Apparatus and method to inject fluids into bone marrow and other target sites

• US 20050261693A1
• Filed: 07/27/2005
• Published: 11/24/2005
• Est. Priority Date: 05/31/2002
• Status: Active Grant

• Current Assignee: Teleflex Life Sciences II LLC
• Original Assignee: Vidacare Corp. (Teleflex Incorporated)
• Inventors: Miller, Larry J., Wilk, Robert A., Schwimmer, Charles M., Bolleter, David S.
• Granted Patent: US 7,811,260 B2
• Time in Patent Office: Days
• US Class Current: 606/80
• CPC Class Codes: A61B 17/32002 with continuously rotating, oscillating or reciprocating cutting instruments
• CPC Class Codes: A61B 17/32053 Punch like cutting instruments, e.g. using a cylindrical or oval knife A61B17/326 takes precedence; trepans A61B17/1695; for use on the cornea A61F9/007
• CPC Class Codes: A61B 17/3403 Needle locating or guiding means guides for suture needles A61B17/0482; guiding or tracking by nuclear magnetic resonance G01R33/285
• CPC Class Codes: A61B 17/3472 for bones, e.g. intraosseus injections
• CPC Class Codes: A61B 17/3476 Powered trocars, e.g. electrosurgical cutting, lasers, powered knives
• CPC Class Codes: A61B 2017/3413 guided by ultrasound
• CPC Class Codes: A61B 2090/034 abutting on parts of the device itself
• CPC Class Codes: A61B 90/11 with guides for needles or instruments, e.g. arcuate slides or ball joints
• CPC Class Codes: A61M 2005/1581 Right-angle needle-type devices
• CPC Class Codes: A61M 2005/1585 Needle inserters
• CPC Class Codes: A61M 2005/3103 Leak prevention means for distal end of syringes, i.e. syringe end for mounting a needle
• CPC Class Codes: A61M 2005/3289 with rotation of the needle, e.g. to ease penetration
• CPC Class Codes: A61M 2210/02 Bones
• CPC Class Codes: A61M 5/1454 spring-actuated, e.g. by a clockwork
• CPC Class Codes: A61M 5/158 Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
• CPC Class Codes: A61M 5/2033 Spring-loaded one-shot injectors with or without automatic needle insertion multishot dosing syringes A61M5/31525, needle insertion only A61M5/3287
• CPC Class Codes: A61M 5/24 Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic ampoules or carpules A61J1/06
• CPC Class Codes: A61M 5/31511 Piston or piston-rod constructions, e.g. connection of piston with piston-rod A61M5/5066 takes precedence
• CPC Class Codes: A61M 5/3291 Shafts with additional lateral openings
• CPC Class Codes: A61M 5/34 Constructions for connecting the needle , e.g. to syringe nozzle or needle hub connecting catheter tubes to hubs A61M25/0014

Abstract

Apparatus for delivering a quantity of fluid to bone marrow of a bone or providing access to remove fluids from a target site is provided. The apparatus may include a driver, a plunger operating and cartridge assembly mechanism, a cartridge assembly having a fluid reservoir and a bone penetrating needle.

Claims

1. An apparatus for delivering a quantity of fluid to bone marrow of a bone comprising;

a driver;

a plunger operating and cartridge drive mechanism coupled with the driver;

a cartridge assembly having a fluid reservoir with a plunger assembly slidably disposed in the fluid reservoir;

a hollow bone penetrating needle attached to and extending from the fluid reservoir; and

the plunger operating and cartridge drive mechanism operable to rotate the cartridge assembly and insert the bone penetrating needle into bone marrow of the bone.

2. The apparatus of claim 1 further comprising the plunger operating and cartridge drive mechanism operable to deliver a fluid contained in the fluid reservoir after the bone penetrating needle has been inserted into the bone marrow.

3. The apparatus of claim 1 wherein the plunger and drive mechanism comprises a spring loaded plunger operating assembly.

4. The apparatus of claim 1 wherein the plunger operating and cartridge drive mechanism comprises a spring loaded retractable sleeve.

5. The apparatus of claim 1 further comprising means for releasably engaging the cartridge assembly with the plunger operating and cartridge drive mechanism.

6. The apparatus of claim 1 wherein the plunger assembly further comprises a plunger shaft and a piston.

7. The apparatus of claim 1 wherein the fluid reservoir comprises a luer fitting.

8. The apparatus of claim 1 wherein the bone penetrating needle comprises a closed tip having at least one cutting edge operable for drilling into a bone.

9. The apparatus of claim 1 wherein the bone penetrating needle comprises a longitudinal bore having side ports extending therefrom.

10. The apparatus of claim 1 wherein the driver comprises a housing, a motor, a power source, and a gearbox.

11. An apparatus for delivering a quantity of medication to bone marrow of a bone comprising:

a driver;

a plunger operating and cartridge drive mechanism rotatably engaged with the driver;

a cartridge assembly having a drive connector attached thereto;

the drive connector operable to be releasably engaged with one end of the plunger operating and cartridge drive mechanism; and

a bone penetrating needle engaged with the cartridge assembly opposite from the drive connector.

12. The apparatus of claim 11 wherein the drive connector further comprises at least one magnet operable to releasably engage the cartridge assembly with the one end of the plunger operating and cartridge drive mechanism.

13. The apparatus of claim 11 further comprising a ball and detent mechanism operable to releasably engage the cartridge assembly with the one end of the plunger operating and cartridge drive mechanism.

