CN219147708U - Vertebral body stretching pressurizer - Google Patents
Vertebral body stretching pressurizer Download PDFInfo
- Publication number
- CN219147708U CN219147708U CN202222744110.1U CN202222744110U CN219147708U CN 219147708 U CN219147708 U CN 219147708U CN 202222744110 U CN202222744110 U CN 202222744110U CN 219147708 U CN219147708 U CN 219147708U
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- Prior art keywords
- rack
- limiting
- arm
- expanding
- rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000005452 bending Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000007480 spreading Effects 0.000 description 12
- 239000012634 fragment Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
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Abstract
The utility model relates to the technical field of medical appliances, in particular to a vertebral body expanding pressurizer. The vertebral body expanding pressurizer comprises a rack, an expanding arm position adjusting mechanism, an expanding rod and an expanding rod angle adjusting mechanism, wherein the expanding arm is arranged on the rack at intervals; one end of the opening arm is provided with a rack perforation, and one side of the rack perforation is provided with an opening arm position adjusting mechanism capable of adjusting the position of the opening arm on the rack; the other end of the expanding arm is provided with an expanding rod which is connected with the expanding arm in a rotating way, and the expanding arm is provided with an expanding rod angle adjusting mechanism for adjusting and limiting the angle of the expanding rod. The utility model has the advantages of convenient and rapid position adjustment of the opening arm and opening angle adjustment and easy operation.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a vertebral body expanding pressurizer.
Background
The cervical vertebra movement function is usually damaged, the damaged part is required to be repaired by surgical operation, and the vertebral body spreader is a modern vertebral body spreading operation tool which can be matched with spreading nails, so that the vertebral body can spread and expose soft tissues, and a doctor can repair the cervical vertebra. The existing vertebral body expanding pressurizer has a plurality of defects in actual use, such as: (1) inconvenient adjustment of the position of the supporting arm; (2) The angle of the opening rod can not be adjusted back and forth, or is inconvenient to adjust, and is not easy to operate.
Disclosure of Invention
The utility model aims to provide a vertebral body expanding pressurizer, which overcomes the defects of the prior art, and the position adjustment and the angle adjustment of an expanding arm are convenient and rapid and are easy to operate.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a centrum struts pressurizer, includes rack, struts arm position adjustment mechanism, struts pole and struts pole angle adjustment mechanism, wherein:
the rack is provided with a supporting arm at intervals;
one end of the opening arm is provided with a rack perforation, and one side of the rack perforation is provided with an opening arm position adjusting mechanism capable of adjusting the position of the opening arm on the rack;
the other end of the expanding arm is provided with an expanding rod which is in rotary connection with the expanding arm, and the expanding arm is provided with an expanding rod angle adjusting mechanism for adjusting and limiting the angle of the expanding rod;
when the device is used, the positions of the two supporting arms on the rack are adjusted through the supporting arm position adjusting mechanism, and the angle of the supporting rod is adjusted through the supporting rod angle adjusting mechanism, so that the operation is facilitated.
Further, the position adjusting mechanism of the spreading arm comprises an adjusting rod, a gear and a limiting component, a slot for installing the position adjusting mechanism of the spreading arm is formed in the spreading arm, the adjusting rod is rotatably arranged on the slot, one end of the adjusting rod extends out of the slot, the gear is arranged on the outer wall of the adjusting rod and meshed with the rack, and the limiting component for limiting whether the gear rotates or not and the rotating direction is arranged on one side of the gear; the screw-on adjusting rod extends out of one end of the slot, and the gear rotates along with the screw-on adjusting rod, so that the relative position between the opening arms and the rack is changed, and the function of adjusting the positions of the two opening arms is achieved.
