Devices descending from K971890

2 later devices reach Recovery Protrusio Cage through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K992359	MRS-Titan	Rotec Medizintechnik GmbH	2000	0	—
+1	K990032	Modular Protusio Cup	Biomet, Inc.	1999	1	1