KR101663573B1 - Filter device fo fitering an injection - Google Patents

Filter device fo fitering an injection Download PDF

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Publication number
KR101663573B1
KR101663573B1 KR1020140153008A KR20140153008A KR101663573B1 KR 101663573 B1 KR101663573 B1 KR 101663573B1 KR 1020140153008 A KR1020140153008 A KR 1020140153008A KR 20140153008 A KR20140153008 A KR 20140153008A KR 101663573 B1 KR101663573 B1 KR 101663573B1
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KR
South Korea
Prior art keywords
injection
filter
housing
injection liquid
liquid
Prior art date
Application number
KR1020140153008A
Other languages
Korean (ko)
Other versions
KR20160053657A (en
Inventor
남윤제
Original Assignee
(주)에프에이
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 (주)에프에이 filed Critical (주)에프에이
Priority to KR1020140153008A priority Critical patent/KR101663573B1/en
Priority to PCT/KR2014/011572 priority patent/WO2016072552A1/en
Publication of KR20160053657A publication Critical patent/KR20160053657A/en
Application granted granted Critical
Publication of KR101663573B1 publication Critical patent/KR101663573B1/en

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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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
    • 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
    • A61M5/1782—Devices aiding filling of syringes in situ
    • 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
    • A61M5/3145—Filters incorporated in 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
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3293—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles characterised by features of the needle hub

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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

A liquid injection filter device is disclosed. SUMMARY OF THE INVENTION The present invention is directed to a connector comprising: a cylindrical housing; An injection liquid channel fixed integrally to the inside of the housing; A membrane filter installed at a fixed portion of the injection liquid channel fixed to the inside of the housing; A filter support member embedded in one side of the membrane filter to support the filter; And a finishing member made of silicon and mounted on an end of the housing.

Description

FIELD OF THE INVENTION [0001]

More particularly, the present invention relates to a filter material for filtration of a fluid for filtration, which is capable of transferring an injection fluid from a fluid injector ampule to a syringe in one operation with high filtration efficiency.

Spunbond or a substrate made of microfine with a single fiber fineness of 0.001 to 0.3 denier has been widely used up to now as a filter material for filtration of a liquid for injection. However, the filter material for filtration of the conventional liquid is composed of fibers having a fineness of at least 0.001 denier There is a problem that the pores formed between the fibers are so wide that the filtration efficiency is lowered.

In order to improve the above-mentioned problems, a method of increasing the density (unit weight) of the fibers constituting the filter material for filtration of the prior art has been proposed in order to improve the filtration efficiency. However, There is a problem that the pressure applied to the piston of the syringe increases.

In conclusion, the conventional filter materials for filtration of a liquid for injection can not simultaneously satisfy filtration efficiency and permeability of an injection liquid.

1, conventionally, when the injection liquid is transferred from the injection liquid ampoule 3 to the syringe 2, the injection needle 1 equipped with a filter is used. At this time, the used injection needle 1 There is an inconvenience that another injection needle must be attached after removing it from the syringe 2.

In order to solve such a problem, there has been a continuous study on the injection liquid filter device.

SUMMARY OF THE INVENTION An object of the present invention is to provide a syringe filter device capable of simple and easy delivery of an injection liquid in a single operation at the time of delivering the syringe using the injection needle.

It is another object of the present invention to provide a liquid injection filter device capable of greatly improving the filtration efficiency of an injection liquid.

In order to solve the above-mentioned problem, a liquid injection device according to the present invention comprises:

A cylindrical housing; An injection liquid channel fixed integrally to the inside of the housing; A membrane filter installed at a fixed portion of the injection liquid channel fixed to the inside of the housing; A filter support member embedded in one side of the membrane filter to support the filter; And a finishing member made of silicon and mounted on an end of the housing.

And a spiral protrusion is formed on an inner wall of the housing where the injection liquid channel is located.

The filter support member is characterized by having a circular upper plate and a plurality of legs.

The circular upper plate has a diameter smaller than an inner diameter of the housing so that the injection liquid can move, and a space through which the injection liquid moves is formed between the legs.

And a soft damage preventing member is integrally formed on the upper plate of the filter support member to prevent the injection needle from being hitting against the upper plate while being damaged.

And a needle is attached to the spiral projection of the injection liquid filter device.

And a support tube for supporting the injection needle is additionally provided in the housing.

