CN210932943U

CN210932943U - Negative pressure drainage device

Info

Publication number: CN210932943U
Application number: CN201920817142.5U
Authority: CN
Inventors: 张海英
Original assignee: Beijing Hengsheng Fengrun Technology & Trade Co ltd
Current assignee: Beijing Hengsheng Fengrun Technology & Trade Co ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-07-07
Anticipated expiration: 2029-06-03

Abstract

The utility model relates to the technical field of medical equipment, in particular to a negative pressure liquid suction device, which comprises a liquid storage bag, a negative pressure device and a conduit, wherein an inlet is arranged above the liquid storage bag, a discharge port is arranged below the liquid storage bag, the conduit is communicated with the inlet, a backflow preventing bag is arranged at the inlet, and one end of the conduit is arranged in the backflow preventing bag; the negative pressure device is arranged in the liquid storage bag and comprises a front bending plate, a rear bending plate and an elastic piece, the elastic piece is arranged between the front bending plate and the rear bending plate, and the centers of the front bending plate and the rear bending plate are locked through a first buckle assembly. The negative pressure drainage device has compact structure, reasonable arrangement and convenient operation and transportation, changes the direction of waste liquid and waste residue when the traditional liquid storage bag is discharged, and ensures that the health of medical personnel is not hurt; the spring of the negative pressure device is in a compressed state, so that the problem of negative pressure value deviation caused by manual pressing is solved.

Description

Negative pressure drainage device

Technical Field

The utility model belongs to the technical field of medical equipment, specifically a negative pressure drainage ware.

Background

The gastrointestinal decompression is to insert a stomach tube from the oral cavity or the nasal cavity by utilizing the principles of negative pressure suction and siphon, and suck out the gas and the liquid accumulated in the gastrointestinal tract through the stomach tube, so that the pressure and the expansion degree in the gastrointestinal tract can be reduced for patients suffering from gastrointestinal obstruction, the accumulated substances in the gastrointestinal tract can be prevented from continuously leaking into the abdominal cavity through a laceration for patients suffering from gastrointestinal perforation, and the healing after the gastrointestinal anastomosis is facilitated.

Present negative pressure drainage device is drum-shaped spring negative pressure, medical personnel need double cooperation to connect the stomach tube, the gymnastics is to open drum-shaped negative pressure drainage device upper cover discharge port, with the spring compression, the discharge port has been covered, connecting tube to stomach tube, loosen the spring, produce the negative pressure and attract the decompression, disconnection stomach tube after the negative pressure disappears, open the discharge port, upset negative pressure drainage device makes upper cover and discharge port discharge waste liquid and residue downwards, the tight discharge port lid of compression spring lid once more, connect the stomach tube and continue the decompression drainage. However, the existing negative pressure drainage device is found to have the following defects in clinical application: because the compression spring generates negative pressure, the nurse sometimes can not compress the spring to the maximum value due to the self reason, and the negative pressure value is low; meanwhile, when the spring is compressed for the second time, the waste liquid and the residue sucked and led out from the drum-shaped negative pressure device can be ejected out from the discharge port along with the compressed air, so that the face and the body clothes of the medical staff are polluted, and the health of the medical staff is harmed; in addition, two medical staff are required to operate the operation, which is very inconvenient, so that some improvements for the defects are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a negative pressure drainage device is in compression state with the spring, solves among the actual operation because of the artificial problem that produces of pressing not in place.

In order to solve the technical problem, the utility model provides a negative pressure drainage device, which comprises a liquid storage bag, a negative pressure device and a conduit, wherein an inlet is arranged above the liquid storage bag, a discharge port is arranged below the liquid storage bag, the conduit is communicated with the inlet, an anti-backflow bag is arranged at the inlet, and one end of the conduit is arranged in the anti-backflow bag; the negative pressure device is arranged in the liquid storage bag, the negative pressure device is arranged between an inlet and a discharge port, the lower portion of the backflow preventing bag is arranged in the negative pressure device, the negative pressure device comprises a front bendable plate, a rear bendable plate and an elastic piece, the elastic piece is arranged between the front bendable plate and the rear bendable plate, the front bendable plate and the rear bendable plate are detachably connected, and the centers of the front bendable plate and the rear bendable plate are locked through a first buckle assembly.

Specifically, a boss is arranged on the inner side face of the front bendable plate, a groove is arranged on the inner side face of the rear bendable plate, the upper end of the elastic piece is sleeved on the outer side of the boss, and the lower end of the elastic piece is located in the groove.

