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Intraosseous access device and method to access bone marrow

A bone marrow and bone technology, applied in medical science, ovulation diagnosis, surgery, etc., can solve the problems of rigid sleeve shedding, broken needles, etc.

Pending Publication Date: 2021-10-01
TELEFLEX LIFE SCI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, placing the needle in the bone at an angle that is not substantially perpendicular to the patient's chest can lead to broken needles or other complications
[0007] Also, conventional rigid sleeves inserted into bone can be inadvertently dislodged due to impact or patient movement

Method used

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  • Intraosseous access device and method to access bone marrow
  • Intraosseous access device and method to access bone marrow
  • Intraosseous access device and method to access bone marrow

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Embodiment Construction

[0125] The present invention provides an intraosseous (IO) device and method for penetrating bone and entering the associated marrow for medical procedures such as aspiration and biopsy of the marrow. The term "intraosseous (IO) device" in this application includes, but is not limited to, any hollow needle, hollow drill, piercer assembly, bone piercer, catheter, cannula operable to provide access to the intraosseous space or inside the bone , trocar, stylet, inner trocar, outer penetrator, IO needle, biopsy needle, aspiration needle, IO needle set, biopsy needle set, or aspiration needle set. In addition, a wide variety of other IO devices can be formed in accordance with one or more teachings of the present invention. The IO device may be formed at least in part from metal alloys such as 304 stainless steel and other biocompatible materials associated with needles and similar medical devices.

[0126] The term "fluid" may be used in this application to refer to any liquid in...

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PUM

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Abstract

Penetrator assemblies operable to provide access to an intraosseous space are disclosed. The penetrator assembly may include a flexible outer penetrator having a longitudinal bore and a distal end operable to penetrate bone and associated bone marrow. The penetrator assembly may also include a rigid inner penetrator including a distal end operable to penetrate bone and associated bone marrow. A hub having a distal end is connected to a proximal end of the flexible outer penetrator. A connector having a distal end is connected to a proximal end of the rigid inner penetrator. A proximal end of the connector can releasably engage a driver. The longitudinal bore of the flexible outer penetrator can removably receive the rigid inner penetrator to prevent or minimize the flexible outer penetrator from bending during an insertion procedure. The flexible outer penetrator can bend after removal of the rigid inner penetrator from the longitudinal bore.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority to U.S. Provisional Patent Application No. 62 / 670,691, filed May 11, 2018, the entire disclosure of which is incorporated herein by reference. technical field [0003] The present application relates generally to a medical device for accessing the intraosseous space, and more particularly, to an intraosseous device and method for penetrating bone and entering the associated marrow for medical procedures. Background technique [0004] An important factor in treating critically ill patients is the rapid establishment of intravenous (IV) access to administer drugs and fluids directly into the circulatory system. Whether in a paramedic's ambulance or an emergency specialist's emergency room, the purpose is the same: to initiate an IV to administer life-saving medications and fluids. Successful treatment of such critical emergencies depends largely on the skill and luck of t...

Claims

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Application Information

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IPC IPC(8): A61B17/34
CPCA61B17/3472A61B17/3417A61B2090/033A61B10/025A61B10/0275A61B17/3494
Inventor 摩根·蒂尔尼亚历克斯·福明纳斯
Owner TELEFLEX LIFE SCI LTD
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