CN1646054A - Method and system for optically measuring swelling of the nose - Google Patents
Method and system for optically measuring swelling of the nose Download PDFInfo
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- CN1646054A CN1646054A CN03807842.2A CN03807842A CN1646054A CN 1646054 A CN1646054 A CN 1646054A CN 03807842 A CN03807842 A CN 03807842A CN 1646054 A CN1646054 A CN 1646054A
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- 230000008961 swelling Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 48
- 210000001331 nose Anatomy 0.000 claims description 47
- 238000005259 measurement Methods 0.000 claims description 26
- 238000001228 spectrum Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 210000003928 nasal cavity Anatomy 0.000 claims description 2
- 206010001497 Agitation Diseases 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000005562 fading Methods 0.000 claims 1
- 150000004820 halides Chemical class 0.000 claims 1
- 230000008520 organization Effects 0.000 claims 1
- 230000010363 phase shift Effects 0.000 claims 1
- 206010028748 Nasal obstruction Diseases 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 210000001519 tissue Anatomy 0.000 description 21
- 206010002198 Anaphylactic reaction Diseases 0.000 description 5
- 208000003455 anaphylaxis Diseases 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
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- 238000012067 mathematical method Methods 0.000 description 2
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- 238000006213 oxygenation reaction Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- INGWEZCOABYORO-UHFFFAOYSA-N 2-(furan-2-yl)-7-methyl-1h-1,8-naphthyridin-4-one Chemical compound N=1C2=NC(C)=CC=C2C(O)=CC=1C1=CC=CO1 INGWEZCOABYORO-UHFFFAOYSA-N 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 208000000592 Nasal Polyps Diseases 0.000 description 1
- 206010039085 Rhinitis allergic Diseases 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
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- 108010002255 deoxyhemoglobin Proteins 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
- A61B5/411—Detecting or monitoring allergy or intolerance reactions to an allergenic agent or substance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
- A61B5/14552—Details of sensors specially adapted therefor
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Immunology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to the field of the construction of device and relates more particularly to a method and a system which can for example be used to measure a nasal obstruction. The aim of the invention is to provide a method and a system which allows to measure the swelling of the nose. This aim is attained by a system that comprises a basic device (12) with light-producing components (13) and light-detecting components (14) and emitter and receiver elements (2, 3) that are disposed outside said basic device (12) on an application element (1). The aim is furthermore attained by a method according to which light is emitted from an optical emitter element (2). An optical receiver element (3) captures the light emerging in the area of emergence of the light from the side of the nose and records the incoming values and calculates therefrom diagnostically utilizable parameters.
Description
Technical field
The present invention relates to medical science and device manufacturing field, also relate to and be used for a kind of method and a kind of setting that the optical measurement swelling of the nose expands, this setting for example can be used for exciting the measurement nasal obstruction according to anaphylaxis.
Background technology
From medical angle, exist the requirement that the measurement that for example excites swelling state under for example anaphylactic reaction that causes when checking and swelling to change at nose is objectified.
Allergic rhinitis is passed through to improve symptomatic reaction district (stimulate sneeze, secretion is as tear symptom far away) at present and is diagnosed (Clement et al. by measurement nasal obstruction after being pressed in allergic stimulated by the survey nose; " Rhinomanometry-a review ", OPLJ.Otorhinolaryngol.Relat.Spec.46,173-91,1984).The shortcoming of surveying the nose pressure in this case is to measure between irritated implementation period.If nasal obstruction is serious, surveys the nose pressure and can make the patient very uncomfortable.If the patient mismatches through regular meeting and measurement error occurs.
The another kind of probability of determining nose and particularly nasal polyp swelling state is nasography (Fischer " Acoustic rhinometry ", Clin.Otolaryngol.22,307-17,1997).The measured value difference range of these measurements is quite big.Can only reach enough degree of accuracy to the nose fore-end.Can not carry out during the measurement that medicine excites or allergy excites.Can not continuous measurement in this method.
In addition, utilize these two kinds of methods can not illustrate that swelling of the nose expands and come from that microcirculation changes or edema forms.
