EP0975301B1 - Steriler konnektor - Google Patents
Steriler konnektor Download PDFInfo
- Publication number
- EP0975301B1 EP0975301B1 EP98922774A EP98922774A EP0975301B1 EP 0975301 B1 EP0975301 B1 EP 0975301B1 EP 98922774 A EP98922774 A EP 98922774A EP 98922774 A EP98922774 A EP 98922774A EP 0975301 B1 EP0975301 B1 EP 0975301B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connector
- coupler
- membrane
- sterile connector
- protective cap
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS 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
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
- A61J1/10—Bag-type containers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS 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
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/1406—Septums, pierceable membranes
Definitions
- the invention relates to a sterile connector for connecting a hose line to a container containing a medical liquid, in particular a container filled with a liquid for enteral nutrition.
- a foil bag for medical fluids with a sterile connector for connecting a hose line is known from US-A-4201406.
- the bag has a tubular connecting piece which can be pierced with a Membrane is closed.
- the membrane of the well-known connector is a plastic plate that is an integral part of the connection piece.
- the hose line to be connected to the connector also has a Spike marked spike.
- the spike is made of a tubular Surround the body concentrically, which can be pushed onto the connecting piece.
- the piercing mandrel is inserted into the connecting piece inserted, causing the membrane to be pierced and the fluid connection between the inside of the bag and the hose line connected to the spike will be produced.
- the film bag can be closed sterile be, however, proves to be disadvantageous that the lying in front of the membrane Part of the connection piece is unprotected. There is therefore a risk that the Piercing the membrane germs are introduced into the bag.
- DE 2458220 A1 describes a sterile connector that has a tubular Lower part and a tubular upper part comprises a pierceable membrane closes, which is an integral part of the upper part.
- the lower part of the Connector is welded to the bag and the bag is through the Bottom part opening filled. After filling the bag, the top part inserted in the lower part, whereby the upper and lower part have flanges, that are sealed together.
- a tear-off cover is provided for the upper part of the connector.
- EP 0732114 A1 describes a film bag for a liquid for enteralization Nutrition, which is applied to the pouch film from the outside Connector.
- the essentially tubular connector has on its end of the bag on a flange that is flat on the outside of the bag film rests.
- the pierceable membrane of the film of the bag itself.
- connection piece for a flexible film bag known, which is closed by a membrane.
- the membrane can with a piercing spike integrated in the protective cap Improvement of the gas barrier is proposed as a membrane as a membrane use that is welded to the underside of the connector.
- the invention is based, one for the sterilization in the task Autoclaves to create a suitable connector that provides high security against Germination of the container offers, easy to handle and large Lots can be produced inexpensively.
- the pierceable membrane is as a the channel-shaped recess, preferably the entire bottom of the Connection piece covering film formed on the underside of the the bag film is welded weldable connector. Therefore the connector does not need to be attached to the outside of the bag film be, but the connector can be with the inside of the film are welded, as is the case with the known connectors whose Membrane is an integral part of the connector. With such a Welded joint, production security is improved.
- the protective cap that closes the tubular upper part of the connection piece is designed as a break-off part, the one-piece part of the connector is. Due to the one-piece design, additional processes after the Sterilization, such as drying, disinfecting, screwing etc. are not necessary. This is This is particularly advantageous in the case of flexible packaging, since the effort for additional steps after sterilization is particularly high here.
- the protective cap Before inserting the piercing mandrel into the channel-shaped recess of the The protective cap is removed from the connector by turning the same canceled. Since the tubular section of the connector only now exposed, there is little risk that when inserting the mandrel Germs are introduced into the container.
- the protective cap is not only used for bacterial protection of the puncture site, but also provides a tamper-evident seal represents.
- the membrane film can be sterile with the directly after the injection molding Bottom of the connector are welded so that the space in front of the Membrane is tightly closed. In the event that this weld is not under sterile conditions, a drop of water can enter the closed cavity to be introduced during sterilization evaporates, permitting safe sterilization of the cavity.
