Medical anchor device
A medical anchor device ( 1 ) for securing a medical article to a subject comprising an upper medical article attachment portion ( 2 ) and a lower insertion portion ( 3 ) for securing the medical anchor device ( 1 ) to the subject wherein the insertion portion ( 3 ) comprises a spiral anchor ( 5 ) so that the medical anchor device ( 1 ) is securable to and detachable from the subject by rotating the medical anchor device ( 1 ) in a clockwise or an anti-clockwise manner as required by the direction of the spiral anchor ( 5 ).
1. A medical anchor device for securing a medical article to a subject comprising:
an upper medical article attachment portion;
a lower insertion portion for securing the medical anchor device subcutaneously to a subject wherein the insertion portion comprises a spiral anchor disposed substantially in a single plane; and
a skin receiving interstice between the medical article attachment portion and the spiral anchor, the interstice defined by a spacer arm between the medical article attachment portion and the spiral anchor,
wherein the spiral anchor winds laterally outwards from the medical article attachment portion.
2. A medical anchor device as claimed in claim 1 wherein the spiral anchor defines an Archimedean spiral shape.
3. A medical anchor device as claimed in claim 1 wherein the spiral anchor is flexible.
4. A medical anchor device as claimed in claim 1 wherein the spiral anchor comprises a free insertion end for insertion in a subject.
5. A medical anchor device as claimed in claim 1 wherein the spacer arm is configured to define a curved skin abutting face.
6. A medical anchor device as claimed in claim 1 wherein the spiral anchor is attached to the medical article attachment portion at a medical article attachment portion end contiguous with the medical article attachment portion.
7. A medical anchor device as claimed in claim 1 wherein the medical article attachment portion comprises a platform.
8. A medical anchor device as claimed in claim 7 wherein the platform comprises a lumen.
9. A medical anchor device as claimed in claim 7 wherein the platform comprises a medical article mounting.
10. A medical anchor device as claimed in claim 1 wherein the medical anchor device is a catheter anchor device.
11. A medical anchoring system for securing a medical article to a subject comprising a medical anchor device as claimed in claim 1 and a medical article engageable with the medical anchor device.
12. A medical anchoring system for securing a medical article to a subject as claimed in claim 11 wherein the medical anchor device and the medical article comprise formations configured for inter-engagement to lock the medical article to the medical anchor device.