CN112618359A

CN112618359A - Rubber plug for transfusion

Info

Publication number: CN112618359A
Application number: CN202011338679.7A
Authority: CN
Inventors: 盛睿; 肖尚军; 胡国栋; 何义文; 肖素梅; 杨晓东
Original assignee: Anhui Huaneng Electric Appliance Group Co ltd
Current assignee: Anhui Huaneng Medical Rubber Products Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-04-09
Anticipated expiration: 2040-11-25
Also published as: CN112618359B

Abstract

The invention relates to a rubber plug for transfusion, which comprises a regular polygon plug body, wherein the center of the plug body is provided with a through hole for inserting a liquid injection needle tube, a plurality of liquid cavities for independently extracting solution are annularly and equidistantly distributed around the through hole, and each liquid cavity is respectively communicated with a hole formed in each surface of the regular polygon plug body. Regular polygon's cock body is filled in the bottleneck department of medicine bottle, and be provided with the hole on every regular polygon face of cock body, the sap cavity that sets up the cock body inside is linked together with the medicine bottle, thereby the liquid medicine in the medicine bottle is extracted to the convenience from the sap cavity, be provided with the check valve in the hole simultaneously, make under the exogenic action that does not have needle tubing suction force, the check valve is closed, cause sap cavity and medicine bottle mutually independent, form solitary confined space, remaining liquid enters into the medicine bottle again after avoiding extracting last time, extract next time and cause the interference, the independent extraction of relative isolation has avoided pollution influence each other when repeated extraction.

Description

Rubber plug for transfusion

Technical Field

The invention relates to the technical field of medical rubber plugs, in particular to a rubber plug for transfusion.

Background

The rubber material of the medical transfusion rubber plug is required to be free of harmful soluble substances such as lead, mercury, arsenic, barium and the like, does not work with the contained medicament, and cannot be sprayed out. Generally made of NR, IIR, SBR and other sizing materials and produced by a mould pressing method.

The existing medicine needs to be dispensed before liquid injection, a part is generally inserted into a medicine bottle from a bottle stopper of medicine through a needle tube and is extracted, and then the medicine is injected into another medicine bottle, the medicine in one medicine bottle often needs to be extracted for many times, bacteria are easily brought into the medicine bottle by repeated extraction at a certain part, so that the medicine should be extracted at different places every time, but because the volume of the bottle stopper is not large, the part inserted again and away from the last part cannot be kept away, the influence is caused by the leaving problem of last extraction, and when repeated extraction is carried out for many times, subsequent medicine liquid is influenced by previous processes.

Disclosure of Invention

The invention provides a rubber plug for transfusion, aiming at meeting the requirements of mutual noninterference and mutual isolation of repeated extraction.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the utility model provides a plug for infusion, includes regular polygon's cock body, the center department of cock body is provided with and is used for annotating liquid needle tubing male through-hole, the annular equidistance all around of through-hole distributes and has a plurality of vacuums that are used for extracting solution alone, and every the vacuole respectively with regular polygon the hole of seting up on every face of cock body is linked together, and is every all be provided with liquid unidirectional in the hole to the valve body that flows in the vacuole.

The outer wall fixedly connected with apron of cock body, the surface center department of this apron is provided with annular recess, and this recess and each the liquid chamber distributes annular corresponding, and the outside of recess is provided with a plurality of bar key, and the quantity of this bar key is the same with regular polygon's face number, and this bar key sensing the recess position with the cock body is inside the position of liquid chamber is corresponding.

The periphery of the plug body is provided with a circle of leather ring which is used for coating the periphery of the opening of the medicine bottle.

Regular polygon each arris of cock body sets up to arc, and laminates mutually with the inner wall of medicine bottle mouth.

The valve body is discoid and comprises a plurality of lamella bodies, and this lamella body laminates each other.

The center of the groove is provided with a circular truncated cone which corresponds to the through hole in the plug body.

