Invisian Medical at the 2023 AAOMS and AAO-HNSF Annual Meetings
Invisian Medical was honored to exhibit at The 2023 AAOMS Annual Meeting. Thank you to those who were able to visit us at our booth. We enjoyed connecting with everyone and having engaging conversations!
Members of the Minne Ties team at the AAOMS 2023 annual meeting.
We were also grateful to have the opportunity to support the facial trauma simulation lab at the AAO HNSF 2023 Annual Meeting and OTO Experience along with the KLS Martin Group and DePuy Synthes.
Lieutenant Colonel Scott Bevans working with a participant. Dr Bevans is a Facial Plastic & Reconstructive Surgeon, Head & Neck Oncology Microvascular Surgeon for the US Army and currently serves as the Associate Program Director for the Otolaryngology Residency Program at Tripler Army Medical Center in Honolulu, Hawaii.
We were pleased to support the distinguished faculty and participants with Minne Ties samples for the hands-on simulation lab.
Thank you to Drs. Scott Bevans, E Bradley Strong, Sherard Tatum, Vincent Eusterman, Samuel Oyer, Thomas Gal, Scott Mann, and Alan Johnson for their time, effort, and valuable insights.
Dr. Alan Johnson (Otolaryngologist, Head and Neck Surgeon at Hennepin Healthcare and Park Nicollet) and Dr Thomas Gal (Professor of Otolaryngology, Head and Neck Surgery at the University of Kentucky) working with simulation lab participants.
Minne Ties Tip of the Month:
Green Means Go
After the suture has been passed through both the upper and the lower embrasures, create a loop by inserting the blunt tipped introducer through the GREEN side of the clasp head. It can be helpful to think of the clasp head like a traffic light (Green Means Go). The Minne Tie will not function if the introducer is inserted through the incorrect (White) side of the clasp head.
In Case You Missed It:
Heather Schopper¹, MD; Natalie A. Krane², MD; Kevin J. Sykes¹, PhD, MPH; Katherine Yu¹, BS; J. David Kriet¹, MD; Clinton D. Humphrey¹, MD.
¹Department of Otolaryngology, Head and Neck Surgery, University of Kansas Medical Center, Kansas City, KS, USA
²Department of Otolaryngology, Head and Neck Surgery, Oregon Health & Science University, Portland, OR, USA
An article published on May 13th, 2023 in the Journal of Craniomaxillofacial Trauma & Reconstruction by H. Schopper et al provides an in-depth examination of the evolving techniques used to achieve maxillomandibular fixation (MMF) in the treatment of mandibular fractures. Conducted at a single academic institution, this study spanned a decade (2011-2021) and retrospectively reviewed 229 patient electronic medical records along with collected data. One hundred and sixty-three (163) patients were eligible for analysis because patients that underwent ORIF without MMF were not included.
The authors found that "overall, our institution has been moving towards more rapid techniques for intraoperative MMF, such as embrasure wires, hybrid systems, and WDOT [Wireless Dental Occlusion Ties, or Minne Ties®]". In the discussion section of their review, they wrote that "when considering the benefits of these aforementioned methods of MMF, including less time for application and lower risk for sharps injury, WDOT offer a facile means to establish occlusion, while the blunt tip provides little risk for sharps injury of the surgeon and limited periodontal trauma for the patient".
Figure I. Intraoperative MMF method by year. 2021 is an incomplete year and includes cases through 3/31/2021
The authors also described the surgical outcomes: "WDOT function well in both simple and complicated fractures in terms of adequate fracture reduction, as determined by postoperative imaging, and complication rates were comparable to other forms of MMF". Additionally, the authors noted that "WDOT rely on sufficient native dentition with close contacts between teeth", and that they "use WDOT only for intraoperative MMF, as WDOT do not provide the rigid splint functionality of an arch bar, may loosen with movement of the mandible, and cannot currently be used with elastics to guide occlusion".
The authors conclude the paper, indicating that "in summary, contemporary devices such as WDOT offer a rapid and simple means to establish MMF with similar rates of adequate fracture reduction and complications to that seen with other traditional forms of MMF. WDOT also carry a lower risk of stick injury than techniques requiring the use of wires. WDOT should be considered a viable option for intraoperative MMF in patients with good dentition to establish occlusion during mandible fracture repair."
MMF Article of the Month
Development of a Safe and Quick Method for Removal of Intermaxillary Fixation with Superelastic Ni-Ti Wire
Masuru KUDO¹,Takuro KAWAI¹, Atsue YAMAZAKI², Shigeru UGA², Hanako OHKE¹, Masahiro KOKUBU², Itaru MIZOGUCHI², Noboru SHINYA¹
An article published in the Higashi Nippon Dental Journal by Masaru et al. introduces a novel maxillomandibular fixation technique that allows for rapid removal in emergency situations. The authors used a simulation model to compare Method A, a new approach that uses super-elastic nickel-titanium (Ni-Ti) alloy wires applied to an arch bar at two places (left and right maxillary and mandibular regions), to the existing Method B, which utilizes stainless steel wires applied to an arch bar at three places (anterior region and the left and right molar regions). The researchers assessed the time taken for wire removal and the number of pieces of cut wire left behind. Method A demonstrated a significantly shorter average removal time of 14.5 ± 9.9 seconds compared to 79.1 ± 53.1 seconds for Method B. Method A also left zero cut wire pieces after the removal of fixation. The authors concluded that "In a novel method with Ni-Ti wires (Method A), wires could be removed in a shorted period of time without causing pieces of cut wire to be left behind in the mouth and pharynx, than with a previous method (Method B). These results indicate that the established novel method provides a quick and safe removal of intermaxillary fixation"
¹ Department of Dental Anesthesiology, School of Dentistry, Health Sciences University of Hokkaido
² Department of Orthodontics, School of Dentistry, Health Sciences University of Hokkaido
As with most surgical procedures, there are risks associated with maxillomandibular fixation (MMF), including with Minne Ties. For complete information regarding indications for use, additional application and removal instructions, risks, contraindications, warnings, precautions and adverse events, please review the device’s Instructions for Use (IFU) included in the package and at www.minneties.com.
© Copyright Invisian Medical 2023 MT-2023-014-REV 0
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