FIXATION APPARATUS FOR A MEDICAL DEVICE

• US 20090287155A1
• Filed: 06/01/2007
• Published: 11/19/2009
• Est. Priority Date: 06/01/2006
• Status: Active Grant

• Current Assignee: Henry Ford Health System
• Original Assignee: Henry Ford Health System
• Inventors: Silich, Bert
• Granted Patent: US 7,799,000 B2
• Time in Patent Office: Days
• US Class Current: 604/174
• CPC Class Codes: A61M 2025/024 having a clip or clamp system
• CPC Class Codes: A61M 2025/0286 anchored in the skin by suture or other skin penetrating devices
• CPC Class Codes: A61M 25/02 Holding devices, e.g. on the body

Abstract

A fixation apparatus for attaching a medical device to a patient includes an attachment feature attached to the medical device and configured to cooperate with one or more surgical staples to facilitate stapling of the medical device to the patient. The attachment feature includes a staple receiving portion including two ends, each of which has a staple retaining end disposed adjacent thereto. The staple receiving portion is configured to receive surgical staples, and the staple retaining ends are configured to inhibit the staple receiving portion from dislodging from the surgical staples.

Claims

1. A fixation apparatus for attaching a medical device to a patient, the fixation apparatus comprising:

an attachment feature configured to cooperate with the medical device and at least one non-suture anchoring device to facilitate attachment of the medical device to the patient, the attachment feature including;

an anchor receiving portion having a first dimension and including two ends, the anchor receiving portion being configured to receive the at least one non-suture anchoring device, and

first and second anchor retaining ends respectively disposed adjacent one of the ends of the anchor receiving portion, each of the anchor retaining ends having a second dimension greater than the first dimension of the anchor receiving portion, thereby inhibiting the anchor receiving portion from dislodging from the at least one non-suture anchoring device when the at least one non-suture anchoring device is received by the anchor receiving portion.

2. The fixation apparatus of claim 1, wherein one of the anchor retaining ends includes a portion of the medical device.

3. The fixation apparatus of claim 1, wherein the two ends of the anchor receiving portion define a length, and a cross section of the anchor receiving portion taken perpendicularly to the length includes a first portion having a first width and a second portion adjacent the first portion and having a second width less than the first width, thereby creating at least one open area between the anchor receiving portion and a non-suture anchoring device disposed around the anchor receiving portion for facilitating removal of the non-suture anchoring device.

4. The fixation apparatus of claim 1, wherein the two ends of the anchor receiving portion define a length, and a cross section of the anchor receiving portion taken perpendicularly to the length has a width that is variable along a least a portion of the length.

5. The fixation apparatus of claim 4, wherein the anchor receiving portion includes a recess oriented generally transversely to the length and configured to cooperate with a non-suture anchoring device to inhibit movement of the fixation apparatus after the non-suture anchoring device is received by the anchor receiving portion.

6. The fixation apparatus of claim 1, wherein the two ends of the anchor receiving portion define a length, the anchor receiving portion including a width perpendicular to the length, and

wherein a cross section of the anchor receiving portion taken perpendicularly to the width has a height that is variable along a least a portion of the length.

7. The fixation apparatus of claim 1, wherein the attachment feature includes an aperture disposed therethrough for receiving an anchoring device secondary to the non-suture anchoring device.

8. The fixation apparatus of claim 7, wherein a perimeter of the anchor receiving portion and a perimeter of one of the anchor retaining ends defines a first contour, and

wherein the aperture in the attachment feature is defined by a second contour generally parallel to the first contour.

9. The fixation apparatus of claim 7, wherein the aperture is generally elongated along a length of the one of the anchor retaining ends.

10. The fixation apparatus of claim 1, further comprising:

two of the attachment features; and

a clamp portion disposed between the attachment features and configured for attachment to the medical device, the attachment features being attached to the clamp portion such that a force exerted on the attachment features opens the clamp portion to receive the medical device, and removal of the force biases the clamp portion against the medical device after the medical device is received in the clamp portion.

11. The fixation apparatus of claim 10, wherein the clamp portion is configured for attachment to a catheter clamp.

12. The fixation apparatus of claim 10, wherein the clamp portion is configured for attachment to a catheter line.

13. The fixation apparatus of claim 1, further comprising:

two of the attachment features; and

a flexible strap portion disposed between the attachment features and configured to be wrapped around the medical device to attach the strap portion to the medical device.

