pelvis fracture and the like, the individualized design greatly reduces the volume of the corrector, overcomes the defects that other external fixing frames require large volume for the fixed part and the fixation of the near joint part is difficult, has wide application range, good stability, minimally invasive operation and small operation damage, can adopt closed reduction and utilize the principle of distraction osteogenesis, does not need bone grafting in the osteotomy orthopedic treatment, can avoid shortening deformity, the bone cutting and shape correction can be completed for small bone blocks, the cutting edge can be self-tapping and self-drilling when the head of the thread of the metal spicule 8 matched with the external fixing frame is designed, and the thread tooth shape is trapezoidal, so that the looseness can be prevented, and the complication of the spicule is greatly reduced.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an outer fixed angle concertina type correction system, includes main part (1), connecting screw (2), uide bushing (3), adjusting gear (4), adjusts handle (5), lower clamp (6), goes up clamp (7) and metal spicule (8), its characterized in that: main part (1) installs uide bushing (3) through the keyway, be provided with adjusting gear (4) through pivot (31) on uide bushing (3), adjusting gear (4) are installed on pivot (31), the one end of pivot (31) is installed on the inner wall of uide bushing (3), the outside that the other end of pivot (31) passed uide bushing (3) and extended to uide bushing (3) is connected with regulation handle (5), gear engagement on adjusting gear (4) and main part (1), uide bushing (3) are through adjusting gear (4) and regulation handle (5) motion on main part (1), main part (1) still install down on clamp (6), clamp (6) are connected with last clamp (7) down, install metal spicule (8) on clamp (6) and the last clamp (7) down, metal spicule (8) are kept away from down clamp (6) and the one end of last clamp (7) are connected with first bone block (7) 9) The guide sleeve (3) is further connected with a metal spicule (8) through a connecting screw (2), and one end, far away from the guide sleeve (3), of the metal spicule (8) is connected with a second bone block (10).
2. The external fixed angle telescopic orthotic system of claim 1, wherein: the main body (1) and the guide sleeve (3) are matched with the mouse teeth of the lower clamp body (6), the mouse teeth are divided into 60 parts, and 6 degrees can be controlled by single adjustment.
3. The external fixed angle telescopic orthotic system of claim 1, wherein: the lower clamp body (6) and the upper clamp body (7) are both provided with diamond-shaped grooves.
4. The external fixed angle telescopic orthotic system of claim 1, wherein: the tail part of the connecting screw (2) adopts an inner hexagonal structure.
5. The external fixed angle telescopic orthotic system of claim 1, wherein: the head of the thread of the metal spicule (8) is provided with a cutting edge, the thread tooth form is trapezoidal, and the tail part adopts a square structure.
6. The external fixed angle telescopic orthotic system of claim 1, wherein: the connecting screw (2) is made of titanium alloy material with good biocompatibility and corrosion resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920971088.XU CN210541777U (en) | 2019-06-26 | 2019-06-26 | External fixed angle telescopic correction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920971088.XU CN210541777U (en) | 2019-06-26 | 2019-06-26 | External fixed angle telescopic correction system |
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| Publication Number | Publication Date |
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| CN210541777U true CN210541777U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920971088.XU Active CN210541777U (en) | 2019-06-26 | 2019-06-26 | External fixed angle telescopic correction system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384551A (en) * | 2019-06-26 | 2019-10-29 | 中国人民解放军联勤保障部队第960医院 | A kind of outer fixed angle concertina type correction system |
| CN113499131A (en) * | 2021-05-17 | 2021-10-15 | 无锡市第九人民医院 | Be applied to osteotomy lockplate of child's skeleton deformity |
-
2019
- 2019-06-26 CN CN201920971088.XU patent/CN210541777U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384551A (en) * | 2019-06-26 | 2019-10-29 | 中国人民解放军联勤保障部队第960医院 | A kind of outer fixed angle concertina type correction system |
| CN113499131A (en) * | 2021-05-17 | 2021-10-15 | 无锡市第九人民医院 | Be applied to osteotomy lockplate of child's skeleton deformity |
| CN113499131B (en) * | 2021-05-17 | 2022-05-20 | 无锡市第九人民医院 | Be applied to osteotomy lockplate of child's skeleton deformity |
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