Robotic Arm Surgical Support System for Knee Replacement

Open tender

Japanese title: 導入計画物品及び数量人工膝関節置換術支援ロボット一式

Procurement of a robotic arm surgical support system capable of assisting total hip and knee arthroplasty. The system must support preoperative CT-based 3D bone modeling, surgical planning, intraoperative registration, and safe bone resection assistance. The delivery is planned for fiscal year 2027 starting April.

Medical Healthcare

Key Details

  • Source: Kanpo
  • Notice type: Open tender
  • Publication date: August 3, 2026
  • Procuring entity: Izu Hitoshi, Vice President of Tohoku University
  • Submission deadline
  • Status: Active
  • Technology relevance: Possible
  • Business-action likelihood: Medium – The procurement is open and includes explanatory meetings, but specialized medical device regulations and local partnerships may be required.

Business Relevance

May interest companies providing advanced robotic surgical systems and medical imaging integration solutions for orthopedic surgery.

Participation fit

Participation is expected to require appropriate Japanese government procurement eligibility, or cooperation with a suitable Japanese partner holding the required qualification. The eligibility requirements have not been fully reviewed and should be verified against the official tender documents.

Official Source

This opportunity is based on a tender notice published in Kanpo, the official gazette of the Government of Japan.

  • Source: Kanpo, Government Procurement Notice Edition
  • Official category: 入札公告（建設工事） / Tender notice - construction work
  • Publication date: August 3, 2026
  • Publication: Kanpo, pages 62

Full English Translation

The following English translation was prepared from the original Japanese notice published in Kanpo. Where an official English summary appears in the Kanpo publication, it was used only for verification; the translation below is based on the Japanese source text.

Tender Notice
(Construction Work) The following is subject to open competitive bidding. August 3, 2026 Vice President of Tohoku University, Izu Hitoshi ◎ Procurement agency number 415 ◎ Location number 04 〇 No.1 Procurement content
(1) Item classification numbers 22, 31
(2) Introduction plan goods and quantity: Complete robotic arm surgical support system for total knee arthroplasty (TKA)
(3) Procurement method: Purchase etc.
(4) Planned introduction period: From April of fiscal year 2027
(5) Basic required specifications: A. A robotic arm surgical support system capable of supporting both total hip arthroplasty (THA) and total knee arthroplasty (TKA). B. Functionality to create a 3D bone model using preoperative CT images and to establish a preoperative plan. C. Ability to simulate bone resection range, implant size, and placement position based on the preoperative plan. D. Function to register patient skeletal information intraoperatively (registration) and to match the preoperative plan with actual anatomical position with high accuracy. E. Bone resection support function by robotic arm with a safety mechanism to suppress resection outside the range set in the preoperative plan.
2 Provision of materials and comments:
Invitation to provide general reference materials related to the goods in 1(2), comments on the required specifications in 1(5), and materials related to available libraries etc.
(1) Deadline for provision of materials etc.: September 18, 2026, 17:00 (must arrive by mail if sent by post)
(2) Provision destination: Procurement Section, Accounting and Procurement Division, Kagoshima University Hospital, 8-35-1 Sakuragaoka, Kagoshima City 890-8520, Contact: Yuichiro Shimana (Person in charge: Kenshi Toyoshima), Tel: 099-275-5043 Date: Monday, August 3, 2026 (Extra Government Procurement No.)
3 Distribution of explanatory documents:
Explanatory documents for introduction will be distributed to suppliers applying based on this publication.
(1) Distribution period: August 3, 2026 to September 18, 2026.
(2) Distribution location: Same as 2(2) above.
4 Holding of explanatory meeting:
An explanatory meeting based on this publication will be held.
(1) Date and time: August 19, 2026, 15:00
(2) Location: Kagoshima University Hospital, Building A, 6th floor, 2nd conference room
5 Others:
Details of this introduction plan are according to the explanatory documents. This publication content is tentative and subject to change.

Show original Japanese notice

入札公告(建設工事)

次のとおり一般競争入札に付します。 令和8年8月3日国立大学法人東北大学副学長伊豆仁志
◎調達機関番号415 ◎所在地番号04
〇第1号

1 調達内容

(1) 品目分類番号　22、31

(2) 導入計画物品及び数量人工膝関節置換術支援ロボット一式

(3) 調達方法購入等

(4) 導入予定時期令和9年度4月以降

(5) 調達に必要とされる基本的な要求要件A人工股関節全置換術(THA)および人工膝関節全置換術(TKA)の双方に対応可能なロボティックアーム手術支援システムであること。 B 術前CT画像を用いて三次元骨モデルを作成し、術前計画を立案できる機能を有すること。 C 術前計画に基づき、骨切除範囲、インプラントサイズおよび設置位置をシミュレーションできること。 D 術中に患者骨格情報を登録(レジストレーション)し、術前計画と実際の解剖学的位置を高精度に一致させる機能を有すること。 E ロボティックアームによる骨切除支援機能を有し、術前計画で設定した範囲外への切除を抑制する安全機構を備えること。 2資料及びコメントの提供方法上記1
(2)の物品に関する一般的な参考資料及び同
(5)の要求要件等に関するコメント並びに提供可能なライブラリーに関する資料等の提供を招請する。

(1) 資料等の提供期限令和8年9月18日17時00分(郵送の場合は必着のこと。)

(2) 提供先 〒890-8520鹿児島市桜ケ丘8- 35-1鹿児島大学病院経理調達課調達係島名祐一郎(担当:豊島剣士) 電話099-275-5043 3説明書の交付本公表に基づき応募する供給者に対して導入説明書を交付する。

(1) 交付期間令和8年8月3日から令和8年9月18日まで。

(2) 交付場所上記2
(2)に同じ。 4説明会の開催本公表に基づく導入説明会を開催する。

(1) 開催日時令和8年8月19日15時00分

(2) 開催場所鹿児島大学病院A棟6階第二会議室

5 その他この導入計画の詳細は導入説明書による。なお、本公表内容は予定であり、変更することがあり得る。

Disclaimer

This page is based on the official Kanpo tender notice, with translation and a preliminary business assessment by I.J. Do. The official Japanese notice and tender documents are binding.

JBid is a beta technology-procurement intelligence service by I.J. Do.

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