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Scientists use robot to conduct soft tissue surgery
Surgical equipment
Although robot-assisted surgery is becoming increasingly common, the execution of surgical tasks on soft tissue remains entirely manual.

Autonomous surgery may bring better efficacy and safety

Scientists in the United States have carried out robotic soft tissue surgery in a large animal for the first time.

A study published in the journal Science Translational Medicine describes how the scientists carried out supervised autonomous surgery in pigs.

Using a robot known as STAR (Smart Tissue Autonomous Robot), the scientists accessed the intestines of four pigs through a laparotomy and compared the procedure to a surgeon using standard surgical hand tools.

Researchers say that the results demonstrate that autonomous surgery can bring ‘better efficacy, safety, and access to the best surgical techniques regardless of human factors including surgeon experience’.

Although robot-assisted surgery is becoming increasingly common, the execution of surgical tasks on soft tissue remains entirely manual.

To see if the task could be performed by an autonomous machine, the scientists developed a soft tissue robot consisting of a lightweight robotic arm extended with a laparoscopic suturing tool.

Equipped with smart imaging technologies, the STAR robot then carried out various soft tissue surgical tasks and compared them to those of experienced surgeons. The robot is programmed by a computer that generates a plan to complete complex surgical tasks.

In the pig trials, the average STAR procedure took over 50 minutes, while the ‘open’ surgery took just eight. However, this is comparable to the average for clinical laparoscopic anastomoses that range from 30 to 50 minutes. No complications were observed in the seven days following surgery.

‘This task represents a proof of concept for all potential soft tissue surgical tasks requiring repetition precision, accuracy, and efficiency that can potentially benefit from autonomous or supervised autonomous functionality,’ the researchers conclude.

‘Further miniaturisation of tools and improved sensors will allow for wider use even at smaller scales.’

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Defra shares new Sanitary and Phytosanitary guidance

News Story 1
 Defra has published guidance for the vet sector ahead of a proposed UK-EU Sanitary and Phytosanitary agreement.

The agreement, which will change the movement and trade of animals and related products, could see reductions in checks, paperwork and certification. As well as describing regulatory developments, the advice highlights the importance of animal ID, registration and traceability in disease control and other compliance arrangements.

The guidance can be found here. More detail is expected as negotiations progress. 

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News Shorts
Lords Committee opens Pet Parasite Medication inquiry

The House of Lords Environment and Climate Change Committee will launch its inquiry into Pet Parasite Medication (PPM) on Wednesday (3 June).

Focusing on treatments containing fipronil and imidacloprid, the inquiry will seek to understand distribution pathways and the impacts of PPM use and non-use on biodiversity and human health. It will also cover current regulation, monitoring, and the potential implications for pets and their owners.

The committee will hear evidence from environmental non-governmental organisations and research institutes. The public can follow the proceedings live on Parliament TV or in person in the Palace of Westminster.