CN219183888U - Wound opening device - Google Patents

Abstract

The utility model provides a wound opening device, and belongs to the technical field of medical appliances. The wound opening device comprises a base, a moving mechanism and an opening device. The moving mechanism comprises a driving piece and a rack, one end of the rack is in transmission connection with a movable end of the driving piece, the other end of the rack is connected with the moving block, a connecting piece is arranged on the upper surface of the moving block, a supporting piece is arranged on the surface of the connecting piece, the opening device comprises a cross rod and a screw rod, the sliding blocks are respectively sleeved on the surfaces of the cross rod and the screw rod, and the supporting blocks are arranged on the sliding blocks. According to the utility model, the rack can drive the moving block to move while moving through the cooperation of the driving piece and the rack, the distance between the supporting pieces is increased through the movement of the moving block and the connecting piece, the limb of a patient is placed on the supporting pieces, and the supporting blocks can be driven to move through the cooperation of the screw rod and the sliding block by the sliding block, so that the supporting blocks can pull the wound, and the wound is propped open.

Description

device for opening a wound

technical field

The utility model relates to the field of medical instruments, in particular to a wound opening device.

Background technique

Surgery is referred to as surgery, commonly known as surgery, which refers to the operation of surgical equipment or instruments to enter the human body or other biological tissues under the operation of surgeons or other professionals, to eliminate lesions, change structures or implant foreign objects by external force. Therefore, surgery is an operation that destroys the integrity of tissue (incision) or restores tissue whose integrity has been compromised (suturing).

In some cases, when the bone is injured, the wound needs to be stretched. At present, the existing wound stretching device often pulls the wound through pliers, and an assistant is needed to help pull the wound. When the pliers are clamping and pulling the wound, If the clamping force is too large, it will easily cause secondary damage to the wound, and if the clamping force is too small, it will be difficult to pull the wound, which is not conducive to use.

Utility model content

In order to make up for the above deficiencies, the utility model provides a wound stretching device, which aims to improve the inconvenience of wound stretching or pulling.

The utility model is achieved in that:

The utility model provides a wound stretching device, which comprises a base, a moving mechanism and a stretching mechanism. The moving mechanism includes a driving part and a rack, the driving part is fixedly connected to the base, the rack runs through the base, and one end of the rack is in transmission connection with the movable end of the driving part, so There is a gap in the base, the gap is slidably provided with a moving block, the other end of the rack is connected to the moving block, a connecting piece is installed on the upper surface of the moving block, and a supporting piece is installed on the surface of the connecting piece. The expansion mechanism includes a cross bar and a screw rod, the cross bar is fixedly connected to one end of the connecting piece, the screw rod runs through the one end of the connecting piece, and a slider is provided at one end of the screw rod, and the sliders are respectively It is sleeved on the surface of the cross bar and the screw rod, and the slider is equipped with a support block.

In one embodiment of the present utility model, the driving member includes a motor and a gear, the motor is installed on the upper surface of the base, and the output shaft of the motor is connected to the gear, and the gear is connected to the gear The gear rack meshing connection.

In one embodiment of the present utility model, the connecting piece includes a connecting block and a telescopic piece, the connecting block is fixedly connected with the moving block, and a first groove is opened in the connecting block, and the telescopic piece The sliding part is installed in the connecting block, and the movable end of the telescopic part is installed with a sliding seat, and the sliding seat is located in the first groove, and the cross bar and the screw rod are connected with the sliding seat .

In one embodiment of the present invention, two supports are arranged symmetrically, and the support includes a fixed block and a clamping block, and the fixed block is connected to one side of the connecting block and the clamping block respectively. The side is fixedly connected, the clamp block is L-shaped, and the surface of the clamp block is equipped with an arc-shaped pad and an elastic cord.

In one embodiment of the present invention, a support plate is provided between the two clamping blocks, and an insertion rod is provided on the surface of the support plate, and one end of the insertion rod is slidably inserted into the interior of the clamping block.

In one embodiment of the present invention, a cavity is opened inside the support plate, a spring is arranged in the cavity, and an insert block is installed at the other end of the insert rod, and the spring is connected with the insert block respectively. connected to the inner wall of the cavity.

In one embodiment of the present invention, a protrusion is installed at one end of the screw, a second groove is opened in the slider, the protrusion is arranged inside the second groove, and the screw is further One end is fitted with a handle.

