Patent US3187098A successfully refreshed from Google Patents.
Patent US2700755A successfully refreshed from Google Patents.
US7699850B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method to access bone marrow
Assignee: Teleflex Life Sciences II LLC
•
Filing: 2003-05-30
•
Granted: 2010-04-20
•
Expires: 2023-05-30
Abstract
Abstract An apparatus and method for penetrating bone marrow is provided. The apparatus may include a housing such as a handheld body, a penetrator assembly, a connector that releasably attaches the penetrator assembly to a drill shaft, a gear mechanism, a motor and a power supply and associated circuitry operable to power the motor. The penetrator assembly may include a removable inner trocar and an outer penetrator or needle. It may also include a grooved trocar that allows bone chips to be expelled as the apparatus is inserted into bone marrow. Various connectors are provided to attach the penetrator assembly to the drill shaft.
Inventors
- 👤 Larry J. Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:00
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: 17
Claim 1
Independent Claim
230 words
An apparatus for penetrating a bone marrow comprising: a housing defined in part by a handle sized and contoured to fit the hand of an operator; a penetrator assembly, comprising an inner trocar releasably engaged with an outer penetrator, operable to drill into a bone and to penetrate the associated bone marrow; the outer penetrator comprising a cannula; the inner trocar comprising a stylet wherein the stylet is operable to be inserted into the cannula of the outer penetrator; the outer penetrator further comprising a flange operable to stabilize the penetrator assembly against the skin at an insertion site; a flange groove, disposed on the flange, operable to engage a penetrator cover; a portion of a drill shaft extending from the housing; a connector receptacle and a connector operable to releasably attach the penetrator assembly to the portion of the drill shaft extending from the housing; a magnetic disc included with the connector, the magnetic disc operable to releasably attach the connector receptacle and the connector with each other; the drill shaft connected to a reduction gear assembly disposed within the housing; the reduction gear assembly operable to engage and rotate the drill shaft; a motor operable to engage the reduction gear assembly and drive the penetrator assembly into the bone marrow by rotation of the drill shaft; and a power supply and associated circuitry operable to power the motor.
Claim 2
Independent Claim
230 words
An apparatus for penetrating a bone marrow comprising: a housing defined in part by a handle sized and contoured to fit the hand of an operator; a penetrator assembly, comprising an inner trocar releasably engaged with an outer penetrator, operable to drill into a bone and to penetrate the associated bone marrow; the outer penetrator comprising a cannula; the inner trocar comprising a stylet wherein the stylet is operable to be inserted into the cannula of the outer penetrator; the outer penetrator further comprising a flange operable to stabilize the penetrator assembly against the skin at an insertion site; a flange groove, disposed on the flange, operable to engage a penetrator cover; a portion of a drill shaft extending from the housing; a connector receptacle and a connector operable to releasably attach the penetrator assembly to the portion of the drill shaft extending from the housing; a magnetic disc included with the connector, the magnetic disc operable to releasably attach the connector receptacle and the connector with each other; the drill shaft connected to a reduction gear assembly disposed within the housing; the reduction gear assembly operable to engage and rotate the drill shaft; a motor operable to engage the reduction gear assembly and drive the penetrator assembly into the bone marrow by rotation of the drill shaft; and a power supply and associated circuitry operable to power the motor.
Claim 3
Dependent Claim
26 words
The apparatus of claim 1 wherein the reduction gear assembly comprises a first shaft attached to a gear operable to engage at least one other gear.
Claim 4
Dependent Claim
19 words
The apparatus of claim 1 further comprising the reduction gear assembly offset at an angle relative to the motor.
Claim 5
Dependent Claim
14 words
The apparatus of claim 1 wherein the power supply comprises a plurality of batteries.
Claim 6
Dependent Claim
15 words
The apparatus of claim 1 wherein the power supply comprises a source of direct current.
Claim 7
Dependent Claim
14 words
The apparatus of claim 1 wherein power supply comprises at least one rechargeable battery.
Claim 8
Dependent Claim
12 words
The apparatus of claim 1 wherein the motor comprises a reciprocating motor.
Claim 9
Dependent Claim
12 words
The apparatus of claim 1 wherein the motor comprises a rotational motor.
Claim 10
Dependent Claim
24 words
The apparatus of claim 1 wherein the drill shaft comprises a first end operable to interdigitate with a second end of the drill shaft.
Claim 11
Dependent Claim
13 words
The apparatus of claim 1 wherein the drill shaft comprises a thruster bearing.
