Medical device ịkụ akara ịkụ akara ígwè na-emepụta ihe ndị e mere nke ọma maka ngwa ịwa ahụ, ngwaọrụ ndị a na-akụnye, akụrụngwa nchọpụta, na usoro nnyefe ọgwụ - ngwa ebe ntụgharị akụkụ nke 0.01 mm nwere ike ịpụta ọdịiche dị n'etiti ngwaọrụ ahụ na-aga nke ọma. N'adịghị ka mmepụta n'ozuzu, stampụ ọgwụ ga-egbo mkpa bioacompatibility, nyocha usoro iwu sitere na FDA na ndị a mara ọkwa, yana ụkpụrụ akwụkwọ nke na-achọpụta akụkụ ọ bụla laghachi azụ n'ọtụtụ okpomọkụ akụrụngwa ya.
Ntuziaka a na-ekpuchi ihe ndị ahụ, usoro nhazi, atụmanya ndidi, ihe ndị chọrọ ime ụlọ dị ọcha, na ọrụ traceability nke na-akọwa stampụ ngwaọrụ ahụike. Ma ị bụ onye injinia na-emepụta ngwá ọrụ ịwa ahụ ọhụrụ ma ọ bụ onye njikwa ịzụ ahịa na-eru eru maka ndị na-ebubata stampụ, ntụaka a na-enye ntọala teknụzụ ị chọrọ.
Gịnị bụ ịkụ akara ngwaọrụ ahụike?
Medical Device ịkụ akara ígwè bụ usoro nhazi nkenke nke na-agbanwe metal mpempe akwụkwọ na-ekwekọ ka ọ bụrụ akụrụngwa maka ngwa ahụike, ngwaọrụ nwere ike ịkụnye, na akụrụngwa nyocha site na iji anwụ na-aga n'ihu, na-ebufe ezigbo ihe. Ọ na-achọ ISO 13485 sistemu ịdị mma nke asambodo, usoro akwadoro, nnabata sub-0.01 mm na njirimara dị oke egwu yana nchọta ihe zuru oke site na akwụkwọ igwe nri ruo akụkụ agwụla.
Ụlọ ọrụ dị ka Metal Stamping Parts Ltd na-edobe akụrụngwa ime ụlọ dị ọcha, asambodo usoro, yana ike nkwado usoro achọrọ iji wepụta ihe akara akara ọkwa ahụike.
Medical ịkụ akara Materials: Biocompatibility and Performance
Nhọrọ ihe eji eme ihe na stampụ ọgwụ na-ebu ụzọ bute ya site na bioacompatibility - ihe ahụ agaghị ebute mmeghachi omume nsi, immunogen ma ọ bụ carcinogenic mgbe ọ na-akpakọrịta anụ ahụ ma ọ bụ mmiri mmiri. Tebụlụ dị n'okpuru na-atụnyere alloys ịkụ akara ọkwa ọgwụ a na-ejikarị eme ihe.
