Systems and methods for using polyaxial plates
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/80
A61B-017/74
A61B-017/00
A61B-017/86
출원번호
US-0706877
(2017-09-18)
등록번호
US-10092337
(2018-10-09)
발명자
/ 주소
Austin, Gene Edward
Harmon, Jon A.
Petteys, Timothy J.
Russell, Thomas A.
Tornetta, Paul
Ricci, William M.
출원인 / 주소
SMITH & NEPHEW, INC.
인용정보
피인용 횟수 :
0인용 특허 :
204
초록▼
Certain embodiments of the invention provide plates for treating periarticular fractures or other non-full body weight bearing applications that combine polyaxial fixation with a low profile and enhanced contouring that more closely conforms to bone. Such plates can be designed to achieve buttressin
Certain embodiments of the invention provide plates for treating periarticular fractures or other non-full body weight bearing applications that combine polyaxial fixation with a low profile and enhanced contouring that more closely conforms to bone. Such plates can be designed to achieve buttressing effect and/or to be used in a reinforcement mode. Other features can be combined with these. Such plates can be created for use on bone sites such as on a tibia, fibula, metatarsal, calcaneous, other foot bone, humerus, radius, ulna, spinal, maxillofacial, as well as sites on other bones.
대표청구항▼
1. A bone plate comprising: a lower surface;an upper surface;one or more apertures extending from the lower surface to the upper surface, each of the one or more apertures including a central axis; andat least one of the one or more apertures including a plurality of concavely indented, inwardly pro
1. A bone plate comprising: a lower surface;an upper surface;one or more apertures extending from the lower surface to the upper surface, each of the one or more apertures including a central axis; andat least one of the one or more apertures including a plurality of concavely indented, inwardly protruding fins defining a non-threaded opening for cooperating with a head of a bone fastener. 2. The bone plate of claim 1, wherein each of the plurality of fins defining the non-threaded opening is capable of engaging the head of the bone fastener for securing the head of the fastener to the bone plate at an oblique angle with respect to the central axis of the aperture. 3. The bone plate of claim 2, wherein the plurality of fins defining the non-threaded opening are capable of engaging one or more threads formed on the head of the bone fastener. 4. The bone plate of claim 2, wherein each fin of the plurality of concavely indented, inwardly protruding fins defining the non-threaded opening is capable of at least one of bending, deflecting, or deforming in order to secure the bone fastener to the bone plate. 5. The bone plate of claim 1, wherein each of the apertures include an inner surface, and each of the plurality of fins defining the non-threaded opening include a tapered surface extending from the inner surface of the aperture to the central axis. 6. The bone plate of claim 1, wherein each of the fins of the plurality of concavely indented, inwardly protruding fins defining the non-threaded opening include a rounded tip. 7. The bone plate of claim 1, wherein each of the apertures include an inner surface, and each of the plurality of fins defining the non-threaded opening include a concave portion adjacent to the inner surface of the aperture. 8. The bone plate of claim 1, wherein each of the apertures include an inner surface, and each of the plurality of fins defining the non-threaded opening include a base at the intersection of the inner surface of the aperture and the fin, each fin being downwardly angled towards the central axis. 9. The bone plate of claim 1, wherein each of the fins of the plurality of concavely indented, inwardly protruding fins defining the non-threaded opening is flexible. 10. The bone plate of claim 1, wherein each of the fins of the plurality of concavely indented, inwardly protruding fins has a thickness of between 0.5 mm to 5 mm for receipt between threads formed on the head of the bone fastener. 11. The bone plate of claim 1, wherein each aperture includes between five to eight fins. 12. The bone plate of claim 1, wherein at least one of the one or more apertures includes a central axis that is oblique with respect to the upper surface of the bone plate. 13. A method of implanting a bone plate to a bone, the method comprising: accessing a surgical site of interest;positioning a bone plate at the surgical site of interest; andinserting a fastener through the opening formed in the bone plate along an insertion angle;wherein the opening includes a plurality of concavely indented, inwardly protruding fins defining a non-threaded opening for engaging a head of the fastener. 14. The method of claim 13, further comprising temporarily securing the bone plate to the bone using one or more provisional fixation pins. 15. The method of claim 13, further comprising identifying a preferred insertion angle for inserting a fastener through a selected opening formed in the bone plate. 16. The method of claim 13, wherein the insertion angle is at an oblique angle with respect to a central axis of the opening formed in the bone plate.
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