Summary of the invention
The objective of the invention is to, a kind of method and a kind of setting that provide the optical measurement swelling of the nose to expand state utilize this method and this to be provided with and can particularly measure the bloated state of swelling of the nose as far as possible objectively during implementing to excite inspection.
This purpose is achieved by the present invention described in the claim.The theme that constitutes appurtenance with advantage.
Form by basic device according to the setting that optical measurement swelling of the nose of the present invention expands, have light-emitting component and photodetector and corresponding emission electron device and reception electronic installation and controller.In addition, realize between basic device and the optical emitting element that at least one optics connects, wherein, in the optics that leads to radiated element links, realize that by optical element the light that light-emitting component is produced continues to send.In addition, exist at least one optics to connect between optical receiver component and the light-emitting component.Be in the radiated element and the receiving element of implementing on the parts that be arranged on of basic device outside.In this regard, implement the setting that parts are realized radiated element and receiving element, the light by the radiated element emission can be passed at least one wing of nose has the tissue of swelling ability to arrive receiving element.In addition, implement the parts mouldable and reasonably be worn over nose top at least.
Utilize setting of the present invention to grasp the swelling of nose tissue by optical approach.In this regard, the nose tissue utilizes the light source irradiation by the radiated element emission from the outside, by cymoscope, receiving element grasp pass or the identical or relative wing of nose on the scattered light organized.This light passes at it and passes through a series of organized layers when nose is organized, as skin, and muscle group, mucosa, bone, cartilage and respiratory tract.The feature that a part is passed tissue is to have the swelling ability, particularly is in the nasal mucosa above the turbinates.In the tissue, when changing, swelling cause blood volume to increase in this section owing to blood flows into the swelling body.In this regard, blood is mainly from tremulous pulse, therefore at least 95% oxygen saturation under normal circumstances.In addition, with swelling may be relevant edema formation situation under, cause the tissue fluid capacity to increase.Therefore advantage is that spectral measurement is implemented in transmission, so that can be from measuring the volume part of separately grasping oxygenation and deoxyhemoglobin and tissue fluid.This point or a plurality of light sources that pass through to use white light source and spectrometer pick off (for example row of diodes spectrometer) or pass through the discontinuous alpha ray spectrum a of use (LED, laser diode) carry out.
Because the material of alleged participation swelling has different absorption spectrums, a kind of volume composition of corresponding mathematical method is separable absolute determined or determines relatively to be fine so utilize.This set was not also introduced in the past.
Advantage according to setting of the present invention is that this setting is characterised in that from outside non-intruding enforcement and simple to operate.
Description of drawings
Embodiment by accompanying drawing elaborates to the present invention below.The formation of this setting adapts with the inspection purpose.Wherein:
Fig. 1 illustrates front view (a) and the vertical view (b) of implementing parts;
Fig. 2 illustrates two embodiments implementing parts, has active radiated element and receiving element (a) and passive radiated element and receiving element (b);
Fig. 3 illustrates and implements parts and in the location of head and nose;
Fig. 4 illustrates the basic device that is provided with according to the present invention;
Fig. 5 illustrates the sketch map of nose cross section, and the position of swelling front and back optical element and transmission channels is shown;
The sketch map of delustring measured value when Fig. 6 illustrates the swelling variation.
The specific embodiment
At least be made up of basic device 12 according to setting of the present invention, have for satisfying and measure required emission electron device of purpose 15 and reception electronic installation 16 and implement parts 1, it directly contacts with the nose tissue during measuring.
Implementing parts 1 illustrates with a and b in Fig. 1.It is made up of stirrup shape matrix, and its both sides can reasonably be attached on the wing of nose in moulding.Implementing on the side of parts 1 photoemissive element to be set, optical emitting element 2 is provided with the element of light-receiving, optical receiver component 3 on opposite side.They or constitute as discontinuous radiation source and cymoscope, its optical axis the tissue direction on the location (Fig. 2 a), be connected with basic device 12 by electric wire 4, perhaps as realizing from being connected 6 with optics to basic device 12 optical transmission, 7 constitute, optics connects or utilizes its reflecting surface vertically-guided nose tissue, perhaps aims at tissue (Fig. 2 b) by corresponding optical deflection element which 5 (illuminator, micro-lens).
