Teepu nrapado dị elu nke PTFE ahụike-ọkwa ahụike - ndakọrịta na ngwa ngwa.

N'ichepụta ngwaọrụ ahụike, akụrụngwa igba ogwu, na mkpuchi ngwa ịwa ahụ, PTFE teepu nrapado na-arụ ọrụ dị oke egwu. Mana mgbe teepu ahụ kpọtụrụ ndị ọrịa ma ọ bụ gburugburu ebe na-adịghị mma, otu ajụjụ ga-abụ nke kacha mkpa: ọ dị mma?

teepu PTFE ọkwa ahụike ga-enwerịrị ụkpụrụ ndakọrịta bioceti siri ike. Ngwakọta PTFE n'onwe ya bụ ihe na-adịghị mma, mana nrapado, mkpuchi primer, na ọnọdụ nhazi niile na-emetụta nchekwa zuru oke.

Aokai PTFE na-enye teepu PTFE ọkwa ahụike yana akwụkwọ ISO 10993 zuru oke. Ntuziaka a na-ekpuchi arụmọrụ biocompatibility, ịkpachara anya ngwa, yana ihe nchekwa dị oke mkpa.

Arụmọrụ Biocompatibility – Ntọala nchekwa nchekwa ọkwa ahụike

1. PTFE mkpụrụ - ihe na-adaba na ya

PTFE na-egosipụta kemịkalụ kemịkalụ pụrụiche, na-anaghị emeghachi omume na ihe ọ bụla yana iguzogide mbibi. Ọ na-ebupụta ihe mgbochi nrapado na obere esemokwu esemokwu dị ala, na-anọgide na-enweghị ike imegide anụ ahụ na mmiri mmiri na-enweghị ịkpalite mmeghachi omume jụrụ. Ọ nọ n'ọkwa n'etiti polymers nwere ihe kacha mara amara nke biocompatibility ruo taa.

2. Medical-ọkwa silicone nrapado - platinum-gwọọ

Silikone ahụike gwọọ Platinum enweghị ngwaahịa ire ere peroxide ma na-etu ọnụ na ndakọrịta ihe dị elu karịa. A na-etinye ya n'ọtụtụ ebe na mgbakwasa ọnya, mpe mpe mpe akwa, na ndozi ngwaọrụ ahụike. Enweghị ihe ndị na-eme ihe na-emerụ ahụ na-eme ka ọ dị mma maka kọntaktị anụ ahụ ogologo oge.

3. N'ozuzu keukwu arụmọrụ

Teepu PTFE ọkwa ahụike tozuru etozu anaghị eme ka ọ pụta ìhè, mgbakasị ahụ anụ ahụ, ma ọ bụ cytotoxicity n'okpuru ọnọdụ okpomọkụ na-arụ ọrụ nke ọma, ọ nweghịkwa ihe dị ize ndụ. Ọ nwere ike iguzogide sterilization dị elu ugboro ugboro na-enweghị mmebi nke biocompatibility ya.

Ịdọ aka ná ntị dị mkpa: Nhọrọ na-ezighị ezi nke nrapado/primer mkpuchi, ma ọ bụ mgbakwunye nke ihe mgbakwunye na-emerụ ahụ n'oge nhazi PTFE, ga-emebi n'ụzọ dị ukwuu biocompatibility. Ọ bụghị teepu PTFE niile akpọrọ 'oke okpomọkụ' adịghị mma maka ahụike - jiri akwụkwọ nyochaa mgbe niile.

Mkpachapụ anya dị mkpa maka ngwa

1. Dabere nke ọma n'usoro eji eme ihe

Kwenye saịtị kọntaktị echere (naanị akpụkpọ ahụ adịghị emebi emebi, kọntaktị mucosal/ọbara na-apụtaghị ìhè, ma ọ bụ ntinye) yana oge kọntaktị (obere oge, ogologo oge, ma ọ bụ mkpughe na-adịgide adịgide). Ikike nchekwa bụ ihe efu ma ọ bụrụ na ejiri ya gafere oke ule akwadoro.

Aokai PTFE maka akpụkpọ ahụ adịghị emebi emebi na kọntaktị obere oge (≤24 awa). Ekwenyere teepu ọgwụ Maka ngwa ndị ọzọ, kpọtụrụ onye nrụpụta.

2. Agafela oke nguzogide okpomọkụ

PTFE elu-okpomọkụ teepu na-akwado na-aga n'ihu ọrụ okpomọkụ ruo 260°C . Okpomọkụ gafere 300°C nwere ike ịkpalite ndakpọ PTFE, na-ahapụ gas na-egbu egbu nke ukwuu gụnyere hydrogen fluoride na perfluoroisobutylene.

Akpachara anya pụrụ iche: N'ime ngwa ahụike dịka laser scalpels na ngalaba eletrọnịkị, oke ọkụ n'ime mpaghara nwere ike ime. Ọbụna ma ọ bụrụ na nkezi okpomọkụ dị n'ime oke, ntụpọ ọkụ nwere ike gafere 300 ° C. Na-arụ ọrụ nke ọma dabere na oke okpomọkụ nke ndị na-ebubata ya na-enye wee nyochaa okpomọkụ dị n'elu.

Ụzọ ịgba ọgwụ mgbochi ọrịa - Soro naanị usoro akwadoro

Ọtụtụ teepu ọkwa ahụike dakọtara na ọtụtụ ụzọ igba ogwu, mana nke ọ bụla nwere ihe a chọrọ.

1. Ngwọta uzuoku siri ike dị elu (121–134°C)

• Dakọtara: Ee (ọtụtụ akara ule)

• Usoro: 15-30 nkeji

• Mara: okirikiri ugboro ugboro nwere ike jiri nwayọ belata ike nrapado. Jiri onye nrụpụta kwado ọnụọgụ okirikiri.

