Ultrasonic and growth factor bone-therapy: apparatus and method
First Claim
1. A method of non-invasively therapeutically treating bone tissue in a living body, using an ultrasound transducer and an ultrasound pulser, the method comprising the steps of:
- (a) placing a prescribed amount of a bone growth factor on skin overlying said bone tissue in said living body;
(b) acoustically coupling said ultrasound transducer to said skin overlying said bone tissue of said living body;
(c) connecting said ultrasound transducer to said ultrasound pulser and thereby generating an ultrasound signal within said skin and said bone tissue;
(d) transporting said bone growth factor through said skin to said bone tissue using said ultrasound signal, wherein said bone tissue receives said bone growth factor applied exogenously; and
(e) exposing said bone tissue to said ultrasound signal in conjunction with said bone growth factor to produce a nonlinear interaction between said bone tissue, said ultrasound signal and said exogenously applied bone growth factor, and to thereby synergistically promote bone tissue healing, growth and repair.
1 Assignment
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Accused Products
Abstract
Non-invasive therapeutic treatment of bone in vivo using ultrasound in conjunction with application of a biochemical compound or bone growth factor is performed by subjecting bone to an ultrasound signal supplied to an ultrasound transducer placed on the skin of a bony member, and involving a repetitive finite duration signal consisting of plural frequencies that are in the ultrasonic range to 20 MHz. Concurrent with application of the ultrasound is the utilization of a bone growth factor applied to the skin of a bony member before stimulation with ultrasound. Ultrasonic stimulation is operative to transport the bone growth factor to the bone and then to synergistically enhance the interaction of the bone growth factor with the bone, whereby to induce healing, growth and ingrowth responses. In another embodiment, a vibrational or mechanical input together with a biochemical compound enhances both bone fracture healing and treats osteoporosis.
184 Citations
19 Claims
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1. A method of non-invasively therapeutically treating bone tissue in a living body, using an ultrasound transducer and an ultrasound pulser, the method comprising the steps of:
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(a) placing a prescribed amount of a bone growth factor on skin overlying said bone tissue in said living body;
(b) acoustically coupling said ultrasound transducer to said skin overlying said bone tissue of said living body;
(c) connecting said ultrasound transducer to said ultrasound pulser and thereby generating an ultrasound signal within said skin and said bone tissue;
(d) transporting said bone growth factor through said skin to said bone tissue using said ultrasound signal, wherein said bone tissue receives said bone growth factor applied exogenously; and
(e) exposing said bone tissue to said ultrasound signal in conjunction with said bone growth factor to produce a nonlinear interaction between said bone tissue, said ultrasound signal and said exogenously applied bone growth factor, and to thereby synergistically promote bone tissue healing, growth and repair. - View Dependent Claims (2, 3, 4, 5)
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6. A method of therapeutically treating bone tissue in a living body, using an ultrasound transducer and an ultrasound pulser, the method comprising the steps of:
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(a) injecting through skin overlying said bone tissue in said living body a prescribed amount of a bone growth factor, wherein said bone tissue receives said bone growth factor applied exogenously;
(b) acoustically coupling said ultrasound transducer to said skin overlying said bone tissue of said living body;
(c) connecting said ultrasound transducer to said ultrasound pulser and thereby generating an ultrasound signal within said bone tissue;
(d) exposing said bone tissue to said ultrasound signal in conjunction with said bone growth factor, and (e) continuing said exposing of step (d) for a time period to produce a nonlinear interaction between said bone tissue, said ultrasound signal and said exogenously applied bone growth factor, and to thereby synergistically promote bone tissue healing, growth and repair. - View Dependent Claims (7, 8, 9, 10)
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11. A method of therapeutically treating bone tissue in a living body, the method comprising the steps of:
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(a) injecting through skin overlying said bone tissue a prescribed amount of a bone growth factor to said living body, wherein said bone tissue receives said bone growth factor applied exogenously;
(b) applying an electromagnetic stimulus to said bone tissue in said living body, in conjunctive use with said application of said bone growth factor; and
(c) continuing said applying of said electromagnetic stimulus for a time period to cause displacements of said bone growth factor received by said bone tissue to be nonlinearly modified, said nonlinear modification arising from a concurrent use of said electromagnetic stimulus and said bone growth factor, and to synergistically promote bone tissue healing, growth and repair. - View Dependent Claims (12)
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13. A method of therapeutically treating bone tissue in a living body, the method comprising the steps of:
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(a) applying exogenously a prescribed amount of a bone growth factor to said living body;
(b) applying a mechanical stimulus at sub-ultrasonic frequencies to said bone tissue in said living body; and
(c) exposing said bone tissue to said mechanical stimulus in conjunction with said bone growth factor for a prescribed period of time to produce a nonlinear interaction between said bone tissue, said mechanical stimulus and said exogenously applied bone growth factor, and to thereby synergistically promote bone tissue healing, growth and repair. - View Dependent Claims (14, 15, 16, 17)
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18. A method of non-invasively therapeutically treating cartilage tissue in a living body, using an ultrasound transducer and an ultrasound pulser, the method comprising the steps of:
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(a) placing a prescribed amount of a sodium hyaluronate compound on skin overlying said cartilage tissue in said living body;
(b) acoustically coupling said ultrasound transducer to said skin overlying said cartilage tissue of said living body;
(c) connecting said ultrasound transducer to said ultrasound pulser and thereby generating an ultrasound signal within said skin and said cartilage tissue, said connecting being kept during a prescribed time period;
(d) transporting said sodium hyaluronate compound through said skin to said cartilage tissue using said ultrasound signal, wherein said cartilage tissue receives said sodium hyaluronate compound applied exogenously; and
(e) exposing said cartilage tissue to said ultrasound signal in conjunction with said sodium hyaluronate compound during said prescribed time period, to produce nonlinear interaction between said cartilage tissue, said ultrasound signal and said sodium hyaluronate compound, said nonlinear interaction arising from a concurrent use of said ultrasound signal and said sodium hyaluronate compound during said prescribed time period, and to synergistically promote cartilage tissue healing, growth and repair.
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19. A method of therapeutically treating cartilage tissue in a living body, using an ultrasound transducer and an ultrasound pulser, the method comprising the steps of:
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(a) injecting through skin overlying said cartilage tissue in said living body a prescribed amount of a sodium hyaluronate compound, wherein said cartilage tissue receives said sodium hyaluronate compound applied exogenously;
(b) acoustically coupling said ultrasound transducer to said skin overlying said cartilage tissue of said living body;
(c) connecting said ultrasound transducer to said ultrasound pulser and thereby generating an ultrasound signal within said cartilage tissue; and
(d) exposing said cartilage tissue to said ultrasound signal in conjunction with said sodium hyaluronate compound to produce a nonlinear interaction between said cartilage tissue, said ultrasound signal and said exogenously applied sodium hyaluronate compound, said nonlinear interaction arising from a concurrent use of said ultrasound signal and said sodium hyaluronate compound during a prescribed time period, and a to synergistically promote cartilage tissue healing, growth and repair.
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Specification