Adhesive injection site

• US 8,674,165 B2
• Filed: 07/08/2011
• Issued: 03/18/2014
• Est. Priority Date: 09/16/2004
• Status: Expired due to Fees

• Current Assignee: Lifestream Medical Corporation
• Original Assignee: Lifestream Medical Corporation
• Inventors: Utterberg, David S., Schnell, William J.
• Primary Examiner(s): Lewis, Kim M
• Application Number:
  US13/179,086
• Publication Number:
  US 20110264024A1
• Time in Patent Office: 984 Days
• Field of Search: 602/52, 602/53, 602 41- 43, 604/174, 604304-308, 604179-180
• US Class Current: 602/53
• CPC Class Codes: A61F 13/0243 characterised by the properties of the skin contacting layer, e.g. air-vapor permeability
• CPC Class Codes: A61F 13/0246 characterised by the skin-adhering layer
• CPC Class Codes: A61F 2013/00417 pierced by needle
• CPC Class Codes: A61F 2013/00468 applying local pressure

Abstract

A pad of elastomeric material having a softness of no more than about durometer 30 Shore 00. The pad may carry adhesive for adhering the pad to a surface, either directly or indirectly through an envelope which surrounds the pad and carries the adhesive. Such a pad exhibits hemostatic and leak prevention properties against needle puncture holes in the skin or the wall of a hollow medical device. Particularly, hemostasis may be prevented with low pressure application of the pad to the skin. The pad may be previously applied to the skin of the patient or a wall of a medical device such as tubing or a solution bag, and the needle may then penetrate both the pad and the skin or medical device wall, to make a resealable puncture with leakage reduction and hemostasis when the needle is withdrawn.

Claims

1. A method for suppressing leakage from a wall of a leakable object after removal of a needle from the wall comprising:

coupling a pad to the wall, the pad consisting essentially of an elastomer having a hardness of no more than about durometer 30 Shore 0;

passing the needle through the pad and the wall, thereby forming a hole in the wall; and

withdrawing the needle from the wall and the pad, wherein the pad suppresses leakage from the hole.

2. The method of claim 1 wherein the pad has a thickness of no more than 0.5 cm.

3. The method of claim 1 further comprising disposing the pad in an envelope having an adhesive on a side thereof adapted to removably couple the pad to the wall.

4. The method of claim 3 wherein the envelope defines a central opening to expose the pad disposed therein.

5. The method of claim 3 wherein the envelope includes a pair of opposing, major faces defining a central opening to expose the pad disposed therein.

6. The method of claim 1 wherein the pad is substantially free of a compression-providing housing.

7. The method of claim 1 wherein the pad has a thickness of greater than 0.5 cm.

8. The method of claim 1 wherein the pad has a smooth face in contact with the wall.

9. The method of claim 1 wherein the elastomer has an elongation to break of at least 500 percent.

10. The method of claim 1 wherein the pad is substantially free of compression.

11. The method of claim 1, wherein the leakable object is a patient and the wall is skin of the patient.

12. A method for suppressing leakage from skin of a patient after removal of a needle from the skin, comprising:

coupling a pad to the skin, the pad consisting essentially of an elastomer having a hardness of no more than about durometer 30 Shore 0;

passing a needle through the pad and the skin, thereby forming a hole in the skin; and

withdrawing the needle from the skin and the pad, wherein the pad suppresses leakage from the hole.

13. A medical apparatus for suppressing bleeding or leakage comprising:

a pad consisting of elastomeric material for homeostasis, the pad having a hardness of no more than about durometer 30 Shore 0; and

a strap integral with the pad and made of the elastomeric material.

14. The medical apparatus of claim 13 wherein the elastomeric material has an elongation to break of at least 500 percent.

15. The medical apparatus of claim 13 wherein the pad has a thickness at least three times a thickness of the retention straps.

16. The medical apparatus of claim 13 wherein the pad is substantially transparent.

17. A method of suppressing bleeding or leakage, from skin of a patient comprising:

providing a pad consisting of elastomeric material for homeostasis, the pad having a hardness of no more than about durometer 30 Shore 0; and

a strap integral with the pad and made of the elastomeric material

applying the medical apparatus around a needle insertion site of the skin and

overlapping the strap along at least part of a length of the strap, thereby retaining the pad on the needle insertion site.