Izinkinga Ezizokuthuluzwa Ngokusebenzisa Amaphathi Ama-Radiofrequency

Ukuphatha Okuphelele Kwemithambo: Ukunciphisa Ukusuka Kwemithambo Kwezinye Iinkonzo Nezinto Ezizingenakho Zokubetha

Ukuphatha Kwemithambo Kwe-RF Nokuthi Yintoni Ukuqiniseka Kwemithambo Kwezinto Zokubetha

Amandla e-radiofrequency (RF) akhiqiza ukushisa ngokuvuselela ama-ion ngaphakathi kwezicubu hhayi ngokushisa ngqo kwe-electrode. Ubukhulu bendawo yamanje bukhulu kakhulu esicongweni senaliti, lapho indawo encane igxila khona amandla futhi idale umehluko omkhulu wokushisa. I-needle geometry iyisisekelo sobunjiniyela sokulawula lokhu kwehla: amaphuzu acinene noma abukhali agxila emfudlaneni endaweni eminyene, kuyilapho izindawo ezinkulu zendawo ziwuhlakaza, zinciphise izinga lokushisa eliphakeme. Izicubu ezakhelene nazo zenza umsebenzi wokumelana nokushisa, ziguqula amandla kagesi abe amandla okushisa lapho kudingeka khona. Ukugqwala kwe-shaft kuqhubeka kuvimbela amandla ukuba angene emaphethelweni, kuvimbele ukusabalala kwe-lateral ku-dermis namafutha angaphansi kwesikhumba. Lokhu kuvinjelwa okuhlosiwe kuqinisekisa ukuthi ukulimala okushisayo kuhlala ngaphakathi kweplanethi ye-anatomical ehlosiwe kuvikela izinzwa, izindlala nemithambo yegazi. Nakuba ukunganakwa kwezicubu nokuqhuba ukushisa kunethonya ekwakhekeni kwesilonda, ukwakheka kwendwayimane kuseyinto elawulwayo kakhulu yokufeza ukopha okuphindaphindwayo, okuvinjelwe. Ngokulinganisa ubude be-electrode, ububanzi, nokuhlukanisa nokujula kokwelashwa, odokotela banciphisa ukusabalala kwecala futhi bavikele izakhiwo ezizungezile - okuyisidingo esiyisisekelo sokulungiswa kwesikhumba okuphephile nokusebenzayo.

Amathuba okukhupha isikhathi esihlukene nokufaka amasimbi: Iziphakade zokubonisa ukuthi kunciphisa ukungena kwemithubi yompho futhi ukuthi kunciphisa ukuthi kwenziwe izibhobho

Izinaliti ze-RF ezipholile zisebenzisa ukujikeleza kwamanzi kwangaphakathi ukwehlisa izinga lokushisa kwe-electrodetissue interface, kuvimbele ukubola kanye ne-carbonation ngenkathi kuvumela ukungena okujulile, okufana nokunye kokushisa. Ama-electrode okuphonsa athola imiphumela efanayo ngokufaka uketshezi lwe-saline entanjeni ukuze kuthuthukiswe ukugeleza kwendawo futhi kunikezwe ukupholisa okusebenzayo. Zombili lezi zindlela zigcina izinga lokushisa kwezicubu ezinamafutha lingaphansi komkhawulo wokulimala kwama-adipocyte okungenakulungisekakunciphisa ingozi yokufa kwamafutha. Ubufakazi be-histological bubonisa ukuthi ukwakheka kwe-cooled-tip kuveza izindawo ezihlukaniswe ngokucacile zokugqwala ngesikhumba esincane futhi kunciphisa kakhulu ukuhlanzeka kwamangqamuzana amafutha kunezinduku ezijwayelekile ze-monopolar. Ngokwezokwelapha, lokhu kusho ukuthi ama-nodule ambalwa abonakalayo, amazinga aphansi okuvela kwamabala ane-hypertrophic, nesikhathi esifushane se-erythema ngemva kokwelashwa. Ukupholisa okulawulwayo kuvumela nokukhishwa kwamandla aphezulu okufaka i-collagen eqinile ngaphandle kokuphazamisa ukuphepha. Ngokunciphisa ukushisa okubangela ukubola nokubola kwamafutha okungahlosiwe, lezi zinhlelo eziphambili zama-electrode zenza ukufakwa kwama-microneedling ku-RF kubonakale kusengaphambili futhi kube lula ukubhekana nakho kuzo zonke izinhlobo zesikhumba.

