Rotator cuff repair using engineered tissues
First Claim
1. A method of rotator cuff repair, comprising the steps of:
- harvesting fibrocytes from a living donor;
harvesting rotator cuff tissue from a recently deceased human or animal donor, keeping the extracellular matrix intact;
combining the harvested fibrocytes with the extracellular matrix to produce engineered rotator cuff tissue; and
transplanting the engineered rotator cuff tissue into or onto a patient'"'"'s rotator cuff to be repaired.
1 Assignment
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Accused Products
Abstract
Living fibrocytes are combined with rotator cuff extracellular matrix obtained from recently deceased human or animal donors to eliminate pain in patients with tendonitis and other rotator cuff deficiencies. According to the method, fibrocytes from a living donor, preferably the patient, and rotator cuff tissue is harvested from a recently deceased human or animal donor in a manner which retains the extracellular matrix. The harvested cells are combined with the extracellular matrix to produce an engineered rotator cuff tissue, which is then transplanted into or onto a patient'"'"'s rotator cuff to be repaired. Additional therapeutic substances such as culture medium, growth factors, differentiation factors, hydrogels, polymers, antibiotics, anti-inflammatory medications, or immunosuppressive medications could be added to the transplanted annulus fibrosis tissue. In like fashion, the processes described herein may be used to repair or replace other tissues or organs of the body such as the pancreas, liver, kidney, heart, etc. Healthy live cells would be obtained thorough biopsy and tissue culture. The live cells would be added to the extracellular matrix of tissues or organs harvested to recently deceased human or animals.
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Citations
8 Claims
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1. A method of rotator cuff repair, comprising the steps of:
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harvesting fibrocytes from a living donor;
harvesting rotator cuff tissue from a recently deceased human or animal donor, keeping the extracellular matrix intact;
combining the harvested fibrocytes with the extracellular matrix to produce engineered rotator cuff tissue; and
transplanting the engineered rotator cuff tissue into or onto a patient'"'"'s rotator cuff to be repaired. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
culture media, growth factors, differentiation factors, hydrogels, polymers, antibiotics, anti-inflammatory medications, or immunosuppressive medications.
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5. The method of claim 1, further including the step of keeping the harvested fibrocytes viable until delivered.
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6. An engineered rotator cuff according to the method of claim 1.
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7. The engineered rotator cuff of claim 1, further including one or more therapeutic substances.
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8. The engineered annulus fibrosis of claim 7, wherein the therapeutic substances include one or more of the following:
culture media, growth factors, differentiation factors, hydrogels, polymers, antibiotics, anti-inflammatory medications, or immunosuppressive medications.
Specification