Further, spacing subassembly is including trading dog, shell fragment, first pin and second stud, the one end of shifting the piece is provided with the shifting block, the other end is provided with two spacing teeth, two spacing teeth restrict respectively and strut the different direction of movement of arm on the rack, the shifting block articulates in the fluting through first pin, the direction along the rack setting on the trading dog sets up to the cavity that both ends trompil, be provided with the second stud along rack setting direction interval in the fluting, the second stud is located the both sides of trading the dog respectively, the middle part of shell fragment is provided with bellied kink, the shell fragment passes the trompil, the both ends of shell fragment limit respectively is located a second stud, two spacing teeth all do not contact with the rack when the kink is located the trading dog inside, when stirring the shifting block makes the kink stretch out from the trompil of first direction, one of them spacing tooth meshes with the rack, stir the dog makes the kink stretch out from the trompil of second direction, another spacing tooth meshes with the rack.
Further, prop open the pole and include the body of rod and set up the connector at body of rod top, the connector includes the otic placode, and the outer fringe interval of otic placode is provided with the spacing groove, it is articulated with the connector to prop open the one end of arm, prop open and be provided with the mounting groove that is used for installing and prop open pole angle adjustment mechanism on the arm.
Further, the angle adjusting mechanism of the expanding rod comprises a spring, a limiting block and a bolt, one end of the spring is connected with the bottom of the mounting groove, the other end of the spring is connected with the limiting block, the tail end of the limiting block is clamped in two adjacent limiting grooves at the outer edge of the lug plate under the action of the spring, a long-strip hole is formed in the expanding arm, the bolt is inserted from the long-strip hole and is in threaded connection with the limiting block, the angle of the expanding rod can be adjusted when the bolt is loosened, the limiting block is only clamped in the limiting groove when the bolt is locked, and the angle of the expanding rod is locked.
Further, the mounting groove comprises a limiting block movable hole and a spring mounting hole, one end of the spring is mounted in the spring mounting hole, and the other end of the spring extends out of the spring mounting hole and is connected with the limiting block, so that the limiting block moves more stably.
Further, two limiting teeth are arranged on the limiting block and are respectively clamped with the corresponding ear plate.
Further, the opening arm is provided with a lightening hole.
The beneficial effects of the utility model are as follows: compared with the prior art, the vertebral body expanding pressurizer has the following advantages: the position of the two supporting arms on the rack is adjusted through the supporting arm position adjusting mechanism, and the angle of the supporting rod is adjusted through the supporting rod angle adjusting mechanism so as to facilitate operation, and the supporting arm position adjusting mechanism and the supporting rod angle adjusting mechanism are simple in structural design and convenient to operate.
Drawings
FIG. 1 is a schematic view of the general structure of the present utility model in a use state;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model at a first angle;
FIG. 4 is a schematic cross-sectional view of the A-A' structure of FIG. 3 in accordance with the present utility model;
FIG. 5 is a schematic view of the structure of the present utility model at a second angle;
FIG. 6 is a schematic cross-sectional view of the B-B' structure of FIG. 5 in accordance with the present utility model;
the device comprises a rack 1, a spreading arm 2, a rack perforation 201, a slotting 202, a mounting groove 203, a long hole 204, a spreading arm position adjusting mechanism 3, a regulating rod 301, a gear 302, a block 303, a spring 304, a first pin 305, a second pin 306, a shifting block 307, a spacing tooth 308, a 309 bending part, a spreading rod 4, a rod body 401, a connector 402, a lug plate 403, a spacing groove 404, a spreading rod angle adjusting mechanism 5, a spring 501, a spacing block 502 and a bolt 503.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
In the embodiment shown in fig. 1-6, a vertebral body expanding pressurizer comprises a rack 1, an expanding arm 2, an expanding arm position adjusting mechanism 3, an expanding rod 4 and an expanding rod angle adjusting mechanism 5, wherein:
the rack 1 is provided with a supporting arm 2 at intervals;
one end of the expanding arm 2 is provided with a rack perforation 201, and one side of the rack perforation 201 is provided with an expanding arm position adjusting mechanism 3 which can adjust the position of the expanding arm 2 on the rack 1;
the other end of the expanding arm 2 is provided with an expanding rod 4, the expanding rod 4 is rotationally connected with the expanding arm 2, and the expanding arm 2 is provided with an expanding rod angle adjusting mechanism 5 for adjusting and limiting the angle of the expanding rod 4;
when the device is used, the positions of the two expanding arms 2 on the rack 1 are adjusted through the expanding arm position adjusting mechanism 3, and the angle of the expanding rod 4 is adjusted through the expanding rod angle adjusting mechanism 5, so that the operation is facilitated.