The basis on location Fig. 3 that implements parts 1 finishes by the forehead supporting band 8 that is installed in head.The effect of this supporting band is to form the fixed position for implementing parts 1 on the bridge of the nose during measuring.Implementing parts 1 is connected with supporting band 8 by bow 10.This connection constitutes like this, for example by the multi-directional ball joint 9 or the flexible metallic hose of stoppable, the enforcement parts is accurately located on the bridge of the nose.Other with relevant scheme is set can followingly constitutes according to of the present invention:
-implement parts to be adhered fixed on nose;
-implement parts by elastic webbing or can directly cooperate according to the band that head circumference is regulated with nose;
-implement parts and constitute as the framework of similar glasses and be placed on nasion portion, wherein, optical emitting element and receiving element by gravity pressure at the nose tissue;
-a kind of setting, wherein, radiated element and receiving element are arranged on two primary elements (trimmer), and they are separated from each other and are adhered fixed on each wing of nose.
But for accurately and repeated measure, stable and do not have the running fix on the space on nose except implementing parts, important suppress in addition and/or measure ectocine.Therefore what have advantage is, uses light filter or hide the measuring point by diffuser during measuring, and diffuser for example can be used as plastic jacket and locatees on supporting band simultaneously, during checking translate into when needing measurement field above.
Fig. 4 illustrates basic device 12, has the light-emitting component 13 and the photodetector 14 of device inside, and connecting 6,7 by optics can be connected the enforcement parts of introducing previously 1 on this device.Basic device 12 receives electronic installation 16 and top controller 17 compositions that can be connected other devices by data-interface by the emission electron device 15 of optics light-emitting component 13.Emission electron device 15 has a plurality of light-emitting components 13 on its outfan, its light is by optical element 18 packs.The light of pack is transported to optics and connects in 6.What be connected with the input that receives electronic installation 16 is photodetector 14, injects in this element from the light of optics connection 7.
For optical measurement swelling state with what distinguish that the swelling reason has advantage is that spectrometer is measured.Can use the light source of limited spectrum (LED, semiconductor laser) and to the enough sensitive optical sensor of selected spectral region (semiconductor photodetector, photomultiplier) for this reason.Also can select to use the cymoscope of white light source and spectrometer resolved measurement.The purpose of measuring is to grasp light at each useful wavelength under the time situation of change to weaken value (optical density (OD) of tissue).This point draws from the following relationship formula:
Wherein, I
s(λ, t) light intensity, I for when wavelength X and time point t, reflecting on the radiated element
D(λ is t) for arriving the light intensity on the receiving element.(λ t) is generally the function of interior light scattering of tissue and light absorption to delustring E, so the measured value of the geometry and the optical change of tissue is provided.Subtract each other E (λ by two wavelength
1, t)-E (λ
2, t), can determine to reflect the ratio of each tissue part's change in volume value and break away from the relative extent that geometric influence changes as far as possible.Like this, for example in the wavelength X of using the hemoglobin sensitivity
1=800nm and H
2The wavelength X of O sensitivity
2Under the situation of=970nm, the ratio between serum and the tissue fluid increase can be described.In addition, by using special optical measuring technique, can separately determine scattering and absorption characteristic.Need carry out the photon TOF measurement by high frequency modulated technology (intensity modulated of light source and the amplitude of received signal and phase measurement) or pulsed laser technique (application of short laser pulse and the time discrimination measurement of received signal) for this reason.Determine that from these measurement data these measuring methods of optical parametric and relevant mathematical method are existing knowledge and technology (Sevick et al for example,: " Quantiationof time-and frequency resolved optical spectra for the determination oftissue oxygenation ", Anal.Biochem.195,330-51,1991; Patterson et al., " Time resolved reflectance and transmittance for the non-invasivemeasurement of tissue optical properties ", Appl, Opt, 28,2331-36,1989).
