CN214804958U - Semi-automatic retractor for cervical vertebra - Google Patents
Semi-automatic retractor for cervical vertebra Download PDFInfo
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- CN214804958U CN214804958U CN202120140330.6U CN202120140330U CN214804958U CN 214804958 U CN214804958 U CN 214804958U CN 202120140330 U CN202120140330 U CN 202120140330U CN 214804958 U CN214804958 U CN 214804958U
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Abstract
The utility model relates to an operation auxiliary instrument technical field, specifically speaking relates to a semi-automatic drag hook of cervical vertebra, including the base, the centre of base is equipped with logical groove, and the bottom surface of base is close to front end department welded fastening and is had the fixed hook, leads to sliding connection in the groove and has the push-and-pull piece, and the push-and-pull piece includes the slide, and the bottom surface of slide is close to front end department welded fastening and has the loose hook, has the fixed plate through connecting pin articulated directly over the slide, and there is the expansion bracket the rear end of base through bolted connection, and the rear end of expansion bracket is connected with the opening through the pin rotation and presss from both sides. The semi-automatic cervical vertebra retractor can mechanically open an operation wound, can keep stable state for a long time, does not influence the operation visual field, can be used by doctors to adjust the position of the retractor by one hand to change the state of the wound, is simple and convenient to operate, saves time and labor, reduces the risk of operation errors possibly caused by manual instability, and saves labor; meanwhile, the device can be conveniently installed, the position can be adjusted according to the position, the size and the depth of a wound, and the practicability is high.
Description
Technical Field
The utility model relates to a supplementary apparatus technical field of operation, specifically speaking relates to a semi-automatic drag hook of cervical vertebra.
Background
When the cervical vertebra is operated, the neck is needed to be cut open to expose the operation position. In practice, an assistant is usually required to manually open the wound by using a tool such as forceps, and then the surgeon performs the operation until the operation is finished. In this process, because of manual operation is not stable enough, can't keep the stability of wound state of strutting for a long time, probably lead to influencing the operation field of vision, two people's operations can be influential to the operation process, increase the operation error risk, extravagant manual work moreover.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a semi-automatic drag hook of cervical vertebra to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a semi-automatic drag hook of cervical vertebra, includes the base, the centre of base is equipped with logical groove, the bottom surface of base is close to front end department welded fastening has the fixed hook, it has the push-and-pull piece to lead to sliding connection in the groove, the push-and-pull piece includes the slide, the bottom surface of slide is close to front end department welded fastening has the fly hook, it has the fixed plate to articulate through the connecting pin directly over the slide, there is the expansion bracket the rear end of base through bolted connection, the rear end of expansion bracket is connected with the opening through the pin rotation and presss from both sides.
Preferably, two sliding grooves are oppositely arranged in the middle of the left inner side wall and the right inner side wall of the through groove, and a plurality of limiting grooves are arranged right above the sliding grooves at equal intervals.
Preferably, the lower end portion of the fixing hook is arc-shaped, and the front end of the fixing hook is a concave surface.
Preferably, the left end and the right end of the sliding plate are respectively clamped in the two sliding grooves in a sliding manner, and the top surface of the sliding plate, which is close to the rear end, is fixedly welded with two outer connecting blocks side by side.
Preferably, the direction of the concave surface of the movable hook is opposite to that of the concave surface of the fixed hook, and the movable hook is flush with the bottom surface of the fixed hook.
Preferably, the bottom surface front end integrated into one piece of fixed plate has spacing, spacing size with spacing recess's size looks adaptation, spacing length and the corresponding two in position spacing recess is controlled between the inside wall and is equaled, spacing both ends respectively with the corresponding two in position spacing recess joint cooperation.
Preferably, the rear end integrated into one piece of fixed plate has the wane, welded fastening has two internal connection pieces side by side in the middle of the bottom surface of fixed plate, internal connection piece with the size of outer connecting block equals, two internal connection piece is located two between the outer connecting block.
