When Follicular Unit Extraction was first implemented as a hair transplantation method, graft extraction and implantation was done using simple manual tools. The process was then sped up with the introduction of a machine known as a micromotor, which was using during both the extraction and the replantation stages. This mechanic device allowed surgeons to transplant a larger number of grafts through improved extraction. However, the micro-motor has a number of disadvantages when used for the implantation of donor grafts. Now, get FUE  Esthcare Clinic  further improvements on this crucible stage with a new kind of instrument – the Choi Implanter Pen.

How Does the Choi Implanter Pen Work?

The Choi Implanter is a pen-like instrument with a hollow needle on one of its ends. Technicians at the operating room load extracted hair grains into the hollow needle end. The surgeon then uses the pen to implant the pre-loaded into the scalp. This process is then repeated for every single graft. During a typical transplant, our hair transplant surgeon and the team use about 6 pens interchangeably to optimize the implantation time and pace.

Major Improvements and Advantages

The use of an implanter pen eliminates the need for channel incisions. Previously, the operating team would need to create tiny circular incisions on the scalp and plant grafts inside these channels. Surgeons can now “inject” grafts directly into the recipient zones. This decreases trauma and blood loss during the transplant.

As a result, using the Choi Implanter Pen, our surgeons can now realize significantly higher graft survival rate following the transplant. Furthermore, reduced trauma means faster healing times for our patients. There is clear and envious evidence of better aesthetic results, as grafts can be positioned with greater precision during implantation.

Comparison Table

of Main Hair Transplantation Techniques
Follicular Unit Transplantation

Graft Extraction

FUT involves removing a small strip of skin from the back of the head. Donor grafts are then extracted from this strip of skin. This typically results in a long horizontal scar at the back of the patient’s head.


Once extracted, individual grafts are implanted into channel incisions. A surgeon first creates tiny incisions on the scalp and then inserts donor grafts into these channels.


Follicular Unit Extraction


Grafts are extracted individually (one by one) directly from the back of the scalp in a random fashion using a specialized tool, without having to remove a strip of skin. This type of extraction is the main difference between FUE and FUE. When done correctly, FUE extraction does not cause scarring. The donor area heals considerably faster due to less traumatic extraction.

Conventional FUE

Extracted individual grafts are implanted into channel incisions, similar to the FUT method. A surgeon creates incisions on the scalp and then inserts donor grafts into these channels. Incisions on the recipient area add to the trauma of the transplant and slow the recovery. This also results in lower graft survival rate.

Implanter Pen FUE

Individual donor grafts are preserved in a high platelet-count solution (PRP). The grafts are then loaded into a syringe-shaped instrument and implanted directly into the scalp without the need to create donor incisions first, thus avoiding the unnecessary trauma to the scalp. Implanter Pen usage also increases the graft survival rate.

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