CN215900587U

CN215900587U - Novel injector for skin test

Info

Publication number: CN215900587U
Application number: CN202122205531.2U
Authority: CN
Inventors: 张立; 李亚红; 霍先利; 张桃; 江敏
Original assignee: Xian Childrens Hospital
Current assignee: Xian Childrens Hospital
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-25
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to the technical field of injectors and discloses a novel injector for skin tests, which comprises a liquid outlet pipe arranged on a negative pressure cylinder, wherein the top end of the negative pressure cylinder is connected with a detachable dial scale through an inserting structure, a rotatable adjusting cylinder is inserted in the dial scale, a push rod capable of vertically lifting is in threaded connection with the inside of the adjusting cylinder, and one end of the push rod is provided with a piston block capable of vertically lifting. This novel syringe is used in skin test, through adjusting being connected between a section of thick bamboo and the calibrated scale, adjust a section of thick bamboo and can rotate in the inside of calibrated scale, combine to adjust being connected between a section of thick bamboo and the push rod, adjust a section of thick bamboo and rotate and can make the vertical lift of push rod, the volume of liquid is gone out to the control negative pressure section of thick bamboo that combines the screw thread on the push rod can be more meticulous, combine being connected between calibrated scale and the negative pressure section of thick bamboo, make things convenient for the staff to change the calibrated scale and the regulation section of thick bamboo of different regulating capacities, the volume that can inject as required selects to change, makes things convenient for staff's use.

Description

Novel injector for skin test

Technical Field

The utility model relates to the technical field of injectors, in particular to a novel injector for skin tests.

Background

Syringes are a common medical device, and as early as the 15 th century, kathler, italian, proposed the principle of syringes, primarily for the extraction or injection of gas or liquid with a needle.

The utility model discloses a skin test syringe is disclosed in chinese utility model patent application publication specification CN203954345U, and it includes cylinder and syringe needle, further includes that the bulge is confirmed to the needle insertion angle, the line on needle insertion angle confirmation bulge top and syringe needle top becomes 5 contained angles with the body of syringe needle, just the needle insertion angle is confirmed the tip inclined plane of bulge and syringe needle and is in respectively skin test syringe's opposite both sides.

But this utility model in-service use be not convenient for control the volume of pouring into according to staff's needs, be not convenient for adjust the size of the volume of pouring into according to staff's needs simultaneously, use and get up certain limitation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a novel injector for skin tests, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a novel syringe is tried to skin, is including installing the drain pipe on a negative pressure section of thick bamboo, the top of a negative pressure section of thick bamboo is connected with the detachable calibrated scale through grafting structure, the inside grafting of calibrated scale has a rotatable regulation section of thick bamboo, the inside threaded connection who adjusts a section of thick bamboo has the push rod that can vertically go up and down, the one end of push rod is equipped with the piston piece that can vertically go up and down, the inside of drain pipe is equipped with block structure, the connecting block that can vertically go up and down has been cup jointed on the surface of drain pipe, the inside of connecting block is equipped with the kicking block that is used for the support.

Optionally, the inserting structure comprises an inserting block arranged at the bottom of the dial, and a slot matched with the inserting block is formed in the top end of the negative pressure cylinder.

Optionally, the blocking structure comprises a blocking block inserted in the liquid outlet pipe, and a spring for resetting the blocking block is arranged inside the liquid outlet pipe.

Optionally, a rubber pad capable of improving sealing performance is arranged at the bottom of the piston block, and viscose for connection is arranged on the surface of the rubber pad.

Optionally, the inside of connecting block is equipped with and is used for the protection spring that resets to the drain pipe, the one end of tight drain pipe is pasted to the one end of protection spring.

Optionally, the surface of the dial is provided with scale marks for identification, and the surface of the adjusting cylinder is provided with anti-slip lines capable of improving friction force.

(III) advantageous effects

The utility model provides a novel injector for skin tests, which has the following beneficial effects:

1. this novel syringe is used in skin test, through adjusting being connected between a section of thick bamboo and the calibrated scale, adjust a section of thick bamboo and can rotate in the inside of calibrated scale, combine to adjust being connected between a section of thick bamboo and the push rod, adjust a section of thick bamboo and rotate and can make the vertical lift of push rod, the volume of liquid is gone out to the control negative pressure section of thick bamboo that combines the screw thread on the push rod can be more meticulous, combine being connected between calibrated scale and the negative pressure section of thick bamboo, make things convenient for the staff to change the calibrated scale and the regulation section of thick bamboo of different regulating capacities, the volume that can inject as required selects to change, makes things convenient for staff's use.

2. This novel syringe is used in skin test, through the connection between sprue and the spring in the block structure, the spring can promote the sprue to block up the drain pipe, reduces the unexpected condition that rotates and lead to the drain pipe weeping of a regulation section of thick bamboo, combines the effect of kicking block, can promote the sprue to rise to relieve the jam to the drain pipe, makes things convenient for the staff to select the use as required.

Drawings

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

FIG. 2 is a schematic view of the structure of the negative pressure cylinder of the present invention;

FIG. 3 is a schematic view of a connecting block according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a negative pressure cylinder; 2. a liquid outlet pipe; 3. a dial scale; 4. an adjusting cylinder; 5. a push rod; 6. a piston block; 7. connecting blocks; 8. a top block; 9. inserting a block; 10. a slot; 11. blocking; 12. a spring; 13. a rubber pad; 14. a guard spring; 15. and (4) anti-skid lines.