Preferably, a return spring is movably sleeved in the middle of the connecting pin and located between the two inner connecting blocks, and two end parts of the return spring extend backwards.
Preferably, the expansion bracket comprises an outer sleeve, and an expansion link is clamped in the outer sleeve in a sliding manner.
Preferably, the rear end of the split clamp is open, and clamping pieces are integrally formed on two sides of the open end of the split clamp.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the semi-automatic cervical vertebra retractor is provided with the base with the fixed hook and the movable hook, the movable hook is fixed on the push-pull piece convenient to operate, the operation wound is mechanically opened, the state can be kept stable for a long time, the operation visual field cannot be influenced, and a doctor can adjust the position of the retractor by one hand to change the state of the wound in an operation, so that the semi-automatic cervical vertebra retractor is simple and convenient to operate, time-saving and labor-saving, the operation error risk possibly caused by manual instability is reduced, and the labor is saved;
2. this semi-automatic drag hook of cervical vertebra is through setting up expansion bracket and opening clamp, makes this drag hook can convenient installation to can be according to wound position, size and depth adjusting position, the practicality is stronger.
Drawings
Fig. 1 is a schematic view of the overall structure of the utility model;
FIG. 2 is a schematic view of a partially disassembled structure of the utility model;
FIG. 3 is a schematic view of a partial half-section structure of the utility model;
FIG. 4 is a schematic view of the detachable structure of the middle push-pull member of the utility model;
fig. 5 is a schematic view of a partial structure of the utility model.
In the figure:
1. a base; 11. a through groove; 12. a chute; 13. a limiting groove;
2. a fixed hook;
3. a push-pull member; 31. a slide plate; 311. an outer connecting block; 32. a movable hook; 33. a fixing plate; 331. a limiting strip; 332. a seesaw; 333. an inner connection block; 34. a return spring; 35. a connecting pin;
4. a telescopic frame; 41. an outer sleeve; 42. a telescopic rod;
5. a split clamp; 51. a clip.
Detailed Description
The technical solution in the present invention will be clearly and completely described below with reference to the drawings in the present invention, and it is obvious that the described utility model is only a part of the utility model rather than the whole utility model. Based on utility model provides a, all other utility model that the ordinary skilled person in the art obtained under the prerequisite of not making creative work all belong to the utility model discloses the scope of protection.
In the description of the present invention, it is to be understood that the terms "middle", "length", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a semi-automatic drag hook of cervical vertebra, which comprises a base 1, the centre of base 1 is equipped with logical groove 11, the bottom surface of base 1 is close to front end department welded fastening has fixed hook 2, it has push-and-pull piece 3 to lead to sliding connection in groove 11, push-and-pull piece 3 includes slide 31, the bottom surface of slide 31 is close to front end department welded fastening has movable hook 32, it has fixed plate 33 to articulate through connecting pin 35 directly over slide 31, there is expansion bracket 4 rear end of base 1 through bolted connection, the rear end of expansion bracket 4 is connected with opening clamp 5 through the pin rotation.
In this embodiment, two sliding grooves 12 are oppositely arranged in the middle of the left and right inner side walls of the through groove 11.
Furthermore, the left and right ends of the sliding plate 31 are respectively slidably engaged in the two sliding grooves 12, so that the push-pull member 3 can slide back and forth in the through groove 11.
In this embodiment, the lower end portion of the fixing hook 2 is arc-shaped, and the front end of the fixing hook 2 is a concave surface.
Further, the directions of the concave surfaces of the movable hook 32 and the fixed hook 2 are opposite, so that the rest movable hooks 32 of the fixed hook 2 can simultaneously face outwards to prop open the wound and assist a doctor in performing an operation.
Specifically, the movable hook 32 is flush with the bottom surface of the fixed hook 2, so that the shape of the wound is smooth, and the two sides of the wound are uniformly stressed.
In this embodiment, a plurality of limiting grooves 13 are arranged right above the sliding groove 12 at equal intervals.
