Transcutaneous Implant for Skeletal Attachment of External Prosthetic Devices
First Claim
1. A transcutaneous device to anchor an external prosthetic device to a bone, the transcutaneous device comprising:
- a bone anchor configured for implantation into bone;
a prosthetic interface for connecting an external prosthetic device to the bone anchor, wherein the prosthetic interface comprises a shaped tissue ingrowth surface configured to maximize available surface area for soft tissue ingrowth and vascularization; and
a through-hole that traverses a longitudinal length of the prosthetic interface and at least a longitudinal portion of the bone anchor for receiving a fastener to reversibly connect the prosthetic interface to the bone anchor implanted in bone;
wherein the prosthetic interface is configured for implantation external to bone and for soft tissue ingrowth and vascularization after implantation.
2 Assignments
0 Petitions
Accused Products
Abstract
Provided herein are devices and methods for connecting a transcutaneous external prosthetic device to a bone, such as a bone of an amputee. The device is a two-piece transcutaneous implant device to provide reversible connection for ease of implantation, reliability, and relatively easy access for removal, while maximizing tissue ingrowth to reduce risk of infection and attendant adverse outcomes. The devices provided herein comprise a prosthetic interface and a bone anchor. A through-hole that traverses a longitudinal length of the prosthetic interface and at least a longitudinal portion of the bone anchor receives a fastener to reversibly connect the prosthetic interface to the bone anchor implanted in bone. A connector may connect to a failsafe element which, in turn, connects to an external prosthetic device.
-
Citations
33 Claims
-
1. A transcutaneous device to anchor an external prosthetic device to a bone, the transcutaneous device comprising:
-
a bone anchor configured for implantation into bone; a prosthetic interface for connecting an external prosthetic device to the bone anchor, wherein the prosthetic interface comprises a shaped tissue ingrowth surface configured to maximize available surface area for soft tissue ingrowth and vascularization; and a through-hole that traverses a longitudinal length of the prosthetic interface and at least a longitudinal portion of the bone anchor for receiving a fastener to reversibly connect the prosthetic interface to the bone anchor implanted in bone; wherein the prosthetic interface is configured for implantation external to bone and for soft tissue ingrowth and vascularization after implantation. - View Dependent Claims (2, 3, 5, 6, 8, 9, 11, 12, 13, 14, 15, 16, 17, 22, 23)
-
-
4. (canceled)
-
7. (canceled)
-
10. (canceled)
-
18. (canceled)
-
19. (canceled)
-
20. (canceled)
-
21. (canceled)
-
24. A method for implanting a transcutaneous device for connecting an external prosthetic device to a bone, said method comprising the steps of:
-
inserting a bone anchor into an intramedullary canal of the bone; providing a prosthetic interface; passing a fastener through a through-hole of the prosthetic interface and a through-hole of the bone anchor; and fastening the fastener to the bone anchor, thereby connecting the prosthetic interface to the bone anchor and arranging the prosthetic interface for receipt of an external prosthetic device. - View Dependent Claims (25, 26, 27)
-
-
28. (canceled)
-
29. (canceled)
-
30. (canceled)
-
31. (canceled)
-
32. (canceled)
-
33. (canceled)
Specification