Anchoring system for a medical article

• US 6,491,664 B2
• Filed: 08/17/1999
• Issued: 12/10/2002
• Est. Priority Date: 08/18/1998
• Status: Expired due to Term

• Current Assignee: Venetec International Incorporated (Becton, Dickinson & Co)
• Original Assignee: Venetec International Incorporated (Becton, Dickinson & Co)
• Inventors: Bierman, Steven F.
• Primary Examiner(s): Casler, Brian L.
• Assistant Examiner(s): Thanh, LoAn H.
• Application Number:
  US09/375,744
• Publication Number:
  US 20010039399A1
• Time in Patent Office: 1,211 Days
• Field of Search: 604/174, 604/177-178, 604/180, 24/31, 128/DIG.26, 128/6, 602/58, D24/128
• US Class Current: 604/180
• CPC Class Codes: A61M 2025/0213 where the catheter is attached by means specifically adapted to a part of the human body
• CPC Class Codes: A61M 2025/024 having a clip or clamp system
• CPC Class Codes: A61M 2025/0266 using pads, patches, tapes or the like
• CPC Class Codes: A61M 2025/028 having a mainly rigid support structure
• CPC Class Codes: A61M 25/02 Holding devices, e.g. on the body
• CPC Class Codes: Y10S 128/06 Intravenous injection support
• CPC Class Codes: Y10S 128/26 Cannula supporters

Abstract

An anchoring system includes a simply-structured device which permits a portion of a catheter or similar medical article to be easily anchored to a patient, desirably without the use of tape or needles and suturing. The anchoring system desirably includes a retainer and an anchor pad. The retainer is sized and configured to accept and retain a section of a catheter within the anchoring system and desirably includes a pair of posts and a clip. The posts are sized and configured to releasably accept holes formed in the catheter or catheter fitting. The clip is sized and configured to releasably accept a portion of the catheter. The anchor pad secures the retainer to a patient'"'"'s skin.

Claims

1. An anchoring system for securing a medical article having an elongated body to a patient, comprising:

an anchor pad having a first surface and a second surface, the second surface including an adhesive layer that covers at least a portion of the second surface;

a retainer mounted on the first surface of the anchor pad for receiving a portion of the elongated body of the medical article, the retainer having a base attached to the first surface and at least one post extending from the retainer base generally along an axis, the post having a securing portion arranged toward an outer end of the post; and

at least one clip having a clip interior that is sized and configured to receive at least a portion of the elongated body of the medical article, the clip being disposed on the retainer base near to the post and the clip being arranged such that the elongated body of the medical article generally lies to a first side of the post when the medical article is positioned in the clip and wherein the securing portion of the post is configured to extend at least from a side of the post other than the first side, and the clip including a side opening, whereby the portion of the elongated body of the medical article is inserted into the clip interior in a direction that is generally normal to the axis of the post.

2. An anchoring system as in claim 1, wherein the retainer includes a second post, and both of the posts comprise a shaft attached to and extending from the base, and both of the posts include a securing portion that is sized and configured to permit engagement between a portion of the medical article and the shafts and to inhibit unintentional disengagement of the portion of the medical article from the shaft once engaged.

3. An anchoring system as in claim 2, wherein the securing portion of each post includes a head, at least a portion of the head having a perimeter six larger than a perimeter size of the corresponding shaft.

4. An anchoring system as in claim 3, wherein one of the posts has a head that further comprises a radially extended portion that faces away from the head of the other post.

5. An anchoring system as in claim 4, wherein the extended portion is angled toward the retainer base.

6. An anchoring system as in claim 5, wherein the extended portion has a taper directed toward an outer end of the extended portion.

7. An anchoring system as in claim 3, wherein at least one of the posts has a head with a blunt rounded end distal of the retainer.

8. An anchoring system as in claim 3, wherein at least a portion of each of the head has as generally flat underside surface to inhibit unintentional disengagement of the medical article from the post once engaged.

9. An anchoring system as in claim 1, wherein the retainer includes a plurality of posts, and each of the posts has a shaft attached to and extending from base, and the securing portion is sized and configured to permit engagement between a portion of the medical article and the shaft, and to inhibit unintentional disengagement of the portion of the medical article from the shaft once engaged.

10. An anchoring system as in claim 9, wherein at least two posts are spaced apart by sufficient distance to accommodate at least a portion of an elongated medical article between the posts.

