CN211301366U

CN211301366U - Medical manual negative pressure drainage device

Info

Publication number: CN211301366U
Application number: CN201921664811.6U
Authority: CN
Inventors: 严香凤
Original assignee: First Affiliated Hospital of Guangxi Medical University
Current assignee: First Affiliated Hospital of Guangxi Medical University
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-08-21
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a medical manual negative pressure drainage device belongs to the medical instrument field. Comprises a balloon, a plug, a storage bottle, a first pipeline, a second pipeline, a first one-way valve and a second one-way valve; the balloon is an elastic sphere with a middle cavity, and a first channel and a second channel are respectively arranged at two opposite ends of the balloon; a first one-way valve is arranged in the first channel, and the liquid medicine enters the middle cavity of the balloon through the first one-way valve; a second one-way valve is arranged in the second channel, and the liquid medicine flows out of the middle cavity of the balloon through the second one-way valve; a through hole is formed in the plug, one end of the plug is a sharp end, and the other end of the plug is connected with the first channel through a first pipeline; the storage bottle upper portion is provided with the bottleneck, and the bottleneck passes through second pipeline and second access connection, is provided with the capacity scale mark on the lateral wall of storage bottle. The utility model solves the problems of low efficiency, difficult quantification and easy pollution of the liquid medicine sucked out in the process of sucking out the medical liquid medicine.

Description

Medical manual negative pressure drainage device

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a medical manual negative pressure drain.

Background

The existing packages of the liquid medicines such as mannitol or sodium bicarbonate injection and the like are mostly 250ml, and in order to adapt to different disease conditions of clinical patients, the dosage of the liquid medicines such as mannitol or sodium bicarbonate injection and the like is strictly controlled. According to the clinical requirements of patients, the injection of mannitol and sodium bicarbonate is usually required to be 100ml, 125ml, 150ml, 200ml, 250ml and the like. For example: mannitol is used more in neurology department, and bicarbonate and mannitol injection liquid are used more in chemotherapy of oncology patients. During the configuration, the infusion tube is used for discharging liquid, the side hole needle is extruded, or a 50ml syringe is used for back and forth extraction. When the nasal cavity is flushed in the radiotherapy process of the head and neck tumor patient according to the requirements of the disease condition, mixed liquid comprising 250ml of sodium bicarbonate and 250ml of sterile injection is required to be prepared. The nurse used a 50ml syringe at the time of dispensing, and the excess liquid was withdrawn from the 500ml fixed volume package back and forth and discarded, and then withdrawn from the sodium bicarbonate injection bottle and mixed in, and repeated several times until the desired dosage was reached. The above method has the following disadvantages: the operation needs longer time and has high requirement on the strength of hands, so the workload of nurses is large, the time is wasted, and the efficiency is low; moreover, repeated suction is likely to cause liquid contamination, and the bottle mouth insertion opening is likely to become large and leak water.

SUMMERY OF THE UTILITY MODEL

The present invention provides a medical manual negative pressure drainage device, which solves the problems of low efficiency, uneasy quantification and easy pollution of the sucked liquid medicine during the medical liquid medicine suction process.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a medical manual negative pressure liquid discharge device comprises a balloon, a plug, a storage bottle, a first pipeline, a second pipeline, a first one-way valve and a second one-way valve; the balloon is an elastic ball with a middle cavity, a first channel and a second channel are respectively arranged at two opposite ends of the balloon, and the first channel and the second channel are both communicated with the middle cavity of the balloon; a through hole is formed in the plug, one end of the plug is a sharp end, the other end of the plug is connected with the first channel through a first pipeline, and the through hole is communicated with the first channel; a bottle opening is formed in the upper portion of the storage bottle and connected with the second channel through a second pipeline, and capacity scale marks are formed in the outer side wall of the storage bottle; the first one-way valve is arranged in the first channel, and liquid medicine enters the middle cavity of the balloon through the first one-way valve; the second one-way valve is arranged in the second channel, and the liquid medicine flows out of the middle cavity of the balloon through the second one-way valve.

