CN215227982U - Retractor for neurosurgery clinical operation - Google Patents

Abstract

The utility model discloses a retractor for neurosurgery clinical operation, including first fixed strip, first fixed strip one side fixedly connected with second fixed strip, it is equipped with the third fixed strip to slide on the first fixed strip, third fixed strip top is equipped with slide mechanism, all be equipped with the second on second fixed strip and the third fixed strip and draw the mechanism, the second fixed strip all rotates with third fixed strip bottom and is equipped with the fourth fixed strip, be equipped with the first mechanism of drawing of a pair of symmetry on the fourth fixed strip. The utility model discloses can effectively be applicable to different position and the tissue of leading out, and can lead out the operation to the secondary tissue that leads out in the tissue, reduce the influence that increases the retractor to the doctor operation.

Description

Retractor for neurosurgery clinical operation

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a retractor is used in neurosurgery clinical operation.

Background

When the skull or vertebra operation of neurosurgery is carried out, in order to expose the focus, in order to obtain a good operation sight, muscle and skin tissues around the focus need to be retracted, so that a visual field range with a certain area is formed at the wound, the nerve tissues are favorably exposed, a doctor can see clearly and carry out the operation in the wound, at the moment, the operation needs to be assisted by using a retractor, and the retractor can be used for retracting the tissues, exposing the operation visual field and facilitating exploration and operation.

The existing retractor is not suitable for retracting parts and tissues with different thicknesses because the length and the width of the retracting sheet are fixed, and can only retract one tissue at a time, so that different layers of tissues can be wrapped sometimes due to different operation parts in the neurosurgery clinical operation, and when the deeper layers of tissues are required to be retracted after external tissues are retracted, an additional retractor needs to be added, so that the operation of a doctor is limited.

To this end, we propose a retractor for neurosurgical clinical surgery to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a retractor for neurosurgery clinical operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a retractor for neurosurgery clinical operation, includes first fixed strip, first fixed strip one side fixedly connected with second fixed strip, it is equipped with the third fixed strip to slide on the first fixed strip, third fixed strip top is equipped with slide mechanism, all be equipped with the second on second fixed strip and the third fixed strip and lead out the mechanism, the second fixed strip all rotates with third fixed strip bottom and is equipped with the fourth fixed strip, be equipped with the first mechanism that leads out of a pair of symmetry on the fourth fixed strip.

Preferably, the first retracting mechanism comprises a pair of symmetrical first retracting pieces, a plurality of tooth grooves are formed in one side, opposite to the first retracting pieces, of each first retracting piece, limiting blocks are arranged in the tooth grooves in a matched mode, and first limiting springs are fixedly connected to one side, far away from the tooth grooves, of each limiting block.

Preferably, the second retracting mechanism comprises a fixed block, a fixed rod is fixedly arranged in the middle of the fixed block, a second retracting piece is fixedly connected to the bottom end of the fixed rod, a rotating block is rotatably connected to the bottom end of the fixed block, and a limiting clamping mechanism is arranged at the bottom end of the rotating block.

Preferably, two spacing latch mechanism overlaps respectively and establishes on second fixed strip and third fixed strip, spacing latch mechanism includes the cutting ferrule, cutting ferrule top and turning block bottom fixed connection, the square opening that runs through the cutting ferrule is seted up to cutting ferrule one side, the matching is equipped with the joint piece in the square opening, joint piece bottom fixed connection has the fixed column, the spacing spring of second of a pair of symmetry of joint piece bottom both sides fixedly connected with, the fixed end of fixed column is equipped with tensile piece, the spacing spring bottom of second and tensile piece fixed connection, tensile piece bottom fixedly connected with tensile ring.

Preferably, a plurality of supporting pieces are arranged on the outer side of the fourth fixing strip, and the plurality of supporting pieces are fixedly connected with the outer side of the fourth fixing strip.

