Artificial Disc Replacement Market to Register Substantial Expansion by 2025
Spinal discs act as
cushions or shock absorbers for the vertebrae and are located between
the bones or vertebrae of the spine. These discs are instrumental in
rendering flexibility and movement of the spinal column. There are
two major parts of discs namely, inner and outer portion. Inner
portion comprises a jelly like material while stronger and fibrous
material constitutes the outer portion of the discs. Due to aging,
these discs are subjected to tear or crack in the outer portion
resulting in degenerative disc disorders along with other
complications such as bulging out in the inner portion of the disc
resulting in pressure on the outer portion that leads to pain.
Artificial disc
replacement procedure is performed to replace the worn out tissues
while retaining the motion and functionality of the spine. This
results in reduced back pain and low risk for development of an
adjacent level of spine which is the degeneration of segments above
or below the implant. An artificial disc, a prosthetic device is
inserted between the vertebrae and results in replacement of natural
and defective spinal disc. In cases of failure of non-surgical
procedures, the doctors recommend spinal fusion surgery (traditional
procedure) for treating disc degenerative disorders.
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Spinal fusion
surgery involved the use of bone grafts along with screws and metal
plates and results in fusion of two adjacent vertebrae resulting in
stabilization of spine segment and reduces the back pain. However, it
results in lack of movement and flexibility in the vertebral segment.
Artificial disc replacement or arthroplasty is advantageous over the
conventional surgical procedures as it retains the mobility within
the disc space and throughout the vertebral segment.
There are two major
types of artificial discs such as nuclear prosthesis (designed to
replace inner core of a disc) and total disc prosthesis (designed to
replace full disc). These discs are composed of man-made materials
such as metal part of the disc and rubber polyethylene for the inner
core. Artificial disc replacement is recommended in the following
conditions:
In the U.S., the
clinical trials for the use of artificial discs and the approval by
Food and Drug Administration (FDA) require around 5 years. However
owing to earlier approvals and differences in the regulatory
scenario, the rate of usage and adoption of artificial discs in
European countries is considerably higher as compared to the United
States. The market for artificial disc replacement can be analyzed on
the basis of the indications for which the replacement procedure is
recommended and also analyzed by a regional distribution of the
market by four major geographies namely Europe, North America,
Asia-Pacific and RoW.
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The major factors
favoring the growth of the market are consistent technological
sophistications and increased benefits of artificial discs over the
conventional spinal fusion procedures. In addition, the increasing
number of patients suffering from disc degenerative disorders and
increased affordability of the patients further fuel the growth of
the market.
On the other hand,
unfavorable reimbursement scenario along with the risks associated
with replacement procedures and lack of expertise in performing the
procedure might hamper the growth of the market. Furthermore, high
costs involved in R&D along with high procedure costs might
negatively impact the growth of the market. Cervical disc Actif C (by
Aesculap) is cervical disc prosthesis used to treat degenerative
cervical disc disease and Alphate (Cervical disc Discovery), Cervical
Disc Altia (by Amedica Corporation) and Discover (by Depuy-Synthes)
are some of the artificial discs available in the market.
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