JPS6363430A - Probe for oximeter - Google Patents
Probe for oximeterInfo
- Publication number
- JPS6363430A JPS6363430A JP61206869A JP20686986A JPS6363430A JP S6363430 A JPS6363430 A JP S6363430A JP 61206869 A JP61206869 A JP 61206869A JP 20686986 A JP20686986 A JP 20686986A JP S6363430 A JPS6363430 A JP S6363430A
- Authority
- JP
- Japan
- Prior art keywords
- probe
- light
- adhesive tape
- support member
- emitting element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000523 sample Substances 0.000 title claims description 57
- 239000002390 adhesive tape Substances 0.000 claims description 20
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 5
- 230000031700 light absorption Effects 0.000 claims description 2
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 210000000624 ear auricle Anatomy 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 210000002683 foot Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004905 finger nail Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000000282 nail Anatomy 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000003371 toe Anatomy 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6838—Clamps or clips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
- A61B5/6819—Nose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6825—Hand
- A61B5/6826—Finger
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6829—Foot or ankle
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は皮膚の表面から光を投射し、肉質組織を透過
した光を検出して血液中の酸素飽和度を測定するオキシ
メータに使用するプローブに関する。[Detailed Description of the Invention] [Industrial Application Field] This invention is used in an oximeter that projects light from the surface of the skin and detects the light that has passed through the fleshy tissue to measure the oxygen saturation level in the blood. Regarding probes.
人体の肉質組織部位に外部から光を投射すると肉質組織
を透過した光は組織内を流れる血液により一部の波長の
光が吸収されるが、その吸収率は血液中の酸素飽和度に
関係している。この原理に基いて人体の肉質組織を挟ん
で発光部と受光部とを配置し、受光部の検出信号から動
脈血中の酸素飽和度を測定するオキシメータが開発され
、利用されている。When light is projected from the outside onto a fleshy tissue part of the human body, some wavelengths of the light that passes through the fleshy tissue are absorbed by the blood flowing within the tissue, but the absorption rate is related to the oxygen saturation level in the blood. ing. Based on this principle, an oximeter has been developed and used in which a light-emitting part and a light-receiving part are arranged with the fleshy tissue of the human body in between, and the oxygen saturation level in arterial blood is measured from the detection signal of the light-receiving part.
この種のオキシメータにおいては、発光部と受光部を備
えたプローブを装着する被検部位は一般的には指、鼻、
耳、手首、足指なとである。従来のプローブはこのよう
な多様な測定部位に対応するために、それぞれの部位の
形状に合せて作られているから、その特定の部位におい
て良好な装着性が確保されている（特開昭６０−３４４
３２号公報参照）。In this type of oximeter, the test area to which the probe equipped with a light emitting part and a light receiving part is attached is generally the finger, nose,
These include ears, wrists, and toes. In order to accommodate such a variety of measurement sites, conventional probes are made to suit the shape of each site, ensuring good fitability at that specific site (Japanese Patent Application Laid-Open No. 1983-1999). -344
(See Publication No. 32).
上記した従来のプローブにおいては、例えば指用のプロ
ーブでは指に装着するに適した形状と装着手段、例えば
クリップ、接着剤層などを備えているがこれを他の被検
部位、例えば鼻に装着しようとすると、装着性が著しく
悪（なったり、装着不能となってしまう。In the conventional probes mentioned above, for example, a finger probe has a shape and attachment means suitable for being attached to a finger, such as a clip, an adhesive layer, etc., but it is attached to another part to be examined, such as the nose. If you try to do so, the fit will be extremely poor (or you will not be able to wear it).
したがって、プローブは被検部位毎に異なる形状のもの
を多種類用意し、被検部位に合せて適当なものを選択す
ることになるから、使用者側もプローブの選択、管理に
十分な注意を必要とするし、プローブを供給する側も多
種類のものを供給しなげればならないことになり、製造
コストも割高なものにならざるを得なかった。Therefore, many types of probes with different shapes are prepared for each part to be examined, and the appropriate one must be selected according to the part to be examined, so the user should also be careful in selecting and managing the probe. In addition, the probe supplier also had to supply many different types of probes, and the manufacturing cost had to be relatively high.
