CN105305024A - Implantable medical detection device - Google Patents
Implantable medical detection device Download PDFInfo
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- CN105305024A CN105305024A CN201510643784.4A CN201510643784A CN105305024A CN 105305024 A CN105305024 A CN 105305024A CN 201510643784 A CN201510643784 A CN 201510643784A CN 105305024 A CN105305024 A CN 105305024A
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- checkout gear
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- 238000001514 detection method Methods 0.000 title abstract 5
- 238000002955 isolation Methods 0.000 claims abstract description 68
- 238000004891 communication Methods 0.000 claims abstract description 22
- 230000005855 radiation Effects 0.000 claims description 61
- 230000003071 parasitic effect Effects 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 28
- 238000007373 indentation Methods 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 8
- 230000004308 accommodation Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 10
- 101150006573 PAN1 gene Proteins 0.000 description 7
- 238000003745 diagnosis Methods 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000035824 paresthesia Diseases 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001194 anti-hemostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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- Measuring And Recording Apparatus For Diagnosis (AREA)
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Abstract
The invention discloses an implantable medical detection device. The implantable medical detection device comprises an implantable electronic medical unit and further comprises a dish-like bottom casing, wherein the bottom casing is internally provided with an accommodation chamber used for accommodating the implantable electronic medical unit, an isolation dish covering an opening of the bottom casing is further comprised, the isolation dish is provided with a disk-like middle casing used for disposing an antenna, a cover casing used for covering an opening of the middle casing is further comprised, and the middle casing is internally provided with a communication antenna making the implantable electronic medical unit communicate with the external part. According to the implantable medical detection device, the structure is reasonable, no pricky pain is exerted on a human body, the internal structure is reasonable in design, the built-in antenna has a wide frequency scope, relatively good isolation and high gain, a relatively good mounting module is provided for development of implantable medical detection devices, for companies, implantable electronic medical units should be designed to be in corresponding shapes and thickness or sizes so that the implantable electronic medical units can be arranged in the bottom casing, and relatively good communication quality can be realized.
Description
Technical field
The present invention relates to a kind of implantable medical checkout gear.
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 heartbeat of real-time diagnosis patient, pulsation, blood pressure or other information, the same with other implantation medical equipments, 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 implantable medical diagnostic device 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 tingling sensation 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 implantable medical checkout gear is provided.
For achieving the above object, concrete scheme of the present invention is as follows: a kind of implantable medical checkout gear, includes implanted electron medical treatment unit, also includes plate-like drain pan, is provided with the container cavity for holding implanted electron medical treatment unit in described drain pan; Also include the separator being covered in drain pan opening; Described separator is provided with the plate-like mesochite for placing antenna; Also include the lid shell for shell opener in covering; The communication antenna for allowing implanted electron medical treatment unit communicate with the external world is provided with in described mesochite.
Wherein, the top of described lid shell is arc surface.
Wherein, described communication antenna includes the first circular PCB substrate, is located at the microstrip antenna of the first PCB substrate end face; Described microstrip antenna includes size identical and symmetrical first radiating element and the second radiating element; Each radiating element includes the first radiation arm in arcuation, described first radiation arm extends leg-of-mutton second radiation arm to center, described first radiation arm also extends leg-of-mutton 3rd radiation arm to center, described second radiation arm is located in the region that the 3rd radiation arm and the first radiation arm surround; Also include the 4th trapezoidal radiation arm extended to center from the first radiation arm, described 3rd radiation arm is located in the region that the 4th radiation arm and the first radiation arm surround; The trapezoidal straight flange of described 4th radiation arm is provided with multiple semicircular isolation breach; Described first radiating element includes the first parasitic oscillator arms that hypotenuse extends obliquely from of its 4th radiation arm, and the free end of described first parasitic oscillator arms has also laterally extended the second parasitic oscillator arms; Described second radiating element includes the trixenie oscillator arms of extending obliquely from a lower hypotenuse of its 4th radiation arm, and the free end of described trixenie oscillator arms has also laterally extended the 4th parasitic oscillator arms;
Be provided with the parasitic oscillator unit of rectangle between described two radiating elements, the limit, two, left and right of the parasitic oscillator unit of described rectangle is zigzag, and the centre of the parasitic oscillator unit of described rectangle is provided with multiple rectangular indentation side by side;
The described first PCB substrate back side is provided with two feed coupling apertures corresponding with two the first oscillator arms respectively;
Described separator is the separator of disc shaped, and described separator comprises the second PCB substrate, and is located at the circular magnetic flow metering-orifice in the second PCB substrate, end face in described second PCB substrate is also provided with laterally zygomorphic two isolation strip, each described isolation strip includes lateral isolation bar, the two ends of described lateral isolation bar are provided with the first vertical isolation bar, extend from lateral isolation bar between two the first vertical isolation bars and have and the first vertical isolation bar the second vertical isolation bar in the same way, described second vertical isolation bar is shorter than the length of the first vertical isolation bar, extend from lateral isolation bar in the middle of described two the second vertical isolation bars and have and the first vertical isolation bar the 3rd spacer bar in the same way, described 3rd spacer bar is shorter than the length of the second vertical isolation bar.