In one embodiment of the present invention, the cross-section of the support block is arc-shaped, and the surface of the support block is sleeved with a protective pad.

The beneficial effects of the utility model are: the utility model obtains a kind of wound opening device through the above-mentioned design, when in use, through the cooperation of the driving part and the rack, the rack can drive the moving block to move along the gap while moving , to reduce the possibility of deviation of the moving track of the moving block, through the movement of the moving block and the connecting piece, the distance between the supports is increased, and the patient's limbs are placed on the support, through the cooperation of the screw and the slider , making the slider move along the cross bar, which is beneficial to the stability of the slider movement, and the slider will drive the support block to move, so that the support block pulls the wound, which is beneficial to open the wound and is easy to use.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained according to these drawings without creative work.

Fig. 1 is a schematic structural view of a wound opening device provided by an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the connection between the driving part and the connecting part provided by the embodiment of the utility model;

Fig. 3 is a schematic structural view of the support provided by the embodiment of the present invention;

Fig. 4 is a schematic structural view of the expansion mechanism provided by the embodiment of the present invention.

Among the figure: 100-base; 110-notch; 200-moving mechanism; 210-driver; 211-motor; 212-gear; 220-rack; 230-moving block; -Expandable part; 243-the first groove; 244-sliding seat; 250-support; 251-fixed block; 252-clamp block; 257-insert block; 300-expanding mechanism; 310-cross bar; 320-screw rod; 321-projection block; 330-slider block; 331-second groove;

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments described above are some of the embodiments of the present utility model, but not all of them. Based on the implementation manners in the present utility model, all other implementation manners obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present utility model.

Example

Please refer to FIGS. 1-4 , the utility model provides a wound expansion device, which includes a base 100 , a moving mechanism 200 and a expansion mechanism 300 .

Wherein, the base 100 is used to place the moving mechanism 200 and the stretching mechanism 300. By controlling the moving mechanism 200 to adjust the distance between the two supports 250, the patient's limbs are placed on the supports 250. Pulling will help to open the wound.

Please refer to FIGS. 1-3 , the moving mechanism 200 includes a driver 210 and a rack 220 , the driver 210 is fixedly connected to the base 100 , the rack 220 runs through the base 100 , and one end of the rack 220 is connected to the movable end of the driver 210 for transmission. connection, there is a gap 110 in the base 100, the gap 110 is slidably provided with a moving block 230, the other end of the rack 220 is connected to the moving block 230, a connecting piece 240 is installed on the upper surface of the moving block 230, and a supporting piece 250 is installed on the surface of the connecting piece 240 , in specific implementation, by starting the driving member 210, the rack 220 connected to the movable end of the driving member 210 can be moved, and the rack 220 runs through the base 100, reducing the possibility of the rack 220 colliding with the base 100 , because the other end of the rack 220 is fixedly connected with the moving block 230, the rack 220 can drive the moving block 230 to move in the gap 110 when moving, which is beneficial to improve the stability of the moving block 230 moving in the gap 110, and the moving block 230 is moving When this happens, the connecting piece 240 will be driven to move, so that the distance between the supporting piece 250 on the connecting piece 240 and another supporting piece 250 will increase or decrease, which is beneficial to clamping and fixing the limbs of different patients.

In this embodiment, the driving member 210 includes a motor 211 and a gear 212, the motor 211 is installed on the upper surface of the base 100, and the output shaft of the motor 211 is connected to the gear 212, and the gear 212 is meshed with the rack 220. Install the motor 211 on the upper surface of the base 100, which is beneficial to control the motor 211. By starting the motor 211, it drives the gear 212 to rotate. Because the rack 220 and the gear 212 are meshed and connected, the gear 212 can drive the rack 220. The movement is beneficial to the movement of the rack 220 to drive the moving block 230; the connecting piece 240 includes a connecting block 241 and a telescopic piece 242, the connecting piece 241 is fixedly connected with the moving piece 230, and a first groove 243 is provided in the connecting piece 241, and the telescopic piece 242 is installed in the connecting block 241, and the movable end of the telescopic member 242 is equipped with a sliding seat 244, the sliding seat 244 is located in the first groove 243, and the cross bar 310 and the screw rod 320 are connected with the sliding seat 244. In specific implementation, The movement of the moving block 230 will drive the connecting block 241 to move. The connecting block 241 is used to support the support member 250, which is beneficial to the stability of the support member 250. A first groove 243 is provided in the connecting block 241 to lower the movable end of the telescopic member 242 and connect it. The possibility of block 241 colliding, the sliding seat 244 is pushed to move through the movable end of the telescopic part 242, so that the sliding seat 244 moves in the first groove 243, and the cross bar 310 and the screw rod 320 are connected with the sliding seat 244, and the When the seat 244 moves, it will drive the cross bar 310 and the screw rod 320 to move, which is beneficial to adjust the height of the slider 330 and the support block 340. It should be noted that the telescopic member 242 can be a cylinder, an electric cylinder or an electric push rod;