Claim 12
Independent Claim
252 words
An apparatus for penetrating a bone marrow comprising: a housing defined in part by a handle sized and contoured to fit the hand of an operator; a drill shaft rotatably disposed in the housing with one end of the drill shaft extending from the housing; a penetrator assembly comprising an inner trocar releasably engaged to an outer penetrator operable to drill into a bone and associated bone marrow; the inner trocar comprising a stylet with a tip disposed thereon, the tip operable to penetrate bone marrow; the outer penetrator comprising a cannula with a cutting tip disposed thereon, the cannula operable to insert the outer penetrator into a bone and associated bone marrow; a penetrator shield operable to preserve sterility of the stylet and the cannula; a connector receptacle and a connector operable to releasably attach the penetrator assembly to the drill shaft; a magnetic disc operable to releasably attach the connector receptacle and the connector with each other; the drill shaft connected to a gear assembly disposed within the housing; the gear assembly rotatably engaged with the drill shaft; a motor engaged with the gear assembly whereby the penetrator assembly is driven into the bone marrow by rotation of the drill shaft when the connector receptacle and connector are releasably engaged with each other; a power supply and associated circuitry operable to power the motor; the connector receptacle formed as part of the penetrator assembly; and the connector formed on the one end of the drill shaft extending from the housing.
Claim 13
Independent Claim
252 words
An apparatus for penetrating a bone marrow comprising: a housing defined in part by a handle sized and contoured to fit the hand of an operator; a drill shaft rotatably disposed in the housing with one end of the drill shaft extending from the housing; a penetrator assembly comprising an inner trocar releasably engaged to an outer penetrator operable to drill into a bone and associated bone marrow; the inner trocar comprising a stylet with a tip disposed thereon, the tip operable to penetrate bone marrow; the outer penetrator comprising a cannula with a cutting tip disposed thereon, the cannula operable to insert the outer penetrator into a bone and associated bone marrow; a penetrator shield operable to preserve sterility of the stylet and the cannula; a connector receptacle and a connector operable to releasably attach the penetrator assembly to the drill shaft; a magnetic disc operable to releasably attach the connector receptacle and the connector with each other; the drill shaft connected to a gear assembly disposed within the housing; the gear assembly rotatably engaged with the drill shaft; a motor engaged with the gear assembly whereby the penetrator assembly is driven into the bone marrow by rotation of the drill shaft when the connector receptacle and connector are releasably engaged with each other; a power supply and associated circuitry operable to power the motor; the connector receptacle formed as part of the penetrator assembly; and the connector formed on the one end of the drill shaft extending from the housing.
Claim 14
Independent Claim
211 words
An apparatus for penetrating a bone marrow comprising: a housing defined in part by a handle sized and contoured to fit the hand of an operator; a drill shaft rotatably disposed in the housing with one end of the drill shaft extending from the housing; a penetrator assembly comprising an outer penetrator releasably engaged with an inner trocar and operable to drill into a bone and associated bone marrow; the penetrator assembly further comprising a metal disc; a connector receptacle and a connector operable to releasably attach the penetrator assembly to the drill shaft; a magnetic disc located on a receptacle on the penetrator assembly operable to releasably attach the connector receptacle and the connector with each other; the drill shaft connected to a gear assembly disposed within the housing; the gear assembly rotatably engaged with the drill shaft; a motor engaged with the gear assembly whereby the penetrator assembly is driven into the bone marrow by rotation of the drill shaft when the connector receptacle and connector are releasably engaged with each other; a power supply and associated circuitry operable to power the motor; the connector formed as part of the penetrator assembly; and the connector receptacle formed on the one end of the drill shaft extending from the housing.
Claim 15
Independent Claim
211 words
An apparatus for penetrating a bone marrow comprising: a housing defined in part by a handle sized and contoured to fit the hand of an operator; a drill shaft rotatably disposed in the housing with one end of the drill shaft extending from the housing; a penetrator assembly comprising an outer penetrator releasably engaged with an inner trocar and operable to drill into a bone and associated bone marrow; the penetrator assembly further comprising a metal disc; a connector receptacle and a connector operable to releasably attach the penetrator assembly to the drill shaft; a magnetic disc located on a receptacle on the penetrator assembly operable to releasably attach the connector receptacle and the connector with each other; the drill shaft connected to a gear assembly disposed within the housing; the gear assembly rotatably engaged with the drill shaft; a motor engaged with the gear assembly whereby the penetrator assembly is driven into the bone marrow by rotation of the drill shaft when the connector receptacle and connector are releasably engaged with each other; a power supply and associated circuitry operable to power the motor; the connector formed as part of the penetrator assembly; and the connector receptacle formed on the one end of the drill shaft extending from the housing.
