CN211214416U - Elastic syringe device for extracting liquid medicine - Google Patents

Abstract

A kind of elasticity type injector device which extracts the liquid medicine, set up the tie rod in the syringe, the lower end of tie rod sets up the piston, the upper end of tie rod exposes the central hole in the top of syringe and sets up the clamp plate, the periphery of syringe sets up the outer tube, the bottom of outer tube sets up the annular bottom plate, the syringe sees through the hole of the annular bottom plate, the top of outer tube sets up the roof, the upper end of tie rod sees through the centre hole of the roof, near the lower end department sets up the annular baffle in the outer tube, the periphery of syringe, inner periphery of outer tube, set up the spring between baffle and roof, the upper end of tie rod exposes the periphery of top of syringe near the clamp plate and sets up the snap ring, the peripheral middle part of the snap ring sets up the annular neck, the central; elasticity through spring self replaces nurse's manpower to upwards promote pull rod and piston, can realize easily extracting the liquid medicine, alleviates intensity of labour, and the protection doctor or nurse's is healthy.

Description

Elastic syringe device for extracting liquid medicine

Technical Field

The utility model relates to a medical injector, in particular to an elastic injector device for extracting liquid medicine.

Background

The syringe is the medical appliances who uses commonly used, mainly used draw the liquid medicine and jet out the liquid medicine, and the syringe comprises syringe needle and inside piston core bar that matches with it, and the patient of hospital is more, and the number of times that doctor or nurse used the syringe every day is more, and a large amount of back to the liquid medicine extraction need consume great strength, can cause finger muscle pain, influences normal nursing work, influences nursing staff's healthy. How to easily extract the liquid medicine and reduce the labor intensity of a doctor or a nurse in the process of extracting the liquid medicine by using a syringe becomes a technical problem which is difficult to solve for a long time.

In view of the above, a syringe device for elastically drawing a medical fluid has been developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming not enough among the prior art, provide an injector device of elasticity formula extraction liquid medicine, replace nurse's manpower to upwards promote pull rod and piston through the elasticity of spring self, realize inhaling the syringe with the liquid medicine in the medicine bottle in, can realize easily extracting the liquid medicine, alleviate doctor or nurse and use the syringe at the intensity of labour of extraction liquid medicine process, protected doctor or nurse's healthy.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a syringe device for elastically drawing a medical fluid, comprising: the injection tube, a connecting tube, a pull rod, a piston, a pressing plate, a wire passing hole, a bump, a pull wire, a pull ring, an outer tube, a bottom plate, a baffle, a spring, a top plate, a clamping ring, a clamping groove, a limiting groove and a limiting column; the syringe lower extreme sets up the connecting pipe, set up the pull rod in the syringe, the pull rod lower extreme sets up the piston, the pull rod upper end exposes syringe top centre bore and sets up the clamp plate, the syringe periphery sets up the outer tube, the outer tube bottom sets up annular bottom plate, the syringe sees through the hole of annular bottom plate, the outer tube top sets up the roof, the pull rod upper end sees through the centre bore of roof, be close to lower extreme department in the outer tube and set up annular baffle, the periphery of syringe, the interior week of outer tube, set up the spring between baffle and the roof, the pull rod upper end exposes the periphery that the syringe top is close to clamp plate department and sets up the snap ring, snap ring periphery middle part sets up annular draw-in groove, the downthehole edge that all edges in the centre bore of roof set up in the draw-in groove, outer.

The two sides of the pressing plate are provided with a pair of wire passing holes, the two sides of the lower end of the injection tube are provided with a pair of convex blocks, the lower end of the pull wire is in butt joint with the convex blocks, and the upper end of the pull wire is in butt joint with the pull ring through the wire passing holes.

The vertical part of the 7-shaped limiting groove is parallel to the axial lead of the injection tube, and the included angle between the horizontal part and the vertical part of the limiting groove is 60-80 degrees.

The outer pipe, the bottom plate, the baffle plate and the top plate are integrally formed.

The injection tube and the outer tube are made of the same material and are made of transparent materials.

The operation principle is as follows: the state of the product when sealed in the sterile packaging bag is that the spring is in a compressed state, the top end of the injection tube is close to the top plate of the outer tube, and the limiting column is positioned at the lowest end of the transverse part of the limiting groove. When the packaging bag is disassembled for use, the injection needle is firstly arranged on the connecting pipe, then the needle is inserted into the medicine bottle, the lower end of the injection tube is held by one hand, the outer tube is rotated by the other hand, the limiting column is moved upwards from the lowest end of the transverse part of the limiting groove to the vertical part of the limiting groove, at the moment, the limiting column loses the clamping effect on the outer tube, the self elasticity of the spring pushes the top plate of the outer tube upwards, the outer tube moves upwards, the peripheral edge in the central hole of the top plate is arranged in the clamping groove, the outer tube drives the pull rod to move upwards through the clamping ring, the pull rod drives the piston to move upwards to suck the medicine liquid in the medicine bottle into the injection tube, the self elasticity of the spring replaces the manual force of a nurse to lift the pull rod and the piston upwards, when in injection, the index finger and the middle finger are inserted into the two, meanwhile, the pull rod drives the outer pipe to move downwards through the clamping ring to apply pressure to the spring, so that the spring is shortened. The product with the pull wire and the pull ring can be produced according to the requirements of a hospital, the product without the pull wire and the pull ring can also be produced, when the product without the pull wire and the pull ring is injected, the index finger and the middle finger of the left hand pinch the lower end of the injection tube, and the thumb of the right hand downwards applies pressure to the pressing plate.

