Hydrogen or Silicone-Based Sealants Are Emerging Trends in Biomedical Sealant
A biomedical sealant is an in-plant surgical equipment usually
used during open heart surgery. It is a thick preformed rigid polymer tape that
is applied over a surgical site to augment surgical staples and sutures to
prevent air and fluid leaks. It is useful in protecting the heart from the
effects of extended open heart surgery or from damage due to incorrect open
heart surgery techniques. It also helps in maintaining the healing process of
the patient's damaged heart muscle after the procedure. Surgical seals provide
a minimal amount of pain relief during and after the procedure, thus allowing
patients to recover comfortably and fast.
Biomedical sealants can either
be hydrogen or silicone-based. The type of sealing agent will depend on factors
such as the type of procedure, the patient's anatomy, the depth of the incision
and surgical wound closure. These types of materials differ in chemical
composition and density and therefore are suited for different uses.
An all-natural, high-quality sealant product from bovine adhesive is
a good option if you want to avoid irritations to your skin while adhering to
your wound's natural properties. This bovine adhesive provides high levels of
adhesion, texture and flexibility. It provides excellent resistance to ozone
and UV exposure, which makes it suitable to seal skin in recovery and maintenance
rooms. In addition, bovine adhesives have no effect on the functionality of
antibiotics.
A wide range of surgical sealants are available today, including
some with a silicone threading base, and some are made of an advanced material
called Thermoplastics. For instance, in December 2019, Ethicon, part of the
Johnson & Johnson Medical Devices Companies, launched VISTASEAL Fibrin
Sealant (Human) to help surgeons manage bleeding during surgery. The most
convenient and widely used adhesive varieties are the in-process and modified
oil seals. Processed oil sealants contain adhesive amides and polyols, whereas
modified oil sealants include the thermoplastic gum. Both process and modified
oils are easily absorbed by the patient's skin, and both have excellent chemical
and physical properties.
Biomedical
sealants come in various compositions, ranging from low-density (thickness)
emulsions, to ultra-low-density (thickness). Thinner versions are also available
as 'gummy' variety and are ideal for use in surgical vaults. Some sealants,
including low-density liposome, also have the property to form adhesives and
adhere to a wound's natural structure better than ordinary sealants. Moreover,
these gum like versions can be applied and removed more quickly than gummy
versions. Some sealants, including Phosphate Salicylate Surfactant, have other
clinical applications as well and are used in conjunction with standard wound
closure techniques such as gauze, tissue paper and bandages.
Whether or not a surgical adhesive is required depends upon the
type of procedure undertaken. It can either prevent the absorption of
contaminated fluids or reduce pain and blood loss during procedures involving
local or superficial bleeding, for example. In cases where incisions are
required to close the wound or to remove a foreign body, the adhesive can also
facilitate wound closure. It can even be used to stop bleeding and help protect
tissues from foreign particles that could cause contamination of the site.
Whatever its exact role, a good surgical adhesive will be instrumental in
helping surgeons and their patient achieve an outstanding result.
Lack of proper reimbursement policies is expected to limit
adoption of biomedical sealants. Various medical and dental treatments such as
implants and periodontal surgeries still lack proper reimbursement in developed
nations such as the U.S., France, Germany, the U.K., Spain, Italy, Japan and
Australia. However several M&A activities are expected to aid growth of the
market for biomedical sealants. For instance, in January 2019, Advanced Medical
Solutions Group plc acquired Sealantis, an Israel-based medical device company
with a patent-protected internal sealant technology platform.
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