To provide a method and an apparatus for introducing a soft end part of appliance into a body cavity.
The end part of a long tubular member of the appliance made to be inserted into the body cavity or a tube, is formed of an elastic material soft as a whole. This end part has an inflatable balloon 14 formed in a completely inflated shape. The balloon inflates at a low pressure level predetermined so as to prevent pressure necrosis of a peripheral tissue. An inserting apparatus includes a hard core 80 surrounded by a soft and elastic sleeve 86. The sleeve extends by going over the hard core so as to form a part capable of turning over. The soft end part of the appliance is arranged near the apparatus. The balloon is wound on the apparatus. A part of the sleeve is turned over so as to cover the appliance. The balloon and the soft and round inserting end are compressed. The unit is inserted into the body cavity. Afterwards, the appliance is separated from the apparatus, and the apparatus is extracted.
| WO/2000/047186 | POLYNUCLEOTIDE COMPOSITIONS FOR INTRAMUSCULAR AND INTRADERMAL ADMINISTRATION |
| WO/2020/195352 | DOSING INSTRUMENT AND DRUG SOLUTION DOSING SYSTEM |
| WO/1986/000519 | DRUG INTERMITTENT RELEASE DEVICE |
| JPH09507151A | 1997-07-22 |
| US5216898A | 1993-06-08 | |||
| US4721508A | 1988-01-26 |
Yasushi Ohata
Tadataka Omori