また、従来のプローブは装着手段として接着剤を用いた
ものなどの場合には一回限りの使用しかできないなど、
使用者に負担のかかるものであった。In addition, conventional probes that use adhesive as a mounting means can only be used once.
This placed a burden on the user.
この発明は良好な装着性をもって多様な被検部位に共通
して使用することができる再使用可能なプローブを提供
することを目的とするものであって、投射光が肉質組織
を透過する間に生ずる光吸収を測定するオキＺメータ用
プローブにおいて、中央部に屈曲可能に形成した屈曲部
を設け、該屈曲部にリード線引出部を形成した扁平な可
撓性支持部材と、前記支持部材上に間隔を置いて配置さ
れた発光素子と受光素子とを具備したことを特徴とする
ものである。The purpose of this invention is to provide a reusable probe that can be commonly used for a variety of test sites with good wearability. An oximeter Z meter probe for measuring generated light absorption includes: a flat flexible support member having a bendable bending part formed in the center thereof and a lead wire pull-out part formed on the bending part; The device is characterized in that it includes a light emitting element and a light receiving element which are arranged at intervals.
プローブ支持部材上に配置された発光素子と受光素子の
中間に形成された屈曲部でプローブを曲げ、被検部位を
挟んで発光素子と受光素子が対向するようにプローブを
装着し、プローブの外側から適当な接着テープで被検部
位に固定するから、被検部位の形状が異なってもこれに
頑応して支持部材が撓んで被検部位に正確に装着するこ
とができる。また、プローブの外側から別体の接着テー
プで被検部位に固定するから、接着テープのみを交換す
ることによりプローブを再使用することができる。Bend the probe at the bend formed between the light-emitting element and the light-receiving element placed on the probe support member, attach the probe so that the light-emitting element and the light-receiving element face each other across the test area, and then Since it is fixed to the test site using a suitable adhesive tape, even if the test site has a different shape, the supporting member flexes to accommodate the different shapes of the test site and can be accurately attached to the test site. Furthermore, since the probe is fixed to the test site from the outside with a separate adhesive tape, the probe can be reused by replacing only the adhesive tape.
以下、この発明の実施例について説明する。第１図はこ
の発明を実施したプローブの断面図であり、第２図はそ
の平面図である。図において、１はプローブ、２は被検
部位の肉質組織に光を投射する発光ダイオードなどの発
光素子、３は発光素子１から投射され、組織を透過した
光を検出するフォトダイオードなどの受光素子、４は発
光素子２、受光素子３を支持する扁平な可撓性支持部材
、７は発光素子２．受光素子３のリード線を保護するリ
ード線引出部で、支持部材４と一体的に形成されている
。Examples of the present invention will be described below. FIG. 1 is a sectional view of a probe embodying the present invention, and FIG. 2 is a plan view thereof. In the figure, 1 is a probe, 2 is a light emitting element such as a light emitting diode that projects light onto the fleshy tissue of the test site, and 3 is a light receiving element such as a photodiode that detects the light projected from the light emitting element 1 and transmitted through the tissue. , 4 is a flat flexible support member that supports the light emitting element 2 and the light receiving element 3, and 7 is the light emitting element 2. This is a lead wire extraction portion for protecting the lead wires of the light receiving element 3, and is formed integrally with the support member 4.
また、８は支持部材４に設けた屈曲部で、発光素子２．
受光素子３を収容する部分よりも厚みを薄くしてあり、
プローブをこの部分で折曲げて被検部位に発光素子２と
受光素子３とを対向させて装着しやすく構成しである。Further, reference numeral 8 denotes a bent portion provided on the support member 4, and the light emitting element 2.
