Negative pressure treatment patch

Abstract

The utility model discloses a negative pressure treatment plaster, which relates to the technical field of medical instruments and comprises a transparent film, a sucker and a sponge which are sequentially arranged from top to bottom, the transparent film is used for wrapping the sucker and the sponge, and an air pipe joint penetrating to the upper end of the transparent film is arranged on the sucker. The fixed sleeve and the sliding sleeve are both sleeved outside the air pipe joint, the sliding sleeve and the fixed sleeve are coaxial, the sliding sleeve can slide in the fixed sleeve, and the air pipe joint retracts into the sliding sleeve or extends out of the sliding sleeve along with the front-back sliding of the sliding sleeve in the fixed sleeve. By means of the scheme, when a patient needs to stop negative pressure treatment and goes out, the air pipe connector is protected by the sliding sleeve, and therefore the air pipe connector is not prone to being exposed and polluted by the outside.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices, and specifically relates to a negative pressure therapeutic patch. Background Art

[0002] The main principle of negative pressure therapy is to reduce the pressure around the wound, increase the blood flow in the blood vessels of the wound, thereby stimulating the growth of granulation tissue and promoting wound healing. During the treatment, the negative pressure can fully drain the exudate and reduce the edema of the affected area. The existing negative pressure therapy patch mainly includes a porous sponge that absorbs the exudate, a suction cup connected to the negative pressure tube, and a transparent film. During the treatment, the sponge is first placed at the wound position, the suction cup is placed on the sponge, and the transparent film is covered and pasted on the sponge and the suction cup, and an opening is made on the transparent film to pass through the tracheal joint on the suction cup. After the negative pressure tube is connected to the tracheal joint, a continuous negative pressure can be generated on the wound site to treat the wound. At present, some patients need to undergo negative pressure therapy for a long time. If they need to go to the toilet during the treatment, or encounter other emergencies and need to suspend the treatment, only the negative pressure tube is removed, and the sponge, suction cup and transparent film are not removed. After the patient comes back, the negative pressure tube is connected to continue the treatment. During the patient's outing, the tracheal joint is always exposed to the outside and is easily contaminated by the outside world. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a negative pressure treatment patch, so that when a patient stops the negative pressure treatment and goes out, the tracheal joint is not easily exposed and contaminated.

[0004] In order to solve the above problems, the utility model adopts the following technical solutions:

[0005] A negative pressure therapy patch comprises a transparent film, a suction cup and a sponge which are arranged in sequence from top to bottom. The transparent film is used to wrap around the suction cup and the sponge. The suction cup is provided with a trachea joint which penetrates to the upper end of the transparent film. The patch also comprises: a fixed sleeve and a sliding sleeve. Both the fixed sleeve and the sliding sleeve are sleeved outside the trachea joint. The sliding sleeve is coaxial with the fixed sleeve, and the sliding sleeve can slide in the fixed sleeve. As the sliding sleeve slides back and forth in the fixed sleeve, the trachea joint retracts into the sliding sleeve or extends out of the sliding sleeve.

[0006] Furthermore, the sliding sleeve is provided with several fan-shaped shielding pieces at one end extending out of the fixed sleeve, the arc edge of the shielding piece is fixedly connected to the edge of the sliding sleeve port, and the centers of the several shielding pieces coincide to form a circular shape shielding the upper end of the sliding sleeve.

[0007] Furthermore, the inner wall of the fixed sleeve is provided with several linear slide grooves along the axial direction, and the outer wall of the sliding sleeve at one end close to the suction cup is provided with several sliding blocks, and the sliding blocks are slidably arranged in the slide grooves.

[0008] Furthermore, an annular limiting groove is provided on the inner wall of the fixing sleeve at one end close to the suction cup, and the limiting groove is connected to the sliding groove so that the sliding block can slide in the limiting groove.

[0009] Furthermore, a return spring is arranged in the sliding sleeve, the return spring is sleeved on the outside of the trachea joint, and its two ends are respectively connected to the sliding sleeve and the trachea joint.

