CN113509614A - Syringe piston and syringe - Google Patents

Syringe piston and syringe Download PDF

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Publication number
CN113509614A
CN113509614A CN202110957303.2A CN202110957303A CN113509614A CN 113509614 A CN113509614 A CN 113509614A CN 202110957303 A CN202110957303 A CN 202110957303A CN 113509614 A CN113509614 A CN 113509614A
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CN
China
Prior art keywords
main body
rear end
syringe
storage cavity
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110957303.2A
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Chinese (zh)
Inventor
尹建明
尹伯雄
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110957303.2A priority Critical patent/CN113509614A/en
Publication of CN113509614A publication Critical patent/CN113509614A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention provides an injector piston and an injector, and belongs to the field of medical supplies. The syringe plunger includes a body and a cap. The main body is suitable for being inserted into the needle cylinder from the rear end and pushing the medicament, a storage cavity is arranged in the main body, and an opening is formed in the rear end of the main body by the storage cavity; the sealing cover closes the opening of the storage cavity and can be opened, and the injector comprises a needle cylinder and the injector piston, wherein the main body of the injector piston is inserted into the needle cylinder from the rear end opening of the needle cylinder. Instruments such as sanitary napkins, tweezers and the like can be contained in the storage cavity of the syringe piston, and various medicines can be contained, so that the occupied space is reduced; and the sealing cover at the rear end of the main body can be opened to take out the articles in the storage cavity, so that the articles can be taken out conveniently.

