REMSTAR PLUS M-SERIES
Report
- Report Number
- 2518422-2010-00127
- Event Type
- Malfunction
- Date Received
- December 1, 2010
- Date of Event
- October 1, 2010
- Report Date
- November 1, 2010
- Manufacturer
- RESPIRONICS INC.
- Product Code
- BZD
- PMA / PMN Number
- K010263
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- NY, US
- Reporter Occupation
- OTHER
Narratives
ADD'L PMA/510(K)# K052110. METHOD: REVIEW OF COMPLAINT DATABASE. THE INCREASED HEAT CAN CAUSE DEFORMATION AND, POTENTIALLY, VOIDS IN THE DEVICE ENCLOSURE. THE CAUSE(S) AND PATH OF THE FLUID INGRESS COULD NOT BE DETERMINED; HOWEVER, THE PRODUCT'S LABELING PROVIDES USER CARE AND HANDLING INSTRUCTIONS TO PREVENT WATER INGRESS FROM OCCURRING OR AFFECTING THE OPERATION OF THE DEVICE SHOULD IT INADVERTENTLY OCCUR (M SERIES USER MANUAL HEATED HUMIDIFIER, VERSION 01, PART NUMBER 1040469, PAGE 4, SECTION: WARNINGS AND CAUTIONS). THE MFR CONCLUDES THE WATER INGRESS AND SUBSEQUENT PRODUCT FAILURE WERE CAUSED AND OR CONTRIBUTED TO BY A FAILURE OF THE PRODUCT USER TO APPLY THE MFR'S CARE AND HANDLING INSTRUCTIONS WHEN USING THE DEVICE. EVAL OF THE RISK TO USERS RESULTING FROM THE ADULTERATION OF THE DEVICE'S AIR WAY INCLUDED AN ASSESSMENT OF THE DEVICE'S AIR PATH. THE DEVICE'S PT AIR PATH, WHICH IS ISOLATED FROM THE ELECTRONICS COMPARTMENT, WAS FOUND TO BE NON-COMPROMISED AND IS CONCLUDED TO HAVE BEEN EFFECTIVE IN MITIGATING ANY RISK TO THE PRODUCT USER THAT MAY HAVE RESULTED FROM THE DEVICE'S PT AIR PATH BEING COMPROMISED. EVAL OF THE RISK TO USERS ASSOCIATED WITH FIRE HAZARD INCLUDED AN ASSESSMENT OF THE EFFECTIVENESS IN THE DEVICE'S DESIGN IN MITIGATING THIS HAZARD. THE DEVICE'S HOUSING, MADE OF NON-FLAMMABLE MATERIALS CONFORMING TO (B)(4) STANDARDS, WAS CONCLUDED TO HAVE BEEN EFFECTIVE IN CONTAINING AND RESISTING ANY SUBSTANTIAL THERMAL INVOLVEMENT ASSOCIATED WITH THE DEVICE'S PCA FAILURE. THE CONTINUOUS POSITIVE AIRWAY PRESSURE (CPAP) DEVICE IS CLEARED FOR AND INTENDED TO TREAT OBSTRUCTIVE SLEEP APNEA IN SPONTANEOUSLY BREATHING PTS WEIGHING MORE THAN 30 KG. THE LOSS OF CPAP THERAPY DOES NOT REPRESENT A SIGNIFICANT RISK OF HARM TO THE INTENDED USER POPULATION. COMPLAINT RECORDS FOR THE AFFECTED DEVICE WERE REVIEWED TO DETERMINE IF THE ISSUE IDENTIFIED IN THIS REPORT HAD PREVIOUSLY OCCURRED AND RESULTED IN AN ADVERSE EVENT. THE COMPLAINT RECORDS REVIEWED WERE RECORDED FROM JANUARY 01, 2006 (THE DATE OF THE AFFECTED DEVICE WAS RELEASED FOR DISTRIBUTION) TO NOV. 22, 2010. THE REVIEW DETERMINED THAT NO REPORTS OR ALLEGATIONS OF ADVERSE EVENTS ASSOCIATED WITH THIS ISSUE HAD BEEN PREVIOUSLY REPORTED. BASED ON THE INVESTIGATION AND THESE FINDINGS, THE MFR CONCLUDES THAT NO FURTHER ACTION IS APPROPRIATE.
A DURABLE MEDICAL EQUIPMENT SUPPLIER (DME) REPORTED THAT A CONTINUOUS POSITIVE AIRWAY PRESSURE DEVICE (CPAP) HAD STARTED SMOKING AS SOON AS THE PT TURNED IT ON. THERE WAS NO REPORT OF PROPERTY DAMAGE, INJURY OR HARM. THE DEVICE WAS EVALUATED BY THE MFR. THE COMPLAINT OF THE DEVICE HAVING EMITTED SMOKE WAS CONFIRMED. THERMAL DAMAGE TO THE TOP ENCLOSURE OF THE DEVICE WAS OBSERVED IN THE FORM OF A THERMAL VOID. THE DAMAGE TO THE ENCLOSURE IS PROXIMAL TO A THERMALLY DAMAGED PORTION OF THE DEVICE'S PRINTED CIRCUIT ASSEMBLY (PCA) WHICH CONTAINS THE MOTOR DRIVING CIRCUITRY. EVIDENCE OF FLUID INGRESS WAS OBSERVED ON THE PCA AND OTHER AREAS INSIDE THE DEVICE'S HOUSING. THE MFR COMPLETED THEIR INVESTIGATION OF THE REPORTED COMPLAINT AND HAS CONCLUDED THE FAILURE MODE IS CAUSED BY THE PRESENCE OF CONDUCTIVE FLUID AT THE LOCATION OF THE MOTOR DRIVING FIELD EFFECT TRANSISTORS (FET) ON THE DEVICE'S THERAPY PCA. CONDUCTIVE FLUID IN THIS LOCATION CAN, IN SOME CASES, ALLOW ELECTRICAL CURRENT FLOW BETWEEN THE PINS AND COMPONENTS OF THE MOTOR DRIVING CIRCUIT, CAUSING THE CONTROLLING TRANSISTOR TO CONTINUOUSLY POWER ONE OR MORE OF THE MOTOR-DRIVING FETS. CONTINUOUS POWER TO THE MOTOR-DRIVING FETS CAN CAUSE AN INCREASE IN COMPONENT HEAT WHICH CANNOT BE DISSIPATED EFFECTIVELY THROUGH THE COMPONENT'S HEAT SINK.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1 | REMSTAR PLUS M-SERIES | CONTINUOUS POSITIVE AIRWAY PRESSURE | BZD | RESPIRONICS INC. | 200M |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | 60 YR | M-SERIES (DC) HEATED HUMIDIFIER, U1049109,| (B)(4) |