| Alloy | Nhazi | Ike Tensile (MPa) | Biocompatibility (ISO 10993) | MRI ndakọrịta | Ngwa ahụike nkịtị |
|---|---|---|---|---|---|
| Igwe anaghị agba nchara 316L | ASTM F138, ASTM F139, AISI 316LVM | 480–620 | magburu onwe ya - ogologo akụkọ ihe mere eme nke eji etinye ihe. | Ọnọdụ (ihe arụ ọrụ ferromagnetic enwere ike) | Ngwa ịwa ahụ, efere ọkpụkpụ, staples, oghere agịga |
| Titanium CP Ọkwa 2 / Ọkwa 4 | ASTM F67, ASTM F1581 | 345–550 | magburu onwe ya - osseointegration-friendly | Dakọtara zuru oke (na-abụghị ferromagnetic) | Ihe nkwụnye eze, efere cranial, oghere azụ azụ. |
| Titanium Ti-6Al-4V ELI | ASTM F136, ISO 5832-3 | 860–965 | magburu onwe ya - ọkọlọtọ implant alloy | Dakọtara nke ọma | Nkwụnye orthopedic, nnọchi nkwonkwo, ngwaọrụ ịwa ahụ |
| MP35N | ASTM F562, UNS R30035 | 800–1,100 (ndị agadi) | magburu onwe ya - nickel-cobalt-chromium-molybdenum | Ọnọdụ | Isi iyi a na-akụnye, ngwaọrụ ndozi, ihe ndị na-eme obi |
| Elgiloy (Co-Cr-Ni-Mo) | ASTM F1058, UNS R30003 | 860-1,200 (ndị agadi) | Dị oke mma | Ọnọdụ | Nduzi wires, okpokolo agba stent, orthodontic archwires |
| Nitinol (NiTi) | ASTM F206 | 895–1,100 (austenite) | magburu onwe ya - nnukwu ụlọ ọgwụ akụkọ ihe mere eme | Ọnọdụ | Stents, guidewires, orthodontic archwires, vaskụla nzacha |
| Tantalum | ASTM F560 | 200–400 | magburu onwe ya - bioinert | Dakọtara nke ọma | Nrụzi ntụpọ cranial, akara akara, ụlọ capacitor |
Ntụle ihe isi ihe
- 316LVM (Vacuum Melted) bụ ihe ndabere maka ngwa ịwa ahụ na-enweghị ike ịkụnye na ọtụtụ ngwaọrụ a na-etinye. Usoro ịgbaze oghere na-ebelata ọdịnaya nsonye, na-emezi ndụ ike ọgwụgwụ na nguzogide corrosion. Ọ bụ nhọrọ biockom nke kacha dị ọnụ ahịa maka stampụ olu dị elu.
- Ti-6Al-4V ELI (Extra Low Interstitials) bụ ọkọlọtọ ọla edo maka ntinye orthopedic na-adịgide adịgide. Ọkpụkpụ mgbanwe ya (~ 110 GPa) dị nso na ọkpụkpụ (~ 20 GPa) karịa cobalt alloys (~ 210 GPa), na-ebelata nchebe nrụgide. Otú ọ dị, titanium siri ike stampụ - ọ na-achọ ikpo ọkụ akpụ maka mgbagwoju shapes na-akpata oké tooling eyi.
- MP35N na-agwakọta ahụkebe corrosion eguzogide na elu ike na magburu onwe ike ọgwụgwụ ndụ. Ọ bụ ihe a na-ahọrọ maka isi iyi ndị a na-akụnye na ngwaọrụ ndozi ebe 316L enweghị ike zuru oke. Ọdịnaya nickel ya (35%) chọrọ nleba anya ntule nnabata bioocompatibility kwa ISO 10993.
- Nitinol na-eweta ihe ịma aka stampụ pụrụ iche n'ihi ọdịdị-ncheta ya na njirimara superelastic. A ga-amachibido ya n'oge a na-emepụta ma na-achọ nhazi nhazi nke ọma (ụdị nhazi) na 400-550 Celsius iji hazie geometry achọrọ.
Maka ụlọ na ihe mkpuchi ngwaọrụ ahụike siri ike, omimi eserese stampụ na-enye usoro nhazi nke ọma maka ihe cylindrical na ụdị igbe dị na igwe anaghị agba nchara ma ọ bụ titanium.