The thickness is made thinner than the part that accommodates the light receiving element 3,
The probe is bent at this portion so that the light-emitting element 2 and light-receiving element 3 face each other and can be easily attached to the test site.
リード線引出部７は、この屈曲部８に設けてあり、プロ
ーブを被検部位）て装着したとき、被検部位から直角方
向に離れる方向に向うから、リード線が患者にからむこ
とがない。The lead wire pull-out section 7 is provided at this bending section 8, and when the probe is attached to the test site, it faces in a direction perpendicularly away from the test site, so that the lead wire does not get entangled with the patient.
支持部材４は直接患者の被検部位に触れるものであるか
ら、発光素子２や受光素子３を支持するに必要な硬さも
求められるが、被検部位の形状に沿う適度の柔軟性も必
要であり、また消毒をおこなうことがあるから耐熱性、
耐薬品性も要求される。したがって、シリコンゴム等の
材料で構成するとよい。Since the support member 4 is in direct contact with the patient's area to be examined, it is required to have enough hardness to support the light emitting element 2 and the light receiving element 3, but it also needs to have appropriate flexibility to conform to the shape of the area to be examined. Yes, it is heat resistant and may be sterilized.
Chemical resistance is also required. Therefore, it is preferable to use a material such as silicone rubber.
第３図はプローブを患者の被検部位に装着するための接
着テープの平面図である。接着テープ１０の中央部には
スリット１１が設けられてあり、これはプローブ１のリ
ード線引出部７を通す部分である。１２はプローブ１の
ガイド用ポス６と係合する孔であり、接着テープ１０に
対するプローブ１の位置を正しく規定するためのもので
ある。FIG. 3 is a plan view of an adhesive tape for attaching a probe to a test site of a patient. A slit 11 is provided in the center of the adhesive tape 10, and this is a portion through which the lead wire extraction portion 7 of the probe 1 is passed. Reference numeral 12 denotes a hole that engages with the guide post 6 of the probe 1, and is used to correctly define the position of the probe 1 with respect to the adhesive tape 10.
なお、接着テープは外界の光が受光素−ｉ！−３Ｋ入射
して検出結果に影響を与えることがないよう連光性のあ
る黒色または茶色などにするとよい。Note that the adhesive tape receives external light from the light-receiving element-i! It is recommended to use a color such as black or brown with continuous light so that -3K incidence does not affect the detection results.
第４図も接着テープの他の例の平面図であり、第３図に
示すものより巾が狭くなっている。FIG. 4 is also a plan view of another example of the adhesive tape, which is narrower in width than the one shown in FIG.
次にプローブ１の装着について説明する。Next, mounting of the probe 1 will be explained.
第５図、第６図は手指にプローブを装着した状態を示す
もので、第５図は断面図を、第６図は外観を示す図であ
る。5 and 6 show the state in which the probe is attached to the finger. FIG. 5 is a cross-sectional view, and FIG. 6 is a view showing the external appearance.
第５図について説明すると、指１５の爪のある側にプロ
ーブ１の発光素子２が来るように、また指の腹側に受光
素子３が来るようにプローブ１を屈曲部８で折曲げて装
着し、プローブ１の外側から接着テープ１０で包み込む
ようにして固定する。このときプローブ１のリード線引
出部７を接着テープのスリット１１に通し、プローブ１
のボス６を接着テープの孔１２に合せてから指１５に装
着するとよい。To explain FIG. 5, the probe 1 is attached by bending it at the bending part 8 so that the light emitting element 2 of the probe 1 is on the side where the nail of the finger 15 is, and the light receiving element 3 is on the belly side of the finger. Then, wrap and fix the probe 1 with adhesive tape 10 from the outside. At this time, pass the lead wire extraction part 7 of the probe 1 through the slit 11 of the adhesive tape, and
It is preferable to fit the boss 6 of the adhesive tape into the hole 12 of the adhesive tape before attaching it to the finger 15.