Detailed Description

The technical solutions 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, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a novel injector for skin tests comprises a liquid outlet pipe 2 installed on a negative pressure cylinder 1, the top end of the negative pressure cylinder 1 is connected with a detachable dial 3 through an inserting structure, the inserting structure comprises an inserting block 9 installed at the bottom of the dial 3, the top end of the negative pressure cylinder 1 is provided with an inserting groove 10 matched with the inserting block 9, the surface of the dial 3 is provided with scale marks for identification, the surface of an adjusting cylinder 4 is provided with anti-slip patterns 15 capable of improving friction force, the dial 3 can be detached and replaced through connection between the inserting block 9 and the inserting groove 10, the friction force between the adjusting cylinder 4 and fingers of workers can be improved through the effect of the anti-slip patterns 15, and the influence of accidental sliding is reduced;

a rotatable adjusting cylinder 4 is inserted into the dial 3, a push rod 5 capable of vertically lifting is connected to the inner portion of the adjusting cylinder 4 in a threaded mode, a piston block 6 capable of vertically lifting is arranged at one end of the push rod 5, a rubber pad 13 capable of improving sealing performance is arranged at the bottom of the piston block 6, viscose glue for connection is arranged on the surface of the rubber pad 13, the adjusting cylinder 4 can rotate inside the dial 3 through connection between the adjusting cylinder 4 and the dial 3, the push rod 5 can vertically lift through connection between the adjusting cylinder 4 and the push rod 5 through rotation of the adjusting cylinder 4, the push rod 5 can drive the piston block 6 to vertically lift through connection between the push rod 5 and the piston block 6, and sealing performance between the piston block 6 and the negative pressure cylinder 1 can be improved through the effect of the rubber pad 13;

a blocking structure is arranged inside the liquid outlet pipe 2 and comprises a blocking block 11 inserted in the liquid outlet pipe 2, a spring 12 for resetting the blocking block 11 is arranged inside the liquid outlet pipe 2, the blocking block 11 can vertically lift inside the liquid outlet pipe 2 through the connection between the blocking block 11 and the liquid outlet pipe 2, and a certain acting force can be applied to the blocking block 11 through the action of the spring 12 to push the blocking block 11 to block the liquid outlet pipe 2;

but the connecting block 7 of vertical lift has been cup jointed on the surface of drain pipe 2, the inside of connecting block 7 is equipped with the protection spring 14 that is used for resetting drain pipe 2, the one end of protection spring 14 pastes the one end of tight drain pipe 2, the inside of connecting block 7 is equipped with the kicking block 8 that is used for the support, through being connected between connecting block 7 and the drain pipe 2, vertical lift can be carried out on the surface of drain pipe 2 to connecting block 7, effect through protection spring 14, certain effort can be exerted and drain pipe 2 is reset, effect through kicking block 8, can promote that sprue 11 rises to relieve the liquid that blocks up in making drain pipe 2 and flow through kicking block 8.

In the utility model, the working steps of the device are as follows:

1. firstly, a proper dial 3 is arranged on a negative pressure cylinder 1 according to the requirement of a worker, and the negative pressure cylinder 1 is pressed to enable a liquid outlet pipe 2 to be lifted in a connecting block 7;

2. secondly, the connecting block 7 enables the top block 8 to jack up the blocking block 11 to lift up to remove the sealing of the liquid outlet pipe 2;

3. and finally, rotating the adjusting cylinder 4 as required to enable the push rod 5 to descend, and driving the piston block 6 to descend by the push rod 5 to extrude the liquid in the negative pressure cylinder 1.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel syringe is used to skin, is including installing drain pipe (2) on negative pressure section of thick bamboo (1), its characterized in that: the top of a negative pressure section of thick bamboo (1) is connected with detachable calibrated scale (3) through grafting structure, the inside of calibrated scale (3) is pegged graft and is had rotatable regulation section of thick bamboo (4), the inside threaded connection of regulation section of thick bamboo (4) has push rod (5) that can vertically go up and down, the one end of push rod (5) is equipped with piston piece (6) that can vertically go up and down, the inside of drain pipe (2) is equipped with block structure, connecting block (7) that can vertically go up and down have been cup jointed on the surface of drain pipe (2), the inside of connecting block (7) is equipped with kicking block (8) that are used for the support.

2. The novel injector for skin tests as claimed in claim 1, wherein: the inserting structure comprises an inserting block (9) arranged at the bottom of the dial (3), and a slot (10) matched with the inserting block (9) is formed in the top end of the negative pressure cylinder (1).

3. The novel injector for skin tests as claimed in claim 1, wherein: the blocking structure comprises a blocking block (11) inserted in the liquid outlet pipe (2), and a spring (12) used for resetting the blocking block (11) is arranged inside the liquid outlet pipe (2).

4. The novel injector for skin tests as claimed in claim 1, wherein: the bottom of the piston block (6) is provided with a rubber pad (13) capable of improving the sealing performance, and the surface of the rubber pad (13) is provided with adhesive for connection.

5. The novel injector for skin tests as claimed in claim 1, wherein: the inside of connecting block (7) is equipped with and is used for the protection spring (14) that resets drain pipe (2), the one end of protection spring (14) pastes the one end of tight drain pipe (2).

6. The novel injector for skin tests as claimed in claim 1, wherein: the surface of the dial (3) is provided with scale marks for identification, and the surface of the adjusting cylinder (4) is provided with anti-skid grains (15) capable of improving friction force.