CN217548701U

CN217548701U - Medical improvement type anti-pollution syringe

Info

Publication number: CN217548701U
Application number: CN202220006494.4U
Authority: CN
Inventors: 王海荣; 朱小宇; 楚小华; 洪锦
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-10-11
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to the technical field of medical equipment, and a medical improvement type anti-pollution syringe is disclosed, a drainage section of thick bamboo and piston including one end fixedly connected with connecting pipe, the surface threaded connection of connecting pipe has the sealed lid that is used for sealing, the inside wall fixedly connected with of sealed lid is used for improving the sealing washer of closure, the inner wall of sealing washer is pegged graft and is had the slidable pull rod, the constant head tank that is used for the location is offered to the surface of pull rod. This anti-pollution syringe of medical improvement type, through the setting of scraper blade, can be when the pull rod stimulates, scrape the inside wall of a drainage section of thick bamboo and get to avoid the piston to be stained with dust or germ in the air when removing, and scrape respectively through a plurality of scraper blades and get, can guarantee that the piston is not contaminated, through the setting of piston, also can utilize the surface that is close to pull rod one end to scrape and get, guarantee the cleanness of a drainage section of thick bamboo again, be contaminated when avoiding the liquid medicine to inhale.

Description

Medical improvement type anti-pollution syringe

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a medical improved anti-pollution injector.

Background

The appearance of a syringe is an epoch-making revolution in the field of medical devices, the process of extracting with a needle and injecting gas or liquid is called injection, the syringe consists of a syringe with a small hole at the front end and a matched piston core rod and is used for injecting a small amount of liquid or injecting the liquid into an area which cannot be accessed by other methods or extracting the liquid or the gas from the area, the small hole at the front end of the syringe sucks the liquid or the gas when the core rod is pulled out, and the liquid or the gas is extruded when the core rod is pushed in.

Chinese patent publication No. CN204072973U discloses an anti-pollution injector relates to medical instrument product, including cylinder, syringe needle, needle cap, piston push rod and push handle, the tail end setting of cylinder prevents the exerted soft transparent plastic inoxidizing coating of piston push rod, the soft transparent plastic inoxidizing coating extends to piston push rod backward and in the piston push rod bottom of the inboard piston push rod of the close proximity push handle when the maximum stroke, the utility model discloses convenient to use, simple structure, easy to use can effectively prevent the pollution of foreign matter such as bacterium.

However, when the utility model is used in practice, the soft transparent plastic protective layer can influence the normal pulling of medical personnel to the piston, and when the piston moves outwards, the gas in the needle cylinder can be released outwards, so that the soft transparent plastic protective layer expands, and the operation is more inconvenient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a medical improved anti-pollution injector, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an anti-pollution syringe of medical improvement type, includes a drainage section of thick bamboo and the piston of one end fixedly connected with connecting pipe, the surface threaded connection of connecting pipe has and is used for sealed lid, the inside wall fixedly connected with of sealed lid is used for improving the sealing washer of closure, the inner wall of sealing washer is pegged graft and is had the slidable pull rod, the constant head tank that is used for the location is seted up to the surface of pull rod, the inner wall joint of constant head tank has the scraper blade that is used for scraping to get, the one end fixedly connected with of pull rod is used for the fixture block of installation.

Optionally, a drain pipe for draining the liquid medicine is inserted into the other end of the drainage tube, and scales for measurement are arranged on the outer surface of the drainage tube.

Optionally, a fixing tube for fixing is sleeved on the outer surface of the liquid discharge tube, and a needle head for puncture is inserted into one end of the fixing tube.

Optionally, a supporting plate for pulling is sleeved at one end of the outer surface of the drainage tube, and an anti-slip pad for increasing friction force is fixedly connected to one side of the outer surface of the supporting plate.

Optionally, the other end of the pull rod is fixedly connected with a push plate for pushing, and anti-slip lines for increasing friction force are arranged on the outer surface of the push plate.

Optionally, a clamping groove for installation and positioning is formed in one end of the outer surface of the piston, and the inner side wall of the clamping groove is clamped with the outer surface of the clamping block, so that the piston is tightly connected to one end of the pull rod.

(III) advantageous effects

The utility model provides a medical improvement type anti-pollution syringe possesses following beneficial effect:

1. this anti-pollution syringe of medical improvement type, through the setting of scraper blade, can be when the pull rod stimulates, scrape the inside wall of a drainage section of thick bamboo and get to avoid the piston to be stained with dust or germ in the air when removing, and scrape respectively through a plurality of scraper blades and get, can guarantee that the piston is not contaminated, through the setting of piston, also can utilize the surface that is close to pull rod one end to scrape and get, guarantee the cleanness of a drainage section of thick bamboo again, be contaminated when avoiding the liquid medicine to inhale.

2. This anti-pollution syringe of medical improvement type sets up through the cooperation of sealed lid and sealing washer, can advance to clean the surface of pull rod when the pull rod outwards stimulates or inwards promotes to avoid dust or germ in the air to follow the inside that the pull rod removed a drainage section of thick bamboo, thereby guarantee the cleanness of piston, avoid polluting the liquid medicine, and sealed lid also can restrict the distance of the outside pulling of piston, avoid directly pulling out the piston and make it expose in the air.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the pull rod of the present invention;

FIG. 3 is a schematic view of the structure of the drain pipe of the present invention;

fig. 4 is a schematic view of the structure of the pull rod of the present invention.

