CN215780328U

CN215780328U - Negative pressure drainage device

Info

Publication number: CN215780328U
Application number: CN202121883848.5U
Authority: CN
Inventors: 糜群; 郑富蓉; 张全月; 宋应群; 唐晓娟; 王婷婷
Original assignee: Ju Rong People's Hospital
Current assignee: Ju Rong People's Hospital
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-11
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a negative pressure drainage device, which relates to the technical field of medical drainage instruments and comprises a drainage device body and a drainage tube, wherein the drainage device body is used for collecting drainage liquid; a clamping part for clamping the inclined rod is arranged at the liquid inlet; according to the drainage device, the inclined rod capable of being compressed and reset under the action of force is arranged at the end part of the drainage tube, and the clamping part is correspondingly arranged at the liquid inlet, so that the drainage tube is connected with the drainage device body through clamping, the firm connection between the drainage tube and the drainage device body is ensured, and the problems that drainage liquid in the drainage device body is increased, the drainage tube is separated from the liquid inlet, and the drainage liquid pollutes the external environment can be avoided.

Description

Negative pressure drainage device

Technical Field

The utility model relates to the technical field of medical drainage instruments, in particular to a negative pressure drainage device.

Background

The negative pressure suction device in the medical field can be generally applied to various operations or medical operations in various departments, for example, a gastrointestinal negative pressure device in thoracic surgery can be used for draining liquid and gas after esophageal cancer surgery to suck out gastric contents and pneumatosis of a patient, so that the purpose of reducing the pressure of the gastrointestinal tract is achieved. The drained fluid can be divided into two broad categories, infectious and non-infectious. After the infectious liquid (referred to as pus) is drained, the purposes of relieving pressure, relieving pain, relieving inflammation, preventing inflammation diffusion and facilitating inflammation regression can be achieved. The non-infectious liquid comprises blood, exudate, tissue secretion and the like, and after drainage, the aims of relieving local pressure, reducing the damage of the liquid to surrounding tissues, reducing the possibility of infection, facilitating wound healing and the like can be achieved.

Clinically, for patients who have esophageal cancer surgery or other digestive system diseases, negative pressure drainage devices are generally used for conducting drainage and decompression on wounds or intestines and stomach. The commonly used negative pressure drainage device generally comprises an upper end cover, a lower end cover, a film, a compression ring and a drainage tube, wherein one end of the drainage tube is connected with a stomach tube and an intestinal tube of a patient, one end of the drainage tube is connected with the inlet end of the negative pressure drainage device, the outlet end of the drainage tube is closed by covering, the drainage tube is made of plastic, the port of the drainage tube is designed into a spiral shape at present, the port of the drainage tube is a straight-inserting smooth plastic tube diameter without threads, which is adopted for increasing friction force, the inlet end and the outlet end of the drainage tube are both in a negative pressure shape when the negative pressure device is normally used, and the negative pressure device is used for draining accumulated liquid and gas at a wound, for example, the utility model patent with the application number of '201910495161.5' and the name of 'disposable negative pressure drainage device'. Have the scale that is used for showing the capacity on the negative pressure drainage ware outer wall, the biggest scale is generally 1000ML, and exceed about 300ML during clinical in-service use, because the effect of gravity, drainage tube and negative pressure ware import junction often drop, lead to patient's effective drainage to be interrupted, patient is obeyed the pollution, the drainage liquid that spills over even has foul smell sometimes, causes the secondary air pollution of sick room, influences patient oneself and other people's impression, also greatly increased nurse's work load.

The prior art has a device for fixing a drainage tube and preventing the drainage tube from being disconnected with a negative pressure device, for example, the utility model patent with the application number of 201310280471.8 and the name of 'drainage tube fixing device', the technical proposal comprises a base and a rope, the bottom surface of the base is provided with a medical adhesive tape, the base comprises a fixed seat and a flip cover, the front end surface of the fixed seat is provided with a U-shaped part, the top surface is provided with a boss, the top surface of the boss is provided with a first through hole and a second through hole, the top surfaces of two connecting arms of the U-shaped part are respectively provided with an elastic locking column, the front end of the flip cover is hinged with the front end of the U-shaped part, two side surfaces of the flip cover are provided with clamping grooves matched with the pin columns, one end of the rope penetrates through the first through hole from bottom to top and is fixed in the second through hole to form a rope ring, the other end of the rope penetrates out from the rear end of the fixed seat, and the drainage tube can be effectively fixed by the fixing device, the problem that the components are not firmly connected is solved, and the drainage tube is prevented from being pulled out of the body; however, the fixing device has a complex structure, can obviously increase the manufacturing cost of the drainage device, and has a complex fixing mode and poor use convenience.