11. An anchoring system as in claim 10, wherein the clip is spaced from each post.

12. An anchoring system as in claim 11, wherein the clip is arranged along a line that substantially bisects a line between the two posts.

13. An anchoring system as in claim 9, wherein the securing portion of each post includes a head, at least a portion of the head having a peripheral size larger than a peripheral size of the corresponding shaft.

14. An anchoring system as in claim 13, wherein a circumference of the head is larger than a circumference of the shaft.

15. An anchoring system as in claim 9, wherein the securing portion of at least one of the posts includes a hook portion.

16. An anchoring system as in claim 15, wherein the hook portion is spaced from the shaft.

17. An anchoring system as in claim 2, wherein the securing portion of each post includes a bulb, at least a portion of the bulb having a perimeter size larger than a perimeter size of the corresponding shaft.

18. An anchoring system as in claim 17, wherein one of the posts has a bulb that further comprises a radially extended portion that faces away from the bulb of the other post.

19. An anchoring system as in claim 18, wherein the extended portion is curved toward the retainer base and has a taper directed toward an outer end of the extended portion to form a hook that further assists in engagement between the medical article and the post and inhibits unintentional disengagement of the medical article from the post once engaged.

20. An anchoring system as in claim 1, wherein the clip has a hook portion that extends toward the retainer and narrows an entranceway into an interior of the clip to inhibit unintentional disengagement of the medical article from the clip once engaged.

21. An anchoring system as in claim 20, wherein the hook portion is so configured to narrow the entranceway to a transverse height that is less than three-quarters of the transverse height of the engaged portion of the medical article.

22. An anchoring system as in claim 21, wherein the hook portion is so configured to narrow the entranceway to a transverse height that is about one-half of the transverse height of the engaged portion of the medical article.

23. An anchoring system as in claim 1, wherein the base, post and clips form a unitary structure.

24. An anchoring system as in claim 1 wherein the securing portion of the post is configured to extend at least from a second side of the post, the second side being generally opposite the first side of the post.

25. An anchoring system for securing an elongated medical article including at least one aperture to a patient, the anchoring system comprising an anchor pad and a retainer mounted to the anchor pad, the retainer including a base, a first retention member being positioned generally upright relative to the anchor pad, and being configured to be inserted through the aperture of the medical article, and a second retention member of which at least a portion is positioned to lie generally normal to the first retention member and is spaced from the anchor pad by a distance so dimensioned to permit at least a section of the elongated medical article to be placed between the portion of the second retention member and the anchor pad, the first retention member and the second retention member being disposed apart from each other on the base of the retainer, and the retainer further comprising a receiving space on the base between the first retention member and the second retention member, the receiving space configured to receive a portion of the elongated medical article such that the elongated medical article lies to a first side of the first retention member when the section of the elongated medical article is placed between the portion of the second retention member and the anchor pad, and the first retention member further comprises a securing portion which is configured to extend from at least a side of the first retention member other than the first side.

26. An anchoring system as in claim 25, wherein the retainer comprises a third retention member that is positioned generally normal to the second retention member.

27. An anchoring system as in claim 26, wherein the third retention member lies generally parallel to the first retention member.

28. An anchoring system as in claim 27, wherein each of the first and third retention members includes a post having a stem and a securing portion.

29. An anchoring system as in claim 28, wherein the securing portion of each post includes a hooked section that extends toward the anchor pad, and the hooked section is spaced from the post.

30. An anchoring system as in claim 25, in combination with an elongated medical article, wherein the aperture is formed in a wing section on the medical article.

31. A combination of claim 30, wherein the wing section is formed of a deformable material.

32. An anchoring system as in claim 25, wherein the first retention member includes means for engaging a portion of the medical article about the aperture so as to inhibit unintentional disengagement of the medical article from the first retention member.

33. An anchoring system as in claim 25, wherein the second retention member includes means for inhibiting the section of the elongated medical article, which is received in an interposed position between the portion of the second retention member and the anchor pad, from dislodging from the interposed position.

34. An anchoring system as in claim 25, wherein the retainer includes a third retention member that is positioned generally parallel to the first retention member.

35. An anchoring system as in claim 25 wherein the securing portion of the first retention member is configured to extend from at least a second side of the first retention member, the second side being generally opposite the first side.