CN211560190U - Medical cervical vertebra operation muscle expansion combination drag hook - Google Patents
Medical cervical vertebra operation muscle expansion combination drag hook Download PDFInfo
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- CN211560190U CN211560190U CN201921421788.8U CN201921421788U CN211560190U CN 211560190 U CN211560190 U CN 211560190U CN 201921421788 U CN201921421788 U CN 201921421788U CN 211560190 U CN211560190 U CN 211560190U
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Abstract
The utility model discloses a medical cervical vertebra surgery muscle expansion combined drag hook, including the symmetrical slip following mechanism that sets up on the connecting rod, wherein, the lock tooth slides on the hypotenuse of ratchet and can pass through the ratchet when the slider slides to the connecting rod tip, the lock tooth is spacing unable to pass through the ratchet by the right angle limit of ratchet when the slider slides to the connecting rod middle part, when using, the muscle of operation incision both sides is pulled to two drag hooks of symmetry, remove two slider separation no matter after which position stops, can lock the slider in this position through the lock tooth, thereby make the muscle of operation incision keep opening, and then need not exert the pulling force to the drag hook for a long time through the auxiliary staff, avoid the emergence of error condition, save auxiliary staff's physical power; the process can be completed by single person operation; the shifting rod is fixed on the locking tooth, the shifting rod which fluctuates upwards can separate the locking tooth from the ratchet, the sliding block can slide towards the middle part of the connecting rod, the drag hook can be conveniently removed after the operation is completed, and the whole operation process is convenient and fast.
Description
Technical Field
The utility model relates to a surgery retractor field especially relates to a medical cervical vertebra surgery muscle expansion combination retractor.
Background
The operation drag hook is used for when the operation, pulls open the muscle of incision department to both sides, is convenient for observe and operate deep level position, and the current using-way that is used for cervical vertebra operation drag hook is: need the handheld drag hook of two auxiliary personnel, pull the muscle of incision department to the both sides, but general operation time is longer, and auxiliary personnel can feel tired hand acid inevitably, and easy mistake appears influences the operation, and the operation is generally continuously gone on, hardly avoids through the person changing, if the person changing can influence the operation progress inevitably.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a medical cervical vertebra operation muscle expansion combined retractor which can be operated by one person and does not need auxiliary personnel to exert force for a long time and avoid error conditions is provided.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the utility model provides a medical cervical vertebra operation muscle expansion combination drag hook which characterized in that: comprises a connecting rod, a draw hook and a sliding follow-up mechanism;
the draw hook comprises two or more than two draw hooks, and the draw hook is provided with a horizontal mounting rod and a hook part with one end of the mounting rod extending downwards;
the sliding follow-up mechanism comprises two sliding follow-up mechanisms which are symmetrically arranged on the connecting rod, and each sliding follow-up mechanism comprises a sliding block, a mounting arm and a locking mechanism; the slide block is sleeved on the connecting rod and is connected with the connecting rod in a sliding mode, one end of the mounting arm is fixed to the side face of the slide block, the drag hook is located at the other end of the mounting arm, and the mounting rod is fixed to the mounting arm; the locking mechanism is used for preventing the sliding block from sliding towards the middle part of the connecting rod;
the locking mechanism comprises locking teeth, a spring, a top cover and a plurality of ratchets which are positioned on the upper end surface of the connecting rod and are arrayed at equal intervals along the length direction of the connecting rod; the top of the sliding block is downwards provided with a sliding hole matched with the locking tooth, and the locking tooth is positioned in the sliding hole and is in sliding connection with the sliding hole; the top of the sliding block is provided with a mounting hole at the position of the sliding hole, and the spring is positioned in the mounting hole; the top cover is fixed at the top of the sliding block; the lower end of the spring is in contact with the top of the lock tooth, and the upper end of the spring is in contact with the top cover; the ratchet is a right-angle tooth, the locking tooth slides on the inclined edge of the ratchet and can pass through the ratchet when the sliding block slides to the end part of the connecting rod, and the locking tooth is limited by the right-angle edge of the ratchet and cannot pass through the ratchet when the sliding block slides to the middle part of the connecting rod;
the lock gear is fixed with a shifting rod, the shifting rod penetrates through the sliding block, the sliding block is provided with a sliding groove in the position of the shifting rod, and the shifting rod can slide up and down in the sliding groove.
