CN213030732U

CN213030732U - Orthopedic spinal surgery retractor

Info

Publication number: CN213030732U
Application number: CN202020871659.5U
Authority: CN
Inventors: 徐饶; 杜建伟
Original assignee: Affiliated Hospital of Yangzhou University
Current assignee: Affiliated Hospital of Yangzhou University
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-04-23
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses an orthopedics backbone surgery drag hook relates to operation drag hook technical field, the utility model discloses a base, fixed mounting has universal table frame on the base, the expansion end fixed mounting who keeps away from one side of base on the universal table frame has the screw thread post, the cover is established and threaded connection has branch on the screw thread post, the groove of accomodating has been seted up to the inside of branch, one side of keeping away from the screw thread post on the groove of accomodating runs through branch, the inside of accomodating the groove articulates there is the commentaries on classics board that can accomodate inslot portion, one side of commentaries on classics board extends the outside of accomodating the groove. Through loosening the screw, can accomodate the inside that enters into and accomodate the chamber with the drag hook body, through the pull-back clamp plate, rotate afterwards and change the board and can accomodate the board in the inside of accomodating the groove, withdraw from the clamp plate afterwards, accomplish the work of accomodating of changeing the board, then rotate branch, with branch from the screw post top spin down to the accomodating of equipment has been accomplished.

Description

Orthopedic spinal surgery retractor

Technical Field

The utility model relates to a surgical retractor technical field, concretely relates to orthopedics backbone surgical retractor.

Background

At present, the surgical retractor used for the orthopedic surgery of patients clinically mainly comprises a hook body and a draw arm, the orthopedic surgery retractor is mostly provided with a dentate process in the middle of the lower end of the hook body and plays a role in fixing in the using process, the surgical retractor needs manual drawing, the slippage of a vertebral plate retractor caused by uneven force exertion of a citation operator often occurs, the adverse conditions such as unstable surgical field exposure and the like are easily caused by the separation of the surgical retractor operator, a plurality of patients can cause secondary injury, the orthopedic surgery exposure visual field mainly draws the tissues with high elasticity such as muscles, ligaments and the like, only one dentate process exists, the fixation is not firm, the slippage is easy, more manpower is needed in the surgery process, the working efficiency of doctors is reduced, the operation is very troublesome, time and labor are wasted, and great working difficulty is increased for medical staff, the requirement of current people to this product can't be satisfied like this far away, and present surgical retractor is not convenient for accomodate and deposit moreover, so design an orthopedics backbone surgical retractor and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems in the background technology, the utility model provides a retractor for orthopedic spinal surgery.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a retractor for orthopedic spinal surgery comprises a base, a universal meter stand is fixedly arranged on the base, a threaded column is fixedly arranged at the movable end of one side of the universal meter frame far away from the base, a supporting rod is sleeved on the threaded column and connected with the threaded column through threads, the inside of the supporting rod is provided with a containing groove which penetrates through one side of the supporting rod far away from the threaded column, the inner part of the accommodating groove is hinged with a rotating plate which can be accommodated in the accommodating groove, one side of the rotating plate extends out of the accommodating groove, the top of the containing groove is provided with an opening for the rotating plate to turn over and pass through, the supporting rod is provided with a fixing component for preventing the rotating plate from rotating, the outer portion that is located the groove of accomodating on the commentaries on classics board articulates there is the drag hook body, offer the chamber of accomodating that is used for accomodating the drag hook body on the commentaries on classics board, be provided with on the base and be used for the fixed centre gripping subassembly of base and operation table.

Further, the stress cavity is formed in the rotating plate, the fixing assembly comprises a device groove formed in the supporting rod and communicated with the accommodating groove, a T-shaped groove is formed in the supporting rod and located right above the device groove, the device groove is communicated with the outside through the T-shaped groove, a pressing plate is arranged in the device groove in a sliding mode, a T-shaped block is arranged in the T-shaped groove in the sliding mode, the bottom of the T-shaped block is fixedly connected with the pressing plate, and the pressing plate is in contact with the stress cavity when sliding out of the device groove.

Furthermore, the rotating plate is provided with a screw which penetrates through and is in threaded connection with the retractor body, the screw penetrates through the retractor body and is in threaded connection with the retractor body, and the screw is used for fixing the position of the retractor body and maintaining the retractor body to be vertical to the screw.

