CN218979031U

CN218979031U - Retractor for neurosurgery

Info

Publication number: CN218979031U
Application number: CN202222483645.8U
Authority: CN
Inventors: 蔡桂坡; 宫有文; 杨明华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-05-09
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a retractor for neurosurgery, which comprises the following components: the support comprises a shell and a support plate; the shells are symmetrically arranged, the middle parts of the two shells are respectively provided with a second threaded rod, the outer parts of the two second threaded rods are respectively connected with a first threaded block in a threaded manner, one end of each first threaded block penetrates through one side of each shell to extend to the outside, the movable plates are fixedly connected, and the side walls of the two shells are respectively fixedly connected with a fixed plate; the upper end symmetry fixedly connected with montant of backup pad, two equal fixedly connected with first sleeve in middle part of montant, two the telescopic middle part of first all is provided with first threaded rod, two the equal threaded connection of outside of first threaded rod has the second screw thread piece. Through above-mentioned structure, utilize fly leaf and fixed plate to mutually support the support frame and fix, make the retractor can keep stable when using, avoid taking place the slope.

Description

Retractor for neurosurgery

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a retractor for neurosurgery.

Background

The retractor is also called a retractor and is used for retracting tissues, exposing the surgical scope, facilitating exploration and operation, being divided into a hand-held retractor and an automatic retractor, having various specifications of different shapes and sizes and selecting a proper retractor according to the surgical requirement.

Most existing retractors are used independently, so that stability of the retractors cannot be guaranteed when the retractors are used, looseness is easy to occur in the using process, the operation progress is easy to be influenced, and dangers are easy to be caused when an operation is performed.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a retractor for neurosurgery, which is characterized in that a movable plate is driven to move by a second threaded rod, a support frame can be fixed on two sides of an operating table by matching the movable plate with a fixed plate, a traction head is driven to move by a first threaded rod, a better operation field is provided for medical staff in the moving process, the smooth operation is convenient, and the height of the support frame is manually adjusted by a telescopic rod, so that the retractor is convenient to use under different conditions.

To achieve the above object, there is provided a retractor for neurosurgery, comprising:

the support comprises a shell and a support plate;

the shells are symmetrically arranged, the middle parts of the two shells are respectively provided with a second threaded rod, the outer parts of the two second threaded rods are respectively connected with a first threaded block in a threaded manner, one end of each first threaded block penetrates through one side of each shell to extend to the outside, the movable plates are fixedly connected, and the side walls of the two shells are respectively fixedly connected with a fixed plate;

the upper end symmetry fixedly connected with montant of backup pad, two the equal fixedly connected with first sleeve in middle part of montant, two the equal threaded connection of outside of first threaded rod has the second screw thread piece, the lateral wall symmetry fixedly connected with push rod of second screw thread piece, the one end of push rod passes first telescopic one side and extends to outside, and fixedly connected with horizontal pole, the one end fixedly connected with of horizontal pole pulls the beginning.

According to the retractor for neurosurgery, the outside fixedly connected with first bevel gear of second threaded rod, two the middle part of casing all is provided with the bull stick, one side that the one end of bull stick passed the casing extends to outside, and fixedly connected with rocker, the one end fixedly connected with second bevel gear of bull stick utilizes the rocker to drive first bevel gear and second bevel gear and rotates, makes fly leaf and fixed plate cooperate under the cooperation of gag lever post to fix the support frame.

According to the retractor for neurosurgery, the first bevel gear and the second bevel gear are meshed with each other.

According to the retractor for neurosurgery, the limiting rod is arranged in the shell, and the outer part of the limiting rod is in sliding connection with the middle part of the first thread block.

According to the retractor for neurosurgery, two the upper end of casing is all fixedly connected with second sleeve, telescopic middle part is provided with the telescopic link, telescopic upper end passes telescopic upper end and extends to outside, and with the lower extreme fixed connection of backup pad, telescopic middle part is provided with the bolt, the one end of bolt passes the middle part extension to outside of second sleeve and telescopic link respectively, through manual adjustment telescopic link to adjust the height of backup pad, use under the different circumstances of being convenient for.

