CN216456238U - A portable negative pressure suction device for wound treatment in burn plastic surgery - Google Patents

Abstract

The utility model belongs to the technical field of medical equipment, in particular to a portable negative pressure suction device for treating a wound surface in burn plastic surgery, which aims at the problem that the negative pressure suction device is large in size and inconvenient to carry, and the following scheme is proposed, wherein the portable negative pressure suction device comprises a cylindrical collecting box with an opening at the bottom, a sealing cover is in threaded connection with the bottom of the cylindrical collecting box, a liquid discharge pipe is fixedly communicated with the sealing cover, a valve is arranged on the liquid discharge pipe, a handle is fixedly arranged on the outer side of the cylindrical collecting box, and two insertion holes are formed in the top of the cylindrical collecting box; sealing rings are fixedly mounted in the two inserting holes, the inner rings of the two sealing rings are respectively inserted with a suction pipe and a connecting pipe, a fixing plate is fixedly mounted at the top of the handle, a connecting plate is mounted on the outer side of the fixing plate, an air exhaust mechanism is arranged on the connecting plate, and a reciprocating mechanism is arranged on the handle. The utility model has small volume, convenient carrying, quick assembly and convenient use.

Description

A portable negative pressure suction device for wound treatment in burn plastic surgery

technical field

The utility model relates to the technical field of medical equipment, in particular to a portable negative pressure suction device for wound surface treatment in burn plastic surgery.

Background technique

When a burn occurs in a certain part of the patient's body, a negative pressure suction device needs to be used to promptly discharge harmful substances such as purulent fluid, necrotic tissue, foreign bodies, abnormally accumulated blood and digestive juices in body cavities, organs or tissues.

The existing negative pressure suction device is bulky and inconvenient to carry. Therefore, we propose a portable negative pressure suction device for wound treatment in burn plastic surgery to solve the above problems.

Utility model content

The purpose of the utility model is to solve the disadvantage that the negative pressure suction device is large in size and inconvenient to carry, and proposes a portable negative pressure suction device for wound treatment in burn plastic surgery.

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

A portable negative pressure suction device for wound surface treatment in burn plastic surgery, comprising a cylindrical collection box with an opening at the bottom, a sealing cover is threadedly connected to the bottom of the cylindrical collection box, and a drainage pipe is fixed and communicated with the sealing cover. The liquid pipe is provided with a valve, a handle is fixedly installed on the outer side of the cylindrical collection box, and two insertion holes are opened on the top of the cylindrical collection box;

A sealing ring is fixedly installed in the two insertion holes, the inner rings of the two sealing rings are respectively inserted with a suction pipe and a connecting pipe, a fixing plate is fixedly installed on the top of the handle, and a connecting plate is installed on the outer side of the fixing plate. An air extraction mechanism is provided on the handle, and a reciprocating movement mechanism is provided on the handle.

Preferably, the air extraction mechanism includes a hollow column, the hollow column is fixedly installed on the top of the connecting plate, one end of the hollow column is fixedly connected with an air inlet pipe, an outer side of the hollow column is fixedly connected with an air outlet pipe, and one end of the connecting pipe is located in the cylindrical collection Inside the box, the other end of the connecting pipe is in fixed communication with the air intake pipe.

Preferably, a first one-way valve is arranged in the air inlet pipe, a second one-way valve is arranged in the air outlet pipe, a piston is slidably installed in the hollow column, and a U-shaped rod is slidably installed at the other end of the hollow column, and the U-shaped rod is slidably installed. One end of the U-shaped rod extends to the inside of the hollow column and is fixedly connected with the piston, and the other end of the U-shaped rod is located outside the hollow column.

Preferably, the reciprocating movement mechanism includes a reset plate, two guide rods are fixedly installed on one inner wall of the handle, the reset plate is slidably connected with the two guide rods, one end of the spring is fixedly installed on one side of the reset plate, and the other end of the spring is fixedly installed. One end is fixedly connected with the inner side of the handle, the top of the handle is provided with a vertical hole, and the top of the reset plate penetrates the vertical hole and is provided with a connection groove.

Preferably, a connecting block is clamped in the connecting groove, and the top of the connecting block is fixedly connected with the U-shaped rod.

Preferably, the bottom of the connecting plate is provided with a slot, the top of the fixing plate is clamped with the slot, one side of the fixing plate is provided with a threaded groove, one side of the connecting plate is threadedly connected with bolts, and the bolts are threaded with the threaded grooves. connect.

Compared with the prior art, the advantages of the present utility model are:

(1) In this scheme, the suction pipe is inserted into the cylindrical collection box from the sealing ring on the left, the connecting pipe is inserted into the cylindrical collection box from the sealing ring on the right, and the fixing plate is inserted into the slot, and the connecting block is inserted into the connecting groove. Inside, turn the bolt to connect the bolt with the threaded groove, so that the connecting plate and the fixing plate are connected and fixed, and the assembly is completed and the assembly is fast;

(2) By continuously pulling and placing the reset plate, the gas in the cylindrical collection box is continuously suctioned, so that a negative pressure is formed in the cylindrical collection box, and then the accumulated liquid is extracted through the suction pipe, which is convenient to use;

The utility model is small in size, convenient to carry, quick to assemble, and convenient to use.