- the membrane film preferably has an oxygen barrier of less than 1 cm 3 / m 2 d bar.
- the protective cap has a relatively small diameter and the wall of the protective cap in the area of the ring break zone relative is thin-walled, so that the protective cap can be easily broken off. Therefore, at the upper edge of the tubular upper part of the connector circumferential approach, which is followed by a receptacle, that seals the spike.
- a receptacle for a spike is known from US-A-4523691.
- the bottom edge of the protective cap, which has a relatively small diameter is with the inside projecting approach connected via a ring fracture zone.
- the connector according to the invention can be used in medical packaging units different training can be used.
- a preferred area of application are with a medical fluid, especially a fluid for enteral nutrition, filled foil bags.
- the connector 1 manufactured as an injection molded part from polypropylene comprises a Connection piece 2 with a lower part 3 designed in the manner of a boat and a tubular upper part 4 and a protective cap 5.
- the lower part 3 has a tubular section 6 with two radially protruding wing-like approaches 7, 8 is provided, which lie in one plane.
- the wing-like Lugs 7, 8 carry ribs 9 which are pointed towards the ends of the lugs run.
- the lower part 3 is known with the inside of the bag film Welded foil bags for medical fluids.
- the tubular upper part 4, which connects to the lower part 3, is with a External thread 10 provided for screwing on a union nut.
- the upper part 4 On his upper edge, the upper part 4 has a circumferential, inwardly projecting Approach 11, which in a receptacle 12 for the rotation-proof reception of a Spike passes.
- the receiving piece 12 has a rectangular shape Cross-section with rounded corners, which corresponds to the cross-section of the spike equivalent.
- the protective cap closing the upper part 4 of the connector 1 5 is provided in the region of its lower edge with an annular break zone 13 and connected to the inwardly projecting neck 11 of the upper part 4, wherein the protective cap has a cylindrical recess 14.
- the as a break off part Protective cap 5 is formed with two radially projecting wings 15, 16 Mistake. To open the connector, the protective cap 5 is about its longitudinal axis rotated so that the wall of the annular weakening zone 13th breaks.
- the channel-shaped recess 17 of the connector 1 is closed with a film 18 which has an oxygen permeability less than 1 cm 3 / m 2 d bar.
- the membrane film 18 is welded to the underside of the lower connector part 3. It extends almost over the entire lower surface of the connector and is enclosed by a peripheral edge 3a.
- Figure 4 shows the connector assembly consisting of the connector 1 and the spike 19 with spigot 20.
- the tubular spike 19 has a tip 21 at one end and can be attached to it the other end with a plastic tube, not shown in the figures of a hose line system, which is in the upper approach 22nd of the piercing mandrel 19 is inserted.
- the spike seals against from the inner receptacle 12 of the connector top 4.
- the piercing mandrel 19 has a circumferential one Edge 23, which is in the retracted position of the mandrel on the supports the upper edge of the connector upper part 4.
- the union nut 20 is on ribbed on the outside. The nut is against losing by one circumferential web 24 on the hose-side end piece 22 of the piercing mandrel 19 secured.
- FIG. 5 shows the connector arrangement with pierced membrane film 18 and screwed union nut 20.
- the circumferential neck 23 on the outside the piercing mandrel 19 is in this position between the tubular Connector upper part 4 and the inwardly projecting edge 25 of the union nut 20 jammed. In this position the tip of the spike extends through the membrane film into the inside of the bag.
- FIG. 6 shows a foil bag which is filled with a medical liquid for the enteral nutrition is filled.
- the bag consists of two superimposed, at their edges welded together plastic films 26, which have a sealing layer made of polypropylene on the inside and with the Lower part 3 of the connector 1 of the connector are welded. After this Twisting off the protective cap 5 is connected to a hose system Spike inserted and tightened by means of the union nut, whereby the fluid connection between the inside of the bag and the tube system will be produced.