Therefore, how to strengthen the connection strength between the drainage tube and the negative pressure device and simplify the complexity of each device is a technical problem to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a negative pressure drainage device, which solves the problems in the prior art, and can avoid the problems that drainage liquid in a drainage device body is increased, and the drainage liquid is separated from a liquid inlet due to the fact that the drainage tube is not firmly connected with the liquid inlet when the weight is increased, so that the drainage liquid pollutes the external environment.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a negative pressure drainage device, which comprises a drainage device body and a drainage tube, wherein the drainage device body is used for collecting drainage liquid, the drainage device body is provided with a liquid inlet and an air outlet, one end of the drainage tube is connected with a stomach tube or an intestinal tube of a patient, and the other end of the drainage tube is connected with the liquid inlet; an inclined rod is arranged on the side wall of the end part of the drainage tube, one end of the inclined rod is connected with the drainage tube, the other end of the inclined rod extends along the tube body direction of the drainage tube, the length of the inclined rod is smaller than the length of the end part of the drainage tube, an included angle is formed between the inclined rod and the drainage tube, the included angle is reduced when the inclined rod receives acting force along the radial direction of the drainage tube, the inclined rod rebounds after the acting force is cancelled, and the angle is increased; the liquid inlet is provided with a clamping part used for clamping the inclined rod.

Preferably, the end of the drainage tube where the inclined rod is located is conical, the sum of the thickness of the inclined rod and the outer diameter of the inclined rod corresponding to the conical surface is smaller than the maximum outer diameter of the conical shape, and the diameter of the liquid inlet is smaller than the maximum outer diameter of the conical shape.

Preferably, the inclined rod and the clamping portion are provided with a plurality of inclined rods.

Preferably, the inlet opening still be provided with be used for with the feed liquor mouth of the tip grafting of drainage tube, be provided with on the lateral wall of feed liquor mouth joint portion, the internal diameter of feed liquor mouth is less than the tip external diameter of drainage tube.

Preferably, the clamping portion comprises a protrusion, and a cavity for the diagonal rod to be inserted and communicated with the inside of the liquid inlet nozzle is formed in the protrusion.

Preferably, the exhaust port is provided with an exhaust nozzle, and the exhaust nozzle and the liquid inlet nozzle are both connected with nozzle plugs.

Preferably, the material of the liquid inlet nozzle is PVC, and the material of the inclined rod is nylon.

Preferably, the bottom of the drainage device body is further provided with a liquid outlet, and a liquid outlet valve is arranged at the position of the liquid outlet.

Preferably, the drainage device body is further provided with a lifting rope for hanging on the neck of the patient.

Preferably, a compression spring is arranged in the drainage device body, and two ends of the compression spring are respectively connected and fixed with the top end and the bottom end of the drainage device body.

Preferably, the drain valve is a cross drain valve.

Compared with the prior art, the utility model has the following technical effects:

1. according to the drainage device, the inclined rod capable of being compressed and reset under the action of force is arranged at the end part of the drainage tube, and the clamping part is correspondingly arranged at the liquid inlet, so that the drainage tube is connected with the drainage device body in a clamping manner, the connection between the drainage tube and the drainage device body is firmer, the problems that the drainage tube is separated from the liquid inlet due to the fact that the drainage tube is not firmly connected with the liquid inlet and the external environment is polluted by drainage liquid when the weight is increased, and therefore a patient can carry the drainage device body to get out of bed more conveniently;

2. the inclined rod and the clamping part are simple in structure, the manufacturing cost can be obviously reduced, when the inclined rod is in a compressed state, the inclined rod can automatically reset to complete clamping after acting force disappears, the connecting process is more convenient, and medical personnel can conveniently operate the inclined rod and the clamping part;

3. according to the drainage device, the lifting rope used for being hung on the neck of a patient is further arranged on the drainage device body, the drainage device body can be further prevented from falling off through the lifting rope, the patient can get out of the bed to move, and meanwhile drainage operation can be smoothly carried out.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

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

FIG. 2 is a schematic structural view of a negative pressure device body;

FIG. 3 is a schematic view of one form of draft tube construction;

FIG. 4 is a schematic view of another version of a draft tube;

wherein, 1, a drainage device body; 2. a drainage tube; 3. a diagonal bar; 4. a liquid inlet nozzle; 5. an exhaust nozzle; 6. a protrusion; 7. a cross drain valve; 8. a lifting rope; 9. and (4) plugging the mouth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1 to 3, the present embodiment provides a negative pressure drainage device, which includes a drainage device body 1 for collecting drainage fluid and a drainage tube 2, wherein the drainage device body 1 is provided with a fluid inlet and an air outlet; an inclined rod 3 is arranged on the side wall of the end part of the drainage tube 2, one end of the inclined rod 3 is connected with the drainage tube 2, the other end of the inclined rod 3 extends along the tube body direction of the drainage tube 2, the length of the inclined rod is smaller than that of the end part of the drainage tube 2, an included angle is formed between the inclined rod 3 and the drainage tube 2, the included angle is reduced when the inclined rod 3 is subjected to acting force along the radial direction of the drainage tube 2, the inclined rod 3 rebounds after the acting force is removed, and the angle is increased; the liquid inlet is provided with a clamping part for clamping the inclined rod 3.

