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World's most affordable and reliable head impact sensors for concussion awareness. Works on any helmet. If it's red, check your head!
World's most affordable and reliable head impact sensors for concussion awareness. Works on any helmet. If it's red, check your head!
World's most affordable and reliable head impact sensors for concussion awareness. Works on any helmet. If it's red, check your head!
151 backers pledged $30,944 to help bring this project to life.

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Tozuda Head Impact Sensor for Concussion Awareness

$30,944

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What is a prototype?

A prototype is a preliminary model of something. Projects that offer physical products need to show backers documentation of a working prototype. This gallery features photos, videos, and other visual documentation that will give backers a sense of what’s been accomplished so far and what’s left to do. Though the development process can vary for each project, these are the stages we typically see:

Proof of Concept

Explorations that test ideas and functionality.

Functional Prototype

Demonstrates the functionality of the final product, but looks different.

Appearance Prototype

Looks like the final product, but is not functional.

Design Prototype

Appearance and function match the final product, but is made with different manufacturing methods.

Production Prototype

Appearance, function, and manufacturing methods match the final product.

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Prototype Gallery

These photos and videos provide a detailed look at this project’s development.

At Tozuda, we design head impact sensors to raise concussion awareness, indicate potential injury, and emphasize proper precautionary measures to aid injury recognition.

Tozuda sensors allow you to make safety a priority and keep your focus on the tasks that demand it. Ease your concussion worries in the activities you enjoy everyday. Our sensors are affordable, simple, objective, and versatile—ideal for any sport, commute, job-site, or service. All you have to do is remember our simple motto: 

At Tozuda, we manufacture head impact sensors with you, our user, in mind.

You don’t want complicated, so we made it simple. Just attach the sensor on to any helmet or headgear, and it will indicate when a sustained impact is potentially concussive. Easy to attach and easy to read, you’ll be sure to know when you need to take action.

You don’t want expensive, so we made it affordable. Eliminating electronic parts in our sensors makes sense for us both; we reduce costs by using only mechanical parts, and simplify the process by removing batteries, wifi, and charging from the equation. Additionally, our sensors can help you identify a concussion faster, saving you from spending more on medical costs and other indirect expenses that arise.

You don’t want a hidden injury, so we made it clear and tamper-proof. Tozuda sensors can’t be concealed, covered, or changed; indicating objectively and reliably when you should be assessed for a head injury. Our sensors are transparent by design—encouraging users, athletes, and coaches alike to be transparent about the severity of every impact sustained and the reality of traumatic brain injuries.

A Traumatic Brain Injury, or TBI, can devastate a career or an entire community, yet the stigma of these injuries can sometimes keep victims from speaking up or seeking help. Safety shouldn’t hold you back, and Tozuda sensors won’t. We created our sensors to fit onto any helmet and into any routine—giving you piece of mind without hindering your hustle. This means you can keep your focus on what matters, and spend less time bracing for a TBI.

CONCUSSIONS AND LOSS OF CONSCIOUSNESS—It is widely believed that concussions and TBIs must involve a loss of consciousness; however this is one of the main misconceptions that leads to delayed or missed diagnoses. The University of Pittsburgh Medical Center reports that more than 90% of concussions are not accompanied by a loss of consciousness. UPMC’s research also indicated that concussions diagnosed without a loss of consciousness could lead to longer recovery periods, compared to those whose concussions did involve unconsciousness.

CONCUSSION PROBABILITY—Research from the Department of Orthopaedics at Brown University details concussion probability based on the varying G forces of more than 161,000 tested collisions. According to this data, an impact with a measured acceleration of 75 Gs has a 50% chance of causing a concussion in adults. Tozuda sensors activate at 85 Gs; for adults, this would indicate a 60% likelihood of concussion.

SECOND IMPACT SYNDROME—While concussions can be damaging, second-impact syndrome is exponentially more dangerous. Second-impact syndrome, or SIS, occurs when one sustains a second concussion before an initial concussion has healed. SIS causes the brain to swell suddenly, and with devastating consequences. The majority of cases are fatal, and of the few survivors, most are left seriously disabled. With SIS, time between concussions can range from minutes to weeks; this is why it is so important to wait to return to play until a concussion or brain injury can fully heal.

SENSE—Tozuda sensors can detect forces in any direction within milliseconds of impact. Concussions occur when an impact to the head or body causes the brain to move inside of the skull; most concussions and traumatic brain injuries are caused by rotational and linear forces. Tozuda sensors withstand regular helmet use and minor impacts, but can detect when a hit is potentially concussive, such as a direct blow to the helmet, or a rotational hit which causes the head or neck to twist.