Wherein, described second radiation arm is identical by the angular dimension at paracentral angle with the 3rd radiation arm by the angle at paracentral angle, and is all greater than 15 ° and is less than 60 °.
Wherein, if the distance between rectangular indentation is M; If the quantity of rectangular indentation is N; If the second parasitic oscillator arms is identical with the length of the 4th parasitic oscillator arms and length is all set to K; Described K=M*0.25*N; The unit of described M and K is millimeter.
Wherein, what described second radiation arm leaned on the angle at paracentral angle is 35 degree.
Wherein, the edge of the end face of described first PCB substrate is provided with circle first cage ring, and the edge of the bottom surface of the first PCB substrate is provided with circle second cage ring.
Wherein, concrete described M is 0.8mm; Described N is 48, and the length of described K is 9.6mm.
Wherein, the bottom surface of described drain pan and the end face of lid shell are equipped with the binding groove for both being tightened together;
Wherein, the outer surface of described drain pan and lid shell is all coated with food-grade corrosion-resistant coating;
Wherein, described drain pan opening is provided with O-ring seal, and the opening of described mesochite is also provided with O-ring seal.
Beneficial effect of the present invention is: it is rational in infrastructure, arrange rationally without tingling sensation, 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 vertical view of communication antenna of the present invention;
Fig. 3 is the vertical view of separator of the present invention;
Fig. 4 is the upward view of the first PCB substrate of the present invention;
Fig. 5 is the vertical view of communication antenna of the present invention;
Fig. 6 is the frequency range emulation testing figure that communication antenna of the present invention and separator do not conform to timing;
Fig. 7 is the frequency range emulation testing figure that communication antenna of the present invention and separator close timing;
Fig. 8 is the directional diagram of communication antenna of the present invention;
Description of reference numerals in Fig. 1 to Fig. 8:
1-drain pan; 2-separator 3-mesochite; 4-O-ring seal; 5-lid shell; 6-bundlees groove;
71-first PCB substrate; 711-first cage ring; 712-first radiation arm; 713-second radiation arm; 714-the 3rd radiation arm; 715-the 4th radiation arm; The parasitic oscillator arms of 716-first; The parasitic oscillator arms of 717-second; The parasitic oscillator unit of 721-rectangle; 722-rectangular indentation; 731-trixenie oscillator arms; The parasitic oscillator arms of 732-the 4th; 741-second cage ring; 742-feed coupling aperture;
8-second PCB substrate; 81-lateral isolation bar; 82-first vertical isolation bar; 83-second vertical isolation bar; The straight spacer bar of 84-the 3rd.
Embodiment
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, a kind of implantable medical checkout gear described in the present embodiment, includes implanted electron medical treatment unit, also includes plate-like drain pan 1, is provided with the container cavity for holding implanted electron medical treatment unit in described drain pan 1; Also include the separator 2 being covered in drain pan 1 opening; Described separator 2 is provided with the plate-like mesochite 3 for placing antenna; Also include the lid shell 5 for covering mesochite 3 opening; The communication antenna for allowing implanted electron medical treatment unit communicate with the external world is provided with in described mesochite 3.A kind of implantable medical checkout gear described in the present embodiment, the top of described lid shell 5 is arc surface.The present invention is that the research and development of 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 1 shape and thickness or size, just can realize good communication quality.A kind of implantable medical diagnostor described in the present embodiment, the top of described lid shell 5 is arc surface.It can effectively prevent from stabbing or shouting pain patient, alleviates the implantation pain of patient.
