CN112890887A

CN112890887A - Retractor for orthopedics department

Info

Publication number: CN112890887A
Application number: CN202110040200.XA
Authority: CN
Inventors: 李浩正
Original assignee: Individual
Current assignee: Yunyang Renhe Street Central Health Center
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-06-04
Anticipated expiration: 2041-01-13
Also published as: CN112890887B

Abstract

The invention relates to an orthopedic retractor comprising: a housing; the moving device comprises two movable blocks which are movably arranged on the shell, one end of each movable block extends to the inner side of the shell, clamping components which penetrate through the movable blocks and are clamped with the shell are arranged on the inner sides of the movable blocks along the direction perpendicular to the shell, and pushing components which are used for driving the clamping components to move along the direction far away from the shell are arranged on the two sides of each movable block; the invention improves the operation retracting part adopted by the traditional retractor in the retracting state, converts the rack type retracting into the clamping sliding type retracting, adjusts the position of the moving device on the shell by the pushing of the pushing assembly and the matching use of the clamping assembly, does not cause the clamping assembly to have the dislocation and the like when an operator touches the retractor in the operation process, and improves the fixing effect of the operation part when the retractor is used.

Description

Retractor for orthopedics department

Technical Field

The invention relates to the technical field of equipment for orthopedic surgery, in particular to an orthopedic retractor.

Background

The orthopedic instrument is a professional medical instrument specially used for orthopedic surgery, and can play a good auxiliary effect when a surgical staff performs orthopedic surgery, so that a better surgical environment is provided for the surgical staff.

However, in the existing orthopedic retractor, the retraction process is usually adjusted by a rack form, and a slight inclination of the retraction portion is caused by a bias weight of a general adjustment portion, and an operator can easily contact the retractor and shake the retractor in the operation process, so that the rack adjustment portion is easily dislocated to influence the retraction range, and the inclination of the retraction portion is further increased along with the shake, thereby influencing the operation.

In order to solve the above problems, the present invention proposes an orthopedic retractor.

Disclosure of Invention

(1) Technical problem to be solved

The present invention aims to overcome the defects of the prior art, adapt to the practical needs, and provide an orthopedic retractor to solve the technical problems.

(2) Technical scheme

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

an orthopedic retractor, comprising:

a housing;

the moving device comprises two movable blocks which are movably arranged on the shell, one end of each movable block extends to the inner side of the shell, clamping components which penetrate through the movable blocks and are clamped with the shell are arranged on the inner sides of the movable blocks along the direction perpendicular to the shell, and pushing components which are used for driving the clamping components to move along the direction far away from the shell are arranged on the two sides of each movable block;

the retracting device comprises two retracting shells which are respectively connected with the extending ends of the two moving blocks and one end of each retracting shell penetrates through the adjacent side surfaces of the shell, the retracting shells and the adjacent moving blocks are vertically arranged, and a transverse retracting plate is arranged on each retracting shell;

the vertical retracting device comprises two first transmission assemblies which are respectively arranged in two retracting shells along the direction perpendicular to a moving block, two second transmission assemblies which are respectively connected with the two first transmission assemblies are arranged in the shell, the second transmission assemblies are used for driving the first transmission assemblies to rotate, one end of each second transmission assembly penetrates through the shell, two vertical retracting plates which penetrate through the retracting shells are arranged on the first transmission assemblies, and the first transmission assemblies are used for driving the two vertical retracting plates to move along the axial direction of the retracting shells in opposite directions.

Further, the screens subassembly includes that the travel bar that runs through the movable block along the direction towards the casing, be equipped with the arc wall on the travel bar, be equipped with compression spring between travel bar one end and the movable block.

Further, be equipped with the joint piece that a plurality of is the equidistance and arranges on the casing, the carriage release lever is close to the one end of casing and is equipped with a plurality of joint, distance and joint looks adaptation between two adjacent joint pieces.