Two support members 250 are arranged symmetrically. The support member 250 includes a fixed block 251 and a clamp block 252. The fixed block 251 is fixedly connected to one side of the connecting block 241 and one side of the clamp block 252 respectively. The clamp block 252 is L-shaped, and the clamp block The surface of 252 is equipped with arc pads and elastic cords. During specific implementation, two support members 250 are provided to clamp the patient's limbs. The stability of the clamping block 252 on the surface of the connecting block 241 is improved, and the clamping block 252 is L-shaped, which is beneficial to supporting the patient's limbs, and an arc-shaped pad is installed on the surface of the clamping block 252, which is conducive to improving the comfort of the patient's limbs when placed on the surface of the clamping block 252 Then the elastic cord is placed on the limbs, which is beneficial to the fixation of the limbs. It should be noted that the materials used for the arc pad and the elastic cord are rubber, silica gel and other materials; a support plate 253 is arranged between the two clamping blocks 252 The surface of the support plate 253 is provided with an insertion rod 254, and one end of the insertion rod 254 is slidably inserted into the inside of the clamp block 252. The distance between them is inserted into the inside of the clamp block 252 through the insert rod 254 on the surface of the support plate 253, which is conducive to improving the stability of the connection between the support plate 253 and the two clamp blocks 252; the support plate 253 is provided with a cavity 255 inside, and the cavity 255 A spring 256 is arranged inside, and an insert block 257 is installed at the other end of the insert rod 254, and the spring 256 is connected with the insert block 257 and the inner wall of the cavity 255 respectively. 253 is taken out from between the two clamping blocks 252, and a spring 256 is installed in the cavity 255. Through the elastic force of the spring 256 and the movement of the connecting block 241, the clamping block 252 can push the insertion rod 254, so that the insertion rod 254 moves toward the cavity. 255, it is beneficial to adjust the distance between the two clamping blocks 252 and the support plate 253, and the inserting block 257 installed at the other end of the inserting rod 254 is plugged in the cavity 255, reducing the ejection of the inserting rod 254 from the cavity 255. possibility.

Referring to Figures 1-4, the expansion mechanism 300 includes a cross bar 310 and a screw 320, the cross bar 310 is fixedly connected to one end of the connector 240, the screw 320 runs through one end of the connector 240, and one end of the screw 320 is provided with a slider 330, The slider 330 is respectively sleeved on the surface of the cross bar 310 and the screw 320, and the slider 330 is equipped with a support block 340. In a specific implementation, the screw 320 runs through the connecting piece 240, which facilitates the movement of the screw 320 on the connecting piece 240. By rotating The screw 320 makes it push the slider 330 to move along the cross bar 310, which is beneficial to adjust the distance between the slider 330 and the connecting piece 240. The cross bar 310 has a guiding effect. When the slider 330 moves along the surface of the cross bar 310, the slider The possibility that the movement trajectory of the block 330 deviates, the sliding block 330 will drive the support block 340 to move when moving, which is beneficial to open the wound on the patient's limb.

In this embodiment, a protrusion 321 is installed at one end of the screw 320, a second groove 331 is provided in the slider 330, the protrusion 321 is arranged inside the second groove 331, and a handle is installed at the other end of the screw 320. At this time, a protrusion 321 is installed at one end of the screw 320, and the protrusion 321 is rotated and arranged in the second groove 331. By rotating the handle, the slider 330 is facilitated to move when the screw 320 rotates. At the same time, the screw 320 is lowered from the second groove. The possibility of extracting in the groove 331; the cross section of the support block 340 is arc-shaped, and the surface of the support block 340 is sleeved with a protective pad. The wound is pulled, and a protective pad is sleeved on the surface of the support block 340 to reduce the possibility of secondary damage to the wound caused by the contact between the support block 340 and the wound. It should be noted that the protective pad is made of soft materials such as rubber and silica gel.

