Can the OK Prostate Chip cause dry orgasms or male squirting? | Experiences vary, and problems are recorded [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 "dry orgasm and male squirting experiences" 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

Readers reported repeated orgasms and fluid release, sometimes alongside bleeding or difficulty controlling urine.

Mr. Okada reported limits, warned about heat and pressure, and changed designs after problems.

Some named products remain listed, but the latest fine-wire experiments were unavailable for customer orders in May 2026.

If you see blood in your urine, even a small amount or for the first time, do not wait and see. See a urologist right away. If you suddenly cannot urinate, or the device cannot be removed, do not try to fix it yourself. Go to a medical facility, including emergency care, immediately.

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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: dry orgasms and male squirting

The OK Prostate Chip is a small device placed in the urethra to stimulate the prostate. Here, dry orgasm describes a reported orgasm without semen release, although some customers use the label more loosely. Male squirting describes fluid released from the penis during pleasure; the diary does not consistently identify that fluid. These are experience reports involving prostate stimulation, including vibrating and non-vibrating chips, with problems recorded alongside pleasure.

Prostate stimulation tests exposed failure of an experimental stopper

In an entry published in June 2018, an extra-large long-chip tester reported that the entire assembly slipped into the bladder. The stopper chip (an attached part intended to limit movement) went with it. They reported recovery without injury and, after adjustment, considered at least 1–2mm between chips necessary.

Mr. Okada explained that his own tests had not established whether the stopper worked at the sphincter (a muscle controlling urine). He cautioned that the reported failure undermined calling it a sphincter stopper.

(Source: ok-lab's diary, published June 2018)
https://ok-lab.hatenablog.com/entry/20180616/1529136608

Male squirting experiments led to limits on a dual-motor prototype

In an entry published in February 2019, Mr. Okada described reduced control over ejaculation and urination during his dual-motor prototype tests. He reported semen release and urine leakage, rather than a confirmed result for every effect he imagined. The tax-excluded prices were ¥3,000 (about $19 at ¥156 = $1, rate as of 2026-09-04) for the resin body, ¥5,000 (about $32 at ¥156 = $1, rate as of 2026-09-04) for 2 motors, and ¥8,000 (about $51 at ¥156 = $1, rate as of 2026-09-04) for the assembled chip.

Adding a nylon retrieval thread (a line intended to recover the chip) cost ¥1,000 (about $6 at ¥156 = $1, rate as of 2026-09-04), also tax excluded. He reported dryness and discomfort after about half a day with non-vibrating resin, explaining why he withheld resin long chips. He recommended brief use of the dual-motor model.

(Source: ok-lab's diary, published February 2019)
https://ok-lab.hatenablog.com/entry/2019/02/09/152257

Male squirting reports also included difficulty holding urine between sessions

An entry published in June 2019 describes a 3-motor user completing about 10 sessions, spaced 1–4 days apart. They reported being able to delay urination for only 10–20 seconds after feeling an urge. Mr. Okada offered a theory about strain on the muscles controlling urine; the diary does not record whether the problem resolved.

The customer also asked about an electrode chip (a chip carrying electrical contacts). Mr. Okada explained that this involved current on internal tissue from a controller intended for external skin. He pointed out that Omron's manual prohibited use on the genitals.

(Source: ok-lab's diary, published June 2019)
https://ok-lab.hatenablog.com/entry/2019/06/08/144200

A prostate stimulation report prompted protection around sharp thread connections

In an entry published in August 2020, a customer praised the sea-slug-shaped resin chip, version 4, but reported a sharp thread connection. They reported pleasure without bleeding, but hardened resin at the thread hurt during inspection. Mr. Okada acknowledged concern about the design's thin end. He said future version 4 and two-thread chips should have silicone rubber covers at their thread connections.

(Source: ok-lab's diary, published August 2020)
https://ok-lab.hatenablog.com/entry/2020/08/08/130037

Prostate stimulation with a curved custom chip left longer-term results unknown

In an entry published in November 2023, a customer reported repeated orgasms with a custom curved resin screw chip. They described about a week of continuous placement and said it stayed put during urination. Mr. Okada attributed the fit to several features together: curvature, twisting, width, and the white resin's limited slipperiness.

The diary does not record the planned month-long trial's outcome. Mr. Okada made his praise for month-long use conditional on the absence of sphincter fatigue.

(Source: ok-lab's diary, published November 2023)
https://ok-lab.hatenablog.com/entry/2023/11/11/122638

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The maker's answer to dry orgasms and male squirting

Mr. Okada's replies include warnings, protective design changes, and decisions to stop or withhold experimental products.

Stronger male squirting reports did not justify a hot motor

In an entry published in August 2019, a customer reported trying 9V with a custom 3-motor chip. They described heat approaching a burning sensation, despite also reporting squirting. Mr. Okada suspected heat damage to the urethra, although the diary records no medical confirmation. He explicitly warned against 9V.

(Source: ok-lab's diary, published August 2019)
https://ok-lab.hatenablog.com/entry/2019/08/10/125102

Reported prostate stimulation did not secure endorsement for an oversized design

In an entry published in August 2022, a customer praised the sea-slug-shaped custom chip, version 4+5. They reported sustained sensations and no bleeding, but also substantial difficulty getting the device into place. Mr. Okada said he could not recommend it because he thought its shape threatened the bladder.