Furthermore, the first one-way valve and the second one-way valve comprise movable membrane valves of a cylinder, wherein the movable membrane valves are arranged in the cylinder; the cylinder column of the first one-way valve is fixed in the first channel, and the cylinder column of the second one-way valve is fixed in the second channel.

Further, the first pipeline and the second pipeline are both flexible pipes.

Further, be provided with the intake pipe on the plug, intake pipe one end is attached at the pointed end of plug, the other end is the free end, the free end is provided with air cleaner.

Furthermore, the device also comprises an on-off valve which is arranged on the first pipeline and controls the on-off of the first pipeline.

Furthermore, a connecting cover is arranged at the joint of the second pipeline and the bottle opening, the connecting cover is arranged on the bottle opening, and the second pipeline is connected with the connecting cover.

Further, the connecting cover is in threaded connection with the storage bottle opening.

Furthermore, the connecting cover is provided with an air outlet

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses during the use, with the silica gel cap of the sharp-end puncture liquid medicine bottle bottleneck of plug, extrude the sacculus, the air is extruded from the one-way flap of second in the sacculus, loosen the sacculus, the sacculus bounce resumes, the sacculus forms the negative pressure, the liquid medicine gets into in the sacculus by the one-way flap of first this moment, rethread extrusion sacculus liquid medicine is extruded by the one-way flap of second and flows out to the storage bottle through the second pipeline in, extrude the unclamping sacculus many times repeatedly, can realize the liquid medicine of continuous suction, simpler in the operation process, convenient, efficient; the volume of the sucked liquid medicine can be accurately measured through the volume scale marks on the storage bottle; based on the operation, the utility model discloses a puncture realizes suction liquid medicine many times, realizes the accurate measurement of suction liquid medicine, and the liquid medicine direct storage of suction is difficult for causing the suction liquid medicine contaminated in relative confined storage bottle.

2. The utility model discloses a be provided with the one-way valve of the same first one-way valve and the one-way valve of second, the one-way practicality of its structure can effective reduction in production cost.

3. The utility model is provided with the air inlet pipe, which can prevent the negative pressure in the liquid medicine bottle from being too large due to the liquid medicine suction, and the smoothness of the liquid medicine suction is not affected; through being provided with the venthole, can prevent that the storage bottle from leading to the fact atmospheric pressure too big because the liquid medicine flows in, causing the sacculus extrusion not smooth, influencing the efficiency of liquid medicine suction.

Drawings

FIG. 1 is a sectional structure diagram of embodiment 1 of the present invention;

FIG. 2 is an enlarged view taken at I in FIG. 1;

fig. 3 is a cross-sectional structure diagram of embodiment 2 of the present invention.

In the attached figure, 1-balloon, 2-plug, 3-storage bottle, 4-first pipeline, 5-second pipeline, 6-first one-way valve, 7-second one-way valve, 8-on-off valve, 11-first channel, 12-second channel, 21-air inlet pipe, 22-air filter, 31-scale mark, 51-connecting cover, 52-air outlet hole, 61-cylinder, 62-step surface and 63-movable membrane.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

Referring to fig. 1, a medical manual negative pressure drainage device comprises a balloon 1, a plug 2, a storage bottle 3, a first pipeline 4, a second pipeline 5, a first one-way valve 6, a second one-way valve 7 and an on-off valve 8; the balloon 1 is an elastic ball with a middle cavity, a first channel 11 and a second channel 12 are respectively arranged at two opposite ends of the balloon 1, and the first channel 11 and the second channel 12 are both communicated with the middle cavity of the balloon 1; the first one-way valve 6 is arranged in the first channel 11, and the liquid medicine enters the middle cavity of the balloon 1 through the first one-way valve 6; the second one-way valve 7 is arranged in the second channel 12, and the liquid medicine flows out from the middle cavity of the saccule 1 through the second one-way valve 7. A through hole is formed in the plug 2, one end of the plug 2 is a sharp end, and the other end of the plug 2 is connected with the first channel 11 through the first pipeline 4; the through hole communicates with the first passage 11. The upper portion of the storage bottle 3 is provided with a bottle mouth, the bottle mouth is connected with the second channel 12 through the second pipeline 5, the outer side wall of the storage bottle 3 is provided with capacity scale marks 31, and the on-off valve 8 is arranged on the first pipeline 4 and controls the on-off of the first pipeline 4. It will be appreciated that the capacity of the storage bottle 3 may be set as desired.