The invention has the beneficial effects that:

the regular polygonal plug body is plugged into the mouth of a medicine bottle, holes are formed in each regular polygonal surface of the plug body, and a liquid cavity formed in the plug body is communicated with the medicine bottle, so that liquid medicine in the medicine bottle can be conveniently extracted from the liquid cavity.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

fig. 3 is an overall sectional perspective view of the present invention.

In the figure: 1. a plug body; 11. a through hole; 12. a liquid chamber; 13. a hole; 2. a cover plate; 21. a groove; 22. a bar key; 23. a circular truncated cone; 3. a leather collar; 4. a valve body; 41. a flap body.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.

As shown in fig. 1 to 3, a rubber plug for transfusion comprises a regular polygon plug body 1, wherein a through hole 11 for inserting a liquid injection needle tube is arranged at the center of the plug body 1, a plurality of liquid cavities 12 for independently extracting solution are annularly and equidistantly distributed around the through hole 11, each liquid cavity 12 is respectively communicated with a hole 13 formed on each surface of the regular polygon plug body 1, and a valve body 4 for enabling liquid to flow into the liquid cavity 12 in a one-way manner is arranged in each hole 13. The residual liquid which is possibly contacted with the external liquid after each extraction is sealed and kept in the liquid cavity 12, so that the residual liquid is prevented from being remitted into the medicine bottle, and the influence on the next extraction is avoided.

The outer wall fixedly connected with apron 2 of cock body 1, the surface center department of this apron 2 is provided with annular recess 21, and this recess 21 corresponds with the annular that each sap cavity 12 distributes, and is provided with a plurality of bar key 22 in the outside of recess 21, and the quantity of this bar key 22 is the same with regular polygon's face number, and the pointed recess 21 position of this bar key 22 corresponds with the position of the inside sap cavity 12 of cock body 1. The arrangement of the groove 21 is used for thinning the interval between the outside and the liquid cavity 12, so that the needle tube can enter the liquid cavity 12 by inserting more lengths, meanwhile, the arrangement of the bar-shaped keys 22 is that the positions of the liquid cavities 12 are highlighted, and the needle tube is inserted in a positioning way by a user conveniently.

The periphery of the plug body 1 is provided with a circle of leather ring 3, and the leather ring 3 is used for coating the periphery of the opening of the medicine bottle. Leather collar 3 wraps up medicine mouth outer wall to fix the rubber buffer in medicine bottleneck department, avoid the rubber buffer to break away from the medicine easily, guarantee the firm of connection.

Each edge of the regular polygonal plug body 1 is arc-shaped and is attached to the inner wall of the medicine bottle opening. Just the cock body 1 setting of many deformations for certain clearance is left between every face of cock body 1 and the annular bottleneck inner wall, thereby for hole 13 intercommunication liquid chamber 12 and medicine bottle provide the basis, conveniently extract the liquid medicine in the medicine bottle from liquid chamber 12, each convex edge laminating is used for fixing the rubber buffer at medicine bottleneck inner wall in the medicine bottle mouth in the cooperation outer lane.

The valve body 4 is disk-shaped and is composed of a plurality of flap bodies 41, and the flap bodies 41 are mutually attached. This petal-shaped valve body 41 combination forms valve body 4, be similar to the principle of heart valve, this valve body 41 is inclined to in the sap cavity 12 under the effect of the needle tubing suction force in the sap cavity 12, thereby expose mutual clearance, make the liquid medicine in the medicine bottle flow in the sap cavity 12 and be taken away, when the suction force that does not have the needle tubing, each valve body 41 is under the effect of the restoring force of flexible material self, draw close each other by oneself, close clearance each other, thereby form an solitary little enclosure space with the sap cavity 12, avoid inside liquid to flow in to the medicine bottle.

The center of the groove 21 is provided with a circular truncated cone 23, and the circular truncated cone 23 corresponds to the through hole 11 in the plug body 1. The round platform 23 at the center of the groove 21 is used for highlighting the external position corresponding to the through hole 11, so that the determination of a user is facilitated, and the wrong position pricking of the user is avoided.