During the use, patient's stomach tube is connected to the one end of drainage tube 2, intestinal canal, the one end that has down tube 3 inserts in the inlet, when inserting, the vertical correspondence with the position of joint portion of down tube 3, the inserted in-process, the radial compression down tube 3 of drainage tube 2 is followed to the wall of inlet, down tube 3 laminates drainage tube 2 gradually, continue to insert and make down tube 3 and joint portion right time, down tube 3 outwards pops out to accomplish in the joint portion drainage tube 2 and drainage ware body 1 be connected in the card, utilize negative pressure drainage ware to carry out the drainage at last.

From this, this embodiment can compress under the effect of power through the tip setting at drainage tube 2, down tube 3 that resets, and correspondingly set up joint portion in inlet port department, make drainage tube 2 be connected through the joint with drainage ware body 1, it is more firm to connect between the two, can avoid drainage liquid to increase in drainage ware body 1, during the weight increase, because drainage tube 2 that drainage tube 2 and inlet are connected insecure production is deviate from the inlet, the problem of drainage liquid pollution external environment, thereby also make the patient carry 1 activities of getting off the bed of drainage ware body more convenient. And the down tube 3 and the joint portion simple structure in this embodiment can obviously reduce manufacturing cost, and when the down tube 3 was in compression state, can accomplish the joint by automatic re-setting after the effort disappeared, and the connection process is more convenient, and the medical personnel of being convenient for operate.

It should be noted that, the negative pressure device body is generally used as a disposable article, so after the drainage tube 2 is firmly connected with the liquid inlet, the drainage tube 2 does not need to be pulled out from the liquid inlet under general conditions, and after the drainage liquid is poured out, the negative pressure device body and the drainage tube 2 are directly discarded together, so that the problem of how to pull out the drainage tube 2 from the liquid inlet can be disregarded.

In order to realize negative pressure drainage, and no other electronic negative pressure generating equipment is arranged, in the embodiment, a compression spring is arranged in the drainage device body 1, two ends of the compression spring are respectively connected and fixed with the top end and the bottom end of the drainage device body 1, when the drainage device is used, an exhaust port is opened, then the compression spring is compressed forcibly, the drainage device body 1 is flattened, the exhaust port is blocked, and a drainage tube 2 is connected to keep the drainage device body 1 in a sealed state, then the force on the compression spring is removed, the compression spring rebounds, the volume of the drainage device body 1 is gradually increased, the internal pressure is gradually reduced, and under the action of negative pressure, drainage liquid can be automatically introduced into the drainage device body 1; of course, the step of connecting the drainage tube 2 can also be performed before collapsing the drainage device body 1 during the above-mentioned use.

In the embodiment, the end part of the drainage tube 2 where the inclined rod 3 is located is conical, the sum of the thickness of the inclined rod 3 and the outer diameter of the position on the conical corresponding to the inclined rod is smaller than the maximum outer diameter of the end part of the drainage tube 2, and the diameter of the liquid inlet is smaller than the maximum outer diameter of the end part of the drainage tube 2, so that the inclined rod 3 can be completely inserted into the liquid inlet, and the end part of the drainage tube 2 is utilized to block and seal the liquid inlet; and as the skilled person will know, in this embodiment, the diameter of the liquid inlet is larger than the maximum value of the sum of the thickness of the diagonal rod 3 and the outer diameter of the position on the corresponding conical surface, because the diagonal rod 3 can extend into the liquid inlet along with the end of the drainage tube 2 and is in clamping fit with the clamping part.

As shown in fig. 4, in order to improve the clamping fixing effect on the drainage device body 1, the drainage device body 1 is further prevented from dropping, and the inclined rod 3 and the clamping portion can be uniformly provided with a plurality of parts in the embodiment.

Further, the inlet port department still is provided with the feed liquor mouth 4 that is used for pegging graft with the tip of drainage tube 2 in this embodiment, is provided with joint portion on the lateral wall of feed liquor mouth 4, and the internal diameter of feed liquor mouth 4 is less than the tip external diameter of drainage tube 2, and at this moment, feed liquor mouth 4 adopts flexible material to make, can expand at drainage tube 2 male in-process, has guaranteed the sealing performance between feed liquor mouth 4 and the drainage tube 2. Specifically, the material of the liquid inlet nozzle 4 is made of a material with certain deformation performance, preferably PVC, and the diagonal rod 3 is made of a material with higher toughness, certain hardness and bending resilience, preferably nylon.