The further technical scheme is as follows: a plurality of draw hooks are fixed on the mounting arm in parallel.
The further technical scheme is as follows: the drag hook is fixed with the mounting arm by means of an adjusting and locking mechanism, and the adjusting and locking mechanism comprises a positioning screw rod and a connecting hole formed in the mounting arm; the mounting rod of the draw hook penetrates through the connecting hole, the positioning screw rod is in threaded connection with the mounting arm, and one end of the positioning screw rod tightly pushes the mounting rod.
The further technical scheme is as follows: install joint bearing in the connecting hole, the installation pole is connected with the installation arm with the help of joint bearing, joint bearing includes outer sphere and interior sphere, interior sphere middle part has the hole, the installation pole is worn to locate in the hole, and installs the pole with the help of two nuts and interior sphere locking, nut and installation pole threaded connection, outer sphere is fixed in the connecting hole, positioning screw runs through outer sphere and the tight interior sphere in tip top.
The further technical scheme is as follows: a handle is horizontally fixed on one side of the sliding block opposite to the mounting arm.
The further technical scheme is as follows: the handle and the deflector rod are positioned on the same side of the sliding block.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the connecting rod is symmetrically provided with sliding follow-up stop mechanisms, wherein when the sliding block slides to the end part of the connecting rod, the locking teeth slide on the bevel edge of the ratchet and can pass through the ratchet, when the sliding block slides to the middle part of the connecting rod, the locking teeth are limited by the right-angle edge of the ratchet and can not pass through the ratchet, when the retractor is used, the muscles on two sides of the surgical incision are pulled by two symmetrical drag hooks, and after the two sliding blocks are moved to be separated, the sliding block can be locked at the position through the locking teeth no matter which position is stopped, so that the muscles at the surgical incision are always kept in an open state, further, the auxiliary personnel do not need to apply tension to the drag hooks for a long time, the occurrence; the process can be completed by single person operation;
be fixed with the driving lever on the locking tooth, the undulant driving lever that makes progress can make locking tooth and ratchet separation, and the slider just can slide to the connecting rod middle part, is convenient for remove the drag hook after the operation is accomplished, and whole operation process is convenient, is favorable to the operation progress.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic sectional structure view of the sliding follow-up mechanism of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 and 2, a combined retractor for muscle expansion in cervical vertebra surgery comprises a connecting rod 1, a retractor 2 and a sliding follow-up mechanism 3; the drag hook 2 comprises two or more than two, and the drag hook 2 is provided with a horizontal mounting rod 21 and a hook part 22 extending downwards at one end of the mounting rod 21; the two sliding follow-up mechanisms 3 are symmetrically arranged on the connecting rod 1, and each sliding follow-up mechanism 3 comprises a sliding block 31, a mounting arm 32 and a locking mechanism 33; the slide block 31 is sleeved on the connecting rod 1 and is connected with the connecting rod in a sliding manner, one end of the mounting arm 32 is fixed on the side surface of the slide block 31, the drag hook 2 is positioned at the other end of the mounting arm 32, and the mounting rod 21 is fixed with the mounting arm 32; the locking mechanism 33 is used for preventing the sliding block 31 from sliding towards the middle part of the connecting rod 1; the locking mechanism comprises a locking tooth 331, a spring 332, a top cover 333 and a plurality of ratchet teeth 334 which are arranged on the upper end surface of the connecting rod 1 and are arrayed at equal intervals along the length direction of the connecting rod; the top of the sliding block 