CN106038291A - Liquid suction and injection needle and compound needle thereof - Google Patents

Liquid suction and injection needle and compound needle thereof Download PDF

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Publication number
CN106038291A
CN106038291A CN201610517846.1A CN201610517846A CN106038291A CN 106038291 A CN106038291 A CN 106038291A CN 201610517846 A CN201610517846 A CN 201610517846A CN 106038291 A CN106038291 A CN 106038291A
Authority
CN
China
Prior art keywords
needle
liquid
needle tubing
outlet passageway
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
CN201610517846.1A
Other languages
Chinese (zh)
Inventor
刘葆春
吴建文
李名寿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN CITY WEIBANG TECHNOLOGY Co Ltd
Original Assignee
SHENZHEN CITY WEIBANG TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN CITY WEIBANG TECHNOLOGY Co Ltd filed Critical SHENZHEN CITY WEIBANG TECHNOLOGY Co Ltd
Priority to CN201610517846.1A priority Critical patent/CN106038291A/en
Publication of CN106038291A publication Critical patent/CN106038291A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/20Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/20Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2006Piercing means
    • A61J1/201Piercing means having one piercing end
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/20Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2068Venting means

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Pharmacology & Pharmacy (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 present invention relates to a liquid suction and injection needle. The liquid suction and injection needle comprises a needle seat, a first needle tube and a second needle tube, the needle seat is provided with a liquid inlet and outlet channel, the front end of the first needle tube is provided with a liquid inlet and outlet opening, and the other end of the first needle tube is connected with the liquid inlet and outlet channel; the needle seat is provided with an air inlet and outlet channel; the second needle tube is arranged at the periphery of the first needle tube in a sleeved manner and forms a gas transmission channel with the first needle tube; and the front end of the second needle tube is provided with an air inlet and outlet opening, and the other end of the second needle tube is connected with the air inlet and outlet channel. Compared with the prior art, according to the liquid suction and injection needle, a ventilation structure and a liquid suction and injection mechanism are integrated to one body so that during liquid suction and injection, an exhaust device does not need to be additionally provided for a sealed container, the work of staff can be reduced, and the efficiency is improved.