Ukudala Kwemibono Efanayo: Ukuphula Umphumela Wokugcina Kwezinkambo Nezinkambo Zokufa Ngamaphathi Okusiza Kwemithambo Yokuqonda

Ukubala Umphumela Wokugcina Kwezinkambo Zokuzisa Nezindlela Zokuhlela Amaphathi Amanye Amathathu

Umphumela wokushisa lapho ukugeleza kwegazi okuseduze kususa amandla okushisauyisithiyo esikhulu ekwakhekeni kokulimala okufanayo. Ucwaningo lubonisa ukuthi ngisho nokugeleza okulinganiselwe emithonjeni emincane njengo-3 mm kunganciphisa ivolumu yokuhlanza ngo-30%-50% (Ahmed and Goldberg, 2011). Lokhu kupholisa okubangelwa ukufudumala komzimba kuholela ekulimaleni okungavamile, izifo ezisele eduze kwemithambo, nokuvela kabusha kwendawo okuphezulu. Izinaliti ze-RF ezinama-tin amaningi ziyanqoba lokhu ngokusebenzisa ama-electrode amaningi akhiqiza izinkambu zokukhipha eziwela phezu. Lezi zindlela eziningi zamanje zakha indawo ebanzi, enamandla kakhulu yokushisa ekwazi ukuhlanganisa izitsha futhi imelane nokulahleka kokushisa okubangelwa ukufudumala. Ama-algorithm alawulwa ukushisa ahlanganiswe nama-multi-tined array agcina amazinga okushisa afanele isikhathi eside, okwenza kube lula ukupholile. Ezimodeleni ze-ex-vivo ne-in-vivo, lezi zinhlelo zandisa ivolumu yokuhlanza eduze kwezitha ezifaniswayo ngo-3542% uma kuqhathaniswa nokulungiswa kwe-electrode eyodwa (Goldberg et al., 2000). Lolu hlelo lugcina i-geometry yesifo esihlosiwengisho nasezicubu ezinemithambo eminingingokuthuthukisa imiphumela ye-oncological ngokuqondile.

Ukufumana ubukhulu besithelo esibonakalayo: Izikhumba zesikhumba sezinkampani zokuphatha izikhumba noma izikhumba zokuphatha izikhumba kusindimela semuntu

Ukubala kwesilinganiso sokugcina isilwane kuyisisekelo sokugcina isilwane ngokuphelele futhi ukunciphisa ukuthwasa kwezinye izinto. Amaphathi we-RF angaphakathi amabili akhuthaza iziqu zokugcina ezihlakazini nezinkulu ngokungafanele ngokuthi umoya wawo udlula ngokuphakathi futhi ukuthi isilwane sikhala kancane kusukela emva kokuthwasa kwakho. Ngaphandle kwalokho, amaphathi amaningi amathathu ayisebenza ngokuthi amandla ahlakazini aphakathi kwezinye aphakathi kwezinye ukuze abe nesiqu esikhulu kanye nesilinganiso esihlakazini. Umsebenzi wokulinganisa emithweni yabantu wabonisa ukuthi amaphathi amaningi amathathu abe nesilinganiso sokugcina se-4.2 cm ± 0.3 cm, ngaphandle kwe-2.8 cm ± 0.4 cm kwezinye izithombe zokugcina ngokusebenza ngamandla amafanayo (Goldberg et al., 2000). Isilinganiso sesihlakazini siyisisekelo kakhulu kuma-silwane angafanele futhi kuma-silwane okwenzeka ngaphakathi kwezinye izinyango, ukunciphisa ukuthi kufanele kwenziwe iziqu zokugcina eziningi. Ngaphezu kwalokho, iziqephu zamaphathi amaningi amathathu zisiza ekubhaleni ngokushesha kwezinkinga zokugcina futhi ukuthi amandla ayishintshelwe ngokushesha—ukunqoba ukuthi isilwane sibaleka futhi ukuthi isiqu sokugcina sishintshelwe ngokushesha. Lokhu kubusa ukuthi kuzofanele kwenziwe iziqu eziningi zokugcina futhi ukuthi kubhekwe ngokuphelele ukuthi isilwane sifanele, kubeka amaphathi amaningi amathathu we-RF njengesiqu esihloniphekileyo sokugcina ngokuphelele kweziqu zokugcina emsebenzini wokugcina.