ACTIVATE—Our sensors are mechanically activated when linear or rotational accelerations exceed the threshold of 85 Gs of force. This trigger point was determined using data from the Department of Orthopaedics at Brown University which found that impacts of 75 Gs were 50% likely to be concussive. Direct contact and impact from inertial forces trigger the sensor to activate, meaning the sensor can detect concussive hits even when the head isn’t struck. Once activated, Tozuda sensors release a simple, non-toxic mix of liquid and dye, changing in color from clear to red.

INDICATE—Tozuda sensors measure the force of an impact and indicate when an athlete should be evaluated before returning to the field—no sensor on the market today is able to fully detect or prevent concussions. This allows users to clearly identify when an impact is especially dangerous–exceeding 85 Gs–and prevents users from exacerbating an injury when they might not even know they have one. With the ability to alert users of major linear and rotational forces, the sensors can clearly and reliably indicate a potential concussion, even when other symptoms aren’t present.

 SIMPLE—Tozuda sensors are easy to use and understand—with a straightforward attachment process and clear activation, our sensors make it obvious when you need to take action.

AFFORDABLE—Thanks to Tozuda’s patented technology, our uniquely designed sensors function reliably without the use of electronics, which keeps costs low for everyone.

OBJECTIVE—The sensors’ unambiguous indicator keeps athletes and coaches accountable about the severity of each and every impact. Anyone can intervene when a sensor has been activated, including teammates, coaches, referees, and even opponents.

VERSATILE—Our sensors’ versatile design brings safety and a sense of security to any setting—not only on helmets in sport, but also on hard hats in construction, or other headgear protecting you while on duty.

For those who are hard-headed like us, we know how difficult it can be to sit yourself out when you want to keep going. It isn’t easy to admit an injury, but denying a concussion can lead to extended symptoms and healing time, increased risk for further complications, and even death. As our founder Jessie puts it: “would you rather sit out the game or the season?” Our sensors give users the information they need to make informed decisions to protect their heads. By purchasing or gifting a head impact sensor, you can help spread concussion awareness and encourage others to take note.

 At Tozuda, we design tools to make the world safer. We make impact sensors to bring you peace of mind and alert you when an impact is potentially devastating, no matter the setting. Our team, fueled by the passion of our founder Jessie Garcia since 2015, aims to raise concussion awareness and help reduce the frequency of traumatic brain injuries and the severity of their impacts. Tozuda is based in Philadelphia and brings visibility to concussion awareness around the world. Our name, Tozuda, means hard headed (in a determined way!) and epitomizes our mission—to encourage you to STAY TOZUDA and never lose sight of your goals, no matter what gets in your way.

At Tozuda, we see the value in participating in sports and recreational activity—physically, mentally, and socially. Some of our fondest memories come from playing! Our goal is to continue encouraging sports participation while raising awareness of this one specific injury, concussions. Concussions are something to take seriously, the key to successful recovery is recognition and proper treatment. That is why we plan to:

  • Educate on the dangers, signs, and symptoms of TBIs and concussions 
  • Emphasize prevention and prioritizing safety to reduce the frequency of sustained brain injuries
  • Encourage users to get medical attention when needed and to prioritize the brain’s wellness along with the body's health
 
             

To contact our team, send us an email at info@tozuda.com.

For wholesale opportunities, contact John Pettit at jpettit@tozuda.com.

For media inquiries, contact Katie Burger at katie.burger@tozuda.com

Additional information can be found in our press kit or on our press page.

Risks and challenges

We are incredibly excited to be bringing the Tozuda Head Impact Sensor to you, the Team Tozuda community, this year. From the onset of this product, we were determined to make safety and head impact sensors accessible to everyone. More than 3 years of research, development, and testing have gone into this product’s core technology and we are positive it will be a great tool in all of your activities.

With that being said, we will be preparing for any issues that may arise during the campaign and regarding fulfillment. We are committed to your complete satisfaction with our head impact sensors. We plan on keeping all of our backers up to date on our manufacturing milestones and order updates.

PRODUCT MANUFACTURING—At Tozuda, we manufacture all of our sensor’s components in our facility in South Philadelphia, PA to maintain the utmost quality control of our sensor’s functionality. Each batch of sensors are tested and inspected prior to shipment. Moreover, we’ve field tested our sensor on over 300+ beta users who used our device in action who can attest to the quality product we produce.

