US20050171504A1 — Apparatus and method to provide emergency access …

Claim 1

Independent Claim 92 words

1 . An apparatus for penetrating a bone marrow comprising: a housing; a penetrator assembly, operable to penetrate the bone; 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.

Claim 2

Dependent Claim 92 words

1 . An apparatus for penetrating a bone marrow comprising: a housing; a penetrator assembly, operable to penetrate the bone; 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.

Claim 3

Dependent Claim 15 words

2 . The apparatus of claim 1 wherein the penetrator assembly includes a retractable shield.

Claim 4

Dependent Claim 20 words

3 . The apparatus of claim 1 wherein the power supply is turned on and off by a switch trigger.

Claim 5

Dependent Claim 17 words

4 . The apparatus of claim 1 wherein the power supply is controlled by a pressure control.

Claim 6

Dependent Claim 24 words

5 . The apparatus of claim 1 wherein the amount of power remaining in the power supply is indicated by a power supply indicator.

Claim 7

Dependent Claim 18 words

6 . The apparatus of claim 1 where the housing is configured in the shape of a pen.

Claim 8

Dependent Claim 21 words

7 . The apparatus of claim 1 wherein the penetrator assembly depth of penetration is limited by a depth control mechanism.

Claim 9

Dependent Claim 18 words

8 . The apparatus of claim 1 wherein the connector is operable to connect to a drug-loaded receptacle.

Claim 10

Dependent Claim 20 words

9 . The apparatus of claim 1 wherein the connector is operable to connect to a unit dose of drug.

Claim 11

Dependent Claim 23 words

10 . The apparatus of claim 1 wherein the connector is operable to connect to tubing connected to a bag of intravenous fluid.

Claim 12

Dependent Claim 20 words

11 . The device of claim 1 wherein the depth of needle penetration is controlled by sliding interlocking metal sleeves.

Claim 13

Dependent Claim 17 words

12 . The device of claim 1 wherein the depth of needle penetration is controlled by detents.

Claim 14

Dependent Claim 22 words

13 . The needle of claim 1 wherein the needle hub is held in position by a needle locking mechanism or clamp.

Claim 15

Dependent Claim 23 words

14 . The needle locking mechanism of claim 1 wherein a holding clamp releases the needle on contact with a needle shield trigger.

Claim 16

Dependent Claim 83 words

15 . An apparatus for penetrating a bone marrow comprising: 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; and an energy-releasing mechanism operable to engage the reduction gear assembly and drive the penetrator into the bone marrow by rotation of the drill shaft.

Claim 17

Dependent Claim 83 words

15 . An apparatus for penetrating a bone marrow comprising: 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; and an energy-releasing mechanism operable to engage the reduction gear assembly and drive the penetrator into the bone marrow by rotation of the drill shaft.

Claim 18

Dependent Claim 15 words

16 . The apparatus of claim 15 wherein the energy releasing mechanism comprises a spring.

Claim 19

Dependent Claim 24 words

17 . The apparatus of claim 16 wherein the spring is operable to be rewound by a knob on the back of the device.

Claim 20

Dependent Claim 17 words

18 . The apparatus of claim 16 wherein a one-way ratchet is operable to rewind the spring.

Claim 21

Dependent Claim 24 words

19 . The apparatus of claim 16 wherein the spring is rewound by means of a pull string operable to attach to a spool

Claim 22

Dependent Claim 21 words

20 . The apparatus of claim 16 wherein the spring is rewound by means of gearbox enclosed in a handle grip.

Claim 23

Dependent Claim 24 words

21 . The apparatus of claim 15 wherein the speed of the spring's rotation is controlled with rotational weights contained within the spring's powertrain.

Claim 24

Dependent Claim 17 words

22 . An apparatus for stabilizing a penetrator assembly comprising: a band operable to immobilize an extremity.

Claim 25

Dependent Claim 17 words

22 . An apparatus for stabilizing a penetrator assembly comprising: a band operable to immobilize an extremity.

Claim 26

Dependent Claim 11 words

23 . The apparatus of claim 22 further comprising velcro straps.

Claim 27

Dependent Claim 21 words

24 . The apparatus of claim 22 operable to detect a change in extremity circumference by means of a pressure monitor.

Claim 28

Dependent Claim 135 words

25 . A method of injecting a unit dose of medication into a bone marrow comprising: drilling into the bone marrow with an apparatus comprising 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; detaching the penetrator assembly from the housing; attaching a unit dose of medication to the connector; and injecting the unit dose of medication into the bone marrow.

Claim 29

Dependent Claim 135 words

25 . A method of injecting a unit dose of medication into a bone marrow comprising: drilling into the bone marrow with an apparatus comprising 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; detaching the penetrator assembly from the housing; attaching a unit dose of medication to the connector; and injecting the unit dose of medication into the bone marrow.

Claim 30

Dependent Claim 127 words

26 . A kit for injecting a unit dose of medication into the bone marrow comprising: an apparatus comprising 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 reduction gear assembly, a reduction 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; a band operable to immobilize an extremity; penetrator assemblies in varying sizes; and unit doses of medications used for emergency treatment of patients.

Claim 31

Dependent Claim 127 words

26 . A kit for injecting a unit dose of medication into the bone marrow comprising: an apparatus comprising 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 reduction gear assembly, a reduction 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; a band operable to immobilize an extremity; penetrator assemblies in varying sizes; and unit doses of medications used for emergency treatment of patients.

Claim 32

Dependent Claim 15 words

27 . The kit of claim 26 wherein the medications comprise epinephrine, bicarbonate, and digoxin.

Claim 33

Dependent Claim 96 words

28 . An apparatus for the insertion of a probe into the brain comprising: a housing; a penetrator assembly, operable to penetrate the skull, 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.

Claim 34

Dependent Claim 96 words

28 . An apparatus for the insertion of a probe into the brain comprising: a housing; a penetrator assembly, operable to penetrate the skull, 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.

Claim 35

Dependent Claim 15 words

29 . The apparatus of claim 28 wherein the probe is configured like a screw.

Claim 36

Dependent Claim 15 words

30 . The apparatus of claim 28 wherein the probe is automatically sealed upon insertion.

Claim 37

Dependent Claim 19 words

31 . The apparatus of claim 28 wherein the probe is operable to be connected to a pressure transducer.

Claim 38

Dependent Claim 19 words

32 . The apparatus of claim 28 wherein the probe contains circuitry operable to connect to a pressure monitor.

Claim 39

Dependent Claim 20 words

33 . The apparatus of claim 28 wherein the probe is hollow and allows aspiration of fluid from the brain.

Claim 40

Dependent Claim 123 words

34 . A method of monitoring intracranial pressure comprising: inserting an apparatus through the skull into the brain the apparatus comprising a housing, a penetrator assembly, operable to penetrate the skull, 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 brain by rotation of the drill shaft, and a power supply and associated circuitry operable to power the motor; attaching the inserted penetrator assembly to a pressure transducer; and aspirating fluid from the brain as necessary to control intracranial pressure.

Claim 41

Dependent Claim 123 words

34 . A method of monitoring intracranial pressure comprising: inserting an apparatus through the skull into the brain the apparatus comprising a housing, a penetrator assembly, operable to penetrate the skull, 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 brain by rotation of the drill shaft, and a power supply and associated circuitry operable to power the motor; attaching the inserted penetrator assembly to a pressure transducer; and aspirating fluid from the brain as necessary to control intracranial pressure.

Apparatus and method to provide emergency access to bone marrow

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