CN220588301U

CN220588301U - Surgical spreader

Info

Publication number: CN220588301U
Application number: CN202321777352.9U
Authority: CN
Inventors: 刘伟; 廖�燕
Original assignee: Suining City Anju District People's Hospital (the Fifth People's Hospital Of Suining City Anju Town Center Health Center Anju District Suining City)
Current assignee: Suining City Anju District People's Hospital (the Fifth People's Hospital Of Suining City Anju Town Center Health Center Anju District Suining City)
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-03-15
Anticipated expiration: 2033-07-07

Abstract

The utility model belongs to the field of surgical instruments, in particular to an operation spreader which comprises a cylindrical block, wherein an opening mechanism is arranged in the cylindrical block and comprises a cavity, the cavity is formed in the cylindrical block, the left side of the inner wall of the cavity is rotationally connected with the left side of a threaded rod, the right side of the threaded rod is fixedly connected with the rotating block, through grooves are formed in the bottom end of the cylindrical block, two groups of moving blocks are connected onto the threaded rod in a threaded manner, threads with opposite rotation directions are formed in the left end and the right end of the threaded rod, a connecting block is fixedly connected onto the bottom end of the moving block, the bottom end of the connecting block is fixedly connected with a fixed plate, and sliding grooves are formed in the front side and the rear side of the fixed plate; through the structural design of the stretching mechanism, the problem that the cylindrical blocks block the vision of doctors and prevent the operation when the skin tissues of the patients are stretched by the two groups of stretching plates is avoided.

Description

Surgical spreader

Technical Field

The utility model relates to the field of surgical instruments, in particular to a surgical spreader.

Background

Surgical spreaders are a common surgical instrument, and in the operation of hepatobiliary surgery, the surgical spreader is required to spread an incision on a patient, so that a doctor can perform the operation conveniently.

The specific reference application number of the existing surgical spreader is: the utility model patent of CN20222447794.9, an operation spreader, including the guide pillar, the regulation slide hole has been seted up along its axial run-through in the guide pillar, and the slip is provided with the regulation slider in the regulation slide hole, still be provided with the lead screw in the regulation slide hole, the both ends rotation of lead screw are connected to the inside both ends of regulation slide hole, and run-through in the regulation slider has seted up the screw hole that cooperates lead screw threaded connection, one end of guide pillar is provided with the knob that is used for adjusting lead screw pivoted, carries out rotary adjustment through pressing the button of card structure to drive the lead screw rotation and realize adjusting the distance between first clamp lever and the second clamp lever, when two first clamp levers and second clamp lever struts the butt to skeleton or skin tissue, single hand can operate, and is simple and convenient.

However, in the above-mentioned technique, the distance between the first clamp rod and the second clamp rod is adjusted by rotating the screw rod, and since both clamp rods are located under the guide post, the guide post can prevent the doctor from operating when the skin tissue of the patient is spread, especially for some small incisions, the line of sight is blocked; therefore, an operation spreader is proposed for the above problems.

Disclosure of Invention

In order to make up for the defects in the prior art, the distance between the first clamp rod and the second clamp rod is adjusted through the rotation of the screw rod, and because the two clamp rods are positioned under the guide post, the guide post can prevent the doctor from operating when the skin tissue of a patient is propped up, and particularly, the problem of blocking the line of sight is caused for some smaller incisions.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses an operation spreader which comprises a cylindrical block, wherein a spreading mechanism is arranged in the cylindrical block and comprises a cavity, the cavity is formed in the cylindrical block, the left side of the inner wall of the cavity is rotationally connected with the left side of a threaded rod, the right side of the threaded rod is fixedly connected with a rotating block, through grooves are formed in the bottom end of the cylindrical block, two groups of moving blocks are connected onto the threaded rod in a threaded manner, threads with opposite rotation directions are formed in the left end and the right end of the threaded rod, connecting blocks are fixedly connected onto the bottom ends of the moving blocks, the bottom ends of the connecting blocks are fixedly connected with a fixed plate, sliding grooves are formed in the front side and the rear side of the fixed plate, sliding blocks are connected into the sliding grooves in a sliding manner, the bottom ends of the sliding blocks are fixedly connected with supporting plates, the supporting plates are of L-shaped structure design, five groups of threaded holes are formed in the bottom ends of the fixed plate, screws are connected onto the inner threads of the threaded holes, and anti-skid threads are formed in one side of the supporting plates.

Preferably, a groove is formed in one side of the moving block, and a rubber ring is fixedly connected to the inside of the groove.

Preferably, the limiting blocks are fixedly connected to the front side and the rear side of the connecting block, the limiting blocks are slidably connected to the inside of the limiting grooves, and the limiting grooves are formed in the inner walls of the through grooves.

Preferably, the through groove is communicated with the cavity, and the connecting block is slidably connected to the through groove.

Preferably, cushion blocks are fixedly connected to the left side and the right side of the inner wall of the through groove, and the cushion blocks are made of rubber materials.

