Subcutaneous infusion device

• US 5,980,506 A
• Filed: 03/20/1998
• Issued: 11/09/1999
• Est. Priority Date: 03/20/1998
• Status: Expired due to Term

• Current Assignee: Unomedical A/S
• Original Assignee: Maersk Medical AS
• Inventors: Mathiasen, Orla
• Primary Examiner(s): Coggins, Wynn Wood
• Assistant Examiner(s): Thanh, Loan H.
• Application Number:
  US09/045,480
• Time in Patent Office: 599 Days
• Field of Search: 604/93, 604/115, 604/116, 604/164, 604/167, 604/169, 604/245, 604/246, 604/256, 604/264, 604/280, 604/283, 604/909, 604/533, 604/535
• US Class Current: 604/535
• CPC Class Codes: A61M 2005/1587 suitable for being connected to an infusion line after insertion into a patient
• CPC Class Codes: A61M 25/0612 Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
• CPC Class Codes: A61M 39/10 Tube connectors; Tube couplings A61M39/02 takes precedence; connecting needles to syringes or hubs A61M5/34; connecting catheter tubes to hubs A61M25/0014
• CPC Class Codes: A61M 39/14 for connecting tubes having sealed ends needle sets A61M5/162; having valves closing automatically on disconnection of line A61M39/26
• CPC Class Codes: A61M 5/158 Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
• CPC Class Codes: Y10S 604/905 Aseptic connectors or couplings, e.g. frangible, piercable

Abstract

The invention relates to a subcutaneous infusion device comprising a housing; a flow channel within the housing; a cannula extending from the housing and being in flow communication with the flow channel; a connector for delivery of fluid into the flow channel; a guide means for guiding the connector with the needle into a correct position in relation to the housing; a base part where the housing is mounted pivotably in relation to this base part. By incorporating the housing pivotably in relation to a base part it is possible to pivote the housing to an increased angle in relation to the skin surface and hereby facilitate the mounting of the connector in the housing since there is now more space present for performing this operation. Hereby the handling of the device has been simplified.

Claims

1. A subcutaneous infusion device comprising:

a housing having an internal flow channel;

a base pivotally interconnected to the housing to allow pivotal movement of said housing with respect to said base between a first position and at least one second position;

a cannula extending from the housing and being in flow communication with said flow channel;

a connector having a needle for delivery of fluid into said flow channel, said connector removably connected to said housing;

guide means arranged on said housing and said connector for guiding the connector with the needle into a correct position in relation to the housing;

said base including means for preventing disconnection of said connector from said housing with said housing being in said first position.

2. A subcutaneous infusion device as claimed in claim 1, wherein the guide means comprises an elongate flexible element formed on the connector and having a barb, and wherein the housing comprises a recess for receiving the elongate flexible element and locking means adapted for engaging the barb on the elongate flexible element for securing said connector to said housing said device being formed such that the barb may be brought out of engagement with said locking means upon effecting a pressure on the flexible element.

3. A subcutaneous infusion device as claimed in claim 2, wherein the elongate flexible element is placed so as to cover the needle.

4. A subcutaneous infusion device as claimed in claim 1 where a self-sealing septum is provided for covering the flow channel, said needle being adapted for penetrating said self-sealing septum.

5. A subcutaneous infusion device comprising:

a housing having an internal flow channel;

a base pivotally interconnected to the housing to allow pivotal movement of said housing with respect to said base between a first position and at least one second position;

a cannula extending from said housing and being in flow communication with said flow channel;

a connector having a needle for delivery of fluid into said flow channel, said connector removably connected to the housing;

a locking element attached to the base for preventing disconnection of said connector from said housing with said housing being in said first position.

6. The subcutaneous infusion device of claim 5, wherein the locking element comprises a protrusion formed integrally with the base.

7. The subcutaneous infusion device of claim 6, wherein the locking element is positioned at a distal end of the base.

8. The subcutaneous infusion device of claim 7, wherein the locking element extends upward from the base in a direction generally perpendicular to the base.

9. The subcutaneous infusion device of claim 8, wherein when the housing is in the first position the locking element is arranged adjacent to a distal end of the housing to prevent the housing from moving in an axial direction.

10. A subcutaneous infusion device, comprising:

a housing;

a flow channel within the housing;

a cannula extending from the housing and being in flow communication with said flow channel;

a connector having a needle for delivery of fluid into said flow channel, said connector removable connected to said housing;

guide means arranged on said housing and said connector for guiding the connector with the needle into a correct position in relation to the housing;

a base part where the housing is mounted pivotably in relation to this base part; and

wherein the guide means comprises an elongate flexible element formed on the connector and having a barb, and wherein the housing comprises a recess for receiving the elongate flexible element and a locking means adapted for engaging the barb on the elongate flexible element for securing said connector to said housing said device being formed such that the barb may be brought out of engagement with said locking means upon effecting a pressure on the flexible element.

11. The subcutaneous infusion device of claim 10, wherein the elongate flexible element is placed so as to cover the needle.

12. A subcutaneous infusion device, comprising:

a housing;

a flow channel within the housing;

a cannula extending from the housing and being in flow communication with said flow channel;

a connector having a needle for delivery of fluid into said flow channel, said connector removably connected to said housing;

guide means arranged on said housing and said connector for guiding the connector with the needle into a correct position in relation to the housing;

a base part where the housing is mounted pivotably in relation to this base part; and

a self sealing septum is provided for covering the flow channel, said needle being adapted for covering the flow channel, said needle being adapted for penetrating said self-sealing septum.