In the embodiment, the clamping part comprises a bulge 6, a cavity for inserting the inclined rod 3 and communicating with the inside of the liquid inlet nozzle 4 is formed in the bulge 6, the inner diameter of the cavity is slightly larger than the size of the inclined rod 3, an included angle is formed between the cavity and the axial direction of the liquid inlet nozzle 4, and the self-included angle is not larger than the maximum value of the included angle between the inclined rod 3 and the axial direction of the drainage tube 2, so that the inclined rod 3 can be completely inserted into the cavity; in addition, the protrusion 6 in the present embodiment is a sealing structure except that the inner cavity is communicated with the inside of the liquid inlet nozzle 4, and the other positions of the protrusion 6 are all sealing structures.

The exhaust port is provided with an exhaust nozzle 5 in the embodiment, the exhaust nozzle 5 and the liquid inlet nozzle 4 are both connected with a nozzle plug 9, the exhaust nozzle 5 is used for exhausting air in the main body of the negative pressure device before use, and the nozzle plug 9 is plugged on the exhaust nozzle 5 for sealing when negative pressure drainage is carried out; the nozzle plug 9 on the liquid inlet nozzle 4 is plugged when the negative pressure device body is not used, so that the internal sanitation of the negative pressure device body is ensured.

The drainage device comprises a drainage device body and is characterized in that a drainage port is further arranged at the bottom of the drainage device body 1, a drainage valve is arranged at the drainage port, the drainage valve is preferably simple in structure, a cross drainage valve 7 convenient to operate is in a closed state when negative pressure drainage is carried out, the negative pressure device main body is guaranteed to be a sealing structure, after drainage is completed, the cross drainage valve 7 is opened to dump drainage liquid, and the drainage device body 1 and the drainage liquid are separately treated.

In order to further prevent that drainage ware body 1 from dropping, still be provided with the lifting rope 8 that is used for hanging the patient neck in this embodiment on the drainage ware body 1, when being convenient for the patient to get off the bed through setting up lifting rope 8 and carrying out the activity, the drainage can go on smoothly.

The adaptation according to the actual needs is within the scope of the utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A negative pressure drainage device is characterized by comprising a drainage device body and a drainage tube, wherein the drainage device body is used for collecting drainage liquid, the drainage device body is provided with a liquid inlet and an air outlet, one end of the drainage tube is connected with a stomach tube or an intestinal tube of a patient, and the other end of the drainage tube is connected with the liquid inlet; an inclined rod is arranged on the side wall of the end part of the drainage tube, one end of the inclined rod is connected with the drainage tube, the other end of the inclined rod extends along the tube body direction of the drainage tube, the length of the inclined rod is smaller than the length of the end part of the drainage tube, an included angle is formed between the inclined rod and the drainage tube, the included angle is reduced when the inclined rod receives acting force along the radial direction of the drainage tube, the inclined rod rebounds after the acting force is cancelled, and the angle is increased; the liquid inlet is provided with a clamping part used for clamping the inclined rod.

2. The negative pressure flow diverter of claim 1, wherein the end of the drainage tube where the diagonal rod is located is conical, the sum of the thickness of the diagonal rod and the outer diameter of the diagonal rod corresponding to the conical surface is smaller than the maximum outer diameter of the cone, and the diameter of the liquid inlet is smaller than the maximum outer diameter of the cone.

3. The negative pressure flow diverter of claim 2, wherein the diagonal bar and the clamping portion are provided with a plurality of diagonal bars.

4. The negative pressure flow diverter of claim 3, wherein the liquid inlet is further provided with a liquid inlet nozzle for being inserted into the end of the drainage tube, the side wall of the liquid inlet nozzle is provided with the clamping portion, and the inner diameter of the liquid inlet nozzle is smaller than the maximum outer diameter of the end of the drainage tube.

5. The negative pressure flow diverter of claim 4, wherein the clamping portion comprises a protrusion, and a cavity is formed in the protrusion, into which the diagonal rod is inserted, and is communicated with the inside of the liquid inlet nozzle.

6. The negative pressure flow diverter of claim 4, wherein an exhaust nozzle is arranged at the exhaust port, and nozzle plugs are connected to the exhaust nozzle and the liquid inlet nozzle.

7. The negative pressure flow diverter of claim 5, wherein the liquid inlet nozzle is made of PVC and the diagonal bar is made of nylon.

8. The negative pressure flow diverter according to any one of claims 1 to 7, wherein the bottom of the diverter body is further provided with a liquid outlet, and a liquid outlet valve is arranged at the liquid outlet.

9. The negative pressure flow diverter of claim 8, wherein the diverter body is further provided with a lifting rope for hanging on the neck of a patient.

10. The negative pressure flow diverter of claim 9, wherein a compression spring is arranged in the flow diverter body, and two ends of the compression spring are respectively connected and fixed with the top end and the bottom end of the flow diverter body.