Described a kind of implantable medical checkout gear, described communication antenna includes the first circular PCB substrate 71, is located at the microstrip antenna of the first PCB substrate 71 end face, described microstrip antenna includes size identical and symmetrical first radiating element and the second radiating element, each radiating element includes the first radiation arm 712 in arcuation, described first radiation arm 712 extends leg-of-mutton second radiation arm 713 to center, described first radiation arm 712 also extends leg-of-mutton 3rd radiation arm 714 to center, described second radiation arm 713 is located in the region that the 3rd radiation arm 714 and the first radiation arm 712 surround, also include the 4th trapezoidal radiation arm 715 extended to center from the first radiation arm 712, described 3rd radiation arm 714 is located in the region that the 4th radiation arm 715 and the first radiation arm 712 surround, the trapezoidal straight flange of described 4th radiation arm 715 is provided with multiple semicircular isolation breach, described first radiating element includes the first parasitic oscillator arms 716 that hypotenuse extends obliquely from of its 4th radiation arm 715, and the free end of described first parasitic oscillator arms 716 has also laterally extended the second parasitic oscillator arms 717, described second radiating element includes the trixenie oscillator arms 731 of extending obliquely from a lower hypotenuse of its 4th radiation arm 715, and the free end of described trixenie oscillator arms 731 has also laterally extended the 4th parasitic oscillator arms 732, be provided with the parasitic oscillator unit 721 of rectangle between described two radiating elements, the limit, two, left and right of the parasitic oscillator unit 721 of described rectangle is zigzag, and the centre of the parasitic oscillator unit 721 of described rectangle is provided with multiple rectangular indentation 722 side by side, described first PCB substrate 71 back side is provided with two feed coupling apertures 742 corresponding with two the first oscillator arms respectively, described separator 2 is the separator 2 of disc shaped, and described separator 2 comprises the second PCB substrate 8, and is located at the circular magnetic flow metering-orifice in the second PCB substrate 8, end face in described second PCB substrate 8 is also provided with laterally zygomorphic two isolation strip, each described isolation strip includes lateral isolation bar 81, the two ends of described lateral isolation bar 81 are provided with the first vertical isolation bar 82, extend from lateral isolation bar 81 between two the first vertical isolation bars 82 and have and the first vertical isolation bar 82 the second vertical isolation bar 83 in the same way, the length of described second vertical isolation bar 83 to the first vertical isolation bar 82 is short, extend from lateral isolation bar 81 in the middle of described two the second vertical isolation bars 83 and have and the first vertical isolation bar 82 the 3rd spacer bar in the same way, described 3rd spacer bar is shorter than the length of the second vertical isolation bar 83.By being not less than the microstrip circuit structural design of 550 times, and by under being not less than 500 l-G simulation tests and parameter adjustment, the partition plate structure finally determining above-mentioned antenna structure and coordinate with it, this antenna possesses wider frequency range and preferably isolation and directivity and gain performance when coordinating with division board, meet instructions for use completely, improve the communication performance of implantable medical device.
Especially when this structural insulated panel of removing or placement common metal division board, as Fig. 6, this beamwidth of antenna available frequency range is still up to 1.7GHz to 2.65GHz; Substantially meet the requirement of communications band, its gain is also higher, and in frequency band, average gain is greater than 8.952dBi; Meet actual use needs.The design of this shape division board is also drawn by emulation and continuous EXPERIMENTAL DESIGN, wherein, screw stereo antenna is comprised when this division board being placed other prior art antennas and coordinating, its matching is not high, and isolation performance strengthens not obvious, when testing ordinary antennas, this division board in cooperation, average gain increases 0.01-0.15dBi or does not increase, and isolation performance is constant, and frequency range is without change.And reality test with test before emulation in can learn, test when the communication antenna in this programme coordinates with the division board of this programme, the bandwidth of the communication antenna of this programme, isolation, gain aspect all exceed Antenna Design when not adding division board, and the simulation value after wherein coordinating is as Fig. 7.This integrated antenna system bandwidth available frequency range reaches 1.6GHz to 2.85GHz; Its gain also obviously increases, and in frequency band, average gain is greater than 9.4dBi, compares rising about 0.3dBi; If isolation in its isolation figure frequency band in addition, isolation performance better, as Fig. 6, can find out that in S3 isolation is greater than 25.5dB in frequency range.Its directivity, as described in Figure 8, it is omni-directional antenna.
