WO1998026820A1 - Gerät zur instillation oder injektion von arzneimitteln - Google Patents
Gerät zur instillation oder injektion von arzneimitteln Download PDFInfo
- Publication number
- WO1998026820A1 WO1998026820A1 PCT/EP1997/007003 EP9707003W WO9826820A1 WO 1998026820 A1 WO1998026820 A1 WO 1998026820A1 EP 9707003 W EP9707003 W EP 9707003W WO 9826820 A1 WO9826820 A1 WO 9826820A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cylinder
- storage cylinder
- container
- hollow piston
- hollow
- 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.)
- Ceased
Links
Classifications
-
- 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
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14212—Pumping with an aspiration and an expulsion action
- A61M5/1424—Manually operated pumps
Definitions
- the receptacle is a storage cylinder for the container which can be locked therein, so that accidental loosening of the container or incorrect placement on the receptacle is prevented safely and effectively.
- the pump can be constructed from a cylinder which is open at one end and has a connection for a catheter device at the other end, and from the hollow piston which can be moved in the cylinder and extends beyond the open end as a receptacle for the container which can be locked therein Storage cylinder be formed, so that in this device the container does not have to be held on or in the receptacle to prevent accidental loosening because it is withdrawn from direct access after insertion into the hollow piston and can only be moved together with the hollow piston.
- the pumping action required to move the contents of the container is generated by moving the hollow piston in the cylinder.
- the storage cylinder can advantageously have a bottom on the underside with a hollow mandrel which is arranged essentially in the center and extends into the storage cylinder.
- the hollow piston can also have a bottom on the cylinder side with a substantially centrally arranged hollow mandrel which extends into the hollow piston and is connected to an outlet opening into the cylinder. Accordingly, the rubber stopper of the container is only pierced when the container is inserted into the hollow piston.
- the hollow mandrel can be surrounded by a guide collar for the container opening.
- the guide collar can advantageously have beveled, in particular conically tapering inner flanks through which the container opening is automatically guided into the correct position when inserted.
- the storage cylinder can have at its upper end a lid which can be locked with the storage cylinder and to which a plunger projecting into the storage cylinder connects, between which and the bottom of the storage cylinder the container can be clamped.
- the hollow piston can also protrude from the end of the cylinder, which can be locked with the hollow piston, to which a plunger projecting into the hollow piston connects, between which and the bottom of the hollow piston the container can be clamped.
- the lid can be designed as a screw cap and can be screwed into or onto an associated thread of the hollow piston or of the storage cylinder, so that the container after it has been inserted into the hollow piston and the cover is placed on the hollow piston, pressed against the bottom of the hollow piston by a screwing movement and thus the hollow mandrel is pressed through the rubber stopper.
- the thread can have a relatively large thread pitch, so that, for example, a single turn of the lid is sufficient to pierce the rubber stopper and lock the container in the hollow piston.
- the cover can have a handle on the outside.
- the catheter device can have a valve on the device side in a known manner, and an inlet for a liquid secured with a check valve can be arranged between the connection of the cylinder or between the storage cylinder and the valve of the catheter device.
- a raised, circumferential ring can be formed between the hollow mandrel and the guide collar, so that a sealing of the hollow mandrel pressed through the rubber plug is achieved.
- the device can be designed as a closed system, so that the risk of accidental external contact with the drug is completely ruled out for both the patient and the staff using the drug, in particular the cytostatic agent, and the possibility of contamination of the drug is avoided.
- Exemplary embodiments of the invention illustrated in the drawing are explained below; show it:
- FIG. 1 shows a longitudinal section through a first exemplary embodiment
- FIG. 3 shows another longitudinal section of the object according to FIG. 2.
- Fig. 1 is a device for instillation or for the injection of drugs with a balloon-like, hand-operated pump la, which on one side contains a valve 2 provided with a connection 2 for a catheter device, not shown in the drawing, and on the other side a hose section with a receptacle for a container containing the drug.
- the receptacle consists of a storage cylinder 3a with a lower base 4.
- a container 10 with a container opening 11 is inserted into the storage cylinder 3a.
- the hollow mandrel 5 has a rubber stopper which closes the container opening 11
- the device shown in FIG. 2 includes an elongated cylinder 1, which is open at one end and has a connection 2 at the other end for a catheter device device, not shown.
- a hollow piston 3 is guided in the cylinder 1 and extends beyond the open end of the cylinder 1 and has a bottom 4 on the cylinder side.
- a hollow mandrel 5 " extending into the hollow piston 3 is arranged in the center of the bottom 4 and is connected to a nozzle-like outlet 6 opening into the cylinder 1.
- the outlet 6 is surrounded by a collar 7, one of which is connected to the inside of the cylinder 1 cooperating seal 8.
- the hollow mandrel 5 is surrounded by a guide collar 9 starting from the bottom 4 with bevelled inner flanks.