Description

Syringe piston and syringe
Technical Field
The invention belongs to the technical field of medical supplies, and particularly relates to an injector piston and an injector.
Background
In the medical process, doctors often use instruments such as syringes, sanitary napkins, tweezers and the like, and also use various medicines, and the articles occupy a large amount of space; when a doctor goes out to diagnose, the doctor needs to carry a large medicine box or a first-aid kit to contain the articles, which is very inconvenient.
Disclosure of Invention
The invention aims to provide a syringe piston and a syringe, and aims to solve the technical problem that articles such as the syringe and the like in the prior art occupy a large amount of space.
In order to achieve the above object, the present invention adopts a technical solution in which a syringe piston is provided, including:
the syringe comprises a main body, a needle cylinder and a needle, wherein the main body is suitable for being inserted into the needle cylinder from the rear end and pushing a medicament, a storage cavity is arranged in the main body, and an opening is formed in the rear end of the main body by the storage cavity; and
and the sealing cover is used for sealing the opening of the storage cavity and can be opened.
As another embodiment of the present application, the cap includes:
the cover plate is used for sealing the opening of the storage cavity; and
the inserting part is arranged on one side, facing the opening of the storage cavity, of the cover plate and is inserted into the opening of the storage cavity to be fixed.
As another embodiment of the present application, the edge of the cover plate is flexibly connected to the rear end of the main body.
As another embodiment of the present application, a side surface of the rear end of the main body is provided with a convex operation portion.
As another embodiment of the present application, the operation portion includes two side plates partially disposed on both sides of the rear end of the main body, and a plate surface of the side plate is perpendicular to an axis of the main body.
The syringe piston provided by the embodiment of the invention has the beneficial effects that: compared with the prior art, the storage cavity of the injector piston provided by the embodiment of the invention can be used for containing instruments such as sanitary napkins, tweezers and the like, and also can be used for containing various medicines, so that the occupied space is reduced; and the sealing cover at the rear end of the main body can be opened to take out the articles in the storage cavity, so that the articles can be taken out conveniently.
Another technical solution adopted by the present invention is to provide an injector, comprising:
a needle cylinder with an opening at the rear end; and
the syringe piston according to any one of the above claims, wherein the body of the syringe piston is inserted into the cylinder from the rear end opening of the cylinder.
As another embodiment of the present application, a convex supporting portion is provided on a side surface of a rear end of the cylinder, and a convex operating portion is provided on a side surface of a rear end of the main body of the syringe piston, the supporting portion overlapping the operating portion.
As another embodiment of the present application, the main body may be rotatable within the cylinder to displace the support portion from the operating portion.
As another embodiment of the present application, the inner chamber of the cylinder is cylindrical, and the outer wall of the body is cylindrical to match the inner chamber of the cylinder.
The syringe provided by the embodiment of the invention has the beneficial effects that: compared with the prior art, according to the injector provided by the embodiment of the invention, by adopting any one of the injector pistons, instruments such as sanitary napkins, tweezers and the like can be contained in the storage cavity of the injector piston, and various medicines can also be contained, so that the occupied space is reduced; and the sealing cover at the rear end of the main body can be opened to take out the articles in the storage cavity, so that the articles can be taken out conveniently.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a cross-sectional view of a syringe plunger provided in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a syringe employing the syringe piston of FIG. 1;
FIG. 3 is a side view of the syringe of FIG. 2;
fig. 4 is a schematic view of the syringe of fig. 3, after rotation of the body.
Wherein, in the figures, the respective reference numerals:
1-a body; 11-a storage chamber; 12-side plates; 2-sealing the cover; 21-cover plate; 22-an insertion portion; 3, a needle cylinder; 31-support plate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2 together, a syringe plunger according to an embodiment of the present invention will now be described. A syringe plunger, comprising:
a main body 1 adapted to be inserted into the cylinder 3 from the rear end and push the medicine, having a storage chamber 11 therein, the storage chamber 11 forming an opening at the rear end of the main body 1; and
and a cover 2 which closes the opening of the storage cavity 11 and can be opened.
Compared with the prior art, in the syringe piston provided by the embodiment of the invention, instruments such as sanitary napkins, tweezers and the like can be contained in the storage cavity 11 of the syringe piston, and various medicines can also be contained, so that the occupied space is reduced; and the sealing cover 2 at the rear end of the main body 1 can be opened to take out the articles in the storage cavity 11, so that the articles can be taken out conveniently.
In this embodiment, the main body 1 is inserted into the cylinder 3 from the rear end, and then serves as a piston to push the medicine in the cylinder 3 to be ejected from the front end of the cylinder 3. The main body 1 may be a thin-walled member, and a storage space is formed therein. The storage space forms an opening at the rear end of the main body 1, and after the main body 1 is inserted into the needle cylinder 3, the rear end of the main body 1 faces outwards, so that the cover 2 can be opened more easily to take the articles in the storage cavity 11.
Illustratively, the main body 1 is cylindrical, an inner cavity of the main body 1 forms a storage cavity 11, a front end surface of the main body 1 is closed, and a rear end surface of the main body 1 is opened to form an opening of the storage cavity 11. In this embodiment, the main body 1 can be used with the most syringes 3 on the market, and the storage space formed inside is also bigger, can hold more articles. The opening of the storage chamber 11 is provided at the rear end surface of the body 1, and does not limit the depth of insertion of the body 1 into the cylinder 3.
In a specific implementation, the main body 1 is a thin-walled cylinder, the front end surface of the main body 1 is closed and a rubber plug can be arranged, and the rear end surface of the main body 1 is opened to form an opening of the storage cavity 11. When the medicine taking device is used, the front end of the main body 1 is inserted into the needle cylinder 3 with the front end and the rear end at the rear end, so that the medicine in the needle cylinder 3 can be pushed, and after the main body 1 almost completely enters the needle cylinder 3, the opening of the storage cavity 11 on the rear end face of the main body 1 can be still conveniently opened, and articles in the storage cavity 11 can be taken.
Referring to fig. 1 to 4, as an embodiment of the syringe plunger provided by the present invention, a sealing cap 2 includes:
a cover plate 21 for covering the opening of the storage cavity 11 of the storage chamber 2; and
and the inserting part 22 is arranged on one side of the cover plate 21 facing the opening of the storage cavity 11 and is inserted into the opening of the storage cavity 11 for fixing.
In this embodiment, the cover plate 21 is inserted into the opening of the storage cavity 11 through the insertion portion 22 and fixed to the main body 1, so that the cover plate is convenient to detach.
