JP2941918B2 - Weighing device - Google Patents
Weighing deviceInfo
- Publication number
- JP2941918B2 JP2941918B2 JP2247288A JP24728890A JP2941918B2 JP 2941918 B2 JP2941918 B2 JP 2941918B2 JP 2247288 A JP2247288 A JP 2247288A JP 24728890 A JP24728890 A JP 24728890A JP 2941918 B2 JP2941918 B2 JP 2941918B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- container
- blood
- inclination
- bag
- 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.)
- Expired - Fee Related
Links
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- External Artificial Organs (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、採血装置や血漿分離装置の如くにおいて、
血液容器等の容器内重量を求めるための秤量装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a blood collection device and a plasma separation device,
The present invention relates to a weighing device for determining the weight in a container such as a blood container.
［従来の技術］ 従来、特開平１−288236号公報に記載される如くの採
血装置が提案されている。従来の採血装置は、採血室内
のバッグ受皿上に血液バッグを収容し、採血にともなっ
て増加する血液バッグの重量が所定レベルに達したこと
を重量センサにより検出し、この検出結果によって採血
動作を停止させ、結果として血液バッグに所定容量の採
血量を確保することとしている。[Prior Art] Conventionally, a blood collecting apparatus as described in JP-A-1-288236 has been proposed. A conventional blood collection device stores a blood bag on a bag pan in a blood collection chamber, detects by a weight sensor that the weight of the blood bag, which increases with blood collection, has reached a predetermined level, and performs a blood collection operation based on the detection result. The blood bag is stopped, and as a result, a predetermined volume of blood is collected in the blood bag.
この従来の採血装置にあっては、血液バッグへの採血
中に血液バッグの受皿を揺動させ、これにより血液バッ
グに予め装填してあるヘパリン等の抗凝固剤と血液とを
撹拌することにより、血液の凝固を防止する。In this conventional blood collection device, the blood bag tray is swung during blood collection into the blood bag, whereby the blood is stirred with an anticoagulant such as heparin, which has been previously loaded into the blood bag, and the blood. Prevents blood clotting.
［発明が解決しようとする課題］ 然るに、上述の従来技術では、重量センサが、バッグ
受皿上の血液バッグの重量を、該バッグ受皿のバッグ支
持面に対する垂直方向にて検出するように構成されてい
る。[Problems to be Solved by the Invention] However, in the above-described conventional technology, the weight sensor is configured to detect the weight of the blood bag on the bag tray in a direction perpendicular to the bag supporting surface of the bag tray. I have.
このため、採血装置を設置する場所が水平でなかった
り、重量検出時におけるバッグ受皿の揺動角度位置もし
くは停止角度位置が予め定めた角度位置に対してずれる
等においては、秤量精度が低下する。For this reason, when the place where the blood sampling device is installed is not horizontal, or when the swing angle position or the stop angle position of the bag tray at the time of detecting the weight is shifted from a predetermined angle position, the weighing accuracy is reduced.
本発明は、水平でない場所で秤量し、或いは重量検出
時における容器支持部の傾きに誤差がある状態下で秤量
する場合にも、秤量精度を向上することを目的とする。An object of the present invention is to improve weighing accuracy even when weighing is performed in a place that is not horizontal or when weighing is performed in a state where there is an error in the inclination of the container supporting part when detecting weight.
［課題を解決するための手段］ 請求項１に記載の本発明は、液体もしくは固体を貯溜
するための容器を支持する容器支持部と、容器支持部上
の容器内重量を検出するための重量検出手段とを有して
なる秤量装置において、容器支持部が鉛直方向に対して
なす傾きを検出するための傾き検出手段と、重量検出手
段の検出結果と傾き検出手段の検出結果を得て、重量検
出手段の重量検出時における容器支持部の傾きを検出
し、容器支持部の傾きに起因する重量検出手段の検出誤
差を、当該容器支持部の傾きに応じて補正し、容器支持
部上の容器内重量を求める制御手段とを備えるようにし
たものである。[Means for Solving the Problems] According to the present invention, a container support for supporting a container for storing a liquid or a solid, and a weight for detecting a weight in the container on the container support are provided. In a weighing device having a detecting unit, a tilt detecting unit for detecting a tilt formed by the container support unit with respect to the vertical direction, and a detection result of the weight detecting unit and a detection result of the tilt detecting unit are obtained. The inclination of the container support at the time of weight detection by the weight detector is detected, and the detection error of the weight detector due to the inclination of the container support is corrected according to the inclination of the container support, and And control means for obtaining the weight in the container.
