Methods for extracting bone marrow

• US 6,110,176 A
• Filed: 03/17/1999
• Issued: 08/29/2000
• Est. Priority Date: 07/01/1997
• Status: Expired due to Term

• Current Assignee: Ira L. Shapira
• Original Assignee: Ira L. Shapira
• Inventors: Shapira, Ira L.
• Primary Examiner(s): Buiz, Michael
• Assistant Examiner(s): REIP, DAVID OWEN
• Application Number:
  US09/271,481
• Time in Patent Office: 531 Days
• Field of Search: 600/562-568, 433/215, 433/173, 606/79, 606/80, 606/85, 606/167, 606/169, 606/170, 606/180, 128/898
• US Class Current: 606/80
• CPC Class Codes: A61B 10/025 for taking bone, bone marrow or cartilage samples
• CPC Class Codes: A61B 10/0283 with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe A61B10/025, A61B10/0266 take precedence
• CPC Class Codes: A61B 17/1635 for grafts, harvesting or transplants
• CPC Class Codes: A61B 2017/00685 Archimedes screw
• CPC Class Codes: A61B 2017/00969 used for transplantation
• CPC Class Codes: A61C 1/00 Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design

Abstract

Methods and apparatus are presented for extracting and collecting bone marrow from the jawbone of a patient before, during, or after dental procedures. The method and apparatus further provides a readily accessible, and easily harvested, source of bone marrow without the drawbacks of current extraction methods.

Claims

1. A method for extracting and collecting bone marrow from a jawbone of a patient, the method comprising:

boring a hole in the jawbone to a depth sufficient to form a jawbone bone marrow extraction site;

extracting the bone marrow from the jawbone bone marrow extraction site; and

collecting and storing the bone marrow in a collection chamber.

2. The method according to claim 1 further comprising aspirating liquid bone marrow from the jawbone bone marrow site.

3. The method according to claim 1 or 2 wherein the bone marrow, prior to the extracting step, is solid.

4. The method according to claim 3 further comprising:

mixing the bone marrow with a liquid to form a mixture;

transferring the mixture to the collection chamber; and

isolating the bone marrow from the mixture to form isolated bone marrow.

5. The method according to claim 4 further comprising:

preserving the isolated bone marrow with a preservative to form preserved bone marrow; and

storing the preserved bone marrow.

6. The method according to claim 1 or 2 further comprising infusing a solution into a void in the jawbone resulting from the bone marrow extracting step.

7. The method according to claim 6 wherein the solution is selected from the group consisting of anticoagulant containing saline solution and electrolyte solution.

8. The method according to claim 1 wherein the method is performed in conjunction with a dental procedure.

9. A method for extracting and collecting bone marrow from the jawbone of a patient, the method comprising:

boring a hole in the jawbone to form a jawbone bone marrow extraction site;

introducing a biopsy needle into the jawbone bone marrow extraction site, wherein the biopsy needle is connected to a suction source;

penetrating a medullary cavity of the jawbone bone marrow extraction site with the biopsy needle;

collecting solid bone marrow through the biopsy needle;

penetrating the medullary cavity with the biopsy needle;

breaking marrow stroma with the biopsy needle;

activating a pump to aspirate liquid bone marrow from the broken marrow stroma; and

collecting the liquid bone marrow through biopsy needle.

10. The method according to claim 9 further comprising:

selectively activating a valve to selectively generate suction in the biopsy needle.

11. The method according to claim 9 further comprising:

preserving the bone marrow with a preservative; and

storing the preserved bone marrow.

12. The method according to claim 11 wherein the preservative is dimethyl sulfoxide.

13. The method according to claim 9 further comprising infusing a solution into a void in the jawbone produced by the bone marrow extraction.