CN220385164U - Orthopedics quick adjustment pole, external fixation frame system - Google Patents
Orthopedics quick adjustment pole, external fixation frame system Download PDFInfo
- Publication number
- CN220385164U CN220385164U CN202321274043.XU CN202321274043U CN220385164U CN 220385164 U CN220385164 U CN 220385164U CN 202321274043 U CN202321274043 U CN 202321274043U CN 220385164 U CN220385164 U CN 220385164U
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- sleeve
- driving
- elastic part
- threaded rod
- driving sleeve
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- 230000000399 orthopedic effect Effects 0.000 title claims description 15
- 238000009434 installation Methods 0.000 claims description 18
- 210000000078 claw Anatomy 0.000 claims description 10
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the field of orthopaedics medical appliances, in particular to a quick orthopaedics adjusting rod and external fixing frame system. When the orthopaedics quick adjusting rod needs fine adjustment, the operation sleeve is moved to the driving position, at the moment, the operation sleeve is in pressing fit with the elastic part of the driving sleeve to enable the elastic part to be in fine adjustment, the elastic part is matched with the threaded rod through the internal thread, the operation sleeve is rotated to drive the driving sleeve to rotate on the telescopic pipe, and therefore the threaded rod is driven to stretch relative to the telescopic pipe under the action of the thread; when the quick adjustment is needed, the operation sleeve is moved to the disconnection position, at the moment, the operation sleeve is disengaged from the elastic part of the driving sleeve so that the elastic part is in the quick adjustment position, at the moment, the elastic part is disengaged from the threaded rod, and the driving sleeve is directly slid on the threaded rod, so that the quick adjustment is realized.
Description
Technical Field
The utility model relates to the field of orthopaedics medical appliances, in particular to a quick orthopaedics adjusting rod and external fixing frame system.
Background
When the fracture is treated, the fracture part needs to be reset by using an external fixing frame, the external fixing frame comprises a fixing ring and an adjusting rod, for example, the patent of the utility model with the publication number of CN 208892743U discloses an adjusting rod, the adjusting rod comprises an outer sleeve and a threaded rod which are sleeved with each other, an adjusting nut matched with the threaded rod is arranged on the outer sleeve, when the adjusting nut is screwed, the adjusting nut and the outer sleeve only rotate relatively, and the threaded rod can linearly move along the axial direction of the adjusting nut under the driving of the adjusting nut, so that the aim of adjusting the length of the connecting rod can be fulfilled.
During the use, when the length of the adjusting rod needs to be quickly adjusted during the operation, the nut needs to be rotated for a long time, and the operation is inconvenient.
Disclosure of Invention
The utility model provides a quick adjusting rod for orthopaedics, which aims to solve the problem of inconvenient operation when the length of the existing adjusting rod is quickly adjusted; meanwhile, the utility model also provides an external fixing frame system using the adjusting rod.
The orthopaedics rapid adjusting rod adopts the following technical scheme:
the utility model provides an orthopedics quick adjustment pole, includes the threaded rod that extends along left and right directions and the flexible pipe of suit on the threaded rod, rotate on the flexible pipe and be equipped with the drive sleeve, the drive sleeve includes the elastic part, be equipped with on the elastic part with threaded rod complex internal thread, the elastic part have with threaded rod complex fine setting and with threaded rod separation complex quick setting, the cover is equipped with the operation cover on the drive sleeve, the operation cover with drive sleeve rotation-proof fit, and have drive position and disconnection position, when the operation cover is in the drive position, it is in fine setting with the elastic part top press fit of drive sleeve so that the elastic part; when the operating sleeve is in the disconnected position, the operating sleeve is disengaged from the elastic part of the driving sleeve so that the elastic part is in the quick adjustment position.
The elastic part is an elastic sheet, and the internal thread is arranged on the inner side wall of the elastic sheet.
The operating sleeve is axially and slidably arranged on the driving sleeve, and the driving position and the disconnecting position are axially arranged along the operating sleeve.
