CN215018166U - Retractor for orthopedics department - Google Patents
Retractor for orthopedics department Download PDFInfo
- Publication number
- CN215018166U CN215018166U CN202120712537.6U CN202120712537U CN215018166U CN 215018166 U CN215018166 U CN 215018166U CN 202120712537 U CN202120712537 U CN 202120712537U CN 215018166 U CN215018166 U CN 215018166U
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- China
- Prior art keywords
- hinge
- mounting
- cover plate
- spring
- handle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims 3
- 230000007547 defect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of surgical instruments and discloses an orthopedic retractor, which comprises a first handle and a second handle which are hinged with each other, wherein one end parts of the first handle and the second handle are respectively provided with a stretching arm through a movable joint, and one end part of the stretching arm is provided with a plate page through an installation mechanism; one end part of each opening arm is provided with a spring installation cavity, the opening of each spring installation cavity is provided with a cover plate, the middle part of each cover plate is provided with a through hole, and positioning holes are uniformly distributed in the cover plate along the circumferential direction of the through holes; the mounting mechanism comprises a mounting shaft penetrating through the through hole and extending into the spring mounting cavity, a baffle ring is arranged on the mounting shaft positioned in the spring mounting cavity, a positioning column extending out of the corresponding positioning hole is arranged on the baffle ring, and a spring used for pushing the baffle ring to extrude the cover plate is sleeved on the mounting shaft. Through the setting of installation mechanism, realize adjusting the angle of board page or leaf better, the actual use of the retractor of being convenient for.
Description
Technical Field
The utility model relates to the technical field of surgical instruments, in particular to an orthopedic retractor.
Background
The retractor is also called a draw hook, is used for retracting tissues, exposes the range needing an operation, is convenient to explore and operate, and can be divided into a handheld draw hook and an automatic draw hook.
Application number CN201920556376.9 discloses a retractor for orthopedics department, which comprises a left handle, a right handle, a left distraction arm, a right distraction arm and a pair of plate pages; the upper end of the left handle is connected with the upper end of the right handle through a first movable joint, the upper end of the left handle is connected with the lower end of the distraction right arm through a right arc-shaped section, the upper end of the right handle is connected with the lower end of the distraction left arm through a left arc-shaped section, the upper end of the distraction right arm is connected with the upper end of one plate, and the upper end of the distraction left arm is connected with the upper end of the other plate; the pair of plate pages is vertically connected with the opening left arm and the opening right arm in 90 degrees; the lower ends of the pair of plate leaves are arranged in an outward bending shape; the opposite surfaces of the pair of board pages are provided with arc surfaces protruding outwards. Although the retractor has a reasonable structure and is better suitable for orthopedic surgery, the retractor still has the defect of inconvenient use due to the fixed angle of the plate.
SUMMERY OF THE UTILITY MODEL
The utility model provides an orthopedic retractor, which aims at the defects of inconvenient use caused by fixed angle of the plate and leaf in the prior art. The angle of the plate can be adjusted, and the retractor can be used practically conveniently.
In order to solve the above technical problem, the present invention solves the above technical problems.
An orthopedic retractor comprises a first handle and a second handle which are hinged with each other, wherein one end parts of the first handle and the second handle are respectively provided with an opening arm through a movable joint, and one end part of the opening arm is provided with a plate page through a mounting mechanism; one end part of each opening arm is provided with a spring installation cavity, the opening of each spring installation cavity is provided with a cover plate, the middle part of each cover plate is provided with a through hole, and positioning holes are uniformly distributed in the cover plate along the circumferential direction of the through holes; the mounting mechanism comprises a mounting shaft penetrating through the through hole and extending into the spring mounting cavity, a baffle ring is arranged on the mounting shaft positioned in the spring mounting cavity, a positioning column extending out of the corresponding positioning hole is arranged on the baffle ring, and a spring used for pushing the baffle ring to extrude the cover plate is sleeved on the mounting shaft.
Through the utility model provides an installation mechanism's setting realizes adjusting the angle of board page or leaf better, the in-service use of the retractor of being convenient for.
Preferably, the mounting shaft is provided with a fixed seat, the fixed seat is provided with a hinge groove, the hinge groove is internally provided with a screw rod which can rotate and one end of which extends out of the fixed seat, the screw rod positioned in the hinge groove is provided with a gear, and the end part of the screw rod extending out of the fixed seat is provided with a nut for fixing the screw rod in a threaded manner; the lower tip of board page or leaf is equipped with and articulates the articulated piece in the articulated inslot, is equipped with on the articulated piece to supply the screw rod to pass and be the mounting groove of semicircle form, is equipped with the rack with gear engaged with on the arc lateral wall of mounting groove.
Through the utility model provides a structure for can drive articulated piece through twisting the nut and rotating the screw rod and rotate, thereby adjust the inclination of board page or leaf, convenient to use.
Preferably, the outer side wall of the cover plate extends outwardly to form a sleeve that fits over the arm and is secured to the arm by screws, preferably to effect assembly of the mounting mechanism to the arm.