According to the retractor for neurosurgery, a round hole is formed in the middle of the supporting plate, one end of the first threaded rod penetrates through one side of the first sleeve to extend to the outside, and a knob is fixedly connected with the first threaded rod.

According to the retractor for neurosurgery, the side wall of the push rod is connected with the inner wall of the first sleeve in a sliding mode.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a perspective view of a retractor of the present utility model for neurosurgery;

FIG. 2 is a cross-sectional view of a neurosurgical retractor of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

fig. 4 is an enlarged view of the present utility model at B in fig. 2.

Legend description:

1. a housing; 2. a plug pin; 3. a telescopic rod; 4. a first threaded block; 5. a limit rod; 6. a knob; 7. a first sleeve; 8. a cross bar; 9. a pulling head; 10. a support plate; 11. a first threaded rod; 12. a vertical rod; 13. a second sleeve; 14. a movable plate; 15. a second threaded rod; 16. a fixing plate; 17. a second threaded block; 18. a push rod; 19. a first bevel gear; 20. a second bevel gear; 21. a rotating rod; 22. and (5) a rocker.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, an embodiment of the present utility model is a retractor for neurosurgery, comprising:

a support frame including a housing 1 and a support plate 10;

the shells 1 are symmetrically arranged, the second threaded rods 15 are arranged in the middle of each of the two shells 1, the first threaded blocks 4 are connected to the outer parts of the two second threaded rods 15 in a threaded manner, one end of each first threaded block 4 penetrates through one side of each shell 1 to extend to the outside, the movable plates 14 are fixedly connected to the two shells, the fixed plates 16 are fixedly connected to the side walls of the two shells 1, the fixed plates 16 are matched with the side walls of the movable plates 14 and the side walls of an operation table to fix the support frame, the stability of the support frame is guaranteed, and the retractor is convenient to use;

the upper end symmetry fixedly connected with montant 12 of backup pad 10, the equal fixedly connected with first sleeve 7 in middle part of two montants 12, the middle part of two first sleeves 7 all is provided with first threaded rod 11, the outside equal threaded connection of two first threaded rods 11 has second screw thread piece 17, the lateral wall symmetry fixedly connected with push rod 18 of second screw thread piece 17, push rod 18 is the one end that passes first sleeve 7 extends to outside, first threaded rod 11 can drive push rod 18 and remove when rotatory, one end of push rod 18 passes one side of first sleeve 7 and extends to outside, and fixedly connected with horizontal pole 8, the one end fixedly connected with of horizontal pole 8 pulls first threaded rod 11 of beginning 9, knob 6 rotation drives first threaded rod 11 rotation, first threaded rod 11 drives push rod 18 and removes, it moves to drive beginning 9, be convenient for provide good art field for medical personnel.

The outside of the second threaded rod 15 is fixedly connected with a first bevel gear 19, the middle parts of the two shells 1 are respectively provided with a rotating rod 21, one end of each rotating rod 21 penetrates through one side of each shell 1 to extend to the outside and is fixedly connected with a rocker 22, one end of each rotating rod 21 is fixedly connected with a second bevel gear 20, the first bevel gear 19 is meshed with the second bevel gear 20, the inside of each shell 1 is provided with a limiting rod 5, the first threaded block 4 moves outside the second threaded rod 15 by utilizing the cooperation of the limiting rods 5, the outside of each limiting rod 5 is in sliding connection with the middle part of each first threaded block 4, the upper ends of the two shells 1 are respectively fixedly connected with a second sleeve 13, the middle part of each second sleeve 13 is provided with a telescopic rod 3, the telescopic link 3 is adjusted through manual, the middle part that utilizes the one end of bolt 2 to pass telescopic link 3 is fixed, the upper end that the upper end of telescopic link 3 passed second sleeve 13 extends to outside, and with the lower extreme fixed connection of backup pad 10, the middle part of second sleeve 13 is provided with bolt 2, the one end of bolt 2 passes second sleeve 13 respectively and the middle part of telescopic link 3 extends to outside, the round hole is seted up at the middle part of backup pad 10, backup pad 10 is circular setting, the medical personnel of being convenient for operate, one side that one end of first threaded rod 11 passed first sleeve 7 extends to outside, and fixedly connected with knob 6, the lateral wall of push rod 18 and the inner wall sliding connection of first sleeve 7.

