The Sterilization History Of Bloodletting Needles Is A Microcosm Of The Reusable → Disposable Shift

The source material contains an interesting passage: "Sterilization techniques in the past were rudimentary… Boiling or open-flame heating were common practices… posed significant risks of infection." This describes the pre-1880s barber-surgeon era: copper/iron/steel bloodletting needles were boiled in water or heated over alcohol lamps, with rust and carbon deposits as the norm, and cross-infection rampant (puerperal fever in Victorian obstetrics and post-bloodletting sepsis were not uncommon).

This passage is especially apt for the bloodletting category, which carried the heaviest "reusable tradition" and switched to disposables later than almost any other segment - even today, some traditional Hijama practitioners in the Middle East still use "stainless steel triangular needles + boiling for reuse" (claiming "Sunnah requires metal, not disposable plastic pens"), though SFDA/MOH authorities are pushing "disposable-only."

Product Forms Corresponding to Three Sterilization Generations

• Boiling/flame (pre-1960s)​ → Solid copper/iron/steel needles, reusable, hung on barber-surgeon belts. Rust and carbonization were constant; the source's mention of "ornamental designs" - medieval nobles' bloodletting pens inlaid with silver/gems - wasn't just aesthetics, but "identifying this is MY needle" (since they were reused).
• Chemical soak + autoclave (1960s–1980s)​ → TCM triangular needles remained mostly reusable during this period (department boiling + 75% alcohol soak), until the 1995 YY 0104 "Triangular Needle" standard promoted "single-use," though grassroots/individual TCM practitioners didn't widely switch until after 2010.
• EO sterilization + Gamma (1990s–)​ → Single-use triangular needles, Hijama needles, and lancets all follow this path. EO residue ≤10 μg/device, with 2-chloroethanol residue also controlled - the same standard as hypodermic needles. However, bloodletting needles in "single PE tube packaging" have higher EO permeability requirements (small tube diameter, 0.05 mm wall PE tubing is less permeable than blister packs), making residue more likely to exceed limits.

Three Resistance Points to the Decline of Reusables (Unique to Bloodletting)

• TCM "feel" fixation:​ Senior TCM doctors feel "single-use triangular needles are too brittle, pricking doesn't reach the collateral," preferring the weight of "old copper-handle steel needles" - psychological, but in department procurement, "one senior doctor's word" can kill a disposable order.
• Hijama's Sunnah narrative:​ Some imams believe "the Hadith specifies horn/metal needles; disposable plastic pens are disrespectful" - Saudi Arabia's SFDA issued a notice in 2018 stating "Hijama must use single-use sterile needles," yet grassroots practitioners still reuse (boiling). Turkish factories deliberately produce two parallel lines: "reusable 316L triangular needles + SFDA-registered single-use versions."
• Cost difference:​ Single-use triangular needles cost ¥0.15–0.30/piece; reusable copper-handle steel needles cost ¥8–15/piece but last a year - grassroots clinics do the math and choose reusable until infection control inspections force a change.

The Switch Dividend for Manufacturers

Chinese factories' biggest windfall over the past decade has been the "reusable → disposable" transition in TCM and Hijama:

Yiwu triangular needle factories: in 2010, reusable accounted for 70%; by 2024, single-use accounts for 85%.

Turkish Hijama needle factories: in 2015, reusable was 60%; by 2024, single-use is 75% (driven by SFDA). For OEMs like Manners receiving bloodletting orders, "EO sterilization + residue reports + single-tube PE molding" is the entry-level configuration - clients (especially Middle Eastern) will ask "what is the frequency of your third-party EO residue reports?" Inability to answer means instant disqualification, as Saudi customs inspects.

♨️ For OEMs:​ Don't just write "EO sterile" as the selling point for bloodletting needles - be prepared to provide "batch EO residue + 2-chloroethanol reports + permeability validation for single-tube PE." Middle Eastern/European Hijama clients are MORE sensitive to this than hypodermic needle buyers (because needles are small, PE tubes are dense, and residue easily exceeds limits).