Specifically, the working principle of the wound expansion device: when in use, the driving part 210 is activated to make it rotate. During the rotation, the movable end of the driving part 210 drives the rack 220 to move, and the rack 220 pushes the moving block 230 to move The movement in the gap 110 is conducive to the stability of the movement of the moving block 230. When the moving block 230 moves, it will drive the connecting piece 240 to move, so that the supporting piece 250 on the connecting piece 240 can be moved, which is beneficial to adjust the distance of the supporting piece 250. Limbs are placed on the support member 250, by turning the screw rod 320, it drives the slider 330 to move along the cross bar 310, reducing the possibility of deviation of the moving track of the slider 330, and the slider 330 will drive the support block 340 when moving The movement is beneficial to adjust the distance between the support block 340 and the connecting piece 240, and the wound of the patient's limb can be pulled through the support block 340, which is beneficial to stretch the wound and is convenient for use.

It should be noted that the specific models and specifications of the motor 211 and the telescopic member 242 need to be selected according to the actual specifications of the device.

The power supply of the motor 211 and the telescopic member 242 and their principles are clear to those skilled in the art, and will not be described in detail here.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (8)

1. A device for opening a wound, characterized in that it comprises base(100); A moving mechanism (200), the moving mechanism (200) includes a driving member (210) and a rack (220), the driving member (210) is fixedly connected to the base (100), and the rack (220) It runs through the base (100), and one end of the rack (220) is in transmission connection with the movable end of the driving member (210). There is a gap (110) in the base (100), and the gap ( 110) A moving block (230) is slidably arranged, and the other end of the rack (220) is connected to the moving block (230), and a connecting piece (240) is installed on the upper surface of the moving block (230), and the connection A support (250) is installed on the surface of the piece (240); The expansion mechanism (300), the expansion mechanism (300) includes a cross bar (310) and a screw (320), the cross bar (310) is fixedly connected with one end of the connecting piece (240), and the screw ( 320) runs through one end of the connecting piece (240), and one end of the screw (320) is provided with a slider (330), and the slider (330) is respectively sleeved on the cross bar (310) and the The surface of the screw (320), and the slider (330) is installed with a support block (340). 2. A wound distraction device according to claim 1, characterized in that, the driving member (210) includes a motor (211) and a gear (212), and the motor (211) is installed on the base ( 100) upper surface, and the output shaft of the motor (211) is in transmission connection with the gear (212), and the gear (212) is engaged with the rack (220). 3. A wound distraction device according to claim 1, characterized in that, the connecting piece (240) comprises a connecting block (241) and a telescopic piece (242), and the connecting block (241) and the The moving block (230) is fixedly connected, and a first groove (243) is opened in the connecting block (241), the telescopic element (242) is installed in the connecting block (241), and the telescopic element The movable end of (242) is equipped with slide seat (244), and described slide seat (244) is positioned in described first groove (243), and described cross bar (310) and described screw rod (320) all match with the The sliding seat (244) is connected. 4. A wound distraction device according to claim 3, characterized in that, two supports (250) are arranged symmetrically, and the supports (250) include a fixed block (251) and a clamping block ( 252), the fixed block (251) is fixedly connected to one side of the connecting block (241) and one side of the clamping block (252), the clamping block (252) is L-shaped, and the clamping block (252) surface mounted with arc pads and bungee cords. 5. A wound distraction device according to claim 4, characterized in that, a support plate (253) is provided between the two clamping blocks (252), and an insert is provided on the surface of the support plate (253). A rod (254), one end of the insertion rod (254) is slidably inserted into the inside of the clamp block (252). 6. A wound distraction device according to claim 5, characterized in that, a cavity (255) is opened inside the support plate (253), and a spring (256) is arranged in the cavity (255) An insert block (257) is installed at the other end of the insert rod (254), and the spring (256) is respectively connected with the insert block (257) and the inner wall of the cavity (255). 7. A wound distraction device according to claim 1, characterized in that a protrusion (321) is installed at one end of the screw (320), and a second groove (321) is opened in the slider (330) 331), the protrusion (321) is arranged inside the second groove (331), and the other end of the screw (320) is provided with a handle. 8. The wound distraction device according to claim 1, characterized in that, the cross-section of the support block (340) is arc-shaped, and a protective pad is sleeved on the surface of the support block (340).

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