第７図はプローブ１を鼻１６へ装着した状態を示すもの
で、鼻１６の峯部な挟んで発光素子２と受光素子３が対
向する位置に来るように屈曲部８からプローブを折曲げ
て装着する。接着テープは第４図に示すような巾の狭い
ものを使用することができる。リード線引出部７は顔よ
り前方に突出す方向に向うからリード線が顔面に当るこ
とがない。FIG. 7 shows the state in which the probe 1 is attached to the nose 16, and the probe is bent from the bent part 8 so that the light emitting element 2 and the light receiving element 3 are in a position facing each other across the ridge of the nose 16. Installing. A narrow adhesive tape as shown in FIG. 4 can be used. Since the lead wire pull-out portion 7 is oriented in a direction protruding forward from the face, the lead wire does not hit the face.
第８図はプローブ１を新生児の足１７に装着した状態を
示すものであって、足１７を挟んで発光素子２と受光素
子３が対向する位置に来るよう屈曲部８からプローブ１
を折曲げて装着する。接着テープは第４図に示すように
巾の狭いもの１３を使用することができる。FIG. 8 shows the state in which the probe 1 is attached to the foot 17 of a newborn baby.
Bend and attach. As shown in FIG. 4, a narrow adhesive tape 13 can be used.
第９図はプローブ１を耳たぶ１８に装着した状態を示す
もので、耳たぶ１８を挟企で発光素子２と受光素子３が
対向する位置に来るよう屈曲部８かもプローブ１を折曲
げて装着する。接着テープは長目のものを用いるとよい
。FIG. 9 shows the state in which the probe 1 is attached to the earlobe 18. The probe 1 is attached by pinching the earlobe 18 and bending the bending part 8 so that the light emitting element 2 and the light receiving element 3 are in a position facing each other. . It is best to use a long adhesive tape.
以上、この発明の実施例につ〜・て説明したが、例えば
プローブを指に装着するとき、爪側に発光素子が来るよ
うにすると測定結果が良好となるような場合には接着テ
ープのボスを受入れる孔１２を設けた部分に爪のマーク
を付したりして注意をうながすことができる。またプロ
ーブの固定手段としては、感圧接着剤等を用いた接着テ
ープのほか、各種の着脱自在なテープ類玲ゴム等を用い
ることができる。The embodiments of the present invention have been described above, but for example, when attaching a probe to a finger, if the measurement result is better if the light emitting element is placed on the fingernail side, the boss of the adhesive tape may be used. A claw mark can be attached to the part where the hole 12 for receiving the part is provided to call attention to it. Further, as means for fixing the probe, in addition to an adhesive tape using a pressure-sensitive adhesive or the like, various types of removable tapes such as rubber or the like can be used.
以上説明したように、この発明のプローブは被検部位の
多様な形状に対して自由に適合させることができ、どの
被検部位にも共通して使用することができるものである
。したがって、使用者は被検部位に応じた多種のプロー
ブの選択、管理にわずられされることもない。As explained above, the probe of the present invention can be freely adapted to various shapes of the region to be examined, and can be commonly used for any region to be examined. Therefore, the user does not have to worry about selecting and managing various types of probes depending on the region to be examined.
また、リード線は被検部位から離れる方向に向うよう引
出されるのでリード線が患者の顔面など体の表面に触れ
て不快感を与えることがない。Further, since the lead wire is pulled out in a direction away from the test site, the lead wire does not touch the surface of the patient's body such as the face and cause discomfort.
さらに、プローブと装着用の部材、即ち接着テープとを
別体のものとしたので、プローブを繰返し吋使用するこ
とができる。Furthermore, since the probe and the mounting member, ie, the adhesive tape, are made separate, the probe can be used repeatedly.
