Medical Utena （Medical equipment etc.)

MEDICAL UTENA

Seismic isolators protect medical equipment (mainly dialysis machines) from earthquakes. It is installed under the medical equipment to prevent it from tipping over.
It has passed vibration tests using various seismic waves, including Kobe waves (Great Hanshin-Awaji Earthquake).
It is rust-proofed against water and chlorinated chemicals used in treatment.
Maintenance free, no running costs.

Product Overview

Photo: Courtesy of Nikkiso Co.

Product name

Medical Utena

model number

SUM series (stroke 250mm)

MU-909,MU-9010,MU-9011,MU-9012
MU-1209,MU-1210,MU-1211,MU-1212
MU-1409,MU-1410,MU-1411,MU-1411

SUM-1612SUL series (stroke 335mm)

MUL-909,MUL-9010,MUL-9011,MUL-9012
MUL-1209,MUL-1210,MUL-1211,MUL-1212
MUL-1409,MUL-1410,MUL-1411,MUL-1411

forte

Kobe wave: "818gal" reduced to "140gal

The following table shows the vibration test results for the 1995 Hyogo-ken Nanbu Earthquake (Great Hanshin-Awaji Earthquake).

(Demonstrated through joint research with NTT Facilities, Inc.)

Fail-safe design

It is also possible to secure the seismic isolator and mounted equipment. This reduces the risk of tipping over in the event of an earthquake that exceeds the seismic isolation performance range. (Depending on installation conditions, anchoring of the seismic isolators or use of the optional anti-tipping plate is recommended.)

Return-to-home system to cope with frequent earthquakes after a major quake.

Because of the circular arc rail, the seismic isolator returns to its point of origin by gravity when the seismic shaking ceases. Therefore, the performance remains unchanged even in frequent earthquakes after a major quake. A seismic isolator that is significantly displaced from its point of origin will not perform as it should during the next earthquake, increasing the risk of tipping over or damaging mounted equipment.

Drip-proof and rust-proof with stainless steel cover as standard equipment

メディカルウテナは医療現場で使用する水や塩素系薬剤がかかっても問題ないように、本体はカチオン塗装、駆動部のローラーはステンレス仕様とし、加えて免振台の盤面のカバーをステンレス製にすることで、防滴、防錆対策を備えた免震装置となりました。

Structure and Specifications

  • The cover and rails are made of stainless steel, and other parts are coated with cationic paint used for painting cars to provide high corrosion resistance. 
  • The friction type damper (friction roller damper) changes the amount of damping in accordance with the loaded load. In addition, the use of arc rails ensures stable seismic isolation performance regardless of the loaded load.

*The colors are colored to make it easier to understand the internal structure, and the colors differ from the actual product.

*Designs can be made to match the installed equipment and installation location.

Case Studies

Examples of Earthquake Countermeasures

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