CN210355476U - Miniature negative pressure drainage device - Google Patents

Abstract

The utility model discloses a micro negative pressure drainage device, which comprises a drainage tube, a one-way valve and a drainage bag which are connected in sequence; one end of the drainage tube is used for contacting with a wound, the other end of the drainage tube is communicated with the inlet of the one-way valve, and the outlet of the one-way valve is communicated with the inlet of the drainage bag; the drainage bag can be gradually restored to the original state when the extrusion external force disappears, so that negative pressure is generated in the restoration process of the drainage bag. The utility model discloses mainly to the wound that needs the drainage after the plastic cosmetic surgery, like meticulous positions such as face, nasal part, ear, intraoral and armpit, have the light and handy meticulous characteristics of device, more accord with the requirement of this type of little incision operation, lightly easily carry and safe pleasing to the eye.

Description

Miniature negative pressure drainage device

Technical Field

The utility model relates to the technical field of medical treatment, concretely relates to miniature negative pressure drainage device.

Background

The negative pressure drainage device is used for draining hematocele and dropsy from various postoperative wounds. The negative pressure drainage device that present hospital used mainly has three types, is respectively: the negative pressure drainage ball is characterized by hard material and larger volume, and is mainly used after body operations, such as general surgery; the mini negative pressure drainage device is spherical, is difficult to fix, has larger volume and is also used for the body after operation; the negative pressure drainage of the needle cylinder is mostly made by a user temporarily, so that the safety is poor, the needle cylinder is not easy to fix, the negative pressure state is unstable, and the comfort level is poor.

The existing negative pressure drainage device is thick, clumsy or poor in safety, inconvenient to carry and not suitable for minimally invasive incision drainage of various fine cosmetic plastic surgeries. Therefore, a novel drainage device which is small in size, convenient to use in a precise operation, safe, stable and easy to fix needs to be developed.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a miniature negative pressure drainage device to solve the great and poor problem of safety and stability of current device volume.

A miniature negative pressure drainage device comprises a drainage tube, a one-way valve and a drainage bag which are connected in sequence;

one end of the drainage tube is used for contacting with a wound, the other end of the drainage tube is communicated with the inlet of the one-way valve, and the outlet of the one-way valve is communicated with the inlet of the drainage bag;

the drainage bag can be gradually restored to the original state when the extrusion external force disappears, so that negative pressure is generated in the restoration process of the drainage bag.

The utility model discloses further improvement lies in:

the one-way valve is connected with the drainage bag in a sealing way through the connecting port.

The connection port and the drainage bag are connected in a plug-in type, a threaded connection or a buckle type.

The connecting port and the one-way valve are fixed into a whole.

Adhesive tapes for fixing the drainage bag are further arranged on two sides of the drainage bag.

The drainage bag is made of elastic materials, and when the external force disappears during extrusion, the drainage bag can be restored to the initial state through the elastic deformation of the drainage bag.

The drainage bag is provided with volume scales.

The beneficial effects of the utility model are embodied in:

the utility model discloses a miniature negative pressure drainage device, through drainage tube, check valve and the drainage bag that connects gradually, before the drainage, need get rid of the air in the drainage bag earlier, the drainage bag can resume original state gradually after extrusion external force disappears for produce the negative pressure in the drainage bag, under the effect of negative pressure, the hematocele or hydrops etc. of wound loop through in drainage tube and the check valve suction drainage bag, thereby accomplish drainage work. The device mainly needs the wound of drainage after to plastic cosmetic surgery, like meticulous positions such as face, nose, ear, intraoral and armpit, has the light and handy meticulous characteristics of device, more accords with the requirement of this type of little incision operation, and the material is light easily carried in addition, and the outward appearance is elegant appearance also more, through setting up the check valve, can prevent that hematocele or hydrops etc. in the drainage bag from taking place against the current, and then avoid taking place the risk of infecting.

Connect between interface and the drainage bag for plug-in connection, threaded connection or buckle formula are connected, make things convenient for drainage bag installation and dismantlement, before the drainage, with the air evacuation in the drainage bag, again with the drainage bag connect on linking up the interface can, need change drainage bag or drainage accomplish the back, with the drainage bag pull down can, it is very convenient to operate.

The two sides of the drainage bag are provided with adhesive tapes, and the drainage bag can be fixed on a human body through the adhesive tapes, so that the drainage bag is fixed and is convenient to operate.

The drainage bag is provided with volume scales, so that the hematocele or the volume of the fluid in the drainage bag can be determined in real time, and the analysis and the judgment of a patient or a doctor are facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic view of the overall structure of the present invention.

In the attached drawings, 1-drainage tube; 2-a one-way valve; 3-a mouthpiece; 4-a drainage bag; and 5, rubberized fabric.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

The present invention will be described in further detail with reference to the accompanying drawings:

referring to fig. 1, the embodiment of the utility model provides a miniature negative pressure drainage device, including drainage tube 1, check valve 2 and the drainage bag 4 that connects gradually, the one end of drainage tube 1 is used for contacting with the wound, but disect insertion patient wound. The other end of the drainage tube 1 is communicated with the inlet of the one-way valve 2, the outlet of the one-way valve 2 is communicated with the inlet of the drainage bag 4, so that the accumulated blood or the accumulated blood can only flow from the drainage tube 1 to the drainage bag 4 in a one-way mode, the accumulated blood or the accumulated blood and the like in the drainage bag 4 can be prevented from flowing reversely, and the risk of infection is avoided. The drainage bag 4 can be gradually restored to the original state after the extrusion external force disappears, so that the drainage bag 4 generates negative pressure in the restoration process.