請求項２に記載の本発明は、前記容器支持部が周期的
に揺動され、その揺動の周期に同期して容器内重量を検
出するようにしたものである。According to a second aspect of the present invention, the container supporting portion is periodically rocked, and the weight in the container is detected in synchronization with the period of the rocking.
請求項３に記載の本発明は、前記容器支持部の揺動を
一周期毎に停止させ、その揺動停止期間内に容器内重量
を検出するようにしたものである。According to a third aspect of the present invention, the swing of the container supporting portion is stopped every cycle, and the weight in the container is detected during the swing stop period.
請求項４に記載の本発明は、血液容器を支持する容器
支持部と、容器支持部上の容器内重量を検出するための
重量検出手段とを有してなる血液秤量装置において、容
器支持部が鉛直方向に対してなす傾きを検出するための
傾き検出手段と、重量検出手段の検出結果と傾き検出手
段の検出結果を得て、重量検出手段の重量検出時におけ
る容器支持部の傾きを検出し、容器支持部の傾きに起因
する重量検出手段の検出誤差を、当該容器支持部の傾き
に応じて補正し、容器支持部上の容器内重量を求める制
御手段とを備えるようにしたものである。According to a fourth aspect of the present invention, there is provided a blood weighing apparatus comprising: a container support for supporting a blood container; and weight detecting means for detecting a weight in the container on the container support. Detection means for detecting the inclination of the container with respect to the vertical direction, and the detection result of the weight detection means and the detection result of the inclination detection means are obtained to detect the inclination of the container support portion when the weight detection means detects the weight. The detection error of the weight detecting means caused by the inclination of the container support is corrected according to the inclination of the container support, and the control means for obtaining the weight in the container on the container support is provided. is there.
［作用］ 第10図は傾き検出センサ100の等価回路、第11図は傾
き検出センサ100の出力特性である。傾き検出センサ100
は、例えば容器支持部とともに揺動するマグネット110
が左右の磁気抵抗素子MR1、MR2のそれぞれとの相対面積
を変化するとき、それらMR1、MR2の抵抗変化に応じて、
その抵抗値を容器支持部の傾斜角θ（＝鉛直方向に対し
てなす傾き）に比例して変化し、その出力電圧V1も傾斜
角θに比例して変化する。これにより、傾斜角θにおけ
る傾き検出センサ100の出力電圧V1（θ）は下記（１）
式で表わされる。[Operation] FIG. 10 is an equivalent circuit of the inclination detection sensor 100, and FIG. 11 is an output characteristic of the inclination detection sensor 100. Tilt detection sensor 100
Is, for example, a magnet 110 that swings with the container support.
Changes the relative area with each of the left and right magnetoresistive elements MR1 and MR2, according to the resistance change of those MR1 and MR2,
The resistance value changes in proportion to the inclination angle θ (= inclination with respect to the vertical direction) of the container supporting portion, and the output voltage V1 also changes in proportion to the inclination angle θ. As a result, the output voltage V1 (θ) of the tilt detection sensor 100 at the tilt angle θ becomes the following (1)
It is expressed by an equation.
ここで、V1max、V1minはそれぞれ傾斜角が＋θmax、
−θminのときの出力電圧である（第11図参照）。 Here, V1max and V1min have inclination angles of + θmax,
This is the output voltage at −θmin (see FIG. 11).
上記（１）式は下記（２）式の如くに簡略化される。 The above equation (1) is simplified as in the following equation (2).
V1（θ）＝A1・θ＋Vmid …（２） ここで、Vmid、A1は定数であるから、θはV1から下記
（３）式の如くに算出される。V1 (θ) = A1θ + Vmid (2) Here, since Vmid and A1 are constants, θ is calculated from V1 as in the following equation (3).