Preferably, the opposite side walls of the hinge grooves are relatively provided with hinge holes, the side walls of the hinge blocks are provided with hinge shafts extending into the corresponding hinge holes, and the hinge blocks are preferably connected in the hinge grooves in a hinged mode.
Preferably, a bearing mounting hole is formed in one side groove of the hinge groove, and an end portion of the screw rod is mounted in the bearing mounting hole through a bearing, so that the screw rod can be rotatably arranged.
Preferably, keep off ring thread installation on the installation axle, be convenient for better control the locating hole and carry on spacingly to the reference column.
Preferably, the end part of the positioning column extending into the positioning hole is hemispherical, so that the positioning column can extend into the positioning hole conveniently.
Drawings
Fig. 1 is a schematic view of an orthopedic retractor of example 1;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic mechanism diagram of a cover plate in embodiment 1;
FIG. 4 is a schematic view of a mounting mechanism in embodiment 1;
fig. 5 is a schematic view of a leaf and a hinge block in embodiment 1.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.
Example 1
As shown in fig. 1 to 5, the present embodiment provides an orthopedic retractor, which comprises a first handle 110 and a second handle 120 hinged to each other, wherein one end of each of the first handle 110 and the second handle 120 is provided with a spreading arm 130 through a movable joint, and one end of the spreading arm 130 is provided with a plate 210 through a mounting mechanism 200; one end part of each of the opening arms 130 is provided with a spring installation cavity, a cover plate 300 is arranged at an opening of each spring installation cavity, a through hole 301 is formed in the middle of each cover plate 300, and positioning holes 302 are uniformly distributed in the cover plate 300 along the circumferential direction of the through holes 301; the mounting mechanism 200 includes a mounting shaft 410 penetrating through the through hole 301 and extending into the spring mounting cavity, a stop ring 411 is disposed on the mounting shaft 410 in the spring mounting cavity, a positioning post 412 extending out of the corresponding positioning hole 302 is disposed on the stop ring 411, and a spring 420 for pushing the stop ring 411 to squeeze the cover plate 300 is sleeved on the mounting shaft 410.
Through the structure in the embodiment, the mounting mechanism 200 is pressed to move the mounting shaft 410 into the spring mounting hole to drive the baffle ring 411 to move into the spring mounting cavity, so that the positioning column 412 is separated from the positioning hole 302 to further release the limit on the mounting shaft 410, at the moment, the mounting mechanism 200 is rotated to adjust the angle of the plate 210 mounted thereon, after the angle adjustment of the plate 210 is completed, the mounting mechanism 200 is loosened, the spring 420 pushes the baffle ring 411 to move towards the cover plate 300, so that the positioning column 412 extends into the corresponding positioning hole 302, further, the positioning hole 302 can limit the positioning column 412, the mounting shaft 410 is limited and fixed, the angle of the plate 210 mounted on the mounting mechanism 200 is fixed, and the use of the retractor is facilitated; the present embodiment preferably achieves the adjustment of the angle of the leaf 210 by the installation mechanism 200.
In this embodiment, a fixing seat 430 is disposed on the mounting shaft 410, a hinge groove 431 is disposed on the fixing seat 430, a screw 440 that can rotate and has one end extending out of the fixing seat 430 is disposed in the hinge groove 431, a gear 441 is disposed on the screw 440 located in the hinge groove 4311, and a nut 442 for fixing the screw 440 is disposed on the end of the screw 440 extending out of the fixing seat 430; the lower end of the leaf 210 is provided with a hinge block 500 hinged in the hinge groove 431, the hinge block 500 is provided with a semicircular mounting groove 501 for the screw 440 to pass through, and the arc-shaped side wall of the mounting groove 501 is provided with a rack 502 meshed with the gear 441.
Through the structure in the embodiment, when the nut 442 is screwed to remove the fixation of the screw 440, the screw 440 can be rotated to drive the gear 441 to rotate, because the gear 441 is meshed with the rack 502 and the hinge block 500 is hinged in the hinge groove 431, the gear 441 can be rotated to drive the hinge block 500 to rotate around the hinge shaft, so as to adjust the inclination angle of the plate 210 on the hinge block 500, when the nut 442 is screwed to extrude the fixing seat 430 to make the screw 440 incapable of rotating, so that the hinge block 500 is fixed, the position of the plate 210 is fixed, and the normal use of the retractor is facilitated.
In this embodiment, the outer sidewall of the cover plate 300 is extended outward to form a sleeve 303 covering the opening arm 130, and the sleeve 303 is fixed to the opening arm 130 by screws.
Through the structure in the embodiment, the cover plate 300 can be preferably disassembled and assembled at the opening of the spring installation cavity through the screw fixing sleeve 303, so that the installation shaft 410 is convenient to install.
In this embodiment, the opposite side walls of the hinge groove 431 are oppositely provided with hinge holes 432, and the side wall of the hinge block 500 is provided with hinge shafts 503 extending into the corresponding hinge holes 432, so that the hinge block 500 is preferably hinged in the hinge groove 431.