Before drainage, air in the drainage bag 4 needs to be removed firstly, the drainage bag 4 can be gradually restored to an original state after the external extrusion force disappears, negative pressure is generated in the drainage bag 4, and hematocele or effusion and the like at a wound are sucked into the drainage bag 4 through the drainage tube 1 and the one-way valve 2 in sequence under the action of the negative pressure, so that drainage work is completed.

The drainage tube 1 can directly enter a wound of a human body, so that the drainage tube is generally required to be soft in material and low in irritation when being selected; the caliber of the drainage tube 1 can be adjusted according to the actual wound to be treated, and as the device is mainly used in small wound surgery, the caliber thickness given in the embodiment is 2-3mm, and the specific caliber of the drainage tube 1 is determined according to the volume of the drainage bag 4.

The one-way valve 2 ensures that liquid can only flow to the drainage bag 4 from the wound and can not flow reversely, hematocele effusion is drained from the wound by utilizing the negative pressure principle, and the one-way valve 2 is fixedly connected with the drainage tube 1 and can not be detached.

The drainage bag 4 is mainly used for collecting hematocele, and the material is soft, the drainage bag is attached to human skin as far as possible, and the drainage bag is not easy to be allergic, easy to fix and portable when the material is selected, the drainage bag 4 is made of elastic materials (such as silica gel, elastic plastic or rubber), and when the external force disappears due to extrusion, the drainage bag 4 can be restored to the initial state through the elastic deformation of the drainage bag. Be equipped with the volume scale of being convenient for observe on drainage bag 4, can acquire data in real time when patient or medical personnel need to know the drainage volume. The volume of the drainage bag 4 can be selected according to specific use requirements, and is generally 5ml, 10ml or 20ml or 50ml in small-wound surgery.

In addition, in order to facilitate disassembly and replacement, a connecting port 3 is further arranged between the one-way valve 2 and the drainage bag 4, the connecting port is in sealing connection, the size of the connecting port 3 is matched with the drainage bag 4, the drainage bag 4 with different specifications can be selected according to standard sizes, the connecting port 3 and the one-way valve 2 are fixed into a whole, the connecting mode between the connecting port 3 and the drainage bag 4 can be plug-in type, threaded connection or buckle type connection, the drainage bag 4 is convenient to install and disassemble, but the connecting mode is not limited to the listed three modes, other connecting modes capable of being disassembled are all available, and specific selection depends on processing conditions or use requirements and the like. Before drainage, the air in the drainage bag 4 is emptied, the drainage bag 4 is connected to the connecting port 3, the drainage bag 4 needs to be replaced or the drainage is completed, the drainage bag 4 is detached, and the operation is very convenient.

In order to facilitate the fixation of the drainage bag 4, adhesive tapes 5 for fixing the drainage bag 4 are arranged on two sides of the drainage bag 4, and the adhesive tapes 5 are required to be in direct contact with the skin of a patient, so that the adhesive tapes 5 with allergy resistance, water resistance and air permeability are selected for use on the aspects of material selection and appearance, and the appearance is preferably colorless and transparent, for example, the material of a 3M waterproof adhesive tape is adopted, and the characteristics of safety and attractiveness are considered.

This miniature negative pressure drainage device is disposable aseptic product, from taking the negative pressure effect, and the suction of negative pressure needs to be equal with hydrops or the hematocele volume that can hold, and the required negative pressure is also big more promptly for the capacity is big more. Under the negative pressure state, be empty flat state in the drainage bag 4, after drainage income hematocele or hydrops, drainage bag 4 is the inflation state, and drainage bag 4 collects the back of overflowing, is no negative pressure state again, then needs to change after dismantling former drainage bag 4.

The problem that current negative pressure drainage device is comparatively thick, clumsy and security not good enough and inconvenient carrying has been solved to this embodiment, is particularly suitable for the minimally invasive incision drainage of various meticulous cosmetic plastic surgeries. In addition, the utility model has simple structure and low cost price, and can meet the actual use requirements of patients when the patients are replaced every day.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (5)

1. A micro negative pressure drainage device is characterized by comprising a drainage tube (1), a one-way valve (2) and a drainage bag (4) which are connected in sequence;

one end of the drainage tube (1) is used for contacting with a wound, the other end of the drainage tube (1) is communicated with the inlet of the one-way valve (2), and the outlet of the one-way valve (2) is communicated with the inlet of the drainage bag (4);

the drainage bag (4) can be gradually restored to the original state when the extrusion external force disappears, so that negative pressure is generated in the restoration process of the drainage bag (4);

the drainage bag (4) is made of an elastic material, and when the external extrusion force disappears, the drainage bag (4) can be restored to the initial state through the elastic deformation of the drainage bag;

the one-way valve (2) is connected with the drainage bag (4) in a sealing way through the connecting port (3).

2. The micro negative pressure drainage device according to claim 1, wherein the connection port (3) and the drainage bag (4) are connected by a plug-in connection, a thread connection or a snap-in connection.

3. The micro negative pressure drainage device according to claim 2, wherein the mouthpiece (3) is fixed with the one-way valve (2) as a whole.

4. The micro negative pressure drainage device according to claim 1, wherein adhesive tapes (5) for fixing the drainage bag (4) are further arranged on two sides of the drainage bag (4).

5. The micro negative pressure drainage device according to claim 1, wherein the drainage bag (4) is provided with volume scales.

Images