これに対し、第12図は重量検出センサ34の検出状態、
第13図は重量検出センサ34の出力特性である。重量検出
センサ34の出力電圧V2（ｍ）は、容器重量mgに対して比
例するので、下記（４）式で表わされる。 In contrast, FIG. 12 shows the detection state of the weight detection sensor 34,
FIG. 13 shows the output characteristics of the weight detection sensor. Since the output voltage V2 (m) of the weight detection sensor 34 is proportional to the container weight mg, it is expressed by the following equation (4).
ここで、V2max、V2offはそれぞれ質量がMmax、０のと
きの出力電圧である（第13図参照）。 Here, V2max and V2off are output voltages when the mass is Mmax and 0, respectively (see FIG. 13).
上記（４）式は下記（５）式の如くに簡略化される。
A2は定数である。The above equation (4) is simplified as in the following equation (5).
A2 is a constant.
V2（ｍ）＝A2・mg＋V2off …（５） 傾斜角θでは、第12図に示す如く、容器支持部の容器
支持面に対する質量の垂直成分m cosθだけが重量検出
センサ34にて検出されるので、見かけの重量はmg cosθ
となる。V2 (m) = A2 · mg + V2off (5) At the inclination angle θ, as shown in FIG. 12, only the vertical component m cos θ of the mass of the container support relative to the container support surface is detected by the weight detection sensor 34. , Apparent weight is mg cosθ
Becomes
従って、上記（５）式は正確には下記（６）式で表わ
される。Therefore, the above equation (5) is accurately expressed by the following equation (6).
V2（θ）＝A2・mgcosθ＋V2off …（６） 従って、重量mgは下記（７）式の如くになる。 V2 (θ) = A2 · mgcosθ + V2off (6) Therefore, the weight mg is as shown in the following equation (7).
以上により、（３）式でθを算出し、このθを（７）
式に代入すれば正確なmgを得ることができる。 As described above, θ is calculated by the equation (3), and this θ is calculated by the equation (7).
The exact mg can be obtained by substituting into the formula.
第９図は本発明の秤量装置のブロック図である。重量
検出センサ34からの出力信号は、アンプ34Aで増幅され
た後、サンプルホールド34B、A/Dコンバータ34Cを経
て、デジタル信号V2にてCPU65に入力される。他方、傾
き検出センサ100からの出力信号も、アンプ100Aで増幅
された後、サンプルホールド100B、A/Dコンバータ100C
を経て、デジタル信号V1にてCPU65に入力される。FIG. 9 is a block diagram of the weighing device of the present invention. The output signal from the weight detection sensor 34 is amplified by the amplifier 34A, and then is input to the CPU 65 as a digital signal V2 via the sample and hold 34B and the A / D converter 34C. On the other hand, the output signal from the tilt detection sensor 100 is also amplified by the amplifier 100A, then the sample and hold 100B, the A / D converter 100C
, And is input to the CPU 65 as a digital signal V1.
従って、CPU65にあっては、V1から傾斜角θを求め、
（７）式を用いてV2を補正し、正確な容器重量mgを得る
ことができ、ひいては正確な容器内重量を得ることがで
きる。Therefore, in the CPU 65, the inclination angle θ is obtained from V1,
By correcting V2 using the equation (7), an accurate container weight mg can be obtained, and thus an accurate container weight can be obtained.
以上の次第であり、請求項１に記載の本発明によれ
ば、液体もしくは固体を貯溜した容器の容器内重量を検
出するに際し、水平でない場所で秤量し、或いは重量検
出時における容器支持部の傾きに誤差がある状態下で秤
量する場合にも、秤量精度を向上することができる。According to the present invention as set forth in claim 1, upon detecting the weight of the container storing the liquid or solid, weighing is performed in a non-horizontal place, or of the container supporting portion at the time of detecting the weight. Even when weighing is performed in a state where there is an error in the inclination, the weighing accuracy can be improved.
また、請求項２に記載の本発明によれば、重量検出時
における容器支持部の揺動角度位置が予め定めた角度位
置に対してずれている場合にも、秤量精度を向上でき
る。According to the second aspect of the present invention, the weighing accuracy can be improved even when the swing angle position of the container supporting portion at the time of weight detection is shifted from a predetermined angle position.