Regulatory Compliance: ISO 13485, FDA 21 CFR 820, and CE MDR
Ndị na-ebunye stampụ ngwaọrụ ahụike na-arụ ọrụ n'okpuru usoro nhazi ọtụtụ. Nrube isi abụghị nhọrọ - ọ bụ ihe iwu kwadoro maka ire ere n'ime ahịa ahaziri ahazi.
| Framework | Onye na-enye ikike | Geographic Scope | Isi ihe achọrọ | Audit Frequency |
|---|---|---|---|---|
| ISO 13485:2016 | ISO / onye na-edeba aha enwetara ikike | Gburugburu ụwa (a ghọtara na mba 170+) | Usoro njikwa ogo maka ngwaọrụ ahụike; njikwa imewe, njikwa ihe egwu (ISO 14971), CAPA, njikwa ndị na-eweta ngwaahịa, nkwado usoro, njikwa akwụkwọ | onyunyo kwa afọ; Asambodo afọ 3 |
| FDA 21 CFR Part 820 | Nchịkwa nri na ọgwụ US | United States | Ogo System Regulation (QSR); njikwa imewe, njikwa mmepụta na njikwa usoro, mmezi na mgbochi mgbochi, ịde aha, ndekọ | Nyocha nke afọ abụọ (usoro oge niile); nyocha maka ihe kpatara dịka achọrọ |
| EU MDR 2017/745 | European Commission/Agbara ọkwa | Mpaghara akụ na ụba Europe | Nka na ụzụ, nyocha ụlọ ọgwụ (MEDDEV 2.7/1), nyocha post-ahịa, UDI, Identification Device Unique, EUDAMED ndebanye | kwa oge nyocha nke ahụ (nke a na-ahụkarị kwa afọ) |
| MDSAP | Ndị isi nchịkwa (US, Canada, Brazil, Australia, Japan) | mba ise chọtara | chọrọ ndị na-enyocha ihe niile chọrọ. na-ebelata ibu nyocha maka ndị na-eweta ọtụtụ ahịa | Kwa afọ |
| ASTM F86 | ASTM International | Ndị FDA na ISO | Standard maka elu nkwadebe na passivation nke igwe anaghị agba nchara ngwá ịwa ahụ | Otu nza |
Ihe Nke a Pụtara Maka Ndị Na-eweta ịkụ akara
- nkwado usoro (IQ/OQ/PQ) bụ iwu. Usoro stampụ ọ bụla nke na-emepụta akụrụngwa ahụike ga-enwerịrị nkwado site na ntozu nwụnye, ntozu arụmọrụ, na ụkpụrụ iru eru ịrụ ọrụ. Achọrọ nnweghachi mgbe ngwaọrụ, ihe, ma ọ bụ usoro ihe gbanwere.
- njikwa imewe tinye ma ọ bụrụ na onye na-eweta ịkụ akara na-enye aka na nhazi ngwaọrụ. Ọbụna ndị na-emepụta nkwekọrịta dị ọcha ga-edobe faịlụ akụkọ ihe mere eme (DHF) nke na-edepụta ka akụkụ ahụ nwere akara na-ezute ntinye nhazi nke ngwaọrụ ahụ.
- CAPA (Corective and Preventive Action) Ekwesịrị ịdekọ sistemụ arụmọrụ, yana nyocha ihe kpatara ya (dịka ọmụmaatụ, 8D, ọkpụkpụ azụ, 5-Gịnị kpatara) yana nkwenye dị irè maka mmezi mmezi ọ bụla.
Na Metal Stamping Parts Ltd, ISO 13485 asambodo mma ụlọ yana ụlọ debanyere aha FDA na-ahụ na mpaghara ọ bụla stampụ ọgwụ na-emezu ụkpụrụ iwu maka ahịa US na US.
Ụkpụrụ nnabata maka stampụ ahụike
na-eme ka ngwaọrụ ahụike siri ike na ụlọ ọrụ ọ bụla. Ebe akụkụ ikuku na-achọkarị ± 0.025-0.050 mm, akụrụngwa ahụike - karịsịa maka ngwaọrụ a na-etinye na nke ịwa ahụ - na-achọkarị ± 0.005 mm (± 0.0002 in.) na njirimara dị egwu.
