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How are Recipient Sites Programmed into the ARTAS Robot?

Q: How are specifications for recipient sites inputted into the ARTAS® robot?

A: At the outset of the procedure, the physician sits at a computer terminal that is connected to the ARTAS Robot and enters the specifications directly into the robot’s software. Variables programmed in this manner include: the number of recipient sites, density of sites, angle that the hair will extrude from the skin, depth of recipient sites, and the minimum distance away from existing hair follicles that a site can be created.

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Will Robotic FUE Reduce the Cost Per Graft for FUE Procedures?

Q: Will Robotic FUE reduce the cost per graft for FUE hair transplants?

A: Robotic FUE may cost slightly more per graft than a typical manual FUE procedure due to the greater expense of this new technology. At Bernstein Medical, we use the ARTAS Robotic System for all Follicular Unit Extraction (FUE) procedures.

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How Does the ARTAS Robot Avoid Transection of Hair Follicles During Recipient Site Creation?

Q: How does the ARTAS System avoid damaging hair follicles in the balding area during recipient site creation?

A: The ARTAS robot’s optical guidance system enables it to accurately create recipient sites in areas of thinning hair without damaging existing hair follicles. During the recipient site creation process, the robot uses its advanced image-guided optical system to scan the surface of the skin, locate existing hair follicles in the recipient area, and then create recipient sites at a specified distance from these existing hairs.

The ARTAS robot carries out this process rapidly, accurately, and consistently according to the physician’s programmed specifications. Thanks to the microscopic precision of the image-guided technology, the robotic hair transplant system can avoid injury to follicles that can result when Follicular Unit Extraction (FUE) is performed using manual techniques.

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Why is Robotic Recipient Site Creation an Advantage?

Q: Why is using the robot to create recipient sites useful in a hair transplant?

A: The ARTAS® Robotic Hair Transplant system eliminates the inconsistencies inherent in creating large numbers of recipient sites by hand. The robot can create sites at a rate of up to 2,000 per hour. Although there is more set-up time compared to sites made manually, once the physician specifies the parameters such as punch depth, punch angle, and site direction, recipient site creation is precise and rapid.

One of the benefits of robotic site creation is that the distribution of grafts over a fixed area of the scalp can be exact. For example, if one wants to transplant 1,000 grafts evenly over 50cm2 of area, this can be done with great precision and with uniform site spacing. In addition, the physician can vary the densities in select regions of the scalp and the robot will adjust the densities in other areas so that the total number of sites remains the same.

Another benefit of the new technology is that the robot can be programmed to avoid existing hair and select which specific hair diameters to avoid. The robot is programmed to keep a specified distance from the existing hair to ensure that the resident follicles will not be damaged and that the distribution of new hair is even and natural. This computerized mechanism appears to be more accurate than what can be done by hand and, importantly, does not sacrifice speed in the process.

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How Does the ARTAS Robotic System Make Recipient Sites in a Hair Transplant?

Q: How do recipient sites get made in Robotic FUE? And how does the robot know where to create the sites?

A: In performing recipient site creation, the ARTAS Robotic Hair Transplant system automates another part of the hair transplant process that is repetitive and prone to human error. In robotic site creation, the physician first designs the hair restoration and then specifies the angle of hair elevation, hair direction, site depth, average density, and total number of the recipient site incisions. The robot then creates the sites according to these specifications.

During site creation, the robot automatically uses its image-guided technology to avoid hairs of a certain diameter (specified by the doctor). The robot creates sites at a minimum distance from hairs of the specified diameter (the distance is also specified by the physician) and will do so randomly throughout the areas where the hair is finer or the scalp is bald. With this important feature, the new distribution of sites can be made to complement the distribution of existing hair. Observation of the ARTAS System suggests that it performs recipient site creation with greater precision and consistency than can be accomplished manually.

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How Does Robotic FUE Differ from Other Hair Transplant Procedures?

Q: What is the main difference between hair transplants using the robot versus other procedures?

