{"id":20751,"date":"2026-01-21T16:29:51","date_gmt":"2026-01-21T15:29:51","guid":{"rendered":"https:\/\/thesmartcityjournal.cibeles.net\/sin-categoria\/restoring-surgeons-sense-of-touch-with-robotic-fingertips\/"},"modified":"2026-01-21T16:31:07","modified_gmt":"2026-01-21T15:31:07","slug":"restoring-surgeons-sense-of-touch-with-robotic-fingertips","status":"publish","type":"post","link":"https:\/\/www.thesmartcityjournal.com\/en\/robotics\/restoring-surgeons-sense-of-touch-with-robotic-fingertips","title":{"rendered":"Restoring surgeons\u2019 sense of touch with robotic fingertips"},"content":{"rendered":"

Researchers are developing robotic \u201cfingertips\u201d that could give surgeons back their sense of touch during minimally invasive and robotic operations<\/span><\/i><\/p>\n

Modern surgery has gone from long incisions to tiny cuts guided by robots and AI. In the process, however, surgeons have lost something vital: the chance to feel inside the body directly. Without palpation, it becomes harder to detect tissue abnormalities during an operation.<\/span><\/p>\n

A group of surgeons and engineers across Europe is now trying to bring back this vital aspect of surgery.<\/span><\/p>\n

Working within an EU-funded research collaboration called PALPABLE, they are developing a soft robotic \u201cfingertip\u201d that can sense how firm or soft tissue is during minimally invasive and robotic surgery. The research runs until the end of 2026, with a first prototype expected to be tested by surgeons around March 2026.<\/span><\/p>\n

By combining optical sensing, soft robotics and AI, the team is designing a probe that mimics the way a fingertip presses and feels during surgery. It would gently probe organs and create a visual map of tissue stiffness, displayed on a screen to guide surgeons as they operate.<\/span><\/p>\n

Losing the surgeon\u2019s touch<\/h2>\n

For many surgeons, the loss of direct touch has been one of the quiet trade-offs of modern surgery.<\/span><\/p>\n

\u201cWe started 30 years ago with open surgery and using our fingers,\u201d said Professor Alberto Arezzo from the University of Turin, Italy. He specialises in minimally invasive and robotic surgery and mostly treats patients with colorectal cancer.<\/span><\/p>\n

\u201cThen we moved into the era of keyhole surgery, which reduced tactile feedback because we began to use long instruments,\u201d he said.<\/span><\/p>\n

From the 1990s, keyhole surgery became increasingly common, allowing surgeons to operate through small incisions with the help of a camera. Patients benefited from less trauma, shorter hospital stays and faster recovery.<\/span><\/p>\n

But this came at the expense of physical touch. That matters because tumours often feel different from healthy tissue \u2013 stiffer, less pliable or irregular \u2013 important differences that experienced hands can detect.<\/span><\/p>\n

Finding tumour margins<\/h2>\n

When operating on cancer, surgeons walk a fine line: remove too much tissue and function may suffer; remove too little and cancer may remain, and then spread again, requiring more surgery.\u00a0<\/span><\/p>\n

\u201cWe don\u2019t want to do that. We want it done in one shot,\u201d said Dr Gadi Marom at Hadassah Medical Centre in Jerusalem, one of the clinicians involved in the research, who specialises in minimally invasive and robotic surgery on patients with stomach and oesophagus diseases.\u00a0<\/span><\/p>\n

This is where sensing technology could help. By translating physical contact into visual information, such as a colour-coded map showing softer and firmer areas, surgeons could regain a functional equivalent of touch.\u00a0<\/span><\/p>\n

\u201cWith a new instrument, we want to be able to determine the margins around a tumour,\u201d said Marom.<\/span><\/p>\n

Using light to feel<\/h2>\n

To do that, engineers on the team are turning to light.<\/span><\/p>\n

The probe they are developing contains fibre-optic cables embedded in a soft, flexible tip. When pressed against tissue, the tip deforms and the light travelling through the fibres changes.<\/span><\/p>\n

\u201cA silicone dome presses against soft tissue, allowing us to map both the direction and the magnitude of the applied force,\u201d explained Dr Georgios Violakis at Hellenic Mediterranean University in Heraklion, Crete.\u00a0<\/span><\/p>\n

Those tiny shifts in light intensity and wavelength are then translated into information about tissue stiffness.<\/span><\/p>\n

In the lab, the team has already built and calibrated early versions of the soft membrane and light-based sensors, with partners contributing across the system.<\/span><\/p>\n

Queen Mary University of London (UK) is helping design and refine the membranes, the Fraunhofer Institute (Germany) is developing the functional films, while Bendabl (Greece), Tech Hive Labs (Greece) and the University of Essex (UK) are advancing the software needed to visualise stiffness and tactile maps.<\/span><\/p>\n

The prototype will be validated in lab tests before it is used on patients.<\/span><\/p>\n

The fibre\u2011optic cables are each about the width of a human hair. Similar sensing technology has long been used to detect small movements in large structures such as aircraft, skyscrapers and nuclear reactors. Here it is being applied on a much smaller scale to detect subtle differences in human tissue.\u00a0<\/span><\/p>\n

