CN202875887U

CN202875887U - Manual sputum suction device

Info

Publication number: CN202875887U
Application number: CN 201220435159
Authority: CN
Inventors: 陈佩乔; 吴伟森; 黄芳梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-30
Filing date: 2012-08-30
Publication date: 2013-04-17
Anticipated expiration: 2022-08-30

Abstract

The utility model discloses a manual sputum suction device which comprises a sputum suction tube, a sputum collection bottle, a connecting tube and a negative pressure component. The sputum collection bottle is provided with a bottle cap for sealing, one end of the sputum suction tube is inserted into the bottle cap of the sputum collection bottle, one end of the connecting tube is also inserted into the bottle cap of the sputum collection bottle, and the other end of the connecting tube is connected with the negative pressure component. The negative pressure component comprises a shell, wherein a cylinder cavity is formed in the shell, a piston is arranged in the cylinder cavity, a handle is formed at the lower end of the shell, a movable pulling trigger is arranged in front of the handle, and the trigger is connected with and drives the piston through a transmission rod. A first one-way air valve is arranged at the front end of the cylinder cavity and connected with the connecting tube, a second one-way air valve is arranged on the piston, and a return spring for applying pushing force on the piston is further arranged in the cylinder cavity. The manual sputum suction device can be used without electricity, and is convenient to operate and carry, small in size, low in cost and especially suitable for outdoor first aid and home nursing.

Description

Manpower sputum aspirator

Technical field:

This utility model belongs to the technical field of medical apparatus and instruments, is specifically related to a kind of Manpower sputum aspirator.

Background technology

In hospital clinical nursing, first aid process, often need to use sputum aspirator.Existing sputum aspirator is generally electric sputum sucker, not only cost is high, heavy and be not easy to carry, more seriously must rely on power supply could work, rescue work is carried out in open air even field and emergency physician often need to be paid a home visit, generally can not find power supply at one's side patient in such cases, electric sputum sucker can't be used and delay emergency time.Equally, for home care, if having a power failure, then electric sputum sucker can not use.

In addition, terminal to sputum aspirator tube in order to ensure the negative pressure effective communication, the material of sputum aspirator tube must be with certain degree of hardness (if sputum aspirator tube is too soft, then sputum aspirator tube can be crushed and the loss negative pressure).And the sputum aspirator tube structure of existing sputum aspirator is common tubulose, its distal opening 11 is positioned at sputum aspirator tube 1 end face, be the mouth of pipe of sputum aspirator tube, as shown in Figure 1, bring so following two aspect problems: after 1, inserting throat 61, the opening 11(of sputum aspirator tube is the mouth of pipe) down, and patient's sputum 61 mainly is attached on the throat wall, so the mouth of pipe of sputum aspirator tube can not positive aim at sputum 62, as shown in Figure 1, be not easy rapidly the sputum sucking-off, suction sputum efficient is low; 2, in the insertion process, wall cross-section is directly stabbed patient's throat wall, and tube wall is thin, corner angle more swift and more fierce (shown in A, B point among Fig. 1), makes patient produce stronger sense of discomfort, even patient's throat wall mucosa that can stab.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned shortcoming and a kind of Manpower sputum aspirator is provided, and it can use under without electric condition, and is easy to operate.

Its purpose can realize by following scheme: this Manpower sputum aspirator comprises sputum aspirator tube, collection sputum bottle, connection tube, negative pressure component, the collection sputum bottle is established Packed bottle cap, one end of sputum aspirator tube inserts the bottle cap of collection sputum bottle, one end of connection tube also inserts the bottle cap of collection sputum bottle, and the other end of connection tube connects negative pressure component; Its main feature is, described negative pressure component comprises housing, forms a chamber in the housing, and a cylinder intracavity is provided with piston, is formed with lever in the lower end of housing, and the place ahead of lever is provided with the movable trigger of pulling, and trigger connects and driven plunger by drive link; Cylinder chamber front end is provided with the first Non-return air valve, and the first Non-return air valve connects described connection tube, and the flow direction of the first Non-return air valve is to flow to the cylinder chamber from connection tube; Piston is provided with the second Non-return air valve, the second Non-return air valve flow direction be that to flow to the cylinder chamber from cylinder intracavity section outside; Also be provided with back-moving spring to the piston applied thrust at the cylinder intracavity.

Be preferably, the end of described sputum aspirator tube is the semicircle sphere, and the opening of sputum aspirator tube end is positioned at the side of sputum aspirator tube.

Be more preferably, be connected with pressure regulator valve in the middle of the described connection tube.

The utlity model has following advantage and effect:

1, this utility model manual actuation need not depend on power supply, and easy to carry, volume is small and exquisite, cost is low, is particularly suitable for outdoor first aid, home care.

2, negative pressure component can singlehanded (right hand) be controlled, and makes the nursing staff can vacate the insertion depth of another hands (left hand) control sputum aspirator tube.

3, the sputum aspirator tube end face need not opening, so its end can seal as semicircle is spherical, inserts so the stimulation and the damage that significantly alleviate in the throat process throat wall mucosa.

4, the opening of sputum aspirator tube end is opened in the side of sputum aspirator tube, so this opening can positive aim at the sputum piece that adheres to the throat wall, makes the sucking-off of expectorant piece easy, and suction sputum efficient is high.

5, can regulate by pressure regulator valve the cross section of fluid channel size of connection tube, and then regulate the suction size.

Description of drawings

Fig. 1 is structure and the user mode schematic diagram of traditional sputum aspirator tube.

Fig. 2 is the structural representation of this utility model specific embodiment.

Fig. 3 is the structure for amplifying schematic diagram of the first (two) Non-return air valve among Fig. 2.