When assembling: directly plug into the medicine bottle that contains the liquid medicine with cock body 1 through machinery for each circular-arc edge department of cock body 1 supports to close inside the medicine bottle bottleneck, and leather collar 3 in the cock body 1 outside also wraps up the medicine bottle bottleneck periphery simultaneously.

The using method comprises the following steps: when a user carries out transfusion, the needle tube for transfusion is directly inserted into the round platform 23 which is protruded at the center of the groove 21, and the position corresponds to the through hole 11 in the plug body 1, so that the needle tube for transfusion is directly inserted into a bottle, liquid is pumped into the bottle, and the transfusion of a patient is carried out.

When preparing the liquid medicine: the user extracts the liquid medicine, firstly inserts the needle tube for extracting the liquid from the area in the groove 21 pointed by the extension line of one of the bar keys 22, inserts the needle tube into the corresponding liquid cavity 12, and pulls the needle tube outwards to extract the liquid, because the liquid is extracted outwards, the liquid pressure in the liquid cavity 12 is smaller than the liquid pressure in the external bottle, so that each flap body 41 in the valve body 4 deflects inwards to expose the gap between the centers, the liquid medicine between the inner wall of the bottle mouth and the outer wall of the plug body 1 flows into the liquid cavity 12 through the hole 13 and is extracted, when the needle tube is fully extracted, no external force exists in the liquid cavity 12, each flap body 41 in the valve body 4 recovers slowly under the self-action, thereby realizing the reclosing of the hole 13, the liquid extracted by the needle tube is injected into another medicine bottle for dispensing, when the extraction is carried out for the second time, the liquid medicine extraction of the next liquid cavity 12 is carried out from the area of the groove 21 corresponding to the other bar key 22, because the liquid cavity 12 is automatically closed after each extraction is finished, the liquid which is possibly polluted is prevented from being recombined into the medicine bottle, the safety in the next extraction is ensured, and the mutual infection which can happen in the repeated extraction is avoided.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rubber plug for transfusion is characterized in that: stopper body (1) including regular polygon, the center department of stopper body (1) is provided with and is used for annotating liquid needle tubing male through-hole (11), annular equidistance all around of through-hole (11) distributes has a plurality of vacuole (12) that are used for drawing solution alone, and every vacuole (12) respectively with regular polygon hole (13) of seting up on every face of stopper body (1) are linked together, and are every all be provided with in hole (13) one-way to liquid valve body (4) that flow in vacuole (12).

2. The rubber plug for transfusion according to claim 1, characterized in that: the outer wall fixedly connected with apron (2) of cock body (1), the surface center department of this apron (2) is provided with annular recess (21), this recess (21) and each the liquid chamber (12) distribute the annular corresponding, and be provided with a plurality of bar key (22) in the outside of recess (21), the quantity of this bar key (22) is the same with regular polygon's face number, and this bar key (22) directive recess (21) position with inside the cock body (1) the position of liquid chamber (12) is corresponding.

3. The rubber plug for transfusion according to claim 1, characterized in that: the periphery of the plug body (1) is provided with a circle of leather ring (3), and the leather ring (3) is used for coating the periphery of the opening of the medicine bottle.

4. The rubber plug for transfusion according to claim 1, characterized in that: regular polygon's each arris of cock body (1) sets up to arc, and laminates mutually with the inner wall of medicine bottle mouth.

5. The rubber plug for transfusion according to claim 1, characterized in that: the valve body (4) is disc-shaped and consists of a plurality of clack bodies (41), and the clack bodies (41) are mutually attached.

6. The rubber plug for transfusion according to claim 2, characterized in that: the center of the groove (21) is provided with a circular truncated cone (23), and the circular truncated cone (23) corresponds to the through hole (11) in the plug body (1).