Title:
PHARMACEUTICAL PREPARATION, SYSTEM COMPRISING SAME, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/211787
Kind Code:
A1
Abstract:
A pharmaceutical preparation, a system comprising same, a preparation method therefor and an application thereof. The pharmaceutical preparation comprises water and a local anesthetic; the local anesthetic in the pharmaceutical preparation comprises a dissolved and an undissolved local anesthetic; the mass percentage of the local anesthetic in the pharmaceutical preparation is more than 2%, and the mass percentage of the dissolved local anesthetic in the pharmaceutical preparation is less than 1%; the local anesthetic can be lidocaine, tetracaine, bupivacaine, articaine, cinchocaine, dibucaine, etidocaine, levobupivacaine, methacaine, prilocaine, ropivacaine, trimacaine, benzocaine, or procaine; and the sum of the mass percentages of the components in the pharmaceutical preparation is 100%. The system comprises a cover film containing a mesh adhesive layer, a barrier film and an adhesion layer. In many analgesic applications, the described system can achieve 6, 12, 18, 24, 36, or even 48 hours or longer of continuous analgesia.
Inventors:
ZHANG JIE (CN)
TANG PEIKE (CN)
TANG PEIKE (CN)
Application Number:
PCT/CN2020/084970
Publication Date:
October 22, 2020
Filing Date:
April 15, 2020
Export Citation:
Assignee:
HUZHOU INNOVATION PHARMACEUTICAL CO LTD (CN)
International Classes:
A61K9/06; A61K31/245; A61K47/36; A61P23/02
Foreign References:
| CN104825386A | 2015-08-12 | |||
| CN106109444A | 2016-11-16 | |||
| CN101658692A | 2010-03-03 | |||
| CN102018696A | 2011-04-20 | |||
| CN105903068A | 2016-08-31 | |||
| CN102198126A | 2011-09-28 |
Attorney, Agent or Firm:
SHANGHAI BESHINING LAW OFFICE (CN)
Download PDF:
Previous Patent: MICROENCAPSULATION METHOD FOR IMPROVING STABILITY OF ANTHOCYANIN, PRODUCT THEREFROM AND USE THEREOF
Next Patent: COMPRESSOR
Next Patent: COMPRESSOR