31 is provided with a sliding hole 335 matched with the locking tooth 331 downwards, and the locking tooth 331 is positioned in the sliding hole 335 and is connected with the sliding hole in a sliding way; the top of the slider 31 is provided with a mounting hole 336 at the position of the slide hole 335, and the spring 332 is positioned in the mounting hole 336; the top cover 333 is fixed on the top of the sliding block 31; the lower end of the spring 332 is contacted with the top of the locking tooth 331, and the upper end is contacted with the top cover 333; the ratchet 334 is a right-angle tooth, when the sliding block 31 slides to the end of the connecting rod 1, the locking tooth 331 slides on the bevel edge of the ratchet 334 and can pass through the ratchet 334, when the sliding block 31 slides to the middle of the connecting rod 1, the locking tooth 331 is limited by the bevel edge of the ratchet 334 and cannot pass through the ratchet 334; a shift lever 337 is fixed on the locking tooth 331, the shift lever 337 penetrates through the sliding block 31, a sliding groove 338 is formed in the sliding block 31 at the position of the shift lever 337, and the shift lever 337 can slide up and down in the sliding groove 338.
When the device is used, an operation assistant person puts the hook parts 22 of the two drag hooks 2 into an operation incision, moves the two slide blocks 31 to move towards the two ends of the connecting rod 1 respectively, and pulls the muscles at the operation incision by the hook parts 22 of the two drag hooks 2 to a proper position; the sliding block 31 can only slide towards the end part of the connecting rod 1 but can not slide towards the middle part of the connecting rod 1 under the matching of the locking tooth 331 and the ratchet 334, because the ratchet 334 is a right-angle tooth, when the sliding block 31 slides towards the end part of the connecting rod 1, the locking tooth 331 slides on the inclined edge of the ratchet 334 and can pass through the ratchet 334, when the sliding block 31 slides towards the middle part of the connecting rod 1, the locking tooth 331 is limited by the right-angle edge of the ratchet 334 and can not pass through the ratchet 334, therefore, when the sliding block 31 moves to the position, the sliding block 31 stops at the position, and the sliding block; after the operation is completed, the pulling hook 2 can be removed by lifting the pulling rod 337 upwards to disengage the locking tooth 331 from the ratchet 334 and moving the sliding block 31 to the middle of the connecting rod 1.
The connecting rod 1 is symmetrically provided with sliding follow-up stop mechanisms 3, wherein when the sliding block 31 slides towards the end part of the connecting rod 1, the locking tooth 331 slides on the bevel edge of the ratchet 334 and can pass through the ratchet 334, when the sliding block 31 slides towards the middle part of the connecting rod 1, the locking tooth 331 is limited by the right-angle edge of the ratchet 334 and can not pass through the ratchet 334, when in use, muscles at two sides of the surgical incision are pulled by two symmetrical draw hooks 2, and after the two sliding blocks 31 are moved to be separated, the sliding block 31 can be locked at the position through the locking tooth 331 no matter which position is stopped, so that the muscles at the surgical incision are always kept in an open state, further, the auxiliary personnel is not required to apply pulling force to the draw hooks 2 for a long time, the occurrence of error; the process can be completed by single person operation; be fixed with driving lever 337 on the locking tooth 331, undulant driving lever 337 upwards can make locking tooth 331 and ratchet 334 separate, and slider 31 just can slide to connecting rod 1 middle part, and the drag hook 2 is removed after being convenient for to the operation is accomplished, and whole operation process is convenient, is favorable to the operation progress.
A plurality of draw hooks 2 are fixed on the mounting arm 32 in parallel, and the arrangement of the draw hooks 2 can be realized through the draw hooks 2 when the operation incision is long and the muscle at the incision needs to be expanded comparatively large, so that the applicability and the universality are improved.