| Njirimara | General Medical | Enwere ike ịkụnye / ịwa ahụ | Ihe edeturu |
|---|---|---|---|
| dayameta oghere | ±0.025 mm | ±0.005 mm | Dị oke egwu maka nnyonye anya fastener dabara na mmiri mmiri |
| Mgbidi ọkpụrụkpụ (akụkụ sere) | ±0.050 mm | ±0.010 mm | Na-emetụta iguzosi ike n'ezi ihe nhazi yana izi ezi nnyefe ọgwụ |
| Mbelata elu elu (kwa 25 mm) | 0.025 mm | 0.005 mm | dị mkpa maka akara akara, oghere mating |
| Angular ndidi | ±0.5° | ±0.1° | Ihe dị mkpa maka ịkọwapụta nkwonkwo ngwá ọrụ ịwa ahụ |
| Edge radius | 0.05 mm min | 0.02-0.05 mm na-achịkwa | Akụkụ dị nkọ na-akpata mmebi anụ ahụ; ọnụ na-enweghị burr bụ iwu |
| ihu adịghị mma (Ra) | 0.8 µm | 0.2–0.4 µm | Lower Ra na-ebelata ma melite adhesion nke nje bacteria. |
imezu ±0.005 mm ndidi
Ịmepụta stampụ ahụike na ± 0.005 mm chọrọ nchikota nke nhazi nke ngwa ngwa, njikwa usoro, na ike nha:
- Ngwá ọrụ obere igwe - Die ngalaba waya-EDM bee ±0.002 mm, mirror-egbu maramara na Ra 0.05 µm. Ngwá ọrụ ígwè akara ule dị ka ASP-23 ma ọ bụ carbide bụ ọkọlọtọ.
- Pịa nhọrọ - nhazi nhazi nke ọma ma ọ bụ hydraulicpress0.0. Mpempe akwụkwọ nke Servo na-enye ohere mmegharị slide mmemme maka usoro nhazi dị mgbagwoju anya.
- njikwa gburugburu - Ebe mmepụta ihe na-achịkwa okpomọkụ ruo 20 ± 1 Celsius. Mgbasa ọkụ nke ngwa nchara dị ihe dịka 11 µm / m / ° C - mgbanwe 3 Celsius C na-ewebata njehie 33 µm / m, nke karịrị ± 0.005 mm tolerances na njirimara 75 mm.
- Metrology - CMM nwere izizi volumetric nke 1.5 + L/333 µm ma ọ bụ ka mma. Sistemụ ngwa anya anaghị enwe kọntaktị (ihe nyocha laser, sistemu ọhụụ) maka njirimara ndị siri ike nke nyocha enweghị ike imetụ ya aka.
- SPC nwere nnukwu Cpk - Ngwa ahụike OEM na-achọkarị Cpk ≥ 1.67 na akụkụ dị oke egwu, yana ụfọdụ na-achọ Cpk ≥ 2.0.
chọrọ mmepụta ime ụlọ ọcha
Ọtụtụ akụrụngwa ọgwụ - ọkachasị ndị maka akụrụngwa etinyere, nnyefe ọgwụ na nyocha - ga-arụrịrị na gburugburu ebe a na-achịkwa iji gbochie nje na nje nje.
Nhazi ime ụlọ dị ọcha
| Standard | Equivalent | Max Particles ≥0.5 µm/ft³ | Ngwa a na-ahụkarị |
|---|---|---|---|
| ISO 14644-1 Klas 7 | FED-STD-209E Klas 10,000 | 352,000 | Mgbakọ ngwaọrụ ahụike izugbe, ngwa ịwa ahụ agwụcha |
| ISO 14684-1 Klas | FED-STD-209E Klas 100,000 | 3,520,000 | ịkụ akara na akpụ arụmọrụ maka ndị na-abụghị implantable ngwaọrụ |
| ISO 14644-1 Klas 5 | FED-STD-209E Klas 100 | 3,520 | implanging ngwaọrụ ngwugwu-ikpeazụ ihe mejupụtara ọgwụ. |
Cleanroom ịkụ akara Practices
- igwe eji eme ụlọ dị ọcha raara onwe ya nye - Agbachitere igwe nrụgharị n'ụlọ dị ọcha nwere ọkwa ikuku nwere HEPA. Ihe mmanu mmanu ga-abụrịrị ọkwa ahụike, nke anaghị egbu egbu, na nke a ga-ewepụ ya kpamkpam.
