# US 2014/0155796 A1 · Back brace type surgery positioning apparatus and navigation system having the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155796 A1 - Document ID: US20140155796A1 - Status: Published application - Kind: A1 - Application number: 14/072,148 - Filed: 2013-11-05 - Published: 2014-06-05 - Earliest claimed: 2012-12-05 - Assignees: National Taiwan University - Applicants: National Taiwan University - Inventors: Jaw-Lin Yang - Web page: https://patentgrep.com/patent/US20140155796A1 ## CPC - A61B 34/20: Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis - A61B 90/50: Supports for surgical instruments, e.g. articulated arms - A61B 2034/2059: {Mechanical position encoders} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A back brace type surgery positioning apparatus is provided, which includes a back brace, a positioning mechanism and an operation-assisting member. The back brace has a main board configured to be disposed on the back of a patient, an abdomen pressing board configured to be disposed on the abdomen of the patient, a plurality of positioning members for connecting the main board and the abdomen pressing board, and a positioning base board disposed on the main board. The positioning mechanism is connected to the positioning base board and has a support rack, and first and second rotating arms pivotally mounted to and rotatable relatively to the support rack, and the second rotating arm is configured to secure a surgical tool in place. The operation-assisting member is fastened by the first and second rotating arms and configured to adjust the direction and position of the surgical tool. ## Claims ### Claim 1 A back brace type surgery positioning apparatus, comprising: a back brace comprising a main board, an abdomen pressing board, a plurality of positioning members for connecting the main board and the abdomen pressing board, and a positioning base board disposed on the main board, wherein the main board has a support portion, an extending portion integrally formed with the support portion, and hollow portions formed at two sides of the support portion for facilitating a surgical operation, and the positioning base board is disposed on the support portion of the main board and has a plurality of positioning-assisting units; a positioning mechanism connected to the positioning base board, wherein the positioning mechanism comprises a support rack, and first and second rotating arms pivotally mounted to and rotatable with respect to the support rack and provided with a plurality of encoders for measuring displacement of the first and second rotating arms, and the second rotating arm is configured to secure a surgical tool in place; and an operation-assisting member fastened by the first and second rotating arms and configured to adjust a direction and a position of the surgical tool. ### Claim 2 (depends on 1) The back brace type surgery positioning apparatus of claim 1, wherein the main board is configured to be disposed on a back of a patient and the abdomen pressing board is configured to be disposed on an abdomen of the patient, and the extending portion is corresponding in position to a sacrum of the patient. ### Claim 3 (depends on 1) The back brace type surgery positioning apparatus of claim 1, wherein the first rotating arm has a first fastening member and the second rotating arm has a second fastening member such that the operation-assisting member is fastened by the first and second fastening members and the surgical tool is fastened by the second fastening member. ### Claim 4 A navigation system, comprising: a back brace type surgery positioning apparatus, comprising: a back brace comprising a main board, an abdomen pressing board, a plurality of positioning members for connecting the main board and the abdomen pressing board, and a positioning base board disposed on the main board, wherein the main board has a support portion, an extending portion integrally formed with the support portion, and hollow portions formed at two sides of the support portion for facilitating a surgical operation, and the positioning base board is disposed on the support portion of the main board and has a plurality of positioning-assisting units; a positioning mechanism connected to the positioning base board, wherein the positioning mechanism comprises a support rack, and first and second rotating arms pivotally mounted to and rotatable with respect to the support rack and provided with a plurality of encoders for measuring displacement of the first and second rotating arms, and the second rotating arm is configured to secure a surgical tool in place; and an operation-assisting member fastened by the first and second rotating arms and configured to adjust a direction and a position of the surgical tool; and a computer device configured to store a plurality of computed tomography (CT) images of a back of a patient and electrically connected to the plurality of encoders for receiving displacement data from the encoders and integrating the displacement data with the CT images to thereby display the direction and position of the surgical tool. ### Claim 5 (depends on 4) The navigation system of claim 4, wherein the computer device comprises a storage unit, a processing unit and a display unit, wherein the storage unit is configured to store the CT images, and the processing unit is electrically connected to the storage unit and the display unit and configured to receive the displacement data from the encoders and integrate the displacement data with the CT images and send an integrated result to the display unit for display. ### Claim 6 (depends on 4) The navigation system of claim 4, wherein the main board is disposed on the back of the patient and the abdomen pressing board is disposed on an abdomen of the patient, and the extending portion is corresponding in position to an sacrum of the patient. ### Claim 7 (depends on 4) The navigation system of claim 4, wherein the first rotating arm has a first fastening member and the second rotating arm has a second fastening member such that the operation-assisting member is fastened by the first and second fastening members and the surgical tool is fastened by the second fastening member.