Claim 16
Independent Claim
158 words
An apparatus for penetrating a bone marrow comprising: a housing defined in part by a handle sized and contoured to fit the hand of an operator; a penetrator assembly, operable to drill into a bone and to penetrate the associated bone marrow; a connector extending from the housing; the penetrator assembly including an inner trocar with a metal disc disposed in a connector receptacle to allow a magnetic connection between the penetrator assembly and the drill; the connector receptacle and the magnetic disc operable to releasably attach the penetrator assembly to the connector extending from the housing; the drill shaft connected to a reduction gear assembly disposed within the housing; the reduction gear assembly operable to engage and rotate the drill shaft; a motor operable to engage the reduction gear assembly and drive the penetrator assembly into the bone marrow by rotation of the drill shaft; and a power supply and associated circuitry operable to power the motor.
Claim 17
Independent Claim
158 words
An apparatus for penetrating a bone marrow comprising: a housing defined in part by a handle sized and contoured to fit the hand of an operator; a penetrator assembly, operable to drill into a bone and to penetrate the associated bone marrow; a connector extending from the housing; the penetrator assembly including an inner trocar with a metal disc disposed in a connector receptacle to allow a magnetic connection between the penetrator assembly and the drill; the connector receptacle and the magnetic disc operable to releasably attach the penetrator assembly to the connector extending from the housing; the drill shaft connected to a reduction gear assembly disposed within the housing; the reduction gear assembly operable to engage and rotate the drill shaft; a motor operable to engage the reduction gear assembly and drive the penetrator assembly into the bone marrow by rotation of the drill shaft; and a power supply and associated circuitry operable to power the motor.
References Cited (Backward Citations)
US1539637A
Cited
FR853349A
Cited
US2317648A
Cited
US2419045A
Cited
US2773501A
Cited
US3120845A
Cited
US3173417A
Cited
US3104448A
Cited
US3175554A
Cited
US3507276A
Cited
US3543966A
Cited
US3529580A
Cited
US3815605A
Cited
US3893455A
Cited
US4021920A
Cited
US3835860A
Cited
US3893445A
Cited
US3991765A
Cited
US4185619A
Cited
US4099518A
Cited
US4124026A
Cited
US4142517A
Cited
US4170993A
Cited
US4194505A
Cited
US4258722A
Cited
FR2457105B1
Cited
US4262676A
Cited
US4381777A
Cited
US4333459A
Cited
US4306570A
Cited
US5279306A
Cited
US5279306B1
Cited
US4543966A
Cited
US4484577A
Cited
US4441563A
Cited
FR2516386B1
Cited
US4469109A
Cited
GB2130890B
Cited
US4605011A
Cited
US4620539A
Cited
US4553539A
Cited
US4655226A
Cited
US4654492A
Cited
US4723945A
Cited
US4659329A
Cited
US4716901A
Cited
US4692073A
Cited
US4787893A
Cited
US4646731A
Cited
US4758225A
Cited
US4711636A
Cited
US4713061A
Cited
US4793363A
Cited
US4935010A
Cited
US4772261A
Cited
US5002546A
Cited
US4944677A
Cited
US4867158A
Cited
US4762118A
Cited
US5529580A
Cited
US4940459A
Cited
US5431655A
Cited
US5484442A
Cited
US5601559A
Cited
US4919146A
Cited
US4986279A
Cited
US5025797A
Cited
US5400798A
Cited
US5139500A
Cited
US4969870A
Cited
USRE34056E
Cited
US4921013A
Cited
US5057085A
Cited
US5036860A
Cited
US5172702A
Cited
US5074311A
Cited
US5172701A
Cited
US5348022A
Cited
US5713368A
Cited
US5120312A
Cited
US5195985A
Cited
US5269785A
Cited
US5137518A
Cited
US5133359A
Cited
US5249583A
Cited
US5122114A
Cited
US5176643A
Cited
US5451210A
Cited
US5868711A
Cited
US5960797A
Cited
US5203056A
Cited
US5207697A
Cited
US5116324A
Cited
US5385553A
Cited
US5324300A
Cited
US5766221A
Cited
US5885226A
Cited
US5332398A
Cited
US6228088B1
Cited
US5383859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2013-04-19 | 2013-10-19 | 2014-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2017-04-19 | 2017-10-19 | 2018-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2021-04-19 | 2021-10-19 | 2022-04-20 | $7700.00 | Window Closed / Lapsed |