2. Japan Hernia Market TEPP 910 27.1% TAPP 2,450 72.9% Lap. 3,360 3% PHSKugel Open 108,640 97% Inguinal 112,000 85% Lap. 202 1% Open 19,998 99% Ventral 20,200 15% Total Hernia 132,200 19,000 others 26,840 800 Plug 62,000

3. # of case per hernia procedures* # of cases * Data Source: JSES 5-6, December 2000

4. Lap. Approach for Inguinal Hernia * Data Source: JSES 5-6, December 2000

5. Hernia Market U.S. Open – 149,000 (80% Ventral) Lap – 37,000 (20% Ventral) Ventral – 184,000 Open – 644,000 (87% Inguinal) TEP – 62,000 (65% Lap) TAPP – 34,000 (35% Lap) Lap – 96,000 (13% Inguinal) Inguinal – 740,000 Total Hernia Market 924,000

6. Hernia Market EUROPE Open – 600,000 (80% Inguinal) Lap – 150,000 (20% Inguinal) Open – 150,000 (75% Ventral) TEP - 62K (65% Lap) TAPP - 34K (35% Lap) Lap – 50,000 (25% Ventral) Ventral-200 ， 000 Total Hernia Market 950 ， 000 Inguinal-750,000 TEP-54,000 36% TAPP-96,000 64%