Further, a stopper 331 is integrally formed at the front end of the bottom surface of the fixing plate 33.
Specifically, the size of the limiting strip 331 is matched with the size of the limiting groove 13, and the length of the limiting strip 331 is equal to the distance between the left inner side wall and the right inner side wall of the two limiting grooves 13 corresponding to the positions.
In the use process, the two ends of the limiting strip 331 are respectively in clamping fit with the two limiting grooves 13 corresponding to the positions, so that the position of the push-pull piece 3 is convenient to fix, and the push-pull piece is prevented from sliding back and forth freely.
In this embodiment, two outer connecting blocks 311 are welded and fixed side by side on the top surface of the sliding plate 31 near the rear end.
Further, the rear end of the fixed plate 33 is integrally formed with a rocker 332, the rocker 332 tilts to the rear and upwards, the front end of the fixed plate 33 can tilt by pressing the rocker 332, the limiting strip 331 is separated from the limiting groove 13, and the pushing and pulling piece 3 can be moved.
In this embodiment, two inner connection blocks 333 are welded and fixed in parallel in the middle of the bottom surface of the fixing plate 33, the inner connection blocks 333 are equal in size to the outer connection blocks 311, and the two inner connection blocks 333 are located between the two outer connection blocks 311.
Further, a return spring 34 is movably sleeved in the middle of the connecting pin 35.
Specifically, the return spring 34 is located between the two inner connection blocks 333, that is, the connection pin 35 passes through the outer connection block 311, the inner connection block 333, the return spring 34 on one side, and the inner connection block 333 and the outer connection block 311 on the other side in this order.
In addition, two end parts of reset spring 34 all extend towards the back, make two ends of reset spring 34 respectively to the rear end application of force of wane 332 and slide 31, press the wane 332 and make fixed plate 33 front end perk, loose hand after-fixing plate 33 can return the normal position under reset spring 34's elastic force effect to avoid spacing strip 331 to loosen by oneself and take off, play the effect of strengthening fixed push-and-pull piece 3.
In this embodiment, the telescopic frame 4 includes an outer sleeve 41, and a telescopic rod 42 is slidably engaged in the outer sleeve 41.
Further, when the retractor is fixed on one side of the operating bed, the telescopic frame 4 is used for extending the base 1 to the wound of the patient.
Wherein, a limiting or fixing structure should be arranged between the telescopic rod 42 and the outer sleeve 41, and the structure can be a threaded connection structure, and can also be realized through an external structure.
In this embodiment, the rear end of the open clip 5 is open, and the clip pieces 51 are integrally formed on both sides of the open end of the open clip 5.
Further, a split clamp 5 is used to secure the device to a surgical bed frame or other instrument holder.
Specifically, the two clamping pieces 51 are connected by bolts, so that the clamping pieces can be conveniently installed at positions with different sizes.
In addition, the base 1, the fixing hook 2 and the push-pull piece 3 are all preferably made of medical grade stainless steel, and the material is firm and durable.
In addition, the fixed hook 2 and the movable hook 32 can also be made of medical silica gel or hard plastic, so that the stimulation of the cold temperature of the hook piece to the skin of a patient can be reduced.
