CN214907439U - Retractor for thoracolumbar operation - Google Patents
Retractor for thoracolumbar operation Download PDFInfo
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- CN214907439U CN214907439U CN202120392032.6U CN202120392032U CN214907439U CN 214907439 U CN214907439 U CN 214907439U CN 202120392032 U CN202120392032 U CN 202120392032U CN 214907439 U CN214907439 U CN 214907439U
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- arm
- retractor
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- rack
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Abstract
The utility model belongs to the technical field of medical equipment, in particular to a thoracolumbar surgery retractor, which comprises a retractor frame body and a retractor body, wherein the retractor frame body comprises a rack, one end of the rack is fixedly connected with a fixed arm, a movable arm is arranged on the rack in a sliding way, the position of the movable arm on the rack can be fixed, and the head end of the fixed arm is provided with a drag hook blade; the movable arm is connected with a retractor body, the retractor body comprises a left sheet body and a right sheet body, one end of the left sheet body is rotatably connected with one end of the right sheet body, the other end of the left sheet body is provided with a conical retractor head, and the right sheet body is provided with a retractor bolt for opening the retractor body; the left sheet body and the right sheet body are provided with limiting rings, the limiting rings are sleeved on the movable arm, and the left sheet body and the right sheet body can slide along the movable arm. The utility model discloses a set up spacing ring and stop screw, prevent retractor body landing from retracting the support body from horizontal and vertical two aspects.
Description
Technical Field
The utility model relates to a thoracolumbar surgery retractor, belonging to the technical field of medical instruments.
Background
The spine is essential in human physiology for mobility, support and balance. The spine protects spinal nerves, which carry commands from the brain to other parts of the body, and sensory information from nerves below the neck to the brain. In the thoracolumbar spine operation, the retractor is used for retracting tissues, exposes the field of vision to be operated, and is convenient to explore and operate, but the structure of the conventional thoracolumbar spine retractor is not reasonable, and most prominently, the retractor body slides off from the retractor frame body easily, so that the use is inconvenient, and the operation is influenced.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: overcomes the defects of the prior art, and provides a thoracolumbar surgery retractor to solve the problems.
The thoracolumbar surgery retractor comprises a retractor frame body and a retractor body, wherein the retractor frame body comprises a rack, one end of the rack is fixedly connected with a fixed arm, a movable arm is arranged on the rack in a sliding manner, the position of the movable arm on the rack can be fixed, and the head end of the fixed arm is provided with a drag hook blade; the movable arm is connected with a retractor body, the retractor body comprises a left sheet body and a right sheet body, one end of the left sheet body is rotatably connected with one end of the right sheet body, the other end of the left sheet body is provided with a conical retractor head, and the right sheet body is provided with a retractor bolt for opening the retractor body; the left sheet body and the right sheet body are provided with limiting rings, the limiting rings are sleeved on the movable arm, and the left sheet body and the right sheet body can slide along the movable arm.
The two conical retractor heads are matched with a retractor blade, and the retracted tissue shows the operation visual field. The retractor body can move along the rack under the drive of the movable arm, the left sheet body and the right sheet body of the retractor body can move along the movable arm, horizontal and longitudinal retraction can be realized simultaneously, the movable arm is sleeved with the left sheet body and the right sheet body during use, the retractor body is prevented from sliding off the retractor frame body, and the normal operation of the operation is ensured.
The movable arm of the utility model comprises a movable big arm and a movable small arm, one end of the movable big arm is connected with the rack, and the other end of the movable big arm is rotationally connected with the movable small arm; the movable small arm is an arc-shaped arm, the limiting ring is sleeved on the arc-shaped arm, and an arc-shaped guide groove is formed in the arc-shaped arm; the limiting ring is provided with a detachable limiting screw which penetrates through the guide groove and is screwed into the left sheet body and the right sheet body of the retractor body. When the left sheet body and the right sheet body slide on the movable small arm, the limiting screws are always positioned in the arc-shaped guide grooves (the guide grooves are closed-loop grooves), and the retractor body is further prevented from sliding down from the retracting frame body.
