CN101912645A

CN101912645A - Pneumatic device for intravenous infusion

Info

Publication number: CN101912645A
Application number: CN 201010238476
Authority: CN
Inventors: 崔浩; 周四骏
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-28
Filing date: 2010-07-28
Publication date: 2010-12-15

Abstract

The invention discloses a pneumatic device for intravenous infusion, relates to a pneumatic device and aims to solve the problems that the conventional intravenous infusion needs an infusion bottle bracket for hanging an infusion bottle, which is inconvenient for a patient who needs to move. A spring and a plug are arranged inside a spring seat; an opening baffle sheet is fixed at the outermost end of the spring seat; and a sealing gasket is fixed on the inner side of the opening baffle sheet and is matched with the plug. A cylinder is fixed on a base; an overhead valve is fixed on the base inside the cylinder; a plastic gasket base is fixed on an outer wall of the overhead valve; a plastic gasket is arranged on the plastic gasket base; one end of an air outlet adapter is communicated with the overhead valve; internal threads are formed on an inner wall of the cylinder; and the internal threads of the cylinder are matched with external threads of a tank body. The pneumatic device has the inflation pressure of 0.6 to 1 MPa and the inflation capacity of 500 to 600 cubic centimeters, can be used for 2,000ml of liquid medicine for intravenous infusion, and has the advantages of convenient carrying, high safety, easy disinfection and convenient replacement.

Description

The pneumatic shuttle that is used for intravenous drip

Technical field

The present invention relates to a kind of pneumatic shuttle.

Background technology

Present intravenous drip needs hanging bottle support and hangs infusion bottle, has some modern hospitals to bury the suspension that is used to hang infusion bottle in advance underground on the ceiling of ward, and sufferer the time usually will be sat in transfusion and be crouched in bed or on the chair.Then very inconvenient for the active sufferer of need, go toilet convenient convenient, go dining room to have a meal, in hospital, take a walk etc., often can see have the people aside hands lift transfusion bottle and accompany the patient together to come in and go out.For severe patient, need timely a large amount of medicinal liquid patients of replenishing, for the pressure that guarantees transfusion usually needs the infusion bottle rising is hung on the hanging bottle support, to obtain transfusion speed faster.In recent years there is Crinis Carbonisatus to understand that the infusion set of pressurization is used for replacing hanging bottle support, but, do not commercially produce so far, also do not have the precedent of practical application because the problem that runs into is more.

Summary of the invention

The objective of the invention is for solving existing intravenous drip, need hanging bottle support and hang infusion bottle, have some modern hospitals to bury the suspension that is used to hang infusion bottle in advance underground on the ceiling of ward, sufferer the time usually will be sat in transfusion and be crouched in bed or on the chair.Then very inconvenient problem for the active sufferer of need provides a kind of pneumatic shuttle that is used for intravenous drip.

The present invention includes air accumulator body and outlet nozzle, spin or peg graft between air accumulator body and the outlet nozzle.

The air accumulator body comprises tank body, spring base, spring, obstruction, sealing gasket and jar mouthful catch, spring base is fixed in the jar mouth of tank body, spring and obstruction are arranged in the spring base, jar mouthful catch is fixed on the outermost end of spring base, sealing gasket is fixed on jar inboard of mouthful catch, sealing gasket matches with obstruction, and the jar mouth outside of tank body is provided with external screw thread.

Outlet nozzle comprises cylinder, plastic pad, base, overhead-valve, plastic cement base and outgoing gas connection tube, cylinder is fixed on the base, overhead-valve is fixed on the interior base of cylinder, the plastic cement base is fixed on the outer wall of overhead-valve, plastic pad is arranged on the plastic cement base, one end of outgoing gas connection tube is connected with overhead-valve, and the inwall of cylinder is provided with female thread, and the female thread of cylinder matches with the external screw thread of tank body.

Beneficial effect of the present invention: the source of the gas problem that the invention solves intravenous drip, air accumulator bulk volume of the present invention is little, the blowing pressure is 0.6～1MPa, capacity is 500～600 cubic centimetres, can use for intravenous drip 2000ml medicinal liquid, easy to carry, safety is good, sterilization easily is convenient to change.The compressed air that charges into can be through the disinfectant clean gas, in the compressed air that charges into due to illness human needs add a certain amount of oxygen.Even in the corridor of hospital, infuse, can not feed unclean air in the medicinal liquid yet.The present invention can carry together with medicinal liquid, and the patient can go toilet to go to toilet, go dining room to have a meal easily, makes things convenient for the patient to carry out other activities simultaneously intravenous, also is applicable to and rescues the wounded, military first aid etc.The present invention has changed intravenous drip must be with the present situation of support.

Description of drawings

Fig. 1 is the structural representation that spins between the air accumulator body 1 that provides of the specific embodiment of the present invention and the outlet nozzle 2,

Fig. 2 is the structure for amplifying sketch map of air accumulator body 1 among Fig. 1,

Fig. 3 is the structure for amplifying sketch map of outlet nozzle 2 among Fig. 1,

Fig. 4 is the annexation sketch map of the present invention when using,

Fig. 5 is the structural representation of relief valve 9 among Fig. 4,

Fig. 6 is the structural representation that drips among Fig. 4 after kettle 5 amplifies,

Fig. 7 is the structural representation of pegging graft between the air accumulator body 1 that provides of the specific embodiment and the outlet nozzle 2.