- Njikwa ihe dị mkpa - Stamped akụkụ na-kpochara ultrasonically na irè ihicha ngwọta ozugbo akpụ. Nkwado ihicha na-egosi na ihe ndị fọdụrụnụ na ihe ndị dị ndụ na-ezute oke akọwapụtara.
- Protocol uwe - Ndị na-arụ ọrụ na-eyi uwe ime ụlọ dị ọcha (akwa, uwe aka, nkpuchi ihu, mkpuchi ntutu) wee gafee mmiri ịsa ahụ tupu ha abanye ebe a na-achịkwa.
- nlekota gburugburu ebe obibi - Ngụkọta urughuru na-aga n'ihu, okpomoku na idebe iru mmiri. A na-edobe ndekọ dịka akụkụ nke ndekọ akụkọ ihe mere eme ngwaọrụ (DHR).
ihe achọrọ na ihe UDI chọrọ.
traceability na stampụ ngwaọrụ ahụike ka enyere iwu ma nwee ike nyocha. Ọ na-ejikọ akụkụ ọ bụla stampụ na isi mmalite akụrụngwa ya, usoro nrụpụta, yana n'ikpeazụ onye ọrịa.
Ihe onwunwe Traceability
- Mill certifications ga-adabara ASTM ma ọ bụ ISO ihe nkọwapụta (dịka, ASTM F138 maka ọkwa ịwa ahụ 361L). Ihe mejupụtara kemịkalụ, akụrụngwa akụrụngwa, microstructure na ọdịnaya nsonye ka akọpụtara.
- Nkewa Lot - A na-ekewapụta nza nke akụrụngwa n'ụzọ anụ ahụ na akara n'oge mmepụta. A na-ebu nọmba nza na ndị njem na-eme njem, iwu ọrụ, na njirimara akụkụ emechara.
- Chain nke njide - Ederede akwụkwọ aka site na ịnweta nyocha → nchekwa → oghere → akpụ → imecha → nyocha → nkwakọ → mbupu. A na-edekọ mgbanwe ọ bụla na ụbọchị, onye ọrụ na nrụtụ aka nza.
Identification ngwaọrụ pụrụ iche (UDI)
Sistemụ UDI FDA (21 CFR Nkebi 830) na nchekwa data EU MDR's EUDAMED chọrọ ngwaọrụ ahụike ọ bụla iburu ihe nchọpụta pụrụ iche nke jikọtara na nchekwa data ngwaọrụ zuru ụwa ọnụ.
| UDI Component | Nkọwa | ịkụ akara mkpa |
|---|---|---|
| Ngwaọrụ Identifier (DI) | Na-achọpụta ụdị/ụdị ngwaọrụ yana akara akara | ihe mejupụtara ezinụlọ stamped |
| Mmepụta Identifier (PI) | data dị iche iche: nọmba nza, nọmba akara, ụbọchị nrụpụta, ụbọchị ngafe | Stamped or laser-marked na akụkụ ma ọ bụ nkwakọ ya |
| UDI Carrier | Koodu enwere ike ịgụ nke igwe (barcode, RFID, 2D DataMatrix) | akara laser stampụ akụkụ |
mkpa dị elu. hubs), A na-etinye UDI na ọkwa nkwakọ ngwaahịa karịa n'akụkụ nke ọ bụla. Maka ngwa ịwa ahụ nke enwere ike ijikwa ya na ngwaọrụ etinyere ya, achọrọ akara akụkụ ozugbo (DPM) site na ihe osise laser.
