Is bony attachment necessary for dynamic reference frame in navigation-assisted minimally invasive lumbar spine fusion surgery?

abstract：BACKGROUND:Various types of sternum defects are produced after the removal of thoracic tumors involving the sternum. The present study aims to elucidate the relationship between the defect patterns and their effects on thoracic respiration. METHODS:Ten sets of finite element models were produced simulating thoraces of...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Nagasao T,Kasai S,Shimizu Y,Sakamoto Y,Hatano A,Morotomi T,Ogata H,Kishi K

更新日期：2016-12-01 00:00:00

abstract：:Determining how deep instruments can be inserted into the femoral canal without touching adjacent structures is a fundamental necessity for navigating instruments in primary and revision total hip arthroplasty. The aim of the study was to determine the reachable depth of a straight instrument inserted into the femur c...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Putzer D,Klug S,Moctezuma JL,Mayr E,Nogler M

更新日期：2016-12-01 00:00:00

abstract：AIM:Coronary artery stenosis readings were predicted in this study on the basis of clinical data for patients with coronary heart diseases using the inverse problem algorithm. METHOD:Five factors, including age, BSA (body surface area), MAP (mean artery pressure), sugar AC (ante cibum), and LDL-C (low-density Lipoprot...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Pan LF,Chiu SW,Xiao MF,Chen CH,Pan LK

更新日期：2017-12-01 00:00:00

abstract：PURPOSE:Light sources such as laser and light emitting diode or ultrasound devices have been widely used for cancer therapy and regenerative medicines, since they are more cost-effective and less harmful than radiation therapy, chemotherapy or magnetic treatment. Compared to laser and low intensity ultrasound technique...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Choe SW,Park K,Park C,Ryu J,Choi H

更新日期：2017-12-01 00:00:00

abstract：:Three-dimensional simulations of coronary artery using finite element analysis are considered as effective means to understand the biomechanical properties after the stent was deployed. Bioresorbable vascular scaffolds are new-generation stents used by people. Intravascular optical coherence tomography is an emerging ...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Huang C,Zhou Y,Mao X,Tong J,Zhang L,Chen F,Hao Y

更新日期：2017-12-01 00:00:00

abstract：:In this paper, we designed a 8 degrees of freedom (DOFs) haptic device for applications in minimally invasive surgical robot. The device can provide three translational, three rotational and a grasping motion and force feedback capability. It is composed of three parts, including an arm mechanism, a redundant wrist me...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Wang T,Pan B,Fu Y,Wang S,Ai Y

更新日期：2017-12-01 00:00:00

abstract：:Purpose: Wavelet denoising is one of the denoising methods commonly used for ECG signals. However, due to the frequency overlap between the EMG and ECG, the feeble characteristics of ECG signals exists the risk of being weakened in the process of filtering noise. This paper presents a method of modified wavelet design...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Wang Z,Zhu J,Yan T,Yang L

更新日期：2019-10-01 00:00:00

abstract：:Fast 3D imaging and measurement of cells are of great importance in many fields associated with the life science. In this paper, only using two phase images in orthogonal directions, a geometric rotation method for 3D fast morphology reconstruction is proposed in view of more spheroid cells in blood cells. In this met...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Wang Y,Han H,Wang L,Liao J,Xie B,Ji Y,Xu Y

更新日期：2019-10-01 00:00:00

abstract：BACKGROUND:Minimally invasive procedures are rapidly growing in popularity thanks to advancements in medical robots, visual navigation and space registration techniques. This paper presents a precise and efficient targeting method for robot-assisted percutaneous needle placement under C-arm fluoroscopy. METHOD:A speci...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Han Z,Yu K,Hu L,Li W,Yang H,Gan M,Guo N,Yang B,Liu H,Wang Y

更新日期：2019-02-02 00:00:00

abstract：:A novel pulsatile assist device, intra-ventricular assist device, was proposed to address various disadvantages existing in conventional pulsatile assist device, such as the large size, accessories and reduced pulsatility. The assist device was designed, fabricated and implanted into the sac from left ventricular apex...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Zhu S,Luo L,Yang B,Li X,Ni K,Zhou Q,Wang X

更新日期：2019-10-01 00:00:00

abstract：:Acoustic nonlinear parameter β, was of great interest in tissue characterization in recent years. Nonlinear imaging methods have been reported to provide improved spatial and contrast resolution. We introduce a nonlinear imaging method derived from nonlinear wave equation based on Gaussian-form solution assumption, wh...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Chen W,Wang P,Zhang Z,Deng X,Zhang C,Ju S

更新日期：2019-10-01 00:00:00

abstract：:Annotation of surgical video is important for establishing ground truth in surgical data science endeavors that involve computer vision. With the growth of the field over the last decade, several challenges have been identified in annotating spatial, temporal, and clinical elements of surgical video as well as challen...

journal_title：Computer assisted surgery (Abingdon, England)

authors： Ward TM,Fer DM,Ban Y,Rosman G,Meireles OR,Hashimoto DA

更新日期：2021-12-01 00:00:00