By Rick Fromme
Photo Credit: activistpost.com |
Welcome to another segment of our medical device series,
“Fascinating Captain!” This month’s article deviates slightly from previous
ones in that not all the synopses below pertain to new, cutting-edge healthcare
equipment. Some of the information focuses
on a “standard” surgical procedure that is now being executed using robotic surgery,
or the importance of a key component used in thousands of different medical devices, or
new guidelines pertaining to medical devices regarding cybersecurity. Nonetheless, I think you'll still find that this month's segment "Spock's" your interest.
Robotically Assisted Cardiac Bypass Surgery Offers Several
Advantages
Robotically assisted coronary artery bypass grafting (CABG)
surgery is a rapidly evolving technology that can shorten hospital stays and
reduce the need for blood products, while decreasing recovery times.
Importantly, it can also make the complicated procedure quicker, safer and less
risky.
According to the Canadian Cardiovascular Congress:
"Robotically assisted CABG is a safe and feasible alternative approach to
standard bypass surgery in properly selected patients. It is a less traumatic
and less invasive approach than regular CABG," says cardiac surgeon and
researcher Dr. Richard Cook of the University of British Columbia. "It may
reduce complications following surgery, and in the Canadian experience, has
been associated with an extremely low mortality rate."
Photo Credit: ucdmc.ucdavis.edu |
Robotically assisted Minimally Invasive Direct Coronary
Artery Bypass (MIDCAB) is a procedure in which the surgeon makes several tiny
incisions between a patient’s ribs, then inserts small robotic arms and a small
camera through the incisions. Special
tools stabilize the part of the heart on which the surgeon must work, which
enables the heart to continue beating throughout the procedure, unlike
traditional CABG procedures.
Robotic surgery also offers several technical advantages to surgeons,
including a magnified 3D view of the patient's heart, as well as the
elimination of any kind of tremor, which makes for precise incisions.
For this study, 300 patients (men and women 60 years or
older) underwent robotically assisted CABG at three hospital sites in Canada.
The doctors performed the surgery using the da Vinci Surgical System.
There were no deaths in this group of patients, with only
one patient developing a deep wound infection after the procedure.
There was also less blood loss, which translated into a
lower need for blood products. The more precise incisions also caused less
cosmetic scarring.
With traditional coronary artery bypass graft surgery, the
average hospital stay is five to six days. With the robotically assisted
surgery, that was cut to an average of four days, sometimes even less. Patients from the study
reported being back to near normal levels of activity within a couple of weeks.
With standard CABG, patients are asked to avoid driving or lifting any weights
over 10 pounds for six weeks.
A Wearable Pill-Bottle Device
Photo Credit: amiko.io |
- Medication Tracking
- Intake and refill reminders
- Real-time guidance and alerts
- Reports history and constant connection to caregivers
Studies show that something as simple as getting patients to
take their medications, on time, in the right order, and in the proper amount,
could actually prevent as many as 125,000 deaths per year in the U.S. Prescription non-adherence results in $100
billion annually in excess hospitalization costs, and when all economic
implication are considered, the problem may cause as much as nearly $300
billion in annual medical spending.
Amiko is an affordable, lightweight sensor-packed plastic
sleeve that is specially designed to fit on five common types of medicine
packaging. Amiko is placed on medicine
packaging and detects both motion and the angle of motion using its MEMS
sensors, accelerometer and gyroscope. It tracks the medicine taken and sends
information to a connected app available to patients and caregivers.
Amiko’s product senses movement of the pill bottle and other
dispensers, so it’s not reliant on the patient self-reporting that they’ve
taken their medication. Other solutions tend to rely on a smartphone
application and are both disconnected from the act of taking medication itself,
and reliant upon someone (usually the patient) to manually input the data.
There are both health and economic implications from using
Amiko. On a personal level, it ensures medication is being taken. It also makes
the pharmacy process far more efficient in that reorders can happen
automatically, which can also reduce costs.
Pulsing Magnetic Waves in the Brain Could Help Heavy Smokers
Ditch Their Habit
Photo Credit: nocamels.com |
In the study, which experts say is the most rigorous test of
the technology to date, 44% of a group of heavy smokers who had failed to quit
using other methods were finally able to stop after a few weeks of
treatment. One third of the smokers who
were treated had still not lit up six months later. It may not sound like a high success rate,
but failure rates of other anti-smoking methods can reach about 90%.
Heavy smokers who failed previous attempts to stop smoking
with medications, with nicotine patches, with psychotherapy all were able to
quit after undergoing treatment with the machine, which is being tested at the Ben-Gurion University of the Negev. (For more information about
Israeli healthcare innovations, see our previous blogs, “Which
Young Country Leads the World in Medical Technology?” and “Israel
― The Land of Milk and Honey & Med Tech.”)