Preferably, the left side of the cylindrical block is fixedly connected with a handle, and a rubber sleeve is sleeved on the handle.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the spreading mechanism, the problem that the cylindrical blocks block the sight of a doctor and prevent operation when spreading the skin tissue of a patient is solved, and the problems that the distance between the first clamp rod and the second clamp rod is adjusted through the rotation of the screw rod in the above technology, and the guide posts block the sight of the doctor when spreading the skin tissue of the patient because the two clamp rods are positioned under the guide posts are solved;

2. the utility model realizes the function of conveniently adjusting the initial distance of the two groups of supporting plates through the structural design of the threaded holes, so that the distance between the supporting plates can be adjusted in advance when the incisions with different sizes are opened, and the number of turns of the rotating block is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic structural view of the expanding mechanism of the present utility model;

fig. 5 is a schematic view of the connection structure of the components of the opening mechanism of the present utility model.

In the figure: 1. a cylindrical block; 20. a cavity; 21. a moving block; 22. a threaded rod; 23. a rotating block; 24. a through groove; 25. a connecting block; 26. a fixing plate; 27. a chute; 28. a slide block; 29. a supporting plate; 30. a threaded hole; 31. a screw; 32. a limiting block; 33. a limit groove; 34. a cushion block; 35. a groove; 36. a rubber ring; 37. anti-skid lines; 38. a grip; 39. a rubber sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an operation spreader comprises a cylindrical block 1, a spreader mechanism is arranged in the cylindrical block 1, the spreader mechanism comprises a cavity 20, the cavity 20 is arranged in the cylindrical block 1, the left side of the inner wall of the cavity 20 is rotationally connected with the left side of a threaded rod 22, the right side of the threaded rod 22 is fixedly connected with a rotating block 23, a through groove 24 is formed in the bottom end of the cylindrical block 1, two groups of moving blocks 21 are connected with the threaded rod 22 in a threaded manner, threads with opposite rotation directions are formed in the left end and the right end of the threaded rod 22, a connecting block 25 is fixedly connected with the bottom end of the moving block 21, the bottom end of the connecting block 25 is fixedly connected with a fixing plate 26, sliding grooves 27 are formed in the front side and the rear side of the fixing plate 26, sliding blocks 28 are slidingly connected with sliding blocks 28, supporting plates 29 are fixedly connected with the bottom ends of the sliding blocks 28, the supporting plates 29 are of an L-shaped structure design, five groups of threaded holes 30 are formed in the bottom end of the fixing plate 26, threads of the threaded holes 30 are internally connected with screws 31, and one side of the supporting plates 31 is provided with anti-skidding threads 37;

during operation, the distance between the first clamp rod and the second clamp rod is adjusted through the rotation of the screw rod in the technology, because the two groups of clamp rods are all located under the guide post, when the skin tissue of a patient is propped up, the guide post can prevent the operation of a doctor, especially for some smaller incisions, the line of sight is blocked, when the skin tissue of the patient is propped up, the cylindrical block 1 can prevent the line of sight of the doctor and prevent the operation through the structural design of the propping up mechanism, the function of conveniently adjusting the initial distance of the two groups of the supporting plates 29 is realized through the structural design of the threaded holes 30, so that when the incisions of different sizes are propped up, the distance between the supporting plates 29 can be adjusted in advance, the rotation circle number of the rotating block 23 is reduced, and when the incisions of the patient are to be propped up, the rotating block 23 drives the threaded rod 22 to rotate through the rotating block 23. Because the threads on the left side and the right side of the threaded rod 22 are opposite, the two groups of moving blocks 21 in threaded connection on the threaded rod 22 can move reversely, so that the two groups of supporting plates 29 are separated from each other until the supporting plates 29 prop open the incision of a patient, and because the supporting plates 29 are of L-shaped structural design, when the supporting plates 29 prop open the incision, the bottom ends of the cylindrical blocks 1 and the supporting plates 29 cannot be on the same vertical plane, so that the cylindrical blocks 1 cannot block the sight of the incision, and cannot prevent a doctor from processing the depth of the incision, wherein the bottom ends of the fixing plates 26 are provided with five groups of threaded holes 30, the supporting plates 29 are fixed on the bottom ends of the sliding blocks 28 through screws 31, and the initial distance between the two groups of supporting plates 29 can be adjusted in advance according to the actual incision size, so that the anti-skid threads 37 are arranged on one side of the supporting plates 29 so as to facilitate the incision to prop open.

Further, a groove 35 is formed on one side of the moving block 21, and a rubber ring 36 is fixedly connected inside the groove 35;

during operation, be provided with rubber circle 36 between two sets of movable blocks 21, rubber circle 36 is used for the buffering between two sets of movable blocks 21, avoids taking place the ground between the movable block 21, causes the damage.

Further, the two sides of the connecting block 25 are fixedly connected with limiting blocks 32, the limiting blocks 32 are slidably connected in limiting grooves 33, and the limiting grooves 33 are formed in the inner walls of the through grooves 24;

during operation, through the sliding connection of the limiting block 32 on the limiting groove 33, the connecting block 25 cannot shake easily during moving, and meanwhile, the moving distance of the connecting block 25 on the through groove 24 is limited.