The specific embodiment

The specific embodiment one: in conjunction with Fig. 1～Fig. 3 present embodiment is described, present embodiment comprises air accumulator body 1 and outlet nozzle 2, spins or pegs graft between air accumulator body 1 and the outlet nozzle 2.

Air accumulator body 1 comprises tank body 1-1, spring base 1-2, spring 1-3, stops up 1-5, sealing gasket 1-6 and jar mouthful catch 1-7, spring base 1-2 is fixed in the jar mouth of tank body 1-1, spring 1-3 and obstruction 1-5 are arranged in the spring base 1-2, jar mouthful catch 1-7 is fixed on the outermost end of spring base 1-2, sealing gasket 1-6 is fixed on jar inboard of mouthful catch 1-7, sealing gasket 1-6 matches with stopping up 1-5, and the jar mouth outside of tank body 1-1 is provided with external screw thread 1-4.

Outlet nozzle 2 comprises cylinder 2-1, plastic pad 2-3, base 2-4, overhead-valve 2-5, plastic cement base 2-6 and outgoing gas connection tube 2-7, cylinder 2-1 is fixed on the base 2-4, overhead-valve 2-5 is fixed on the interior base 2-4 of cylinder 2-1, plastic cement base 2-6 is fixed on the outer wall of overhead-valve 2-5, plastic pad 2-3 is arranged on the plastic cement base 2-6, the end of outgoing gas connection tube 2-7 is connected with overhead-valve 2-5, the inwall of cylinder 2-1 is provided with female thread 2-2, and the female thread 2-2 of cylinder 2-1 matches with the external screw thread 1-4 of tank body 1-1.

The specific embodiment two: present embodiment is described in conjunction with Fig. 7, the air accumulator body 1 of present embodiment comprises tank body 1-1, block 1-11, the valve body 1-12 of check valve, one-way valve spring 1-13, glass bead 1-14, cover 1-16 and sealing ring 1-17, the jar mouth of cover 1-16 and tank body 1-1 spins, between the jar of cover 1-16 and tank body 1-1 mouthful the end of the valve body 1-12 of check valve, clamped along 1-18, the end of the valve body 1-12 of check valve, be provided with sealing ring 1-17 between the jar mouth of 1-18 and tank body 1-1, one-way valve spring 1-13 and glass bead 1-14 are arranged in the valve body 1-12 of check valve, block 1-11 is fixed on the upper end of the valve body 1-12 of check valve, has passage 1-15 on the valve body 1-12 of check valve.

Outlet nozzle 2 comprises breather 2-12, sealing ring 2-13, support 2-14, non-return claw 2-15 and ventilation base 2-16, have air inlet 2-11 on the breather 2-12, the lower end of breather 2-12 is connected with the upper end of ventilation base 2-16, support 2-14 is fixed on the outer wall of ventilation base 2-16, non-return claw 2-15 is hinged on the support 2-14, sealing ring 2-13 is arranged between cover 1-16 and the ventilation base 2-16, has venthole 2-17 on the ventilation base 2-16.

During use, hold tank body 1-1, the jar of tank body 1-1 mouthful is inserted downwards non-return claw 2-15, the barb on the non-return claw 2-15 catches on the cover 1-16 on the jar mouth, sealing ring 2-13 will cover 1-16 and ventilation base 2-16 between seal.Breather 2-12 enters in the valve body 1-12 of check valve glass bead 1-14 jack-up, makes valve body 1-12, the breather 2-12 of the gas of tank body 1-1 by check valve, flows out through the venthole 2-17 on the ventilation base 2-16.

The specific embodiment three: present embodiment is described in conjunction with Fig. 1 and Fig. 7, present embodiment also comprises pressure display unit 10, pressure display unit 10 is arranged in the tank body 1-1, pressure display unit 10 is made up of transparent tube 10-1 and piston 10-2, piston 10-2 is arranged in the transparent tube 10-1, and the outer surface of transparent tube 10-1 is provided with scale.Tank body 1-1 can be made of plastics, and pressure display unit 10 is fixed in the tank body 1-1, after inflation in the tank body 1-1, because tank body 1-1 internal pressure increases, piston 10-2 is inwardly advanced, otherwise then outwards withdraws from, piston nose the force value of scale everywhere in being exactly jar.Other are identical with the specific embodiment one or two.

