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US20080015468A1 Active / In Force US ⏱️ 0.8 years remaining

Apparatus and method to access the bone marrow for oncology and stem cell applications

Assignee: Teleflex Life Sciences Ltd
•
Filing: 2007-07-23
•
Granted: —
•
Expires: 2027-07-23
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Abstract

Abstract An apparatus for removing portions of bone marrow from a bone is provided. The apparatus includes a housing and a hollow drive shaft operable to engage a gear assembly. The hollow drive shaft includes a first end operable to penetrate the bone and a second end operable to allow retrieval of portions of bone and bone marrow. The apparatus also includes a removable trocar. The removable trocar includes an inner channel operable to convey portions of bone and bone marrow. The gear assembly is able to engage and rotate the hollow drive shaft. A motor operable to drive the hollow drive shaft into the bone marrow by rotation of the hollow drive shaft and a power supply and associated circuitry operable to power the motor are also included.

Inventors

  • 👤 Larry Miller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:04
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0233; A61B10/025; A61B10/0283; A61B17/00; A61B17/16; A61B17/1613; A61B17/1615; A61B17/1617; A61B17/1622; A61B17/1662; A61B17/1671; A61B17/32; A61B17/320016; A61B17/32002; A61B17/3205; A61B17/32053; A61B17/34; A61B17/3417; A61B17/3421; A61B17/3423; A61B17/3472; A61B17/3476; A61B17/3494; A61B17/3496; A61M; A61M5/00; A61M5/14; A61M5/158; A61B17/1637; A61B2010/0208; A61B2010/0258; A61B2017/00367; A61B2017/00398; A61B2017/0046; A61B2017/00681; A61B2017/00734; A61B2017/320024; A61B17/3403; A61B2017/3405; A61B50/00; A61B50/30; A61B2050/3008; A61B90/00; A61B90/03; A61B2090/033; A61B2090/034; A61B90/08; A61B2090/0813; A61B2217/00; A61B2217/002; A61B2217/005; A61B50/33; A61B90/10; A61B90/11; A61B90/70; A61M1/00; A61M1/84; A61M2005/1581; A61M2005/1585; A61M2210/00; A61M2210/02