In a specific implementation, a circular insertion portion 22 is disposed on a side of the cover plate 21 facing the opening of the storage cavity 11, an outer diameter of the insertion portion 22 is substantially the same as an inner diameter of the opening of the storage cavity 11, so that the insertion portion 22 is inserted into the opening of the storage cavity 11 to form an interference fit, and the cover 2 is inserted into and fixed with the main body 1.
Referring to fig. 1 to 4, as an embodiment of the syringe piston provided by the present invention, an edge of a cover plate 21 is flexibly connected to a rear end of a main body 1.
In this embodiment, the cover plate 21 is prevented from falling and losing.
In the specific implementation, the cover plate 21 is made of plastic, and a flexible plastic strip extends from the edge of the cover plate to be connected with the rear end of the main body 1, so that the cover plate 21 is always connected with the rear end of the main body 1, and the flexible plastic strip does not affect the opening of the sealing cover 2 for closing the storage cavity 11 or the opening of the sealing cover 2.
Referring to fig. 1 to 4, as an embodiment of the syringe piston provided by the present invention, a protruding operation portion is disposed on a side surface of a rear end of a main body 1.
In this embodiment, the main body 1 can be inserted into the cylinder 3 as much as possible, and the main body 1 can be pushed and pulled by the operating portion without pushing and pulling the rear end of the main body 1 out of the cylinder 3, so that the main body 1 advances and retreats in the cylinder 3.
Referring to fig. 1 to 4, as an embodiment of the syringe piston according to the present invention, the operating portion includes two side plates 12 partially disposed at two sides of the rear end of the main body 1, and the plate surfaces of the side plates 12 are perpendicular to the axis of the main body 1.
In this embodiment, the two side plates 12 are located at two sides of the rear end of the main body 1, so that the operation is more convenient. The plate surface of the side plate 12 is vertical to the axis of the main body 1, after the main body 1 is inserted into the needle cylinder 3, the rear end of the main body 1 can be fixed with the side plate 12 only by exposing a small section, the part of the rear end of the main body 1 exposed outside the needle cylinder 3 can be reduced, and the volume of the whole injector is reduced.
Referring to fig. 2 to 4, an embodiment of the present invention further provides a syringe, including:
a needle cylinder 3 with an opening at the rear end; and
the syringe piston according to any of the above, wherein the body 1 of the syringe piston is inserted into the cylinder 3 from the rear end opening of the cylinder 3.
Compared with the prior art, according to the injector provided by the embodiment of the invention, any one of the injector pistons is adopted, so that instruments such as sanitary napkins, tweezers and the like can be contained in the storage cavity 11 of the injector piston, various medicines can be contained, and the occupied space is reduced; and the sealing cover 2 at the rear end of the main body 1 can be opened to take out the articles in the storage cavity 11, so that the articles can be taken out conveniently.
In this embodiment, the syringe 3 may have the same structure as the syringe 3 on the market, specifically, the front end of the syringe 3 is provided with a connecting tube for connecting a needle, and the rear end of the syringe 3 is open for inserting the main body 1 of the injector piston. The inner diameter of the cylinder 3 is substantially the same as the outer diameter of the body 1 of the syringe piston, so that the body 1 of the syringe piston can slide back and forth along the cylinder 3, thereby pushing the medicine in the cylinder 3.
Referring to fig. 2 to 4, as an embodiment of the injector provided by the present invention, a convex supporting portion is disposed on a side surface of a rear end of the cylinder 3, and a convex operating portion is disposed on a side surface of a rear end of the main body 1 of the injector piston, and the supporting portion is opposite to the operating portion.
In this embodiment, the support portion overlaps the operation portion, and the volume of the entire syringe can be reduced.
In a specific implementation, the supporting portion may be two supporting plates 31 respectively disposed at two sides of the rear end of the needle cylinder 3, and the plate surfaces of the two supporting plates 31 are perpendicular to the axis of the needle cylinder 3. The operation part may be two side plates 12 respectively disposed at both sides of the rear end of the main body 1, and plate surfaces of the two side plates 12 are perpendicular to the axis of the main body 1. Two support plates 31 at the rear end of the cylinder 3 are opposite to two support plates 31 at the rear end of the body 1 one by one.
Referring to fig. 2 to 4, as an embodiment of the injector provided in the present invention, the main body 1 can rotate in the cylinder 3, so that the supporting portion and the operating portion are dislocated.
In this embodiment, the main body 1 can be rotated to make the supporting part at the rear end of the main body 1 and the operating part at the rear end of the needle cylinder 3 dislocated, which is more convenient for operation.
Referring to fig. 2 to 4, as an embodiment of the injector provided by the present invention, the inner cavity of the cylinder 3 is cylindrical, and the outer wall of the main body 1 is cylindrical matching with the inner cavity of the cylinder 3.
In this embodiment, the main body 1 can be rotated after being inserted into the inner cavity of the syringe 3, so that the supporting portion and the operating portion are opposite or dislocated, as shown in fig. 3 and 4.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. Syringe piston, characterized in that includes:
the syringe comprises a main body, a needle cylinder and a needle, wherein the main body is suitable for being inserted into the needle cylinder from the rear end and pushing a medicament, a storage cavity is arranged in the main body, and an opening is formed in the rear end of the main body by the storage cavity; and
and the sealing cover is used for sealing the opening of the storage cavity and can be opened.
2. The syringe plunger of claim 1, wherein the cover comprises:
the cover plate is used for sealing the opening of the storage cavity; and
the inserting part is arranged on one side, facing the opening of the storage cavity, of the cover plate and is inserted into the opening of the storage cavity to be fixed.
3. The syringe plunger of claim 2, wherein the cover plate edge is flexibly connected to the body rear end.
4. The syringe plunger of claim 1, wherein the side surface of the rear end of the main body is provided with a convex operating portion.
5. The syringe plunger of claim 4, wherein the operating portion includes two side plates partially disposed on both sides of the rear end of the main body, and plate surfaces of the side plates are perpendicular to an axis of the main body.
6. A syringe, comprising:
a needle cylinder with an opening at the rear end; and
the syringe plunger of any one of claims 1 to 5, wherein the body of the syringe plunger is inserted into the barrel from the rear end opening of the barrel.
7. The syringe of claim 6, wherein a side surface of a rear end of the cylinder is provided with a convex support portion, and a side surface of a rear end of the body of the syringe piston is provided with a convex operation portion, the support portion overlapping with the operation portion.
8. The injector of claim 7, wherein said body is rotatable within said barrel to misalign said support and said handle.
9. The injector of claim 8 wherein said barrel interior is cylindrical and said body exterior wall is cylindrical to match said barrel interior.
CN202110957303.2A 2021-08-19 2021-08-19 Syringe piston and syringe Pending CN113509614A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110957303.2A CN113509614A (en) 2021-08-19 2021-08-19 Syringe piston and syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110957303.2A CN113509614A (en) 2021-08-19 2021-08-19 Syringe piston and syringe