Preferably, the fixed arm comprises a large fixed arm and a small fixed arm, one end of the large fixed arm is connected with the rack, and the other end of the large fixed arm is rotatably connected with the small fixed arm; the drag hook blade is arranged at the head end of the fixed small arm.
Preferably, the side surface of the conical pulling head is provided with a plurality of anti-slip grooves.
The movable big arm is connected with a sliding block, and a twisting gear and a self-locking plate are arranged on the sliding block.
Compared with the prior art, the utility model beneficial effect who has is:
thoracolumbar surgery retractor, structural design is reasonable, through setting up spacing ring and stop screw, prevent from horizontal and vertical two aspects that the retractor body from pulling out the landing on the support body, guarantee the normal clear of operation, improve operation efficiency, fixed forearm and activity forearm can be crooked to the skin surface of laminating patient's operation, the suitability is stronger.
Drawings
Fig. 1 is one of the schematic structural diagrams of the present invention;
fig. 2 is a second schematic structural diagram of the present invention;
fig. 3 is a third schematic structural diagram of the present invention;
figure 4 is a schematic structural view of the retractor body.
In the figure: 1. pulling the hook blade; 2. fixing the small arm; 3. fixing the large arm; 4. a rack; 5. twisting the gear; 6. a self-locking plate; 7. a movable big arm; 8. a movable small arm; 9. a left sheet body; 10. a connecting pin; 11. retracting the bolt; 12. a right sheet body; 13. a guide groove; 14. a limit screw; 15. an anti-slip groove; 16. a conical pulling head; 17. a limit ring.
Detailed Description
The invention will be further described with reference to the following examples:
as shown in fig. 1-2, the thoracolumbar surgery retractor of the present invention comprises a retractor frame and a retractor body, wherein the retractor frame comprises a rack 4, one end of the rack 4 is fixedly connected with a fixed arm, a movable arm is slidably arranged on the rack 4, the position of the movable arm on the rack 4 can be fixed, and the head end of the fixed arm is provided with a retractor blade 1; the movable arm is connected with a retractor body, the retractor body comprises a left sheet body 9 and a right sheet body 12, one end of the left sheet body 9 is rotatably connected with one end of the right sheet body 12 through a connecting pin 10, the other end of the left sheet body is provided with a conical retracting head 16, and the right sheet body 12 is provided with a retracting bolt 11 for opening the retractor body; the left sheet body 9 and the right sheet body 12 are provided with limiting rings 17, the limiting rings 17 are sleeved on the movable arms, and the left sheet body 9 and the right sheet body 12 can slide along the movable arms.
The movable arm comprises a large movable arm 7 and a small movable arm 8, one end of the large movable arm 7 is connected with the rack 4, and the other end of the large movable arm 7 is rotatably connected with the small movable arm 8; the movable small arm 8 is an arc-shaped arm, the limiting ring 17 is sleeved on the arc-shaped arm, and an arc-shaped guide groove 13 is formed in the arc-shaped arm; the limit ring 17 is provided with a detachable limit screw 14, and the limit screw 14 passes through the guide groove 13 and is screwed into the left sheet body 9 and the right sheet body 12 of the retractor body. The fixed arm comprises a large fixed arm 3 and a small fixed arm 2, one end of the large fixed arm 3 is connected with the rack 4, and the other end of the large fixed arm 3 is rotatably connected with the small fixed arm 2; the drag hook leaf 1 is arranged at the head end of the fixed small arm 2.
The tapered pulling head 16 of the present embodiment has a plurality of anti-slip grooves 15 on the side surface, and the anti-slip grooves 15 are parallel to each other.
The movable big arm 7 of the embodiment is connected with a sliding block, and a twisting gear 5 and a self-locking piece 6 are arranged on the sliding block.
