Inserter for Infusion Part and Infusion Part Provided with Needle Protector

• US 20100022960A1
• Filed: 02/28/2007
• Published: 01/28/2010
• Est. Priority Date: 02/28/2006
• Status: Active Grant

• Current Assignee: Unomedical A/S
• Original Assignee: Unomedical A/S
• Inventors: Mejlhede, Signe T., Mogensen, Lasse W., Göransson, Magnus W.
• Granted Patent: US 9,211,379 B2
• Time in Patent Office: Days
• US Class Current: 604/180
• CPC Class Codes: A61M 2005/1585 Needle inserters
• 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 5/158 Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body

Abstract

The invention relates to an infusion part (1), as well as to a simple, non-expensive inserter for said infusion part which inserter would be easy and safe for the user to handle during use and to dispose of after use. The inserter comprises a housing (26), a spring unit (19) and a sled unit (11) connected to the housing via the spring unit. The infusion part comprises a cannula (6) integrated with an insertion needle (7) and a needle protection (4) releasably secured to the infusion part and removable from the position where it protects the needle by applying a force perpendicular to the axis of the needle.

Claims

1. An inserter comprising:

a housing,

a sled unit, the sled unit positioned at least partially within the housing and movable relative to the housing from at least a first position to at least one second position,

a spring unit, the spring unit operably connecting the housing and the sled unit,

an infusion part comprising a cannula and an insertion needle, the infusion part releasably connected to the sled unit, and

a needle protector comprising an infusion part contact surface operably secured to the infusion part.

2. The inserter according to claim 1, wherein the infusion part is provided with at least one mounting pad and the needle protector is releasably connected to the mounting pad.

3. The inserter according to claim 1, wherein the needle protector operably connects to a part of the housing.

4. The inserter according to claim 3, wherein the needle protector comprises a dimensionally stable material fastened to the infusion part in at least two positions.

5. The inserter according to claim 4, wherein a first contact surface of the needle protector operably contacts a surface of the housing and is configured to stop the movement of the first contact surface, and the infusion part contact surface of the needle protector is configured to continually move in the direction of the at least one second position of the sled unit when the sled unit moves from the first position to the at least one second position.

14. The inserter of claim 1, wherein the inserter further comprises a mounting pad to operably secured the infusion part contact surface to the infusion part.

15. The inserter of claim 1, wherein the infusion part contact surface is directly secured to the infusion part.

6. An infusion part comprising a cannula having an insertion needle extending therethrough, at least one mounting pad, and a needle protector having an infusion part contact surface operably secured to the infusion part, the needle protector being movably positionable away from a first position wherein the needle protector protects the insertion needle by applying a force in a direction substantially perpendicular to an axis formed by the insertion needle or in a direction toward the infusion part.

7. The infusion part according to claim 6, wherein the needle protector is releasably secured to the at least one mounting pad.

8. The infusion part according to claim 7, wherein the mounting pad is secured unreleasably to the infusion part.

9. The infusion part according to claim 6, wherein at least a part of the needle protector comprises a material which cannot be penetrated by the insertion needle.

10. The infusion part according to claim 6, wherein the mounting pad has a proximal side at least partly provided with an adhesive.

11. The infusion part according to claim 10, wherein the needle protector is operably secured to a surface of the mounting pad and said mounting pad is at least partly provided with an adhesive.

12. The infusion part according to claim 6, wherein the needle protector is operably connected to a release layer and the release layer is adhered to a proximal side of the mounting pad.

13. The infusion part according to claim 6, wherein the needle protector comprises an adhesive surface.

16. An inserter comprising:

a housing;

a carrier, the carrier positioned at least partially within the housing and movable relative to the housing from at least a first position to at least one second position along a longitudinal axis;

a spring unit, the spring unit operably connecting the housing and the carrier;

an infusion part releasably connected to the carrier, the infusion part comprising a cannula having an insertion needle extending therethrough; and

a needle protector comprising an infusion part contact surface operably secured to the infusion part and a needle covering portion, the needle protector being movably positionable so that the needle covering portion protects the needle in a first position and the needle covering portion is generally axially movable to a second position away from the longitudinal axis to expose the needle.

17. The inserter of claim 16, wherein the infusion part contact surface is directly secured to the infusion part.