Furthermore, the pushing assembly comprises a first spring connected with the outer side of the moving block, a pushing rod with one end penetrating through the moving block is arranged at the other end of the first spring, and a pulley in contact with the arc-shaped groove is arranged at the penetrating end of the pushing rod.

Furthermore, the first transmission assembly comprises a screw rod which is rotatably arranged in the retracting shell, a rotating wheel is arranged on the outer side of one end of the screw rod, a torsion spring is arranged between the rotating wheel and the inner side wall of the retracting shell, two sections of threads are arranged on the outer side of the screw rod, and the two vertical retracting plates are respectively arranged on the two sections of threads of the screw rod.

Further, the second transmission assembly comprises a fixed seat fixedly arranged in the shell, a rotating wheel is arranged on the inner side of the fixed seat in a rotatable mode, a rotating disc penetrating through the shell is arranged at one end of the rotating wheel, and a winding rope is sleeved between the rotating wheel and the rotating wheel.

The traction mechanism comprises a traction shell, a first transmission component and a second transmission component, wherein the traction shell is arranged on the traction shell, the first transmission component is movably arranged on the traction shell, the second transmission component is movably arranged on the traction shell, and the first transmission component and the second transmission component are movably arranged on the traction shell.

Furthermore, fixed subassembly includes two movable first vaulting poles of locating on the casing, and the carriage release lever links to each other with first vaulting pole, is equipped with the locating frame that is located second transmission subassembly and runs through the end outside between the looks remote site of two first vaulting poles, the locating frame is equipped with grafting post and the elastic clamping spare that is used for fixed second transmission subassembly position in proper order along two inside walls of first vaulting pole moving direction.

Furthermore, the elastic clamping piece comprises a second spring fixedly connected with the inner wall of the positioning frame, an arc-shaped contact plate in contact with the second clamping transmission assembly is arranged at the other end of the second spring, and a protection pad is arranged on the inner side of the arc-shaped contact plate.

Furthermore, the positioning device further comprises a second support rod arranged between the other ends of the two first support rods, a moving groove is formed in one end, far away from the shell, of the retracting shell, and the second support rod is matched with the moving groove.

(3) Has the advantages that:

A. the invention improves the operation retracting part adopted by the traditional retractor in the retracting state, converts the rack type retracting into the clamping sliding type retracting, adjusts the position of the moving device on the shell by the pushing of the pushing assembly and the matching use of the clamping assembly, does not cause the clamping assembly to have the conditions of dislocation and the like when an operator touches the retractor in the operation process, and improves the fixing effect of the operation part when the retractor is used.

B. When the retracting range of the retractor is determined by the movement of the moving device, the vertical retracting device in the retracting shell can move along with the moving block, and the vertical retracting plate can also move in a linkage manner under the matching use of the rotating disc, the winding rope, the rotating wheel and the torsional spring, so that the operation position can be retracted in a multi-azimuth manner, a better operation visual range is provided for the operating personnel, the connection structure of the vertical retracting device and the second transmission assembly is reasonable in design, and the synchronous retracting effect can be realized by the vertical retracting device and the transverse retracting plate.

C. The invention is also provided with a positioning device, when the retractor is retracted, the operator can press the pushing component to drive the clamping component to ascend and descend, so that the movable rod drives the fixing component to ascend and descend to realize a linkage effect, the second transmission component can be fixed, no fixing part needs to be additionally arranged, the operation process is reduced, meanwhile, the second support rod is driven to be matched with the movable groove, the stabilizing effect of the retractor in the retraction process can be further improved, and the first support rod and the second support rod can reset after the retraction operation is finished, so that the four-side support effect of a support seat type can be formed by contacting with the body of a patient, and the bearing capacity of the retractor on shaking when the retractor is impacted by the operation action of the operator is improved.

