Surgical cable tensioner
First Claim
1. An instrument for tensioning a surgical cable, the instrument comprising:
- a rotary tensioner rotatable in a tensioning rotary direction to apply tension to a surgical cable;
a ratchet gear of the rotary tensioner having a plurality of recesses;
a body supporting the rotary tensioner;
a pawl portion of the body configured to be received at least partially in one of the recesses of the ratchet gear; and
a living hinge portion of the body supporting the pawl portion and configured to permit the pawl portion to be shifted out of the one recess and shifted into an adjacent one of the recesses of the ratchet gear with turning of the rotary tensioner in the tensioning rotary direction.
4 Assignments
0 Petitions
Accused Products
Abstract
In accordance with one aspect of the present disclosure, an instrument for tensioning a surgical cable is provided that includes a rotary tensioner that is rotatable in a tensioning rotary direction to apply tension to the surgical cable. The instrument further includes a body supporting the rotary tensioner, a pawl portion of the body configured to be received at least partially in a recess of a ratchet gear of the rotary tensioner, and a living hinge portion of the body supporting the pawl portion. The living hinge portion is configured to permit the pawl portion to be shifted out of the recess and shifted into an adjacent recess of the ratchet gear with turning of the rotary tensioner in the tensioning rotary direction
151 Citations
20 Claims
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1. An instrument for tensioning a surgical cable, the instrument comprising:
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a rotary tensioner rotatable in a tensioning rotary direction to apply tension to a surgical cable; a ratchet gear of the rotary tensioner having a plurality of recesses; a body supporting the rotary tensioner; a pawl portion of the body configured to be received at least partially in one of the recesses of the ratchet gear; and a living hinge portion of the body supporting the pawl portion and configured to permit the pawl portion to be shifted out of the one recess and shifted into an adjacent one of the recesses of the ratchet gear with turning of the rotary tensioner in the tensioning rotary direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An instrument for tensioning a surgical cable, the instrument comprising:
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a one-piece body having a cavity; a rotary tensioner at least partially in the cavity and rotatable relative to the body in a tensioning rotary direction to wind a surgical cable onto the rotary tensioner; ratchet portions of the one-piece body and the rotary tensioner configured to permit the rotary tensioner to turn in the tensioning rotary direction and resist turning of the rotary tensioner in an opposite, pay out rotary direction. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A method of tensioning a surgical cable, the method comprising:
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turning a rotary tensioner in a tensioning direction relative to a body to wind a surgical cable onto the rotary tensioner; and flexing a living hinge of the body to permit a pawl portion of the body to shift from a first recess to a second recess of the rotary tensioner. - View Dependent Claims (20)
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Specification