Further, the centre gripping subassembly includes the concave plate of fixed mounting on the base, be close to recess one side fixed mounting on the concave plate and have two screw thread blocks, the opposite side fixed mounting who is close to the recess on the concave plate has two and the corresponding atress board of screw thread block, two run through and threaded connection has the threaded rod on the screw thread block, two fixed mounting has the extrusion piece on the threaded rod, the extrusion piece is located between screw thread block and the atress board.

The utility model has the advantages as follows:

1. the utility model discloses a with the concave plate card in one side of operation table, the threaded rod rotates, threaded rod drive extrusion piece is along removing toward going up of operation table bed board, so extrusion piece can press from both sides the bed edge of operation table with the atress board tightly, so accomplished the fixed of this equipment position, through setting up universal table frame, universal table frame can transfer the direction wantonly under the condition that the knob loosened, when the drag hook body is in suitable position, rotate the knob on the universal table frame, can be with the rigidity of drag hook body, make the tractive of operation drag hook more firm through this kind of mode.

2. The utility model discloses a to loosen the screw, can accomodate the drag hook body and enter into the inside of accomodating the chamber, through the pull-back clamp plate, rotate afterwards and change the board and can accomodate the board in the inside of accomodating the groove, withdraw from the clamp plate afterwards, accomplish the work of accomodating of changeing the board, then rotate branch, with branch from the screw post top spin down to accomodating of equipment has been accomplished.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention during operation;

FIG. 2 is a schematic view of the folded universal meter stand according to the present invention;

FIG. 3 is a schematic view of the structure of the retractor body and the receiving cavity;

FIG. 4 is a schematic view of the receiving groove, the device groove and the T-shaped groove of the present invention;

FIG. 5 is a side view of the support rod of the drag hook body of the present invention when in operation;

FIG. 6 is a cross-sectional view in the direction D-D of the present invention;

fig. 7 is a side view of the retractor body of the present invention with the support rod received therein;

fig. 8 is a cross-sectional view in the direction of E-E of the present invention.

Reference numerals: 1. a base; 2. a universal meter stand; 3. a clamping assembly; 31. a concave plate; 32. a thread block; 33. a threaded rod; 34. extruding the block; 35. a stress plate; 4. a threaded post; 5. a strut; 51. a receiving groove; 52. a device slot; 53. a T-shaped slot; 54. an opening; 6. pressing a plate; 61. a T-shaped block; 7. rotating the plate; 71. a receiving cavity; 72. a force-bearing cavity; 8. a drag hook body; 9. and (4) screws.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-8, an orthopedic spinal surgery retractor comprises a base 1, a universal meter stand 2 is fixedly mounted on the base 1, a threaded post 4 is fixedly mounted on a movable end of one side of the universal meter stand 2 away from the base 1, a supporting rod 5 is sleeved on the threaded post 4 and connected with threads, a receiving groove 51 is formed in the supporting rod 5, the receiving groove 51 penetrates through one side of the supporting rod 5 away from the threaded post 4, a rotating plate 7 capable of being received in the receiving groove 51 is hinged in the receiving groove 51, one side of the rotating plate 7 extends out of the receiving groove 51, an opening 54 for allowing the rotating plate 7 to turn over and allowing the rotating plate 7 to pass is formed in the top of the receiving groove 51, a fixing component for preventing the rotating plate 7 from rotating is arranged on the supporting rod 5, a retractor body 8 is hinged on the rotating plate 7 and located outside the receiving groove 51, a receiving cavity 71 for receiving the retractor body 8 is formed in the rotating plate 7, the base 1 is provided with a clamping component 3 for fixing the base 1 and the operating table.

Specifically, stress cavity 72 has been seted up on commentaries on classics board 7, fixed subassembly is including seting up at the inside device groove 52 that communicates with storage groove 51 of branch 5, T-slot 53 has been seted up directly over lieing in device groove 52 on branch 5, device groove 52 communicates with the external world through T-slot 53, the inside slidable mounting in device groove 52 has clamp plate 6, the inside slidable mounting in T-slot 53 has T-shaped piece 61, the bottom and the clamp plate 6 fixed connection of T-shaped piece 61, contact with stress cavity 72 during clamp plate 6 roll-off device groove 52.

Specifically, the rotating plate 7 is provided with a screw 9 in a penetrating and threaded connection mode, the screw 9 penetrates through the retractor body 8 and is in threaded connection with the retractor body, and the screw 9 is used for fixing the position of the retractor body 8 and maintaining the retractor body 8 to be perpendicular to the screw 9.