DFM maka Medical Device ịkụ akara
Nhazi-maka nrụpụta na stampụ ngwaọrụ ahụike ga-azarịrị maka usoro iwu, biocompatibility, na ihe arụrụ arụ nke na-adịghị adị na ụlọ ọrụ ndị ọzọ.
1. Biocompatibility-Driven Surface chọrọ
Akụkụ ọgwụ stampụ ga-enwerịrị ntụpọ dị n'elu nwere ike ibute nje bacteria ma ọ bụ bute iwe anụ ahụ. Nke a pụtara:
- Ọ dịghị nkọ n'ọnụ ma ọ bụ burrs - deburring usoro ga-kwesịrị ekwesị.
- A na-achịkwa ike dị n'elu na Ra ≤ 0.8 µm maka enweghị ike ịkụnye na Ra ≤ 0.4 µm maka ebe kọntaktị a na-etinye.
- Passivation kwa ASTM A967 ma ọ bụ ASTM F86 maka igwe anaghị agba nchara iji wepụ ígwè efu ma bulie chromium oxide oyi akwa.
2. Nchegbu-Relief chọrọ
Ọtụtụ ọgwụ alloys (316L, Ti-6Al-4V, MP35N) chọrọ ọgwụgwọ mgbakasị ahụ na-ebelata okpomọkụ mgbe oyi malitere iji gbochie nrụgide-corrosion cracking na akaghi aka ike ọgwụgwụ. DFM ga-anabatarịrị mgbanwe akụkụ (~ 0.05-0.10%) na-eme n'oge enyemaka nchekasị.
3. Ndakọrịta nkwado nhicha
Akụkụ geometry ga-ekwe ka ihicha nke ọma. Akpa dị omimi, oghere kpuru ìsì, na oghere ndị dị warara na-ejide ọnyà ihe fọdụrụ n'ichepụta na ihe ndị na-emerụ ahụ. DFM kwesịrị ibelata njirimara ndị dị otú ahụ ma ọ bụ nye ohere maka nhicha ultrasonic na sachapụ ntinye mmiri.
4. Assembly Interface Precision
Ngwa ahụike na-agbakọta site na ọtụtụ ngwa nkenke. Akụkụ ndị a kpụrụ akpụ ga-ejikọtarịrị na igwe arụnyere, akpụzi, ma ọ bụ ihe ndị ọzọ nwere akara nwere obere mkpochapụ. DFM kwesịrị ịgụnye nyocha nchịkọta nnabata kwa ASME Y14.5 iji chọpụta na mgbakọ dabara adaba.
5. Ịka akara na njirimara
DFM ga-enyerịrị ebe dị larịị ma ọ bụ jiri nwayọọ gbagọọ agbagọ maka akara UDI. Mpaghara akara kacha nta dabere na usoro ngbanwe - akara 2D DataMatrix chọrọ ihe dịka 5 × 5 mm kacha nta. Ịka akara agaghị emebi iguzosi ike n'ezi ihe n'usoro ma ọ bụ ndakọrịta biocompatibility.
Maka ngwa ọrụ ịkụ akara design strategy specific to medical ngwa metal ngwa ọrụ ịkụ akara ndu.
njikwa ogo na stampụ ngwaọrụ ahụike
njikwa mma na stampụ ọgwụ na-esote ihe mgbochi achọpụtara nke ọma agbakwunyere na sistemụ ogo ISO 13485.
- nkwenye ihe na-abata — Chemical na n'ibu nkwenye megide ASTM/ISO nkọwa; akwụkwọ ikike (CoC) sitere na igwe igwe.
- nkwado nhazi - IQ/OQ/PQ protocol maka usoro stampụ ọ bụla. A na-akpọchi parampat kwadoro; mgbanwe ọ bụla na-akpalite nyocha.
- Nyochaa n'ime usoro. - SPC na akụkụ dị oke egwu; nlele anya maka ntụpọ elu; nyocha ọhụụ na-akpaghị aka maka akụkụ dị elu.