Preferably, the sliding mechanism comprises a sliding shell, the sliding shell is sleeved on the first fixing strip, a circular hole is formed in the middle of the sliding shell, a gear is arranged in the circular hole in a rotating mode, a rotating handle is fixedly arranged at the bottom end of the gear, and a clamping tooth sheet is arranged at the front end of the sliding shell in a rotating mode.

Compared with the prior art, the beneficial effects of the utility model are that:

thereby slide on first fixed strip through the sliding mechanism that sets up and strut the first mechanism of leading out of a pair of symmetry to the required size that opens, spacing latch mechanism on through removing second fixed strip and third fixed strip carries out spacing adjustment from top to bottom to the second mechanism of leading out, through reciprocating the dead lever and rotating the fixed block, lead out the adjustment that the piece opened degree and degree of depth to the second, can be used for leading out the operation to the tissue of the different degree of depth, thereby adjust the degree of depth of first piece of leading out through the removal to the stopper, in order to be used for leading out the operation to different tissues, play the supporting role to the retractor outside the tissue through a plurality of backing sheets that set up in the fourth fixed strip outside, prevent to take place the retractor when the operation and support unstable condition influence operation.

Drawings

Fig. 1 is a perspective view of a neurosurgical clinical operation retractor according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic top view of the structure of FIG. 1;

fig. 4 is a schematic view of a second retraction mechanism;

fig. 5 is a schematic structural view of the sliding mechanism.

In the figure: the device comprises a first fixed strip 1, a second fixed strip 2, a third fixed strip 3, a second retracting mechanism 4, a fixed block 41, a fixed rod 43, a second retracting piece 44, a rotating block 45, a fourth fixed strip 5, a first retracting mechanism 6, a first retracting piece 61, a tooth groove 62, a limiting block 63, a first limiting spring 64, a slot 65, a cross shifting piece 66, a limiting clamping mechanism 7, a clamping sleeve 71, a clamping block 73, a fixed column 74, a second limiting spring 75, a stretching block 76, a stretching ring 77, a supporting sheet 8, a sliding mechanism 9, a sliding shell 91, a circular hole 92, a gear 93, a rotating handle 94, a tooth clamping piece 95, a third limiting spring 96, a first fixed tooth 10 and a second fixed tooth 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a retractor for neurosurgery clinical operation comprises a first fixing strip 1, a plurality of rows of first fixing teeth 10 are arranged on the first fixing strip 1, a second fixing strip 2 is fixedly connected to one side of the first fixing strip 1, the first fixing strip 1 and the second fixing strip 2 form an L-shaped structure, a third fixing strip 3 is arranged on the first fixing strip 1 in a sliding manner, the third fixing strip 3 horizontally slides on the first fixing strip 1 and is parallel to the second fixing strip 2 by sliding the third fixing strip 3, so that a basic retracting manner of the retractor is formed, a sliding mechanism 9 is arranged at the top end of the third fixing strip 3, second retracting mechanisms 4 are arranged on the second fixing strip 2 and the third fixing strip 3, a fourth fixing strip 5 is arranged at the bottom ends of the second fixing strip 2 and the third fixing strip 3 in a rotating manner, and a second fixing strip 2 and a third fixing strip 3 which are arranged on the second fixing strip 2 and the third fixing strip 3 in a horizontal state can be used for aligning the second fixing strip 2 and the third fixing strip 3 by rotating the second fixing strip 2 and the third fixing strip 3 The angle of the retracting mechanism 4 is adjusted, and a pair of symmetrical first retracting mechanisms 6 is arranged on the fourth fixing strip 5.

First retracting mechanism 6 includes the first piece of pulling 61 of a pair of symmetry, first piece of pulling 61 bottom is colluded the form, can be used for carrying out better fixed to the tissue that needs are pulled out, a plurality of tooth's socket 62 have all been seted up to the one side that a pair of first piece of pulling 61 is relative, the matching is equipped with stopper 63 in a plurality of tooth's socket 62, tooth's socket 62 is connected with stopper 63 meshing, a position that is used for carrying out the displacement to first piece of pulling 61 is injectd, stopper 63 top is fixed and is equipped with cross plectrum 66, move in order to stopper 63 through pulling cross plectrum 66, stopper 63 keeps away from the first spacing spring 64 of one side fixedly connected with of tooth's socket 62, be used for moving the stopper 63 after reseing, be equipped with the embedded groove 65 with stopper 63 matching in the fourth fixed strip 5, first spacing spring 64 bottom and embedded groove 65 bottom fixed connection.