また、請求項３に記載の本発明によれば、重量検出時
における容器支持部の停止角度位置が予め定めた角度位
置に対してずれている場合にも、秤量精度を向上でき
る。尚、停止状態で秤量するものであるため、秤量精度
をより向上できる。According to the third aspect of the present invention, the weighing accuracy can be improved even when the stop angle position of the container support at the time of weight detection is shifted from a predetermined angle position. Since the weighing is performed in a stopped state, the weighing accuracy can be further improved.
また、請求項４に記載の本発明によれば、採血装置や
血漿分離装置等において、血液容器の容器内重量を検出
するに際し、水平でない場所で秤量し、或いは重量検出
時における容器支持部の傾きに誤差がある状態下で秤量
する場合にも、秤量精度を向上することができる。Further, according to the present invention as set forth in claim 4, in a blood collection device, a plasma separation device, or the like, when detecting the weight of the blood container in the container, weighing is performed in a non-horizontal place, or of the container supporting portion when detecting the weight. Even when weighing is performed in a state where there is an error in the inclination, the weighing accuracy can be improved.
［実施例］ 第１図は本発明の一実施例に係る採血装置を示す正面
図、第２図は第１図の要部を破断して示す側面図、第３
図は第１図の平面図、第４図は秤を示す側面図、第５図
は真空回路図、第６図は揺動状態線図、第７図は装置ブ
ロック図、第８図は制御ブロック図である。FIG. 1 is a front view showing a blood collecting apparatus according to an embodiment of the present invention, FIG. 2 is a side view showing a main part of FIG.
1 is a plan view of FIG. 1, FIG. 4 is a side view showing a balance, FIG. 5 is a vacuum circuit diagram, FIG. 6 is a swing state diagram, FIG. 7 is an apparatus block diagram, and FIG. It is a block diagram.
採血装置10は、第１図〜第３図に示す如く、ハウジン
グ11の正面に表示パネル12を備え、ハウジング11の内部
に真空採血室13を形成している。14は採血室13の開閉
蓋、15は蓋14のヒンジ、16は採血室13を密封するための
封止ゴムである。14Aは蓋14の把手である。又、採血装
置10はハウジング11の下部に真空ポンプ17、及び制御装
置18を内蔵している。As shown in FIGS. 1 to 3, the blood collecting apparatus 10 includes a display panel 12 on the front of a housing 11, and forms a vacuum blood collecting chamber 13 inside the housing 11. Reference numeral 14 denotes an opening / closing lid of the blood collection chamber 13, reference numeral 15 denotes a hinge of the lid 14, and reference numeral 16 denotes sealing rubber for sealing the blood collection chamber 13. 14A is a handle of the lid 14. In addition, the blood collection device 10 has a vacuum pump 17 and a control device 18 built-in below the housing 11.
採血装置10の真空採血室13は、真空ポンプ17の吸気口
17Aに連通されて減圧可能とされるとともに、ポリ塩化
ビニル等からなる血液バッグ（血液容器）１を支持する
バッグ受皿19を備えている。採血装置10は、真空採血室
13を減圧する状態下で、バッグ受皿19に支持される血液
バッグ１に所定の陰圧力を及ぼし採血する。この時、採
血装置10は、バッグ受皿19を揺動して血液バッグ１に予
め装填してあるヘパリン等の抗凝固剤と血液とを撹拌す
るとともに、血液バッグ１の重量を測定することにより
採血量を測定する。The vacuum blood collection chamber 13 of the blood collection device 10 is
It is provided with a bag receiving tray 19 which is connected to a blood bag (blood container) 1 made of polyvinyl chloride or the like and is connected to the bag 17A. The blood collection device 10 is a vacuum blood collection room.
Under a reduced pressure of 13, a predetermined negative pressure is applied to the blood bag 1 supported by the bag pan 19 to collect blood. At this time, the blood collection device 10 shakes the bag tray 19 to stir the blood with an anticoagulant such as heparin, which is pre-loaded into the blood bag 1, and measures the weight of the blood bag 1 to collect blood. Measure the amount.
採血装置10における上述のバッグ受皿19を揺動する構
造、及び血液バッグ１の重量を測定する構造は以下のと
おりである。The structure for swinging the bag tray 19 and the structure for measuring the weight of the blood bag 1 in the blood collecting apparatus 10 are as follows.