14. The fixation apparatus of claim 10, further comprising a suture receiving portion attached to the attachment feature and configured to receive at least one suture thereon.

15. The fixation apparatus of claim 14, wherein the suture receiving portion forms a closed polygonal structure for securing the at least one suture thereto.

16. The fixation apparatus of claim 14, wherein the attachment feature includes a terminated end forming at least a portion of the suture receiving portion.

17. A catheter clamp, comprising:

a tube retaining portion configured to receive a catheter line therein; and

an attachment feature configured to cooperate with the tube retaining portion and at least one surgical staple to facilitate stapling of the tube retaining portion to a patient, the attachment feature including;

a staple receiving portion including proximal and distal ends and a first dimension, the staple receiving portion being configured to receive the at least one surgical staple, the proximal end abutting the tube retaining portion, and

a retaining end disposed adjacent the distal end of the staple receiving portion, the retaining end having a second dimension greater than the first dimension of the staple receiving portion, thereby inhibiting the staple receiving portion from dislodging from the at least one staple when the at least one staple is received by the staple receiving portion.

18. The catheter clamp of claim 17, wherein the retaining end and the tube retaining portion define a length, and a cross section of the staple receiving portion transverse to the length includes a first portion having a first width and a second portion adjacent the first portion and having a second width less than the first width, thereby creating at least one open area between the anchor receiving portion and a staple disposed around the staple receiving portion for facilitating removal of the staple.

19. The catheter clamp of claim 17, wherein the retaining end and the tube retaining portion define a length, and a cross section of the staple receiving portion taken perpendicularly to the length has a width that is variable along a least a portion of the length.

20. The catheter clamp of claim 19, wherein the staple receiving portion includes a recess oriented generally transversely to the length and configured to cooperate with a staple to inhibit movement of the fixation apparatus after the staple is received by the staple receiving portion.

21. The catheter clamp of claim 17, wherein the retaining end and the tube retaining portion define a length, the staple receiving portion including a width perpendicular to the length, and

wherein a cross section of the staple receiving portion taken perpendicularly to the width has a height that is variable along a least a portion of the length.

22. The catheter clamp of claim 17, wherein the attachment feature includes an aperture disposed therethrough for receiving an anchoring device secondary to the staple.

23. The catheter clamp of claim 22, wherein a perimeter of the staple receiving portion and a perimeter of the retaining end defines a first contour, and

wherein the aperture in the attachment feature is defined by a second contour generally parallel to the first contour.

24. A catheter clamp in combination with a catheter kit, the combination comprising

a package for housing contents of the kit;

and

a plurality of medical devices disposed within the package for use in the installation of an indwelling catheter, the medical devices including a catheter clamp, including;

a tube retaining portion configured to receive a catheter line therein, and an attachment feature attached to the tube retaining portion and configured to cooperate with at least one surgical staple to facilitate stapling of the tube retaining portion to a patient, the attachment feature including;

a staple receiving portion including proximal and distal ends and a first dimension, the staple receiving portion being configured to receive the at least one surgical staple, the proximal end abutting the tube retaining portion, and

a retaining end disposed adjacent the distal end of the staple receiving portion, the retaining end being configured with a second dimension greater than the first dimension of the staple receiving portion, thereby inhibiting the staple receiving portion from dislodging from the at least one staple when the at least one staple is received by the staple receiving portion.

25. A method of installing an indwelling catheter in a patient and fixing the catheter to the patient using a catheter clamp having a tube receiving portion and a staple receiving portion including a proximal end and a distal end abutting the tube receiving portion, the staple receiving portion being configured to receive at least one surgical staple, the catheter clamp further including a retaining end disposed adjacent the distal end of the staple receiving portion, the method comprising:

selecting a method of invasion;

selecting a catheter;

selecting a place for entry on the patient;

inserting the catheter using the Seldinger technique; and

securing the catheter to the patient, including the step of disposing at least one surgical staple around at least a portion of the staple receiving portion of the catheter clamp such that a closed length of the at least one staple is less than a dimension of the retaining end of the catheter clamp, thereby inhibiting the staple receiving portion from dislodging from the at least one staple.