Description

A kind of suction liquid syringe needle and compound needle set thereof
Technical field
The present invention relates to suction liquid syringe needle, a kind of suction liquid syringe needle integrating imbibition and aerofluxus;The present invention Further relate to the compound needle set of this suction liquid syringe needle of a kind of application.
Background technology
Existing needle set is when carrying out imbibition or fluid injection to medicine bottle or other sealing containers, along with the height of the liquid in container The change of degree, can cause the change of this container internal gas pressure, and cause cannot be carried out the operation of suction liquid.Such as: when carrying out imbibition, Along with the minimizing of liquid in container, the air pressure in this liquid can reduce, and causes inside and outside differential pressure to become big, and have impact on the effect of imbibition Really.Time serious, even can due in container the change of pressure reduction big, and crush container.And when carrying out fluid injection, along with liquid in container Increase, and compress gas in container, cause the air pressure in container to become big, and due to the increase of inside and outside pressure reduction, and have impact on The effect of fluid injection.Therefore, current common needle set suction/fluid injection can only be carried out in open-top receptacle.
And for drawbacks described above, the existing a solution that it is also proposed, when when suction/fluid injection in hermetic container, single Solely do an exhaust structure.But, owing to using exhaust structure, complex procedures, too increase the operating time of operator, shadow Ring efficiency.
Summary of the invention
The invention reside in the shortcoming overcoming prior art with not enough, it is provided that a kind of suction liquid integrating imbibition and aerofluxus Syringe needle and compound needle set thereof.
The present invention is to be realized by following technical scheme: a kind of suction liquid syringe needle, including needle stand, the first needle tubing and the Two needle tubings;
Described needle stand is provided with a liquid in-out passage, and this first needle tubing front end is provided with a liquid in-out opening, and described The other end of one needle tubing is connected with this liquid in-out passage;
Described needle stand is provided with one and enters outlet passageway;It is peripheral that described second needle tubing is set in the first needle tubing, with this first A gas delivery passage is formed between needle tubing;The front end of this second needle tubing is provided with a turnover gas opening, this second needle tubing The other end with described enter outlet passageway be connected.
Compared to prior art, the present invention is by assembling one by ventilation device and suction mechanism for filling liquid, thus works as When row holds liquid, it is not necessary to for sealing container, exhaust apparatus is still further installed, it is possible to reduce the work of staff, accelerates effect Rate.
As a further improvement on the present invention, described needle stand includes leading section and rearward end;Described liquid in-out passage is arranged In rearward end;One end of described first needle tubing is connected through this leading section with this liquid in-out passage;Described liquid in-out passage Opening is arranged in rearward end;
Described enter outlet passageway be arranged in leading section, and this opening entering outlet passageway is arranged on the side of leading section On.
As a further improvement on the present invention, enter outlet passageway described in and include open connection and gas transfer section;Described Open connection is vertical with described gas transfer section to be connected;Described open connection is connected with the opening entering outlet passageway, this gas Body transport part is connected with the second needle tubing.
As a further improvement on the present invention, the length of described first needle tubing is more than the length of the second needle tubing.
Present invention also offers the compound needle set of a kind of suction liquid, it includes two suction liquid syringe needles and connects two syringe needles Flexible pipe;
Described each suction liquid syringe needle includes needle stand, the first needle tubing and the second needle tubing respectively;
Described needle stand is provided with a liquid in-out passage, and this first needle tubing front end is provided with a liquid in-out opening, and described The other end of one needle tubing is connected with this liquid in-out passage;
Described needle stand is provided with one and enters outlet passageway;It is peripheral that described second needle tubing is set in the first needle tubing, with this first A gas delivery passage is formed between needle tubing;The front end of this second needle tubing is provided with a turnover gas opening, this second needle tubing The other end with described enter outlet passageway be connected;
The two ends of described flexible pipe liquid in-out passage with two suction liquid syringe needles respectively is connected.
As a further improvement on the present invention, described needle stand includes leading section and rearward end;Described liquid in-out passage is arranged In rearward end;One end of described first needle tubing is connected through this leading section with this liquid in-out passage;Described liquid in-out passage Opening is arranged in rearward end;
Described enter outlet passageway be arranged in leading section, and this opening entering outlet passageway is arranged on the side of leading section On.
As a further improvement on the present invention, enter outlet passageway described in and include open connection and gas transfer section;Described Open connection is vertical with described gas transfer section to be connected;Described open connection is connected with the opening entering outlet passageway, this gas Body transport part is connected with the second needle tubing.
As a further improvement on the present invention, the length of described first needle tubing is more than the length of the second needle tubing.
Compared to prior art, the present invention is by assembling one by ventilation device and suction mechanism for filling liquid, thus works as When row holds liquid, it is not necessary to for sealing container, exhaust apparatus is still further installed, it is possible to reduce the work of staff, accelerates effect Rate.
In order to be more fully understood that and implement, describe the present invention below in conjunction with the accompanying drawings in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the suction liquid syringe needle of the present invention.
Fig. 2 is the structural representation of the suction liquid syringe needle of embodiment 2.
Fig. 3 is the structural representation that the suction liquid of the present invention is combined needle set.
Detailed description of the invention
The present invention is to solve in prior art when suction liquid, it is impossible to synchronize the defect being exhausted, it is provided that a kind of Integrate the suction liquid syringe needle of imbibition and aerofluxus and compound needle set thereof.Concrete is illustrated with the following examples.
Embodiment 1
Referring to Fig. 1, it is the structural representation of suction liquid syringe needle of the present invention.The invention provides a kind of suction injection needle Head, including needle stand the 1, first needle tubing 2 and the second needle tubing 3.
Described needle stand 1 includes leading section 11 and rearward end 12.Wherein, described leading section 11 is provided with one and enters outlet passageway 111, described rearward end 12 is provided with a liquid in-out passage 121.
