Bone treatment systems and methods
First Claim
1. A method for treating a bone, comprising:
- mixing two-components to form bone cement within a syringe body, the syringe body forming part of a source of bone cement;
inserting at least a portion of an elongated bone cement injector percutaneously through a patient'"'"'s skin into a cancellous bone portion of a bone;
coupling a proximal end of the injector to an outlet of a handle body;
coupling the source of bone cement to an inlet of the handle body;
coupling a first side of a two-sided plunger with the syringe body;
flowing bone cement from the source of bone cement through the handle body and through a bore in the injector into the cancellous bone by hydraulically advancing a second side of the two-sided plunger and thereby advancing the first side of the two-sided plunger within the syringe body; and
applying energy to the bone cement as it flows through the handle body in an amount sufficient to accelerate a setting rate in the bone cement to increase the viscosity of the bone cement so as to reach a selected polymerization endpoint as the bone cement exits the injector and prior to introduction of the bone cement into bone.
2 Assignments
0 Petitions
Accused Products
Abstract
Systems and methods for delivering bone cement into a bone can include a handle body defining a flow path, a thermal emitter in the handle body to apply energy to bone cement passing through the flow path, a source of bone cement and an injection cannula. The cannula can be in communication with the flow path such that inserting the cannula into a bone can allow a flow of bone cement therethrough to an opening at a distal end of the cannula. Other systems and methods for delivering bone cement into a bone can include an injector body with a handle portion, and a cannula, a bone cement container, a low pressure drive mechanism configured to effect a flow of bone cement from said container to the injector body and a high pressure drive mechanism configured to effect a flow of bone cement through the injector body into the bone.
197 Citations
29 Claims
-
1. A method for treating a bone, comprising:
-
mixing two-components to form bone cement within a syringe body, the syringe body forming part of a source of bone cement; inserting at least a portion of an elongated bone cement injector percutaneously through a patient'"'"'s skin into a cancellous bone portion of a bone; coupling a proximal end of the injector to an outlet of a handle body; coupling the source of bone cement to an inlet of the handle body; coupling a first side of a two-sided plunger with the syringe body; flowing bone cement from the source of bone cement through the handle body and through a bore in the injector into the cancellous bone by hydraulically advancing a second side of the two-sided plunger and thereby advancing the first side of the two-sided plunger within the syringe body; and applying energy to the bone cement as it flows through the handle body in an amount sufficient to accelerate a setting rate in the bone cement to increase the viscosity of the bone cement so as to reach a selected polymerization endpoint as the bone cement exits the injector and prior to introduction of the bone cement into bone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
-
17. A method of bone cement delivery, comprising:
-
mixing components of a bone cement to begin polymerization of the bone cement within a bone cement container; coupling an elongated bone cement injector to an outlet of a handle body, the handle body defining a flow channel extending therethrough from an inlet of the handle body to the outlet of the handle body; coupling the bone cement container to the inlet of the handle body; flowing the mixed and polyermizing bone cement from the container into the flow channel in the handle body; applying energy to the bone cement passing through the flow channel with a thermal energy emitter disposed about the flow channel in the handle body in order to controllably increase the viscosity of the bone cement as it flows therethrough and prior to introduction of the bone cement into bone, a lubricious surface layer defining the flow channel within an interior of the thermal energy emitter; flowing the mixed and polyermizing bone cement from the flow channel in the handle body and through a bore in the injector into cancellous bone. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
-
Specification