Embodiment 2:
A kind of implantable medical checkout gear described in the present embodiment, is with the difference of embodiment 1, is provided with concrete preferred parameter, make antenna structure more stable, every communication performance is more reliable and stable, does not beat; Concrete, described second radiation arm 713 is identical by the angular dimension at paracentral angle with the 3rd radiation arm 714 by the angle at paracentral angle, and is all greater than 15 ° and is less than 60 °.A kind of implantable medical checkout gear described in the present embodiment, if the distance between rectangular indentation 722 is M; If the quantity of rectangular indentation 722 is N; If the second parasitic oscillator arms 717 is identical with the length of the 4th parasitic oscillator arms 732 and length is all set to K; Described K=M*0.25*N; The unit of described M and K is millimeter.After arranging above-mentioned parameter restriction, found by great many of experiments and emulation, its gain is more stable, and isolation also remains on higher level.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 software of testing calculates, and this total system beamwidth of antenna available frequency range is at 1.6GHz to 2.8GHz internal frequency modulation; In frequency band, average gain is greater than 9.35dBi, 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 changes in amplitude 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.
Preferably, a kind of implantable medical checkout gear described in the present embodiment, what described second radiation arm 713 leaned on the angle at paracentral angle is 35 degree.A kind of implantable medical checkout gear described in the present embodiment, the edge that the edge of the end face of described first PCB substrate 71 is provided with the bottom surface of circle first cage ring 711, first PCB substrate 71 is provided with circle second cage ring 741.For increasing isolation bottom the first PCB substrate 71.A kind of implantable medical checkout gear described in the present embodiment, concrete described M is 0.8mm; Described N is 48, and the length of described K is 9.6mm.
A kind of implantable medical diagnostor described in the present embodiment, the bottom surface of described drain pan 1 and the end face of lid shell 5 are equipped with the binding groove 6 for both being tightened together; A kind of implantable medical diagnostor described in the present embodiment, the outer surface of described drain pan 1 and lid shell 5 is all coated with food-grade corrosion-resistant coating; For anticorrosion, improve useful life of the present invention; A kind of implantable medical diagnostor described in the present embodiment, described drain pan 1 opening is provided with O-ring seal 4, and the opening of described mesochite 3 is also provided with O-ring seal 4.Phase anti-Hemostatic Oral Liquid or tissue fluid enter in body of wall, cause damage to device.
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 range of patent application of the present invention.
Claims (8)
1. an implantable medical checkout gear, includes implanted electron medical treatment unit, it is characterized in that: also include plate-like drain pan (1), is provided with the container cavity for holding implanted electron medical treatment unit in described drain pan (1); Also include the separator (2) being covered in drain pan (1) opening; Described separator (2) is provided with the plate-like mesochite (3) for placing antenna; Also include the lid shell (5) for covering mesochite (3) opening; The communication antenna for allowing implanted electron medical treatment unit communicate with the external world is provided with in described mesochite (3).
2. a kind of implantable medical checkout gear according to claim 1, is characterized in that: the top of described lid shell (5) is arc surface.