Referring to fig. 2, the first one-way valve 6 comprises a cylindrical column 61 and a movable diaphragm 63 mounted in the cylindrical column 61, a step surface 62 is provided in the cylindrical column 61, and the movable diaphragm 63 is mounted on the step surface 62; the first one-way valve 6 and the second one-way valve 7 are the same in structure, and the first pipeline 4 and the second pipeline 5 are both hoses. The outer wall of the cylinder 61 of the first one-way valve 6 is tightly and fixedly connected with the inner wall of the first channel 11. The inner wall of the second channel 12 of the outer wall of the cylinder 61 of the second one-way valve 7 is tightly and fixedly connected.

The working principle of the embodiment is as follows: opening the on-off valve 8, extruding the balloon 1, extruding the movable flap 63 of the first one-way flap 6 by air or liquid pressure and attaching the movable flap to the step surface 62 of the first one-way flap 6, and closing the first one-way flap 6; the movable flap 63 of the second one-way flap 7 is pressed by air or liquid pressure and separated from the step surface 62 of the second one-way flap 7, the second one-way flap 7 is opened, and air or liquid is pushed out from the second one-way flap 7. The balloon 1 bounces, negative pressure is formed in the balloon 1, the movable valve 63 of the second one-way valve 7 is pressed by air or liquid pressure and attached to the step surface 62 of the second one-way valve 7, and the second one-way valve 7 is closed; due to the fact that the movable membrane 63 of the first one-way valve 6 is separated from the step surface 62 of the first one-way valve 6 under the negative pressure, the first one-way valve 6 is opened, and liquid medicine is sucked into the cavity in the middle of the balloon 1 from the first one-way valve 6.

During the use, with the silica gel cap of the most advanced puncture liquid medicine bottle bottleneck of plug 2, extrude sacculus 1, the air is extruded from one-way flap 7 of second in the sacculus 1, relax sacculus 1, sacculus 1 bounce resumes, sacculus 1 forms the negative pressure, the liquid medicine is in getting into sacculus 1 by first one-way flap 6 this moment, rethread extrusion sacculus 1 makes the liquid medicine extruded and flow out to storage bottle 3 in through second pipeline 5 by one-way flap 7 of second in, extrude to loosen sacculus 1 many times repeatedly, the appropriate amount of suction liquid medicine can.

Example 2

Referring to fig. 3, a medical manual negative pressure drainage device comprises a balloon 1, a plug 2, a storage bottle 3, a first pipeline 4, a second pipeline 5, a first one-way valve 6, a second one-way valve 7 and an on-off valve 8; the balloon 1 is an elastic ball with a middle cavity, a first channel 11 and a second channel 12 are respectively arranged at two opposite ends of the balloon 1, and the first channel 11 and the second channel 12 are both communicated with the middle cavity of the balloon 1; the first one-way valve 6 is arranged in the first channel 11, and the liquid medicine enters the middle cavity of the balloon 1 through the first one-way valve 6; the second one-way valve 7 is arranged in the second channel 12, and the liquid medicine flows out of the middle cavity of the balloon 1 through the second one-way valve 7; a through hole is formed in the plug 2, one end of the plug 2 is a sharp end, the other end of the plug 2 is connected with the first channel 11 through the first pipeline 4, and the through hole is communicated with the first channel 11; an air inlet pipe 21 is arranged on the plug 2, one end of the air inlet pipe 21 is attached to the tip end of the plug 2, the other end of the air inlet pipe 21 is a free end, an air filter 22 is arranged at the free end, and the on-off valve 8 is arranged on the first pipeline 4 and controls the on-off of the first pipeline 4. It should be noted that the air filter 22 is a mature technology in the prior art, and has been widely used in the prior drip infusion set, and in this embodiment, the function is to filter bacteria and impurities in the air and prevent the liquid medicine from being polluted. The upper portion of storage bottle 3 is provided with the bottleneck, and the bottleneck passes through second pipeline 5 to be connected with second passageway 12, is provided with capacity scale mark 31 on the lateral wall of storage bottle 3. It will be appreciated that the capacity of the storage bottle 3 may be set as desired.