The second retracting mechanism 4 comprises a fixed block 41, the cross section of the fixed block 41 is hexagonal, a fixed rod 43 is fixedly arranged in the middle of the fixed block 41, the fixed rod 43 is fixedly connected with the fixed block 41, a second retracting piece 44 is fixedly connected to the bottom end of the fixed rod 43 and used for retracting deeper tissues, the bottom end of the fixed block 41 is rotatably connected with a rotating block 45, a limiting bolt for limiting the rotation of the rotating block 45 is arranged between the fixed block 41 and the rotating block 45 and used for limiting the rotating block 45, the structure of the limiting bolt is the same as that of the existing limiting bolt, and a limiting clamping mechanism 7 is arranged at the bottom end of the rotating block 45.

The two limiting and clamping mechanisms 7 are respectively sleeved on the second fixed strip 2 and the third fixed strip 3, the limiting and clamping mechanisms 7 comprise clamping sleeves 71, a plurality of rows of second fixed teeth 11 are respectively arranged on the second fixed strip 2 and the third fixed strip 3, the two clamping sleeves 71 are respectively sleeved on the second fixed strip 2 and the third fixed strip 3, the top ends of the clamping sleeves 71 are fixedly connected with the bottom ends of the rotating blocks 45, one sides of the clamping sleeves 71 are provided with square openings penetrating through the clamping sleeves 71, the inner bottom sides of the square openings are provided with clamping blocks 73 in a matching manner, the clamping blocks 73 are meshed and connected with the second fixed teeth 11 and are used for limiting and fixing the two clamping sleeves 71 when the two clamping sleeves 2 and the third fixed strip 3 respectively move, the bottom ends of the clamping blocks 73 are provided with round holes, the round holes are internally provided with fixed columns 74 in a matching manner, the bottom ends of the clamping blocks 73 are fixedly connected with the fixed columns 74, a pair of symmetrical second limiting springs 75 are fixedly connected with two sides of the outer bottom surface of the clamping sleeves 71, the bottom end of the fixing column 74 is fixedly provided with an extension block 76, the bottom end of the second limiting spring 75 is fixedly connected with the extension block 76, the second limiting spring 75 is normally in an open state, so that the clamping block 73 is meshed with and fixed to the second fixing teeth 11 in a normal state, and the bottom end of the extension block 76 is fixedly connected with an extension ring 77, so that the extension block 76 is conveniently extended.

The outer side of the fourth fixing strip 5 is provided with a plurality of supporting sheets 8, and the plurality of supporting sheets 8 are fixedly connected with the outer side of the fourth fixing strip 5 and used for supporting the retractor outside tissues required to be retracted.

The sliding mechanism 9 comprises a sliding shell 91, the sliding shell 91 is sleeved on the first fixing strip 1, a circular hole 92 is formed in the middle of the sliding shell 91, a gear 93 is arranged in the circular hole 92 in a rotating mode, the gear 93 is meshed with the first fixing teeth 10 and is connected with the bottom end of the gear 93 in a fixed mode, a rotating handle 94 is arranged at the bottom end of the gear 93 and is used for enabling the gear 93 to horizontally move on the first fixing teeth 10 after rotating, a clamping tooth piece 95 is arranged at the front end of the sliding shell 91 in a rotating mode, a third limiting spring 96 is fixedly arranged on the outer side face, close to the sliding shell 91, of the clamping tooth piece 95, the other end of the third limiting spring 96 is fixedly connected with the sliding shell 91, and the third limiting spring 96 is normally in an open state so that the clamping tooth piece 95 is meshed with the gear 93 and is used for limiting the sliding shell 91.

