CN103143113A - Therapeutic system of femoral head necrosis - Google Patents
Therapeutic system of femoral head necrosis Download PDFInfo
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- CN103143113A CN103143113A CN2013100976086A CN201310097608A CN103143113A CN 103143113 A CN103143113 A CN 103143113A CN 2013100976086 A CN2013100976086 A CN 2013100976086A CN 201310097608 A CN201310097608 A CN 201310097608A CN 103143113 A CN103143113 A CN 103143113A
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- head necrosis
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Abstract
The invention relates to a therapeutic device of early femoral head necrosis for medical clinic, in particular relates to a femoral head decompression supporting system for monitoring an internal environment of a femoral head necrosis area and utilizing an electric field to promote microfracture repair in the femoral head necrosis area, and belongs to the field of medical instruments. The therapeutic system of femoral head necrosis mainly consists of a supporting pipe, a sensor, circuit components, electrodes, a controller and a wireless charging module. The system has the beneficial effects that the femoral head necrosis area can be depressed and supported; the therapeutic effect can be evaluated by monitoring the internal environment of femoral head in real time so as to dynamically adjust the therapeutic strategy; quick reconstruction of the femoral head necrosis area can be promoted through the electric filed so as to increase the cure rate; continuous electric power supply can be obtained through a circuit embedded in a human body; and wound healing after operation is not influenced.
Description
Technical field
The present invention relates to a kind of therapeutic equipment for early stage (FicatI, II phase) femur head necrosis on clinical medicine, especially a kind of femoral head pressure relief support systems that possesses environment in monitoring femur head necrosis district and utilize the little fracture repair in electric field promotion femur head necrosis district belongs to medical instruments field.
Background technology
Femur head necrosis is blood supply of the femoral head interruption or impaired, causes the dead reparation that reaches subsequently of osteocyte and bone marrow composition, then causes the disease of femoral head structural change, collapse of the femoral head, joint function disturbance.Femur head necrosis (osteonecrosis of the femoral head, ONFH) claim again ischemic necrosis of femoral head (avascularnecrosis, AVN), is the common refractory disease in orthopaedics field.ONFH can be divided into the traumatic and large class of atraumatic two, and the former causes by hip wounds such as fracture of femoral neck, dislocation of hip jointes, and the latter is application and the excessive drinking of corticosteroid in the main cause of China.Along with the development of economic society, wound increases, is addicted to drink, the abuse of hormone, and the many factors such as rising of disease of immune system sickness rate, causes the femur head necrosis rate progressively to rise.The cardinal symptom of femur head necrosis progressively develops into rest pain from discontinuity pain, then by pain cause muscle spasm, joint motion is restricted, cause at last seriously to disable and walk lamely.The treatment of femur head necrosis is the difficult problem that present orthopaedics faces, though its Therapeutic Method is many, but curative effect is all dissatisfied, often further develop to subsiding or subsiding of having existed further being increased the weight of, finally cause long-term pain or and the useless use of hip joint and have to carry out hip replacement surgery.
Along with the progress of science and technology, also at gradual perfection, and Therapeutic Method is varied especially to the diagnostic method of femoral head osteonecrosis.At present, for the Therapeutic Method of femoral head necrosis, mainly be divided into the treatment of Noninvasive and invasive, its main purpose is all to improve the blood fortune of femur head necrosis district sclerotin, promotes the reparation of necrotic area sclerotin, to reach the purpose of clinical treatment.To the early stage treatment of femur head necrosis, a kind of common Therapeutic Method is marrow core drilling decompression, its method is to after patient's administration of anaesthetic, keep certain collodiaphyseal angle and top rake to the femoral head internal drilling under X-ray examination below femoral greater trochanter, make 4-5mm under Kirschner wire tip arrival femoral head cartilage, make osseous tunnel in femoral head, neck of femur, reach the purpose of decompression.Though the method has certain curative effect, but still there are a lot of weak points: the one, operation wound is larger, and tissue injury is larger to the neck of femur internal skeleton, total bone injury volume large (damage of the bone drill volume of three times or more times); The 2nd, can only be by the direction decision of inserting needle in the direction of necrotic area decompression, changing direction needs to increase the osseous tunnel of squeezing into the necrotic area again; The 3rd, postoperative patient further subsides for fear of the rear femoral head that bears a heavy burden, and needs the bed of long period.
