Can I boil every part? | The chip, cord and electronics have different limits [OK Prostate Chip]

This page is based on entries from "ok-lab's diary" (https://ok-lab.hatenablog.com/), the Japanese development diary written by Mr. Okada, founder of OK Lab, a small company in Japan (Okada Comfortable Life Laboratory). Only the entries about "which materials can be boiled" are summarized here, in order of publication. Past prices and sizes are as written at the time. Current prices come from the official product list (retrieved September 4, 2026). Quotations are translated from Japanese.

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Note: This page is a personal reading log by someone with no connection to the maker or the seller. It reflects the source entries as of their publication dates and makes no guarantee of accuracy or safety. The product is not a medical device; talk to a doctor about any health decision. Check the official site for current information. This page contains advertising.

In short

• Mr. Okada describes different heat limits for chip bodies, threads, connectors and controllers.
• His replies distinguish boilable parts from attached electronics and plugs that are difficult to clean.
• The current list includes the glass semilong vibrating chip, but historical custom fittings remain unconfirmed.

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About this product

The OK Prostate Chip is a small device that is placed in the urethra (the urine passage) so that it acts on the prostate; the maker sells it in several shapes, sizes and materials. It is made and sold by OK Lab (Okada Comfortable Life Laboratory), a small company in Japan, through its own online store, and prices are in Japanese yen (JPY).

The maker's development diary, "ok-lab's diary", is written in Japanese. This page is an English summary of it, and every quotation is translated. OK Lab ships internationally, so readers outside Japan can order (see "Buying from outside Japan" below). Product names on this page are plain-English descriptions. The official Japanese product name is shown once in the product table so you can find the same item in the store.

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Before you read: key terms

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What happens: boiling the OK Prostate Chip

The OK Prostate Chip is a small device placed in the urethra, the urine passage, to act on the prostate. Boiling appears in the diary as a cleaning treatment for the chip and some attached parts. Those parts include threads, electrical connectors, controllers (electrical controls for vibrating chips) and newer coated metal wire. The entries discuss components attached to chips intended for the urethra, as well as a separate rectal model. Mr. Okada's answers distinguish the material of a part from the construction of the complete assembly.

Boiling glass chips carried a separate warning about exposed nylon thread

In an entry published in January 2019, a customer asked whether a newly received glass chip could tolerate boiling. Mr. Okada replied that, in his experience, both glass and resin presented no problem at 100°C. He expressly based that answer on experience.

The diary does not record a later boiling result for that customer's glass chip. His separate concern was nylon thread (the line connecting chip parts) exposed above the water. He warned that direct contact with the pot could raise that exposed thread above 100°C.

(Source: ok-lab's diary, published January 2019)
https://ok-lab.hatenablog.com/entry/20190112/1547275441

Boiling vibrating chips appeared feasible in an April 2019 connector test

In an entry published in April 2019, Mr. Okada introduced a custom miniature connector. It contained only silicone, metal and epoxy resin (a material used to form the connector). He said this combination could tolerate 100°C water.

The chip-side motor also appeared unaffected after about 10 minutes of boiling in his test. The planned connector pair cost ¥4,000 (about $26 at ¥156 = $1, rate as of 2026-09-04) excluding tax, as published in April 2019. Mr. Okada proposed the detachable connection as a way to make boiling possible for the vibrating chip.

(Source: ok-lab's diary, published April 2019)
https://ok-lab.hatenablog.com/entry/2019/04/06/151323

Mr. Okada accepted boiling electrode chips in an August 2019 custom reply

In an entry published in August 2019, a customer requested two custom electrode chips (chips modified for electrical contact). One was a semilong resin chip for the urethra; the other was a U-shaped chip for the rectum. The quoted builds cost ¥7,560 (about $48 at ¥156 = $1, rate as of 2026-09-04) and ¥9,720 (about $62 at ¥156 = $1, rate as of 2026-09-04), respectively, as published in August 2019.

The customer's heat question concerned whether the electrode modifications could tolerate boiling. The diary does not record whether the order was completed or how either customized chip withstood later cleaning. Mr. Okada's answer was that these electrode chips could be boiled.

(Source: ok-lab's diary, published August 2019)
https://ok-lab.hatenablog.com/entry/2019/08/31/131337

Mr. Okada excluded direct flame from his claims about boiling coated wire

In an entry published in October 2024, Mr. Okada described silicone-covered nitinol wire (nickel-titanium wire) as a possible replacement for thread. The prototype enclosed two 0.3 mm wires inside silicone tubing with 1 mm outer diameter and 0.5 mm inner diameter. He said the coated wire tolerated high heat, including contact with the pot's rim during boiling.

He also claimed it tolerated high-pressure sterilization (a treatment the diary does not explain). The entry describes an early development stage, with further development and testing still planned. Mr. Okada nevertheless warned against exposing this wire to direct flame.

