CN219207092U - A surgical retractor - Google Patents

Abstract

The utility model provides a surgical retractor, which relates to the technical field of common surgical instruments and comprises a retractor device and an adjustable fixing device, wherein the retractor device comprises a pull ring, a fixing rod, a connecting rod, a double-head hook body, a fixing column and a protruding rod. According to the adjustable fixing device and the drag hook device, after skin muscles of a patient are cut, medical staff pulls the skin muscles to two sides respectively by using the double-head hook body, the rotating wheel is slowly rotated, the adjusting block moves outwards along the screw rod to drive the double-head hook body to pull the skin muscles to two sides respectively, the double-head hook body can effectively prop up a space at a surgical wound to facilitate the operation and the postoperative suture operation of a doctor, a drag hook assistant is not needed to stand beside a sickbed for manual drag hook, the working intensity of medical staff is reduced, meanwhile, the skin muscles of the patient are pulled to two sides by using the adjustable fixing device, the uniform force of the drag hook is ensured, the phenomenon that the incision of the patient is sometimes loose to influence the sight of the doctor is avoided, and the surgical efficiency is improved.

Description

A surgical retractor

technical field

The utility model relates to the technical field of general surgical instruments, in particular to a surgical retractor.

Background technique

Surgical retractor is a kind of medical equipment, which is a surgical tool. During surgery, when the patient's skin and muscles are cut, the medical staff need to use the surgical retractor to pull the skin and muscles to both sides, so that the middle surgical field of view will be exposed. It is convenient for doctors to perform operations.

In the prior art, as the Chinese patent number is: "a kind of surgical retractor" of CN217366169U, comprising a pull arm, one end of the pull arm is connected to a single-head pull hook, and the other end is connected to a double-head pull hook; the double-head pull hook includes two A "V"-shaped pull rod, the converging end of the two pull rods is connected to the pull arm, and the open ends of the two pull rods are respectively connected to hook bodies, and the hook bodies are in a smooth arc shape. The utility model of the surgical retractor, the double-ended retractor can effectively open a triangular space at the wound to facilitate surgical suture operation, the single-ended retractor is easy to hold; the hook body of the double-ended retractor is smooth, which can reduce the damage to animal muscles and skin during surgery .

However, most of the surgical retractors are currently pulled by hand without a fixed bracket. This will not only cause the retractor assistants to work very hard, but also cause the retractor assistants to consume a lot of energy. At the same time, it will also cause the retractors to pull unevenly, resulting in a slight incision. The phenomenon of tightening and loosening also affects the sight of the chief surgeon. At the same time, the retractor assistant standing beside the bed will affect the chief surgeon's operation. Aiming at the above problems, a surgical retractor is proposed.

Utility model content

The purpose of this utility model is to solve the problems in the prior art that most of the operations currently use human hands to pull the surgical retractor without a fixed bracket. This will not only cause the retractor assistant to work very hard, but also cause the retractor assistant to consume a lot of physical strength. Uneven force during pulling causes the incision to be slightly tight and sometimes loose, which also affects the surgeon's sight. At the same time, the retractor assistant standing beside the bed will affect the surgeon's operation. A surgical retractor is proposed.

In order to achieve the above object, the utility model adopts the following technical scheme: a surgical retractor, including a retractor device and an adjustable fixing device, the retractor device includes a pull ring, a fixed rod, a connecting rod, a double-headed hook body, a fixed column and A protruding rod, one end of the connecting rod is fixedly connected to one end of the double-headed hook body, the top of the protruding rod is fixedly connected to the bottom of the connecting rod, and the outer side of the protruding rod is evenly and fixedly connected with four blocks, so There is a groove on the top of the fixing column, and four slots are uniformly opened on the outside of the groove, and one end of the block is engaged with the inside of the slot, and the adjustable fixing device includes a fixing frame, a pull rod , a support frame, a top plate, a screw rod and an adjustment block, the two ends of the screw rod are movably installed with the inner side of the support frame, and one end of the screw rod is fixedly connected with a rotating wheel, and the inner side of the adjustment block is movably connected with a movable ring, the inner side of the movable ring is threadedly connected with the outer side of the screw rod.

Preferably, the top of the adjustment block is fixedly installed with the bottom of the fixing column, and the bottom end of the support frame is welded with the top of the fixing frame.

Preferably, two threaded cylinders are symmetrically fixedly connected to both ends of the bottom of the fixing frame, and a clamping threaded rod is threadedly connected to the inner side of the threaded cylinders.

Preferably, one side of the fixing frame is fixedly connected to both ends of the pull rod, and two limit rods are symmetrically fixedly connected to the inner side of the support frame.

Preferably, the inner side of one end of the adjustment block is slidably connected to the outer side of the limit rod, and the top of the support frame is welded to the bottom of the top plate.

Preferably, one end of the fixing rod is fixedly connected to one end of the connecting rod, and the other end of the fixing rod is fixedly connected to one end of the pull ring.