Working principle: when the telescopic rod is used, the support frames are placed on two sides of an operating table, the rocking rod 22 is used for driving the first bevel gear 19 and the second bevel gear 20 to rotate, the second threaded rod 15 is used for driving the movable plate 14 to move under the cooperation of the limiting rod 5, the movable plate 14 is used for being matched with the fixed plate 16, the support frames are fixed on two sides of the operating table, the height of the support plate 10 is adjusted according to actual conditions, the bolt 2 is taken out, the height of the telescopic rod 3 is manually adjusted to a proper position, then the bolt 2 is used for fixing, when the retractor is used, the knob 6 is used for driving the first threaded rod 11 to rotate, and the push rod 18 is used for driving the pulling head 9 to move, so that sufficient operation fields are provided for medical staff for operation.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A retractor for neurosurgery, comprising:

the support comprises a shell (1) and a support plate (10);

the shell bodies (1) are symmetrically arranged, second threaded rods (15) are arranged in the middle of each of the two shell bodies (1), first threaded blocks (4) are connected to the outer parts of the two second threaded rods (15) in a threaded mode, one ends of the first threaded blocks (4) penetrate through one sides of the shell bodies (1) to extend to the outer parts, movable plates (14) are fixedly connected to the ends, and fixing plates (16) are fixedly connected to the side walls of the two shell bodies (1);

the upper end symmetry fixedly connected with montant (12) of backup pad (10), two the equal fixedly connected with in middle part of montant (12) is first sleeve (7), two the middle part of first sleeve (7) all is provided with first threaded rod (11), two the outside equal threaded connection of first threaded rod (11) has second screw thread piece (17), the lateral wall symmetry fixedly connected with push rod (18) of second screw thread piece (17), one side that one end of push rod (18) passed first sleeve (7) extends to outside, and fixedly connected with horizontal pole (8), the one end fixedly connected with of horizontal pole (8) pulls beginning (9).

2. The retractor for neurosurgery according to claim 1, wherein the outer part of the second threaded rod (15) is fixedly connected with a first bevel gear (19), the middle parts of the two shells (1) are respectively provided with a rotating rod (21), one end of each rotating rod (21) penetrates through one side of each shell (1) to extend to the outside, and is fixedly connected with a rocker (22), and one end of each rotating rod (21) is fixedly connected with a second bevel gear (20).

3. A retractor for neurosurgery according to claim 2, wherein the first bevel gear (19) is intermeshed with the second bevel gear (20).

4. A retractor for neurosurgery according to claim 1, wherein the housing (1) is provided with a stop lever (5) inside, the outside of the stop lever (5) being slidingly connected with the middle of the first screw block (4).

5. The retractor for neurosurgery according to claim 1, wherein the upper ends of the two shells (1) are fixedly connected with second sleeves (13), the middle parts of the second sleeves (13) are provided with telescopic rods (3), the upper ends of the telescopic rods (3) penetrate through the upper ends of the second sleeves (13) to extend to the outside and are fixedly connected with the lower ends of the supporting plates (10), the middle parts of the second sleeves (13) are provided with bolts (2), and one ends of the bolts (2) penetrate through the middle parts of the second sleeves (13) and the telescopic rods (3) respectively to extend to the outside.

6. The retractor for neurosurgery according to claim 1, wherein a round hole is formed in the middle of the supporting plate (10), one end of the first threaded rod (11) passes through one side of the first sleeve (7) to extend to the outside, and a knob (6) is fixedly connected.

7. A retractor for neurosurgery according to claim 1, wherein the side wall of the push rod (18) is slidingly connected to the inner wall of the first sleeve (7).