Specifically, the upper ends and the lower ends of the front bendable plate and the rear bendable plate are respectively provided with a bending part, the bending part at the upper end of the front bendable plate is fixedly connected with the bending part at the upper end of the rear bendable plate, the bending part at the lower end of the front bendable plate is connected with the bending part at the lower end of the rear bendable plate through a second buckle assembly, and the connecting part of the front bendable plate and the rear bendable plate is provided with a through hole.

Further, the elastic part is a pagoda spring, and the first buckle component is positioned in the pagoda spring.

Specifically, the bag mouth and the bag bottom of the backflow preventing bag are provided with communicated openings.

In particular, the discharge port is a cross valve discharge port.

Further, a flow regulator is arranged on the conduit.

Specifically, the positive top of stock solution bag is equipped with the sign of inlet, and the below is equipped with the sign of outlet, and the middle mark has product name and operation instruction pattern.

Specifically, the positive liquid storage bag volume that still marks of liquid storage bag, the positive both sides of liquid storage bag all are equipped with the volume scale.

The utility model has the advantages that:

1. the inlet of the negative pressure drainage device is arranged above the liquid storage bag, and the discharge port is arranged below the liquid storage bag, so that the directions of waste liquid and waste residue are changed when the traditional liquid storage bag is discharged, and the health of medical personnel is not hurt;

2. the utility model discloses negative pressure drainage device compact structure, arrange rationally, operation, transportation are convenient, set up the negative pressure device inside the stock solution bag, and the negative pressure device spring is in compression state, reduces the problem of the negative pressure value deviation that the people made a press to cause.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art 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 that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the negative pressure drainage device (with the front side of the liquid storage bag removed) according to the present invention;

FIG. 2 is a schematic side view of the negative pressure device of the negative pressure drainage device of the present invention;

fig. 3 is a front view of the negative pressure drainage device.

In the figure: 1-liquid storage bag, 2-conduit, 3-inlet, 4-discharge port, 5-backflow prevention bag, 6-flow regulator, 7-front bendable plate, 8-rear bendable plate, 9-elastic piece, 71-buckling hole, 72-female buckle, 81-arc buckle and 82-male buckle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In a specific embodiment of the present invention, as shown in fig. 1 to 3, a negative pressure drainage device is specifically disclosed, which comprises a liquid storage bag 1, a negative pressure device and a conduit 2, wherein an inlet 3 is arranged above the liquid storage bag, a discharge port 4 is arranged below the liquid storage bag, and the discharge port 4 is a cross valve discharge port; the conduit 2 is communicated with the inlet 3, the conduit 2 is provided with a flow regulator 6, the inlet 3 is provided with an anti-backflow bag 5, one end of the conduit 2 is arranged in the anti-backflow bag 5, the opening of the anti-backflow bag 5 and the bag bottom are provided with communicated openings, the anti-backflow bag 5 is made of a polyvinyl chloride film, the anti-backflow bag 5 is normally in a closed state, and the closed anti-backflow bag plays a role in preventing liquid backflow; when liquid enters from top to bottom, the liquid enters from the bag opening of the backflow-preventing bag under the action of the impact force of the liquid, then the backflow-preventing bag is flushed open, and the liquid enters the negative pressure device from the bottom of the backflow-preventing bag.

Negative pressure device sets up in the stock solution bag 1, negative pressure device sets up between import 2 and the discharge port 4, the lower part that prevents bag 1 that backflows sets up in the negative pressure device, negative pressure device includes anterior board 7, the board 8 and the elastic component 9 of can bending at the rear portion of can bending, elastic component 9 sets up anterior board 7 and the rear portion of can bending can be bent between the board 8, the anterior medial surface of board 7 of can bending is equipped with the boss, the medial surface of board 8 of can bending at the rear portion is equipped with the recess, the last pot head of elastic component 9 is established the boss outside, the lower extreme is located in the recess. The front bendable plate 7 and the rear bendable plate 8 are made of nylon, the front bendable plate 7 and the rear bendable plate 8 are detachably connected, through holes are arranged at the joints of the front bendable plate 7 and the rear bendable plate 8, bent parts are arranged at the upper ends and the lower ends of the front bendable plate 7 and the rear bendable plate 8, the bending part at the upper end of the front bendable plate 7 is fixedly connected with the bending part at the upper end of the rear bendable plate 8, the bending part at the lower end of the front bendable plate 7 is connected with the bending part at the lower end of the rear bendable plate 8 through a second buckle component, the end of the bending part at the lower end of the front bendable plate 7 is provided with a buckle hole 71, the end of the bending part at the lower end of the rear bendable plate 8 is provided with an arc buckle 81, the arc buckles 81 are clamped in the buckle holes 71, and the number of the buckle holes 71 and the number of the arc buckles 81 are two respectively.