Preferably, a slot is opened through the top of the top plate.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. In this utility model, two adjustable fixing devices are fixed on the side of the bed, and then the pull hook device is fixed on the top of the adjustment block. When the patient's skin and muscles are cut, the medical staff use the double-headed hook body to separate the skin and muscles respectively. Pulled on both sides, the outer surface of the double-headed hook body is smooth, which can reduce the damage to human muscles and skin during surgery.

2. In the utility model, by setting an adjustable fixing device and slowly rotating the rotating wheel, the movable ring and the adjusting block move outward along the screw rod, driving the double-headed hook body to pull the skin and muscles to both sides respectively, and the double-headed hook The body can effectively open up a space at the surgical wound, which is convenient for the surgeon and postoperative suturing operation, and does not require a retractor assistant to stand beside the hospital bed to manually retract the hook, reducing the work intensity of medical staff. The two sides are pulled apart to ensure the uniform force of the retractor, avoiding the tight and loose incision of the patient from affecting the surgeon's sight, and improving the operation efficiency.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram that the utility model proposes a kind of surgical retractor;

Fig. 2 is an exploded schematic diagram of an adjustable fixing device for a surgical retractor proposed by the utility model;

3 is a schematic diagram of the internal structure of an adjustable fixing device for a surgical retractor proposed by the present invention;

Fig. 4 is a structural schematic diagram of a retractor device for a surgical retractor proposed by the present invention.

Legend: 1. Pull hook device; 2. Adjustable fixing device; 11. Pull ring; 12. Fixing rod; 13. Connecting rod; 14. Double hook body; 15. Fixing column; 16. Groove; 17. Card Groove; 18, protruding rod; 19, block; 21, threaded barrel; 22, clamping threaded rod; 23, fixed frame; 24, pull rod; 25, support frame; 26, rotating wheel; Groove; 29, screw mandrel; 30, adjusting block; 31, limit rod; 32, movable ring.

Detailed ways

In order to understand more clearly the above purpose, features and advantages of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here. Therefore, the utility model is not limited to the specific details of the following disclosure EXAMPLE LIMITATIONS.

Embodiment 1, as shown in Figure 1-4, the utility model provides a kind of surgical retractor, comprises retractor device 1 and adjustable fixation device 2, retractor device 1 comprises pull ring 11, fixed rod 12, connecting rod 13, double Head hook body 14, fixed column 15 and protruding rod 18, one end of connecting rod 13 is fixedly connected with one end of double-headed hook body 14, the top of protruding rod 18 is fixedly connected with the bottom of connecting rod 13, and the outside of protruding rod 18 is uniform Four clamping blocks 19 are fixedly connected, and the top of the fixed column 15 is provided with a groove 16, and the outside of the groove 16 is evenly provided with four clamping grooves 17, and one end of the clamping block 19 is clamped with the inside of the clamping groove 17, and the The locking block 19 on the outside of the protruding rod 18 is aligned with the card slot 17, and then the protruding bar 18 is pressed down into the groove 16, and the locking block 19 and the card slot 17 can be clamped and fixed, so that the hook device 1 can be fixed on the adjusting block 30 At the top, the adjustable fixing device 2 includes a fixed frame 23, a pull rod 24, a support frame 25, a top plate 27, a screw mandrel 29 and an adjustment block 30, and the two ends of the screw mandrel 29 are movably installed with the inboard of the support frame 25, and the inner sides of the screw mandrel 29 One end is fixedly connected with rotating wheel 26, and the inboard of adjustment block 30 is movably connected with movable ring 32, and the inboard of movable ring 32 is threadedly connected with the outside of screw mandrel 29, and slowly rotates rotating wheel 26, and rotating wheel 26 can drive screw mandrel 29 to rotate slowly , so that the movable ring 32 and the adjusting block 30 move outward along the screw rod 29, driving the double-headed hook body 14 to pull the skin and muscles to both sides respectively, and the double-headed hook body 14 can effectively open up a space at the surgical wound It is convenient for the chief surgeon to operate and suture after operation.

As shown in Figures 2 and 3, the top of the adjustment block 30 is fixedly installed with the bottom of the fixed column 15, and one end of the bottom of the support frame 25 is welded to the top of the fixed frame 23, and the fixed frame 23 can fix the device on the bed edge of the hospital bed , to facilitate the installation and disassembly of the adjustable fixing device 2 .

As shown in Fig. 1 and Fig. 2, two ends of the bottom of the fixed frame 23 are symmetrically fixedly connected with two threaded cylinders 21, and the inner side of the threaded cylinder 21 is threadedly connected with a clamping threaded rod 22, and the clamping threaded rod 22 is rotated to clamp the threaded rod. The rod 22 moves upwards, thereby fixing the fixed frame 23 and the support frame 25 at the bedside, which is convenient for fixing and dismounting the adjustable fixing device 2 .

As shown in Figure 2 and Figure 3, one side of the fixed frame 23 is fixedly connected with the two ends of the pull rod 24, and the inner side of the support frame 25 is symmetrically fixedly connected with two limit rods 31, and the pull rod 24 is convenient for the medical personnel to move the device.