\u201cFor touching organs inside an anaesthetised patient, the device needs to be both highly accurate and high resolution,\u201d said Professor Panagiotis Polygerinos, a soft robotics researcher at Hellenic Mediterranean University.\u00a0<\/span><\/p>\n

\u201cSomething like this might have been possible sooner, but the technology would have been far more expensive and less precise, making it impractical for clinical use.\u201d\u00a0<\/span><\/p>\n

Bringing touch to robots<\/h2>\n

As surgery grows increasingly robotic, the loss of tactile feedback is becoming more pressing \u2013 and restoring a sense of touch even more vital.<\/span><\/p>\n

\u201cWhen I operate with a robot I have the advantage of 3D vision,\u201d said Marom. \u201cAnd I don\u2019t have to stand for the entire surgery.\u201d That matters in long procedures, such as removing a patient\u2019s oesophagus, which can take up to eight hours.<\/span><\/p>\n

Robotic surgery also raises new possibilities. Marom hopes it may eventually allow surgeons, in carefully selected cases, to remove small tumours from the oesophagus without removing the entire organ.<\/span><\/p>\n

But there is a downside.<\/h2>\n

\u201cIn robotic surgery, tactile feedback is largely absent,\u201d said Arezzo. \u201cThat\u2019s why this work is so important.\u201d<\/span><\/p>\n

Both surgeons believe robotics will continue to expand in operating theatres, but only if surgeons are given better sensory information.<\/span><\/p>\n

\u201cSooner or later, I believe the vast majority of surgeries will be robotic,\u201d said Arezzo.<\/span><\/p>\n

For Marom, working closely with engineers has been essential. \u201cI am exposed to soft robotics and many new technologies,\u201d he said. \u201cI see how new instruments can be developed.\u201d<\/span><\/p>\n

\u201cThe bottom line is that we will be able to give better care to our patients,\u201d he added.<\/span><\/p>\n

Research in this article was funded by the EU\u2019s Horizon Programme. The views of the interviewees don\u2019t necessarily reflect those of the European Commission. If you liked this article, please consider sharing it on social media.<\/span><\/p>\n

Text. Anthony King<\/i><\/b><\/p>\n

This article was originally published\u202fin Horizon the EU Research and Innovation Magazine<\/i><\/b><\/p>\n

This article was originally published\u202fin\u00a0<\/span><\/i>Horizon<\/span><\/i><\/a>\u00a0the EU Research and InnovationThis article was originally published\u202fin\u00a0<\/span><\/i>Horizon<\/span><\/i><\/a>\u00a0the EU Research and Innovation<\/span><\/i><\/p>\n","protected":false},"excerpt":{"rendered":"

Researchers are developing robotic \u201cfingertips\u201d that could give surgeons back their sense of touch during minimally invasive and robotic operations Modern surgery has gone from long incisions to tiny cuts guided by robots and AI. In the process, however, surgeons have lost something vital: the chance to feel inside the body directly. Without palpation, it\u2026<\/p>\n","protected":false},"author":2,"featured_media":20750,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_scj_primary_category_id":57,"_scj_featured":false,"_scj_featured_from":"","_scj_featured_until":"","_scj_featured_order":0,"_scj_visibility_class":"current","_scj_layout_family":"standard","_scj_article_style":"","_scj_display_overrides":[],"_scj_intro_image_id":20750,"_scj_intro_alt":"Restoring surgeons\u2019 sense of touch with robotic fingertips","_scj_intro_caption":"","_scj_intro_class":"","_scj_intro_float":"","_scj_full_image_id":20750,"_scj_full_alt":"Restoring surgeons\u2019 sense of touch with robotic fingertips","_scj_full_caption":"","_scj_full_class":"","_scj_full_float":"","_scj_media_type":"","_scj_media_provider":"","_scj_media_external_id":"","_scj_media_url":"","_scj_media_poster_id":0,"_scj_media_width":0,"_scj_media_height":0,"_scj_media_aspect_ratio":"","_scj_media_description":"","_scj_gallery_items":[],"_scj_related_post_ids":[],"_scj_additional_authors":[],"scj_layout_family":"standard","scj_media_provider":"","scj_media_url":"","scj_full_caption":"","footnotes":""},"categories":[57],"tags":[3150,237,3237,3239,3236,3238],"class_list":["post-20751","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-robotics","tag-agricultural-technology","tag-eu-research","tag-minimally-invasive","tag-palpable","tag-soft-robotics","tag-tactile-sensors"],"yoast_head":"\nRestoring surgeons\u2019 sense of touch with robotic fingertips - thesmartcityjournal.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thesmartcityjournal.com\/en\/robotics\/restoring-surgeons-sense-of-touch-with-robotic-fingertips\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Restoring surgeons\u2019 sense of touch with robotic fingertips - thesmartcityjournal.com\" \/>\n<meta property=\"og:description\" content=\"Researchers are developing robotic \u201cfingertips\u201d that could give surgeons back their sense of touch during minimally invasive and robotic operations Modern surgery has gone from long incisions to tiny cuts guided by robots and AI. 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