- a container 10 with a container opening 11 is inserted into the hollow piston 3.
- the container 10 contains a cyto- static, which can be liquid, powdered or solid, possibly freeze-dried.
- the container opening 11 engages in the guide collar 9.
- the hollow mandrel 5 has pierced the rubber stopper 12 and is sealed by a raised circumferential ring 17 which presses against the rubber stopper 12.
- the hollow piston 3 has a cover 13 which can be locked with the hollow piston 3 and which is adjoined by a plunger 14 which projects into the hollow piston 3 and between which and the bottom 4 of the hollow piston 3 the container 10 is clamped is.
- the cover 13 is designed as a screw cover and screwed onto an associated thread 15 on the outside of the hollow piston 3.
- the thread 15 has such a pitch that practically with one revolution of the cover 13 a container 10 inserted into the hollow piston 3 reaches the functional position shown in the drawing. Otherwise, the cover 13 has a handle 16 on the outside.
- the device shown works as follows: with the cover 13 removed, the container 10 closed with the rubber stopper 12 is inserted into the hollow piston 3. Then the cover 13 is placed on the hollow piston 3 and screwed onto the thread 15. The container 10 is directed towards the bottom 4 of the hollow piston 3 pressed, the hollow mandrel 5 piercing the rubber stopper 12. The container 10 is then locked in the hollow piston 3. With the valve of the catheter device closed, a pumping action with pressure fluctuations can now be generated by reciprocating the hollow piston 3 in the cylinder 1, which leads to liquid getting into the container 10 and dissolving its contents and transporting it into the cylinder space. When the cylinder space is filled with the desired solution, the valve of the catheter device is opened and the solution can be instilled into the body cavity by further pushing the hollow piston 3 into the cylinder 1.
Landscapes
- 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
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002274835A CA2274835A1 (en) | 1996-12-17 | 1997-12-12 | Device for the instillation or injection of medicaments |
| EP97954397A EP0954343B1 (de) | 1996-12-17 | 1997-12-12 | Gerät zur instillation oder injektion von arzneimitteln |
| DE59711890T DE59711890D1 (de) | 1996-12-17 | 1997-12-12 | Gerät zur instillation oder injektion von arzneimitteln |
| AT97954397T ATE274935T1 (de) | 1996-12-17 | 1997-12-12 | Gerät zur instillation oder injektion von arzneimitteln |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29621797.2 | 1996-12-17 | ||
| DE29621797 | 1996-12-17 | ||
| DE29700746.7 | 1997-01-17 | ||
| DE29700746U DE29700746U1 (de) | 1996-12-17 | 1997-01-17 | Gerät zur Instillation oder Injektion von Arzneimitteln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1998026820A1 true WO1998026820A1 (de) | 1998-06-25 |
Family
ID=26059752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP1997/007003 Ceased WO1998026820A1 (de) | 1996-12-17 | 1997-12-12 | Gerät zur instillation oder injektion von arzneimitteln |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0954343B1 (de) |
| AT (1) | ATE274935T1 (de) |
| CA (1) | CA2274835A1 (de) |
| WO (1) | WO1998026820A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100534539C (zh) * | 2005-12-08 | 2009-09-02 | 俞炳彦 | 便携式冲洗器用的冲洗用水桶 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4804366A (en) * | 1987-10-29 | 1989-02-14 | Baxter International Inc. | Cartridge and adapter for introducing a beneficial agent into an intravenous delivery system |
| US4834705A (en) * | 1987-05-11 | 1989-05-30 | Vaillancourt Vincent L | Drug dispensing system |
| WO1995001197A1 (en) * | 1993-06-30 | 1995-01-12 | Baxter International Inc. | Drug delivery system |
-
1997
- 1997-12-12 EP EP97954397A patent/EP0954343B1/de not_active Expired - Lifetime
- 1997-12-12 AT AT97954397T patent/ATE274935T1/de not_active IP Right Cessation
- 1997-12-12 WO PCT/EP1997/007003 patent/WO1998026820A1/de not_active Ceased
- 1997-12-12 CA CA002274835A patent/CA2274835A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834705A (en) * | 1987-05-11 | 1989-05-30 | Vaillancourt Vincent L | Drug dispensing system |
| US4804366A (en) * | 1987-10-29 | 1989-02-14 | Baxter International Inc. | Cartridge and adapter for introducing a beneficial agent into an intravenous delivery system |
| WO1995001197A1 (en) * | 1993-06-30 | 1995-01-12 | Baxter International Inc. | Drug delivery system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100534539C (zh) * | 2005-12-08 | 2009-09-02 | 俞炳彦 | 便携式冲洗器用的冲洗用水桶 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2274835A1 (en) | 1998-06-25 |
| EP0954343A1 (de) | 1999-11-10 |
| EP0954343B1 (de) | 2004-09-01 |
| ATE274935T1 (de) | 2004-09-15 |
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