[0010] Furthermore, the transparent membrane is made of biological semi-permeable membrane material.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] By arranging a fixed sleeve and a sliding sleeve outside the tracheal joint, the sliding sleeve moves along the axial direction of the fixed sleeve, so that the tracheal joint is retracted into the sliding sleeve or extended out of the sliding sleeve. When the patient pauses the negative pressure treatment and goes out, the tracheal joint is retracted into the sliding sleeve, which helps to reduce external contamination of the tracheal joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0014] Figure 2 It is a cross-sectional view of an embodiment of the utility model.

[0015] Figure 3 yes Figure 2 Magnified view of area A.

[0016] Figure 4 yes Figure 1 Schematic diagram of the structure of the middle sliding sleeve.

[0017] Figure 5 yes Figure 1 Cross-sectional view of the fixing sleeve.

[0018] Figure 6 It is a physical schematic diagram of a negative pressure therapy patch in the prior art.

[0019] Numbers in the figure: 1, transparent film; 2, sponge; 3, suction cup; 4, trachea joint; 5, fixing sleeve; 6, sliding sleeve; 7, shielding piece; 8, sliding block; 9, sliding groove; 10, limiting groove; 11, reset spring. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] like Figure 1 and Figure 2As shown, the negative pressure therapy patch of this embodiment includes a transparent film 1, a suction cup 3 and a sponge 2, which are arranged in sequence from top to bottom. The transparent film 1 is used to wrap around the suction cup 3 and the sponge 2. The transparent film 1 is made of a biological semi-permeable membrane material, has selective permeability, plays a waterproof role, and is conducive to the air permeability of the surrounding skin. A trachea connector 4 is provided on the suction cup 3 and passes through the upper end of the transparent film 1. One end of the trachea connector 4 is connected to the lower end of the suction cup 3. The trachea connector 4 is in a curved L-shape so that the negative pressure tube can extend along the patient's skin surface. The method of using it is basically the same as that of the existing negative pressure therapy patch.

[0022] like Figure 3 to Figure 5 As shown, in order to prevent the outside world from contaminating the tracheal connector 4 when the patient suspends the negative pressure treatment, the negative pressure treatment patch of this embodiment also includes a fixed sleeve 5 and a sliding sleeve 6, both of which are sleeved outside the tracheal connector 4, the sliding sleeve 6 is coaxial with the fixed sleeve 5, and the sliding sleeve 6 can slide in the fixed sleeve 5, as the sliding sleeve 6 slides back and forth in the fixed sleeve 5, the tracheal connector 4 is retracted into the sliding sleeve 6 or extends out of the sliding sleeve 6. Among them, a step is provided on the outer wall of the tracheal connector 4, and one end of the fixed sleeve 5 is glued to the step of the tracheal connector 4, so that the fixed sleeve 5 is stably connected to the tracheal connector 4.

[0023] In order to reduce the pollutants from entering the sliding sleeve 6 and contaminating the trachea joint 4, the sliding sleeve 6 is provided with several fan-shaped shielding pieces 7 at one end extending out of the fixed sleeve 5, the arc edge of the shielding piece 7 is fixedly connected to the edge of the port of the sliding sleeve 6, the centers of the circles of the several shielding pieces 7 coincide, so as to form a circular shape shielding the upper end of the sliding sleeve 6, the shielding piece 7 is made of rubber material, and is connected to the sliding sleeve 6 by gluing or welding, when the sliding sleeve 6 moves into the fixed sleeve 5, the trachea joint 4 can extend between the shielding pieces 7, the shielding piece 7 is elastically deformed, when the sliding sleeve 6 moves out of the fixed sleeve 5, the trachea joint 4 is retracted into the sliding sleeve 6, and the shielding piece 7 restores its shape, so as to shield the port of the sliding sleeve 6.

