Methods and steps for donating bone marrow hematopoietic stem cells by volunteer puncture needle:

1. If you are of appropriate age, healthy, and volunteer to donate bone marrow, you can call the hotline of the China Marrow Bank to register, or go to the Red Cross Society at or above the county level to register, and fill in the voluntary donation form and related forms.

2. The bone marrow bank or the Red Cross will arrange for you to test 5 ml of blood, and store the HLA typing results of the test in the computer of the China Hematopoietic Stem Cell Donor Database for patients to find a match.

3. The donor and the recipient have the same initial matching type. The staff of the bone marrow bank will introduce the donation process to you in detail, and at the same time, ask you to undergo a general examination.

4. When you donate, you are completely awake, collect about 50 ml of peripheral blood hematopoietic stem cells from your arm, collect by machine, and return the remaining blood to your body.

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