We will be ordering all of our raw materials for our initial production run and cutting our injection mold plates upon the campaign’s success. We will then send out a survey to all our backers to make sure our device is calibrated appropriately for level of play. We will stay on top of our communications with our vendors to ensure a quick transition into production and assembly.

SHIPPING—As soon as your sensors have gone through our testing and quality control procedures, our team in Philadelphia will begin shipping packages to our backers.

QUALITY ASSURANCE—Our standard at Tozuda is to test and inspect each and every device we ship. We want our backers to feel completely satisfied with the Tozuda Head Impact Sensor. We will replace any defective device for a backer.

PRODUCT WARNING—WARNING: This device is intended to measure force of impact and is not a medical device or diagnostic tool by any meaning. Force of impact is one of many indications of potential injury and/or concussion. If any indications of a concussion are present, promptly see a licensed medical doctor for diagnosis and treatment. Use this device as directed and only for the use of measuring force of impact. You should seek medical attention for any injury or concussion that occurs while wearing this device. Tozuda has no control over the activities that may cause the injury or concussion and cannot provide any medical advice or treatment.

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Support

  1. Select this reward

    Pledge US$ 1 or more About US$ 1.00

    Team Tozuda Concussion Champion

    Every little bit counts towards making the Tozuda head impact sensors accessible to the entire community!

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    Pledge US$ 20 or more About US$ 20

    EARLY BIRD - Sponsor a player

    Love our cause? Don't wear a helmet? That's ok!

    Help us spread the word and sponsor a player today! We will match you with a worthy recipient, ship them a sensor, and list your name on our website hall of fame!

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  3. Select this reward

    Pledge $25 or more About $25

    EARLY BIRD! - Sensor just for you!

    Perfect for individual users who are cycling, commuting to work, or for any helmeted sports player.

    Includes:
    • Tozuda Head Impact Sensor
    • Adhesive backing for attachment
    • Instruction Booklet
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    Pledge $30 or more About $30

    Sensor just for you!

    Perfect for individual users who are cycling, commuting to work, or for any helmeted sports player.

    Includes:
    • Tozuda Head Impact Sensor
    • Adhesive backing for attachment
    • Instruction Booklet
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    Pledge $50 or more About $50

    EARLY BIRD! - For Contact Sports

    Perfect for users engaging in helmeted contact sports or extreme activities such as football, hockey, lacrosse, etc. This way you will always have a sensor for practice and gametime.

    Includes:
    • Tozuda Head Impact Sensor
    • Adhesive backing for attachment
    • Instruction Booklet
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    Pledge $60 or more About $60

    For Contact Sports

    Perfect for users engaging in helmeted contact sports or extreme activities such as football, hockey, lacrosse, etc. This way you will always have a sensor for practice and gametime.

    Includes:
    • Tozuda Head Impact Sensor
    • Adhesive backing for attachment
    • Instruction Booklet
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    Pledge $125 or more About $125

    EARLY BIRD! - Family Pack

    Perfect for the active family who enjoys biking, climbing, and playing together!

    Includes:
    • Tozuda Head Impact Sensor
    • Adhesive backing for attachment
    • Instruction Booklet
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    Pledge $150 or more About $150

    Family Pack

    Perfect for the active family who enjoys biking, climbing, and playing together!

    Includes:
    • Tozuda Head Impact Sensor
    • Adhesive backing for attachment
    • Instruction Booklet
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    Pledge $250 or more About $250

    EARLY BIRD! Extended Family Pack

    This pack is great for the team parent or coach who is always bringing the team together and wanting to improve their organization. With this pack, you have plenty of sensors for your player and their teammates.

    Includes:
    • 10× Tozuda Head Impact Sensor
    • 10× Adhesive backing for attachment
    • 10× Instruction Booklet
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    Pledge $300 or more About $300

    Extended Family Pack

    This pack is great for the team parent or coach who is always bringing the team together and wanting to improve their organization. With this pack, you have plenty of sensors for your player and their teammates.

    Includes:
    • 10× Tozuda Head Impact Sensor
    • 10× Adhesive backing for attachment
    • 10× Instruction Booklet
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    Pledge $625 or more About $625

    EARLY BIRD! Small Team Pack

    Outfit your entire team! Ideal for team rosters carrying 20 players or less. Comes with a carrying case for your trainer or coach.