Described first needle tubing 2 front end is provided with a liquid in-out opening, and the other end of described first needle tubing 2 passes this leading section 11 are connected with the liquid in-out passage 121 of rearward end 12.In the present embodiment, the liquid in-out opening of described first needle tubing 2 is arranged on The tip location of the first needle tubing 2.
It is peripheral that described second needle tubing 3 is set in the first needle tubing 2, and it is logical to form a gas transmission between this first needle tubing 2 Road.The front end of this second needle tubing 3 is provided with a turnover gas opening, and the other end of this second needle tubing 3 enters with described leading section 11 Outlet passageway 111 connects.Further, the length of described first needle tubing 2 is more than the length of the second needle tubing 3.For the ease of in imbibition Or during fluid injection, therefore the length of the first needle tubing 2 can be set greater than with the air communication in container by this second needle tubing 3 The length of two needle tubings 3.
Further, enter outlet passageway 111 described in and include open connection and gas transfer section;Described open connection and institute State gas transfer section vertically to connect;Described open connection is connected with the opening entering outlet passageway 111, this gas transfer section and the Two needle tubings 3 connect.
The work process of the suction liquid syringe needle of the present invention introduced below:
When imbibition, first suction liquid syringe needle is connected with external suction means.Then, then by this first needle tubing 2 deeply should Seal in the liquid of container, and now the second needle tubing 3 and the air communication sealed in container.When opening suction and starting, along with Liquid in container reduces, and air pressure reduces, and now the gas outside container enters in container by the inlet channel of needle stand 1, protects Hold the balance of container inner and outer air pressure.
When in fluid injection, first suction liquid syringe needle is connected with external suction means.Then, then by this first needle tubing 2 go deep into In the liquid of this sealing container, and now the second needle tubing 3 and the air communication sealed in container.When opening injection liquid, with Liquid in container to increase, air pressure increases, and now the gas in container is by the second needle tubing 3, is arranged by the gas in container Go out outside container, keep the balance of container inner and outer air pressure.
Compared to prior art, the present invention is by assembling one by ventilation device and suction mechanism for filling liquid, thus works as When row holds liquid, it is not necessary to for sealing container, exhaust apparatus is still further installed, it is possible to reduce the work of staff, accelerates effect Rate.
Embodiment 2
Referring to Fig. 2, it is the structural representation of suction liquid syringe needle of the embodiment of the present invention 2.
Needle head structure in the present embodiment 2 is essentially identical with the needle head structure of embodiment 1, and its difference is: the present embodiment 2 In the liquid in-out opening of the first needle tubing 2 front end that is arranged on the first needle tubing 2 one side on.
Embodiment 3
Referring to Fig. 3, it is the structural representation of compound needle set of suction liquid of the present invention.Present invention also offers one The compound needle set of suction liquid, it includes two suction liquid syringe needles and connects the flexible pipe 4 of two syringe needles.Wherein, a syringe needle is used for Imbibition, another syringe needle is used for fluid injection.
Described each syringe needle includes needle stand the 1, first needle tubing 2 and the second needle tubing 3 respectively.
Described needle stand 1 includes leading section 11 and rearward end 12.Wherein, described leading section 11 is provided with one and enters outlet passageway 111, described rearward end 12 is provided with a liquid in-out passage 121.
Described first needle tubing 2 front end is provided with a liquid in-out opening, and the other end of described first needle tubing 2 passes this leading section 11 are connected with the liquid in-out passage 121 of rearward end 12.In the present embodiment, the liquid in-out opening of described first needle tubing 2 is arranged on The tip location of the first needle tubing 2.
It is peripheral that described second needle tubing 3 is set in the first needle tubing 2, and it is logical to form a gas transmission between this first needle tubing 2 Road.The front end of this second needle tubing 3 is provided with a turnover gas opening, and the other end of this second needle tubing 3 enters with described leading section 11 Outlet passageway 111 connects.Further, the length of described first needle tubing 2 is more than the length of the second needle tubing 3.For the ease of in imbibition Or during fluid injection, therefore the length of the first needle tubing 2 can be set greater than with the air communication in container by this second needle tubing 3 The length of two needle tubings 3.
The two ends of described flexible pipe 4 liquid in-out passage 121 with two suction liquid syringe needles respectively is connected.
Further, enter outlet passageway 111 described in and include open connection and gas transfer section;Described open connection and institute State gas transfer section vertically to connect;Described open connection is connected with the opening entering outlet passageway 111, this gas transfer section and the Two needle tubings 3 connect.
The work process of the suction liquid syringe needle of the present invention introduced below:
When imbibition, first suction liquid syringe needle is connected with flexible pipe 4.And described flexible pipe 4 is connected with external suction means again.
Then, then the first needle tubing 2 of one of them syringe needle is goed deep in the liquid of this sealing container, and now the second needle tubing 3 with the air communication sealed in container.When opening suction and starting, along with the liquid in container reduces, air pressure reduces, and now Gas outside container enters in container by the inlet channel of needle stand 1, keeps the balance of container inner and outer air pressure.
Again another one suction liquid syringe needle is goed deep in reservoir container.This first needle tubing 2 is goed deep into the liquid of this sealing container In body, and now the second needle tubing 3 and the air communication sealed in container.When opening injection liquid, along with the liquid in container Increasing, air pressure increases, and now the gas in container is by the second needle tubing 3, by outside the gas amount discharge container in container, keeps holding The balance of device inner and outer air pressure.
Compared to prior art, the present invention is by assembling one by ventilation device and suction mechanism for filling liquid, thus works as When row holds liquid, it is not necessary to for sealing container, exhaust apparatus is still further installed, it is possible to reduce the work of staff, accelerates effect Rate.
The invention is not limited in above-mentioned embodiment, if various changes or deformation to the present invention are without departing from the present invention Spirit and scope, if these are changed and within the scope of deformation belongs to claim and the equivalent technologies of the present invention, then this Bright being also intended to comprises these changes and deformation.