According to the present invention, there is an effect that the injection liquid can be simply and easily transferred by a single operation when the injection liquid is transferred using the injection needle.

Further, according to the present invention, the filtration efficiency of the injection liquid can be greatly improved, and at the same time, the injection liquid is excellent in passing property, and the pressure applied to the piston can be minimized.

1 is a conceptual diagram schematically showing transfer of an injection liquid from an injection liquid ampule using a syringe.
2 is a cross-sectional perspective view of the injection liquid filter device according to the present invention.
3 is an exploded perspective view of the injection liquid filter device according to the present invention.
4 is a perspective view showing an injection-liquid filter device equipped with the injection needle according to the present invention.
Fig. 5 is a view showing the delivery of an injection liquid from an injection liquid ampule using a syringe according to the present invention. Fig.
FIG. 6 is a diagram showing the use of a liquid injection device according to the present invention in a liquid set. FIG.
7 is a view showing another embodiment of the injection liquid filter device according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

2 and 3, the injection solution filter device 10 according to the present invention includes a cylindrical housing 11 and an injection liquid passage tube 13 integrally fixed to the inside of the housing 11 . The injection liquid channel 13 is integrally fixed to the inside of the housing 11 and has a funnel shape.

A spiral protrusion 15 is formed on an inner wall of the housing 11 in which the injection liquid channel 13 is located so that a needle or a stopper can be screwed and inserted.

In addition, a membrane filter 21 is provided in the fixed portion 17 of the injection liquid channel 13 fixed to the inside of the housing 11. [

The membrane filter 21 is a filter medium for removing contaminants such as 0.0001 micron heavy metal and virus ion component microorganisms. The membrane filter 21 is for filtering glass fragments or various foreign substances generated when the injection liquid ampoule is broken.

At one side of the membrane filter (21), a filter support member (23) for supporting the filter is incorporated. The filter support member 23 serves to limit the movement of the filter in the housing 11 and to prevent the needles from being damaged when the needle is drawn in from behind. And also serves as a stopper for limiting the entrance of the light source to a certain depth.

The filter support member 23 has a circular upper plate 25 and a plurality of leg portions 27. Preferably, the circular upper plate 25 has a diameter smaller than the inner diameter of the housing 11 so that the injection liquid can move, and a space is formed between the legs 27 to allow the injection liquid to move therebetween.

By supporting the membrane filter 21 by the legs 27, the movement of the membrane filter 21 can be restricted.

A soft damage preventing member 29 may be integrally formed with the upper plate 25 of the filter supporting member 23 to prevent the upper needle plate 25 from being damaged when the injection needle enters the upper plate 25.

The soft damage preventing member 29 is preferably made of a silicon material.

A sealing member 30 made of a silicon material is mounted on the distal end of the housing 11. The injection needle can be inserted through the silicone-made closing member 30, and the injection liquid can be transferred to the syringe through the inserted injection needle.

4 is a view showing a state in which the injection needle 40 is attached to the injection solution filter device 10 according to the present invention.

4, the head portion 41 of the injection needle 40 is positioned on the spiral protrusion 15 and rotated in the forward direction or the reverse direction, whereby the injection needle 40 is inserted into the injection liquid filter device 10 Mounted or separated.

As described above, the injection liquid can be extracted from the injection liquid ampoule by using the injection liquid filter apparatus 10 equipped with the injection needles 40. [

Hereinafter, the operation of the injection liquid filter device according to the present invention will be described.

Fig. 5 is a view showing the delivery of an injection liquid from an injection liquid ampule using a syringe according to the present invention. Fig.

After the injection liquid filter apparatus 10 according to the present invention is placed in the syringe ampoule 3, the injection needle 40 of the separate syringe 45 is passed through the closing member 30 of the filter apparatus 10, To enter the member (23).

At this time, the movement of the injection needle 40 is stopped by the filter supporting member 23. In addition, the injection needle 40 can be safely positioned by the damage preventing member 29 provided to prevent the injection needle 40 from being damaged.

When the piston of the syringe 45 is moved in this state, the injection liquid flows from the injection liquid ampoule 3. The injection liquid that has passed through the injection liquid pipe 13 is filtered by the membrane filter 21 to remove glass fragments or various foreign substances do. The filtered injected liquid is transferred to the inner space of the housing 11 through the space between the legs 25 of the filter support member 23 and finally transferred into the syringe 45 through the injection needle 40 .

