US8715287B2 Active / In Force US ⏱️ 2.1 years remaining

Apparatus and method to provide emergency access to bone marrow

Assignee: Teleflex Life Sciences II LLC

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Filing: 2008-12-10

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Granted: 2014-05-06

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Expires: 2028-12-10

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Abstract

Abstract An apparatus and method for penetrating the bone marrow is provided. The apparatus includes a housing, a penetrator assembly, operable to penetrate the bone marrow, a connector operable to releasably attach the penetrator assembly to a drill shaft, the drill shaft operable to connect the penetrator assembly to a gear assembly, a gear assembly operable to engage and rotate the drill shaft, a motor operable to engage the reduction gear assembly and drive the penetrator into the bone marrow by rotation of the drill shaft, and a power supply and associated circuitry operable to power the motor. The apparatus and method may be adapted to insert a probe through the skull and into the brain.

Inventors

👤 Larry J. Miller

Bibliographic Details

Application Number —

Jurisdiction US

Data Source google_patents

Last Synchronized 2026-10-23 08:01

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: 2

Claim 1

Independent Claim 160 words

An apparatus for penetrating a bone and associated bone marrow comprising: a housing; a needle assembly, including an IO needle and a trocar, operable to penetrate the bone and associated bone marrow; a drill shaft rotatably disposed within the housing; a holding mechanism operable to releasably attach the needle assembly to the drill shaft; the holding mechanism including a chuck; the drill shaft operable to connect the needle assembly to a reduction gear assembly disposed within the housing; the reduction gear assembly operable to rotate the drill shaft; a motor disposed within the housing; the motor operable to engage the reduction gear assembly and drive the needle assembly into the bone and associated bone marrow by rotation of the drill shaft; a battery power supply and associated circuitry disposed within the housing to power the motor; and means for automatically releasing the needle assembly after the needle assembly advances to a predetermined depth in the bone and associated bone marrow.

Claim 2

Independent Claim 160 words

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USPTO Annuity & Maintenance Windows

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2017-05-05	2017-11-04	2018-05-06	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2021-05-05	2021-11-04	2022-05-06	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2025-05-05	2025-11-04	2026-05-06	$7700.00	Window Closed / Lapsed

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