Claims (8)

1. a suction liquid syringe needle, it is characterised in that: include needle stand, the first needle tubing and the second needle tubing;
Described needle stand is provided with a liquid in-out passage, and this first needle tubing front end is provided with a liquid in-out opening, described first pin The other end of pipe is connected with this liquid in-out passage;
Described needle stand is provided with one and enters outlet passageway;It is peripheral that described second needle tubing is set in the first needle tubing, with this first needle tubing Between formed a gas delivery passage;The front end of this second needle tubing is provided with a turnover gas opening, another of this second needle tubing Hold with described enter outlet passageway be connected.
Suction liquid syringe needle the most according to claim 1, it is characterised in that: described needle stand includes leading section and rearward end;Described Liquid in-out passage is arranged in rearward end;One end of described first needle tubing is connected through this leading section with this liquid in-out passage;Institute The opening stating liquid in-out passage is arranged in rearward end;
Described enter outlet passageway be arranged in leading section, and this opening entering outlet passageway is arranged on the side of leading section.
Suction liquid syringe needle the most according to claim 1, it is characterised in that enter outlet passageway described in: and include that open connection is gentle Body transport part;Described open connection is vertical with described gas transfer section to be connected;Described open connection with enter outlet passageway Opening connects, and this gas transfer section is connected with the second needle tubing.
Suction liquid syringe needle the most according to claim 1, it is characterised in that: the length of described first needle tubing is more than the second needle tubing Length.
5. the compound needle set of a suction liquid, it is characterised in that: include two suction liquid syringe needles and connect the flexible pipe of two syringe needles;
Described each suction liquid syringe needle includes needle stand, the first needle tubing and the second needle tubing respectively;
Described needle stand is provided with a liquid in-out passage, and this first needle tubing front end is provided with a liquid in-out opening, described first pin The other end of pipe is connected with this liquid in-out passage;
Described needle stand is provided with one and enters outlet passageway;It is peripheral that described second needle tubing is set in the first needle tubing, with this first needle tubing Between formed a gas delivery passage;The front end of this second needle tubing is provided with a turnover gas opening, another of this second needle tubing Hold with described enter outlet passageway be connected;
The two ends of described flexible pipe liquid in-out passage with two suction liquid syringe needles respectively is connected.
The most compound needle set of suction liquid, it is characterised in that: described needle stand includes leading section and rear end Portion;Described liquid in-out passage is arranged in rearward end;One end of described first needle tubing is through this leading section and this liquid in-out passage Connect;The opening of described liquid in-out passage is arranged in rearward end;
Described enter outlet passageway be arranged in leading section, and this opening entering outlet passageway is arranged on the side of leading section.
The most compound needle set of suction liquid, it is characterised in that enter outlet passageway described in: and include that opening connects Portion and gas transfer section;Described open connection is vertical with described gas transfer section to be connected;Described open connection and turnover gas The opening of passage connects, and this gas transfer section is connected with the second needle tubing.
The most compound needle set of suction liquid, it is characterised in that: the length of described first needle tubing is more than second The length of needle tubing.
CN201610517846.1A 2016-07-01 2016-07-01 Liquid suction and injection needle and compound needle thereof Pending CN106038291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610517846.1A CN106038291A (en) 2016-07-01 2016-07-01 Liquid suction and injection needle and compound needle thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610517846.1A CN106038291A (en) 2016-07-01 2016-07-01 Liquid suction and injection needle and compound needle thereof

Publications (1)

Publication Number Publication Date
CN106038291A true CN106038291A (en) 2016-10-26

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CN201610517846.1A Pending CN106038291A (en) 2016-07-01 2016-07-01 Liquid suction and injection needle and compound needle thereof

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116763405A (en) * 2023-06-30 2023-09-19 湖南朗润智慧医疗科技有限公司 Combined unidirectional lavage needle and puncture equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203060458U (en) * 2012-12-28 2013-07-17 深圳市卫邦科技有限公司 Needle head structure and infusion hose with needle head structure
CN105496780A (en) * 2016-01-12 2016-04-20 安徽智博新材料科技有限公司 Sterile dispensing and infusion device and dispensing and infusion method
CN205307401U (en) * 2016-01-13 2016-06-15 深圳市卫邦科技有限公司 Compound needling instrument and device thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203060458U (en) * 2012-12-28 2013-07-17 深圳市卫邦科技有限公司 Needle head structure and infusion hose with needle head structure
CN105496780A (en) * 2016-01-12 2016-04-20 安徽智博新材料科技有限公司 Sterile dispensing and infusion device and dispensing and infusion method
CN205307401U (en) * 2016-01-13 2016-06-15 深圳市卫邦科技有限公司 Compound needling instrument and device thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116763405A (en) * 2023-06-30 2023-09-19 湖南朗润智慧医疗科技有限公司 Combined unidirectional lavage needle and puncture equipment
CN116763405B (en) * 2023-06-30 2024-02-06 湖南朗润智慧医疗科技有限公司 Combined unidirectional lavage needle and puncture equipment

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Application publication date: 20161026