第１図はこの発明を実施したプローブの断面図、第２図
は同じくプローブの平面図、第３図、第４図はプローブ
を装着するとき使用する接着テープの平面図、第５図は
プローブを指に装着した状態を示す断面図、第６図はプ
ローブを指に装着した状態の外観図、第７図はプローブ
を鼻に装着した状態の外観図、第８図はプローブを足尾
装着した状態の外観図、第９図はプローブを耳たぶて装
着した状態の外観図である。
１ニゲローブ、２：発光素子、３：受光素子、４：支持
部材、６：ボス、７：リード線引出部、８：屈曲部。
特許出願人 ミノルタカメラ株式会社
第 ７ 図
第 ８ 図
Ｎ６図
第 ９ 図Fig. 1 is a sectional view of a probe embodying the present invention, Fig. 2 is a plan view of the probe, Figs. 3 and 4 are plan views of adhesive tape used to attach the probe, and Fig. 5 is a plan view of the probe. Figure 6 is an external view of the probe attached to the finger, Figure 7 is an external view of the probe attached to the nose, and Figure 8 is the probe attached to the tail of the foot. Fig. 9 is an external view of the probe with the probe attached to the earlobe. 1 Niger lobe, 2: Light emitting element, 3: Light receiving element, 4: Support member, 6: Boss, 7: Lead wire extraction part, 8: Bent part. Patent applicant: Minolta Camera Co., Ltd. Figure 7 Figure 8 Figure N6 Figure 9
Claims (2)
測定するオキシメータ用プローブにおいて、中央部に屈
曲可能に形成した屈曲部を設け、該屈曲部にリード線引
出部を形成した扁平な可撓性支持部材と、前記支持部材
上に間隔を置いて配置された発光素子と受光素子とを具
備したことを特徴とするオキシメータ用プローブ。(1) In an oximeter probe that measures light absorption that occurs while projected light passes through fleshy tissue, a flattened probe is provided with a bendable bending part in the center and a lead wire extraction part is formed in the bending part. 1. An oximeter probe comprising: a flexible support member; and a light emitting element and a light receiving element spaced apart from each other on the support member.
するための接着テープの位置決め用突起を備えたことを
特徴とする特許請求の範囲第１項記載のオキシメータ用
プローブ。(2) The oximeter probe according to claim 1, wherein the support member is provided with a protrusion for positioning an adhesive tape for adhesively fixing the oximeter probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61206869A JPS6363430A (en) | 1986-09-04 | 1986-09-04 | Probe for oximeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61206869A JPS6363430A (en) | 1986-09-04 | 1986-09-04 | Probe for oximeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6363430A true JPS6363430A (en) | 1988-03-19 |
Family
ID=16530386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61206869A Pending JPS6363430A (en) | 1986-09-04 | 1986-09-04 | Probe for oximeter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6363430A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01152612U (en) * | 1988-04-12 | 1989-10-20 | ||
| US5058588A (en) * | 1989-09-19 | 1991-10-22 | Hewlett-Packard Company | Oximeter and medical sensor therefor |
| US5149213A (en) * | 1990-07-11 | 1992-09-22 | Brother Kogyo Kabushiki Kaisha | Noise reducing back stopper for an impact print head |
| JP2001314395A (en) * | 1999-10-13 | 2001-11-13 | Arkray Inc | Blood collecting position indicating apparatus |
| JP2006518240A (en) * | 2003-02-05 | 2006-08-10 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Finger medical sensor |
-
1986
- 1986-09-04 JP JP61206869A patent/JPS6363430A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01152612U (en) * | 1988-04-12 | 1989-10-20 | ||
| US5058588A (en) * | 1989-09-19 | 1991-10-22 | Hewlett-Packard Company | Oximeter and medical sensor therefor |
| US5149213A (en) * | 1990-07-11 | 1992-09-22 | Brother Kogyo Kabushiki Kaisha | Noise reducing back stopper for an impact print head |
| JP2001314395A (en) * | 1999-10-13 | 2001-11-13 | Arkray Inc | Blood collecting position indicating apparatus |
| JP4555917B2 (en) * | 1999-10-13 | 2010-10-06 | アークレイ株式会社 | Blood sampling position indicator |
| JP2006518240A (en) * | 2003-02-05 | 2006-08-10 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Finger medical sensor |
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