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

• US 8,038,664 B2
• Filed: 12/31/2008
• Issued: 10/18/2011
• Est. Priority Date: 05/31/2002
• Status: Expired due to Term

• 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.
• Primary Examiner(s): Stigell; Theodore
• Assistant Examiner(s): OSINSKI, BRADLEY JAMES
• Application Number:
  US12/347,506
• Publication Number:
  US 20090112168A1
• Time in Patent Office: 1,021 Days
• Field of Search: 604/187, 604/154, 604/188, 604/500, 604/506
• US Class Current: 604/506
• 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. A method for delivering a quantity of fluid to bone marrow comprising:

compressing a spring associated with a plunger operating assembly slidably disposed in a longitudinal bore of a drive housing, the plunger operating assembly comprising a piston and a plunger shaft coupled to the piston, the plunger shaft extending from a cartridge assembly filled with a fluid;

inserting the fluid filled cartridge assembly into a cavity located in the plunger operating assembly;

releasably engaging one end of the fluid filled cartridge assembly with a first end of the drive housing;

inserting a bone penetrating needle extending from an opposite end of the fluid filled cartridge assembly into bone marrow at a target site by rotating the drive housing and the fluid filled cartridge assembly releasably engaged to the first end of the drive housing;

contacting portions of a patient'"'"'s skin proximate the target site with a first end of a retractable sleeve slidably disposed over exterior portions of the drive housing;

sliding the retractable sleeve longitudinally relative to a pawl latch assembly wherein the pawl latch assembly is releasably engaged to hold the plunger operating assembly in a cocked position;

contacting portions of the pawl latch assembly with a ramp formed on an inner surface of the retractable sleeve in response to rotating the driving housing and sliding the retractable sleeve longitudinally in order to release the spring and move the plunger operating assembly from the cocked position to a released position; and

injecting a quantity of fluid from the fluid filled cartridge assembly into the bone marrow through a longitudinal bore in the bone-penetrating needle.

2. The method of claim 1 further comprising filling a fluid reservoir in the cartridge assembly with a fluid having medication.

3. The method of claim 1 further comprising selecting the target site from the group consisting of a humeral head and a tibia.

4. The method of claim 1 wherein inserting the bone penetrating needle further comprises using a powered driver to rotate the drive housing and the releasably engaged fluid filled cartridge assembly to insert the bone penetrating needle through portions of a bone and bone marrow proximate the target site.

5. The method of claim 1 wherein releasably engaging comprises magnetically releasably engaging one end of the fluid filled cartridge assembly with a first end of the drive housing.