The operation sleeve is provided with a chute which is arranged along the axial sliding direction of the operation sleeve, the driving sleeve is provided with a baffle column, and the baffle column slides back and forth in the chute and is in stop fit with the side wall of the chute; or, the driving sleeve is provided with a chute which is arranged along the axial sliding direction of the driving sleeve, the operation sleeve is provided with a baffle column, and the baffle column slides back and forth in the chute and is in stop fit with the side wall of the chute.
The driving sleeve and/or the operating sleeve are/is connected with a locking mechanism, and the locking mechanism is used for locking the driving sleeve and/or the operating sleeve on the telescopic pipe so as to prevent the driving sleeve from driving the threaded rod to move.
The locking mechanism comprises a locking sleeve which is assembled on the telescopic pipe in a threaded manner, and the locking sleeve is provided with a locking position in jacking fit with the operation sleeve and an unlocking position in unlocking fit with the operation sleeve.
The locking sleeve is provided with an inserting part for being inserted into the operation sleeve.
One of the driving sleeve and the telescopic pipe is provided with an installation elastic claw, the inner wall of the other one of the driving sleeve and the telescopic pipe is provided with an installation annular groove, and the installation elastic claw is provided with a rotation protrusion which is rotatably arranged in the installation annular groove.
The external fixing frame system adopts the following technical scheme:
the external fixing frame system comprises a fixing ring and an orthopaedics rapid adjusting rod connected with the fixing ring, the orthopaedics rapid adjusting rod comprises a threaded rod extending along the left-right direction and a telescopic pipe sleeved on the threaded rod, a driving sleeve is rotatably assembled on the telescopic pipe, the driving sleeve comprises an elastic part, an internal thread matched with the threaded rod is arranged on the elastic part, the elastic part is provided with a fine adjustment position matched with the threaded rod and a rapid adjustment position disengaged from the threaded rod, an operation sleeve is sleeved on the driving sleeve, the operation sleeve is in anti-rotation fit with the driving sleeve and is provided with a driving position and a disconnection position, and when the operation sleeve is in the driving position, the operation sleeve is in pressing fit with the elastic part of the driving sleeve so that the elastic part is in the fine adjustment position; when the operating sleeve is in the disconnected position, the operating sleeve is disengaged from the elastic part of the driving sleeve so that the elastic part is in the quick adjustment position.
The elastic part is an elastic sheet, and the internal thread is arranged on the inner side wall of the elastic sheet.
The operating sleeve is axially and slidably arranged on the driving sleeve, and the driving position and the disconnecting position are axially arranged along the operating sleeve.
The operation sleeve is provided with a chute which is arranged along the axial sliding direction of the operation sleeve, the driving sleeve is provided with a baffle column, and the baffle column slides back and forth in the chute and is in stop fit with the side wall of the chute; or, the driving sleeve is provided with a chute which is arranged along the axial sliding direction of the driving sleeve, the operation sleeve is provided with a baffle column, and the baffle column slides back and forth in the chute and is in stop fit with the side wall of the chute.
The driving sleeve and/or the operating sleeve are/is connected with a locking mechanism, and the locking mechanism is used for locking the driving sleeve and/or the operating sleeve on the telescopic pipe so as to prevent the driving sleeve from driving the threaded rod to move.
The locking mechanism comprises a locking sleeve which is assembled on the telescopic pipe in a threaded manner, and the locking sleeve is provided with a locking position in jacking fit with the operation sleeve and an unlocking position in unlocking fit with the operation sleeve.
The locking sleeve is provided with an inserting part for being inserted into the operation sleeve.
One of the driving sleeve and the telescopic pipe is provided with an installation elastic claw, the inner wall of the other one of the driving sleeve and the telescopic pipe is provided with an installation annular groove, and the installation elastic claw is provided with a rotation protrusion which is rotatably arranged in the installation annular groove.
