Abstract:
A navigation system and method for joint replacement surgery, the system comprising: a pre-operative planning module (1), configured to perform segmentation and reconstruction on the basis of acquired hip joint medical image data to obtain a hip joint three-dimensional model, and perform pre-operative planning to determine the position, size, and angle of a prosthesis placement; and a navigation alignment module (2), configured to determine the spatial position of the pelvis and femur on the basis of a pelvis reference frame and a femoral reference frame, perform alignment on the hip joint three-dimensional model on the basis of the spatial position relationship between a surgical probe and the pelvis reference frame and femoral reference frame to obtain a hip joint physical model, and control a surgical instrument clamping the prosthesis to place the prosthesis in the hip joint on the basis of the hip joint physical model. By means of the pre-operative planning of information such as the surgical access and prosthesis placement, and tracking the surgical instrument during the surgery by means of a spatial positioning method, the accuracy of surgery is improved and navigation support is provided to the physician, making the surgery safer and more efficient.
Abstract:
The present application provides a joint replacement surgical robot navigation and positioning system and method. The system includes a preoperative planning module, which is used to: perform segmentation and reconstruction for a hip joint to obtain a three-dimensional model of the hip joint according to obtained medical image data of the hip joint, and carry out a preoperative planning to determine a surgical scheme according to the three-dimensional model of the hip joint; an optical navigation and positioning module, which is used to: generate a navigation instruction according to the surgical scheme, register the three-dimensional model of the hip joint to obtain a hip joint entity model according to spatial position relationships among an optical positioning device, a hip joint of a patient and a surgical probe, match the hip joint entity model with the preoperative planning model, and determine a surgical position on a bone of the patient according to the hip joint entity model; and a mechanical arm control module, which is used to: move an end effector to the surgical position on the bone of the patient, and control the end effector to perform osteotomy, rasion, and press-fitting operations on the hip joint according to the navigation instruction. Preoperative planning is executed through the orthopedic surgical robot, surgical operation is completed at a high level, the operation intensity of surgeons may be greatly reduced, the operation time is saved, and the operation accuracy is improved.
Abstract:
The present invention relates to a method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor. Said method comprises introducing the sulfur-containing gas into the tail gas hydrogenation unit of a sulfur recovery device, processing it with the hydrogenation catalyst of the present invention, absorbing the hydrogenated tail gas with a solvent and then regenerating, the regenerated hydrogen sulfide being recycled to the Claus unit to recover sulfur, the clean tail gas being incinerated in an incinerator to be discharged after reaching the standards. Said sulfur-containing gas comprises from 0 to 6 vol. % of sulfur dioxide and from 0 to 3 vol. % of oxygen, and has a temperature of from 100 to 200° C. The hydrogenation catalyst of the present invention comprises from 0.5 to 3 wt. % of an active component nickel oxide, from 1 to 4 wt. % of an active component cobalt oxide, from 8 to 20 wt. % of an active component molybdenum oxide or tungsten oxide, from 1 to 5 wt. % of a deoxidation auxiliary agent, from 10 to 40 wt. % of TiO2, the balance being γ-Al2O3, based on the weight of the catalyst.
Abstract translation:本发明涉及用于处理含硫气体的方法和用于其的氢化催化剂。 所述方法包括将含硫气体引入硫回收装置的尾气加氢装置中,用本发明的氢化催化剂处理,用溶剂吸收氢化尾气,然后再生,再生的硫化氢被再循环 向克劳斯单位收回硫磺,清洁尾气在达到标准后在焚化炉内焚烧排放。 所述含硫气体包含0至6体积% 二氧化硫的%和0至3体积% 的氧气,并且具有100至200℃的温度。本发明的氢化催化剂包含0.5至3重量% %的活性组分氧化镍,1至4wt。 %的活性组分氧化钴,8至20wt。 %的活性组分氧化钼或氧化钨,1至5wt。 %的脱氧助剂,10〜40wt。 TiO 2的%,余量为γ-Al 2 O 3,基于催化剂的重量。
Abstract:
A navigation system and method for joint replacement surgery, the system comprising: a pre-operative planning module (1), configured to perform segmentation and reconstruction on the basis of acquired hip joint medical image data to obtain a hip joint three-dimensional model, and perform pre-operative planning to determine the position, size, and angle of a prosthesis placement; and a navigation alignment module (2), configured to determine the spatial position of the pelvis and femur on the basis of a pelvis reference frame and a femoral reference frame, perform alignment on the hip joint three-dimensional model on the basis of the spatial position relationship between a surgical probe and the pelvis reference frame and femoral reference frame to obtain a hip joint physical model, and control a surgical instrument clamping the prosthesis to place the prosthesis in the hip joint on the basis of the hip joint physical model. By means of the pre-operative planning of information such as the surgical access and prosthesis placement, and tracking the surgical instrument during the surgery by means of a spatial positioning method, the accuracy of surgery is improved and navigation support is provided to the physician, making the surgery safer and more efficient.
Abstract:
The present invention relates to a method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor. The method comprises introducing the sulfur-containing gas into the tail gas hydrogenation unit of a sulfur recovery device, processing it with the hydrogenation catalyst of the present invention, and absorbing the hydrogenated tail gas with a solvent. The hydrogenation catalyst comprises from 0.5 to 3 wt. % of an active component nickel oxide, from 1 to 4 wt. % of an active component cobalt oxide, from 8 to 20 wt. % of an active component molybdenum oxide or tungsten oxide, from 1 to 5 wt. % of a deoxidation auxiliary agent, from 10 to 40 wt. % of TiO2, the balance being γ-Al2O3, based on the weight of the catalyst.
Abstract translation:本发明涉及用于处理含硫气体的方法和用于其的氢化催化剂。 该方法包括将含硫气体引入硫回收装置的尾气加氢装置中,用本发明的氢化催化剂处理,并用溶剂吸收氢化尾气。 氢化催化剂含有0.5-3wt。 %的活性组分氧化镍,1至4wt。 %的活性组分氧化钴,8至20wt。 %的活性组分氧化钼或氧化钨,1至5wt。 %的脱氧助剂,10〜40wt。 TiO 2的%,余量为γ-Al 2 O 3,基于催化剂的重量。