In present various Therapeutic Method, how major part improves blood supply of the femoral head and promotes capital reparation if concentrating on, and relatively less to how preventing its research of subsiding.The method that prevents collapse of the femoral head and make the femoral head that subsided recover normal morphology comprise utilize after windowing or holing apparatus from inside to outside jack-up subside and implant cortical bone after cartilage, or implant and remember titanium alloy reticulated, the elasticity of utilizing the refresh memory of memory titanium alloy reticulated to have supports the femoral head that subsides.
At present in the apparatus patent for femoral head necrosis therapeutic, some mainly solves the high problem of femur head necrosis district's pressure, as the patent No. be 97242431.8, name is called the Chinese patent of " the porous pressure-reducing needle for the treatment of ischemic necrosis of femoral head ", and for example the patent No. is 200710018227.9, name is called the Chinese patent of " a kind of negative pressure therapeutic instrument that is used for the treatment of femur head necrosis "; Some mainly solves the problem of subsiding in femur head necrosis district, as the patent No. be 200920131183.5, name is called the Chinese patent of " femoral head necrosis bracket ", and for example the patent No. is 201020283386.9, name is called the Chinese patent of " the interior netted eyelid retractor that is used for femur head necrosis ".But these patents do not possess the function of environment in monitoring femur head necrosis district, change as monitoring pressure.
The physical factor such as electromagnetic field, electric current is repaired influential to bone injury, as medical literature " research overview of electromagnetic technique treatment fracture " (Li Wei, Tu Xinming; " traditional Chinese medical science bonesetting " 14 09 phases of volume in 2002,51-52 page) mention in: at first Horshorne in 1812 attempts electrical stimulation method treatment bone does not connect and makes some progress, although make slow progress, has started the beginning of electric skeletonization.The later stagnation of century more than one.The electric skeletonization research of Yasuda has had new breakthrough in the 1950's, finds and confirms that bone is the material with piezoelectric effect, mechanical energy can be converted into electric energy after it is subject to mechanical pressure, produces the stress current potential.People begin to pay attention to the relation of bone and electricity since then.The research of Frieenberg in 1966 and Brighton etc. has obtained again new progress, finds that normal lived skeleton has specific bio electricity, has proposed the concept of steady potential, and has treated bone does not connect with constant current.Bassett in 1977 proposes to use electromagnetic stimulation treatment bone does not connect and has obtained satisfied effect.The research of from then on using electromagnetic method treatment fracture has at home and abroad all obtained carrying out widely.Along with the development of the subjects such as physics, electronic technology, various electromagnetic methods and achievement are arisen at the historic moment, as constant dc, pulse constant current, pulse electromagnetic field, Rotating Magnetic Field, electret etc.Femur head necrosis shows as the bone trabecula fracture in microstructure, can promote capital bone trabecular reconstruction by physical factors such as electromagnetic field, electric currents equally.
The wireless charging technology has developed more than 100 year, but until just be widely used over past ten years, for example is used for the electric toothbrush charging.Wireless charging mainly adopts electromagnetic induction principle, carries out Energy Coupling by coil, thereby realizes the transmission of energy.
Summary of the invention
One object of the present invention is to provide a kind of femoral head osteonecrosis therapeutic device that possesses simultaneously decompression and supporting role.
Another object of the present invention is to provide a kind of monitoring system that possesses environment index of correlation in the reflection necrotic femoral head.
A further object of the present invention is to provide a kind of femoral head osteonecrosis therapy system of using physical factor to treat.
in order to realize above-mentioned goal of the invention, the present invention is by the following technical solutions: a kind of femoral head necrosis therapeutic system, mainly by stay pipe, sensor, circuit unit, electrode, controller, wireless charging module forms, stay pipe, sensor, circuit unit, in the electrode implant into body, electrode is comprised of anode and negative electrode, in the negative electrode implantable bone, anode is placed in the outer soft tissue of bone, controller, wireless charging module is placed in human external, be connected by wireless mode between the part of the implant into body part outer with being placed in human body, wherein: be provided with center pressure release path one in stay pipe, center pressure release path one connects the two ends of stay pipe, sensor setting is on the wall of stay pipe or be arranged in center pressure release path one, circuit unit is connected with the end of stay pipe, sensor, electrode all is connected with circuit unit, stay pipe is played a supporting role, center pressure release path one is drained the pressure of femoral head inside, sensor is passed to circuit unit with the ambient parameter in femoral head, circuit unit produces controlled electric field to the electrode output current and in human body, controller is connected with wireless charging module, controller is provided with wireless communication module, pass through the wireless communication mode transmission information between controller and circuit unit, the mode of operation of circuit unit and duty are subject to the domination of controller, circuit unit transmits data to controller, and wireless charging module carries out wireless charging to circuit unit.
Above-mentioned femoral head necrosis therapeutic system, be provided with the pressure release aperture on stay pipe first half section tube wall, pressure release aperture and center pressure release path one are 90 degree angle relations, the pressure release aperture is communicated with center pressure release path one with the outside of stay pipe tube wall: be provided with screw thread on stay pipe second half section tube wall, screw thread is used for strengthening the compactness that stay pipe is combined with human body; The terminus inner of stay pipe is provided with the instrument link slot, and the instrument link slot is used for being connected and installed and dismantling required instrument when the installation and removal stay pipe.
Above-mentioned femoral head necrosis therapeutic system, stay pipe uses the metal material manufacturing, and stay pipe can be used as electrode and is electrically connected with circuit unit.
Above-mentioned femoral head necrosis therapeutic system is provided with the sensing tank on stay pipe, the sensing tank is used for fixation of sensor.
Above-mentioned femoral head necrosis therapeutic system, circuit unit mainly is comprised of governor circuit, power module, wireless communication module and shell; Power module obtains electric energy by the mode of wireless charging, and power module provides electric energy to governor circuit; Governor circuit carries out communication by wireless communication module and controller; Shell seals governor circuit, power module, wireless communication module, and shell adopts has the material manufacture of good biocompatibility.
Above-mentioned femoral head necrosis therapeutic system, power module is provided with minicell, is used for store electrical energy, to reduce charge frequency and to obtain stable electric energy; Circuit unit is annular, and the space of annular center consists of center pressure release path two, and pressure release path two in center is communicated with center pressure release path one on stay pipe.
Above-mentioned femoral head necrosis therapeutic system, number of sensors are one or more, and the analogue signal of sensor acquisition is pressure and/or pH acid-base value and/or blood oxygen content.
Above-mentioned femoral head necrosis therapeutic system, controller is portable computer or embedded computer.
Above-mentioned femoral head necrosis therapeutic system, controller and wireless charging module are integrated in same shell.
Above-mentioned femoral head necrosis therapeutic system, the wireless communication module of controller and wireless charging module share a coil, and wireless communication module uses this coil as antenna.
the present invention realizes decompression drainage and the supporting role in femur head necrosis district by the hollow support pipe, realize monitoring to environment in femoral head by sensor, promote the reconstruction of the little fracture of femoral head by the control electric field, realize that by wireless charging technology and wireless communication technique the part of implant into body imbeds fully in human body and can not cause to postoperative care and patient's life adverse effect, thereby obtained such beneficial effect: can carry out decompression drainage and support to the femur head necrosis district, can also assess therapeutic effect with dynamic adjustment therapeutic strategy by environment in the Real-Time Monitoring femoral head, can also promote the Fast Reconstruction in femur head necrosis district to improve cure rate by electric field, the supply of electrical energy that circuit in implant into body can obtain to continue, and do not affect the postoperative wound healing.Therefore, the present invention has distinguishing feature and substantive progressive.
Description of drawings
Fig. 1 is schematic diagram, is used for a specific embodiment of the present invention is described, the partial content in figure does not belong to category of the present invention;
Fig. 2 is the 3 D stereo perspective view of the implant into body part of specific embodiment shown in Figure 1;
Fig. 3 is the part analysis perspective view of Fig. 2;
Fig. 4 is the 3 D stereo perspective view at another visual angle of Fig. 2, makes the present invention is described more easily;
Fig. 5 is Fig. 4 part analysis perspective view;
Fig. 6 is the top view of Fig. 4;
Fig. 7 is that the cutting line A-A in Fig. 6 cuts open the cutaway view of obtaining;
Fig. 8 is schematic diagram, is used for illustrating the annexation of specific embodiment shown in Figure 1, comprises that electrical connection is connected with data;
Wherein, 1-stay pipe, 2-sensor, 3-circuit unit, 4-electrode, 5-controller, 6-wireless charging module, 7-center pressure release path one, 8-pressure release aperture, 9-center pressure release path two, 10-screw thread, 11-sensing tank, 12-instrument link slot; 13-near end of thighbone osseous tissue, the 14-femoral head; 13 to 14 do not belong to category of the present invention, only are used for aid illustration.
The specific embodiment
The below enumerates a specific embodiment and describes the present invention.
, mainly formed by stay pipe 1, sensor 2, circuit unit 3, electrode 4, controller 5, wireless charging module 6 to specific embodiment of the present invention shown in Figure 8 as Fig. 1; In stay pipe 1, sensor 2, circuit unit 3, electrode 4 implant into body, controller 5, wireless charging module 6 are placed in human external, are connected by wireless mode between the part of the implant into body part outer with being placed in human body; Stay pipe 1 adopts the silver-plated titanium alloy manufacturing of outer surface, is provided with center pressure release path 1 in stay pipe 1, and center pressure release path 1 connects the two ends of stay pipe 1; Stay pipe 1 is played a supporting role, and center pressure release path 1 is used for the pressure of excretion femoral head 14 inside, and the human body material that pressure release path 1 in center oozes out femoral head 14 postoperatives in early days guides to outside near end of thighbone osseous tissue 13 and absorbed by muscular tissue; In this specific embodiment, be provided with 4 sensing tanks 11 on the wall of stay pipe 1,4 sensing tank 11 grades distribute around the axle center of stay pipe 1 with dividing, each sensing tank 11 is provided with 1 sensor 2, the sensitive surface of each sensor 2 contacts with femoral head 14 respectively, and the sensitive surface of sensor 2 refers to the best effort face of sensor 2; Circuit unit 3 is connected with stay pipe 1 end, and the end of stay pipe 1 refers to after stay pipe 1 is installed in human body, that end away from femoral head 14 of stay pipe 1; Sensor 2, electrode 4 all are connected with circuit unit 3, and sensor 2 is passed to circuit unit 3 with the ambient parameter in femoral head 14, and circuit unit 3 produces controlled electric field to electrode 4 output currents and in human body; Controller 5 is connected with wireless charging module 6 and is encapsulated in same plastic casing, controller 5 is provided with wireless communication module, between controller 5 and circuit unit 3, by the wireless communication mode transmission information, controller 5 is controlled 6 pairs of circuit units of wireless charging module 3 and is carried out wireless charging; In this specific embodiment, controller 5 is embedded computer system, and volume is little and power is low, uses battery powered.
Be provided with pressure release aperture 8 on stay pipe 1 first half section tube wall, pressure release aperture 8 is 90 degree angle relations with center pressure release path 1, and pressure release aperture 8 is communicated with center pressure release path 1 with stay pipe 1 outside; Pressure release aperture 8 is for increasing the pressure release path.Be provided with screw thread 10 on 1 second half section of stay pipe tube wall, after stay pipe 1 was installed in human body, screw thread 10 can be combined with femur, and screw thread 10 is used for strengthening the compactness that stay pipe 1 is combined with human body; The terminus inner of stay pipe 1 is provided with instrument link slot 12, and the groove of the shape hexagon socket head cap screw nut of link slot 12 is similar, and instrument link slot 12 is used for being connected and installed and dismantling required instrument when installation and removal stay pipe 1.After conventional femoral head necrosis pressure reduction art formed osseous tunnel, owing to not inserting passive supporter, osseous tunnel may produce and subside, and even increased the risk of femoral head fracture.The effect that stay pipe 1 of the present invention is taken into account decompression and supported.
Stay pipe 1 is metallic object, and stay pipe 1 also is electrically connected with circuit unit 3, and stay pipe 1 is as negative electrode, and electrode 4 adopts the platinum manufacturings and as anode; In the time of in implant into body, electrode 4 is placed near the outside soft tissue of femoral head 14; Like this, the controlled electrical field that forms between stay pipe 1 and electrode 4 just acts on femoral head 14.Under the effect of electric field, the little fracture in femoral head 14 is by Fast Reconstruction, and then femur head necrosis is effectively treated.
In this specific embodiment, sensor 2 adopts two kinds of sensors: pressure transducer and pH sensor (the pH sensor is acidity-basicity sensor), each two, every kind of sensor all take the axle center of stay pipe 1 as axis of symmetry symmetrical; Pressure transducer is experienced the pressure in femoral head 14 and is converted magnitude of voltage to, and the pressure variation in femoral head 14 is presented as change in voltage; The pH sensor is surveyed the pH value in femoral head 14, and the pH sensor adopts current mode pH sensor, pH value can be changed into current value, and the pH value variation in femoral head 14 is presented as curent change; The pH sensor also can adopt voltage-type pH sensor, pH value can be changed into magnitude of voltage, and the pH value variation in femoral head 14 is presented as change in voltage.Think according to theory of medicine, the immediate cause of femoral head 14 necrosis is that blood supply minimizing, the internal pressure in femoral head 14 is too high; Monitor by the pressure in femoral head 14 is changed, can monitor and assess the therapeutic effect of femoral head 14 boring iatrotechnics.Femoral head 14 inner blood supplies reduce, the oxygen content that is femoral head 14 inner bloods reduces, carbon dioxide content raises, blood and tissue fluid pH value reduce (acidity rising), by the acid-base value in femoral head 14 is monitored, can monitor and assess the therapeutic effect of femoral head 14 boring iatrotechnics.The doctor can dynamically follow the tracks of the therapeutic effect of operation, just can in time adjust therapeutic strategy, to obtaining better curative effect.
The center pressure release path 29 of circuit unit 3 is communicated with the center pressure release path 1 of stay pipe 1, and the human body material that femoral head 14 oozes out is guided in muscular tissue by center pressure release path 29.
In actual use, controller 5 is placed on the patient at one's side with wireless charging module 6, even is placed in patient's pocket.The induction coil of the power module of circuit unit 3 obtains faradic current from wireless charging module 6.Use the ZigBee communications protocol to carry out communication between controller 5 and circuit unit 3.The mode of operation of circuit unit 3 and duty are subject to the domination of controller 5.Pressure and pH value that circuit unit 3 obtains in femoral head 14 by sensor 2, and transfer data to controller 5.
Because the part of implant into body is not exposed to external and adopts wireless charging technology and wireless communication technique, the wound of skin and muscle can be sewed up, and reduces and infects, and reduces the postoperative care requirement, does not also affect patient activity.After patients ' recovery, the doctor can select the suitable part that opportunity, implant into body was taken out in operation.
Claims (10)
1. femoral head necrosis therapeutic system, it is characterized in that: mainly by stay pipe (1), sensor (2), circuit unit (3), electrode (4), controller (5), wireless charging module (6) forms, stay pipe (1), sensor (2), circuit unit (3), in electrode (4) implant into body, electrode (4) is comprised of anode and negative electrode, in the negative electrode implantable bone, anode is placed in the outer soft tissue of bone, controller (5), wireless charging module (6) is placed in human external, be connected by wireless mode between the part of the implant into body part outer with being placed in human body, wherein: be provided with center pressure release path one (7) in stay pipe (1), center pressure release path one (7) connects the two ends of stay pipe (1), sensor (2) is arranged on the wall of stay pipe (1) or is arranged in center pressure release path one (7), circuit unit (3) is connected with stay pipe (1) end, sensor (2), electrode (4) all is connected with the thin part of circuit (3), stay pipe (1) is played a supporting role, center pressure release path one (7) is drained the pressure of femoral head inside, sensor (2) is passed to circuit unit (3) with the ambient parameter in femoral head, circuit unit (3) produces controlled electric field to electrode (4) output current and in human body, controller (5) is connected with wireless charging module (6), controller (5) is provided with wireless communication module, pass through the wireless communication mode transmission information between controller (5) and circuit unit (3), the mode of operation of circuit unit (3) and duty are subject to the domination of controller (5), circuit unit (3) transmits data to controller (5), and wireless charging module (6) carries out wireless charging to circuit unit (3).
2. femoral head necrosis therapeutic according to claim 1 system, it is characterized in that: be provided with pressure release aperture (8) on stay pipe (1) first half section tube wall, pressure release aperture (8) and center pressure release path one (7) are 90 degree angle relations, and pressure release aperture (8) is communicated with the outside of center pressure release path one (7) with stay pipe (1) tube wall; Be provided with screw thread (10) on stay pipe (1) second half section tube wall, screw thread (10) is used for strengthening the compactness that stay pipe (1) is combined with human body; The terminus inner of stay pipe (1) is provided with instrument link slot (12), and instrument link slot (12) is used for being connected and installed and dismantling required instrument when installation and removal stay pipes (1).
3. femoral head necrosis therapeutic according to claim 1 system, it is characterized in that: stay pipe (1) uses the metal material manufacturing, and stay pipe (1) can be used as electrode and is electrically connected with circuit unit (3).
4. femoral head necrosis therapeutic according to claim 1 system, it is characterized in that: be provided with sensing tank (11) on stay pipe (1), sensing tank (11) is used for fixation of sensor.
5. femoral head necrosis therapeutic according to claim 1 system, it is characterized in that: circuit unit (3) mainly is comprised of governor circuit, power module, wireless communication module and shell; Power module obtains electric energy by the mode of wireless charging, and power module provides electric energy to governor circuit; Governor circuit carries out communication by wireless communication module and controller (5); Shell seals governor circuit, power module, wireless communication module, and shell adopts has the material manufacture of good biocompatibility.
6. femoral head necrosis therapeutic according to claim 5 system, it is characterized in that: power module is provided with minicell, is used for store electrical energy, to reduce charge frequency and to obtain stable electric energy; Circuit unit (3) is annular, and the space of annular center consists of center pressure release path two (9), and center pressure release path two (9) is communicated with center pressure release path one (7) on stay pipe (1).
7. femoral head necrosis therapeutic according to claim 1 system, it is characterized in that: sensor (2) quantity is one or more, the analogue signal that sensor (2) gathers is pressure and/or pH acid-base value and/or blood oxygen content.
8. femoral head necrosis therapeutic according to claim 1 system, it is characterized in that: controller (5) is portable computer or embedded computer.
9. femoral head necrosis therapeutic according to claim 1 system, it is characterized in that: controller (5) is integrated in same shell with wireless charging module (6).
10. femoral head necrosis therapeutic according to claim 1 system, it is characterized in that: the wireless communication module of controller (5) and wireless charging module (6) share a coil, and wireless communication module uses this coil as antenna.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103829992A (en) * | 2013-11-29 | 2014-06-04 | 冯业进 | Device for treating femoral head necrosis |
| CN104116620A (en) * | 2014-07-17 | 2014-10-29 | 尚博 | Novel smart device for treating femoral head necrosis |
| CN104688391A (en) * | 2015-03-17 | 2015-06-10 | 苏州瑞华医院有限公司 | Mesh holder for femoral head necrosis treatment |
| CN104771832A (en) * | 2015-04-16 | 2015-07-15 | 厉运收 | Bone injury pulse current therapeutic apparatus |
| CN104905893A (en) * | 2015-05-18 | 2015-09-16 | 江苏创发生物科技有限公司 | Anti-infection titanium tantalum bone implantation object and preparing method thereof |
| WO2018017391A1 (en) * | 2016-07-21 | 2018-01-25 | Kci Licensing, Inc. | Portable negative-pressure wound closure system |
| CN110910342A (en) * | 2018-09-12 | 2020-03-24 | 西门子医疗有限公司 | Analyzing bone trauma by using deep learning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103829992A (en) * | 2013-11-29 | 2014-06-04 | 冯业进 | Device for treating femoral head necrosis |
| CN104116620A (en) * | 2014-07-17 | 2014-10-29 | 尚博 | Novel smart device for treating femoral head necrosis |
| CN104688391A (en) * | 2015-03-17 | 2015-06-10 | 苏州瑞华医院有限公司 | Mesh holder for femoral head necrosis treatment |
| CN104771832A (en) * | 2015-04-16 | 2015-07-15 | 厉运收 | Bone injury pulse current therapeutic apparatus |
| CN104905893A (en) * | 2015-05-18 | 2015-09-16 | 江苏创发生物科技有限公司 | Anti-infection titanium tantalum bone implantation object and preparing method thereof |
| WO2018017391A1 (en) * | 2016-07-21 | 2018-01-25 | Kci Licensing, Inc. | Portable negative-pressure wound closure system |
| CN110910342A (en) * | 2018-09-12 | 2020-03-24 | 西门子医疗有限公司 | Analyzing bone trauma by using deep learning |
| CN110910342B (en) * | 2018-09-12 | 2023-11-14 | 西门子医疗有限公司 | Analysis of skeletal trauma by using deep learning |
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Application publication date: 20130612 |