Drawings

FIG. 1 is an overall three-dimensional view of an orthopedic retractor of the present invention;

FIG. 2 is a top view of an orthopedic retractor of the present invention;

FIG. 3 is a top cross-sectional view of an orthopedic retractor of the present invention;

FIG. 4 is a schematic structural view of an orthopedic retractor fixation assembly of the present invention;

FIG. 5 is a front view of an orthopedic retractor of the present invention;

fig. 6 is an elevational cut-away view of an orthopedic retractor of the invention.

The reference numbers are as follows:

the device comprises a shell 1, a moving device 2, a moving block 21, a clamping component 22, a moving rod 2a, a clamping joint 2b, a pushing component 23, a first spring 231, a pushing rod 232, a pulley 233, a retracting device 3, a retracting shell 31, a transverse retracting plate 32, a vertical retracting device 4, a first transmission component 41, a screw rod 4a, a rotating wheel 4b, a torsion spring 4c, a vertical retracting plate 42, a second transmission component 5, a fixed seat 51, a rotating wheel 52, a rotating disc 53, a winding rope 54, a clamping block 6, a positioning device 7, a fixed component 71, a first supporting rod 711, a positioning frame 712, a splicing column 713, an elastic clamping piece 714, a second spring 7a, an arc-shaped contact plate 7b, a second supporting rod 715 and a moving rod 72.

Detailed Description

The invention will be further illustrated with reference to the following figures 1-6 and examples:

as shown in fig. 1, 2 and 3, an orthopedic retractor comprises:

a housing 1;

the mobile device 2 comprises two movable blocks 21 which are movably arranged on the shell 1, one end of each movable block 21 extends to the inner side of the shell 1, clamping components 22 which penetrate through the movable blocks 21 and are clamped with the shell 1 are arranged on the inner sides of the movable blocks 21 along the direction perpendicular to the shell 1, pushing components 23 which are used for driving the clamping components 22 to move along the direction far away from the shell 1 are arranged on the two sides of each movable block 21, the positions of the mobile device 2 on the shell 1 are adjusted by the pushing of the pushing components 23 and the matching use of the clamping components 22, in the operation process, when an operator touches the retractor, the clamping components 22 cannot be dislocated, and the fixing effect on an operation part is improved when the retractor is used;

the retracting device 3 comprises two retracting shells 31 which are respectively connected with the extending ends of the two moving blocks 21 and one end of each retracting shell is penetrated through the adjacent side surfaces of the shell 1, the retracting shells 31 are vertically arranged with the adjacent moving blocks 21, and a transverse retracting plate 32 is arranged on each retracting shell 31;

vertical retractor device 4, vertical retractor device 4 includes that two are located two first drive assembly 41 in retracting the shell 31 respectively along perpendicular to movable block 21 direction, be equipped with two second drive assembly 5 that link to each other with two first drive assembly 41 respectively in the casing 1, second drive assembly 5 is used for driving first drive assembly 41 and rotates, casing 1 is run through to the one end of second drive assembly 5, be equipped with two vertical distraction boards 42 that run through retracting shell 31 on the first drive assembly 41, first drive assembly 41 is used for driving two vertical distraction boards 42 and is opposite direction and removes along retracting shell 31 axis direction, the realization is carried out diversified the operation position and is retracted, provide the better operation visual scope of operating personnel.

In this embodiment, as shown in fig. 6, the blocking component 22 includes a moving rod 2a that penetrates the moving block 21 along the direction toward the housing 1, an arc-shaped groove is formed in the moving rod 2a, a compression spring is arranged between one end of the moving rod 2a and the moving block 21, the arc-shaped groove can improve the lifting stability of the moving rod 2a in the pushing process by the pushing component 23, and the compression spring is used for driving the moving rod 2a to reset when the pushing component 23 does not apply force to the blocking component 22.

Further, be equipped with the joint piece 6 that a plurality of is the equidistance and arranges on casing 1, the one end that carriage release lever 2a is close to casing 1 is equipped with a plurality of joint 2b, and distance and joint 2b looks adaptation between two adjacent joint pieces 6 utilize the joint of the joint piece 6 on a plurality of joint 2b and the casing 1, improve mobile device 2's fixed effect.