In this way, the syringe 45 filled with the injection liquid can be separated from the filter device 10 and used for the patient.

FIG. 6 is a diagram showing the use of a liquid injection device according to the present invention in a liquid set. FIG.

The injection solution filter device 10 according to the present invention is also used for withdrawing the injection solution from the injection solution ampule, but it may be used in combination with the solution set as shown in Fig.

When the liquid is used in the liquid set 60, the injector 45 may be connected to the injection liquid filter device 10 to inject the injected liquid while filtering the injected liquid when the patient is desired to administer another drug to the liquid.

7, a support pipe 43 for supporting the injection needle may be additionally provided in the housing 11 of the injection solution filter device 10. As shown in FIG. The support tube 43 can prevent the injection needle 40 from shaking to the left and right when inserting the injection needle 40 into the injection solution filter device 10 for extracting the injection solution, The insertion depth may be limited to a certain degree.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined by the appended claims. .

10: filter device 11: housing
13: Injection passage tube 15: Spiral projection
17: Fixing section 21: Membrane filter
23: filter support member 25: top plate
27: leg portion 29: damage preventing member
30: closing member 40: needle
45: Syringe

Claims (7)

A cylindrical housing; An injection liquid channel fixed integrally to the inside of the housing; A membrane filter installed at a fixed portion of the injection liquid channel fixed to the inside of the housing; A filter support member embedded in one side of the membrane filter to support the filter; And a closing member made of silicon and mounted on an end of the housing,
Wherein the filter support member comprises a circular upper plate and a plurality of leg portions. The method according to claim 1,
And a spiral protrusion is formed on an inner wall of the housing where the injection liquid channel is located. delete The method according to claim 1,
Wherein the circular upper plate has a smaller diameter than the inner diameter of the housing so that the injection liquid can move, and a space through which the injection liquid moves is formed between the legs. The method according to claim 1,
And a soft damage preventing member is integrally formed on the upper plate of the filter supporting member to prevent the injection needle from being hitting against the upper plate while being damaged. The method according to claim 2, 4, or 5,
Wherein the injection needle is mounted on the spiral projection of the injection liquid filter device. The method according to claim 2, 4, or 5,
And a support tube for supporting the injection needle is additionally provided in the housing.
KR1020140153008A 2014-11-05 2014-11-05 Filter device fo fitering an injection KR101663573B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020140153008A KR101663573B1 (en) 2014-11-05 2014-11-05 Filter device fo fitering an injection
PCT/KR2014/011572 WO2016072552A1 (en) 2014-11-05 2014-11-28 Injection liquid filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140153008A KR101663573B1 (en) 2014-11-05 2014-11-05 Filter device fo fitering an injection

Publications (2)

Publication Number Publication Date
KR20160053657A KR20160053657A (en) 2016-05-13
KR101663573B1 true KR101663573B1 (en) 2016-10-10

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Application Number Title Priority Date Filing Date
KR1020140153008A KR101663573B1 (en) 2014-11-05 2014-11-05 Filter device fo fitering an injection

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KR (1) KR101663573B1 (en)
WO (1) WO2016072552A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101975933B1 (en) * 2017-09-29 2019-05-07 티앤에이치바이오(주) Injection device for capsule type medicine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080300542A1 (en) 2005-12-28 2008-12-04 Nippon Sherwood Medical Industries Ltd. Male Luer Connector
JP2009544455A (en) 2006-07-28 2009-12-17 ベクトン・ディキンソン・アンド・カンパニー Vascular access device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62116740U (en) * 1986-01-17 1987-07-24
US5860962A (en) * 1997-12-08 1999-01-19 Becton, Dickinson And Company Shielded cannula for use with an I.V. site
KR100981586B1 (en) * 2008-07-28 2010-09-10 강강구 Safety Filter Tip For A Syringe
KR200472773Y1 (en) * 2012-07-13 2014-05-22 장근수 Filter Needle and Assembly having the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080300542A1 (en) 2005-12-28 2008-12-04 Nippon Sherwood Medical Industries Ltd. Male Luer Connector
JP2009544455A (en) 2006-07-28 2009-12-17 ベクトン・ディキンソン・アンド・カンパニー Vascular access device

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Publication number Publication date
KR20160053657A (en) 2016-05-13
WO2016072552A1 (en) 2016-05-12

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