先ず、真空採血室13の底部には架台20が設置され、こ
の架台20には支軸21を介して回動自在となる揺動フレー
ム22が支持されている。又、架台20には揺動モータ23が
固定され、かつ揺動モータ23により駆動される原動軸24
が支持されている。原動軸24の一端にはクランク車28が
固定され、このクランク車28の回転半径上にはリンク29
の一端が連結され、リンク29の他端は上記揺動フレーム
22に連結されている。First, a gantry 20 is installed at the bottom of the vacuum blood collection chamber 13, and a oscillating frame 22 that is rotatable via a support shaft 21 is supported on the gantry 20. Further, a swing motor 23 is fixed to the gantry 20, and a driving shaft 24 driven by the swing motor 23 is provided.
Is supported. A crank wheel 28 is fixed to one end of the driving shaft 24, and a link 29
Is connected, and the other end of the link 29 is connected to the swing frame.
Connected to 22.
他方、揺動フレーム22の上面には秤取付部材31が固定
され、秤取付部材31には秤（重量測定手段）33が片持支
持される。秤33は第４図に示す如くの略矩形（平行四辺
形）の枠体からなっている。秤33は第９図において前述
した重量検出センサ34として、上面の２位置および下面
の２位置のそれぞれに貼付けられてホイートストンブリ
ッジ回路を形成する歪ゲージを備え、秤33の先端部には
計量台35、受板36を介して前述のバッグ受皿19が固定さ
れている。秤33は重量検出センサ増幅ユニット38を有す
る。尚、重量検出センサ増幅ユニット38は、第９図にお
いて前述したアンプ34A、サンプルホールド34B、A/Dコ
ンバータ34Cを有している。On the other hand, a scale mounting member 31 is fixed to the upper surface of the swing frame 22, and a scale (weight measuring means) 33 is supported on the scale mounting member 31 in a cantilever manner. The scale 33 is formed of a substantially rectangular (parallelogram) frame as shown in FIG. The scale 33 includes, as the weight detection sensor 34 described above with reference to FIG. 9, a strain gauge that is attached to each of two positions on the upper surface and two positions on the lower surface to form a Wheatstone bridge circuit. The above-mentioned bag tray 19 is fixed via a receiving plate 35. The balance 33 has a weight detection sensor amplification unit 38. The weight detection sensor amplifying unit 38 includes the amplifier 34A, the sample hold 34B, and the A / D converter 34C described above with reference to FIG.
また、バッグ受皿19もしくは揺動フレーム22には、第
10図において前述した傾き検出センサ100が取着されて
いる。傾き検出センサ100は傾き検出センサ増幅ユニッ
ト101を有する。尚、傾き検出センサ増幅ユニット100
は、第９図において前述したアンプ100A、サンプルホー
ルド100B、A/Dコンバータ100Cを有している。In addition, the bag tray 19 or the swing frame 22
In FIG. 10, the inclination detection sensor 100 described above is attached. The tilt detection sensor 100 has a tilt detection sensor amplification unit 101. Note that the tilt detection sensor amplification unit 100
Has the amplifier 100A, the sample hold 100B, and the A / D converter 100C described above with reference to FIG.
即ち、採血装置10は、揺動モータ23の作動により原動
軸24、クランク車28を回転し、これによって揺動フレー
ム22を揺動し、揺動フレーム22に秤33を介して支持され
ているバッグ受皿19を揺動することとなる。このとき、
バッグ受皿19は、第２図、第６図に示す如く、水平に対
して＋α度をなす最上昇点と、−β度をな最下降点の上
下２点をその揺動過程の折返し点として揺動せしめられ
る。本実施例では、α＝β＝20度が好適であることを認
めた。又、揺動モータ23がバッグ受皿19に付与する揺動
の１周期時間は電源周波数60Hz地域では約1.0〜2.6秒、
電源周波数50Hz地域では約1.2〜３秒である。１サイク
ル時間が長すぎる場合には血液バッグ１内の抗凝固剤と
血液との混和が弱くなるが、逆に短かすぎる場合にはバ
ッグ受皿19の動きに対して血液バッグ１内の血液の追従
が悪く混和しにくくなるという現象を呈する。That is, the blood sampling device 10 rotates the driving shaft 24 and the crankshaft 28 by the operation of the swing motor 23, thereby swinging the swing frame 22, and supported by the swing frame 22 via the scale 33. The bag tray 19 is swung. At this time,
As shown in FIG. 2 and FIG. 6, the bag tray 19 has upper and lower points of + α degrees and −β degrees with respect to the horizontal as two turning points in the swinging process. Rocked. In this example, it was recognized that α = β = 20 degrees was preferable. One cycle time of the swing applied by the swing motor 23 to the bag tray 19 is about 1.0 to 2.6 seconds in a power frequency 60 Hz area,
In a region with a power frequency of 50 Hz, it takes about 1.2 to 3 seconds. If one cycle time is too long, the mixing of the blood with the anticoagulant in the blood bag 1 becomes weak, while if it is too short, the blood in the blood bag 1 reacts to the movement of the bag pan 19. It exhibits a phenomenon that the following is poor and the mixing becomes difficult.