The twisting gear 5 is twisted, and the movable arm moves on the rack 4, so that the movable arm and the fixed arm are separated; the retracting bolt 11 is rotated to enable the retracting bolt 11 to jack the left sheet body 9 and the right sheet body 12 open, so that the tissues between the retractor blade 1 and the two conical retracting heads 16 retract to expose the operation visual field, and the self-locking blade 6 is used for preventing the movable arm from moving towards the fixed arm after the retracting is in place, so that the state of retracting the tissues is maintained. The stop screw 14 can be removed (as shown in fig. 3) to allow the retractor body to be removed and used independently (as shown in fig. 4). When the retractor is used, the left sheet body 9 and the right sheet body 12 are sleeved on the movable arm, and when the left sheet body 9 and the right sheet body 12 slide on the movable small arm 8, the limiting screws 14 are always positioned in the arc-shaped guide grooves 13, so that the retractor body is prevented from sliding off the retractor body from the retraction frame body in the transverse and longitudinal directions.
Claims (5)
1. A thoracolumbar surgery retractor is characterized in that: the retractor comprises a retractor frame body and a retractor body, wherein the retractor frame body comprises a rack (4), one end of the rack (4) is fixedly connected with a fixed arm, a movable arm is slidably arranged on the rack (4), the position of the movable arm on the rack (4) can be fixed, and the head end of the fixed arm is provided with a retractor blade (1); the movable arm is connected with a retractor body, the retractor body comprises a left sheet body (9) and a right sheet body (12), one end of the left sheet body (9) is rotatably connected with one end of the right sheet body (12), the other end of the left sheet body is provided with a conical retracting head (16), and the right sheet body (12) is provided with a retracting bolt (11) for opening the retractor body; limiting rings (17) are arranged on the left sheet body (9) and the right sheet body (12), the limiting rings (17) are sleeved on the movable arm, and the left sheet body (9) and the right sheet body (12) can slide along the movable arm.
2. The thoracolumbar surgical retractor according to claim 1, wherein: the movable arm comprises a movable large arm (7) and a movable small arm (8), one end of the movable large arm (7) is connected with the rack (4), and the other end of the movable large arm (7) is rotatably connected with the movable small arm (8); the movable small arm (8) is an arc-shaped arm, the limiting ring (17) is sleeved on the arc-shaped arm, and an arc-shaped guide groove (13) is formed in the arc-shaped arm; the limiting ring (17) is provided with a detachable limiting screw (14), and the limiting screw (14) penetrates through the guide groove (13) and is screwed into the left sheet body (9) and the right sheet body (12) of the retractor body.
3. The thoracolumbar surgical retractor according to claim 1, wherein: the fixed arm comprises a large fixed arm (3) and a small fixed arm (2), one end of the large fixed arm (3) is connected with the rack (4), and the other end of the large fixed arm (3) is rotatably connected with the small fixed arm (2); the drag hook blade (1) is arranged at the head end of the fixed small arm (2).
4. The thoracolumbar surgical retractor according to claim 1, wherein: the side surface of the conical traction head (16) is provided with a plurality of anti-skidding grooves (15).
5. The thoracolumbar surgical retractor according to claim 2, wherein: the movable big arm (7) is connected with a sliding block, and a twisting gear (5) and a self-locking piece (6) are arranged on the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120392032.6U CN214907439U (en) | 2021-02-22 | 2021-02-22 | Retractor for thoracolumbar operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120392032.6U CN214907439U (en) | 2021-02-22 | 2021-02-22 | Retractor for thoracolumbar operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214907439U true CN214907439U (en) | 2021-11-30 |
Family
ID=79097344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120392032.6U Active CN214907439U (en) | 2021-02-22 | 2021-02-22 | Retractor for thoracolumbar operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214907439U (en) |
-
2021
- 2021-02-22 CN CN202120392032.6U patent/CN214907439U/en active Active
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