The centers of the front bendable plate 7 and the rear bendable plate 8 are locked through the first buckle assembly, and the front bendable plate 7 and the rear bendable plate 8 are unfolded and tiled at the moment. Preferably, the elastic member 9 is a pagoda spring, the first buckle assembly is located in the pagoda spring, the first buckle assembly is a pressing type buckle assembly, the first buckle assembly comprises a female buckle 72 arranged on an inner side boss of the front bendable board 7 and a male buckle 82 arranged in a groove on an inner side of the rear bendable board 8, and the female buckle 72 and the male buckle 82 are buckled with each other.

Pressing the front bendable plate 7 by hand to be folded upwards, so that the bent parts of the front bendable plate 7 and the rear bendable plate 8 are in a bent state, and the pagoda spring recovers elasticity; the front bendable plate 7 is pressed by a hand to be folded downwards, so that the bent parts of the front bendable plate 7 and the rear bendable plate 8 are unfolded and tiled, and the pagoda spring is in a compressed state.

Preferably, the positive top of stock solution bag 1 is equipped with the sign of inlet, and the below is equipped with the sign of outlet, and the centre is annotated and is had product name and operation instruction pattern. The positive liquid storage bag capacity that still marks of liquid storage bag 1, the positive both sides of liquid storage bag all are equipped with the capacity scale.

The utility model discloses the process of operation and use does: when the negative pressure drainage device is packaged, the negative pressure device is in a compression state, the front portion of the plate capable of being bent and the rear portion of the plate capable of being bent are overlapped together, the pagoda spring is in a compression state, the front portion of the plate capable of being bent and the rear portion of the plate capable of being bent are locked through the female buckle and the male buckle, and the front portion of the plate capable of being bent and the rear portion of the plate capable of being bent are in a spreading and tiling state. When the negative pressure drainage device is used, a stomach tube is inserted into a catheter of the negative pressure drainage device, then the front bending plate and the rear bending plate in the negative pressure device are pressed, the female buckle and the male buckle between the front bending plate and the rear bending plate are unfastened, the pagoda spring in a compressed state recovers elasticity, negative pressure suction is generated, and the front bending plate and the rear bending plate are in a bent state at two ends.

The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.

Claims

1. A negative pressure drainage device is characterized by comprising a liquid storage bag, a negative pressure device and a conduit, wherein an inlet is arranged above the liquid storage bag, a discharge port is arranged below the liquid storage bag, the conduit is communicated with the inlet, a backflow prevention bag is arranged at the inlet, and one end of the conduit is arranged in the backflow prevention bag; the negative pressure device is arranged in the liquid storage bag, the negative pressure device is arranged between an inlet and a discharge port, the lower portion of the backflow preventing bag is arranged in the negative pressure device, the negative pressure device comprises a front bendable plate, a rear bendable plate and an elastic piece, the elastic piece is arranged between the front bendable plate and the rear bendable plate, the front bendable plate and the rear bendable plate are detachably connected, and the centers of the front bendable plate and the rear bendable plate are locked through a first buckle assembly.

2. The negative pressure drainage device of claim 1, wherein the inner side surface of the front bendable plate is provided with a boss, the inner side surface of the rear bendable plate is provided with a groove, the upper end of the elastic member is sleeved outside the boss, and the lower end of the elastic member is located in the groove.

3. The negative pressure drainage device according to claim 2, wherein the upper and lower ends of the front bendable plate and the rear bendable plate are provided with bent parts, the bent part at the upper end of the front bendable plate is fixedly connected with the bent part at the upper end of the rear bendable plate, the bent part at the lower end of the front bendable plate is connected with the bent part at the lower end of the rear bendable plate through a second buckle assembly, and the joints of the front bendable plate and the rear bendable plate are provided with through holes.

4. The negative pressure flow diverter of claim 2, wherein the elastic member is a pagoda spring and the first snap assembly is located within the pagoda spring.

5. The negative pressure flow diverter of claim 1, wherein the mouth of the anti-reflux bag and the bottom of the bag are provided with openings communicating with each other.

6. The negative pressure flow diverter of claim 1, wherein the discharge port is a cross valve discharge port.

7. The negative pressure flow diverter of claim 1, wherein the conduit is provided with a flow regulator.

8. The negative pressure drainage device as claimed in claim 1, wherein the liquid storage bag is provided with a liquid inlet mark on the upper side and a liquid outlet mark on the lower side, and the middle part is marked with a product name and an operation indication pattern.

9. The negative pressure drainage device of claim 8, wherein the front surface of the liquid storage bag is marked with the capacity of the liquid storage bag, and both sides of the front surface of the liquid storage bag are provided with capacity scales.