2. Ethylene oxide (EO) igba ogwu

• Dakọtara: Ee

• Ihe dị mkpa achọrọ: Mepụta ikuku zuru oke iji kpochapụ ethylene oxide fọdụrụnụ na ihe ndị na-egbu egbu (ethylene chlorohydrin, ethylene glycol)

• Oge ikuku: Oge 7-14 dabere na okpomọkụ na ihe onwunwe

3. Gamma ray irradiation

• Dakọtara: Oke – mkpachapụ anya pụrụ iche achọrọ

• Isi nkwuba:

  • Gamma irradiation nwere ike mebie agbụ molekụla PTFE, na-ebute mgbakasị ahụ

  • Nwere ike ịgbanwe njupụta silicone crosslinking density, na-akpata delamination nke ntachi obi

  • Usoro onunu ogwu kacha ≤25kGy (kwenye na onye nrụpụta)

  • Ọnụọgụ dị elu nwere ike ime ka teepu ahụ kewaa ma ghara iji ya mee ihe

Nkwanye Aokai PTFE: Maka ngwa chọrọ igba ogwu gamma, rịọ data nkwado akọwapụtara. Anyị na-enye akara ule gamma kwụsiri ike yana nnabata dose edebere.

Nyochaa nchekwa nke nrapado na mkpuchi mbụ

Ụfọdụ teepu na-eji ihe mkpuchi acrylic ma ọ bụ ihe mkpuchi nke nwere ihe mgbaze organic. Kwenye na oyi akwa nrapado na-ezute ụkpụrụ ahụike, enweghị:

• Monomers mgbakasị ahụ fọdụrụ

• Plasticizers (dịka ọmụmaatụ, phthalates)

• Ọla dị arọ

Akwụkwọ achọrọ:

• Nkwupụta iwu sitere n'aka onye na-ebubata ya na-egosi enweghị BPA, latex, na phthalates

• Nkwupụta ihe mejupụtara ihe

• Nnwale data enwere ike wepụ na leachable

Zere kọntaktị na-adịgide adịgide na ọgwụ ọgwụ, Acid siri ike, na Alkalis

Ọ bụ ezie na PTFE na-anya isi nguzogide kemịkalụ pụtara ìhè, imikpu ogologo oge na ụfọdụ ihe mgbaze organic ma ọ bụ ndị na-ebu ọgwụ nwere ike ime:

• Ọzịza ihe

• Ọdịda nrapado (delamination)

• Ihe fọdụrụ n'ahụ ndị mba ọzọ

Ihe omume: Mee nyocha ndakọrịta kemịkalụ mgbe ị na-emepụta tubing, arịa nchekwa, ma ọ bụ ngwaọrụ ụzọ mmiri.

Ọgwụgwọ dị n'elu njikwa na mkpofu urughuru

N'ebe a na-ahụ maka ahụike na-adịghị ọcha, mkpofu urughuru bụ ihe dị oke mkpa.

• Gbochie ncha: Ejila ngwa dị nkọ ijikwa teepu tupu eji ya - ncha nwere ike iwepụta irighiri ihe ma mepụta saịtị mmetọ.

• Wedata irighiri ihe: Mgbe ị na-egbutu teepu, jiri mkpa dị ọcha ma ọ bụ ihe ncha akpaaka. Zenarị ịdọkasị aka.

• Maka usoro ntinye aka: Họrọ ngwaahịa nwere akụkụ na-enweghị uzuzu ejiri akara yana ihe na-apụ apụ dị ala.

• Nhicha ngwa ngwa: Jiri akwa na-enweghị lint hichaa elu ya na mmanya isopropyl iji wepụ ihe mmetọ tupu etinye ya.

Rịọ akwụkwọ nrube isi zuru oke - Gafere akụkọ nnwale

Akuko nnwale bioocompatibility naanị ya ezughi oke. Aokai PTFE na-atụ aro inye ndị na-ebubata ya iwu inye:

Aokai PTFE na-enye ngwungwu akwụkwọ zuru oke yana mbupu teepu ọkwa ahụike niile. Anyị nwekwara ike iji faịlụ teknụzụ zuru ezu kwado nrube iwu.

Nchịkọta – Ndepụta nhọrọ teepu PTFE ahụike-ọkwa

Aokai PTFE na-enye teepu PTFE ọkwa ahụike yana akwụkwọ ISO 10993 zuru oke yana nkwado nkwado ọmụmụ. Kpọtụrụ anyị maka faịlụ teknuzu na arịrịọ nlele.

Enyere akwụkwọ teknụzụ a Ụgwọ nke ụlọ ọrụ Jiangsu Aokai New Materials Technology Co., Ltd.

Ọ bụrụ na ị chọrọ nkọwa zuru ezu, ngwa ngwa na ngwọta ahaziri maka ngwaahịa anyị zuru ezu gụnyere akwa akwa PTFE dị elu, teepu ahụike PTFE dị elu, eriri akwa PTFE dị elu, eriri laminator na-enweghị nkebi, akwa PTFE nwere otu akụkụ, akwa mkpuchi na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ, biko kpọtụrụ anyị site na eriri glaze na-eguzogide.

• Maazị Guo: +86 18944819998

• Maazị Liu: +86 13705266308

Anyị na-agbaso ụkpụrụ nke ọkachamara na iguzosi ike n'ezi ihe, raara onwe ya nye inye ndị ahịa ihe ngwọta ihe ahaziri ahazi na-eche echiche na nkwado ọrụ zuru oke.