Thermological Study of Drilling Bone Tissue with a High-speed Drill

Kondo, Shunya; Okada, Yoshikazu; Iseki, Hiroshi; Hori, Tomokatsu; Takakura, Kintomo; Kobayashi, Akira; Nagata, Hirokazu

doi:10.1097/00006123-200005000-00029

Cited by 88 publications

(47 citation statements)

References 8 publications

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“…Performing anterior clinoidectomy causes potential complications owing to its deep location between the ICA and CN II and III. Injuries to CN II and III can be caused by unexpected motion of the drill or by heat caused by insufficient irrigation [28].In the present study, Type III pneumatization was detected in 29.9% of the males and 22.5% of the females. When ACP is pneumatized, there is relationship between ACP and sphenoid sinus.…”

supporting

confidence: 47%

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Presence and types of anterior clinoid process pneumatization, evaluated by Multidetector Computerized Tomography

Burulday¹,

Muluk²,

Akgül³

et al. 2016

CIM

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Presence and types of anterior clinoid process pneumatization, evaluated by Multidetector Computerized Tomography Abstract Purpose: The types and ratio of anterior clinoid process (ACP) pneumatization in paranasal sinus Multidetector Computerized Tomography (MDCT) were investigated the importance of ACP in neurosurgical approaches discussed.Methods: Paranasal MDCT images of 499 subjects (259 male, 240 female), between 17 and 65 years of age, were included in the study. Presence and types of pneumatization of the ACP and pneumatization types (I, II or III) were evaluated.Results: ACP pneumatization was detected in 37.5% of the males and 33.3% of the females. Right, left and bilateral ACP pneumatizations were detected in 12.7%, 9.3% and 15.4% of males and 9.2%, 8.3% and 15.8% of the females, respectively. The most commonly detected types of pneumatization were Type I (49.1%) for right pneumatizations and Type II pneumatization for left (40.9%) and bilateral (37.2%) pneumatizations. In males, Type I (37.1%) and in females, Type II (40.0%) pneumatizations were detected more frequently. Type III pneumatization was detected in 29.9% of the males and 22.5% of the females. ACP pneumatization ratios were higher in younger subjects and lower in older subjects. Conclusion:Sclerosis process related to aging may be responsible for the lower pneumatization ratios in older subjects. When Type III ACP pneumatization is present, clinoidectomy should not be performed: in this type of ACP pneumatization, cerebrospinal fluid fistula develops in all cases. Certain parts of the sphenoid bone are connected by ligaments, including the pterygospinous (between the spine and the upper part of the lateral pterygoid plate), the interclinoid (joining the anterior and posterior clinoid process) and the caroticoclinoid (connecting the anterior and middle clinoid process), and these ligaments occasionally ossify [1].The anterior clinoid process (ACP) is a posterior and medial continuation of the lesser sphenoid wing [2][3][4][5] and is connected to the body of the sphenoid bone (basisphenoid bone) by superior and inferior roots [4,5]. The superior root is flat, forms the roof of the optic canal, and continues as the planum sphenoidale. The inferior root (optic strut) forms the lateral and ventral walls of the optic canal and connects the lesser sphenoid wing with the basisphenoid bone [1].Pneumatization of the ACP involves extending a paranasal sinus, such as the sphenoid or ethmoid sinus, into the ACP through the optic strut (OS) or anterior root (AR). Tearing these paranasal sinuses can cause pneumocephalus or liquorrhea [6][7][8][9][10]. In this study, we investigated the types and ratio of ACP pneumatization and discussed the importance of it to neurosurgical approaches. Materials and MethodsThis retrospective study was conducted in December 2015 in Kirikkale University Faculty of Medicine according to the principles of the Declaration of Helsinki. Computerized Tomography (CT) images were obtained from the archives of Kirikkale University F...

