US D1,146,021 S1Grant
Piston for a medical injection device
Issue Date:2026-09-01
•1 Claims
•9 Drawing Sheets
Abstract
Metadata
Inventors
- Seung Hoon Choi
- Sang Hyun Chung
Application Information
Application Number:US 35/524,216
Filing Date:2024-03-06
Priority Date:2023-09-22
Art Unit:2943
Classifications
Field of Search:
A61M 5/1782A61M 2005/2073A61M 2005/2013A61M 5/31515A61M 5/3007A61M 5/31511A61M 2005/3118A61M 5/30A61M 5/2033A61M 2005/206A61M 5/3202
Patent Drawings (9 sheets)
Description
[0001] 1. Piston for a medical injection device
[0002] 1.1 : Perspective View
[0003] 1.2 : Front View
[0004] 1.3 : Back View
[0005] 1.4 : Left View
[0006] 1.5 : Right View
[0007] 1.6 : Top View
[0008] 1.7 : Bottom View
[0009] 1.8 : Perspective View In Condition Of Use
[0010] The broken lines in the reproductions depict environmental structure of the piston for a medical injection device that form no part of the claimed design.
Claims
CLAIM
The ornamental design for a piston for a medical injection device, as shown and described.
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Non-Patent Literature (4)
- “Nordson: How to Set Up Blue LV Barrier Pistons for Cyanoacrylates and Watery Fluids.” Found online Feb. 4, 2026 at nordson.com. Reference dated Sep. 25, 2019. Retrieved from https://www.nordson.com/en/about-us/nordson-blog/efd-blogs/092519-how-to-set-up-blue-lv-barrier-pistons-for-cyanoacrylates-and-watery-fluids.Examiner
- “MDPI: A Promising Needle-Free Pyro-Drive Jet Injector . . . . ” Found online Feb. 4, 2026 at mdpi.com. Reference dated May 22, 2023. Retrieved from https://www.mdpi.com/1422-0067/24/10/9094.Examiner
- “Qosina: Needless Injection Sites.” Found online Feb. 4, 2026 at qosina.com. Reference dated Sep. 15, 2024. Retrieved from /https://www.qosina.com/categories/injection-sampling-ports/needleless-injection-sites.Examiner
- “MIT News: Device may inject a variety of drugs without using needles.” Found online Feb. 4, 2026 at news.mit.edu. Reference dated May 24, 2012. Retrieved from https://news.mit.edu/2012/needleless-injections-0524.Examiner