Description of drawings

1 is a schematic structural diagram of a portable negative pressure suction device for wound treatment in burn plastic surgery proposed by the utility model;

2 is an enlarged structural schematic diagram of part A in FIG. 1 of a portable negative pressure suction device for wound treatment in burn plastic surgery proposed by the utility model;

3 is a schematic side view of the structure of the fixing plate, the connecting plate and the bolt connection of a portable negative pressure suction device for burn and plastic surgery wound surface treatment proposed by the utility model;

4 is a schematic three-dimensional structural diagram of the connection between a cylindrical collection box and a sealing cover of a portable negative pressure suction device for wound surface treatment in burn plastic surgery proposed by the utility model.

In the figure: 1. Cylindrical collection box; 2. Suction pipe; 3. Connecting pipe; 4. Sealing ring; 5. Sealing cover; 6. Handle; 7. Reset plate; 8. Spring; 9. Fixing plate; 10. Connection plate; 11, slot; 12, hollow column; 13, piston; 14, U-shaped rod; 15, connecting block; 16, connecting groove; 17, air inlet pipe; 18, first one-way valve; 19, air outlet pipe; 20. Second check valve; 21. Bolt.

Detailed ways

The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings in this embodiment. Obviously, the described embodiments are only a part of the embodiments of this embodiment, but not all of the embodiments.

Referring to Figures 1-4, a portable negative pressure suction device for wound surface treatment in burn plastic surgery includes a cylindrical collection box 1 with an opening at the bottom, and a sealing cover 5 is threadedly connected to the bottom of the cylindrical collection box 1. The sealing cover 5 is A drain pipe is fixedly connected, the drain pipe is provided with a valve, a handle 6 is fixedly installed on the outer side of the cylindrical collection box 1, and two insertion holes are opened on the top of the cylindrical collection box 1;

A sealing ring 4 is fixedly installed in the two insertion holes, the inner rings of the two sealing rings 4 are respectively inserted with a suction pipe 2 and a connecting pipe 3, a fixing plate 9 is fixedly installed on the top of the handle 6, and a fixing plate 9 is installed on the outside of the fixing plate 9. The connecting plate 10 is provided with an air extraction mechanism, and the handle 6 is provided with a reciprocating mechanism.

In this embodiment, the sealing cover 5 is threadedly connected to the cylindrical collecting box 1, and the sealing cover 5 is easy to disassemble, thereby facilitating the cleaning and disinfection of the interior of the cylindrical collecting box 1. Open the valve, and the accumulated liquid can be drained first through the drain pipe. , and then remove the sealing cover 5, the sealing ring 4 plays a sealing role.

In this embodiment, the air extraction mechanism includes a hollow column 12, the hollow column 12 is fixedly installed on the top of the connecting plate 10, one end of the hollow column 12 is fixedly communicated with an air intake pipe 17, and an outer side of the hollow column 12 is fixedly communicated with an air outlet pipe 19, which is connected to One end of the pipe 3 is located in the cylindrical collection box 1 , and the other end of the connecting pipe 3 is in fixed communication with the intake pipe 17 , and gas is extracted through the connecting pipe 3 .

In this embodiment, the air inlet pipe 17 is provided with a first one-way valve 18, the air outlet pipe 19 is provided with a second one-way valve 20, the piston 13 is slidably installed in the hollow column 12, and the other end of the hollow column 12 is slidably installed with a U-shaped rod 14, one end of the U-shaped rod 14 extends to the inside of the hollow column 12 and is fixedly connected with the piston 13, the other end of the U-shaped rod 14 is located outside the hollow column 12, the first one-way valve 18 and the second one-way The valve 20 allows one-way flow of gas.

In this embodiment, the reciprocating movement mechanism includes a reset plate 7, two guide rods are fixedly installed on one inner wall of the handle 6, the reset plate 7 is slidably connected with the two guide rods, and one side of the reset plate 7 is fixedly installed with a spring 8. At one end, the other end of the spring 8 is fixedly connected to the inner side of the handle 6 , the top of the handle 6 is provided with a vertical hole, the top of the reset plate 7 penetrates the vertical hole and is provided with a connecting groove 16 , and the reset plate 7 is reset by the spring 8 .

In this embodiment, a connecting block 15 is clamped in the connecting groove 16 , the top of the connecting block 15 is fixedly connected with the U-shaped rod 14 , and the U-shaped rod 14 can be driven to move by the movement of the connecting block 15 .

In this embodiment, the bottom of the connecting plate 10 is provided with a slot 11, the top of the fixing plate 9 is clamped with the slot 11, one side of the fixing plate 9 is provided with a threaded groove, and one side of the connecting plate 10 is threadedly connected with bolts 21. The bolt 21 is threadedly connected with the threaded groove, and the fixing plate 9 and the connecting plate 10 are connected and fixed through the threaded connection of the bolt 21 with the threaded groove.