In this embodiment, the spreading arm position adjusting mechanism 3 includes an adjusting lever 301, a gear 302 and a limiting component, the spreading arm 2 is provided with a slot 202 for installing the spreading arm position adjusting mechanism 3, the adjusting lever 301 is rotatably disposed on the slot 202, one end of the adjusting lever 301 extends out of the slot 202, the outer wall of the adjusting lever 301 is provided with the gear 302, the gear 302 is meshed with the rack 1, and one side of the gear 302 is provided with the limiting component for limiting whether the gear 302 rotates or not and the rotation direction; the screw-on adjusting rod 301 extends out of one end of the slot 202, and the gear 302 rotates along with the screw-on adjusting rod, so that the relative positions of the two stretching arms 2 and the rack 1 are changed, and the function of adjusting the positions of the two stretching arms 2 is achieved.
In this embodiment, the limiting assembly includes a shift block 303, a spring plate 304, a first pin 305 and a second pin 306, one end of the shift block 303 is provided with a shifting block 307, the other end is provided with two limiting teeth 308, the two limiting teeth 308 respectively limit different moving directions of the opening arm 2 on the rack 1, the shift block 303 is hinged in the slot 202 through the first pin 305, the direction of the shift block 303 along the rack 1 is provided with a cavity with holes at two ends, the slot 202 is provided with second pins 306 at intervals along the direction of the rack 1, the second pins 306 are respectively located at two sides of the shift block 303, the middle part of the spring plate 304 is provided with a raised bending part 309, the spring plate 304 passes through the holes, two ends of the spring plate 304 are respectively limited on one second pin 306, when the bending part 309 of the spring plate 304 is located inside the shift block 303, the two limiting teeth 308 are not contacted with the rack 1, when the bending part 309 is pushed to extend from the hole in the first direction, one limiting tooth 308 is meshed with the rack 1, and when the pushing block 307 extends from the hole in the second direction, the other limiting tooth 308 is meshed with the rack 1.
In this embodiment, the expanding rod 4 comprises a rod body 401 and a connector 402 arranged at the top of the rod body 401, the connector 402 comprises an ear plate 403, a limiting groove 404 is arranged at the outer edge of the ear plate 403 at intervals, one end of the expanding arm 2 is hinged with the connector 402, and an installation groove 203 for installing the expanding rod angle adjusting mechanism 5 is arranged on the expanding arm 2.
In this embodiment, the supporting rod angle adjusting mechanism 5 includes a spring 501, a limiting block 502 and a bolt 503, one end of the spring 501 is connected with the bottom of the mounting groove 203, the other end of the spring 501 is connected with the limiting block 502, the end of the limiting block 502 is clamped in two adjacent limiting grooves 404 on the outer edge of the ear plate 403 under the action of the spring 501, a long strip hole 204 is provided on the supporting arm 2, the bolt 503 is inserted from the long strip hole 204 and is in threaded connection with the limiting block 502, the angle of the supporting rod 4 can be adjusted when the bolt 503 is loosened, the limiting block 502 is tightly clamped in the limiting groove 404 when the bolt 503 is locked, and the angle of the supporting rod 4 is locked.
In this embodiment, the mounting groove 203 includes a stopper moving hole and a spring mounting hole, one end of the spring is mounted in the spring mounting hole, and the other end extends out of the spring mounting hole and is connected with the stopper, so that the movement of the stopper is more stable.
In this embodiment, two limiting teeth are disposed on the limiting block, and the two limiting teeth are respectively engaged with the corresponding ear plate 403.
In this embodiment, the spreader arm 2 is provided with a lightening hole.
The foregoing embodiments are merely examples of the present utility model, and the scope of the present utility model includes, but is not limited to, the forms and styles of the foregoing embodiments, and any suitable changes or modifications made by those skilled in the art, which are consistent with the claims of the present utility model, shall fall within the scope of the present utility model.