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 90 words
1 . A hollow drive shaft assembly operable to remove bone marrow from a bone for diagnostic or therapeutic purposes comprising: an outer hollow drive shaft operable to penetrate the bone and bone associated marrow; the outer hollow drive shaft operable to be rotated by a motor; the outer hollow drive shaft having an inner channel operable to convey bone marrow specimens therethrough for diagnostic or therapeutic purposes; and the hollow drive shaft having one end operable to penetrate the bone in response to rotation of the hollow drive shaft.
Claim 2
Dependent Claim 90 words
1 . A hollow drive shaft assembly operable to remove bone marrow from a bone for diagnostic or therapeutic purposes comprising: an outer hollow drive shaft operable to penetrate the bone and bone associated marrow; the outer hollow drive shaft operable to be rotated by a motor; the outer hollow drive shaft having an inner channel operable to convey bone marrow specimens therethrough for diagnostic or therapeutic purposes; and the hollow drive shaft having one end operable to penetrate the bone in response to rotation of the hollow drive shaft.
Claim 3
Dependent Claim 34 words
2 . The hollow drive shaft assembly of claim 1 wherein the hollow drive shaft further comprises a body having at least one side port operable to obtain portions of the associated bone marrow.
Claim 4
Dependent Claim 22 words
3 . The hollow drive shaft assembly of claim 1 further comprising a removable trocar having a tip with a cutting edge.
Claim 5
Dependent Claim 30 words
4 . The hollow drive shaft assembly of claim 3 wherein the removable trocar further comprises at least one side port operable to obtain specimens of the associated bone marrow.
Claim 6
Dependent Claim 23 words
5 . The hollow drive shaft assembly of claim 1 wherein the one end of the hollow drive shaft further comprises serrated teeth.
Claim 7
Dependent Claim 86 words
6 . A hollow drive shaft assembly operable to remove bone marrow from a bone for transplantation purposes comprising: an outer hollow drive shaft operable to penetrate the bone and bone associated marrow; the outer hollow drive shaft operable to be rotated by a motor; the outer hollow drive shaft having an inner channel operable to convey bone marrow specimens therethrough for transplantation purposes; and the hollow drive shaft having one end operable to penetrate the bone in response to rotation of the hollow drive shaft.
Claim 8
Dependent Claim 86 words
6 . A hollow drive shaft assembly operable to remove bone marrow from a bone for transplantation purposes comprising: an outer hollow drive shaft operable to penetrate the bone and bone associated marrow; the outer hollow drive shaft operable to be rotated by a motor; the outer hollow drive shaft having an inner channel operable to convey bone marrow specimens therethrough for transplantation purposes; and the hollow drive shaft having one end operable to penetrate the bone in response to rotation of the hollow drive shaft.
Claim 9
Dependent Claim 34 words
7 . The hollow drive shaft assembly of claim 6 wherein the hollow drive shaft further comprises a body having at least one side port operable to obtain portions of the associated bone marrow.
Claim 10
Dependent Claim 22 words
8 . The hollow drive shaft assembly of claim 6 further comprising a removable trocar having a tip with a cutting edge.
Claim 11
Dependent Claim 30 words
9 . The hollow drive shaft assembly of claim 8 wherein the removable trocar further comprises at least one side port operable to obtain specimens of the associated bone marrow.
Claim 12
Dependent Claim 23 words
10 . The hollow drive shaft assembly of claim 6 wherein the one end of the hollow drive shaft further comprises serrated teeth.
Claim 13
Dependent Claim 200 words
11 . A hollow drive shaft assembly operable to penetrate a bone and associated bone marrow comprising: an outer hollow drive shaft operable to penetrate the bone and associated bone marrow; the outer hollow drive shaft operable to be rotated by a motor; an inner channel formed in the outer hollow drive shaft; the inner channel of the outer hollow drive shaft operable to convey specimens of bone and associated bone marrow therethrough; a first gear attached to the outer hollow drive shaft; the first gear engaged with a second gear attached to the motor to rotate the outer hollow drive shaft; an inner channel formed in the outer hollow drive shaft; the inner channel of the outer hollow drive shaft operable to convey specimens of bone and associated bone marrow therethrough; the outer hollow drive shaft having a first end operable to penetrate the bone and associated bone marrow; the outer hollow drive shaft having a second end operable to retrieve specimens of bone and the associated bone marrow; a plurality of sampling ports formed in the outer hollow drive shaft spaced from the first end; and the sampling ports operable to provide access to the associated bone marrow.
Claim 14
Dependent Claim 200 words
11 . A hollow drive shaft assembly operable to penetrate a bone and associated bone marrow comprising: an outer hollow drive shaft operable to penetrate the bone and associated bone marrow; the outer hollow drive shaft operable to be rotated by a motor; an inner channel formed in the outer hollow drive shaft; the inner channel of the outer hollow drive shaft operable to convey specimens of bone and associated bone marrow therethrough; a first gear attached to the outer hollow drive shaft; the first gear engaged with a second gear attached to the motor to rotate the outer hollow drive shaft; an inner channel formed in the outer hollow drive shaft; the inner channel of the outer hollow drive shaft operable to convey specimens of bone and associated bone marrow therethrough; the outer hollow drive shaft having a first end operable to penetrate the bone and associated bone marrow; the outer hollow drive shaft having a second end operable to retrieve specimens of bone and the associated bone marrow; a plurality of sampling ports formed in the outer hollow drive shaft spaced from the first end; and the sampling ports operable to provide access to the associated bone marrow.
Claim 15
Dependent Claim 38 words
12 . The hollow drive shaft assembly of claim 11 further comprising: a threaded portion formed adjacent to the first end of the outer hollow drive shaft; and the threaded portion operable to retrieve a bone biopsy specimen.
Claim 16
Dependent Claim 68 words
13 . The hollow drive shaft assembly of claim 11 further comprising: a removable inner trocar disposed in the inner channel of the outer hollow drive shaft; a sampling port formed in the removable inner trocar spaced from a first end of the inner trocar; and the sampling port of the removable inner trocar operable to be aligned with respective sampling ports of the outer hollow drive shaft.
Claim 17
Dependent Claim 33 words
14 . The hollow drive shaft of claim 11 further comprising: a ratcheted gear attached to the trocar; and the ratcheted gear operable to change the depth of sampling from the bone marrow.
Claim 18
Dependent Claim 62 words
15 . The hollow drive shaft assembly of claim 11 further comprising: a first thrust bearing and a second thrust bearing disposed on exterior portions of the outer hollow drive shaft; the first and second thrust bearings spaced from each other; and the first and second thrust bearings operable to absorb pressure from the outer hollow drive shaft drilling into the bone.
Claim 19
Dependent Claim 45 words
16 . The hollow drive shaft assembly of claim 11 further comprising: a trocar disposed in the inner channel of the outer hollow drive shaft; and an operating mechanism operable to manipulate the trocar and change the depth of taking specimens in associated bone marrow.
Claim 20
Dependent Claim 94 words
17 . A hollow drive shaft assembly operable to penetrate a bone and remove a bone specimen from the bone comprising: an outer hollow drive shaft having a first end operable to penetrate the bone and associated bone marrow; the outer hollow drive shaft operable to be rotated by a motor; the outer hollow drive shaft having a first end operable to penetrate the bone and associated bone marrow; a threaded portion formed adjacent to the first end of the outer hollow drive shaft; and the threaded portion operable to retrieve the bone specimen.
Claim 21
Dependent Claim 94 words
17 . A hollow drive shaft assembly operable to penetrate a bone and remove a bone specimen from the bone comprising: an outer hollow drive shaft having a first end operable to penetrate the bone and associated bone marrow; the outer hollow drive shaft operable to be rotated by a motor; the outer hollow drive shaft having a first end operable to penetrate the bone and associated bone marrow; a threaded portion formed adjacent to the first end of the outer hollow drive shaft; and the threaded portion operable to retrieve the bone specimen.
Claim 22
Dependent Claim 18 words
18 . The hollow drive shaft assembly of claim 17 wherein the first end further comprises serrated teeth.
Claim 23
Dependent Claim 99 words
19 . A hollow drive shaft operable to penetrate a bone and to remove a semisolid substance such as bone marrow from the bone comprising: an outer hollow drive shaft having a first end operable to penetrate the bone and associated bone marrow; the outer hollow drive shaft operable to be rotated by a motor; the outer hollow drive shaft having a first end operable to penetrate the bone and associated bone marrow; a threaded portion formed adjacent to the first end of the outer hollow drive shaft; and the threaded portion operable to retrieve a bone marrow specimen.
Claim 24
Dependent Claim 99 words
19 . A hollow drive shaft operable to penetrate a bone and to remove a semisolid substance such as bone marrow from the bone comprising: an outer hollow drive shaft having a first end operable to penetrate the bone and associated bone marrow; the outer hollow drive shaft operable to be rotated by a motor; the outer hollow drive shaft having a first end operable to penetrate the bone and associated bone marrow; a threaded portion formed adjacent to the first end of the outer hollow drive shaft; and the threaded portion operable to retrieve a bone marrow specimen.
Claim 25
Dependent Claim 18 words
20 . The hollow drive shaft assembly of claim 19 wherein the first end further comprises serrated teeth.

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