Specifically, the clamping assembly 3 comprises a concave plate 31 fixedly mounted on the base 1, two thread blocks 32 are fixedly mounted on one side, close to the notch, of the concave plate 31, two stress plates 35 corresponding to the thread blocks 32 are fixedly mounted on the other side, close to the notch, of the concave plate 31, threaded rods 33 penetrate through the two thread blocks 32 and are in threaded connection with the two stress plates, extrusion blocks 34 are fixedly mounted on the two threaded rods 33, and the extrusion blocks 34 are located between the thread blocks 32 and the stress plates 35.

In this embodiment, through the one side with notch plate 31 card at the operation table, rotate threaded rod 33, threaded rod 33 drives extrusion piece 34 and moves toward going up along the removal of operation table bed board, so extrusion piece 34 can press from both sides tightly the bed edge of operation table with atress board 35, so accomplished the fixed of this equipment position, through setting up universal table frame 2, universal table frame 2 can the arbitrary direction of transferring under the condition that the knob unclamped, when drag hook body 8 is in suitable position, rotate the knob on the universal table frame 2, can be with drag hook body 8's rigidity, make the tractive of operation drag hook more firm through this kind of mode.

In this embodiment, through loosening screw 9, can accomodate the inside that enters into and accomodate chamber 71 with drag hook body 8, through pull-back clamp plate 6, rotate later that commentaries on classics board 7 can accomodate commentaries on classics board 7 in the inside of accomodating groove 51, withdraw from clamp plate 6 afterwards, accomplish the work of accomodating of commentaries on classics board 7, then rotate branch 5, with branch 5 from threaded rod 33 top spin down to the accomodating of equipment has been accomplished.

Claims

1. The utility model provides an orthopedic spine surgery retractor, its characterized in that, includes base (1), fixed mounting has universal table frame (2) on base (1), the expansion end fixed mounting who keeps away from one side of base (1) on universal table frame (2) has screw thread post (4), overlap on screw thread post (4) and establish and threaded connection has branch (5), accomodate groove (51) have been seted up to the inside of branch (5), accomodate one side that groove (51) run through on branch (5) kept away from screw thread post (4), the inside of accomodating groove (51) articulates there is commentaries on classics board (7) that can accomodate in accomodating groove (51) inside, extend the outside of accomodating groove (51) in one side of commentaries on classics board (7), the top of accomodating groove (51) is seted up and is used for commentaries on classics board (7) upset to come to let commentaries on classics board (7) pass through opening (54), be provided with on branch (5) and prevent commentaries on classics board (7), the outer portion that lies in on commentaries on classics board (7) and accomodate groove (51) articulates there is drag hook body (8), offer on commentaries on classics board (7) and be used for accomodating taking in chamber (71) of drag hook body (8), be provided with on base (1) and be used for fixed centre gripping subassembly (3) of base (1) and operation table.

2. The orthopedic spinal surgery retractor according to claim 1, characterized in that the rotating plate (7) is provided with a stress cavity (72), the fixing component comprises a device groove (52) which is arranged inside the supporting rod (5) and communicated with the accommodating groove (51), a T-shaped groove (53) is arranged right above the device groove (52) on the supporting rod (5), the device groove (52) is communicated with the outside through the T-shaped groove (53), a pressing plate (6) is slidably arranged inside the device groove (52), a T-shaped block (61) is slidably arranged inside the T-shaped groove (53), the bottom of the T-shaped block (61) is fixedly connected with the pressing plate (6), and the pressing plate (6) is contacted with the stress cavity (72) when sliding out of the device groove (52).

3. The orthopedic spinal surgery retractor according to claim 1 characterized in that the rotating plate (7) is connected with a screw (9) through and in a threaded manner, the screw (9) is connected with and in a threaded manner through the retractor body (8), and the screw (9) is used for fixing the position of the retractor body (8) and maintaining the retractor body (8) perpendicular to the screw (9).

4. The orthopedic spinal surgery retractor according to claim 1, characterized in that the clamping component (3) comprises a concave plate (31) fixedly mounted on the base (1), two thread blocks (32) are fixedly mounted on one side of the concave plate (31) close to the notch, two stress plates (35) corresponding to the thread blocks (32) are fixedly mounted on the other side of the concave plate (31) close to the notch, two threaded blocks (32) are connected with a threaded rod (33) in a penetrating manner, two extrusion blocks (34) are fixedly mounted on the threaded rod (33), and the extrusion blocks (34) are located between the thread blocks (32) and the stress plates (35).