Claims (8)
1. A vertebral body distraction pressurizer, characterized in that: including rack, strut arm position adjustment mechanism, strut pole and strut pole angle adjustment mechanism, wherein:
the rack is provided with a supporting arm at intervals;
one end of the opening arm is provided with a rack perforation, and one side of the rack perforation is provided with an opening arm position adjusting mechanism capable of adjusting the position of the opening arm on the rack;
the other end of the expanding arm is provided with an expanding rod which is connected with the expanding arm in a rotating way, and the expanding arm is provided with an expanding rod angle adjusting mechanism for adjusting and limiting the angle of the expanding rod.
2. A vertebral body distraction pressurizer according to claim 1, wherein: the supporting arm position adjusting mechanism comprises an adjusting rod, a gear and a limiting component, a slot for installing the supporting arm position adjusting mechanism is formed in the supporting arm, the adjusting rod is rotatably arranged on the slot, one end of the adjusting rod extends out of the slot, the gear is arranged on the outer wall of the adjusting rod and meshed with the rack, and the limiting component for limiting whether the gear rotates or not and the rotating direction is arranged on one side of the gear.
3. A vertebral body distraction pressurizer according to claim 2, wherein: the limiting assembly comprises a gear shifting block, an elastic piece, a first pin and a second pin, wherein one end of the gear shifting block is provided with a shifting block, the other end of the gear shifting block is provided with two limiting teeth, the gear shifting block is hinged in a groove through the first pin, the gear shifting block is arranged into a cavity with holes at two ends along the direction of a rack, the second pin is arranged at intervals along the direction of the rack, the second pin is respectively positioned at two sides of the gear shifting block, the middle part of the elastic piece is provided with a convex bending part, the elastic piece penetrates through the holes, two ends of the elastic piece are respectively limited on one second pin, two limiting teeth are not contacted with the rack when the bending part of the elastic piece is in contact with the rack when the bending part stretches out from the hole in the first direction, one limiting tooth is meshed with the rack, and the other limiting tooth is meshed with the rack when the bending part stretches out from the hole in the second direction.
4. A vertebral body distraction pressurizer according to claim 1, wherein: the opening rod comprises a rod body and a connector arranged at the top of the rod body, the connector comprises an ear plate, limiting grooves are formed in the outer edge of the ear plate at intervals, one end of the opening arm is hinged to the connector, and an installation groove for installing an opening rod angle adjusting mechanism is formed in the opening arm.
5. A vertebral body distraction pressurizer according to claim 4, wherein: the angle adjusting mechanism of the expanding rod comprises a spring, a limiting block and a bolt, one end of the spring is connected with the bottom of the mounting groove, the other end of the spring is connected with the limiting block, the tail end of the limiting block is clamped in two adjacent limiting grooves on the outer edge of the ear plate under the action of the spring, a strip hole is formed in the expanding arm, and the bolt is inserted from the strip hole and is in threaded connection with the limiting block.
6. A vertebral body distraction pressurizer according to claim 5, wherein: the mounting groove comprises a limiting block movable hole and a spring mounting hole, one end of the spring is mounted in the spring mounting hole, and the other end of the spring extends out of the spring mounting hole and is connected with the limiting block.
7. A vertebral body distraction pressurizer according to claim 5, wherein: two limiting teeth are arranged on the limiting block and are respectively clamped with the corresponding ear plates.
8. A vertebral body distraction pressurizer according to claim 1, wherein: the opening arm is provided with a lightening hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222744110.1U CN219147708U (en) | 2022-10-19 | 2022-10-19 | Vertebral body stretching pressurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222744110.1U CN219147708U (en) | 2022-10-19 | 2022-10-19 | Vertebral body stretching pressurizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219147708U true CN219147708U (en) | 2023-06-09 |
Family
ID=86639509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222744110.1U Active CN219147708U (en) | 2022-10-19 | 2022-10-19 | Vertebral body stretching pressurizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219147708U (en) |
-
2022
- 2022-10-19 CN CN202222744110.1U patent/CN219147708U/en active Active
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| GR01 | Patent grant |