Working principle, when in use, insert the straw 2 into the cylindrical collection box 1 from the sealing ring 4 on the left, insert the connecting pipe 3 into the cylindrical collection box 1 from the sealing ring 4 on the right, and insert the fixing plate 9 into the slot at the same time 11, insert the connecting block 15 into the connecting groove 16, turn the bolt 21, make the bolt 21 screw with the threaded groove, connect and fix the connecting plate 10 and the fixing plate 9, and complete the assembly. One end outside the box 1 is aligned with the wound surface, hold the handle 6 with your hand, pull the reset plate 7 to move to the right with your fingers, the reset plate 7 squeezes the spring 8 and drives the connecting block 15 to move to the right, and the connecting block 15 drives the U-shaped rod 14 to the right Move, the U-shaped rod 14 drives the piston 13 to move to the right. Since the flow direction of the first one-way valve 18 is from left to right, and the flow direction of the second one-way valve 20 is from top to bottom, when the piston 13 moves to the right, The gas in the cylindrical collection box 1 is sucked through the connecting pipe 3, the intake air enters the cylindrical collection box 1 through the air inlet pipe 17, and then the reset plate 7 is released, and the spring 8 resets the reset plate 7 to the left, thereby making the reset plate 7 reset to the left. The piston 13 is reset to the left, so that the gas is discharged from the gas outlet pipe 19. By continuously pulling and releasing the reset plate 7, the gas in the cylindrical collection box 1 is continuously sucked, so that a negative pressure is formed in the cylindrical collection box 1, and then through the The pipette 2 extracts the effusion.

The above descriptions are only preferred specific implementations of this embodiment, but the protection scope of this embodiment is not limited to this. The equivalent replacement or modification of the technical solution and the utility model concept of the embodiment should be included within the protection scope of the present embodiment.

Claims (6)

1. A portable negative pressure suction device for wound surface treatment of burn plastic surgery, comprising a cylindrical collection box (1) with an opening at the bottom, characterized in that the bottom of the cylindrical collection box (1) is threadedly connected with a sealing cover (5), a drain pipe is fixedly connected to the sealing cover (5), a valve is provided on the drain pipe, a handle (6) is fixedly installed on the outer side of the cylindrical collection box (1), and the cylindrical collection box is (1) There are two insertion holes on the top; A sealing ring (4) is fixedly installed in the two insertion holes, the inner rings of the two sealing rings (4) are respectively inserted with a suction pipe (2) and a connecting pipe (3), and the top of the handle (6) is fixedly installed There is a fixing plate (9), a connecting plate (10) is installed on the outer side of the fixing plate (9), an air extraction mechanism is arranged on the connecting plate (10), and a reciprocating mechanism is arranged on the handle (6). 2 . The portable negative pressure suction device for wound treatment in burn plastic surgery according to claim 1 , wherein the air suction mechanism comprises a hollow column (12), and the hollow column (12) is fixedly mounted on the connecting plate. 3 . At the top of (10), one end of the hollow column (12) is fixedly connected with an air intake pipe (17), the outer side of the hollow column (12) is fixedly connected with an air outlet pipe (19), and one end of the connecting pipe (3) is located in the cylindrical collection box In (1), the other end of the connecting pipe (3) is in fixed communication with the air intake pipe (17). 3. The portable negative pressure suction device for wound surface treatment in burn plastic surgery according to claim 2, wherein the air inlet pipe (17) is provided with a first one-way valve (18), and the air outlet pipe (17) is provided with a first one-way valve (18). 19) A second one-way valve (20) is provided inside, a piston (13) is slidably installed in the hollow column (12), and a U-shaped rod (14) is slidably installed at the other end of the hollow column (12), and the U-shaped rod ( One end of 14) extends to the inside of the hollow column (12) and is fixedly connected with the piston (13), and the other end of the U-shaped rod (14) is located outside the hollow column (12). 4. The portable negative pressure suction device for wound treatment in burn plastic surgery according to claim 1, wherein the reciprocating mechanism comprises a reset plate (7), and one side inner wall of the handle (6) is fixedly installed There are two guide rods, the reset plate (7) is slidably connected with the two guide rods, one end of the spring (8) is fixedly installed on one side of the reset plate (7), and the other end of the spring (8) is connected with the handle (6). The inner side is fixedly connected, the top of the handle (6) is provided with a vertical hole, and the top of the reset plate (7) penetrates the vertical hole and is provided with a connecting groove (16). 5 . The portable negative pressure suction device for wound treatment in burn plastic surgery according to claim 4 , wherein a connecting block ( 15 ) is clamped in the connecting groove ( 16 ), and the connecting block ( 15 ) Its top is fixedly connected with the U-shaped rod (14). 6. The portable negative pressure suction device for wound treatment of burn plastic surgery according to claim 1, wherein a slot (11) is provided at the bottom of the connecting plate (10), and the fixing plate (9) The top of the connecting plate (10) is clamped with the slot (11), one side of the fixing plate (9) is provided with a threaded groove, one side of the connecting plate (10) is threadedly connected with a bolt (21), and the bolt (21) is threadedly connected with the threaded groove .

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