CN104758986B

CN104758986B - Separated type operation aspirator

Info

Publication number: CN104758986B
Application number: CN201510134413.3A
Authority: CN
Inventors: 王建军; 宋国权; 王新平
Original assignee: Mudanjiang Medical University
Current assignee: Mudanjiang Medical University
Priority date: 2015-03-26
Filing date: 2015-03-26
Publication date: 2017-02-01
Anticipated expiration: 2035-03-26
Also published as: CN104758986A

Abstract

The invention relates to a separated type operation aspirator. The separated type operation aspirator comprises a negative pressure generation device, a separating tube and an absorption tube; an air draft end of the negative pressure generation device is mounted at one end of the separating tube and the other end of the separating tube is connected with the absorption tube; a rotating shaft is fixedly mounted on a middle axle wire of the separating tube; a wind wheel is sleeved on the rotating shaft in a rotating manner; a speed reducing blade capable of moving transversely along the radial direction of the separating tube is mounted on the separating tube; a barrel-shaped liquid absorbing cavity is formed in the tube wall of the separating tube between the wind wheel and the negative pressure generation device; liquid absorbing holes are formed in inner wall of the liquid absorbing cavity in circumferential direction; a liquid guide tube connected with the liquid absorbing cavity is connected with the outer wall of the liquid absorbing cavity at one side; the aspirator can separate the absorbed percolate and the air, and the service life can be effectively prolonged; the suction of the sucker can be conveniently adjusted and the operation time can be saved.

Description

Divergence type operation suction apparatus

Technical field

The present invention relates to a kind of medical apparatus and instruments, particularly, it is a kind of suction pump.

Background technology

Suction pump is widely used in operation, it can suction out bleeding in operation, exudate, puss, in thoracic organ Content etc., make operation apparent, reduce the pollution probability in operation simultaneously；Traditional suction pump makes attraction by vacuum pump The port of device forms negative pressure, and then realizes the absorption of transudate；But the transudate absorbing can enter vacuum pump with gas, to true Empty pump pollutes, and impact equipment normally runs；It is in addition, different in the suction of the suction pump needed for different phase of operation, Suction is changed by replacing suction nozzle and can seriously drag slow operative speed, consume operative doctor muscle power and do not say, more can increase operation wind Danger.

Content of the invention

For the problems referred to above, the present invention provides a kind of divergence type operation suction apparatus, and this suction pump can be by oozing out of absorbing Liquid separates with gas, effectively increases the service life；The suction at suction nozzle can easily be adjusted simultaneously, save operating time.

For solving the above problems, the technical solution adopted in the present invention is: this divergence type operation suction apparatus include negative pressure Generator, separating pipe and absorption tube；Described separating pipe one end is arranged on the air draught end of negative pressure generating device, and the other end connects institute State absorption tube；The axis of described separating pipe is installed with rotating shaft；Described rotating shaft rotates and is arranged with wind wheel；Institute State that be also equipped with separating pipe can be along the deceleration blade of described separating pipe radial translation；One end that described deceleration blade puts in separating pipe is glued With friction plate, the rotation seat just to described wind wheel for the described friction plate；One end that described deceleration blade stretches out separating pipe is connected with pressure Spring, the other end of described stage clip is fixed on the outer wall of separating pipe；And described compression spring sleeve stretches out the one of separating pipe located at deceleration blade Duan Shang；Offer in annular cylinder shape in the tube wall of one section of described separating pipe between described wind wheel and described negative pressure generating device Imbibition chamber；On the inwall of described imbibition chamber, circumference is evenly equipped with imbibing hole, and on the outer wall of described imbibition chamber, side is connected to and imbibition The catheter of chamber connection.

The invention has the beneficial effects as follows: after electric power starting, negative pressure generating device makes air draught end produce negative pressure, and this negative pressure makes Lasting the entering from absorption tube of outside air；Air will drive described wind wheel high-speed rotation when flowing through separating pipe, and air is in wind Produce rotation in the presence of wheel, produce the air-flow of high-speed rotation therefore from wind wheel in the body at air draught end；When using, attract Device makes transudate flow into from absorption tube by suction function, and when transudate flows through separating pipe, described wind wheel high-speed rotation will be oozed Go out liquid and be dispersed as droplet, described droplet advance with the air-flow high-speed rotation at wind wheel rear；Due to the effect of centrifugal force, little Drop disperses to tube wall along separating pipe radial direction to surrounding, and the droplet splashing to tube wall enters imbibition chamber by imbibing hole, Discharge from catheter eventually；This structure achieves the separation of transudate and gas, effectively prevents transudate from entering negative pressure with air-flow and produces Generating apparatus, thus avoiding transudate pollution negative pressure generating device, effectively extend the service life of the present invention.

In the suction needing fine setting to absorb tube end, only described deceleration blade need to be pressed inward against, the friction plate on deceleration blade The rotation seat of contact wind wheel and then obstruction wind wheel rotation；According to hydrodynamics, wind speed round is less, more hinders empty in body Flow of air；Therefore, wind speed round is lower, and in body, flow velocity is slower, and the negative pressure absorbing tube end is less, and therefore suction is also less； It is the suction of fine-tuning absorption tube by the dynamics controlling pressing deceleration blade；Structure is simple, simple operation, removes in high-efficient cleaning and oozes out Effectively prevent from while liquid crossing the microvascular at ambassador's surgical wound because of suction；Make suction pump safer, convenient.

Preferably, being provided with filter membrane at described air draught end；In order to removing the droplet in air-flow further it is ensured that Cleaning within negative pressure generating device.

Preferably, the exhaust end in described negative pressure generating device is provided with depurator；In order to remove the disease in air-flow Malicious molecule is it is ensured that by negative pressure generating device expellant gas safety, health.