3. a kind of implantable medical checkout gear according to claim 1, is characterized in that: described communication antenna includes circular the first PCB substrate (71), is located at the microstrip antenna of the first PCB substrate (71) end face; Described microstrip antenna includes size identical and symmetrical first radiating element and the second radiating element; Each radiating element includes the first radiation arm (712) in arcuation, described first radiation arm (712) extends leg-of-mutton second radiation arm (713) to center, described first radiation arm (712) also extends leg-of-mutton 3rd radiation arm (714) to center, described second radiation arm (713) is located in the region that the 3rd radiation arm (714) and the first radiation arm (712) surround; Also include the 4th trapezoidal radiation arm (715) extended to center from the first radiation arm (712), described 3rd radiation arm (714) is located in the region that the 4th radiation arm (715) and the first radiation arm (712) surround; The trapezoidal straight flange of described 4th radiation arm (715) is provided with multiple semicircular isolation breach; Described first radiating element includes the first parasitic oscillator arms (716) that hypotenuse extends obliquely from of its 4th radiation arm (715), and the free end of described first parasitic oscillator arms (716) has also laterally extended the second parasitic oscillator arms (717); Described second radiating element includes the trixenie oscillator arms (731) of extending obliquely from a lower hypotenuse of its 4th radiation arm (715), and the free end of described trixenie oscillator arms (731) has also laterally extended the 4th parasitic oscillator arms (732);
Be provided with the parasitic oscillator unit (721) of rectangle between described two radiating elements, the limit, two, left and right of the parasitic oscillator unit (721) of described rectangle is zigzag, and the centre of the parasitic oscillator unit (721) of described rectangle is provided with multiple rectangular indentation (722) side by side;
Described first PCB substrate (71) back side is provided with two feed coupling apertures (742) corresponding with two the first oscillator arms respectively;
The separator (2) that described separator (2) is disc shaped, described separator (2) comprises the second PCB substrate (8), and is located at the circular magnetic flow metering-orifice in the second PCB substrate (8), end face on described second PCB substrate (8) is also provided with laterally zygomorphic two isolation strip, each described isolation strip includes lateral isolation bar (81), the two ends of described lateral isolation bar (81) are provided with the first vertical isolation bar (82), extend from lateral isolation bar (81) between two the first vertical isolation bars (82) and have and the first vertical isolation bar (82) the second vertical isolation bar (83) in the same way, described second vertical isolation bar (83) is shorter than the length of the first vertical isolation bar (82), extend from lateral isolation bar (81) in the middle of described two the second vertical isolation bars (83) and have and the first vertical isolation bar (82) the 3rd spacer bar in the same way, described 3rd spacer bar is shorter than the length of the second vertical isolation bar (83).
4. a kind of implantable medical checkout gear according to claim 3, it is characterized in that: described second radiation arm (713) is identical by the angular dimension at paracentral angle with the 3rd radiation arm (714) by the angle at paracentral angle, and is all greater than 15 ° and is less than 60 °.
5. a kind of implantable medical checkout gear according to claim 3, is characterized in that: set distance between rectangular indentation (722) as M; If the quantity of rectangular indentation (722) is N; If the second parasitic oscillator arms (717) is identical with the length of the 4th parasitic oscillator arms (732) and length is all set to K; Described K=M*0.25*N; The unit of described M and K is millimeter.
6. a kind of implantable medical checkout gear according to claim 4, is characterized in that: described second radiation arm (713) by paracentral angle angle be 35 degree.
7. a kind of implantable medical checkout gear according to claim 3, it is characterized in that:, the edge of the end face of described first PCB substrate (71) is provided with circle first cage ring (711), and the edge of the bottom surface of the first PCB substrate (71) is provided with circle second cage ring (741).
8. a kind of implantable medical checkout gear according to claim 5, is characterized in that: concrete described M is 0.8mm; Described N is 48, and the length of described K is 9.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510643784.4A CN105305024B (en) | 2015-10-08 | 2015-10-08 | A kind of implantable medical detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510643784.4A CN105305024B (en) | 2015-10-08 | 2015-10-08 | A kind of implantable medical detection device |
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| CN105305024A true CN105305024A (en) | 2016-02-03 |
| CN105305024B CN105305024B (en) | 2016-08-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9399143B2 (en) * | 2008-10-31 | 2016-07-26 | Medtronic, Inc. | Antenna for implantable medical devices formed on extension of RF circuit substrate and method for forming the same |
| US8050771B2 (en) * | 2008-12-29 | 2011-11-01 | Medtronic, Inc. | Phased array cofire antenna structure and method for operating the same |
| CN103594783B (en) * | 2012-12-28 | 2015-04-08 | 中国科学院电子学研究所 | Ultra wide band triangle plane resistive film antenna |
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