Referring to fig. 2 again, the first one-way valve 6 comprises a movable diaphragm 63 of the cylindrical column 61 arranged in the cylindrical column 61, a step surface 62 is arranged in the cylindrical column 61, and the movable diaphragm 63 is arranged on the step surface 62; the first one-way valve 6 and the second one-way valve 7 have the same structure. The outer wall of the cylinder 61 of the first one-way valve 6 is tightly and fixedly connected with the inner wall of the first channel 11. The inner wall of the second channel 12 of the outer wall of the cylinder 61 of the second one-way valve 7 is tightly and fixedly connected. The first pipeline 4 and the second pipeline 5 are both hoses, and a connecting cover 51 is arranged at the joint of the second pipeline 5 and the bottle mouth and matched with the bottle mouth. The connecting cover 51 is in threaded connection with the mouth of the storage bottle 3, and the connecting cover 51 is provided with an air outlet 52.

In the embodiment, the air inlet pipe 21 is arranged, so that the phenomenon that the negative pressure in the liquid medicine bottle is too large due to the suction of the liquid medicine to influence the smoothness of the suction of the liquid medicine can be prevented; by arranging the air outlet 52, the storage bottle is prevented from being compressed unsmoothly by the saccule 1 due to overlarge air pressure caused by the inflow of the liquid medicine, so that the liquid medicine sucking efficiency is prevented from being influenced. The using principle and the using method of the present embodiment are similar to those of embodiment 1, and are not described herein again.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. The utility model provides a medical manual negative pressure drain which characterized in that: comprises a balloon, a plug, a storage bottle, a first pipeline, a second pipeline, a first one-way valve and a second one-way valve; the balloon is an elastic ball with a middle cavity, a first channel and a second channel are respectively arranged at two opposite ends of the balloon, and the first channel and the second channel are both communicated with the middle cavity of the balloon; a through hole is formed in the plug, one end of the plug is a sharp end, the other end of the plug is connected with the first channel through a first pipeline, and the through hole is communicated with the first channel; a bottle opening is formed in the upper portion of the storage bottle and connected with the second channel through a second pipeline, and capacity scale marks are formed in the outer side wall of the storage bottle; the first one-way valve is arranged in the first channel, and liquid medicine enters the middle cavity of the balloon through the first one-way valve; the second one-way valve is arranged in the second channel, and the liquid medicine flows out of the middle cavity of the balloon through the second one-way valve.

2. The medical manual negative pressure drainage device of claim 1, wherein: the first one-way valve and the second one-way valve comprise movable membrane valves of a cylinder, wherein the movable membrane valves are arranged in the cylinder; the cylinder column of the first one-way valve is fixed in the first channel, and the cylinder column of the second one-way valve is fixed in the second channel.

3. The medical manual negative pressure drainage device of claim 1, wherein: the first pipeline and the second pipeline are both hoses.

4. The medical manual negative pressure drainage device of claim 1, wherein: the air inlet pipe is arranged on the plug, one end of the air inlet pipe is attached to the tip end of the plug, the other end of the air inlet pipe is a free end, and the free end is provided with an air filter.

5. The medical manual negative pressure drainage device of claim 1, wherein: the pipeline switching device further comprises an on-off valve which is arranged on the first pipeline and controls the first pipeline to be switched on and off.

6. The medical manual negative pressure drainage device of claim 1, wherein: the connecting part of the second pipeline and the bottle mouth is provided with a connecting cover, the connecting cover is arranged on the bottle mouth, and the second pipeline is connected with the connecting cover.

7. The medical manual negative pressure drainage device of claim 6, wherein: the connecting cover is in threaded connection with the storage bottle opening.

8. The medical manual negative pressure drainage device of claim 6, wherein: and the connecting cover is provided with an air outlet.