The beneficial effects of the utility model are as follows: when the orthopaedics quick adjusting rod needs fine adjustment, the operation sleeve is moved to the driving position, at the moment, the operation sleeve is in pressing fit with the elastic part of the driving sleeve to enable the elastic part to be in fine adjustment, the elastic part is matched with the threaded rod through the internal thread, the operation sleeve is rotated to drive the driving sleeve to rotate on the telescopic pipe, and therefore the threaded rod is driven to stretch relative to the telescopic pipe under the action of the thread; when the quick adjustment is needed, the operation sleeve is moved to the disconnection position, at the moment, the operation sleeve is disengaged from the elastic part of the driving sleeve so that the elastic part is in the quick adjustment position, at the moment, the elastic part is disengaged from the threaded rod, and the driving sleeve is directly slid on the threaded rod, so that the quick adjustment is realized.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural view of an embodiment of an orthopedic quick adjustment rod in an external fixation system of the present utility model;
FIG. 2 is an enlarged view of a portion of the operating envelope of FIG. 1 in position;
FIG. 3 is a schematic perspective view of the operating sleeve;
in the figure: 1. a telescopic tube; 2. a threaded rod; 3. an operating sleeve; 4. a drive sleeve; 5. a locking sleeve; 6. a baffle column; 11. a mounting ring table; 31. a chute; 41. an Zhuangdan claw; 42. rotating the protrusion; 43. a boss; 44. a guide surface; 45. an elastic sheet; 51. and an inserting part.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the orthopaedics quick adjusting rod in the external fixing frame system comprises a threaded rod 2 extending along the left-right direction and a telescopic tube 1 sleeved on the threaded rod 2, wherein a driving sleeve 4 is rotatably assembled on the telescopic tube 1, the driving sleeve 4 comprises an elastic part, an internal thread matched with the threaded rod 2 is arranged on the elastic part, the elastic part is provided with a fine adjustment position matched with the threaded rod 2 and a quick adjustment position disengaged from the threaded rod 2, an operating sleeve 3 is sleeved on the driving sleeve 4, the operating sleeve 3 is in anti-rotation fit with the driving sleeve 4 and is provided with a driving position and a disconnection position, and when the operating sleeve 3 is in the driving position, the operating sleeve 3 is in jacking fit with the elastic part of the driving sleeve 4 so as to enable the elastic part to be in the fine adjustment position; when the operating sleeve 3 is in the disconnected position, it is disengaged from the elastic portion of the driving sleeve 4 to bring the elastic portion into the quick-setting position.
In the present embodiment, the elastic portion is specifically an elastic piece 45, and the internal thread is provided on the inner side wall of the elastic piece 45. Meanwhile, for convenience of cooperation, as shown in fig. 3, four elastic pieces 45 are uniformly distributed in the circumferential direction.
In the present embodiment, the operating sleeve 3 is axially slidably provided on the driving sleeve 4, and the driving position and the off position are provided in the axial direction of the operating sleeve 3. Specifically, the operation sleeve 3 is provided with a sliding groove 31 which is arranged along the axial sliding direction of the operation sleeve, the driving sleeve 4 is provided with a baffle column 6, the baffle column slides back and forth in the sliding groove 31 and is in blocking fit with the side wall of the sliding groove 31, the baffle column 6 can be connected with the driving sleeve 4 in a threaded mode or in an interference fit mode.
In order to facilitate the cooperation of the operating sleeve 3 and the drive sleeve 4, i.e. the movement of the operating sleeve 3 between the drive position and the break-away position, in the present embodiment a guiding surface 44, in particular a conical surface, is provided at the front end position of the resilient piece 45. The front end of the guide surface 44 is provided with a boss 43, the inner wall of the operating sleeve 3 is provided with an inner annular table matched with the boss 43, and the operating sleeve 3 moves on the guide surface 44 and the boss 43 through the inner annular table.