14. The apparatus of claim 11 wherein the plunger operating and cartridge drive mechanism further comprises:

a plunger operating assembly having a first, cocked position and a second, released position;

a first spring operable to move the plunger operating assembly from its first position to its second position;

a retractable sleeve operable to slide longitudinally relative to the plunger operating and cartridge drive mechanism;

a second spring operable to bias the retractable sleeve to move from a retracted position to an extended position;

a pawl latch assembly having a first position which releasably engages the plunger operating assembly in its first position;

the pawl latch assembly having a second position which allows movement of the plunger operating assembly from its first position to its second position; and

a third spring operable to bias the pawl latch assembly in its first position.

15. An apparatus for delivering a quantity of medication to the bone marrow of a bone comprising:

a driver;

a plunger operating assembly;

a plunger spring;

a spring loaded retractable sleeve; and

a cartridge assembly having a fluid reservoir and a bone penetrating needle.

16. An apparatus for delivering a quantity of medication to bone marrow comprising:

a powered driver engaged with a plunger operating and cartridge drive mechanism; and

a spring loaded plunger operating assembly operable to inject fluid containing the medication from a cartridge assembly releasably engaged with the plunger operating and cartridge drive mechanism.

17. An apparatus for delivering a quantity of medication to the bone marrow of a bone comprising:

a powered driver configured to attach to a spring loaded plunger and drive mechanism comprising a housing, a connector operable to releasably attach a spring loaded plunger and drive mechanism, a drill shaft, a gear assembly operable to engage and rotate the drill shaft, a motor, a power supply and associated circuitry operable to power the motor;

a spring loaded plunger and drive mechanism comprising a spring, a plunger barrel, a spring loaded retractable sleeve; and

a releasable cartridge having a fluid reservoir comprising a plunger, a luer fitting and a bone penetrating needle.

18. A method for delivering a quantity of fluid to bone marrow comprising:

compressing a spring associated with a plunger operating assembly coupled with a driver;

engaging a fluid filled cartridge assembly with the plunger operating assembly;

inserting a bone penetrating needle extending from the cartridge assembly into bone marrow at a target site using the driver; and

injecting a quantity of fluid into the bone marrow by releasing the spring to activate the plunger operating assembly.

19. The method of claim 18 further comprising filling the fluid reservoir with a fluid having medication.

20. The method of claim 18 further comprising selecting the target site from the group consisting of a humeral head and a tibia.

21. The method of claim 18 wherein inserting the bone penetrating needle further comprises using the driver to rotate the cartridge assembly and insert the bone penetrating needle through portions of a bone at the target site.

22. A method of manufacture of an apparatus for delivering a quantity of medication to the bone marrow of a bone comprising:

forming a powered driver configured to attach to a spring loaded plunger and drive mechanism comprising a housing, a connector operable to releasably attach a spring loaded plunger and drive mechanism, a drill shaft, a gear assembly operable to engage and rotate the drill shaft, a motor and a power supply and associated circuitry operable to power the motor;

forming a plunger operating and cartridge drive mechanism comprising a spring, a plunger barrel, and a spring loaded retractable sleeve; and

forming a releasable cartridge having a fluid reservoir comprising a plunger, a luer fitting and a bone penetrating needle.

23. A cartridge assembly for delivering a quantity of medication to bone marrow of a bone comprising:

a fluid reservoir having a first end and a second end;

a hollow, bone penetrating needle engaged with the first end of the fluid reservoir;

a plunger assembly including a plunger shaft and a piston slidably disposed in the fluid reservoir;

a drive connector attached to the second end of the fluid reservoir opposite from the bone penetrating needle; and

a portion of the plunger shaft extending from the second end of the fluid reservoir.

24. The cartridge assembly of claim 23 further comprising the fluid reservoir formed at least in part by a material selected from the group consisting of glass composite, plastic, or a plastic composite.

25. The cartridge assembly of claim 24 comprising:

a detachable fluid reservoir comprising a plunger; and

a bone penetrating needle.

26. The cartridge assembly of claim 24 further comprising a hub operable for releasably engaging the bone penetrating needle with the first end of the fluid reservoir.

27. The cartridge assembly of claim 24 further comprising the fluid reservoir filled with one or more fluids selected from the group consisting of medications for treatment of cardiac arrest, antibiotics, poison antidotes, nerve gas antidotes, radioprotectants to protect the body against radiation exposure, normal saline solutions, lactated Ringer'"'"'s solution, blood, plasma, albumin and other bio-compatible fluids.

28. An apparatus operable to deliver a quantity of fluid to bone marrow of a bone comprising:

a plunger operating and cartridge drive mechanism; and

a cartridge assembly having a fluid reservoir and a bone penetrating needle.

29. The apparatus of claim 28 wherein the plunger operating and cartridge drive mechanism further comprises a plunger barrel, a spring disposed in the plunger barrel and a latch mechanism operable to release the spring to provide sufficient force to inject fluid from the fluid reservoir into the bone marrow.

30. A bone penetrating needle operable to attach to a cartridge assembly for delivering a quantity of fluid to bone marrow of a bone comprising:

a first end having a closed tip;

a second end operable to receive the fluid from a fluid reservoir;

a longitudinal bore extending from the second end to a location proximate the closed tip; and

at least one side port disposed at an acute angle relative to the longitudinal bore to minimize obstruction of the side port and the longitudinal bore by bony fragments.

31. The bone penetrating needle of claim 30 further comprising multiple side ports communicating with the longitudinal bore.