The drag hook 2 is fixed with the mounting arm 32 by means of an adjusting and locking mechanism 4, wherein the adjusting and locking mechanism 4 comprises a positioning screw rod 41 and a connecting hole 42 formed in the mounting arm 32; the mounting rod 21 of the drag hook 2 is arranged in the connecting hole 42 in a penetrating manner, the positioning screw rod 41 is in threaded connection with the mounting arm 32, and one end of the positioning screw rod 41 tightly pushes the mounting rod 21. The connecting position of the mounting rod 21 and the mounting arm 32 can be adjusted by adjusting the locking mechanism 4, so that the retractor 2 is suitable for the retractor 2 with different sizes, the retractor 2 can be changed conveniently according to the depth of the surgical incision, the retractor 2 can be detached by loosening the positioning screw rod 41, and the positioning screw rod 41 is screwed down after the retractor 2 is changed.
Install joint bearing 43 in connecting hole 42, installation pole 21 is connected with installation arm 32 with the help of joint bearing 43, joint bearing 43 includes outer sphere 44 and interior sphere 45, interior sphere 45 middle part has the hole, it is downthehole that installation pole 21 wears to locate, and installs pole 21 and lock with the help of two nuts 46 and interior sphere 45, nut 46 and installation pole 21 threaded connection, outer sphere 44 is fixed in connecting hole 42, sphere 45 in outer sphere 44 and the tight in tip top of positioning screw 41 run through.
After the positioning screw rod 41 is loosened, the angle between the drag hook 2 and the mounting arm 32 can be adjusted in multiple directions due to the joint bearing 43, so that the position of the drag hook 2 does not influence the operation, and the visual field of the doctor in the incision is improved.
A handle 5 is horizontally fixed on the slider 31 at the side opposite to the mounting arm 32, and the handle 5 is arranged to facilitate the movement of the slider 31.
The handle 5 and the shift lever 337 are located on the same side of the slider 31, so that the shift lever 337 can be lifted up when the hook 2 is removed, and the slider 31 can be moved by the handle 5.
The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.
Claims (6)
1. The utility model provides a medical cervical vertebra operation muscle expansion combination drag hook which characterized in that: comprises a connecting rod (1), a draw hook (2) and a sliding follow-up stop mechanism (3);
the draw hook (2) comprises two or more than two, and the draw hook (2) is provided with a horizontal mounting rod (21) and a hook part (22) with one end of the mounting rod (21) extending downwards;
the two sliding follow-up stop mechanisms (3) are symmetrically arranged on the connecting rod (1), and each sliding follow-up stop mechanism (3) comprises a sliding block (31), a mounting arm (32) and a locking mechanism (33); the sliding block (31) is sleeved on the connecting rod (1) and is in sliding connection with the connecting rod, one end of the mounting arm (32) is fixed to the side face of the sliding block (31), the draw hook (2) is located at the other end of the mounting arm (32), and the mounting rod (21) is fixed to the mounting arm (32); the locking mechanism (33) is used for preventing the sliding block (31) from sliding towards the middle part of the connecting rod (1);
the locking mechanism (33) comprises a locking tooth (331), a spring (332), a top cover (333) and a plurality of ratchet teeth (334) which are positioned on the upper end face of the connecting rod (1) and are arrayed at equal intervals along the length direction of the connecting rod; the top of the sliding block (31) is downwards provided with a sliding hole (335) matched with the lock tooth (331), and the lock tooth (331) is positioned in the sliding hole (335) and is in sliding connection with the sliding hole; the top of the sliding block (31) is provided with a mounting hole (336) at the position of the sliding hole (335), and the spring (332) is positioned in the mounting hole (336); the top cover (333) is fixed on the top of the sliding block (31); the lower end of the spring (332) is in contact with the top of the locking tooth (331), and the upper end of the spring is in contact with the top cover (333); the ratchet (334) is a right-angle tooth, when the sliding block (31) slides towards the end part of the connecting rod (1), the locking tooth (331) slides on the inclined edge of the ratchet (334) and can pass through the ratchet (334), and when the sliding block (31) slides towards the middle part of the connecting rod (1), the locking tooth (331) is limited by the right-angle edge of the ratchet (334) and cannot pass through the ratchet (334);
a driving lever (337) is fixed on the locking tooth (331), the driving lever (337) penetrates through the sliding block (31), a sliding groove (338) is formed in the position, located on the driving lever (337), of the sliding block (31), and the driving lever (337) can slide up and down in the sliding groove (338).