He did not withdraw that concern when he added that confident users could decide for themselves. He stressed that the pressure would be unusually strong.

(Source: ok-lab's diary, published August 2022)
https://ok-lab.hatenablog.com/entry/2022/08/13/122909

Prostate stimulation with wire prompted a thicker protective covering

In an entry published in October 2024, Mr. Okada reported pain with exposed wire and suspected it was biting into the urethral lining. He abandoned bare 0.3mm wire as a standard thread replacement and specified complete coverage with 2mm silicone tubing (a cushioning cover). He still fulfilled existing requests for bare-wire versions.

His own loop experiments produced strong sensations on some occasions and nothing on others. He cautioned that he did not know whether the wire's expanding action inside the prostate was safe.

(Source: ok-lab's diary, published October 2024)
https://ok-lab.hatenablog.com/entry/2024/10/19/122847

Prostate stimulation did not make an abandoned retrieval tool suitable

In an entry published in May 2026, Mr. Okada abandoned development of a retrieval tool. A prototype with doubled 0.15mm wire could not pass the sphincter. He concluded that the 0.3mm reinforced version might push a trapped chip farther inward. He decided that supplying this unfinished tool to someone awaiting medical removal would be wrong.

(Source: ok-lab's diary, published May 2026)
https://ok-lab.hatenablog.com/entry/2026/05/02/122917

Strong prostate stimulation did not make fine-wire prototypes orderable

In a separate entry published in May 2026, Mr. Okada described an unfamiliar, involuntary sensation from a 0.03mm wire-loop prototype. He compared it with the feeling of ejaculation, while stating that ejaculation itself did not occur. Small mistakes during manufacture frequently ruined the entire piece. He said his technique was not reliable enough to accept customer requests.

(Source: ok-lab's diary, published May 2026)
https://ok-lab.hatenablog.com/entry/2026/05/16/122906

If you see blood in your urine, even a small amount or for the first time, do not wait and see. See a urologist right away. If you suddenly cannot urinate, or the device cannot be removed, do not try to fix it yourself. Go to a medical facility, including emergency care, immediately.

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How dry orgasms and male squirting changed over time

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OK Prostate Chip products related to dry orgasms and male squirting

The current list includes the single glass chip and the extended resin model discussed in reader exchanges.

Products that appear in these entries

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

The extended resin chip is listed in OK Lab's own online store.

(Source: ok-lab's diary, published November 2019)
https://ok-lab.hatenablog.com/entry/2019/11/09/132111

(Source: ok-lab's diary, published January 2024)
https://ok-lab.hatenablog.com/entry/2024/01/27/123012

Products the diary mentioned as alternatives

The diary names no alternative.

The custom long, vibrating, twist, curved screw, sea-slug, and wire designs in these reports are historical builds. No matching product can be confirmed on the current list.

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Common worries about dry orgasms and male squirting

Readers asked what the fluid was, whether different shapes were possible, and whether chips would stay in place.

"Is male squirting fluid necessarily something other than urine?"

In an entry published in December 2018, a reader described a large, unexpected fluid release and asked what it was. They believed it was neither semen nor urine, and it had not happened again. Mr. Okada thought 100cc of fluid other than urine was unlikely.

That figure came from his reply, rather than a recorded measurement from the customer. He nevertheless suggested valuing the squirting experience without insisting that the liquid was something other than urine.

(Source: ok-lab's diary, published December 2018)
https://ok-lab.hatenablog.com/entry/20181222/1545459719

"Can dry orgasms justify ordering a resin twist chip?"

An entry published in August 2019 describes a customer requesting a resin twist after success with a custom glass version. The first glass test caused bleeding; a later test reportedly produced 30–40 dry orgasms in about 2 hours. They found a screw-shaped chip less satisfying.

Mr. Okada explained that a sharp twist either lost its shape while soft or weakened the resin after partial hardening. For those strength reasons, he declined the requested resin version.

(Source: ok-lab's diary, published August 2019)
https://ok-lab.hatenablog.com/entry/2019/08/24/125858

"Do dry orgasms mean a chip will stay in place?"

A reader in an entry published in November 2019 asked about longer-lasting placement after intense sensations with a single glass chip. The chip moved during urination, and soreness ended the session. Mr. Okada replied that urination opens the sphincter, allowing the chip to move downward.

The diary does not record which replacement the customer chose. He cautioned against force when the urethra was dry.

(Source: ok-lab's diary, published November 2019)
https://ok-lab.hatenablog.com/entry/2019/11/09/132111

"Does a stopper prevent bladder slippage during dry orgasms?"

In an entry published in January 2024, a customer sought stimulation near the bladder after their existing chip sometimes slipped inside. They asked whether a stopper could hold the extended resin model in the position they imagined. Mr. Okada said its rear bulge was intended to remain before the sphincter.

His experience did not establish whether a stopper would hold after the whole chip crossed. The diary does not record a result with the proposed model. He cautioned that passing the whole chip beyond the sphincter made bladder slippage especially likely during extended use.

(Source: ok-lab's diary, published January 2024)
https://ok-lab.hatenablog.com/entry/2024/01/27/123012

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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.