公开(公告)号：US20230096792A1

公开(公告)日：2023-03-30

申请号：US17908659

申请日：2021-03-02

Applicant: DH TECHNOLOGIES DEVELOPMENT PTE. LTD.

Inventor： Don W. ARNOLD ,  Thomas R. COVEY ,  Chang LIU

IPC: B01L3/00 ,  B03C1/033 ,  B03C1/30

Abstract: An electromagnetic sampling device is disclosed, which comprises a needle having a hollow housing that extends from a proximal end to a distal end, and an electromagnet comprising an electromagnetic coil and a metal core, at least a portion of said metal core extending through said hollow housing of the needle and be configured to transition between an extended position in which the distal end of the metal core extends beyond the distal end of the needle's hollow housing and a retracted position in which the distal end of the metal core is positioned within the needle's housing, wherein an activation of said electromagnetic coil magnetizes the metal core.

公开(公告)号：US20250149321A1

公开(公告)日：2025-05-08

申请号：US18333535

申请日：2023-06-12

Applicant: DH Technologies Development Pte. Ltd.

Inventor： Don W. ARNOLD

IPC: H01J49/04

Abstract: Integrated system for delivering sample to a mass spectrometer, which includes a chamber extending from a top to bottom end, an open port probe disposed in the chamber such that an open end of the probe, which is configured for receiving a sample, is positioned in proximity to top end of the chamber. The system can further include a solvent inlet port coupled to said chamber for receiving a solvent and directing said solvent to said probe, and a solvent outlet port for receiving a flow of the solvent from the open port probe and directing the received solvent out of the chamber. The system can also include an adapter for receiving a sample holder having an outlet port, the adapter is releasable and replaceable and couple with chamber to align the outlet port of sample holder with open end of probe for delivering sample to the probe.