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confidence: 47%

Section: Discussionmentioning

confidence: 99%

Presence and types of anterior clinoid process pneumatization, evaluated by Multidetector Computerized Tomography

Burulday¹,

Muluk²,

Akgül³

et al. 2016

CIM

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“…In orthopaedic surgery external irrigation with sterile saline delivered via a syringe or other device is routinely applied during drilling, the efficacy of which has been demonstrated by several authors (Matthews and Hirsch 1972;Jacob and Berry 1976;Lavelle and Wedgwood 1980;Krause, Bradbury et al 1982;Kondo, Okada et al 2000;Camargo, Faria et al 2007;Augustin, Davila et al 2008;Sener, Dergin et al 2009). Utilising a numerical model, Lee and co-workers (Lee, Rabin et al 2011) modelled the effect of coolant applied to the shank and exposed fluted portion of the operational drill-bit, demonstrating that this application may have a significant effect on the maximum drill temperature, even in the advanced stages of drilling where the cutting face is embedded deep in the bone.…”

Section: Intraoperative Temperature Abatement Strategiesmentioning

confidence: 99%

“…Sequential drilling at larger diameters is also performed to reduce maximal temperatures (Bubeck, Garcia-Lopez et al 2009). Intermittent drilling/burring has also been advocated as a means to reduce maximal temperature elevation (Kondo, Okada et al 2000).…”

Section: Intraoperative Temperature Abatement Strategiesmentioning

confidence: 99%

Drilling of Bone: Practicality, Limitations and Complications Associated with Surgical Drill-Bits

Bertollo¹,

Walsh²

2011

Biomechanics in Applications

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“…2,7) Experimental studies have shown that local heating may disturb the motor and sensory functions of nerve roots and sciatic nerves. 4,6,8,10) Various irrigation systems are now available for high-speed drills, 9) but experimental studies have shown that temperatures can still be elevated to hazardous levels, even if the operative surfaces are cooled by irrigation.…”

Section: Discussionmentioning

confidence: 99%

Spray-Irrigation System Attached to High-Speed Drills for Simultaneous Prevention of Local Heating and Preservation of a Clear Operative Field in Spinal Surgery

Sasaki

Morris

Goto

et al. 2010

Neurol. Med. Chir.(Tokyo)

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Heat generation due to drilling during spinal surgery is potentially hazardous to nerves. Saline irrigation is often performed to prevent such local heating, but sometimes floods and obscures the operative field. We have developed a spray-irrigation system for attachment to high-speed drills, which sprays saline solution with an air-jet in the direction of the surface cut by the drill. We anticipated that this air jet would create a clearer operative view by displacing excess fluid, and would also provide an added cooling effect greater than that of irrigation with saline. This study was designed to evaluate these predicted effects of the spray-irrigation system compared to conventional irrigation. A thermography study was performed to confirm the cooling effect of the spray-irrigation system. A plaster board coated with adhesives was drilled at 100,000 rpm along a 10-cm line for a duration of 20 seconds. Thermograms were recorded every minute, without cooling, with irrigation, and with the spray-irrigation system. To examine the operative views, continuous drilling for a period of seconds was performed with conventional irrigation and with the spray-irrigation system. Local heating was inhibited by the spray-irrigation system to 14-30% of that with irrigation. A clear operative field was maintained during continuous drilling using the spray-irrigation system through the air-jet action of the system. The spray-irrigation system can simultaneously provide effective cooling and a clear operative field during surgical manipulations with high-speed drills.

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Thermological Study of Drilling Bone Tissue with a High-speed Drill

Cited by 88 publications

References 8 publications

Presence and types of anterior clinoid process pneumatization, evaluated by Multidetector Computerized Tomography

Presence and types of anterior clinoid process pneumatization, evaluated by Multidetector Computerized Tomography

Drilling of Bone: Practicality, Limitations and Complications Associated with Surgical Drill-Bits

Spray-Irrigation System Attached to High-Speed Drills for Simultaneous Prevention of Local Heating and Preservation of a Clear Operative Field in Spinal Surgery

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