2. The combined retractor for muscle expansion in cervical vertebra surgery of claim 1, which is characterized in that: a plurality of draw hooks (2) are fixed on the mounting arm (32) in parallel.
3. The combined retractor for muscle expansion in cervical spine surgery according to claim 1 or 2, wherein: the draw hook (2) is fixed with the mounting arm (32) by means of an adjusting and locking mechanism (4), and the adjusting and locking mechanism (4) comprises a positioning screw rod (41) and a connecting hole (42) formed in the mounting arm (32); the mounting rod (21) of the draw hook (2) penetrates through the connecting hole (42), the positioning screw rod (41) is in threaded connection with the mounting arm (32), and one end of the positioning screw rod (41) abuts against the mounting rod (21).
4. The combined retractor for muscle expansion in cervical vertebra surgery of claim 3, wherein: install joint bearing (43) in connecting hole (42), installation pole (21) are connected with installation arm (32) with the help of joint bearing (43), joint bearing (43) are including outer sphere body (44) and interior sphere body (45), interior sphere body (45) middle part has the hole, it is downthehole that installation pole (21) are worn to locate the inner hole, and installs pole (21) and lock with interior sphere body (45) with the help of two nuts, nut and installation pole (21) threaded connection, outer sphere body (44) are fixed in connecting hole (42), positioning screw (41) run through outer sphere body (44) and tip top tight interior sphere body (45).
5. The combined retractor for muscle expansion in cervical vertebra surgery of claim 1, which is characterized in that: a handle (5) is horizontally fixed on one side of the sliding block (31) opposite to the mounting arm (32).
6. The combined retractor for muscle expansion in cervical vertebra surgery of claim 5, wherein: the handle (5) and the shifting lever (337) are positioned on the same side of the sliding block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421788.8U CN211560190U (en) | 2019-08-29 | 2019-08-29 | Medical cervical vertebra operation muscle expansion combination drag hook |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421788.8U CN211560190U (en) | 2019-08-29 | 2019-08-29 | Medical cervical vertebra operation muscle expansion combination drag hook |
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| CN211560190U true CN211560190U (en) | 2020-09-25 |
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| CN201921421788.8U Active CN211560190U (en) | 2019-08-29 | 2019-08-29 | Medical cervical vertebra operation muscle expansion combination drag hook |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129209A (en) * | 2021-12-07 | 2022-03-04 | 江西省人民医院 | Operation retractor capable of achieving multi-degree-of-freedom stepless adjustment |
| CN114376695A (en) * | 2022-01-17 | 2022-04-22 | 于小钧 | Centrum positioner that punches |
-
2019
- 2019-08-29 CN CN201921421788.8U patent/CN211560190U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129209A (en) * | 2021-12-07 | 2022-03-04 | 江西省人民医院 | Operation retractor capable of achieving multi-degree-of-freedom stepless adjustment |
| CN114129209B (en) * | 2021-12-07 | 2024-03-22 | 江西省人民医院 | Operation retractor capable of achieving stepless adjustment of multiple degrees of freedom |
| CN114376695A (en) * | 2022-01-17 | 2022-04-22 | 于小钧 | Centrum positioner that punches |
| CN114376695B (en) * | 2022-01-17 | 2024-01-12 | 西安市红会医院 | Centrum positioner that punches |
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