In this embodiment, as shown in fig. 6, the pushing assembly 23 includes a first spring 231 connected to the outer side of the moving block 21, the other end of the first spring 231 is provided with a pushing rod 232 having one end penetrating through the moving block 21, the penetrating end of the pushing rod 232 is provided with a pulley 233 contacting with the arc-shaped groove, when performing retraction operation, the stability of the lifting process of the locking assembly 22 can be improved by the contact of the pulley 233, and when completing the retraction operation, the pushing assembly 23 can be reset by the automatic reset of the first spring 231.

In this embodiment, as shown in fig. 3, the first transmission assembly 41 includes a screw rod 4a rotatably disposed in the retracting case 31, a rotating wheel 4b is disposed on an outer side of one end of the screw rod 4a, a torsion spring 4c is disposed between the rotating wheel 4b and an inner side wall of the retracting case 31, two threads are disposed on an outer side of the screw rod 4b, and two vertical retracting plates 42 are respectively disposed on the two threads of the screw rod 4 b;

further, the second transmission assembly 5 comprises a fixed seat 51 fixedly arranged inside the housing 1, a rotating wheel 52 is rotatably arranged on the inner side of the fixed seat 51, a rotating disc 53 penetrating through the housing 1 is arranged at one end of the rotating wheel 52, a plurality of inserting slots matched with the inserting posts 713 are formed in the rotating disc 53, a winding rope 54 is sleeved between the rotating wheel 52 and the rotating wheel 4b, and the winding rope 54 can realize the effect of rotating the rotating wheel 4b in the moving process of the rotating wheel 4b, so that the rotation of the screw rod 4b is driven to enable the vertical retracting plate 42 to perform retracting operation, and the torsion spring 4c is arranged to ensure that the winding rope 54 can be wound on the rotating wheel 4b again to perform the next retracting operation when the resetting operation is performed;

in this embodiment, as shown in fig. 3 and 4, the retractable type.

Further, the fixing component 71 includes two first support rods 711 movably disposed on the housing 1, the moving rod 72 is connected to the first support rods 711, a positioning frame 712 located at the outer side of the penetrating end of the second transmission component 5 is disposed between the opposite ends of the two first support rods 711, two inner side walls of the positioning frame 712 along the moving direction of the first support rods 711 are sequentially provided with an insertion column 713 and an elastic clamping member 714 for fixing the position of the second transmission component 5, and the insertion column 713 is used for inserting into the second transmission component 5 to fix the position of the second transmission component 5 in the moving process of the moving rod 72 driving the first support rods 711;

further, the elastic clamping piece 714 comprises a second spring 7a fixedly connected with the inner wall of the positioning frame 712, the other end of the second spring 7a is provided with an arc contact plate 7b in contact with the second clamping transmission assembly 5, the inner side of the arc contact plate is provided with a protection pad, when the fixing assembly 71 is reset, the arc contact plate 7b can be in contact with the second transmission assembly 5, the contact is realized by pressing down the second spring 7a, when the retraction degree of the vertical retraction device 4 needs to be adjusted subsequently, the arc contact plate 7b can be pulled open, the retraction range of the vertical retraction device 4 can be adjusted by operating the second transmission assembly 5, and the arc contact plate 7b is loosened when the retraction degree is not adjusted;

furthermore, the positioning device 7 further comprises a second support rod 715 arranged between the other ends of the two first support rods 711, a moving groove is formed in one end, far away from the shell 1, of the retracting shell 31, the second support rod 715 is matched with the moving groove, the second support rod 715 is driven by the rising of the moving rod 72 to be matched with the moving groove, the stabilizing effect of the retracting device 3 in the retracting process can be further improved, and when the moving rod 72 descends, the first support rod 711 and the second support rod 712 can reset to form a supporting seat type four-side supporting effect in contact with the body of a patient, so that the bearing capacity of the retractor for shaking when the retractor is touched by the operation action of an operator is improved.

