CN212593262U

CN212593262U - Closed drainage device

Info

Publication number: CN212593262U
Application number: CN202021046687.XU
Authority: CN
Inventors: 赵林栋; 王财生
Original assignee: Fujian Junge Technology Co ltd
Current assignee: Fujian Junge Technology Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-26
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to a closed drainage device, which comprises a gland, a plug, a cushion and an elastic sealing cushion layer; the top of the gland is provided with a through hole, and the plug is detachably arranged on the through hole; the elastic sealing cushion layer is arranged at the bottom of the gland, a sealing cavity for positioning the position of a wound is formed in the middle of the elastic sealing cushion layer, and the soft cushion is used for adsorbing dirt of the wound surface and is arranged in the sealing cavity; the drain pipe and the flushing pipe penetrate through the plug along the length direction, one end of the drain pipe is communicated with the negative pressure source, the other end of the drain pipe is arranged below the gland, one end of the flushing pipe is communicated with the flushing fluid input source, and the other end of the flushing pipe is arranged below the gland.

Description

Closed drainage device

Technical Field

The utility model relates to a closed drainage device belongs to medical equipment technical field.

Background

The negative pressure sealing drainage technology (VSD) is a brand new treatment method that a medical sponge dressing with a drainage tube is used for covering or filling the wound surface with skin and soft tissue defects, the wound surface is sealed by a semipermeable bio-membrane to form a sealed space, and finally the drainage tube is connected with a negative pressure source to promote the wound surface to heal through controllable negative pressure.

The method is characterized in that: the controllable negative pressure promotes the increase of blood flow and the synthesis of protein, promotes the growth of granulation and accelerates the healing of wound surfaces; meanwhile, power is provided for omnibearing active drainage. The sealing of the biological semipermeable membrane isolates the infection chance of the wound surface contacting with the external environment. The omnibearing drainage changes the traditional point or local drainage into the surface drainage, and ensures that necrotic tissues and exudates at each position of the wound surface can be sucked out at any time.

Each part of the existing negative pressure closed drainage technology is a discrete part, the operation of one-time closed drainage is very complicated, a drainage tube and a flushing tube need to be inserted into a semipermeable membrane for sealing, the operation is difficult, the sealing effect is not good frequently, and the drainage effect is not good; and it is troublesome to reassemble all the components once again to replace the components.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a closed drainage device, which adopts an integrated structure and solves the problem of difficult installation.

The technical scheme of the utility model as follows:

a closed drainage device comprises a gland, a plug, a cushion and an elastic sealing cushion layer; the top of the gland is provided with a through hole, and the plug is detachably arranged on the through hole; the elastic sealing cushion layer is arranged at the bottom of the gland, a sealing cavity for positioning the position of a wound is formed in the middle of the elastic sealing cushion layer, and the soft cushion is used for adsorbing dirt of the wound surface and is arranged in the sealing cavity; the drain pipe and the flushing pipe penetrate through the plug along the length direction, one end of the drain pipe is communicated with the negative pressure source, the other end of the drain pipe is arranged below the gland, one end of the flushing pipe is communicated with the flushing fluid input source, and the other end of the flushing pipe is arranged below the gland.

Furthermore, a sealing ring is arranged on the outer side wall of the plug.

Furthermore, the device also comprises a connecting lock piece; the sealing ring is arranged on the outer side wall of the lower end of the plug, an external thread is arranged on the outer side wall of the upper end part of the plug, a through hole with an internal thread is formed in the middle of the connecting locking piece, and the connecting locking piece is in threaded connection with the plug; the outer edge of the bottom of the connecting locking piece is fixedly provided with a baffle.

Furthermore, the flushing device also comprises a U-shaped connecting conduit, one end of the U-shaped connecting conduit is communicated with one end of the flushing conduit below the gland, and the other end of the U-shaped connecting conduit is arranged below the cushion.

Furthermore, the outer edge of the bottom of the gland is circular, the elastic sealing cushion layer is circular, and the outer diameter of the elastic sealing cushion layer is not smaller than the diameter of the outer edge of the bottom of the gland.

Furthermore, a first retraction structure is arranged on the outer edge of the bottom of the gland and is used for retracting the diameter of the outer edge of the bottom of the gland; the outer edge of elasticity seal bed course is provided with second indentation structure for the indentation the external diameter of elasticity seal bed course, the interior edge of elasticity seal bed course is provided with third indentation structure for enlarge the internal diameter of elasticity seal bed course.

Further, the soft cushion is a spongy cushion.

The utility model discloses following beneficial effect has:

1. the utility model relates to a closed drainage device sets up the end cap on the gland, and the end cap and drainage catheter with wash the pipe and integrate into an organic whole, when carrying out the negative pressure and seal drainage operation, left out and inserted the drainage tube, inserted the flushing pipe, sealed the step such as the junction of drainage tube and flushing pipe, easy operation has reduced medical personnel's the work degree of difficulty.

2. The utility model relates to a closed drainage device is provided with the elastic sealing cushion layer, can effectual and human skin laminating, and the leakproofness is fabulous, prevents to produce gas leakage phenomenon.