Here illustrate and excite anaphylactic reaction (provocative test) measuring process.
After the personnel that will check are ready, locate like this near the bridge of the nose the nasion portion implementing parts, make the optical emitting element relative organizationally, and make optical radiation pass the tissue (Fig. 5) that the swelling ability is arranged as much as possible with receiving element.Then by manually, automatic or semi-automatic adjusting source strength and/or geophone sensitivity are adjusted to best as far as possible optical measurement signal that be suitable for can be by opto-mechanical, in the scope that electronics and/or software engineering are measured.Manually begin Data Detection by operator then.By the control of basic device internal controller 17, connect radiation source and grasp the cymoscope measured value by receiving electronic installation 16 simultaneously by emission electron device 15 repetitive sequences.Ambient light (dark signal) when disconnecting light source by separately measuring or by select measurement light source modulate the AC-part of sufficiently high optical signal, only measure the light that produces by light source, and do not measure the ambient light that may not be injected in the measuring device.
Delustring measured value when Fig. 6 schematically illustrates the swelling variation.The spectrum light that the baseline of measuring is depicted as under the no excited state weakens value.If 1-2 minute the time grasped this baseline in the window, by spraying the anaphylaxis material is fed one or two nasal cavity so, and with the Measuring Time point, for example the time point t by the foot switch feeding
PNote.Nose tissue beginning swelling when anaphylactic reaction then increases spectrum delustring susceptible of proof ground.Fig. 6 illustrates the spectrum extinction value, for ease of understanding at start time point t
PLast standardization.Swelling is at time point t
EOn reach steady statue, no longer include verifiable further swelling.Only time t＞＞t
E-t
PBack swelling just can be disappeared.From the time variation of spectrum extinction value, can derive this diagnosis information.Belong to this information particularly including
-as delustring rising E (λ)=E (λ, the t of the wavelength of degree of swelling intensity
E)-E (λ, t
P);
-as the different tissues part delustring value difference E (λ in the degree different wave length that partly increases of volume toward each other
1)-E (λ
2);
-(λ, the t) degree of shape are put the reaction time difference t=t that stablizes final state from firing time as swelling speed and as the curve E of swelling physiological process indicator
E-t
P
Reference numeral
1 implements parts
2 optical emitting elements
3 optical receiver components
4 electric wires
5 optical deflection element which
6 are connected with the optics of radiated element
7 are connected with the optics of receiving element
8 forehead supporting bands
9 universal ball joints
10 fixing bows
11 transmission channels
12 basic devices
13 light-emitting components
14 photodetectors
15 emission electron devices
16 receive electronic installation
17 controllers
18 optical elements
Claims (27)
1. the setting of the bloated state of optical measurement swelling of the nose, form by following parts:
-basic device (12) has light-emitting component (13) and photodetector (14) and corresponding emission electron device (15) and reception electronic installation (16) and controller (17),
At least one optics between-basic device (12) and the optical emitting element (2) connects (6), and wherein, continue to send to optics by the light that light-emitting component (13) is produced and connect the radiated element of realizing in (6) by optical element (18) (2),
At least one optics between-optical receiver component (3) and the light-emitting component (14) connects (7),
-can be arranged on the radiated element and the receiving element of implementing on the parts (1) (2 that be arranged on of basic device (12) outside, 3), wherein, implement parts and realize radiated element and receiving element (2,3) setting, light by radiated element (2) emission can be passed at least one wing of nose has the tissue of swelling ability to arrive receiving element (3)
-implement parts (1), mouldable reasonably is worn over nose top at least.
2. by the described setting of claim 1, wherein, can use one or more light source of different emission as light-emitting component (13).
3. by the described setting of claim 2, wherein, light-emitting component (13) is LED and/or laser instrument and/or halide lamp.
4. by the described setting of claim 1, wherein, emission electron device (15) is realized the constant optical power of light-emitting component (13).
5. by the described setting of claim 1, wherein, emission electron device (15) is realized the intensity modulated of light-emitting component (13).
6. by the described setting of claim 5, wherein, emission electron device (15) is realized the high frequency modulated of light-emitting component (13).