Landscapes
- Health & Medical Sciences (AREA)
- Hematology (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Bag Frames (AREA)
Description
- Figur 1
- eine bevorzugte Ausführungsform des Konnektors in geschnittener Darstellung,
- Figur 2
- den Konnektor von Figur 1 in der Draufsicht,
- Figur 3
- den Konnektor von Figur 1 aus der Ansicht des Pfeils III von Figur 1,
- Figur 4
- eine bevorzugte Ausführungsform einer Konnektoranordnung bestehend aus dem Konnektor von Figur 1 und einem Einstechdorn mit Überwurfmutter, wobei der Einsiechdorn in das Anschlußstück eingeschoben, die Folienmembran aber noch nicht durchstochen ist,
- Figur 5
- die Konnektoranordnung von Figur 4, wobei die Folienmembran durchstochen ist und
- Figur 6
- eine vereinfachte Darstellung eines Folienbeutels mit dem Konnektor von Figur 1.
Claims (7)
- Steriler Konnektor zum Anschluß einer Schlauchleitung an einen eine medizinische Flüssigkeit enthaltenden Behälter,
mit einem Anschlußstück (2), das mit einer kanalförmigen Ausnehmung (17) versehen ist, die von einer durchstechbaren Membran (18) verschlossen ist, wobei die durchstechbare Membran (18) als eine die kanalförmige Ausnehmung (17) abdeckende Folie ausgebildet ist, die mit der Unterseite des Anschlußstücks verschweißt ist und wobei das Anschlußstück ein in die Behälterwand einsetzbares und gegenüber der Behälterwand abdichtbares Unterteil (3) und ein rohrförmiges Oberteil (4) zur Aufnahme eines Einstechdorns aufweist, an dem die Schlauchleitung angeschlossen ist, und wobei eine als Abbrechteil ausgebildete Schutzkappe (5) vorgesehen ist, die das rohrformige Oberteil (4) des Anschlußstücks (2) verschließt,
dadurch gekennzeichnet, daß der obere Rand des rohrförmigen Oberteils (4) einen nach innen weisenden umlaufenden Ansatz (11) aufweist, an den sich ein Aufnahmestück (12) anschließt, der den Einstechdorn abdichtend aufnimmt, wobei der untere Rand der Schutzkappe (5) mit dem umlaufenden Ansatz (11) verbunden ist und im Bereich ihres unteren Randes mit einer Ringbruchzone (13) versehen ist. - Steriler Konnektor nach Anspruch 1, dadurch gekennzeichnet, daß die Folie eine Sauerstoffbarriere von kleiner als 1 cm3/m2 d bar hat.
- Steriler Konnektor nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Anschlußstück (2) und die Schutzkappe (5) aus Polypropylen bestehen.
- Steriler Konnektor nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß an der Unterseite des Anschlußstücks ein die Folie umschließender Rand (3a), vorgesehen ist.
- Steriler Konnektor nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das rohrförmige Oberteil (4) des Anschlußstücks (2) mit einem Außengewinde (10) versehen ist, auf das eine Überwurfmutter (20) aufschraubbar ist.
- Behälter mit einem sterilen Konnektor (1) nach einem der Ansprüche 1 bis 5.