Ukuvutha Isigaba Sembuzo Nokusebenza Kwezindlela Zokusebenzisa I-Microneedling Yase-Radiofrequency

Ukunciphisa Amaburn, amaschara, nokugcina kwezinyawo ngokusebenzisa ukubika kwempendansi nokubika kwesikhathi sokuhlala esifanayo

Ukubhala kwe-RF kuhlanganisa ukugcina kwemithombo yezinto ezingaphansi ne-thermal energy eyatholakala ukuze kwenziwe ukuguqula kwe-collagen—kepha ukuthi ukuthumela okungafanele kunceda ukukhwehla, ukuthi kwenziwe izibhambo, nokuthi kufanele kubhekwe izinyawo zokuziphatha. Izikhali zase-RF zama zihlanganise impendulo yezimpendulo zokubheka ngokujwayelekileyo, zibheka ngokujwayelekileyo ubukhulu bekho emthwakathini. Njengoba ubukhulu buya kuvaleka ngokuphatha kwe-desiccation noma kwe-coagulation, isistimu sibeka phansi amandla ngokuzenzakalelayo—ukunqoba ukuthi kuyenza kakhulu kwe-heat. Lokhu kucatshangwa kwezimpilo kunceda kakhulu ukunciphisa isivumelwano sokukhwehla ngokwe-thermal. Kuhlanganiswa nezinhlelo zokusebenza ezifundiswe—izinsuku zokusebenza kwe-energy ezifundiswe ngokuphakathi kwezindawo zokubhala—lokhu kunceda ukuthi kwenziwe ukuthi kubhekwe ngokujwayelekileyo ngaphandle kokuthi kwenziwe kakhulu. Idata yezempilo ibonisa ukuthi ukulangana kwe-impumelelo yokubheka ngokujwayelekileyo nezinsuku zokusebenza ezifundiswe kunciphisa ukuthi kwenziwe kakhulu kwe-erythema nokukhwehla ngaphezu kwe-40% kulokho okwenziwa ngokusebenzisa i-energy ngokushintsha ngokwesibonelo ngaphandle kokusebenzisa izinhlelo. Lezi zinhlelo zihlanganisa futhi ukunciphisa ukuthi kufanele kubhekwe izinyawo zokuziphatha ngokuthi kunciphiswe ukuthi kuthumelwe i-energy eziphakathi kwezinyawo ezinamandla. Ukuthumela kunciphisa izinsuku zokusebenza, kunciphisa ukuthi kubhekwe ngokujwayelekileyo ngokushintsha ngokwesibonelo, futhi kunciphisa ukuthi kubhekwe ngokujwayelekileyo ngokwesibonelo. Ukuthumela lezi zinhlelo zokucatshanga kunceda ukuthi kwenziwe ngokuchanekileyo, kunceda ukuthi kwenziwe ngokujwayelekileyo—kunceda ukuthi kubhekwe ngokuchanekileyo kwezintfombi, kunceda ukuthi kubhekwe ngokujwayelekileyo, futhi kunceda ukuthi kubhekwe ngokujwayelekileyo kwe-RF microneedling kwezinhlelo zokuziphatha.

Ukuthuthukisa Ukusebenzisa: Ukuzinikela Imibono Yezimboni, I-Platform, Nokuthuthukisa Kwezimali Okungahlinzeki Kukusetshenziswa Kwamaphathi Ama-Radiofrequency

Imizuzu Yokuvumela Kwe-FDA Nokubhekana Nezinkinga Zokudesign Okungahlinzeki Kwamaphathi Ama-Radiofrequency Ogenzayo

Ukuhlanganiswa kwezinkampani zokuphatha izinkinga zokusebenza kwe-RF kusuka kumlando we-510(k), okudinga ukubonisa ukuthi kunezinto ezifanayo kakhulu nezinto zezinkinga zokusebenza ezingaphambili—lobudlelwano obuyisela iminyaka eyisithupha ku-12. Ukuguqula ngokuphinda-phinda ukuthi kwenziwe izinhlobo zezinkinga—njengokugcina amasiko amasha emazibuko noma ukuthintana kahle kwemiphakathi yezihlangothi—kungabangela ukuthi kuzofakwa izikhathi eziningi zokuhlola, okunquma isikhathi sokufika kumakethe ngeminyaka emine ku-6 ngalokho lokugcina. Lokhu kwenza ukuthi kubhekwe njengesikhathi esingavumelekile: abasebenzi bafuna ukuthi bahlale bafaka izinhlobo zabo kusukela kusasa ukuze bafakwe, nakuba kunezindlela zokusebenza ezimusha ezingadinga ukuthintana kahle. Isiphumo sibhekwe njengesiphumo esisodwa phakathi kwezinhlobo ezivumekile nezinhlobo zezikhathi ezizayo zezikhathi zokusebenza ezinamandla. Ukubheka kusasa kwe-FDA nokusetshenziswa kakhulu kwezinhlobo zokuvumela ngokuhlanganisa—ngokuphelele kwezinhlobo zokubeka iziqephu zokuthintana kahle—kungathintana kahle ukuncitshwa kwezinkinga zokuphatha, kodwa ukusetshenziswa kwezinhlobo zokwenza ngokuphambili kwezindustria kungavumelekile.

