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US 2017/0281253 A1Published application
Biocomposite orthopedic implant introducer assembly
AssigneeOssio, Ltd.
InventorsOrahn PREISS-BLOOM, Taly Pnina LINDNER
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Abstract
An introducer assembly for introducing an orthopedic implant into a subject comprising: an introducer and the implant, wherein the implant comprises a biocomposite material; wherein the introducer initiates a cavity for the implant, wherein the assembly is inserted into the cavity to thereby extend the cavity, and wherein the introducer is retracted from the assembly leaving the implant in the cavity.
Claims65
An introducer assembly for introducing an orthopedic implant into a subject comprising:
- a. an introducer;
- and
- b. said implant, wherein said implant comprises a biocomposite material;
- wherein said introducer initiates a cavity for said implant, wherein said assembly is inserted into said cavity to thereby extend said cavity, and wherein said introducer is retracted from said assembly leaving said implant in said cavity;
- wherein said biocomposite material comprises a biocompatible absorbable polymer, reinforcement filler and a coupling agent;
- wherein said reinforcement filler comprises a volume of said implant selected from the group consisting of:
- more than 40% w/w;
- and more than 45% w/w;
- wherein the elastic modulus of said biocomposite material is selected from the group consisting of:
- 10 GPa, above 15 GPa, and above 20 GPa;
- wherein the elastic modulus of said biocomposite material is selected from the group consisting of:
- not exceeding 100 GPa;
- and not exceeding 60 GPa;
- and
- wherein the flexural modulus of said implant is selected from the group consisting of:
- more than 200 MPa;
- more than 300 MPa;
- and more than 400 MPa.
15 more elements
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A method for introducing an orthopedic implant into a subject comprising:
- a. providing the an introducer assembly wherein said introducer assembly comprises:
- comprising:
- i. an introducer;
- and
- ii. said implant, wherein said implant comprises a biocomposite material;
- wherein said biocomposite material comprises a biocompatible absorbable polymer, reinforcement filler and a coupling agent;
- b. initiating a cavity by said introducer of said assembly;
- c. inserting said assembly into said cavity to thereby extend said cavity;
- d. retracting said introducer from said assembly to leave said implant in said cavity.
6 more elements
An introducer assembly for introducing an orthopedic implant into a subject comprising:
- a. an introducer comprising an elongated shaft with a sharpened tip on the distal end;
- and
- b. said implant, wherein said implant comprises a biocomposite material and said implant encloses said shaft for at least a portion thereof;
- wherein said introducer initiates a cavity for said implant, wherein said assembly is inserted into said cavity to thereby extend said cavity, and wherein said introducer is retracted from said assembly leaving said implant in said cavity, wherein said biocomposite material comprises a biocompatible absorbable polymer, reinforcement filler and a coupling agent.
1 more element
A method for introducing an orthopedic implant into a subject comprising:
- a. providing an introducer assembly comprising an introducer and a biocomposite implant wherein said introducer comprises a shaft and a sharpened tip at the distal end of said shaft, wherein said implant encloses a portion of said shaft, wherein the outer diameter of said tip is greater than the inner diameter of said implant;
- b. initiating a cavity by said introducer of said assembly;
- c. inserting said assembly into said cavity to thereby extend said cavity;
- and
- d. retracting said introducer from said assembly to leave said implant in said cavity, wherein said retracting forces implant against the inner walls of said cavity;
- wherein said biocomposite material comprises a biocompatible absorbable polymer, reinforcement filler and a coupling agent.
3 more elements
A method for introducing an orthopedic implant into a subject comprising:
- a. providing an introducer assembly comprising an outer sleeve enclosing the majority of an inner shaft wherein said inner shaft comprises a sharpened tip at its distal end, wherein said inner shaft and said sleeve are joined at their proximal ends, wherein said sharpened tip protrudes from said sleeve;
- b. initiating a cavity in a bone of the subject by said tip of said assembly;
- c. inserting said assembly into said cavity to thereby extend said cavity;
- d. unjoining said shaft and said sleeve;
- e. retracting said sleeve to leave said shaft in said cavity;
- f. inserting a biocomposite implant onto said shaft followed by a holding sleeve;
- g. pushing said implant by said holding sleeve into said cavity guided by said shaft;
- and
- h. retracting said holding sleeve from said shaft and said shaft from within said implant to leave said implant in said cavity.
6 more elements
A method for introducing an orthopedic implant into a subject comprising:
- a. providing an introducer assembly comprising a threaded outer sleeve enclosing the majority of an inner shaft wherein said inner shaft comprises a sharpened tip at its distal end, wherein said inner shaft and said sleeve are joined at their proximal ends, wherein said sharpened tip protrudes from said sleeve;
- b. initiating a cavity in a bone of the subject by said tip of said assembly;
- c. screwing said assembly using said threaded sleeve into said cavity to thereby extend said cavity and form a threaded cavity;
- d. unjoining said shaft and said sleeve;
- e. retracting said sleeve to leave said shaft in said cavity;
- f. inserting a threaded biocomposite implant onto said shaft followed by a holding sleeve;
- wherein said implant matches the dimensions of said threaded sleeve;
- g. screwing said implant into said threaded cavity guided by said shaft;
- and
- h. retracting said holding sleeve from said shaft and said shaft from within said implant to leave said implant in said cavity.
7 more elements
An introducer assembly for introducing an orthopedic implant into a subject comprising:
- a. an introducer;
- and
- b. said implant, wherein said implant comprises a biocomposite material;
- wherein said introducer initiates a cavity for said implant, wherein said assembly is inserted into said cavity to thereby extend said cavity, and wherein said introducer is retracted from said assembly leaving said implant in said cavity;
- wherein the distal end of said introducer is a sharp penetrative tip and wherein said tip can penetrate bone under compressive force or drilling;
- wherein said tip comprises a plurality of tip parts and said tip parts each comprise an extraction rod extending along said core to the proximal end of said assembly;
- wherein said tip parts are extracted following extraction of said core by pulling said extraction rods;
- and
- wherein extraction of said tip parts is performed by a mechanism selected from the group consisting of:
- linear motion;
- rotation motion;
- compression;
- compression release;
- tensioning;
- tension release;
- screws;
- springs;
- and any combination of the above.
15 more elements
An introducer assembly for introducing an orthopedic implant into a subject comprising:
- a. an introducer;
- and
- b. said implant, wherein said implant comprises a biocomposite material;
- wherein said introducer initiates a cavity for said implant, wherein said assembly is inserted into said cavity to thereby extend said cavity, and wherein said introducer is retracted from said assembly leaving said implant in said cavity;
1 more element
Dependencies are inferred from the claim text.