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Medical devices, systems and methods utilizing permanent magnets and magnetizable features

A medical device and feature technology, applied in the field of permanent magnets and magnetizable feature devices, can solve problems such as the inability to measure or predict the relative movement of needle hubs and catheter adapter subassemblies

Active Publication Date: 2022-03-08
BECTON DICKINSON & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Systems that rely on magnetizing the cannula prior to insertion can more reliably measure the actual needle tip position, but this method suffers from variations when magnetizing the cannula continuously because it relies on the clinician to place the needle into the magnetic device to magnetized needle
Both systems utilize a magnetic field generated by a portion of the cannula subassembly, therefore, they cannot measure or predict relative motion between the needle hub and catheter adapter subassembly

Method used

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  • Medical devices, systems and methods utilizing permanent magnets and magnetizable features
  • Medical devices, systems and methods utilizing permanent magnets and magnetizable features
  • Medical devices, systems and methods utilizing permanent magnets and magnetizable features

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Embodiment Construction

[0037] Before several exemplary embodiments are described, it is to be understood that the disclosure is not limited to the details of construction or process steps set forth in the following description. The disclosure is capable of other embodiments and of being practiced or being carried out in various ways.

[0038] References in this specification to "one embodiment," "certain embodiments," "various embodiments," "one or more embodiments," or "an embodiment" mean that specific features in conjunction with the described embodiments A component, structure, material or characteristic is included in at least one embodiment. Thus, throughout this specification, phrases such as "in one or more embodiments", "in certain embodiments", "in various embodiments", "in one embodiment" or "in The phrase "in an embodiment" does not necessarily refer to being in the same embodiment. Furthermore, the particular features, structures, materials, or characteristics may be combined in any s...

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Abstract

Systems, methods, and devices for medical device subassemblies including magnetic features are described. The system includes such a catheter adapter subassembly (1012, 112, 12, 212, 312, 512, 612, 712) or needle subassembly (1112, 114, 14, 214, 314, 514, 614) or guide wire introducer Subassembly (1216) and wire (1050) including magnetic features, can be determined using a magnetometer , 14, 214, 314, 514, 614) or the relative movement of the guidewire introducer subassembly (1216) and the wire (1050).

Description

technical field [0001] The principles and embodiments of the present disclosure relate generally to devices, systems and methods that include permanent magnets and magnetizable features. Background technique [0002] Traditionally, the puncture of a needle, guidewire, stylet, or other medical device through skin tissue to access a vein during catheterization has been invisible to the clinician. For this reason, clinicians must rely on first-hand experience of device insertion in combination with tactile perception to successfully identify vein locations or other body locations. This can be a difficult task when attempting to access venules in locations deep under the skin or remote locations within the patient's body, such as the pleural cavity, increasing the risk of excessive pain and / or injury to the patient. [0003] Emerging procedural guidance systems utilize a combination of ultrasound and magnetic techniques to provide visualization of subcutaneous anatomy and devic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/06A61M25/01
CPCA61B8/4254A61B34/20A61B2034/2051A61B5/062A61B8/0841A61M25/0102A61M25/0127A61M25/0618A61M25/09041A61B17/3403A61M5/427A61M25/02A61M25/0606A61M25/0612A61M25/065A61B2017/3413A61M2039/1077A61M2025/0266A61M2025/0166A61M39/10
Inventor J·K·伯克霍兹S·谢夫古尔E·G·亨德森
Owner BECTON DICKINSON & CO
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