HairArchitect · Blog
我需要多少移植物？計算器優先指南
一步一步：測量受體面積，選擇目標密度，了解捐贈者的限制，並使用移植計算器作為與外科醫生的對話開始。
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Written by HairArchitect Editorial Team · Planning & education content
Medically reviewed by Dr. Erkam CAYMAZ · Hair restoration surgeon
TL;DR
移植物需求等於受體面積（cm²）×目標密度（移植物/cm²），以安全捐贈者供應為上限。線上計算器給出一個範圍；只有當面捐助者評估才能最終確定該數字。
第 1 步 — 定義接收區域
畫出發際線、太陽穴以及您正在討論的任何頭皮中部或頭頂區域。混合區域是兩個計算器傳回不同總數的主要原因。
第 2 步 — 選擇一個現實的密度目標
| Zone | Common planning range (grafts/cm²) | Notes |
|---|---|---|
| Hairline | 35–45 | Single-hair units matter most |
| Mid-scalp | 30–40 | Blend with native density |
| Crown | 25–35 | Angle and swirl dominate perception |
步驟 3 — 檢查捐贈者供應
計算器可能會顯示 3,500 個移植物，而您的捐贈者可以安全地支持 2,200 個移植物。頭髮直徑、頭皮鬆弛和先前的手術都會改變上限。問：“我的安全單次通過率是多少？”
Norwood-漢密爾頓分期有助於估計受區面積和覆蓋需求 - 它是一種臨床分類工具，而不是移植處方。 (PubMed — Norwood-Hamilton scale (male pattern baldness classification))
Societies that publish hair restoration guidance push for individualized hairline design—face shape, age, and donor supply all matter. Templates alone are not enough. (ISHRS — Glossary of Hair Restoration Terms)
Key takeaways
- Use calculators to learn scale, not to shop for the highest number.
- Bring your design and graft estimate to consult—HairArchitect AI exports a visual plan.
- Finalize numbers only after donor mapping in person.
Is 4,000 grafts always better than 2,500?
Bigger numbers are not automatically better. Taking too much from the donor can thin the back permanently.
Do grafts equal hairs?
One graft is usually a follicular unit with 1–4 hairs. Ask for hair count when quotes sound confusing.
Sources
- ISHRS — Hair Transplant Guide for Patients
- ISHRS — Glossary of Hair Restoration Terms
- PubMed — Norwood-Hamilton scale (male pattern baldness classification)
- PubMed — Follicular unit extraction overview
- PMC — Follicular unit survival and graft handling factors
- PubMed — Hair transplantation: basic overview