Intracavitary stent for medical chemotherapy
An internal stent and cavity technology, applied in the field of medical devices, can solve the problems of ineffective treatment, life-threatening, easy perforation, etc., and achieve the effects of improving the local control rate, prolonging the survival period, and reducing pain.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0029] Embodiment 1: as figure 1 As shown, a medical chemotherapy intracavity stent includes a stent main body 1, 36 chemotherapeutic drugs 2 are fixedly arranged on the outer wall of the stent main body 1, the chemotherapeutic drugs 2 are bound on the stent main body 1, and the gap between the chemotherapeutic drugs 2 is 1.5-2.5 cm; chemotherapy drug 2 is mitomycin C microspheres, or cisplatin microspheres, or doxorubicin microspheres, or 5-fluorouracil microspheres, or camptothecin microspheres, or methotrexate Any one of erythromycin microspheres, or daunorubicin microspheres, or javanica javanica oil microcapsules, or epinephrine gel, or carboplatin, or carmustine (BCNU), or paclitaxel, or doxorubicin.
[0030] The advantage of this embodiment is that the chemotherapeutic drug 2 can be placed into the tumor lesion at one time through the stent main body 1 . Not only solve the problem of obstruction, but also inhibit the further development of tumors.
[0031] The chemoth...
Embodiment 2
[0036] Embodiment 2: as figure 2 , image 3 and Figure 4 As shown, a medical chemotherapy intracavity stent includes a stent main body 1, 36 chemotherapeutic drugs 2 are fixedly arranged on the outer wall of the stent main body 1, and the chemotherapeutic drugs 2 are placed in a spherical drug compartment 3, and the drug compartment 3 The gap is 1.5 to 2.5 centimeters; the drug storehouse 3 is fixed on the outer wall of the bracket body 1, and the drug release port 4 is arranged on the outer wall of the spherical drug storehouse 3, and the drug release port 4 faces the outside of the bracket body 1.
[0037] Chemotherapy drug 2 is mitomycin C microspheres, or cisplatin microspheres, or doxorubicin microspheres, or 5-fluorouracil microspheres, or camptothecin microspheres, or methotrexate microspheres, or Any one of daunorubicin microspheres, or Brucea javanica oil microcapsules, or epinephrine gel, or carboplatin, or carmustine (BCNU), or paclitaxel, or doxorubicin.
[00...
Embodiment 3
[0049] Embodiment 3: as Figure 5 , Figure 6 and Figure 7 As shown, a medical chemotherapy intracavity stent includes a stent main body 1, 36 chemotherapeutic drugs 2 are fixedly arranged on the outer wall of the stent main body 1, and the chemotherapeutic drugs 2 are placed in a medicine bag 5 with an open end. The gap is 1.5-2.5 cm; the medicine bag 5 is provided with a binding rope 6, and the medicine bag 5 is bound to the outer wall of the bracket main body 1 through the binding rope 6.
[0050] Medicine bag 5 is made of bioabsorbable fiber, such as polylactic acid (PDLLA, PLLA, PLA) material, or polyglutamic acid (polyglutamic acid PGA), or polylactic acid-glycolic acid copolymer (PLGA), or polydioxane Ketone (PPDO), or polyether / polyester (PELA) copolymer, or polycaprolactone and copolymer (PLCA), or polyglycolide (PGA), or polyamino acid, or poly-β-hydroxybutyric acid (poly-β-hydroxybutyrate, PHB) material, or chitin fiber, or collagen fiber, or alginate fiber, or ...
PUM
Property | Measurement | Unit |
---|---|---|
porosity | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com