Publications (1)

Publication Number Publication Date
CN113509614A true CN113509614A (en) 2021-10-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110957303.2A Pending CN113509614A (en) 2021-08-19 2021-08-19 Syringe piston and syringe

Country Status (1)

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CN (1) CN113509614A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000102606A (en) * 1998-09-28 2000-04-11 Showa Yakuhin Kako Kk Cartridge dental injector
CN1676172A (en) * 2004-04-02 2005-10-05 郑建勋 Safety injection needle cylinder
CN1795021A (en) * 2003-05-26 2006-06-28 白又寅 Disposable syringe
US20140378909A1 (en) * 2011-03-22 2014-12-25 Francesco De Rosa Cover for Housing a Syringe, Assembly Comprising Such Cover, Pen-Injector Comprising Such Assembly and Method for Forming a Pen-Injector
CN204910343U (en) * 2015-07-27 2015-12-30 鹰潭荣嘉集团医疗器械实业有限公司 Aseptic medicine syringe that dissolves of disposable
US20170080148A1 (en) * 2014-03-19 2017-03-23 Bayer Healthcare Llc System for syringe engagement to an injector
CN207722182U (en) * 2017-09-15 2018-08-14 江苏神力医用制品有限公司 A kind of syringe
US20180326156A1 (en) * 2015-11-12 2018-11-15 Guerbet Syringe
CN109310827A (en) * 2016-04-08 2019-02-05 阿勒根公司 Suction and injection device
CN213665957U (en) * 2020-06-30 2021-07-13 石家庄鑫富达医药包装有限公司 Pre-filling type perfusion apparatus

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000102606A (en) * 1998-09-28 2000-04-11 Showa Yakuhin Kako Kk Cartridge dental injector
CN1795021A (en) * 2003-05-26 2006-06-28 白又寅 Disposable syringe
CN1676172A (en) * 2004-04-02 2005-10-05 郑建勋 Safety injection needle cylinder
US20140378909A1 (en) * 2011-03-22 2014-12-25 Francesco De Rosa Cover for Housing a Syringe, Assembly Comprising Such Cover, Pen-Injector Comprising Such Assembly and Method for Forming a Pen-Injector
US20170080148A1 (en) * 2014-03-19 2017-03-23 Bayer Healthcare Llc System for syringe engagement to an injector
CN204910343U (en) * 2015-07-27 2015-12-30 鹰潭荣嘉集团医疗器械实业有限公司 Aseptic medicine syringe that dissolves of disposable
US20180326156A1 (en) * 2015-11-12 2018-11-15 Guerbet Syringe
CN109310827A (en) * 2016-04-08 2019-02-05 阿勒根公司 Suction and injection device
CN207722182U (en) * 2017-09-15 2018-08-14 江苏神力医用制品有限公司 A kind of syringe
CN213665957U (en) * 2020-06-30 2021-07-13 石家庄鑫富达医药包装有限公司 Pre-filling type perfusion apparatus

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Application publication date: 20211019

RJ01 Rejection of invention patent application after publication