また、採血装置10は、揺動フレーム22に秤取付部材31
を介して片持支持されている秤33にバッグ受皿19を支持
しており、後述する主制御回路61のCPU65は、この秤33
のたわみ変形に基づく、歪ゲージからなる重量検出セン
サ34の出力V2により、バッグ受皿19上の血液バッグ１の
重量をそのバッグ受面に対する垂直方向にて検出する。Further, the blood sampling device 10 includes a scale mounting member 31 on the swing frame 22.
The bag tray 19 is supported on a cantilevered balance 33 via a CPU, and a CPU 65 of a main control circuit 61, which will be described later,
The weight V of the blood bag 1 on the bag tray 19 is detected in the direction perpendicular to the bag receiving surface by the output V2 of the weight detection sensor 34 composed of a strain gauge based on the bending deformation of the blood bag.
また、主制御回路61のCPU65は、バッグ受皿19もしく
は揺動フレーム22に取着されている傾き検出センサ100
の出力V1により、重量検出センサ34の重量検出時にバッ
グ受皿19が鉛直方向に対してなす傾斜角θを前記（３）
式にて算出する。The CPU 65 of the main control circuit 61 includes a tilt detection sensor 100 attached to the bag tray 19 or the swing frame 22.
(3), the inclination angle θ formed by the bag tray 19 with respect to the vertical direction when the weight is detected by the weight detection sensor
It is calculated by the formula.
そして、主制御回路61のCPU65は、重量検出センサ34
の出力V2を、上記傾斜角θを用いて前述（７）式にて補
正することにより、血液バッグ１の正確な重量を検出
し、ひいては採血量を測定するのである。Then, the CPU 65 of the main control circuit 61
By correcting the output V2 of the blood bag 1 by using the above-described inclination angle θ by the above-described equation (7), the accurate weight of the blood bag 1 is detected, and the blood collection amount is measured.
尚、採血装置10は、原動軸24の他端に設けられる検出
カム39の回転位置を光センサ40により検出し、制御装置
18は、これによって揺動モータ23によるバッグ受皿19の
現在の揺動角度位置を確認し、上記バッグ受皿19が上述
の最上昇点又は最下降点のいずれかの折返し点にある状
態で、上述の重量検出センサ34と傾き検出センサ100の
検出結果を取込み、血液バッグ１の重量を測定すること
としている。The blood collection device 10 detects the rotation position of a detection cam 39 provided at the other end of the driving shaft 24 by an optical sensor 40, and controls the control device.
18, thereby confirming the current swing angle position of the bag tray 19 by the swing motor 23, and in the state where the bag tray 19 is at the turning point of any of the above-mentioned highest point or the lowest point, The detection results of the weight detection sensor 34 and the inclination detection sensor 100 are taken in, and the weight of the blood bag 1 is measured.
この時、採血装置10の制御装置18にあっては、血液バ
ッグ１への採血の初期〜終了段階で、揺動モータ23によ
るバッグ受皿19の一揺動周期毎に、バッグ受皿19が折返
し点にあり、重量検出センサ34と傾き検出センサ100の
検出結果を取込むときに、揺動モータ23による揺動動作
を一時的に停止させ、かつ上記一揺動周期毎の揺動停止
時間を終了段階側においてより長くすることとしてい
る。At this time, in the control device 18 of the blood collection device 10, in the initial stage to the end stage of the blood collection to the blood bag 1, the bag tray 19 is turned back at every swing cycle of the bag tray 19 by the swing motor 23. When taking in the detection results of the weight detection sensor 34 and the inclination detection sensor 100, the swing operation by the swing motor 23 is temporarily stopped, and the swing stop time for each swing cycle is ended. It will be longer on the stage side.