    Includes:
    • 25× Tozuda Head Impact Sensor
    • 25× Adhesive backing for attachment
    • 25× Instruction Booklet
    • Small hard plastic carrying case
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    Pledge $750 or more About $750

    Small Team Pack

    Outfit your entire team! Ideal for team rosters carrying 20 players or less. Comes with a carrying case for your trainer or coach.

    Includes:
    • 25× Tozuda Head Impact Sensor
    • 25× Adhesive backing for attachment
    • 25× Instruction Booklet
    • Small hard plastic carrying case
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    EARLY BIRD! Medium Team Pack

    Outfit your entire team! Ideal for team rosters carrying 40 players or less. Comes with a carrying case for your trainer or coach.

    Includes:
    • 50× Tozuda Head Impact Sensor
    • 50× Adhesive backing for attachment
    • 50× Instruction Booklet
    • Medium hard plastic carrying case
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    Pledge $1,500 or more About $1,500

    Medium Team Pack

    Outfit your entire team! Ideal for team rosters carrying 40 players or less. Comes with a carrying case for your trainer or coach.

    Includes:
    • 50× Tozuda Head Impact Sensor
    • 50× Adhesive backing for attachment
    • 50× Instruction Booklet
    • Medium hard plastic carrying case
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    Pledge $2,500 or more About $2,500

    EARLY BIRD - Large Team Pack

    This level is great for large athletic programs and youth sports organizations with multiple teams. Whether if it's for your home team or you want to give back to the community, at this level we also offer sponsorship opportunities for our team tozuda partnerships or your organization of choice! Survey to follow for more detail at this level.

    Includes:
    • 100× Tozuda Head Impact Sensor
    • 100× Adhesive backing for attachment
    • 100× Instruction Booklet
    • Large hard plastic carrying case
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    Pledge US$ 2,500 or more About US$ 2,500

    Tailgate with Team Tozuda

    Come hang out with the team that built this product from the ground up doing our favorite activity -- Tailgating and watching football!

    On Sunday September 23rd 2018, we will start the day off with some delicious breakfast sandwiches, head to the 2018 Super Bowl champion's field for some tailgating filled with cornhole, ruit, delicious BBQ, and Tozuda's famous blue drink. Then we will head in and see our reigning Superbowl Champ Eagles play against the Falcons. We shall finish the festivities with some authentic Philadelphia inspired cuisine.

    Includes:
    • Authentic Philadelphia Cuisine
    • Unlimited BBQ and Refreshments at Tailgate
    • Ticket to Eagles Game
    • 25× Tozuda Head Impact Sensor
    • 25× Adhesive backing for attachment
    • Small hard plastic carrying case
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  17. Select this reward

    Pledge $3,000 or more About $3,000

    Large Team Pack

    This level is great for large athletic programs and youth sports organizations with multiple teams. Whether if it's for your home team or you want to give back to the community, at this level we also offer sponsorship opportunities for our team tozuda partnerships or your organization of choice! Survey to follow for more detail at this level.

    Includes:
    • 100× Tozuda Head Impact Sensor
    • 100× Adhesive backing for attachment
    • 100× Instruction Booklet
    • Large hard plastic carrying case
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    Pledge US$ 5,000 or more About US$ 5,000

    SMASH DAY at TOZUDA

    We will welcome you to Team Tozuda's headquarters for an overnight trip in Philadelphia.
    We will start the day off with a tour of our facility. You'll see a sensor built from start to finish from plastic pellets to final assembly and testing. Then you'll get a sneak peek of all of our old prototypes, and even our products still in research and development. We'll grab some lunch then on to the fun! At Tozuda, we have state of the art equipment that we can break things with for our testing. Or what we like to say, SMASH! We will smash a variety of items such as fruit, vegetables, old electronics, or whatever your heart desires. Did we mention we will record everything in high speed?!

    Then we will take you on a tour of some of South Philadelphia's finest establishments for a fun evening romping around the city!

    Includes:
    • High Speed Camera Footage of SMASH day!
    • Authentic Philly Cuisine
    • Tour of Tozuda's Headquarters
    • One night hotel stay in Philadelphia
    • Transportation to and from Philadelphia
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    Pledge US$ 10,000 About US$ 10,000

    I'm so concussed what am I even clicking

    We're so sorry to hear that you have been concussed but thanks for supporting us! To be very clear, you will literally receive absolutely nothing at this reward level. Zero. Nada, Ziltch -- just a huge thank you from our team!

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Funding period

- (30 days)