DSBClass II

Plethysmograph, Impedance

21 CFR 870.2770 / Cardiovascular

DSB is the FDA product code for Plethysmograph, Impedance, a class II device type, regulated under 21 CFR 870.2770. As of 2026-09-10, FDA records hold 115 510(k) clearances under this code, the most recent dated 2026-08-17, and 2 recalls.

Classification record

Product code: DSB
Device name: Plethysmograph, Impedance
Regulation: 21 CFR 870.2770
Device class: Class II
Review panel: Cardiovascular
Submission type: 510(k)
Implant: No
Life sustaining or supporting: No
GMP exempt: No
Third party review eligible: Yes
Ingested clearances: 115
Ingested recalls: 2

Clearances, product code DSB

By decision year

115 clearances under product code DSB with a decision year between 1977 and 2026, 1988 the highest year at 9.

Show the numbers

510(k) clearances under FDA product code DSB by decision year
Year	Clearances
1977	1
1978	1
1979	1
1981	1
1982	5
1983	3
1984	2
1985	3
1986	3
1987	5
1988	9
1989	5
1990	6
1991	5
1992	1
1993	1
1994	2
1995	4
1996	2
1997	5
1998	2
1999	1
2000	2
2001	3
2002	2
2003	2
2004	3
2005	1
2007	2
2008	6
2009	2
2010	1
2011	2
2012	1
2013	2
2014	2
2015	2
2017	2
2018	1
2019	1
2020	2
2021	1
2022	1
2023	2
2025	3
2026	1

Applicants with the most clearances

Product code DSB

Applicants holding the most 510(k) clearances under product code DSB
Applicant	Clearances
Cardiodynamics International Corp.	11
Bomed Medical Mfr., Ltd.	4
Impedimed, Inc.	4
Noninvasive Medical Technologies, Inc.	4
Biodynamics Corp.	3
Cardio Kinetics, Inc.	3
Cheetah Medical, Inc.	3
Electro-Diagnostic Instruments	3
Life Sciences Manufacturing, Inc.	3
Osypka Medical GmbH	3

Companies listing this code with FDA

Companies whose registered establishments list this code

12 of 64 companies shown, in name order