3. The utility model relates to a closed drainage device, elastic seal bed course middle part set up sealed chamber, and under the fender that encloses of sealed chamber, the flush fluid can not flow the wound scope, can effectively clear up the wound.

4. The utility model relates to a closed drainage device, parts such as end cap, cushion can replace, wholly can used repeatedly, and the equipment is easy, greatly reduced medical personnel's the work degree of difficulty.

Drawings

Fig. 1 is a schematic external structural view of a first embodiment of the present invention;

fig. 2 is a schematic diagram of an explosion structure according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a plug according to a first embodiment of the present invention;

fig. 4 is a top view of a first embodiment of the present invention;

FIG. 5 is a cross-sectional view at AA in FIG. 4;

fig. 6 is a top view of a second embodiment of the present invention;

fig. 7 is a schematic structural view of an elastic seal cushion layer according to a second embodiment of the present invention;

fig. 8 is a schematic external structural diagram of a third embodiment of the present invention.

The reference numbers in the figures are:

1. a gland; 11. a first retracting structure; 2. a plug; 21. a drainage catheter; 22. flushing the catheter; 23. a seal ring; 24. a U-shaped connecting conduit; 3. a soft cushion; 4. an elastic sealing cushion layer; 41. sealing the cavity; 42. a second retraction structure; 43. a third retraction structure; 5. connecting a locking piece; 51. and a baffle plate.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example one

Referring to fig. 1 to 5, a closed drainage device includes a gland 1, a plug 2, a cushion 3 and an elastic cushion 4, in this embodiment, the elastic cushion 4 may be made of gel; the bottom surface of the gland 1 can be in any shape, a through hole is formed in the top of the gland 1, the plug 2 can be detachably arranged on the through hole, and the plug 2 can be a plastic plug or a rubber plug and is inserted into the through hole of the gland 1 and can be pulled out; the elastic sealing cushion layer 4 is arranged at the bottom of the gland 1, the two sides of the elastic sealing cushion layer 4 are both provided with viscosity, the bottom of the gland 1 is provided with viscosity, the bottom surface of the elastic sealing cushion layer 4 is adhered to the skin, and the top surface of the elastic sealing cushion layer 4 is adhered to the gland 1 and can be torn or adhered at any time, so that the parts can be conveniently replaced; the middle part of the elastic sealing cushion layer 4 is provided with a sealing cavity 41 for positioning the position of a wound, and the soft cushion 3 is arranged in the sealing cavity 41 and used for adsorbing dirt on the wound surface of the wound; the drain pipe 21 and the flushing pipe 22 penetrate through the plug 2 along the length direction, one end of the drain pipe 21 is communicated with the negative pressure source, the other end of the drain pipe is arranged below the gland 1, one end of the flushing pipe 22 is communicated with a flushing fluid input source, and the other end of the flushing pipe is arranged below the gland 1.

Furthermore, a sealing ring 23 is arranged on the outer side wall of the plug 2, and when the plug 2 is inserted into the through hole of the gland 1, the sealing ring 23 is tightly attached to the gland 1 to prevent air leakage.

Further, a connecting locking piece 5 is also included; the sealing ring 23 is arranged on the outer side wall of the lower end of the plug 2, an external thread is arranged on the outer side wall of the upper end part of the plug 2, a through hole with an internal thread is formed in the middle of the connecting locking piece 5, and the connecting locking piece 5 is in threaded connection with the plug 2; the outer edge of the bottom of the connecting locking piece 5 is fixedly provided with a baffle 51; when the plug 2 is used, the plug 2 is inserted into the through hole of the gland 1 from bottom to top, the connecting locking piece 5 is screwed from the upper part of the plug 2 through threads, and the plug 2 is fixed in the through hole of the gland 1 under the action of the baffle 51 and the sealing ring 23; when the plug 2 is to be disassembled, the connecting locking piece 5 is unscrewed, and the plug 2 is pulled out.

Furthermore, the device also comprises a U-shaped connecting conduit 24, one end of the U-shaped connecting conduit 24 is communicated with one end of the flushing conduit 22 positioned below the gland 1, and the other end of the U-shaped connecting conduit 24 bypasses the cushion 3 and is arranged below the cushion 3.

Further, the soft pad 3 is a spongy cushion.

The working principle of the embodiment is as follows:

when in use, the sealing cavity 41 is aligned with the wound of a patient, the device is tightly attached to the wound of the patient and is fixed by a bandage or an adhesive tape, and due to the ductility of the elastic sealing cushion layer 4 and the action of the sealing ring 23, the device has excellent sealing performance and can not generate air leakage; the drainage catheter 21 is communicated with a negative pressure source, the flushing catheter 22 is communicated with a flushing fluid input source, the flushing fluid input source and the negative pressure source are started, the flushing fluid flows into the sealed cavity 41 through the flushing catheter 22 and the U-shaped connecting catheter 24 to clean the wound, the flushing fluid cannot flow out of the wound range under the enclosure of the sealed cavity 41, and the wound can be effectively cleaned; the cleaned liquid passes through the soft pad 3 under the action of negative pressure and flows out of the drainage catheter 21.