7. by the described setting of claim 1, wherein, emission electron device (13) is realized the light pulse of 1ns-persistent period.
8. by the described setting of claim 1, wherein, use one or more optical sensor and/or spectrometer cymoscope as photodetector (14).
9. by the described setting of claim 8, wherein, photodetector (14) is photosemiconductor cymoscope and/or photomultiplier.
10. by the described setting of claim 1, wherein, implement parts (1) and constitute by a stirrup shape rigidity matrix or two independent unit to slightly flexible.
11. by the described setting of claim 1, wherein, implement parts (1) and nose moulding reasonably be connected adhere to or by can around occipitalia extend/fixing band (8) that vertically moves or the support realization by similar glasses.
12. by the described setting of claim 11, wherein, between fixing band (8) and enforcement parts (1), the stable position that rationally connects for moulding realizes adjustable mechanical connection (9,10).
13., wherein, realize optics shielding element (8,9,10) around measurement field by the described setting of claim 1.
14. by the described setting of claim 13, wherein, shielding element (8,9,10) is light tight cover or light filter.
15. by the described setting of claim 1, wherein, implementing parts (1) upward at least two radiated elements of setting and receiving element (2,3), wherein, each radiated element and receiving element (2,3) are arranged on nose and implement on each side of parts (2).
A 16. method, be used for measuring one of at least the swelling of the nose state that expands under the situation of described setting using by claim 1-15, wherein, the light of light-emitting component (13) is connected (6) by optical element (16) is sent at least one optical emitting element (2) with at least one optics, this or these radiated element (2) is with this light emission, wherein, by this or these radiated element (2) in the setting of implementing on the parts (1), realize that light passes at least one wing of nose, at light in the zone that at least one wing of nose sends, at least one optical receiver component (3) receives the light that sends and connects (7) by optics and is transported to photodetector (14), before the nose that the swelling ability is arranged is organized in naturality or excitability swelling or during under the selected emission wavelength situation, will reflect that the light radiation spectrum delustring time that produces by light-emitting component (13) goes up the correlation values that changes and note and therefrom calculate the diagnosis parameter.
17. by the described method of claim 16, wherein, use the different light-emitting components (13) that has different emission for realizing measuring, luminous successively by emission electron device (15).
18., wherein, before realizing measurement, disconnect and measure dark value under light-emitting component (13) situation to proofread and correct environmental effect by the described method of claim 16.
19., wherein, during realizing measurement, when at least one wing of nose light is passed in grasp, realize the ionization meter of the light-emitting component (13) of grasp optics output by the described method of claim 16.
20., wherein,, after passing at least one wing of nose, realize the reception of light by spectrometer cymoscope (14) for distinguishing the independent white light source of different component of organization (13) emission light by the described method of claim 16.
21. by the described method of claim 16, wherein, the emission of light-emitting component (13) intensity modulated has the light of different carrier frequency, the optical signal that is received is grasped separately by the frequency division method.
22. by the described method of claim 21, wherein, intensity modulated sinusoidal realizes.
23. by the described method of claim 16, wherein, light-emitting component (13) is launched high frequency modulated light, and the optical signal that is received is determined phase shift and amplitude fading by demodulation.
24. by the described method of claim 16, wherein, the very short light pulse of light-emitting component (13) emission 1ns, and from the optical signal that is received, determine that by time discrimination measurement optical receiver component (3) interim photon arrives distribution.
25. by the described method of claim 16, wherein, the swelling of the nose of measuring each nasal cavity/wing of nose expands and separately implements and grasp.
26. by the described method of claim 16, wherein, the light of different wave length is transported to each the optical emitting element (2) on each wing of nose and is received by optical receiver component (3) from light-emitting component (13).