The invention has the beneficial effects that:

the invention improves the operation retracting part adopted by the traditional retractor in the retracting state, converts the rack type retracting into the clamping sliding type retracting, adjusts the position of the moving device 2 on the shell 1 by the pushing of the pushing assembly 23 and the matching use of the clamping assembly 22, does not cause the clamping assembly 22 to have dislocation and the like when an operator touches the retractor in the operation process, and improves the fixing effect of the retractor on the operation part.

When the retracting range of the retractor is determined by the movement of the moving device 2, the vertical retracting device 4 in the retracting shell 31 can move along with the moving block 21, the rotating disc 53, the winding rope 54, the rotating wheel 4b and the torsion spring 4c are matched for use, the vertical retracting plate 42 can also move in a linkage manner, so that multidirectional retracting of an operation position is realized, a better operation visible range is provided for an operator, the connection structure of the vertical retracting device 4 and the second transmission assembly 5 is reasonable in design, and the synchronous retracting effect can be realized by the horizontal retracting plate 31.

The invention is also provided with a positioning device 7, when in retracting process, the operator can press the pushing component 23 to drive the clamping component 22 to lift, so that the moving rod 72 drives the fixing component 71 to lift to realize linkage effect, the second transmission component 5 can be fixed without additionally arranging a fixing piece, the operation flow is reduced, meanwhile, the second support rod 715 is driven to be matched with the moving groove, the stabilizing effect of the retracting device 3 in the retracting process can be further improved, and after retracting operation is finished, the first support rod 711 and the second support rod 712 can reset to be contacted with the body of a patient to form a support type four-side support effect, so that the bearing capacity of the retractor for shaking when being touched by the operation action of the operator is improved.

The working principle is as follows: when the retracting operation is performed, firstly, an operator presses the push rod 232 to drive the movable rod 2a to ascend to remove the clamping with the shell 1, at this time, the inserting column 713 also ascends to insert the rotating disc 53 to fix the rotating wheel 52, the second support rod 715 ascends to be matched and embedded with the moving groove on the retracting shell 31, then, the moving block 21 is moved outwards to cause the transverse retracting plate 32 to retract the surgical site, at this time, the vertical retracting plate 42 also moves on the screw rod 4a, when the surgical site is retracted to a target position, the fixing of the transverse retracting plate 32 can be realized by loosening the push rod 232, namely, the double retracting of the transverse direction and the vertical direction of the surgical site is completed, meanwhile, if the vertical range needs to be expanded, the operator can lift the arc-shaped contact plate 7b, the rotating disc 53 can be rotated to realize the further movement of the vertical retracting plate 42, when the retracting plate is retracted to the target degree, the rotating disc 53 can be clamped, i.e. the entire retraction process is completed.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. An orthopedic retractor, comprising:

a housing (1);

the moving device (2) comprises two movable blocks (21) which are movably arranged on the shell (1) and one end of each movable block (21) extends to the inner side of the shell (1), clamping components (22) which penetrate through the movable blocks (21) and are clamped with the shell (1) are arranged on the inner sides of the movable blocks (21) along the direction perpendicular to the shell (1), and pushing components (23) which are used for driving the clamping components (22) to move along the direction far away from the shell (1) are arranged on the two sides of each movable block (21);

the retracting device (3) comprises two retracting shells (31) which are respectively connected with the extending ends of the two moving blocks (21) and one end of each retracting shell penetrates through the adjacent side face of the shell (1), the retracting shells (31) are vertically arranged with the adjacent moving blocks (21), and the retracting shells (31) are provided with transverse retracting plates (32);

the vertical retracting device (4) comprises two first transmission assemblies (41) which are respectively arranged in two retracting shells (31) along the direction perpendicular to a moving block (21), two second transmission assemblies (5) which are respectively connected with the two first transmission assemblies (41) are arranged in the shell (1), the second transmission assemblies (5) are used for driving the first transmission assemblies (41) to rotate, one end of each second transmission assembly (5) penetrates through the shell (1), two vertical retracting plates (42) which penetrate through the retracting shells (31) are arranged on the first transmission assemblies (41), and the first transmission assemblies (41) are used for driving the two vertical retracting plates (42) to move in opposite directions along the axis direction of the retracting shells (31).