- Nyocha ikpeazụ — 100 % nyocha na njiri mara oke mkpa na nchekwa; Nlele dabere na AQL kwa ISO 2859-1 maka njirimara adịghị mkpa.
- Nnwale biocompatibility kwa TS ISO 10993 (cytotoxicity, sensitization, iyatesịt) maka ihe ọhụrụ, ndị na-ebubata ma ọ bụ mgbanwe usoro na-emetụta kemịkalụ elu.
- ndakọrịta Sterilisation - Ọ bụrụ na akụkụ nke stampụ agbajichara, DFM ga-ahụrịrị na ihe na geometry dabara na usoro ịgba ọgwụ mgbochi (steam, EtO, gamma, e-beam).
Maka usoro nyocha zuru oke, hụ ntuziaka anyị na ịkụ akara ígwè àgwà njikwa.
Medical vs. Aerospace ịkụ akara: Isi ihe dị iche
Ndị injinia na-arụ ọrụ n'ofe ụlọ ọrụ ndị a na-achịkwa ga-ahụ myirịta bara uru - yana ọdịiche dị oke egwu.
| Isi ihe | ịkụ akara ọgwụ | Aerospace ịkụ akara |
|---|---|---|
| Onye ọkwọ ụgbọ ala nke izizi | Nchekwa onye ọrịa + bioocompatibility | Iguzosi ike n'ezi ihe ụlọ + |
| Sistemu ogo | ISO 13485 / FDA 21 CFR 820 | AS9100 / Nadcap |
| Tolerances | ±0.005–0.025 | ±0.025-0.050 mm |
| chọrọ ime ụlọ dị ọcha | nkịtị (ISO 7-8) | Obere |
| Ihe na-elekwasị anya | Biacompatible (316L, Ti, CoCr) | Ike dị elu na ibu (Al, Ti, Inconel) |
| Traceability | UDI + otutu traceability | Lot traceability + serial |
| ndakọrịta Sterilisation | chọrọ maka ihe na-adịghị mma | N/A |
| Mpịakọta | 1,000–10,000,000/afọ | 100–10,000/afọ |
Na-amalite na ọrụ ịkụ akara ngwaọrụ ahụike
Ọ bụrụ na ị na-ewepụta ihe stampụ maka ngwaọrụ ahụike, soro usoro ndị a ka ịtọlite ọrụ gị maka ịga nke ọma:
- Kọwaa ụzọ usoro iwu - Ngwaọrụ a ọ bụ Klas I, II, ma ọ bụ III (FDA) ma ọ bụ Klas I, IIa, IIb, ma ọ bụ III (EU MDR)? Nhazi ahụ na-ekpebi ọkwa nke akaebe na nyocha nyocha achọrọ.
- Ezipụta ihe na ọkwa - Jiri akara ASTM ma ọ bụ ISO (dịka ọmụmaatụ, ASTM F138, ọ bụghị naanị "316L"). Ezipụta omume ịgbaze (VAR, VIM+ESR) ma ọ bụrụ na achọrọ ya.
- Mepụta akụkụ dị egwu na ndidi - Jiri GD&T kwa ASME Y14.5. Chọpụta atụmatụ ndị dị oke mkpa-na-nchekwa (CTS) vs. oké egwu na-mma (CTQ).
- Atụmatụ maka nkwado usoro — Budget for IQ/OQ/PQ protocols and first-article check. Nke a na-agbakwụnyekarị izu 4-6 na usoro iheomume mbụ nke mmepụta.
- Kọwaa nkọwa nhicha na nkwakọ ngwaahịa - Oke ihe fọdụrụnụ, oke bioburden na usoro nkwakọ ngwaahịa ga-emerịrị tupu mmepụta amalite.