Brief description

Fig. 1 is the structural representation of one embodiment of this divergence type operation suction apparatus.

Fig. 2 is the end face mplifying structure schematic diagram of separating pipe in embodiment illustrated in fig. 1.

Specific embodiment

In embodiment shown in Fig. 1, Fig. 2, this divergence type operation suction apparatus include negative pressure generating device 1, separating pipe 2 With absorption tube 3；At the air draught end 11 of described negative pressure generating device 1, filter membrane is installed, exhaust end 12 is provided with depurator；Described Negative pressure generating device 1 has various structures, and common structure can be vacuum pump；Described separating pipe 2 one end is arranged on described air draught On end 11, the other end connects described absorption tube 3；The axis of described separating pipe 2 is installed with rotating shaft 21；At described turn Rotate on axle 21 and be arranged with wind wheel 22；Being also equipped with described separating pipe 2 can be along the deceleration blade of described separating pipe 2 radial translation 23；One end that described deceleration blade 23 puts in separating pipe 2 is stained with friction plate, the rotation seat just to described wind wheel 22 for the described friction plate 221；One end that described deceleration blade 23 stretches out separating pipe 2 is connected with stage clip, and the other end of described stage clip is fixed on the outer of separating pipe 2 On wall；And described compression spring sleeve is on a section that deceleration blade 23 stretches out separating pipe 2；Under naturalness, described deceleration blade 23 is in pressure Keep not contacting with described rotation seat 221 in the presence of spring；Between described wind wheel 22 and described negative pressure generating device 1 one section The imbibition chamber 24 in annular cylinder shape is offered in the tube wall of described separating pipe 2；On the inwall of described imbibition chamber 24, circumference is evenly equipped with Imbibing hole, the not shown imbibing hole of in figure；On the outer wall of described imbibition chamber 24, side is connected to the catheter 4 connecting with imbibition chamber 24.

After electric power starting, negative pressure generating device 1 make air draught end 11 produce negative pressure, this negative pressure make outside air lasting from Absorption tube 3 enters；Air will drive described wind wheel 22 high-speed rotation when flowing through separating pipe 2, and air is in the presence of wind wheel 22 Produce rotation, produce the air-flow of high-speed rotation therefore from wind wheel 22 in the body at air draught end 11；When using, suction pump passes through Suction function makes transudate flow into from absorption tube 3, and when transudate flows through separating pipe 2, the high-speed rotation of described wind wheel 22 will be oozed out Liquid is dispersed as droplet, and described droplet advance with the air-flow high-speed rotation at wind wheel 22 rear；Due to the effect of centrifugal force, little Drop disperses to tube wall along separating pipe 2 radial direction to surrounding, and the droplet splashing to tube wall enters imbibition chamber 24 by imbibing hole, Finally discharge from catheter 4；This structure achieves the separation of transudate and gas, effectively prevents transudate from entering negative pressure with air-flow Generator 1, the droplet that the filter membrane being arranged on air draught end 11 can be removed in air-flow further is it is ensured that negative pressure generating device Cleaning within 1；Thus avoiding transudate pollution negative pressure generating device 1, effectively extend the service life of the present invention；Pacify simultaneously The viruses molecule that the depurator being contained in exhaust end 12 can be removed in air-flow is it is ensured that pacified by negative pressure generating device 1 expellant gas Entirely, health.

In the suction needing to finely tune absorption tube 3 end, only described deceleration blade 23, rubbing on deceleration blade 23 need to be pressed inward against Pad contacts the rotation seat 221 of wind wheel 22 and then hinders wind wheel 22 to rotate；According to hydrodynamics, wind wheel 22 rotating speed is less, More hinder air flow in body；Therefore, wind wheel 22 rotating speed is lower, and in body, flow velocity is slower, and the negative pressure of absorption tube 3 end is got over Little, therefore suction is also less；It is the suction of fine-tuning absorption tube 3 by the dynamics controlling pressing deceleration blade 23；Structure is simple, behaviour It is convenient to make, and effectively prevents from crossing the microvascular at ambassador's surgical wound because of suction while high-efficient cleaning removes transudate；So that Suction pump is safer, convenient.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.

Claims

1. a kind of divergence type operation suction apparatus, this divergence type operation suction apparatus include negative pressure generating device (1), separating pipe (2) With absorption tube (3)；Described separating pipe (2) one end is arranged on the air draught end (11) of negative pressure generating device (1), and the other end connects described Absorption tube (3)；It is characterized in that: rotating shaft (21) is installed with the axis of described separating pipe (2)；In described rotating shaft (21) upper rotation is arranged with wind wheel (22)；Being also equipped with described separating pipe (2) can be along described separating pipe (2) radial translation Deceleration blade (23)；One end that described deceleration blade (23) puts in separating pipe is stained with friction plate, and described friction plate is just to described wind wheel (22) rotation seat (221)；One end that described deceleration blade (23) stretches out separating pipe (2) is connected with stage clip, described stage clip another End is fixed on the outer wall of separating pipe (2)；And described compression spring sleeve stretches out on one section of separating pipe (2) located at deceleration blade (23)；? Offer in ring cylinder in the tube wall of one section between described wind wheel (22) and described negative pressure generating device (1) described separating pipe (2) The imbibition chamber (24) of shape；On the inwall of described imbibition chamber (24), circumference is evenly equipped with imbibing hole, outer in described imbibition chamber (24) On wall, side is connected to the catheter (4) connecting with imbibition chamber (24).

2. divergence type operation suction apparatus according to claim 1 it is characterised in that: be provided with described air draught end (11) Filter membrane.

3. divergence type operation suction apparatus according to claim 1 and 2 it is characterised in that: in described negative pressure generating device (1) Exhaust end (12) depurator is installed.