Release date: 2017-07-04
Recently, Wuhan Union Hospital of Orthopaedic Hospital successfully implemented the world's first mixed reality (MR)-guided hip fracture surgery for a patient. Before the operation, the patient wore VR glasses, under the doctor's explanation, 360 degrees. A full-scale view of the 3D digital "replica" of your fracture site, to understand the specific circumstances of the fracture, surgical plan. 
Subsequently, the surgeon and assistant doctor used the holographic image information to overlap the patient's virtual 3D digital model with the patient's lesion during the operation. “The doctor has a new high-dimensional “perspective†surgical area tool from now on. Hollow Man."
Dr. Ye Zhewei, chief physician of the Wuhan Union Hospital, said that the mixed reality technology has brought great convenience to the surgery. Previously, the doctor could not see the 3D display of the human tissue during the operation, and the 3D display was corresponding to the actual anatomical part of the patient. . Mixed reality technology can move the holographic image model to the patient's position or superimpose on the patient's lesion structure, grasp the patient's internal information under the condition that the surgeon does not fully open, and superimpose it on the virtual physical space to achieve accurate Surgical treatment plan formulation.
In fact, this is not the first time that AR, MR and other technologies have been applied to the medical field. It is understood that in December 2015, doctors from the Nicklaus Children's Hospital in Minnesota used a Google Cardboard for a cardiopulmonary bypass surgery to save a four-month-old life. On January 20, 2016, Realmax presented a case study of caesarean section surgery and arm fracture surgery in Shanghai. In December 2016, the “Internet + TCM Clinical Data Center†of the Second Hospital of Guangdong Province was officially launched, and AR technology was used for knee and joint assistive medicine. On April 14, 2017, Guangdong Second Intermediate Hospital tried to use MR for tumor surgery. With the development of VR/AR technology, medical problems are being solved.
In foreign countries, Microsoft released the MR head HoloLens not only became a game peripheral, but also became a super assistant in the workplace. Many professionals have already started using this AR product, and Duke University surgeons have used HoloLens in brain surgery. Although these applications are still in their infancy, AR software company Scopis has built a “holographic navigation platform†for HoloLens that covers MR images on patients through the HoloLens during surgery (visual overlay technology). The physician can then find the pedicle screw on the spine. At the same time, they can use a series of gestures to adjust the virtual screen, leaving some important information in the field of vision. 
What kind of gospel can VR and AR bring to the medical industry?
First of all, VR/AR technology can also play a role in the psychological level in addition to reducing the patient's illness at the physical level. For example, wearing a VR helmet allows the patient to enter the game, the patient's pain level will be reduced, and medical methods will be more effective for them. A survey released in 2011 by Social Behavioral Medicine demonstrated the powerful role of immersion games as analgesics. And now the technology has been used by the US military to help injured soldiers receive treatment.
Second, VR/AR technology can also be used for medical teaching and training. In traditional medical education, such as human specimen anatomy and various surgical training, subject to specimens, venues, etc., the training costs are high; at the same time, medical students can not improve the clinical practice ability and clinical practice by repeatedly operating on patients. Has a greater risk and so on. The intuitive and experiential features of virtual reality can solve the above problems well.
It is understood that this kind of technology can also become the technical basis of the virtual laboratory. Students will have full experimental autonomy and can simulate various practical and even invisible, untouchable, inaccessible, dangerous experiments and imagination. Experimental scenario. Many experimental and clinically relevant experiments in medical education can be performed in virtual laboratories. 
According to the latest statistics of AR in China, there are more than 200 companies engaged in AR application development in China, 80% of which tend to have developed game applications, and the rest are biased towards lifestyle applications such as film and television. The application focused on the field of health care, based on public information, is estimated to be no more than 10 at present. Overseas, according to the comprehensive data query of CBInsights, CrunchBase, AngelList website, there are currently about 30 startups focusing on AR medical applications. Nine of the startups were financed, with a total financing of $552 million and a 30% investment rate.
Source: Lei Feng Net
Hematology analyzer is also called clinical blood cell analyzer, blood cell analyzer, blood cell analyzer, blood cell counter. The blood analyzer not only improves the accuracy of the experimental results, but also provides many experimental indicators, which play an important role in the diagnosis and differential diagnosis of diseases. Hematology analyzer is one of the most widely used instruments in hospital clinical testing.
Test items
Blood cell test refers to routine blood test, which is manual operation and counting under the microscope at first. It includes red blood cell, hemoglobin, white blood cell count and its classification, platelet count, etc. There are more than 20 items.
clinical significance
1. The blood analyzer is mainly used to detect various blood cell counts, white blood cell classification and hemoglobin content.
2. Hematocrit: obtained by multiplying the average volume of red blood cells by the red blood cell count.
3. Red blood cell distribution width: represents the degree of consistency of red blood cell size. When the red blood cell size is uneven, the red blood cell distribution width value increases, such as various types of nutritional deficiency anemia.
4. The three average indices of red blood cells are used to identify the type of anemia.
(1) The average hemoglobin content of red blood cells: increased in megaloblastic anemia, decreased in iron deficiency anemia, chronic blood loss anemia, uremia, chronic inflammation.
(2) Mean volume of red blood cells: increase in hemolytic anemia and megaloblastic anemia; decrease in severe iron deficiency anemia and hereditary spherocytosis.
(3) The average red blood cell hemoglobin concentration: decrease in chronic blood loss anemia, iron deficiency anemia; various diseases can be in the normal range. In megaloblastic anemia, the mean red blood cell volume increases, the mean red blood cell hemoglobin amount increases, the mean red blood cell hemoglobin concentration is normal, and the red blood cell distribution width increases.
5. Average platelet volume: the average volume of each platelet, the size of platelets is related to its function.
(1) Increased: seen in patients with idiopathic thrombocytopenic purpura, edema and proteinuria in late pregnancy.
(2) Decreased: seen in non-immune platelet destruction, aplastic anemia, thrombocytopenia repeated infection syndrome, chronic myeloid leukemia, etc.
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