The specific embodiment four: in conjunction with Fig. 1～Fig. 6 present embodiment is described, present embodiment is the embodiment of an application.After inflating in the tank body 1-1, to spin between air accumulator body 1 and the outlet nozzle 2, propelling along with screw thread, stop up 1-5 by overhead-valve 2-5 jack-up in tank body 1-1, gas in jar flows in the outlet nozzle 2 by the through hole 1-9 on through hole 1-8 on the spring base 1-2 and jar mouthful catch 1-7, enter in the infusion bottle 4 through air relief valve 3 by outgoing gas connection tube 2-7 again, during use infusion bottle 4 and drip kettle 5 all must be upright, the medicinal liquids in the infusion bottle 4 are flowed through and are dripped a kettle 5, tube for transfusion 6, control valve 7 and syringe needle 8 and enter in the patient body.Dripping kettle 5 is made up of shell 5-1, float 5-2 and medicine liquid outlet 5-3, the lower end of float 5-2 is provided with the beveled tip 5-4 that matches with medicine liquid outlet 5-3, after floating float 5-2, medicinal liquid 5-5 can infuse, after medicinal liquid in dripping kettle 5 is totally lost, float 5-2 descends, beveled tip 5-4 below the float 5-2 blocks medicine liquid outlet 5-3 fully, compressed air can not enter tube for transfusion 6 downwards, remaining medicinal liquid no longer continues to enter in patient's the body in the tube for transfusion 6, thereby can guarantee patient's transfusion safety.

Further, a relief valve 9 is set between air relief valve 3 and infusion bottle 4 again, and relief valve 9 is made up of valve body 9-1 and quantitative ball 9-2, and quantitatively ball 9-2 is arranged in the valve body 9-1, when pressure one timing, quantitatively ball 9-2 is suspended in the valve body 9-1, makes the gas in the tank body 1-1 unblocked, if air relief valve is malfunctioning, pressure in the valve body 9-1 strengthens, quantitatively ball 9-2 will float and stop up the outlet of valve body 9-1, makes medicinal liquid stop to instil, thereby further guarantees patient's transfusion safety.

Claims

1. pneumatic shuttle that is used for intravenous drip, comprising: air accumulator body (1) and outlet nozzle (2) is characterized in that: spin or peg graft between air accumulator body (1) and the outlet nozzle (2).

2. the pneumatic shuttle that is used for intravenous drip according to claim 1, it is characterized in that: air accumulator body (1) comprises tank body (1-1), spring base (1-2), spring (1-3), stop up (1-5), sealing gasket (1-6) and jar mouthful catch (1-7), spring base (1-2) is fixed in the jar mouth of tank body (1-1), spring (1-3) and obstruction (1-5) are arranged in the spring base (1-2), jar mouthful catch (1-7) is fixed on the outermost end of spring base (1-2), sealing gasket (1-6) is fixed on jar inboard of mouthful catch (1-7), sealing gasket (1-6) matches with stopping up (1-5), and the jar mouth outside of tank body (1-1) is provided with external screw thread (1-4).

3. the pneumatic shuttle that is used for intravenous drip according to claim 2, it is characterized in that: outlet nozzle (2) comprises cylinder (2-1), plastic pad (2-3), base (2-4), overhead-valve (2-5), plastic cement base (2-6) and outgoing gas connection tube (2-7), cylinder (2-1) is fixed on base (2-4), overhead-valve (2-5) is fixed on the interior base (2-4) of cylinder (2-1), plastic cement base (2-6) is fixed on the outer wall of overhead-valve (2-5), plastic pad (2-3) is arranged on the plastic cement base (2-6), one end of outgoing gas connection tube (2-7) is connected with overhead-valve (2-5), the inwall of cylinder (2-1) is provided with female thread (2-2), and the female thread (2-2) of cylinder (2-1) matches with the external screw thread (1-4) of tank body (1-1).

4. the pneumatic shuttle that is used for intravenous drip according to claim 1, it is characterized in that: air accumulator body (1) comprises tank body (1-1), block (1-11), the valve body of check valve (1-12), one-way valve spring (1-13), glass bead (1-14), cover (1-16) and sealing ring (1-17), the jar mouth of cover (1-16) and tank body (1-1) spins, between the jar of cover (1-16) and tank body (1-1) mouthful the end of the valve body (1-12) of check valve, clamped along (1-18), the end of the valve body of check valve (1-12), be provided with sealing ring (1-17) between the jar mouth of (1-18) and tank body (1-1), one-way valve spring (1-13) and glass bead (1-14) are arranged in the valve body (1-12) of check valve, block (1-11) is fixed on the upper end of the valve body (1-12) of check valve, has passage (1-15) on the valve body of check valve (1-12);

Outlet nozzle (2) comprises breather (2-12), sealing ring (2-13), support (2-14), non-return claw (2-15) and ventilation base (2-16), have air inlet (2-11) on the breather (2-12), the lower end of breather (2-12) is connected with the upper end of ventilation base (2-16), support (2-14) is fixed on the outer wall of ventilation base (2-16), non-return claw (2-15) is hinged on the support (2-14), sealing ring (2-13) is arranged between cover (1-16) and the ventilation base (2-16), has venthole (2-17) on the ventilation base (2-16).

5. according to claim 1,2, the 3 or 4 described pneumatic shuttles that are used for intravenous drip, it is characterized in that: described air accumulator also comprises pressure display unit (10), pressure display unit (10) is arranged in the tank body (1-1), pressure display unit (10) is made up of transparent tube (10-1) and piston (10-2), piston (10-2) is arranged in the transparent tube (10-1), and the outer surface of transparent tube (10-1) is provided with scale.