In the figure: 1. a drainage tube; 2. a liquid discharge pipe; 3. a fixed tube; 4. a needle head; 5. a support plate; 6. a non-slip mat; 7. a connecting pipe; 8. a sealing cover; 9. a seal ring; 10. a pull rod; 11. pushing the plate; 12. positioning a groove; 13. a squeegee; 14. a clamping block; 15. a piston.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a medical improvement type anti-pollution syringe, including a drainage tube 1 and a piston 15 of one end fixedly connected with connecting pipe 7, the other end of drainage tube 1 is pegged graft and is had the fluid-discharge tube 2 that is used for getting rid of the liquid medicine, the surface of drainage tube 1 is seted up and is used for measuring the scale, the surface of fluid-discharge tube 2 has cup jointed the fixed tube 3 that is used for fixing, the one end of fixed tube 3 is pegged graft and is had the syringe needle 4 that is used for the puncture, through the setting of fluid-discharge tube 2, can be when piston 15 promotes, directly extrude the liquid medicine from fluid-discharge tube 2, and the scale can measure the dose of getting very convenient volume;

the drainage device comprises a drainage tube 1, a supporting plate 5, a non-slip mat 6, a push plate 11 and a pull rod 10, wherein the supporting plate 5 for pulling is sleeved at one end of the outer surface of the drainage tube 1, the non-slip mat 6 for increasing friction force is fixedly connected to one side of the outer surface of the supporting plate 5, and the pull rod and the drainage tube 1 can be conveniently matched with each other through the matching arrangement of the supporting plate 5 and the non-slip mat 6 to move relatively;

the outer surface of the connecting pipe 7 is in threaded connection with a sealing cover 8 for sealing, the inner side wall of the sealing cover 8 is fixedly connected with a sealing ring 9 for improving the sealing performance, the inner wall of the sealing ring 9 is inserted with a slidable pull rod 10, the other end of the pull rod 10 is fixedly connected with a push plate 11 for pushing, the outer surface of the push plate 11 is provided with anti-skidding lines for increasing the friction force, through the arrangement of the sealing cover 8 and the sealing ring 9, when the pull rod 10 slides, the surface of the pull rod 10 can be cleaned, dust or germs brought in by the pull rod 10 can be reduced, the distance of outward pulling of the piston 15 can be limited, and the outer surface of the sealing cover 8 is provided with an exhaust hole for exhausting;

wherein, constant head tank 12 that is used for the location is seted up to the surface of pull rod 10, the inner wall joint of constant head tank 12 has the scraper blade 13 that is used for scraping to get, the one end fixedly connected with of pull rod 10 is used for the fixture block 14 of installation, the draw-in groove that is used for the installation location is seted up to the one end of piston 15 surface, the inside wall of draw-in groove and the surface joint of fixture block 14, make 15 fastening connection of piston in the one end of pull rod 10, setting through constant head tank 12, can be very convenient install scraper blade 13, and drive scraper blade 13 when can making pull rod 10 stimulate and remove, scrape the getting to the inside wall of drainage tube 1, avoid dust or germ and piston to contact as far as possible, avoid causing the pollution to the liquid medicine.

The utility model discloses in, the device's working procedure as follows:

1. firstly, the sealing cover 8 is sleeved on the surface of the pull rod 10, then the scraper 13 is clamped into the positioning groove 12, and the piston 15 is installed by utilizing the clamping block 14;

2. after the installation is finished, the piston 15 and the scraper 13 are inserted into the drainage cylinder 1, the sealing cover 8 is screwed on the surface of the connecting pipe 7, and the fixed pipe 3 is sleeved on the surface of the liquid discharge pipe 2;

3. when in use, the needle head 4 is inserted into the medicine bottle, and the push plate 11 is pulled outwards, so that the medicine liquid can be sucked into the drainage tube 1;

4. the push plate 11 is pushed, so that the piston 15 pushes the medicine to be sprayed out of the needle 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-pollution syringe of medical improvement type, includes drainage tube (1) and piston (15) of one end fixedly connected with connecting pipe (7), its characterized in that: the utility model discloses a sealing structure, including connecting pipe (7), inside wall fixedly connected with of connecting pipe (7) is used for sealed lid (8), the inside wall fixedly connected with of sealed lid (8) is used for improving the sealing washer (9) of closure, the inner wall of sealing washer (9) is pegged graft and is had slidable pull rod (10), constant head tank (12) that are used for the location are seted up to the surface of pull rod (10), the inner wall joint of constant head tank (12) has scraper blade (13) that are used for scraping to get, the one end fixedly connected with of pull rod (10) is used for fixture block (14) of installation.

2. The improved antipollution syringe for medical use according to claim 1, further comprising: the other end of the drainage tube (1) is inserted with a liquid discharge tube (2) for discharging liquid medicine, and the outer surface of the drainage tube (1) is provided with scales for measurement.

3. The improved medical anti-contamination syringe according to claim 2, characterized in that: the outer surface of the liquid discharge pipe (2) is sleeved with a fixed pipe (3) for fixing, and one end of the fixed pipe (3) is inserted with a needle head (4) for puncture.

4. The improved antipollution syringe for medical use according to claim 1, further comprising: one end of the outer surface of the drainage tube (1) is sleeved with a supporting plate (5) used for pulling, and one side of the outer surface of the supporting plate (5) is fixedly connected with an anti-slip pad (6) used for increasing friction force.

5. The improved medical anti-contamination syringe according to claim 1, characterized in that: the other end fixedly connected with of pull rod (10) is used for the push pedal (11) that promote, the surface of push pedal (11) is seted up and is used for increasing the anti-skidding line of frictional force.

6. The improved medical anti-contamination syringe according to claim 1, characterized in that: a clamping groove used for installation and positioning is formed in one end of the outer surface of the piston (15), and the inner side wall of the clamping groove is clamped with the outer surface of the clamping block (14) so that the piston (15) is tightly connected to one end of the pull rod (10).