The retractor for the neurosurgical clinical operation specifically comprises the following working steps:

when the neurosurgery clinical operation is performed and the operation is retracted, the first retracting piece 61 is adjusted through the limiting block 63 to adapt to the depth of the tissue required to be retracted, the sliding shell 91 is moved through the rotating handle 94, so that the third fixing strip 3, the fixing block 41 fixed on the third fixing strip 3 and the second retracting piece 44 are driven to transversely move, after the third fixing strip is moved to a proper position, the third fixing strip is limited through the clamping tooth piece 95 to perform the operation of retracting the required tissue part, when the tissue at a deeper level needs to be retracted after the external tissue is retracted, the fixing rod 43 is subjected to angle adjustment through rotating the rotating block 45, and the clamping sleeve 71 is moved through the stretching block 76 to perform depth adjustment and fixation on the fixing rod 43.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a retractor for neurosurgery clinical operation, includes first fixed strip (1), its characterized in that, first fixed strip (1) one side fixedly connected with second fixed strip (2), it is equipped with third fixed strip (3) to slide on first fixed strip (1), third fixed strip (3) top is equipped with slide mechanism (9), all be equipped with second retractor mechanism (4) on second fixed strip (2) and third fixed strip (3), second fixed strip (2) all rotate with third fixed strip (3) bottom and are equipped with fourth fixed strip (5), be equipped with the first retractor mechanism (6) of a pair of symmetry on fourth fixed strip (5).

2. The retractor for the neurosurgical clinical operation according to claim 1, wherein the first retracting mechanism (6) comprises a pair of symmetrical first retracting pieces (61), a plurality of tooth grooves (62) are formed in one side of each of the pair of first retracting pieces (61) opposite to each other, a limiting block (63) is arranged in the tooth grooves in a matching manner, and a first limiting spring (64) is fixedly connected to one side, far away from the tooth grooves (62), of the limiting block (63).

3. The retractor for the neurosurgical clinical operation according to claim 1, wherein the second retracting mechanism (4) comprises a fixed block (41), a fixed rod (43) is fixedly arranged in the middle of the fixed block (41), a second retracting sheet (44) is fixedly connected to the bottom end of the fixed rod (43), a rotating block (45) is rotatably connected to the bottom end of the fixed block (41), and a limiting clamping mechanism (7) is arranged at the bottom end of the rotating block (45).

4. The retractor for the neurosurgical clinical operation according to claim 3, wherein the two limiting clamping mechanisms (7) are respectively sleeved on the second fixing strip (2) and the third fixing strip (3), the limiting and clamping mechanism (7) comprises a clamping sleeve (71), the top end of the clamping sleeve (71) is fixedly connected with the bottom end of the rotating block (45), one side of the cutting sleeve (71) is provided with a square opening which penetrates through the cutting sleeve (71), a clamping block (73) is arranged in the square opening in a matching way, the bottom end of the clamping block (73) is fixedly connected with a fixed column (74), two sides of the bottom end of the clamping block (73) are fixedly connected with a pair of symmetrical second limiting springs (75), the bottom end of the fixing column (74) is fixedly provided with a stretching block (76), the bottom end of the second limiting spring (75) is fixedly connected with the stretching block (76), and the bottom end of the stretching block (76) is fixedly connected with a stretching ring (77).

5. The neurosurgical clinical operation retractor according to claim 1, wherein a plurality of supporting sheets (8) are arranged on the outer side of the fourth fixing strip (5), and a plurality of supporting sheets (8) are fixedly connected with the outer side of the fourth fixing strip (5).

6. The retractor for the neurosurgical clinical operation according to claim 1, wherein the sliding mechanism (9) comprises a sliding shell (91), the sliding shell (91) is sleeved on the first fixing strip (1), a circular hole (92) is formed in the middle of the sliding shell (91), a gear (93) is rotatably arranged in the circular hole (92), a rotating handle (94) is fixedly arranged at the bottom end of the gear (93), and a clamping tooth piece (95) is rotatably arranged at the front end of the sliding shell (91).

Images