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Sony patents particle sorting kit with improved tube connections

Sony has been granted a patent for a particle sorting kit that separates particles from liquid samples. The design features a specific fitting with a protrusion and a tapered section to reduce particle loss and allow the device to work at low flow rates.

Why it mattersThis improves the reliability of laboratory equipment used to analyze liquid samples by minimizing sample loss during the sorting process.

In the filing’s own words

There is provided a particle sorting kit including a filter unit, which has a small amount of particle loss at a connection portion between a tube through which a sample liquid flows and the filter unit and functions even at a low flow rate. The particle sorting kit includes a sample accommodation unit for accommodating a sample liquid containing particles, a sample flow path through which the sample liquid flows, a detection region in which a target particle is detected from the sample liquid, and a filter unit including a filter and a fitting portion that fits to an outer diameter of a tube for connection with the sample accommodation unit and/or the sample flow path, in which the fitting portion includes a protrusion that protrudes in the tube direction.

What exactly they claim (claim 1)

1. A particle sorting kit, comprising: a sample accommodation unit that accommodates a sample liquid containing particles; a sample flow path through which the sample liquid flows; a detection region in which a target particle is detected from the sample liquid; a filter unit including a filter and a fitting portion that fits to an outer diameter of a tube for connection with the sample accommodation unit and/or the sample flow path, wherein the fitting portion includes a protrusion that protrudes in a tube direction; and the filter unit includes a tapered portion downstream of the filter and the fitting portion, the sample liquid being enclosed within the tapered portion and flows along slanted sidewalls of an internal passage of the tapered portion.

Facts

Company
Sony (Sony Group Corporation)
Official title
Particle sorting kit
Patent number
US12728417B2
Application number
18278067
Filed
Feb 22, 2022
Granted
Sep 8, 2026
Inventors
2
Claims
11

Classified under

B01L 3/502753 Operations & transportB01L 3/502761 Operations & transportG01N 15/1459 Physics & computingG01N 15/1484 Physics & computingG01N 37/00 Physics & computingB01L 2200/0652 Operations & transport
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.