Artificial thumb model for studying joint movement activity

Translated title of the contribution: Rokas īkšķa mākslīgais modelis locītavu kustību aktivitātes pētīšanai

Dzintars Ozols (Inventor), Aigars Pētersons (Inventor), Jānis Zariņš (Inventor)

Research output: Intellectual propertyPatent


The invention applies to medicine, particularly to the reconstructive microsurgery.
Artificial model of the thumb made from silicone and polyurethane materials and consist of metatarsal bone, arthrodesis place, carpometacarpal joint, base phalange, middle phalange, proximal phalange, flexor tendon, extensor tendon tunel, moving joints, artificial skin, fixator and tray. Invented model allows to evaluate the first finger joints functions such as flexion, extension and in the same time to established maximal tension force for the flexor tendons and ligament structures witch also take part in thumbs movements before second toe‑to hand with metatarsophalangeal joint transplantation in thumb hypoplasia patients.
Translated title of the contributionRokas īkšķa mākslīgais modelis locītavu kustību aktivitātes pētīšanai
Original languageLatvian
Patent number15420
IPCA61B5/103 ,A61F2/50
Priority date10/12/18
Filing date10/12/18
Publication statusPublished - 20 Mar 2020


  • Artificial thumb model

Field of Science*

  • 3.1 Basic medicine

Patent expiration date

  • 01.07.2021


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