Ịghọta ihe ndabere nke usoro stampụ na-enyere aka ịhazi ntozu ndị na-ebubata gị. Gụọ mmalite anyị na stampụ ígwè maka ndabere. Ị dịla njikere ikwurịta ihe achọrọ stampụ ngwaọrụ ahụike gị? Kpọtụrụ Metal Stamping Parts Ltd maka nyocha DFM na nhota.
Ajuju Ajuju
Kedu sistemu mma achọrọ maka stampụ igwe ngwaọrụ ahụike?
ISO 13485:2016 bụ usoro njikwa ogo ntọala zuru ụwa ọnụ maka ndị na-emepụta ngwaọrụ ahụike. Na United States, ndị na-ebubata ngwaahịa ga-agbasorịrị FDA 21 CFR Nkebi 820 (Iwu Sistemụ Ogo). Maka ahịa EU, nnabata na MDR 2017/745 chọrọ. Ọtụtụ ndị na-ebubata ngwaahịa na-achụso asambodo MDSAP iji meju ọtụtụ ahịa nchịkwa na otu nyocha.
Kedu ihe nnabata enwere ike nweta na stampụ ngwaọrụ ahụike?
ịkụ akara ngwaọrụ ahụike na-enwetakarị ± 0.005 mm (± 0.0002 in.) na njiri dị egwu dị ka dayameta oghere, ọkpụrụkpụ mgbidi, na ebe mkpuchi. Nke a na-achọ ngwa ngwa n'ụzọ ziri ezi, igwe na-ebugharị servo na ± 0.005 mm repeatability, gburugburu mmepụta ihe na-achịkwa okpomọkụ (20 ± 1 Celsius C), na nyocha CMM na nzizi sub-micron.
Kedu ihe dakọtara maka stampụ ngwaọrụ ahụike?
Ihe stampụ bioc dakọtara na-ejikarị gụnyere igwe anaghị agba nchara 316LVM (ASTM F138), titanium CP Grade 2 na Ti-6Al-4V ELI (ASTM F136), MP35N (ASTM F562), Elgilol (ASTM F105) na Nii F105 (ASTM F105). Onye ọ bụla ga-agafe ule bioacompatibility ISO 10993 (cytotoxicity, sensitization, iyatesịt) maka oge ịkpọtụrụ onye ọrịa chọrọ na ụdị ya.
Gịnị bụ UDI na kedu ihe kpatara o ji dị mkpa maka akụrụngwa ahụike akara akara?
UDI (Nchọpụta ngwaọrụ pụrụ iche) bụ sistemu FDA (21 CFR Part 830) na EU MDR nyere iwu nke na-enye ihe nchọpụta pụrụ iche na ngwaọrụ ahụike ọ bụla. Maka ihe ndị etinyere stampụ, data UDI - gụnyere nọmba nza, nọmba serial, na ụbọchị nrụpụta - ga-enwerịrị ike ịchọta ya ma tinye ya akara ozugbo n'akụkụ ya (maka ngwaọrụ ndị enwere ike iji ya mee ihe) ma ọ bụ na nkwakọ ngwaahịa (maka mkpofu).
Kedu ihe dị iche n'etiti ISO 13485 na FDA 21 CFR 820?
ISO 13485 bụ ọkọlọtọ mba ụwa amatara n'ụwa niile, ebe FDA 21 CFR 820 bụ ụkpụrụ US akọwapụtara. Ha na-ekpuchi ala yiri nke ahụ - njikwa imewe, nkwenye usoro, CAPA, njikwa akwụkwọ - mana dị iche na ihe achọrọ. Dịka ọmụmaatụ, FDA chọrọ mkpesa ngwaọrụ ahụike (MDR) maka ihe ọjọọ, ebe ISO 13485 chọrọ mkpesa ịmụrụ anya site na ikike nchịkwa. Ọtụtụ ndị na-eweta ngwaahịa na-edozi usoro ịdịmma ha na usoro abụọ ahụ iji jeere ahịa ahịa ụwa niile.