In this embodiment, a bearing mounting hole is formed in one side groove of the hinge groove 431, and an end portion of the screw 440 is mounted in the bearing mounting hole through a bearing, so that the screw 440 can be rotatably disposed.
In this embodiment, the stop ring 411 is threadedly mounted on the mounting shaft 410.
Through the structure in this embodiment, make the position of keeping off ring 411 can adjust, and then adjust the distance that installation axle 410 stretches out the spring installation cavity to be convenient for control keeps off ring 411 and moves to the distance in the spring installation cavity, be convenient for control locating hole 302 and carry on spacingly to reference column 412.
In the present embodiment, the end of positioning post 412 extending into positioning hole 302 is hemispherical, which is preferable to facilitate positioning post 412 extending into positioning hole 302.
When the orthopedic retractor of the embodiment is used specifically, firstly, the mounting mechanism 200 is pressed to enable the mounting shaft 410 to extend into the spring mounting cavity, the mounting mechanism 200 is rotated to adjust the angle of the plate 210, then the mounting mechanism 200 is loosened, and the spring 420 pushes the positioning column 412 to extend into the corresponding positioning hole 302 to fix the plate 210; then, the nut 442 is loosened to enable the screw 440 to rotate to drive the hinge block 500 to rotate to adjust the inclination angle of the plate 210, and then the nut 442 is tightened to enable the screw 440 to be fixed, so that the position of the plate 210 is fixed, and the retractor is convenient to use in practice.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (7)
1. An orthopedic retractor, comprising: the folding type folding chair comprises a first handle (110) and a second handle (120) which are hinged with each other, wherein one end parts of the first handle (110) and the second handle (120) are respectively provided with a distraction arm (130) through a movable joint, and one end part of the distraction arm (130) is provided with a plate page (210) through an installation mechanism (200); one end part of each opening arm (130) is provided with a spring installation cavity, a cover plate (300) is arranged at an opening of each spring installation cavity, a through hole (301) is formed in the middle of each cover plate (300), and positioning holes (302) are uniformly distributed in the cover plate (300) along the circumferential direction of the through holes (301); the mounting mechanism (200) comprises a mounting shaft (410) penetrating through the through hole (301) and extending into the spring mounting cavity, a blocking ring (411) is arranged on the mounting shaft (410) positioned in the spring mounting cavity, a positioning column (412) extending out of the corresponding positioning hole (302) is arranged on the blocking ring (411), and a spring (420) used for pushing the blocking ring (411) to extrude the cover plate (300) is sleeved on the mounting shaft (410).
2. An orthopedic retractor according to claim 1, further comprising: a fixed seat (430) is arranged on the mounting shaft (410), a hinge groove (431) is arranged on the fixed seat (430), a screw rod (440) which can rotate and one end of which extends out of the fixed seat (430) is arranged in the hinge groove (431), a gear (441) is arranged on the screw rod (440) positioned in the hinge groove (4311), and a nut (442) used for fixing the screw rod (440) is arranged on the end part of the screw rod (440) extending out of the fixed seat (430) in a threaded manner; the lower end of the leaf (210) is provided with a hinge block (500) hinged in the hinge groove (431), the hinge block (500) is provided with a semicircular mounting groove (501) for a screw rod (440) to pass through, and the arc-shaped side wall of the mounting groove (501) is provided with a rack (502) meshed with the gear (441).
3. An orthopedic retractor according to claim 1, further comprising: the outer side wall of the cover plate (300) extends outwards to form a sleeve (303) sleeved outside the spreading arm (130), and the sleeve (303) is fixed on the spreading arm (130) through screws.
4. An orthopedic retractor according to claim 2, further comprising: hinge holes (432) are oppositely formed in the side walls opposite to the hinge grooves (431), and hinge shafts (503) extending into the corresponding hinge holes (432) are arranged on the side walls of the hinge blocks (500).
5. An orthopedic retractor according to claim 2, further comprising: a bearing mounting hole is arranged on one side groove of the hinge groove (431), and one end part of the screw rod (440) is mounted in the bearing mounting hole through a bearing.
6. An orthopedic retractor according to claim 1, further comprising: the baffle ring (411) is installed on the installation shaft (410) in a threaded mode.
7. An orthopedic retractor according to claim 1, further comprising: the end of the positioning column (412) extending into the positioning hole (302) is hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120712537.6U CN215018166U (en) | 2021-04-08 | 2021-04-08 | Retractor for orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120712537.6U CN215018166U (en) | 2021-04-08 | 2021-04-08 | Retractor for orthopedics department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215018166U true CN215018166U (en) | 2021-12-07 |
Family
ID=79150893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120712537.6U Expired - Fee Related CN215018166U (en) | 2021-04-08 | 2021-04-08 | Retractor for orthopedics department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215018166U (en) |
-
2021
- 2021-04-08 CN CN202120712537.6U patent/CN215018166U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |