A kind of medical implanted detector
Technical field
The present invention relates to a kind of medical implanted detector.
Background technology
At present, implantation medical equipment kind is a lot, as Implanted cardiac pacemaker, brain pacemaker, nerve stimulator, muscle stimulator, electrocardiorecorder etc., also there is now the diagnostor be implanted in human body, for the heart beating of real-time diagnosis patient, pulsation, blood pressure or other information, such as disclosed in 201410134849.8, implanted instrument is the same, and it still needs to communicate with the external world, information could be spread out of in real time.Current diagnosis device is generally by dingus box and the implanted electron medical treatment unit be located in device box of unique design; Add for allowing implanted electron medical treatment unit form with extraneous antenna, implanted electron medical treatment unit is generally containing testing circuit, detector, battery etc.But, all there is certain problem in implantable medical diagnostor, comprise battery life, material etc., but a wherein maximum problem is exactly the quality of communication quality, because its space size of the implantable medical diagnostic equipment is limited, therefore the antenna often put in the inner all has that frequency range is narrow, isolation is poor, the shortcoming such as at the bottom of gain, and this drastically influence communication quality and therefore also drastically influence quality of diagnosis.Therefore, designing its built-in aerial a can have the implantable medical device of larger isolation and wider band limits to be need problem in the urgent need to address badly; In addition, also need solve be implantable medical diagnostor structure structure, device effectively can reduce the sensation of pricking to health, again can be rational in infrastructure.
Summary of the invention
The object of the invention is to overcome above-described shortcoming, a kind of medical implanted detector is provided.
For achieving the above object, concrete scheme of the present invention is as follows: a kind of medical implanted detector, include electron medical treatment detection module, also including for making the communication antenna of electron medical treatment detection module and PERCOM peripheral communication and cross section be the mesochite of H-shaped, above described mesochite, being provided with the first container cavity for holding electron medical treatment detection module; The second container cavity is provided with below described mesochite; Separator is provided with in described second container cavity and above mesochite; Described communication antenna includes antenna and lower antenna; Described lower antenna is located at below the separator in the second container cavity; Also include the plate-like upper casing above the isolation be located at above mesochite; Described upper antenna is located in plate-like upper casing; Also include the top shell for covering upper shell opener and the drain pan covering mesochite bottom opening.
Wherein, the end face of described top shell and the bottom surface of drain pan are arc surface.
Wherein, it is all first circular PCB substrate that upper antenna includes, and described first PCB substrate is provided with the first microstrip antenna; Described first microstrip antenna includes the first annulus arm, the second annulus arm, the 3rd annulus arm; Described first annulus arm, the second annulus arm, the 3rd annulus arm three are arranged with one heart; If be Y-axis through center of circle vertical direction, horizontal direction is X-axis, and described first annulus arm is provided with the first sector notch from the counterclockwise angle of Y-axis 122 ° to 132 ° regions; Described second annulus arm is provided with the second sector notch from the counterclockwise angle of Y-axis 40 ° to 50 ° regions; Described second annulus arm is provided with the 3rd sector notch from the counterclockwise angle of X-axis 4 ° to 14 ° regions; Described 3rd annulus arm is provided with four fan-shaped breach from the counterclockwise angle of Y-axis 40 ° to 50 ° regions; Described 3rd annulus arm is provided with the 5th sector notch from the clockwise angle of X-axis 66 ° to 81 ° regions;
Described first annulus arm is connected with the first fan-shaped linking arm from the counterclockwise angle of Y-axis 5 ° to clockwise angle 51 ° of regions and the second annulus arm; Described first annulus arm is connected with the second fan-shaped linking arm from the counterclockwise angle of X-axis 30 ° to clockwise angle 40 ° of regions and the second annulus arm; Described second annulus arm is connected with the fan-shaped linking arm of-three from the counterclockwise angle of Y-axis 114 ° to counterclockwise angle 122 ° of regions and the 3rd annulus arm; Described second annulus arm is connected with four fan-shaped linking arm from the clockwise angle of Y-axis 46 ° to clockwise angle 54 ° of regions and the 3rd annulus arm;
Described 3rd annulus arm is upwards extended with the first L-shaped linking arm from the place of the clockwise angle of Y-axis 5 °, also include the first parasitic oscillator arms in umbrella and the second parasitic oscillator arms, described first parasitic oscillator arms while with the second parasitic oscillator arms while be connected with the second linking arm, the another side of described first parasitic oscillator arms and the another side of the second parasitic oscillator arms are connected with the 3rd linking arm, and the free end of described first linking arm is connected with the another side of described first parasitic oscillator arms;
It is all the second circular PCB substrate and the 3rd PCB substrate that lower antenna includes; The bottom surface of the second PCB substrate and the end face superposition of the 3rd PCB substrate are set together;
The end face of the second PCB substrate is provided with the second microstrip antenna, described second microstrip antenna includes the first arc arm arranged around the second PCB substrate center of circle, also include the second arc arm arranged around the second PCB substrate center of circle, the central angle that described first arc arm is right and the right central angle of the second arc arm add up to 360 °; The external diameter of described first arc arm is identical with the external diameter of the first annulus arm; The external diameter of described second arc arm is identical with the external diameter of the second annulus arm;
Described 3rd PCB substrate bottom surface is provided with the 3rd microstrip antenna, described 3rd microstrip antenna includes the 3rd arc arm arranged around the 3rd PCB substrate center of circle, also include the 4th arc arm arranged around the 3rd PCB substrate center of circle, the central angle that described 3rd arc arm is right and the right central angle of the 4th arc arm add up to 360 °; The external diameter of described 3rd arc arm is identical with the external diameter of the second arc arm; The external diameter of described 4th arc arm is identical with the external diameter of the first annulus arm;
Described separator includes orthohexagonal metallic plate, and described separator is provided with multiple hexagonal through hole;
The back side of the first PCB substrate is provided with power feed hole, and the first annulus arm and power feed hole are electrically connected, and described power feed hole is used for and signal source positive pole couple feed; Described first arc arm is all coupled with signal source negative pole feed to the 4th arc arm.
Wherein, the described outer shroud of the first annulus arm and the radial width of internal ring are 0.8cm-1.2cm; The described outer shroud of the second annulus arm and the radial width of internal ring are 0.4cm-6cm; The described outer shroud of the 3rd annulus arm and the radial width of internal ring are 0.4cm-0.6cm.
Wherein, the described outer shroud of the second annulus arm is identical with the radial width of internal ring with the outer shroud of described 3rd annulus arm with the radial width of internal ring.
Wherein, the described outer shroud of the first annulus arm and the radial width of internal ring are 1cm.
Wherein, the described outer shroud of the 3rd annulus arm and the radial width of internal ring are 0.5cm.
Wherein, the first annulus arm is also provided with multiple equally spaced parasitic aperture arranged around center.
Wherein, the first to the 3rd PCB substrate size is identical, and the both sides of three are equipped with an arc notch, and arc notch place is equipped with micro-band screen layer.
Wherein, the bottom surface of described drain pan and the end face of top shell are equipped with the binding groove for both being tightened together;
Wherein, the upper opening of described mesochite is provided with O-ring seal with between corresponding separator, is also provided with O-ring seal between described upper shell opener and top shell;
Wherein, described drain pan and top shell outer surface are all coated with food-grade corrosion-resistant coating;
Beneficial effect of the present invention is: it is rational in infrastructure, arrange rationally without sensation of pricking, internal structure human body, it puts antenna frequencies wide ranges in the inner, isolation is better, gain is high; Research and development for implantable medical diagnostor provide good installation module, each company only need the implanted electron medical treatment Unit Design of oneself to become can insert this drain pan shape and thickness or size, just can realize good communication quality.
Accompanying drawing explanation
Fig. 1 is that the present invention skims the sectional view of antenna part;
Fig. 2 is the top view of the first PCB substrate of the present invention;
Fig. 3 is the top view of the first microstrip antenna of the present invention;
Fig. 4 is the top view of the second PCB substrate of the present invention;
Fig. 5 is the upward view of the 3rd PCB substrate of the present invention;
Fig. 6 is the top view of separator of the present invention;
Fig. 7 is that upper antenna of the present invention and lower antenna use the frequency range emulation testing figure closing timing simultaneously;
Fig. 8 is the directional diagram of communication antenna of the present invention;
Description of reference numerals in Fig. 1 to Fig. 8:
1-mesochite; 2-separator; 21-through hole; 3-upper casing; 4-top shell; 5-drain pan; 6-bundlees groove;
10-separator; 101-through hole;
K1-first PCB substrate;
K21-first annulus arm; K22-second annulus arm; K23-the 3rd annulus arm;
Q1-first sector notch; Q2-second sector notch; Q3-the 3rd sector notch; The four fan-shaped breach of Q4-; Q5-the 5th sector notch;
The fan-shaped linking arm of L1-first; The fan-shaped linking arm of L2-second; The fan-shaped linking arm of L3--the 3rd; The four fan-shaped linking arm of L4-;
K11-arc notch; The micro-band screen layer of K12-; The parasitic aperture of K211-; K31-first linking arm; The parasitic oscillator arms of K32-first; The parasitic oscillator arms of K33-second; K34-the 3rd linking arm; K35-second linking arm;
N1-second PCB substrate; N11-first arc arm; N12-second arc arm;
M1-the 3rd PCB substrate; M11-the 3rd arc arm; M12-the 4th arc arm.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is confined to this.
Embodiment 1:
As shown in Figures 1 to 8, the medical implanted detector of one described in the present embodiment, a kind of medical implanted detector, include electron medical treatment detection module, also including for making the communication antenna of electron medical treatment detection module and PERCOM peripheral communication and cross section be the mesochite 1 of H-shaped, above described mesochite 1, being provided with the first container cavity for holding electron medical treatment detection module; The second container cavity is provided with below described mesochite 1; Separator 10 is provided with in described second container cavity and above mesochite 1; Described communication antenna includes antenna and lower antenna; Described lower antenna is located at below the separator 10 in the second container cavity; Also include the plate-like upper casing 3 above the isolation be located at above mesochite 1; Described upper antenna is located in plate-like upper casing 3; Also include for covering the top shell 4 of upper casing 3 opening and covering the drain pan 5 of mesochite 1 bottom opening.It is rational in infrastructure, arrange rationally without sensation of pricking, internal structure human body, it puts antenna frequencies wide ranges in the inner, isolation is better, gain is high; Research and development for implantable medical diagnostor provide good installation module, each company only need the implanted electron medical treatment Unit Design of oneself to become can insert this drain pan 5 shape and thickness or size, just can realize good communication quality.
The medical implanted detector of one described in the present embodiment, the end face of described top shell 4 and the bottom surface of drain pan 5 are arc surface.To human body without sensation of pricking.
The medical implanted detector of one described in the present embodiment, it is all first circular PCB substrate K1 that upper antenna includes, and described first PCB substrate K1 is provided with the first microstrip antenna; Described first microstrip antenna includes the first annulus arm K21, the second annulus arm K22, the 3rd annulus arm K23; Described first annulus arm K21, the second annulus arm K22, the 3rd annulus arm K23 three are arranged with one heart; If be Y-axis through center of circle vertical direction, horizontal direction is X-axis, and described first annulus arm K21 is provided with the first sector notch Q1 from the counterclockwise angle of Y-axis 122 ° to 132 ° regions; Described second annulus arm K22 is provided with the second sector notch Q2 from the counterclockwise angle of Y-axis 40 ° to 50 ° regions; Described second annulus arm K22 is provided with the 3rd sector notch Q3 from the counterclockwise angle of X-axis 4 ° to 14 ° regions; Described 3rd annulus arm K23 is provided with four fan-shaped breach Q4 from the counterclockwise angle of Y-axis 40 ° to 50 ° regions; Described 3rd annulus arm K23 is provided with the 5th sector notch Q5 from the clockwise angle of X-axis 66 ° to 81 ° regions;
Described first annulus arm K21 is connected with the first fan-shaped linking arm L1 from the counterclockwise angle of Y-axis 5 ° to clockwise angle 51 ° of regions and the second annulus arm K22; Described first annulus arm K21 is connected with the second fan-shaped linking arm L2 from the counterclockwise angle of X-axis 30 ° to clockwise angle 40 ° of regions and the second annulus arm K22; Described second annulus arm K22 is connected with the fan-shaped linking arm L3 of-three from the counterclockwise angle of Y-axis 114 ° to counterclockwise angle 122 ° of regions and the 3rd annulus arm K23; Described second annulus arm K22 is connected with four fan-shaped linking arm L4 from the clockwise angle of Y-axis 46 ° to clockwise angle 54 ° of regions and the 3rd annulus arm K23;
Described 3rd annulus arm K23 is upwards extended with the first L-shaped linking arm K31 from the place of the clockwise angle of Y-axis 5 °, also include the first parasitic oscillator arms K32 in umbrella and the second parasitic oscillator arms K33, described first parasitic oscillator arms K32's while with the second parasitic oscillator arms K33's while be connected with the second linking arm K35, the another side of described first parasitic oscillator arms K32 and the another side of the second parasitic oscillator arms K33 are connected with the 3rd linking arm K34, and the free end of described first linking arm K31 is connected with the another side of described first parasitic oscillator arms K32;
It is all second circular PCB substrate N1 and the 3rd PCB substrate M1 that lower antenna includes; The bottom surface of the second PCB substrate N1 and the end face superposition of the 3rd PCB substrate M1 are set together;
The end face of the second PCB substrate N1 is provided with the second microstrip antenna, described second microstrip antenna includes the first arc arm N11 arranged around the second PCB substrate N1 center of circle, also include the second arc arm N12 arranged around the second PCB substrate N1 center of circle, the central angle that described first arc arm N11 is right and the right central angle of the second arc arm N12 add up to 360 °; The external diameter of described first arc arm N11 is identical with the external diameter of the first annulus arm K21; The external diameter of described second arc arm N12 is identical with the external diameter of the second annulus arm K22;
Described 3rd PCB substrate M1 bottom surface is provided with the 3rd microstrip antenna, described 3rd microstrip antenna includes the 3rd arc arm M11 arranged around the 3rd PCB substrate M1 center of circle, also include the 4th arc arm M12 arranged around the 3rd PCB substrate M1 center of circle, the central angle that described 3rd arc arm M11 is right and the right central angle of the 4th arc arm M12 add up to 360 °; The external diameter of described 3rd arc arm M11 is identical with the external diameter of the second arc arm N12; The external diameter of described 4th arc arm M12 is identical with the external diameter of the first annulus arm K21; Described separator 10 includes orthohexagonal metallic plate, and described separator 10 is provided with multiple hexagonal through hole 101; The back side of the first PCB substrate K1 is provided with power feed hole, and the first annulus arm K21 and power feed hole are electrically connected, and described power feed hole is used for and signal source positive pole couple feed; Described first arc arm N11 is all coupled with signal source negative pole feed to the 4th arc arm M12.
By being not less than the microstrip circuit structural design of 500 times, and by under being not less than 500 l-G simulation tests and parameter adjustment, finally determine above-mentioned antenna structure, and in actual test, upper antenna and lower antenna all can realize separately antenna communication function, like this, if there is an antenna to break down because of immersion or other reasons, another one antenna also can continue to play a role, and makes the standby stronger adaptive capacity of the appliance of implanted and service life, also improves stability.
The independent test of upper antenna: found by emulation testing and actual test, its frequency range is about 2.0GHz to 2.75GHz, and in frequency band, average gain is about 8.5dBi, and directivity is omni-directional, and it can meet communicating requirement substantially.In addition, the independent test of lower antenna: found by emulation testing and actual test, its frequency range is about 1.9GHz to 2.8GHz, and in frequency band, average gain is about 9.0dBi, and directivity is omni-directional, and it also can meet communicating requirement substantially.
What deserves to be explained is, pass through the adjustment of constantly test and antenna configuration, when upper antenna and lower antenna coordinate, can learn in emulation before reality test with test, the bandwidth of the communications antenna system of the communication antenna composition be combined together, isolation, gain aspect all have larger lifting, and this wherein it should be noted that gain and bandwidth frequency scope are not the simple superposition of both data, but having possessed new effect, the simulation value after wherein coordinating is as Fig. 5; This integrated antenna system bandwidth available frequency range reaches 1.7GHz to 2.9GHz; Its gain also obviously increases, and in frequency band, average gain is greater than 9.355dBi, compares rising about 0.7dBi; In addition, if add separator 102, if isolation in its isolation figure frequency band, isolation performance better, as Fig. 5, can find out that in S3 isolation is greater than 25.5dB in frequency range; Its directivity, as described in Figure 6, it is still omni-directional antenna.
Embodiment 2:
The medical implanted detector of one described in the present embodiment, the described outer shroud of the first annulus arm K21 and the radial width of internal ring are 0.8cm-1.2cm; The described outer shroud of the second annulus arm K22 and the radial width of internal ring are 0.4cm-6cm; The described outer shroud of the 3rd annulus arm K23 and the radial width of internal ring are 0.4cm-0.6cm.The medical implanted detector of one described in the present embodiment, the described outer shroud of the second annulus arm K22 is identical with the radial width of internal ring with the outer shroud of described 3rd annulus arm K23 with the radial width of internal ring.The medical implanted detector of one described in the present embodiment, the described outer shroud of the first annulus arm K21 and the radial width of internal ring are 1cm.The medical implanted detector of one described in the present embodiment, the described outer shroud of the 3rd annulus arm K23 and the radial width of internal ring are 0.5cm.The medical implanted detector of one described in the present embodiment, the first annulus arm K21 is also provided with multiple equally spaced parasitic aperture K211 arranged around center.The medical implanted detector of one described in the present embodiment, the first to the 3rd PCB substrate M1 size is identical, and the both sides of three are equipped with an arc notch K11, and arc notch K11 place is equipped with micro-band screen layer K12.Above-mentioned parameter is constantly being tested and is drawing in adjustment, and it is the most stable and design parameter that is performance the best, and concrete actual knot HFSS15 computed in software of testing draws, this total system beamwidth of antenna available frequency range is at 1.7GHz to 2.9GHz internal frequency modulation; In frequency band, average gain is greater than 9.4dBi, and impedance reduces; In frequency range, isolation is greater than 26dB; Find in reality test, the change of external environment, as temperature, influence of magnetic field change within the specific limits, the amplitude of variation of such as temperature about 10 degree, when adopting above-mentioned parameter and special value, very by force, frequency range conservation degree is better for its stability.
The medical implanted detector of one described in the present embodiment, the bottom surface of described drain pan 55 and the end face of top shell 44 are equipped with the binding groove 66 for both being tightened together;
The medical implanted detector of one described in the present embodiment, the upper opening of described mesochite 11 is provided with O-ring seal with between corresponding separator 102, is also provided with O-ring seal between described upper casing 33 opening and top shell 44; Phase anti-Hemostatic Oral Liquid or tissue fluid enter in body of wall, cause damage to device.
The medical implanted detector of one described in the present embodiment, described drain pan 55 and top shell 44 outer surface are all coated with food-grade corrosion-resistant coating; For anticorrosion, improve service life of the present invention.
The above is only a preferred embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in the protection domain of patent application of the present invention.