Technological Advantages

 

 

Vessel Sealing and Tissue Ablation

Current devices on the market use RF technologies with electrodes to sent electric current through the tissue.

ExpandoHeat technology devices do not use electrical current.

Instead, our technology utilizes microwave energy with microwave absorbing materials to transfer microwave energy to seal blood vessels or ablate the tissue. This accomplish by thermal conduction and microwave heating.

Advantages of ExpandoHeat’s vessel sealing technology over the leading RF devices include:

  • No smoke generation

  • No “Charring”; No “Sticking” (End-effector can be coated with non-sticking material like Teflon).

  • Minimal lateral thermal spread

  • No build-up eschar on electrodes affecting electrical conduction

  • Current RF devices can only seal vessels or ablate the tissue up to 7mm. Since our device does not depended of tissue electrical conductivity our devices can seal much larger vessels and we completely ablate tissue 40mm thick

  • Complete temperature control

During our in vitro study on bovine liver, we used forceps with Expandoheat technology. The result was full tissue ablation with 20mm, 30mm and even 40mm thick samples in short time period.

In another test we successfully ablated pig lung tissue and stomach tissue, which presents an opportunity for new surgical procedures as current ablation technology cannot be used for these applications.

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Tissue Ablation by Probe

The tissue ablation market is currently dominated by devices that employ a surgical antenna to ablate tissues using microwaves.

These instruments are very effective at creating homogenous zones of ablation regardless of tissue type.

One of the drawback is that current technologies are plagued with high reflective loss which occurs when microwave energy, instead of being transmitted to the tissues, ends up being absorbed as heat energy by the rod and antenna itself.

ExpandoHeat technology has dramatically reduced the reflective loss of our ablation probe and allowed using a multiple antennas without microwave interference. This process retains all the beneficial features of microwave ablation while simultaneously allowing for:

  • More efficient energy transformation resulting in shorter procedure times

  • Multiple probes can be run simultaneously resulting in shorter procedure times

  • Temperature control

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Surgical Stapling

The ExpandoHeat stapler is unlike any surgical stapler on the market today. Current staplers only use compression to provide hemostasis.

Our device combines compressive effects along with thermal heating to provide a hemostatic seal that:

  • Eliminates bleeding during surgical stapling (staple line bleeding and cut line bleeding) thereby reducing the chance of post-operative infections

  • Improves hemostasis in multiple tissue types with various thicknesses

  • Improves the quality of tissue seals and minimizes potential leakage

  • Strengthens tissue in proximity of knife cut line