The magnetic current method stimulates regions of the brain
that are central to addiction, using a specially designed helmet. It is able to turn the brain regions’
electrical activity up or down, which makes quitting easier. Based on the results of the study, published
in the journal “Biological Psychiatry” this past summer, the FDA is now testing
the machine for approval.
The Deal with Seals
Photo Credit: mddionline.com |
Seals play a vital role in a wide range of medical devices.
They’re ubiquitous; found everything from syringes, to insulin pumps, to
surgical power tools, imaging devices and more. Seals are used where liquids or
gases are pumped, drained, transferred, contained, evacuated, or dispensed.
Their primary functions are to keep out contaminants and protect both patients
and devices from potentially harmful leakage.
For OEMs, selecting the correct seal in terms of design and
materials is paramount as it influences both the life of the product and the
ability to prevent friction, which in turn, helps to eliminate wear. The
ability to seal and aperture and long life can be inversely proportional. That
is, better seals usually create more surface contact, which increases friction
and therefore expedites wear.
When selecting seals, a manufacturer must understand the
entire physical application requirements such as hardware specifications, media
contact, temperature, motion, pressure or vacuum and the required life of the
seal.
OEMs should also consider whether the finished device will
be subject to sterilization and, if so, which method will be used. When designing a complex medical device,
choosing a seal may seem like a small matter, but it’s one OEMs should take
seriously.
Cybersecurity for Medical Devices
Photo Credit: exclusive.mulitbriefs.com |
Cybersecurity issues pertaining to the healthcare industry
has become a major concern as of late (read our previous blog, “Health
Care Scare: Medical Identity Theft.”)
In fact, the FDA states on its website: “There is no such
thing as a threat-proof medical device,” says Suzanne Schwartz, MD, MBA,
director of emergency preparedness/operations and medical countermeasures at
the FDA’s Center for Devices and Radiological Health. “It is important for
medical device manufacturers to remain vigilant about cybersecurity and to
appropriately protect patients from those risks.”
Just recently, the FDA released guidelines
regarding the security of medical devices.
Among its recommendations:
“Manufacturers should address cybersecurity during the
design and development of the medical device, as this can result in more robust
and efficient mitigation of patient risks. Manufacturers should establish
design inputs for the device related to cybersecurity and establish a
cybersecurity vulnerability and management approach as part of the software
validation and risk analysis that is required by 21 CFR 820.30 (g) [21 CFR Part
820 – Quality Systems Regulations: 21 CFR 820.30 Subpart C – Design Controls of
the Quality System Regulation] The approach should appropriately address
the following elements:
- Identification of assets, threats and vulnerabilities;
- Assessment of the impact of threats and vulnerabilities on device functionality and end user/patients;
- Assessment of the likelihood of a threat and of a vulnerability being exploited;
- Determination of risk levels and suitable mitigation strategies;
- Assessment of residual risk and risk acceptance criteria.”
The Agency recommends that medical device manufacturers
consider the following cybersecurity framework core functions to guide their
cybersecurity activities: Identify and Protect; Detect, Respond and Recover.
In this seventh edition of our ongoing series, “Fascinating
Captain!” I shared with you some of the innovative medical devices and procedures
that are at the forefront of healthcare today, from robot-assisted cardiac
bypass surgery to electronic devices to help people quit smoking. I also
discussed key issues pertaining to medical device manufacturers such as seals and
the FDA’s new recommendations pertaining to medical device cybersecurity. The diversity of medical device inventions
and procedures throughout the world helps many of us to "live long and prosper.” If
you found this article interesting and useful, please share it with your
colleagues and friends. As always, I’m
eager to read your comments and questions below.
Rick Fromme
combines entrepreneurial enthusiasm with an insider's knowledge of the medical
industry to co-found MedMasters.com. Both his
drive and perspective helps provide health care professionals with a superior
mechanism with which to communicate, network and market their strengths. Prior
to founding MedMasters.com, Rick operated a highly successful
medical device distributorship. Other milestones in his 12-year career in the
medical industry include a key position at a medical
device start-up company that was later sold to the Ethicon
Endo division of Johnson & Johnson. You may also reach Rick
by connecting with him on Facebook, Twitter, Google+, LinkedIn and YouTube.
Such interesting devices being created and modified to help with the ever-growing world we live in! The magnetic waves device to help smokers quit seems very powerful and hopefully very helpful!
ReplyDeleteHacking if medical devices is one area that people are going to need to address in the not too distant future.
ReplyDeleteThere is a good reason this series is call fascinating, its because it is!
ReplyDeleteAlmost makes me look forward to CABG surgery (not really), but seriously, the depth of knowledge here is obvious, and fascinating just scratches the surface! Very well done.
ReplyDelete