Nasal cavity implant and application thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- PUYI (SHANGHAI) BIOTECHNOLOGY CO LTD
- Publication Date
- 2019-12-10
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention belongs to the field of medical equipment, and relates to a nasal cavity implant and its application. Background technique
[0002] The main clinical manifestation of allergic rhinitis is sneezing, with paroxysmal attacks several times a day, each time more than 3. There are foreign articles reporting that the general airflow velocity of a sneeze is 150 km / h, which is 41.7 m / s. The foam is sprayed three or four meters away, which is almost close to the central wind force of a 15-level typhoon. The general way of administration is nasal cavity or nasal passage administration, but this way of administration will be excreted together when sneezing or runny nose, so no good therapeutic effect can be achieved.
[0003] CN101574507B discloses a nasal drug delivery system for treating headaches, including a nasal inhaler and a pharmaceutical composition, the nasal inhaler includes an elastic support and a drug-loading member arranged at the end...