27. by the described method of claim 25, wherein, the light of different wave length is transported to each radiated element (2) at least on each wing of nose successively by each light-emitting component (13) at least.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10215212A DE10215212B4 (en) | 2002-04-02 | 2002-04-02 | Arrangement for the optical measurement of swelling conditions of the nose |
| DE10215212.8 | 2002-04-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1646054A true CN1646054A (en) | 2005-07-27 |
| CN1326488C CN1326488C (en) | 2007-07-18 |
Family
ID=28458613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038078422A Expired - Fee Related CN1326488C (en) | 2002-04-02 | 2003-04-01 | Method and system for optically measuring swelling of the nose |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1492447A1 (en) |
| JP (1) | JP2005521451A (en) |
| CN (1) | CN1326488C (en) |
| AU (1) | AU2003229517A1 (en) |
| CA (1) | CA2480970A1 (en) |
| DE (1) | DE10215212B4 (en) |
| WO (1) | WO2003082089A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301540A (en) * | 2012-03-05 | 2013-09-18 | 日本光电工业株式会社 | Airway adaptor and biological information acquiring system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10257371A1 (en) * | 2002-12-06 | 2004-06-24 | Technische Universität Dresden | Arrangement to be used for examining swelling of nasal mucosa when exposed to particular substances |
| WO2010050170A1 (en) * | 2008-10-30 | 2010-05-06 | 株式会社日立製作所 | Organism light measuring device |
| KR101399446B1 (en) * | 2012-09-24 | 2014-05-28 | 김승제 | Laser beam basking apparatus for rhinitis treatment |
| CN103549937B (en) * | 2013-11-07 | 2015-03-11 | 中国医科大学附属第一医院 | Tissue-swelling measurement instrument and control method thereof |
| DE102018000995A1 (en) | 2018-02-08 | 2019-08-08 | Sutter Medizintechnik Gmbh | Arrangement for the quantitative measurement of the elastic deformation of the lateral nasal wall (elastometry) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2310315A (en) * | 1940-10-07 | 1943-02-09 | Dow Chemical Co | Sodium sulphate flotation |
| US4830014A (en) * | 1983-05-11 | 1989-05-16 | Nellcor Incorporated | Sensor having cutaneous conformance |
| ES2162672T3 (en) * | 1996-04-01 | 2002-01-01 | Linde Medical Sensors Ag | RECOGNITION OF PARASITE SIGNS IN THE PULSOXIMETRIC MEASUREMENT. |
| US5846188A (en) * | 1997-01-17 | 1998-12-08 | Palti; Yoram | Sensor utilizing living muscle cells |
| AU4530399A (en) * | 1998-06-26 | 2000-01-17 | Triphase Medical Ltd. | A device for evaluating blood system properties |
| US6343224B1 (en) * | 1998-10-15 | 2002-01-29 | Sensidyne, Inc. | Reusable pulse oximeter probe and disposable bandage apparatus |
-
2002
- 2002-04-02 DE DE10215212A patent/DE10215212B4/en not_active Expired - Fee Related
-
2003
- 2003-04-01 AU AU2003229517A patent/AU2003229517A1/en not_active Abandoned
- 2003-04-01 JP JP2003579638A patent/JP2005521451A/en active Pending
- 2003-04-01 CN CNB038078422A patent/CN1326488C/en not_active Expired - Fee Related
- 2003-04-01 EP EP03722269A patent/EP1492447A1/en not_active Withdrawn
- 2003-04-01 WO PCT/DE2003/001146 patent/WO2003082089A1/en active Application Filing
- 2003-04-01 CA CA002480970A patent/CA2480970A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301540A (en) * | 2012-03-05 | 2013-09-18 | 日本光电工业株式会社 | Airway adaptor and biological information acquiring system |
| US9393376B2 (en) | 2012-03-05 | 2016-07-19 | Nihon Kohden Corporation | Airway adaptor and biological information acquiring system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005521451A (en) | 2005-07-21 |
| DE10215212A1 (en) | 2003-10-30 |
| CN1326488C (en) | 2007-07-18 |
| DE10215212B4 (en) | 2004-09-23 |
| EP1492447A1 (en) | 2005-01-05 |
| WO2003082089A1 (en) | 2003-10-09 |
| CA2480970A1 (en) | 2003-10-09 |
| AU2003229517A1 (en) | 2003-10-13 |
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