[0024] In addition, the inner wall of the fixed sleeve 5 is provided with several linear slide grooves 9 along the axial direction, and the sliding sleeve 6 has several sliders 8 on the outer wall of the end close to the suction cup 3, and the sliders 8 are slidably arranged in the slide grooves 9 so that the sliding sleeve 6 can move axially along the fixed sleeve 5. The inner wall of the fixed sleeve 5 is also provided with an annular limiting groove 10 at the end close to the suction cup 3, and the limiting groove 10 is connected to the slide groove 9, and the opposite end of the slide groove 9 connected to the limiting groove 10 is closed, so as to prevent the sliding sleeve 6 from completely separating from the fixed sleeve 5. When the slider 8 slides to the limiting groove 10, the sliding sleeve 6 can rotate around its axial direction. A reset spring 11 is arranged inside the sliding sleeve 6, and the reset spring 11 is sleeved on the outside of the trachea joint 4, and its two ends are respectively connected to the sliding sleeve 6 and the trachea joint 4. Specifically, both the sliding sleeve 6 and the trachea joint 4 are provided with steps for abutting against the end of the reset spring 11.

[0025] When the patient needs to suspend negative pressure therapy, the negative pressure tube is removed from the tracheal connector 4, and then the sliding sleeve 6 is rotated so that the slider 8 and the slide groove 9 are opposite to each other. Under the action of the reset spring 11, the slider 8 can slide in the slide groove 9, so that the sliding sleeve 6 extends out of the fixed sleeve 5 to cover the tracheal connector 4 and reduce external contamination of the tracheal connector 4. When the negative pressure tube needs to be reconnected for therapy, the sliding sleeve 6 can be compressed into the fixed sleeve 5, and then the sliding sleeve 6 is rotated so that the slider 8 rotates on the limiting groove 10 and deviates from the slide groove 9, thereby keeping the tracheal connector 4 exposed to the outside, making it convenient to connect the negative pressure tube.

[0026] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A negative pressure therapy patch, comprising a transparent film (1), a suction cup (3) and a sponge (2) arranged in sequence from top to bottom, wherein the transparent film (1) is used to wrap around the suction cup (3) and the sponge (2), and the suction cup (3) is provided with a trachea connector (4) penetrating to the upper end of the transparent film (1), characterized in that: Also includes: A fixed sleeve (5) and a sliding sleeve (6), wherein the fixed sleeve (5) and the sliding sleeve (6) are both sleeved outside the trachea joint (4), the sliding sleeve (6) is coaxial with the fixed sleeve (5), and the sliding sleeve (6) can slide in the fixed sleeve (5), and as the sliding sleeve (6) slides back and forth in the fixed sleeve (5), the trachea joint (4) is retracted into the sliding sleeve (6) or extends out of the sliding sleeve (6).

2. The negative pressure therapeutic patch according to claim 1, characterized in that: The sliding sleeve (6) is provided with a plurality of fan-shaped shielding sheets (7) at one end extending out of the fixed sleeve (5); the arc edge of the shielding sheet (7) is fixedly connected to the edge of the port of the sliding sleeve (6); the centers of the plurality of shielding sheets (7) coincide with each other, so as to form a circular shape shielding the upper end of the sliding sleeve (6).

3. The negative pressure therapeutic patch according to claim 1, characterized in that: The inner wall of the fixed sleeve (5) is provided with a plurality of linear slide grooves (9) along the axial direction, and the outer wall of the sliding sleeve (6) at one end close to the suction cup (3) is provided with a plurality of sliding blocks (8), and the sliding blocks (8) are slidably arranged in the slide grooves (9).

4. The negative pressure therapeutic patch according to claim 3, characterized in that: An annular limiting groove (10) is provided on the inner wall of the fixing sleeve (5) at one end close to the suction cup (3), and the limiting groove (10) is connected to the sliding groove (9) so that the sliding block (8) can slide in the limiting groove (10).

5. The negative pressure therapeutic patch according to claim 4, characterized in that: A return spring (11) is arranged inside the sliding sleeve (6), and the return spring (11) is sleeved on the outside of the trachea joint (4), and its two ends are respectively connected to the sliding sleeve (6) and the trachea joint (4).

6. The negative pressure therapeutic patch according to claim 1, characterized in that: The transparent membrane (1) is made of biological semi-permeable membrane material.

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