As shown in Fig. 2 and Fig. 3, the inner side of one end of the adjustment block 30 is slidably connected with the outer side of the stop rod 31, the top of the support frame 25 is welded to the bottom of the top plate 27, and the stop rod 31 can limit the adjustment block 30, Avoid the shaking and offset of the adjusting block 30 when moving.

As shown in Figure 1-4, one end of the fixed rod 12 is fixedly connected to one end of the connecting rod 13, and the other end of the fixed rod 12 is fixedly connected to one end of the pull ring 11. The ring 11 can relieve the hand pain of the medical staff.

As shown in FIG. 2 , a slot 28 is opened through the top of the top plate 27 , and the top plate 27 is used to cover the screw rod 29 and the adjustment block 30 inside the support frame 25 without affecting the movement of the hook device 1 .

The use method and working principle of this device: when the device is in use, according to the position where the patient needs to operate, the bottom fixing frames 23 of the two adjustable fixing devices 2 are respectively placed on both sides of the hospital bed, and the inside of the fixing frame 23 Stuck on the edge of the bed, turn and clamp the threaded rod 22, and move the clamped threaded rod 22 upwards, thereby fixing the fixed frame 23 and the support frame 25 on the bedside; The protruding rod 18 is pressed down into the groove 16, and the clamping block 19 and the clamping groove 17 can be clamped and fixed, so that the pull hook device 1 can be fixed on the top of the adjustment block 30. At this time, the two double-headed hook bodies 14 are facing the direction of the patient. , when the skin and muscles of the patient are incised, the medical personnel use the double-headed hook body 14 to pull the skin and muscles to both sides respectively. The outer surface of the double-headed hook body 14 is smooth, which can reduce the damage to human muscles and skin during the operation; At this time, the rotating wheel 26 is slowly rotated, and the rotating wheel 26 can drive the screw mandrel 29 to rotate slowly, so that the movable ring 32 and the adjusting block 30 are moved to the outside along the screw mandrel 29, and the double-ended hook body 14 is driven to move the skin and muscles to both sides respectively. Pulled apart, the double-headed hook body 14 can effectively open up a space at the surgical wound to facilitate the surgeon's operation and postoperative suturing operations, and does not require a puller assistant to stand beside the hospital bed to manually pull the hook, reducing the work intensity of medical staff. The device pulls the patient's skin and muscles to both sides to ensure the uniform force of the retractor, avoiding the tight and sometimes loose incision of the patient and affecting the surgeon's sight, and improving the operation efficiency; The adjustment fixture 2 can be disassembled from the hospital bed.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or remodel it into an equivalent change, etc. The effective embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present utility model still belong to the technical solution of the present utility model scope of protection.

Claims (7)

1. The surgical retractor is characterized by comprising a retractor device (1) and an adjustable fixing device (2), wherein the retractor device (1) comprises a pull ring (11), a fixing rod (12), a connecting rod (13), a double-head hook body (14), a fixing column (15) and a protruding rod (18), one end of the connecting rod (13) is fixedly connected with one end of the double-head hook body (14), the top of the protruding rod (18) is fixedly connected with the bottom of the connecting rod (13), four clamping blocks (19) are uniformly and fixedly connected with the outer side of the protruding rod (18), a groove (16) is formed in the top of the fixing column (15), four clamping grooves (17) are uniformly formed in the outer side of the groove (16), one end of each clamping block (19) is connected with the inner side of the clamping groove (17) in a clamping mode, the adjustable fixing device (2) comprises a fixing frame (23), a pull rod (24), a supporting frame (25), a top plate (27), a lead screw (29) and an adjusting block (30), two ends of the lead screw (29) are movably mounted with the inner side of the supporting frame (25), one end of the lead screw (29) is movably connected with a movable ring (30), the inner side of the movable ring (32) is in threaded connection with the outer side of the screw rod (29).

2. A surgical retractor according to claim 1, wherein: the top of the adjusting block (30) is fixedly arranged at the bottom of the fixing column (15), and one end of the bottom of the supporting frame (25) is welded with the top of the fixing frame (23).

3. A surgical retractor according to claim 1, wherein: two thread cylinders (21) are symmetrically and fixedly connected to two ends of the bottom of the fixing frame (23), and clamping threaded rods (22) are connected to the inner sides of the thread cylinders (21) in a threaded mode.

4. A surgical retractor according to claim 1, wherein: one side of the fixing frame (23) is fixedly connected with two ends of the pull rod (24), and two limiting rods (31) are symmetrically and fixedly connected with the inner side of the supporting frame (25).

5. The surgical retractor of claim 4, wherein: the inner side of one end of the adjusting block (30) is in sliding connection with the outer side of the limiting rod (31), and the top of the supporting frame (25) is welded with the bottom of the top plate (27).

6. A surgical retractor according to claim 1, wherein: one end of the fixed rod (12) is fixedly connected with one end of the connecting rod (13), and the other end of the fixed rod (12) is fixedly connected with one end of the pull ring (11).

7. A surgical retractor according to claim 1, wherein: the top of the top plate (27) is provided with a slot (28) in a penetrating way.

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