Izinkinga zokuthintana kwezinhlobo zokusebenza nezimpacto zazo kumkhakha wokufinyelela kwezizwe zonke nokuthintana kwezimali

Izikhali zesikhathi se-RF zingasemthandweni kakhulu; zidinga ukugxilwa kwezinhlangano zokugenera nezinhlangano zokuhlola impedansi. Izihlakulo zesikhathi nezinhlangano zezinkampani zisindisa amaphoyinti okusebenza emkhakheni wokuphatha izinhlangano zonke, futhi ziyabuyisa izindlela zokuthengisa ngokuphelele ngo-30–50% kulokho okubonakala kuzinhlangano eziphathelene ngezinhlangano ezingenakho isikhundla. Lokhu kusindisa ukufinyelela kwezinhlangano zasezulwini—kungakhathalelwa kakhulu emazwe aphathelene nokuthengiswa kwezinhlangano ezihlukene, lapho ukubuyisa izinhlangano ezengeziwe ziyisibopho sokuthengisa. Nangalokho kuzinhlangano eziphathelene, izibuyekezo zesoftweyare noma izigcino zemifanekiso yezinhlangano zingahlinzeka ukuthumela imisebenzi yomthelela, futhi ziyabuyisa izinkinga zokuphepha. Ukuvumela ukuthi izinhlangano zokuxhumana zibe yisibonelo futhi ukuthatha izinhlangano zezikhali zokusebenza zokuphathelene ngezinhlangano zonke zingavumela ukuthenga iziphakathi zokusebenza ngokwesibonelo, ukuncamnisa izindlela zokuthengisa ngosuku ngosuku, futhi ukuthuthukisa ukuthengiswa. Uma akukho lokhu kufanele kubhekwe ngokuphelele, izinhlangano zokusebenza zezikhali zesikhathi se-RF zizoba zihlukene kwezinhlangano eziphathelene nokuthengiswa kwezinhlangano zonke—kuyabuyisa izinkinga zokuphathelene nokuthengiswa kwezinhlangano zonke futhi kuyabuyisa ukuthengiswa kwezinhlangano zonke.

Imibuzo Evame Ukubuzwa

Ubudlelwano bephakathi kwezinhlangano zokuthumela umthelela we-RF?

Umphumela wokushisa ubhekisela esimweni lapho ukugeleza kwegazi eliseduze kususa amandla okushisa, kunciphise ukusebenza nokufana kokwakheka kwesilonda.

Izinaliti ze-RF ezipholisiwe nezingena ngamanzi zithuthukisa kanjani imiphumela yokwelashwa?

Izinaliti ezipholisiwe zisebenzisa uketshezi lwangaphakathi ukuze kwehliswe izinga lokushisa kwezicubu, kuyilapho izinaliti zokuphefumulela zifaka uketshezi lwe-saline ukuze kuphole futhi kuthuthukiswe ukugeleza. Zombili lezi zindlela zinciphisa ukubola kwamafutha, izibazi, futhi zenza kube nokungena okujulile.

Kungani izintshi ze-RF ezinama-multi-tined zithandwa ngaphezu kwezikhombisi-ndlela ezinesigxobo esisodwa?

Izinaliti ze-RF ezinama-tin amaningi zikhiqiza izilonda ezinkulu, eziyindilinga ngenxa yezindawo zokukhipha eziwela phezu. Zifaneleka kangcono ezimphumulweni ezingalingani nezindawo eziseduze kwezakhiwo zemithambo yegazi, ziqinisekisa ukwakheka kwezilonda okuqhubekayo.

Amadivayisi e-RF agcina kanjani ukushiswa nezibazi?

Amadivayisi anamuhla e-RF asebenzisa ukubuyekeza kwe-impedance ngesikhathi sangempela nezikhathi ezijwayelekile zokuhlala ukuze avimbele ukwakheka kokushisa okungalawulwa, kunciphise ingozi yokushiswa, izibazi nokulimala kwemizwa.

Izinkinga zokuhlonipha zizokuthintana njani nokusebenzisa kwe-technology yamaphakathi we-RF?

Amadelayi okuhlonipha kwezinkinga, njengoko kubhekwa kwezindlela zokuguqula ukudesigna, ziyakwenzela ukuthi izikhathi zokufika kumarket ezigcwele kwezikhathi zokuphatha amaphakathi we-RF. Amaphakathi okuphathelana ngaphambi kokuthunywa nokuvumela kwezindlela zokuvumela kuzokuthuthukisa inkimbinkimbi yokuhlonipha.