Further, the through groove 24 is communicated with the cavity 20, and the connecting block 25 is slidably connected to the through groove 24;

during operation, the through groove 24 is formed in the bottom end of the cylindrical block 1 and is communicated with the cavity 20, and when the rotating block 23 is rotated to enable the moving block 21 on the threaded rod 22 to move, the connecting block 25 moves on the through groove 24.

Further, cushion blocks 34 are fixedly connected to the left and right sides of the inner wall of the through groove 24, and the cushion blocks 34 are made of rubber;

during operation, the cushion 34 is used for buffering between the connecting block 25 and the inner wall of the through groove 24, so that the connecting block 25 is prevented from being abutted with the inner wall of the through groove 24 to cause abrasion.

Further, a grip 38 is fixedly connected to the left side of the cylindrical block 1, and a rubber sleeve 39 is sleeved on the grip 38;

in operation, the left side of the cylindrical block 1 is fixed with a grip 38 to facilitate the hand holding of the cylindrical block 1, and the grip 38 is also sleeved with a rubber sleeve 39 to facilitate the increase of friction between the palm and the grip 38.

Working principle: in the above technology, the distance between the first clamp rod and the second clamp rod is adjusted through the rotation of the screw rod, because the two groups of clamp rods are all located under the guide post, when the skin tissue of a patient is spread, the guide post can prevent the operation of a doctor, especially for some smaller incisions, the line of sight is blocked, when the skin tissue of the patient is spread, the line of sight of the doctor is prevented from being blocked by the cylindrical block 1 through the structural design of the spreading mechanism, and the operation is prevented, the function of adjusting the initial distance of the two groups of support plates 29 is realized through the structural design of the threaded holes 30, so that when the incisions of different sizes are spread, the distance between the support plates 29 can be adjusted in advance, the rotation number of the rotating block 23 is reduced, and when the incisions of the patient are to be spread, the threaded rod 22 is driven to rotate through the rotating block 23. Because the threads on the left side and the right side of the threaded rod 22 are opposite, the two groups of moving blocks 21 in threaded connection on the threaded rod 22 can move reversely, so that the two groups of supporting plates 29 are separated from each other until the supporting plates 29 prop open the incision of a patient, and because the supporting plates 29 are of L-shaped structural design, when the supporting plates 29 prop open the incision, the bottom ends of the cylindrical blocks 1 and the supporting plates 29 cannot be on the same vertical plane, so that the cylindrical blocks 1 cannot block the sight of the incision, and cannot prevent a doctor from processing the depth of the incision, wherein the bottom ends of the fixing plates 26 are provided with five groups of threaded holes 30, the supporting plates 29 are fixed on the bottom ends of the sliding blocks 28 through screws 31, and the initial distance between the two groups of supporting plates 29 can be adjusted in advance according to the actual incision size, so that the anti-skid threads 37 are arranged on one side of the supporting plates 29 so as to facilitate the incision to prop open.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. Surgical spreader, comprising a cylindrical block (1), said cylindrical block (1) being characterized in that: the inside of (a) is provided with struts mechanism, struts mechanism includes cavity (20), the inside at cylindrical block (1) is seted up to cavity (20), the left side of cavity (20) inner wall rotates with the left side of threaded rod (22) and is connected, the right side and the rotating block (23) fixed connection of threaded rod (22), logical groove (24) have been seted up on the bottom of cylindrical block (1), threaded connection has two sets of movable blocks (21) on threaded rod (22), set up on the left and right sides both ends of threaded rod (22) and revolve the screw that is opposite, fixedly connected with connecting block (25) on the bottom of movable block (21), spout (27) have all been seted up to the bottom and fixed plate (26) fixed connection of connecting block (25), the inside sliding connection of spout (27) has slider (28), the bottom fixedly connected with fagging (29) of slider (28), fagging (29) are L shape structural design, set up on the bottom of fixed plate (26) and have five screw holes (30), screw thread (30) are seted up on one side of screw hole (30).

2. A surgical spreader according to claim 1, wherein: a groove (35) is formed in one side of the moving block (21), and a rubber ring (36) is fixedly connected inside the groove (35).

3. A surgical spreader according to claim 2, wherein: limiting blocks (32) are fixedly connected to the front side and the rear side of the connecting block (25), the limiting blocks (32) are slidably connected to the inside of limiting grooves (33), and the limiting grooves (33) are formed in the inner walls of the through grooves (24).

4. A surgical spreader according to claim 3, wherein: the through groove (24) is communicated with the cavity (20), and the connecting block (25) is connected to the through groove (24) in a sliding mode.

5. A surgical spreader according to claim 4, wherein: cushion blocks (34) are fixedly connected to the left side and the right side of the inner wall of the through groove (24), and the cushion blocks (34) are made of rubber.

6. A surgical spreader according to claim 5, wherein: the left side of the cylindrical block (1) is fixedly connected with a handle (38), and a rubber sleeve (39) is sleeved on the handle (38).