After the device is used for a period of time, the cushion 3 with polluted inner part can be detached and replaced, and then the device is used after replacement; if the drainage catheter 21, the irrigation catheter 22 and the "U" -shaped connecting catheter 24 are also contaminated after a period of use, the plug 2 and the "U" -shaped connecting catheter 24 can be replaced correspondingly.

Example two

Referring to fig. 6 and 7, further, in this embodiment, the bottom of the gland 1 is circular, the elastic gasket 4 is circular, and the outer diameter of the elastic gasket 4 is not smaller than the diameter of the bottom of the gland 1.

Further, a first retraction structure 11 is arranged on the bottom outer edge of the gland 1 and is used for retracting the diameter of the bottom outer edge of the gland 1; the outer edge of the elastic sealing cushion layer 4 is provided with a second retraction structure 42 for retracting the outer diameter of the elastic sealing cushion layer 4, and the inner edge of the elastic sealing cushion layer 4 is provided with a third retraction structure 43 for enlarging the inner diameter of the elastic sealing cushion layer 4. In this embodiment, the first retracting structure 11, the second retracting structure 42, and the third retracting structure 43 are formed by surrounding the strip-shaped gel or the silica gel for one circle, each circle of gel strips or silica gel strips are fixedly connected together through the glue, the gel strips or silica gel strips can be torn off under the condition of external force, and each circle of gel strips or silica gel strips is in a sealing state under a stable state.

The working principle of the embodiment is as follows:

when the pressure-reducing gland is used, the outer diameter of the pressure cover 1, the outer diameter of the elastic sealing cushion layer 4 and the caliber of the sealing cavity 41 are adjusted according to the size of a wound part, a part of gel strips or silica gel strips of the first retraction structure 11 are torn off, the outer diameter of the pressure cover 1 can be reduced, and gel strips or silica gel strips with certain length are torn off according to the size of the wound part; tearing off a part of gel strips or silica gel strips of the second retraction structure 42, reducing the outer diameter of the elastic sealing cushion layer 4, and tearing off the gel strips or the silica gel strips with a certain length according to the adjusted size of the gland 1; the aperture of the sealed cavity 41 can be enlarged by tearing off part of the gel strip or the silica gel strip of the third indented structure 43, and the gel strip or the silica gel strip with a certain length can be torn off according to the size of the wound part.

EXAMPLE III

Referring to fig. 8, in this embodiment, the whole gland 1 is configured as a truncated cone shape, and has a certain space inside, so as to be suitable for a wound part with a certain protrusion, such as elbow, achilles tendon, etc., and the truncated cone shape is configured to better fit with the wound part.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A closed drainage device is characterized in that: comprises a gland (1), a plug (2), a soft cushion (3) and an elastic sealing cushion layer (4); the top of the gland (1) is provided with a through hole, and the plug (2) is detachably arranged on the through hole; the elastic sealing cushion layer (4) is arranged at the bottom of the gland (1), a sealing cavity (41) for positioning a wound position is formed in the middle of the elastic sealing cushion layer, and the soft cushion (3) is used for adsorbing dirt of a wound surface and is arranged in the sealing cavity (41); drainage catheter (21) and washing pipe (22) are worn to be equipped with along length direction in end cap (2), drainage catheter (21) one end and negative pressure source intercommunication, the other end sets up in gland (1) below, wash pipe (22) one end and washing liquid input source intercommunication, the other end sets up in gland (1) below.

2. The closed drainage device according to claim 1, wherein: and a sealing ring (23) is arranged on the outer side wall of the plug (2).

3. The closed drainage device according to claim 2, wherein: also comprises a connecting lock piece (5); the sealing ring (23) is arranged on the outer side wall of the lower end of the plug (2), an external thread is arranged on the outer side wall of the upper end part of the plug (2), a through hole with an internal thread is formed in the middle of the connecting locking piece (5), and the connecting locking piece (5) is in threaded connection with the plug (2); the outer edge of the bottom of the connecting locking piece (5) is fixedly provided with a baffle (51).

4. The closed drainage device according to claim 1, wherein: the cushion is characterized by further comprising a U-shaped connecting conduit (24), one end of the U-shaped connecting conduit (24) is communicated with one end, located below the gland (1), of the flushing conduit (22), and the other end of the U-shaped connecting conduit is arranged below the cushion (3).

5. The closed drainage device according to claim 1, wherein: the bottom of the gland (1) is circular, the elastic sealing cushion layer (4) is circular, and the outer diameter of the elastic sealing cushion layer (4) is not smaller than the diameter of the bottom of the gland (1).

6. The closed drainage device according to claim 5, wherein: the outer edge of the bottom of the gland (1) is provided with a first retraction structure (11) for retracting the diameter of the outer edge of the bottom of the gland (1); the outer edge of elasticity seal cushion layer (4) is provided with second indentation structure (42), is used for the indentation the external diameter of elasticity seal cushion layer (4), the interior edge of elasticity seal cushion layer (4) is provided with third indentation structure (43), is used for expanding the internal diameter of elasticity seal cushion layer (4).

7. The closed drainage device according to claim 1, wherein: the soft cushion (3) is a spongy cushion.