2. The orthopedic retractor of claim 1, wherein: the clamping assembly (22) comprises a moving rod (2a) penetrating through the moving block (21) along the direction towards the shell (1), an arc-shaped groove is formed in the moving rod (2a), and a compression spring is arranged between one end of the moving rod (2a) and the moving block (21).

3. The orthopedic retractor of claim 2, wherein: be equipped with joint piece (6) that a plurality of is the equidistance and arranges on casing (1), the one end that carriage release lever (2a) is close to casing (1) is equipped with a plurality of joint (2b), distance and joint (2b) looks adaptation between two adjacent joint pieces (6).

4. The orthopedic retractor of claim 3, wherein: the pushing assembly (23) comprises a first spring (231) connected with the outer side of the moving block (21), the other end of the first spring (231) is provided with a pushing rod (232) with one end penetrating through the moving block (21), and the penetrating end of the pushing rod (232) is provided with a pulley (233) contacted with the arc-shaped groove.

5. The orthopedic retractor of claim 1, wherein: the first transmission assembly (41) comprises a screw rod (4a) which is rotatably arranged in the retracting shell (31), a rotating wheel (4b) is arranged on the outer side of one end of the screw rod (4a), a torsion spring (4c) is arranged between the rotating wheel (4b) and the inner side wall of the retracting shell (31), two sections of threads are arranged on the outer side of the screw rod (4b), and two vertical retracting plates (42) are respectively arranged on the two sections of threads of the screw rod (4 b).

6. The orthopedic retractor of claim 5, wherein: second drive assembly (5) are including fixed fixing base (51) of locating casing (1) inside, the inboard rotatable formula of fixing base (51) is equipped with rotates wheel (52), the one end of rotating wheel (52) is equipped with rolling disc (53) that run through casing (1), the cover is equipped with between rotation wheel (52) and runner (4b) and twines rope (54).

7. The orthopedic retractor of any of claims 1-6, wherein: still include positioner (7), positioner (7) are relative respectively on locating the both sides face of casing (1) with drawing shell (31), positioner (7) are including movable locate casing (1) on be used for fixed second drive assembly (5) fixed subassembly (71) of position, movable removal pole (72) that are equipped with the other end and screens subassembly (22) fixed connection on fixed subassembly (71).

8. The orthopedic retractor of claim 7, wherein: fixed subassembly (71) include two movable locate first vaulting pole (711) on casing (1), and carriage release lever (72) link to each other with first vaulting pole (711), are equipped with between the looks remote site of two first vaulting poles (711) to be located second transmission subassembly (5) and run through locating frame (712) in the end outside, two inside walls of locating frame (712) along first vaulting pole (711) moving direction are equipped with in proper order and are used for fixed second transmission subassembly (5) position peg graft post (713) and elastic clamping piece (714).

9. The orthopedic retractor of claim 8, wherein: elastic clamping piece (714) include with locating frame (712) inner wall fixed connection's second spring (7a), the other end of second spring (7a) is equipped with arc contact plate (7b) with second card transmission assembly (5) contact, the inboard of arc contact plate is equipped with the protection and fills up.

10. The orthopedic retractor of claim 9, wherein: the fixing assembly (71) further comprises a second support rod (715) arranged between the other ends of the two first support rods (711), a moving groove is formed in one end, far away from the shell (1), of the retracting shell (31), and the second support rod (715) is matched with the moving groove.