Generic Name: Particle Beam Therapy System — Trade Names: (1) Probeat-rt Proton Therapy System — (2) Probeat-cr Proton Therapy System — (3) Probeat-m1 Proton Therapy System

Recall Summary Three Hitachi High-Tech proton therapy systems used to treat solid cancers and brain tumors are being recalled due to a software issue in the patient positioning system. When manually selecting images during a specific positioning mode, the system may not properly position the patient, though following standard operating procedures prevents this problem and positioning checks in other modes would catch any errors. A software update will fix the issue, no patient injuries have been reported, and the company considers the risk of serious harm to be minimal.

Recalling firm
Name of Manufacturer and Distributor: Hitachi High-Tech, Inc. — Address of Manufacturer and Distributor: 1-17-1 Toranomon, Minato-ku, Tokyo — Type of License: Class I Medical Device Manufacturer...
Product
Lot: (1)陽子線治療システム PROBEAT-RT PTRT-01 出荷数量:1台 出荷時期:平成26年2月 (2)陽子線治療システム PROBEAT-CR PTCR-01 出荷数量:1台 出荷時期:平成31年3月 (3)陽子線治療システム PROBEAT-M1 PTM1-01 出荷数量:1台 出荷時期:令和4年1月. Use: 患者体内の固形がん及び脳腫瘍に対して、高エネルギー陽子線を照射する陽子線治療システムです。. Health hazards: 本事象による位置ズレは、手順通りに操作を行えば発生しません。 また、別の位置決めモードでの位置決め確認も行うため、事象が発生した場合でも位置ズレに気付くことが可能 ですので、重篤な健康被害が発生する可能性はまず考えられません。 なお、今回の事例による健康被害発生の連絡は受けておりません。
Reason
We have determined that manually selecting an image while transferring images in a specific positioning mode using the patient positioning assistance system for this medical device can prevent proper positioning; therefore, we have decided to implement a corrective measure in the form of a software update.
Classification
Class II
Category
medical device recall
Country
Japan
Agency
PMDA-DEVICE
Status
Ongoing

Official recall notice from PMDA-DEVICE

Recall details on Nibble Recalls: https://trynibble.app/recalls/a72c4e9e-e685-463f-9b1d-e9bfd92eaa37