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1. (WO2018158395) DEVICE FOR SHEARING TISSUE
Anmerkung: Text basiert auf automatischer optischer Zeichenerkennung (OCR). Verwenden Sie bitte aus rechtlichen Gründen die PDF-Version.

CLAIMS

1. Device (60, 70, 80, 90) for shearing tissue in a human or animal body, comprising:

a first member (1 1 ) comprising a first material;

a second member (12, 62, 72, 73, 82) comprising a second material; wherein the first and second materials show magnetic attraction between one another; and

a thread (13) connected to the first member and to the second member;

characterised in that the device comprises means for pulling the thread.

2. Device of claim 1 , wherein the means for pulling the thread is configured to apply a tension on the thread between the first member and the second member.

3. Device of claim 1 or 2, wherein the means for pulling the thread is configured to reduce a length of the thread between the first member and the second member.

4. Device (60) of any one of the preceding claims, wherein the means for pulling the thread comprises a third member (63) connected to the thread.

5. Device of claim 4, wherein the second member (62) is slidingly connected to the thread.

6. Device of claim 5, wherein the second member (62) is interposed between the first member (1 1 ) and the third member (63) along the thread.

7. Device of claim 5 or 6, wherein the third member comprises a mass configured to pull the thread by gravity.

8. Device of claim 4, wherein the third member is interposed between the first member and the second member and comprises a material showing magnetic attraction to one or both of the first member and the second member.

9. Device (90) of any one of the claims 1 to 3, wherein the means for pulling the thread comprises a plurality of third members (91 ) connected to the thread at spaced apart intervals from one another between the first member (1 1 ) and the second member (12), wherein the plurality of third members show magnetic attraction to one or both of the first member and the second member.

10. Device (70, 80) of any one of the preceding claims, wherein the means for pulling the thread comprises a thread winding system (74, 75, 84) configured to tension the thread between the first member (1 1 ) and the second member (72, 82).

11. Device of claim 10, wherein the first member or the second member comprises a housing, wherein the thread winding system is enclosed in the housing.

12. Device of claim 10 or 1 1 , wherein the thread winding system comprises a spiral spring (741 , 85).

13. Device of any one of the preceding claims, wherein the first member and the second member each have a diameter smaller than or equal to 30 mm, and wherein the thread extending between the first member and the second member has a length of at least 100 mm.

14. Device of any one of the preceding claims, wherein the first member, the second member, or both the first member and the second member comprise a second thread (1 17) attached to a housing of the respective member, the second thread forming a loop exterior to the housing.

15. Device of any one of the preceding claims, wherein the thread is elastic, and wherein the means for pulling the thread comprise a releasable preload structure for preloading the thread.

16. Device of any one of the preceding claims, wherein the thread comprises a shape memory material.

17. Device of any one of the preceding claim, wherein at least one of the first member and the second member (12) comprises a through-hole (1 14), wherein the respective first or second material surrounds the through-hole.