Fig. 4 is sputum aspirator tube terminal end shape, the structural representation of this utility model specific embodiment.

Fig. 5 is the terminal cross-sectional view of the sputum aspirator tube of this utility model specific embodiment.

Fig. 6 is the terminal user mode schematic diagram of the sputum aspirator tube of this utility model specific embodiment

The specific embodiment

Shown in Figure 2, this Manpower sputum aspirator comprises sputum aspirator tube 1, collection sputum bottle 2, connection tube 3, negative pressure component, and collection sputum bottle 2 is established Packed bottle cap 21, and an end of sputum aspirator tube 1 inserts the bottle cap 21 of collection sputum bottle, and an end of connection tube 3 also inserts the bottle cap 21 of collection sputum bottle.

Shown in Figure 2, described negative pressure component comprises housing 41, chamber 42 of housing 41 interior formation, and cylinder is provided with piston 43 in the chamber 42, also offers on the housing 41 to be communicated with extraneous pore 410.Be formed with lever 44 in the lower end of housing 41, the place ahead of lever 44 is provided with the movable trigger of pulling 45, and trigger 45 connects and driven plunger 43 by drive link 46; Cylinder chamber front end is provided with the other end that the first Non-return air valve 47, the first Non-return air valves 47 are connected to connection tube 3, and the flow direction of the first Non-return air valve 47 is to flow to cylinder chamber 42 from connection tube 3; Piston be provided with the second Non-return air valve 48, the second Non-return air valves flow direction be that to flow to the cylinder chamber from cylinder intracavity section outside; Also be provided with back-moving spring 49 to the piston applied thrust at the cylinder intracavity.Also be provided with connection tube support 31 in housing 41 the place aheads, connection tube support 31 is fixedly connected with the bottle cap 21 of collection sputum bottle, the housing 41 of negative pressure component respectively, described connection tube 3 adheres to and is installed on the connection tube support 31, be connected with pressure regulator valve 32 in the middle of the connection tube 3, this pressure regulator valve 32 is installed on the connection tube support 31, and the knob of pressure regulator valve 32 exposes.

Fig. 2, shown in Figure 3, the first Non-return air valve 47 is identical with the second Non-return air valve 48 structures, all is provided with the air inlet 51 with conicity, and the air inlet place of conicity is provided with spherical valve core 52, and spherical valve core is pressed by spring 53 tops of weak elastic force, and the spring back is provided with gas outlet 54.

Fig. 4, shown in Figure 5, the end of sputum aspirator tube 1 is the semicircle sphere, and the opening 11 of sputum aspirator tube end is positioned at the side of sputum aspirator tube.

Above-described embodiment work process and principle are as follows:

Hold lever 44, cocking 45 backward, and piston 43 is travelled forward, and make the gas storage smaller volume in a chamber 42, and it is large that internal pressure becomes, so the spool of the first Non-return air valve 47 is blocked more forward air inlet, and 47 sealings of the first Non-return air valve; And the spool of the second Non-return air valve backs down under the effect of draught head backward, and the second Non-return air valve 48 is opened, and cylinder chamber 42 internal gas are discharged backward;

Then, finger loosens trigger 45, under back-moving spring 49 effects, piston 43 moves backward, the gas storage volume in cylinder chamber becomes large, and internal pressure diminishes and forms negative pressure, and external atmosphere pressure is greater than the air pressure inside in cylinder chamber 42, the spool of this pressure official post the second Non-return air valve 48 is blocked more forward air inlet, 48 sealings of the second Non-return air valve; This pressure differential also makes the spool of the first Non-return air valve 47 back down backward, the first Non-return air valve 47 is opened, so the negative pressure in cylinder chamber is delivered to collection sputum bottle 2 by connecting 3 pipes, and then is delivered to sputum aspirator tube 1, make the sputum aspirator tube distal opening 11 that stretches into throat produce negative pressure and realize suction sputum.

Shown in Figure 6, when the sputum aspirator tube end stretched into throat 61 suction sputum, the opening 11 of sputum aspirator tube side faced sputum 62, so sputum easily is sucked out the suction sputum efficiently and accurately; And the sputum aspirator tube end face need not opening, can therefore not produce corner angle, and alleviating stimulates patient's throat 61.

In use, can regulate by pressure regulator valve 32 the cross section of fluid channel size of connection tube 3, and then regulate the suction size.

Claims

1. Manpower sputum aspirator, comprise sputum aspirator tube, collection sputum bottle, connection tube, negative pressure component, the collection sputum bottle is established Packed bottle cap, and an end of sputum aspirator tube inserts the bottle cap of collection sputum bottle, one end of connection tube also inserts the bottle cap of collection sputum bottle, and the other end of connection tube connects negative pressure component; It is characterized in that: described negative pressure component comprises housing, forms a chamber in the housing, and the cylinder intracavity is provided with piston, is formed with lever in the lower end of housing, and the place ahead of lever is provided with the movable trigger of pulling, and trigger connects and driven plunger by drive link; Cylinder chamber front end is provided with the first Non-return air valve, and the first Non-return air valve connects described connection tube, and the flow direction of the first Non-return air valve is to flow to the cylinder chamber from connection tube; Piston is provided with the second Non-return air valve, the second Non-return air valve flow direction be that to flow to the cylinder chamber from cylinder intracavity section outside; Also be provided with back-moving spring to the piston applied thrust at the cylinder intracavity; Be connected with pressure regulator valve in the middle of the described connection tube; The end of described sputum aspirator tube is the semicircle sphere, and the opening of sputum aspirator tube end is positioned at the side of sputum aspirator tube.