A: There are two basic types of hair transplant procedures, Follicular Unit Transplantation (FUT or strip surgery) and Follicular Unit Extraction (FUE). In FUT, donor hair is harvested by removing a long thin strip from the back of the scalp. Individual follicular units are then obtained from this strip using stereo-microscopic dissection. In FUE, individual follicular units are harvested directly from the donor area using a sharp, round cutting instrument. The ARTAS Robotic System performs the follicular unit isolation step of an FUE procedure and can also create recipient sites according to specifications determined by the hair restoration surgeon. In performing each of these steps, the robot uses its image-guided technology to locate the next target and position the cutting instrument, and it does so with precision and speed that cannot be accomplished using manual FUE techniques or instruments.

Read more about the ARTAS Robotic System

Read the Robotic Hair Transplant FAQ

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How Does a Hair Transplant Surgeon Operate the ARTAS Robot for FUE?

Q: I have been reading about Robotic FUE and have seen some photos on your website of you operating the ARTAS robot using what looks like a remote control. What is that thing and how does it control the robot?

A: The ARTAS robot uses a dual operating system when performing follicular unit extraction. One station consists of a desktop computer adjacent to the robot. This station is used to establish the basic parameters of the transplant such as the spacing of grafts, the angle and depth of the harvest, which size follicular units will be targeted, and a host of other important variables.

The hand-held pendant is used by the operator situated next to the patient. The remote has more limited options – the main ones being depth adjustment and to immediately suspend the action of the robot. Many of the parameters are determined automatically by the robot’s computer to maximize the accuracy of the harvesting. The robot also makes real-time adjustments to these variables during the hair restoration procedure.

The physician sets the parameters at the computer monitor and, once the settings are determined, he/she sets the tensioner grid on the patient’s scalp. The tensioner determines where the grafts will be harvested. The grid is moved approximately every 130 harvests. The robot can be operated at the computer terminal and through a mobile pendant. The physician often alternates with a trained assistant between that station and using the pendant.

Besides the involvement in the operation of the robot, there are many other important physician-dependent steps to the hair transplant including the planning and design of the procedure, and recipient site creation. Other steps, such as the microscopic sorting and trimming of harvested follicular unit grafts and graft placement, are often performed by trained staff, but require the physician’s close supervision.

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How Does the ARTAS System, or the Surgeon, Determine the Depth of the Incision, and Can it be Adjusted During Surgery?

Q: How does the ARTAS robot control the depth of the incision in Robotic FUE?

A: The ARTAS robotic system is equipped with advanced sensors that determine the precise depth of the sharp and blunt needles used both in the graft harvesting step and for recipient site creation. The robot automatically adjusts to the precise depth needed for the non-traumatic extraction of the grafts. The tip of the punching mechanism contains depth markings so that the physician can visually override the punch when he wants to fine-tune its action. While monitoring the procedure in real time, if it is observed that the punches are too superficial or too deep, punch depth can be modified using the robot’s computer system.

The physician can also use the ARTAS system to precisely control the depth of recipient sites. As with harvesting, the robot automatically adjusts the depth based on parameters set by the physician and the doctor can then make further adjustments, in real-time, during the procedure.

Click here to read more about Robotic Hair Transplantation

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Is a Robotic FUE Hair Transplant Painful?

Q: Does Follicular Unit Extraction performed by a robot hurt more than regular FUE? — R.T., Greenwich, CT

A: As with manual FUE, robotic FUE hair transplantation is an outpatient procedure performed under long-acting local anesthesia – a combination of lidocaine and bupivacaine. After the initial injections, the patient does not experience any pain or discomfort.

Before starting local anesthesia, we give most patients oral valium and intra-muscular midazolam (a very fast acting sedative that is very relaxing). While some patients doze off at the beginning of the procedure, others prefer to watch TV, a film, or just chat.

Local anesthesia generally wears off after 4-5 hours, so for transplant sessions lasting longer than this, we will give more anesthesia before the first wears off. With Robotic FUE, there is no discomfort once the procedure is completed and the anesthesia wears off. This is in stark contrast to an FUT strip procedure which can be uncomfortable in the donor area for days to weeks.

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How Many Follicles Can You Transplant With Robotic FUE?

Q: How many follicles can you transplant with robotic FUE compared to manual FUE?

A: We can extract the same number of follicles robotically as we can manually.

That said, the goal of any hair transplant procedure is not to transplant as many hair follicles as possible but rather to achieve the best possible cosmetic result given your degree of hair loss and the number of hair follicles available in your donor area.

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