The utility model has the advantages that: elasticity through spring self replaces nurse's manpower upwards to promote pull rod and piston, realizes in inhaling the injection syringe with the liquid medicine in the medicine bottle, can realize easily extracting the liquid medicine, alleviates doctor or nurse and uses the syringe at the intensity of labour of extraction liquid medicine process, has protected doctor or nurse's healthy.

The utility model discloses simple structure, convenient operation, low in manufacturing cost, the low price, it is small and exquisite, portable, the result of use ideal has solved the technological problem that has been difficult to solve for a long time, and this product has been commented on with the unanimous of academy's expert and numerous patients since releasing, has improved the nursing quality, is fit for generally popularizing and applying.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic view of the assembly structure;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

in fig. 1 and 2: the injection tube comprises an injection tube 1, a connecting tube 2, a pull rod 3, a piston 4, a pressing plate 5, a wire passing hole 5-1, a bump 6, a pull wire 6-1, a pull ring 6-2, an outer tube 7, a bottom plate 8, a baffle plate 9, a spring 10, a top plate 11, a clamping ring 12, a clamping groove 13, a limiting groove 14 and a limiting column 15.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings:

the lower end of an injection tube 1 is provided with a connecting tube 2, a pull rod 3 is arranged in the injection tube 1, the lower end of the pull rod 3 is provided with a piston 4, the upper end of the pull rod 3 is exposed out of a central hole at the top of the injection tube 1 and is provided with a pressing plate 5, the periphery of the injection tube 1 is provided with an outer tube 7, the bottom of the outer tube 7 is provided with an annular bottom plate 8, the injection tube 1 penetrates through an inner hole of the annular bottom plate 8, the top of the outer tube 7 is provided with a top plate 11, the upper end of the pull rod 3 penetrates through a central hole of the top plate 11, an annular baffle plate 9 is arranged at the position close to the lower end in the outer tube 7, a spring 10 is arranged between the baffle plate 9 and the top plate 11, the periphery of the upper end of the pull rod 3, which is exposed out of the top of the injection tube 1 and is close to the pressing plate 5, the middle, the limiting column 15 is arranged in the limiting groove 14.

The two sides of the pressing plate 5 are provided with a pair of wire through holes 5-1, the two sides of the lower end of the injection tube 1 are provided with a pair of convex blocks 6, the lower end of the pull wire 6-1 is in butt joint with the convex blocks 6, and the upper end of the pull wire 6-1 is in butt joint with the pull ring 6-2 through the wire through holes 5-1.

The vertical part of the 7-shaped limiting groove 14 is parallel to the axial lead of the injection tube 1, and the included angle between the horizontal part and the vertical part of the limiting groove 14 is 60-80 degrees.

The outer pipe 7, the bottom plate 8, the baffle plate 9 and the top plate 11 are integrally formed.

The injection tube 1 and the outer tube 7 are made of the same material and are made of transparent materials.

Claims (5)

1. A syringe device for elastically drawing a medical fluid, comprising: the injection device comprises an injection tube (1), a connecting tube (2), a pull rod (3), a piston (4), a pressing plate (5), a wire passing hole (5-1), a convex block (6), a pull wire (6-1), a pull ring (6-2), an outer tube (7), a bottom plate (8), a baffle plate (9), a spring (10), a top plate (11), a clamping ring (12), a clamping groove (13), a limiting groove (14) and a limiting column (15); the method is characterized in that: the lower end of an injection tube (1) is provided with a connecting tube (2), a pull rod (3) is arranged in the injection tube (1), the lower end of the pull rod (3) is provided with a piston (4), the upper end of the pull rod (3) is exposed out of a center hole at the top of the injection tube (1) to be provided with a pressing plate (5), the periphery of the injection tube (1) is provided with an outer tube (7), the bottom of the outer tube (7) is provided with an annular bottom plate (8), the injection tube (1) penetrates through an inner hole of the annular bottom plate (8), the top of the outer tube (7) is provided with a top plate (11), the upper end of the pull rod (3) penetrates through a center hole of the top plate (11), an annular baffle plate (9) is arranged at the position close to the lower end in the outer tube (7), the periphery of the injection tube (1), the inner periphery of the outer tube (7), a spring (10) is arranged, annular clamping groove (13) is arranged in the middle of the periphery of clamping ring (12), the edge of the inner periphery of the central hole of top plate (11) is arranged in clamping groove (13), 7-shaped limiting groove (14) is arranged on one side of the lower end of outer tube (7), limiting column (15) is arranged on the lower portion of one side of injection tube (1), and limiting column (15) is arranged in limiting groove (14).

2. A syringe device for drawing a medical liquid by elasticity, according to claim 1, wherein: a pair of wire through holes (5-1) are formed in two sides of the pressing plate (5), a pair of convex blocks (6) are arranged on two sides of the lower end of the injection tube (1), the lower end of the pull wire (6-1) is in butt joint with the convex blocks (6), and the upper end of the pull wire (6-1) is in butt joint with the pull ring (6-2) through the wire through holes (5-1).

3. A syringe device for drawing a medical liquid by elasticity, according to claim 1, wherein: the vertical part of the 7-shaped limiting groove (14) is parallel to the axial lead of the injection tube (1), and the included angle between the horizontal part and the vertical part of the limiting groove (14) is 60-80 degrees.

4. A syringe device for drawing a medical liquid by elasticity, according to claim 1, wherein: the outer pipe (7), the bottom plate (8), the baffle plate (9) and the top plate (11) are integrally formed.

5. The elastic type medical liquid syringe apparatus as set forth in claim 4, wherein: the injection tube (1) and the outer tube (7) are made of the same material and are made of transparent materials.

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