The driving sleeve 4 is connected with a locking mechanism, and the locking mechanism is used for locking the driving sleeve 4 on the telescopic pipe 1 so as to prevent the driving sleeve 4 from driving the threaded rod 2 to move, thereby playing a role in protection. Specifically, the locking mechanism comprises a locking sleeve 5 which is assembled on the telescopic pipe 1 through threads, the locking sleeve 5 is provided with a locking position in a jacking fit with the operating sleeve 3 and an unlocking position in a separation jacking fit with the operating sleeve 3, and the locking sleeve 5 is connected with the telescopic pipe 1 through a thread structure, so that the processing is simple. The lock sleeve 5 has an insertion portion 51 for insertion into the operating sleeve 3, and the concrete structure of the insertion portion 51 is a ring table structure.
In this embodiment, the driving sleeve 4 is provided with a mounting claw 41, the inner wall of the mounting tube is provided with a mounting ring groove, and the mounting claw 41 is provided with a rotating protrusion 42 rotatably arranged in the mounting ring groove. As shown in fig. 2, the left end of the installation tube is provided with an installation ring table 11, and the installation ring groove is provided on the inner wall of the installation ring table 11.
In this embodiment, description of several positions:
quick positioning of the elastic part: the position where the elastic piece 45 is opened outwards and disengaged from the threaded rod;
fine adjustment position of elastic part: the elastic sheet 45 is pressed and contracted by the operation sleeve 3 and is in threaded fit with the threaded rod;
drive position of the operating sleeve: the operation sleeve 3 moves leftwards, and the elastic piece 45 is extruded to be in a fine-tuning position;
disconnection position of the operating sleeve: the operating sleeve 3 moves rightwards, and the elastic piece 45 is separated from the extrusion to be in the position of quick adjustment
When the orthopaedics quick adjusting rod is in fine adjustment, the operating sleeve 3 is pushed leftwards (in the direction shown in fig. 2), the operating sleeve moves onto the boss 44 under the guide of the guide surface 44, so that the elastic sheet 45 is extruded to the middle position, the internal threads on the elastic sheet 45 are matched with the threads of the threaded rod 2, at the moment, the operating sleeve 3 is rotated, the operating sleeve 3 drives the driving sleeve 4 to rotate on the telescopic pipe 1 through the matching of the sliding groove 31 and the baffle column 6, and the driving sleeve 4 drives the threaded rod 2 to move back and forth relative to the telescopic pipe under the action of the threads, so that fine adjustment is realized;
after fine adjustment is in place, the locking sleeve is required to be locked, the locking sleeve is rotated at the moment to move leftwards, the inserting part is inserted into an inner hole of the operation sleeve 3 and is in pressing fit with the operation sleeve 3, and the locking sleeve is locked on the telescopic rod to realize locking;
during quick adjustment, the operation sleeve is moved rightward (in the direction shown in fig. 2), at this time, the operation sleeve is separated from the elastic piece 45 and is in press fit, the elastic piece 45 is expanded outwards and is separated from the threaded rod 2, at this time, the driving sleeve and the threaded rod 2 are not in threaded fit, but can slide on the threaded rod 2, and thus quick adjustment can be realized by directly moving the telescopic tube.
Other embodiments of the utility model: alternative modes of the elastic part: a sliding block is arranged along the radial direction of the driving sleeve in a sliding way, an internal thread is arranged on the sliding block, and a spring is connected to the sliding block, so that the sliding block is positioned at a position matched with the threaded rod in a free state, and at the moment, the unlocking sleeve can drive the sliding block to move through a wedge-shaped structure; the operation sleeve can also be circumferentially arranged on the driving sleeve in a rotating manner, at the moment, the driving position and the breaking position are arranged along the circumferential direction of the operation sleeve, at the moment, an inclined table is arranged on one of the operation sleeve and the elastic part, a boss matched with the inclined table is arranged on the other one of the operation sleeve and the elastic part, the extending direction of the inclined surface of the inclined table is along the circumferential direction of the driving sleeve, and at the moment, the relative rotation angle of the operation sleeve and the driving sleeve is required to be limited, so that the operation sleeve can drive the driving sleeve to rotate; the locking mechanism can also be arranged between the telescopic pipe and the driving sleeve, namely the locking sleeve is used for propping the driving sleeve; the sliding chute is arranged on the driving sleeve, and the baffle column is arranged on the operating sleeve; the locking sleeve is arranged in a sliding way through a spline structure, and the front end of the locking sleeve is provided with a conical surface structure which is inserted into an inner hole of the operation sleeve to tightly prop up the operation sleeve; the installation ring groove is arranged on the driving sleeve, and the installation elastic claw is arranged on the telescopic pipe.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. The utility model provides a quick adjusting rod of orthopedics which characterized in that: the telescopic pipe is rotatably assembled on the telescopic pipe, the driving sleeve comprises an elastic part, an internal thread matched with the threaded rod is arranged on the elastic part, the elastic part is provided with a fine adjustment position matched with the threaded rod and a quick adjustment position disengaged from the threaded rod, the driving sleeve is sleeved with an operation sleeve, the operation sleeve is in anti-rotation fit with the driving sleeve and is provided with a driving position and a disconnection position, and when the operation sleeve is in the driving position, the operation sleeve is in press fit with the elastic part of the driving sleeve to enable the elastic part to be in the fine adjustment position; when the operating sleeve is in the disconnected position, the operating sleeve is disengaged from the elastic part of the driving sleeve so that the elastic part is in the quick adjustment position.
