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NIO™ HUMAN CADAVER

NIO™ HUMAN CADAVER

NIO™ HUMAN CADAVER

Product catalog summary
Background: The report compiles results from human cadaver studies conducted with the NIO™ device in 2012 and 2013 to support its FDA 510(k) submission. The studies took place in Lima, Georgia, and New York.
Objectives: The primary objectives were to validate the NIO™ device's functionality, performance, and success rate at specific insertion sites (proximal tibia and humeral head), as well as to assess usability and tolerance to user errors.
Test Acceptance Criteria: Criteria included specific insertion depths, needle structural integrity, prevention of over-penetration, and successful fluid administration. Usability was rated on a scale of 1-10, with a target score of 80+ points.
Study Subjects: The studies involved 55 adult cadavers, both male and female, aged 20-90 years. Exclusion criteria included skeletal diseases, malformations, and subjects under 12 years old.
Results: The studies showed high success rates for the NIO™ device: 91.4% at the proximal tibia and 93.1% at the humeral head. The usability study showed an average procedure time of 18.3 seconds and an ease-of-use rating of 8.5. The device maintained an 85.4% success rate even when used at incorrect insertion sites.
Discussion: The NIO™ device proved effective and accurate at both correct and incorrect insertion sites, with no evidence of bone fractures or needle deformation. The device's trigger mechanism functioned as required.
Conclusion: The NIO™ device is validated for accuracy and efficiency at the proximal tibia and humeral head insertion sites, with a high tolerance for common operator errors. The study supports the device's reliability and usability in clinical settings.
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Catalog excerpts

NIO™ HUMAN CADAVER-1

Central Morgue of Lima, Peru, Georgia Health Sciences University, New York Institute of Technology College of Osteopathic Medicine This paper compiles the results of the human cadaver studies performed with the NIO™ device during 2012 and 2013 as part of the device's 510(k) FDA submission. The purpose of this document is to disseminate the main conclusions drawn following each study. This paper describes the results of the following studies: ■ NIO™ A.V Protocol.10 - 2012 Sep. 28 Lima Cadaver Lab, at the Central Morgue of Lima (Lima, Peru) ■ NIO™ A.V Protocol.11 - 2012 Oct. 05 Georgia Cadaver Lab, at Georgia Health Sciences University (Augusta, Georgia) ■ NIO™ A.V Protocol.13 - 2013 Mar. 15 Lima Cadaver Lab, at the Central Morgue of Lima (Lima, Peru) ■ An additional study conducted by Avram Flamm, OMSII, and Bennett Futterman, MD at the New York Institute of Technology College of Osteopathic Medicine (Old Westbury, New York) 2.1. The main objective of the Lima studies was to validate the functionality and performance of the device and to evaluate the success rate. 2.1.1. Validate the reliability of the trigger mechanism. 2.1.2. Insertion sites considered for validation included the proximal tibia and humeral head. The insertion depth of the needle after activation of the NIO™ is pre-determined by a mechanical stopper. 2.1.3. Visually validate that the needle maintains its structural integrity and that there are no structural deformations observed following the insertion process. 2.1.4. Validate that the needle mechanical stopper (needle stabilizer) is preventing over-penetration or unintentional withdrawal of the needle from the bone. 2.1.5. Validate bone integrity following NIO™ activation using X-ray images to diagnose bone fractures. 2.1.6. Assess the success rate of the NIO™ in terms of successful operation and fluid administration. 2.2. The main objective of the Georgia study was to conduct a usability test for the NIO™. In addition to the usability study, all objectives discussed in section 2.1 were tested. 2.3. A secondary parameter aimed at assessing the success rate of the NIO™ when activated at an incorrect insertion site on the proximal tibia. Attempts were made to inject the NIO™ device at a "wrong" location on the proximal tibia in order to mimic user errors and to evaluate the device's tolerance to common operator mistakes. 2.3.1. Anatomically, the tibial cortical bone (compact bone) is thinnest near the kneecap joint (epiphysis), growing thicker towards the middle part of the bone. 2.3.2. For adults, the insertion site on the proximal tibia is located by palpating the tibial tuberosity and moving approximately two fingers medial and one finger proximal. 2.3.3. Two of the most common mistakes in determining the insertion location of the proximal tibia are: 2.3.3.1. Injecting the needle two fingers medial to tibial tuberosity - marked as "0cm." 2.3.3.2. In Pediatric treatment, the most common mistake is injecting the needle two fingers medial from the tibial tuberosity and one finger distal instead of proximal - marked as "Ped. Loc." 2.4. The main objective of the New York study was to determine if there is a difference in frequency of successful first attempts for vascular access between the tibia and humerus on a cadaver model. 2.5. The main objective of this summary is to evaluate the success rate of the NIO™ based on successful operation and fluid administration. Other objectives described above are analyzed and discussed in each relevant validation test. 3. TEST ACCEPTANCE CRITERIA 3.1. The insertion depth of the needle is pre-adjusted ±10%mm at each insertion site: 3.1.1. At proximal tibia and humeral head 25± 3mm. 3.2. No structural deformations are visually seen on the needle. 3.3. The needle stabilizer prevents less than 3mm of overpenetration. 3.4. X-ray images of the limbs show no skeletal deformations or fractures due to the ins

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NIO™ HUMAN CADAVER-2

3.5. Successful operation of the device entails: 3.5.1. The trigger mechanism operated properly and the needle stabilizer was easily released. 3.5.2. The device successfully inserted the needle into the bone. 3.5.3. It was possible to separate the trocar from cannula using manual vertical force while twisting. 3.5.4. Fluids were flushed into the intended area with no noticeable extravagation of fluids, thus, administration of fluids was successful. 3.6. For the secondary study on proximal tibia and for the study performed in NY, the success rate was assessed by successful operation of the device...

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NIO™ HUMAN CADAVER-3

7.6. Proximal tibia insertion site: 7.6.1. Of 58 attempts, 53 were successful, resulting in a 91.4% success rate. 7.6.2. In all failed attempts, the user determined that the device was not inserted into the correct insertion site. 7.6.3. In all successful attempts, the needle penetrated to the required penetration depth and fluid administration was successful. 7.7. Humeral head insertion site: 7.7.1. Of 58 attempts, 54 were successful, resulting in a 93.1% success rate. 7.7.2. All 4 failures encountered in the Georgia study were due to user error. In all failed attempts, the user determined that...

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NIO™ HUMAN CADAVER-4

7.9.2. The study was performed on a total of 12 cadavers, age 20-93 years old, both female and male. Specifically, there was one subject in his 90s, two subjects in their 80s, four subjects in their 70s, two subjects in their 60s, one subject in his 40s, one subject in his 30s, and one subject in his 20s. 7.9.3. Initially, all cadavers used for this study were injected with the NIO™ at the correct proximal tibia location. All of these initial attempts were successful. 7.9.4. Out of six failures, two were in the same cadaver, a 35 year old male; three in another cadaver, a 73 year old male; and...

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NIO™ HUMAN CADAVER-5

7.11.3. 12 of the cadavers were male and 14 were female. 7.11.4. The average age of the cadavers was 79 years at death. 7.11.5. The first attempt success rate for inserting the NIO™ at the tibia was 98%, while the humerus was 91%. 8.1. Nearly 390 NIO™ devices were used for these studies. 263 devices were used for the internal cadaver studies in Lima, Peru and Georgia, and 127 for the study in New York. 8.2. All post-insertion X-rays showed no evidence of bone fractures due to the insertion. In some cases, after the needle was injected into the proximal and distal tibia, additional insertions...

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