When the semi-automatic retractor for cervical vertebra of the utility model is used, firstly the device is fixed on a position with proper height through the opening clamp 5, secondly the position is adjusted through the expansion bracket 4, the base 1 is moved right above the wound of a patient, then the fixed hook 2 and the movable hook 32 are simultaneously stretched into the inner side of the wound of the patient, then the wound is stretched through the movable push-pull piece 3, when the wound is stretched to a proper size, the limit strip 331 is aligned to the limit groove 13 with a proper position for fixing; during use, the doctor can perform the operation of moving the position of the push-pull member 3 with one hand.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. The technical personnel of this trade should understand, the utility model does not receive the restriction of above-mentioned utility model, and what describe in above-mentioned utility model and the description only does the preferred example of the utility model to need not restrict the utility model, under the prerequisite that does not deviate from the spirit and scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the scope of the utility model that claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a semi-automatic drag hook of cervical vertebra which characterized in that: including base (1), the centre of base (1) is equipped with logical groove (11), the bottom surface of base (1) is close to front end department welded fastening and has fixed hook (2), it has push-and-pull piece (3) to lead to sliding connection in groove (11), push-and-pull piece (3) are including slide (31), the bottom surface of slide (31) is close to front end department welded fastening and has activity hook (32), it has fixed plate (33) to articulate through connecting pin (35) directly over slide (31), the rear end of base (1) has expansion bracket (4) through bolted connection, the rear end of expansion bracket (4) is connected with opening clamp (5) through the pin rotation.
2. The semi-automatic retractor for cervical vertebrae according to claim 1, wherein: two chutes (12) are oppositely arranged in the middle of the left inner side wall and the right inner side wall of the through groove (11), and a plurality of limiting grooves (13) are arranged right above the chutes (12) at equal intervals.
3. The semi-automatic retractor for cervical vertebrae according to claim 1, wherein: the lower end part of the fixed hook (2) is arc-shaped, and the front end of the fixed hook (2) is a sunken surface.
4. The semi-automatic retractor for cervical vertebrae according to claim 2, wherein: the left end and the right end of the sliding plate (31) are respectively clamped in the two sliding grooves (12) in a sliding manner, and two outer connecting blocks (311) are welded and fixed side by side on the top surface of the sliding plate (31) close to the rear end.
5. The semi-automatic retractor for cervical vertebrae according to claim 3, wherein: the movable hook (32) and the sunken surface of the fixed hook (2) are opposite in direction, and the movable hook (32) is flush with the bottom surface of the fixed hook (2).
6. The semi-automatic retractor for cervical vertebrae according to claim 2, wherein: the bottom surface front end integrated into one piece of fixed plate (33) has spacing (331), the size of spacing (331) with the size looks adaptation of spacing recess (13), the length and the position of spacing (331) are corresponding two interval between the inside wall is equal about spacing recess (13), the both ends of spacing (331) respectively with the position corresponding two spacing recess (13) joint cooperation.
7. The semi-automatic retractor for cervical vertebrae according to claim 4, wherein: the rear end integrated into one piece of fixed plate (33) has wane (332), side by side welded fastening has two in-connection piece (333) in the middle of the bottom surface of fixed plate (33), in-connection piece (333) with the size of outer joint piece (311) equals, two in-connection piece (333) are located two between outer joint piece (311).
8. The semi-automatic retractor for cervical vertebrae according to claim 7, wherein: the middle of the connecting pin (35) is movably sleeved with a return spring (34), the return spring (34) is positioned between the two inner connecting blocks (333), and two end parts of the return spring (34) extend backwards.
9. The semi-automatic retractor for cervical vertebrae according to claim 1, wherein: the telescopic frame (4) comprises an outer sleeve (41), and a telescopic rod (42) is clamped in the outer sleeve (41) in a sliding manner.
10. The semi-automatic retractor for cervical vertebrae according to claim 1, wherein: the rear end of the opening clamp (5) is opened, and clamping pieces (51) are integrally formed on two sides of the opening end of the opening clamp (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120140330.6U CN214804958U (en) | 2021-01-19 | 2021-01-19 | Semi-automatic retractor for cervical vertebra |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120140330.6U CN214804958U (en) | 2021-01-19 | 2021-01-19 | Semi-automatic retractor for cervical vertebra |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214804958U true CN214804958U (en) | 2021-11-23 |
Family
ID=78883033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120140330.6U Active CN214804958U (en) | 2021-01-19 | 2021-01-19 | Semi-automatic retractor for cervical vertebra |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214804958U (en) |
-
2021
- 2021-01-19 CN CN202120140330.6U patent/CN214804958U/en active Active
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