(Source: ok-lab's diary, published October 2024)
https://ok-lab.hatenablog.com/entry/2024/10/12/122911

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The maker's answer to boiling the OK Prostate Chip

Mr. Okada's answers depend on the particular component, its electrical connections and the materials securing it.

Boiling connectors did not make the April 2019 controller boilable

In an entry published in April 2019, Mr. Okada described a fully waterproof male connector (the chip-side half of the electrical connection). The female connector (the controller-side half) was not designed to be fully waterproof.

The earlier arrangement had limited hot-water treatment to the chip tip because the controller remained attached. Mr. Okada's restriction was that the controller itself could not be boiled.

(Source: ok-lab's diary, published April 2019)
https://ok-lab.hatenablog.com/entry/2019/04/06/151323

Boiling vibrating chips depended on the attached electrical assembly

In an entry published in September 2019, Mr. Okada discussed detachable plugs for a glass semilong vibrating chip. He said a chip fitted with terminals could be boiled, whereas the assembly with its controller attached could not. As a separate example, he stated that the plain vibrating chip (fetal chip) and its battery box could be boiled together.

Both halves of the detachable plug had cavities that made their interiors difficult to clean. He considered boiling or alcohol immersion necessary if those plugs were used internally. His overall advice was against placing these plugs inside the urethra because of that cleaning difficulty.

(Source: ok-lab's diary, published September 2019)
https://ok-lab.hatenablog.com/entry/2019/09/07/135854

Mr. Okada said boiling coated wire also suited its fastening materials

In an entry published in October 2024, a customer asked whether the materials securing the silicone-covered wire could withstand boiling. The customer thought a diary photograph showed something resembling tape around the tube connection. Mr. Okada suggested that reflected light might explain that appearance.

He explained that the several layers of fastening mainly served to keep water out of the tube. The diary does not record a later heat-resistance result from that customer. Mr. Okada's answer was that all materials used to secure the coated wire could withstand boiling.

(Source: ok-lab's diary, published October 2024)
https://ok-lab.hatenablog.com/entry/2024/10/26/122649

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How boiling the OK Prostate Chip changed over time

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OK Prostate Chip products related to boiling the OK Prostate Chip

The supplied current list includes the glass semilong vibrating chip and the controller options named in the September 2019 request.

Products that appear in these entries

The glass semilong vibrating chip is listed in OK Lab's own online store.

(Source: ok-lab's diary, published September 2019)
https://ok-lab.hatenablog.com/entry/2019/09/07/135854

Products the diary mentioned as alternatives

The diary names no alternative.

Historical items discussed here include miniature connectors, custom electrode chips, the custom plug-equipped assembly, the plain vibrating chip and coated nitinol wire.

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Common worries about boiling the OK Prostate Chip

Customers asked about silicone cords, resin bodies and ordering detachable plugs; Mr. Okada answered each separately.

Can boiling damage the silicone cord on a vibrating chip?

In an entry published in May 2020, a customer asked whether the corded plain vibrating chip could be boiled. The question concerned care of that model, including its attached cord. The diary does not record a later cleaning result from this customer. Mr. Okada identified the cord as silicone and said boiling temperatures presented no problem for that material.

(Source: ok-lab's diary, published May 2020)
https://ok-lab.hatenablog.com/entry/2020/05/09/143600

Can resin chips tolerate boiling for cleaning?

In an entry published in May 2020, a customer with a two-chip resin model asked whether it could tolerate boiling for cleaning. The later messages concern how the chip felt in use and do not report a boiling outcome. Mr. Okada's reply was that resin chips could be boiled.

(Source: ok-lab's diary, published May 2020)
https://ok-lab.hatenablog.com/entry/2020/05/23/132040

Can vibrating chips have detachable plugs for boiling?

In an entry published in September 2019, a customer asked whether a vibrating chip with detachable plugs was available to order. Regular sales arrangements were still being considered, but Mr. Okada offered a custom modification for ¥2,160 (about $14 at ¥156 = $1, rate as of 2026-09-04) extra. That was the additional charge published in September 2019.

The customer then requested the glass semilong model with both electronic and basic controllers. The diary does not record whether that order was completed. Mr. Okada advised interested buyers to request the plug option with their order.

(Source: ok-lab's diary, published September 2019)
https://ok-lab.hatenablog.com/entry/2019/09/07/135854

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Buying from outside Japan

OK Lab ships internationally to countries covered by Japan Post's EMS courier service. Overseas orders are paid in advance by PayPal. Each order carries a ¥400 (about $3 at ¥156 = $1, rate as of 2026-09-04) handling fee, and EMS shipping is charged on top. These terms come from OK Lab's official sales-terms page (written here as plain text, not a link: ok-lab.net/docs/law), checked on September 7, 2026; confirm them on the official store before you order, because they can change.

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Summary of this article

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Source: ok-lab's diary (Okada Comfortable Life Laboratory). The original entries are in Japanese; quotations on this page are translated. Photos and videos are on the original entries.