- Behälter nach Anspruch 6, dadurch gekennzeichnet, daß der Behälter ein mit einer medizinischen Flüssigkeit, insbesondere einer Flüssigkeit zur enteralen Ernährung, befüllter Folienbeutel ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19717765 | 1997-04-26 | ||
DE19717765A DE19717765C1 (de) | 1997-04-26 | 1997-04-26 | Steriler Konnektor und Folienbeutel mit einem sterilen Konnektor |
PCT/EP1998/002438 WO1998048765A1 (de) | 1997-04-26 | 1998-04-24 | Steriler konnektor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0975301A1 EP0975301A1 (de) | 2000-02-02 |
EP0975301B1 true EP0975301B1 (de) | 2002-07-31 |
Family
ID=7827891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98922774A Expired - Lifetime EP0975301B1 (de) | 1997-04-26 | 1998-04-24 | Steriler konnektor |
Country Status (10)
Country | Link |
---|---|
US (1) | US6485479B1 (de) |
EP (1) | EP0975301B1 (de) |
JP (1) | JP2001522280A (de) |
KR (1) | KR100502245B1 (de) |
CN (1) | CN1232240C (de) |
AR (1) | AR011468A1 (de) |
BR (1) | BR9809308A (de) |
DE (2) | DE19717765C1 (de) |
ES (1) | ES2181221T3 (de) |
WO (1) | WO1998048765A1 (de) |
Cited By (1)
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CN102319179A (zh) * | 2011-08-23 | 2012-01-18 | 四川大学华西医院 | 药液的注射式输送容器 |
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US4201406A (en) * | 1978-11-13 | 1980-05-06 | Baxter Travenol Laboratories, Inc. | Spike connector for solution bag |
US4547900A (en) * | 1979-12-26 | 1985-10-15 | Abbott Laboratories | Flexible container with integral ports and diaphragm |
SE455165B (sv) * | 1982-06-01 | 1988-06-27 | Haustrup Plastic As | Anordning vid behallare |
US4523691A (en) * | 1983-04-08 | 1985-06-18 | Abbott Laboratories | Port structure for I.V. container |
US4601704A (en) * | 1983-10-27 | 1986-07-22 | Abbott Laboratories | Container mixing system with externally mounted drug container |
FR2731621B1 (fr) * | 1995-03-13 | 1997-09-05 | Clintec Nutrition Co | Dispositif de perforation et ensemble de raccordement pour systeme d'alimentation par voie enterale et procede de raccordement |
-
1997
- 1997-04-26 DE DE19717765A patent/DE19717765C1/de not_active Expired - Lifetime
-
1998
- 1998-04-24 WO PCT/EP1998/002438 patent/WO1998048765A1/de active IP Right Grant
- 1998-04-24 JP JP54659098A patent/JP2001522280A/ja active Pending
- 1998-04-24 ES ES98922774T patent/ES2181221T3/es not_active Expired - Lifetime
- 1998-04-24 KR KR10-1999-7009791A patent/KR100502245B1/ko not_active IP Right Cessation
- 1998-04-24 BR BR9809308-8A patent/BR9809308A/pt not_active IP Right Cessation
- 1998-04-24 CN CNB988045354A patent/CN1232240C/zh not_active Expired - Lifetime
- 1998-04-24 DE DE59805003T patent/DE59805003D1/de not_active Expired - Lifetime
- 1998-04-24 AR ARP980101896A patent/AR011468A1/es active IP Right Grant
- 1998-04-24 EP EP98922774A patent/EP0975301B1/de not_active Expired - Lifetime
-
1999
- 1999-10-26 US US09/426,851 patent/US6485479B1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102319179A (zh) * | 2011-08-23 | 2012-01-18 | 四川大学华西医院 | 药液的注射式输送容器 |
CN102319179B (zh) * | 2011-08-23 | 2013-10-09 | 四川大学华西医院 | 药液的注射式输送容器 |
Also Published As
Publication number | Publication date |
---|---|
AR011468A1 (es) | 2000-08-16 |
DE19717765C1 (de) | 1999-02-25 |
BR9809308A (pt) | 2000-07-04 |
EP0975301A1 (de) | 2000-02-02 |
WO1998048765A1 (de) | 1998-11-05 |
DE59805003D1 (de) | 2002-09-05 |
CN1253489A (zh) | 2000-05-17 |
CN1232240C (zh) | 2005-12-21 |
ES2181221T3 (es) | 2003-02-16 |
JP2001522280A (ja) | 2001-11-13 |
KR100502245B1 (ko) | 2005-07-22 |
KR20010020210A (ko) | 2001-03-15 |
US6485479B1 (en) | 2002-11-26 |
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