2. The orthopedic rapid adjustment rod of claim 1, wherein: the elastic part is an elastic sheet, and the internal thread is arranged on the inner side wall of the elastic sheet.
3. The orthopedic rapid adjustment rod of claim 2, wherein: the operating sleeve is axially and slidably arranged on the driving sleeve, and the driving position and the disconnecting position are axially arranged along the operating sleeve.
4. The orthopedic rapid adjustment rod of claim 3, wherein: the operation sleeve is provided with a chute which is arranged along the axial sliding direction of the operation sleeve, the driving sleeve is provided with a baffle column, and the baffle column slides back and forth in the chute and is in stop fit with the side wall of the chute; or, the driving sleeve is provided with a chute which is arranged along the axial sliding direction of the driving sleeve, the operation sleeve is provided with a baffle column, and the baffle column slides back and forth in the chute and is in stop fit with the side wall of the chute.
5. The orthopedic rapid adjustment rod of any one of claims 1-4, wherein: the driving sleeve and/or the operating sleeve are/is connected with a locking mechanism, and the locking mechanism is used for locking the driving sleeve and/or the operating sleeve on the telescopic pipe so as to prevent the driving sleeve from driving the threaded rod to move.
6. The orthopedic rapid adjustment rod of claim 5, wherein: the locking mechanism comprises a locking sleeve which is assembled on the telescopic pipe in a threaded manner, and the locking sleeve is provided with a locking position in jacking fit with the operation sleeve and an unlocking position in unlocking fit with the operation sleeve.
7. The orthopedic rapid adjustment rod of claim 6, wherein: the locking sleeve is provided with an inserting part for being inserted into the operation sleeve.
8. The orthopedic rapid adjustment rod of claim 1, wherein: one of the driving sleeve and the telescopic pipe is provided with an installation elastic claw, the inner wall of the other one of the driving sleeve and the telescopic pipe is provided with an installation annular groove, and the installation elastic claw is provided with a rotation protrusion which is rotatably arranged in the installation annular groove.
9. The external fixation frame system comprises a fixed ring and an orthopedics quick adjusting rod connected with the fixed ring, and is characterized in that: the orthopedic rapid adjustment rod is the orthopedic rapid adjustment rod of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321274043.XU CN220385164U (en) | 2023-05-24 | 2023-05-24 | Orthopedics quick adjustment pole, external fixation frame system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321274043.XU CN220385164U (en) | 2023-05-24 | 2023-05-24 | Orthopedics quick adjustment pole, external fixation frame system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220385164U true CN220385164U (en) | 2024-01-26 |
Family
ID=89613868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321274043.XU Active CN220385164U (en) | 2023-05-24 | 2023-05-24 | Orthopedics quick adjustment pole, external fixation frame system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220385164U (en) |
-
2023
- 2023-05-24 CN CN202321274043.XU patent/CN220385164U/en active Active
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