採血装置10は、第５図に示す如く、真空ポンプ17の吸
気口17Aと真空採血室13とを真空配管41にて連結し、真
空配管41の中間部に、排気ソレノイド42のオンにより閉
じられ、排気ソレノイド42のオフにより重力で開く排気
バルブ43を備えている。採血装置10は、真空ポンプ17の
オン／オフ制御により真空採血室13に一定の陰圧力（真
空度）を形成し、採血終了時には排気バルブ43を開くこ
とにより真空採血室13を大気解放させる。As shown in FIG. 5, the blood collection device 10 connects the suction port 17A of the vacuum pump 17 and the vacuum blood collection chamber 13 with a vacuum pipe 41, and is closed at an intermediate portion of the vacuum pipe 41 by turning on an exhaust solenoid 42. An exhaust valve 43 is opened by gravity when the exhaust solenoid 42 is turned off. The blood collection apparatus 10 forms a constant negative pressure (degree of vacuum) in the vacuum blood collection chamber 13 by on / off control of the vacuum pump 17, and opens the exhaust valve 43 at the end of blood collection to release the vacuum blood collection chamber 13 to the atmosphere.
採血装置10は、ハウジング11の正面側の上部におい
て、真空採血室13に隣接する部分にチューブホルダ44を
備え、真空採血室13に収容した血液バッグ１に連なる採
血チューブ２を引出し可能としている。チューブホルダ
44は、チューブクランプソレノイド45により駆動される
チューブクランプ（採血停止手段）46を備え、チューブ
クランプ46は、採血チューブ２を挟圧閉止して血液バッ
グ１への採血動作を停止させる。47はチューブクランプ
46のクランプ解除ボタン、48は緊急時にチューブクラン
プ46を作動させるクランプボタンである。The blood collecting apparatus 10 includes a tube holder 44 at a portion adjacent to the vacuum blood collecting chamber 13 at an upper portion on the front side of the housing 11 so that the blood collecting tube 2 connected to the blood bag 1 housed in the vacuum blood collecting chamber 13 can be pulled out. Tube holder
44 includes a tube clamp (blood collection stopping means) 46 driven by a tube clamp solenoid 45. The tube clamp 46 closes the blood collection tube 2 by pressure and stops the blood collection operation to the blood bag 1. 47 is a tube clamp
A clamp release button 46 and a clamp button 48 for operating the tube clamp 46 in an emergency.
尚、採血装置10にあっては、揺動モータ23による揺動
の停止時に、血液バッグ１に対する採血チューブ２の接
続口（＝血液導入口）を該血液バッグ１の最下レベルに
位置するように設定している。In the blood collection device 10, the connection port (= blood introduction port) of the blood collection tube 2 to the blood bag 1 is positioned at the lowest level of the blood bag 1 when the rocking by the rocking motor 23 is stopped. Is set to
採血装置10の表示パネル12は、採血量／真空度切換表
示ランプ49、採血量／真空度切換スイッチ50、400ml/20
0ml切換表示ランプ51、400ml/200ml切換スイッチ52、停
止スイッチ53、開始スイッチ54、使用バッグ表示ランプ
55、使用バッグ切換スイッチ56、採血量／真空度表示部
57を備える。尚、採血装置10は、ハウジング11の正面下
部に電源スイッチ58、ヒューズホルダ59を備え、ハウジ
ング11の背面下部に電源コネクタ60を備える。The display panel 12 of the blood collection device 10 includes a blood collection amount / vacuum degree changeover display lamp 49, a blood collection amount / vacuum degree changeover switch 50, and 400 ml / 20.
0ml switch display lamp 51, 400ml / 200ml switch 52, stop switch 53, start switch 54, used bag display lamp
55, use bag changeover switch 56, blood collection amount / vacuum level display
With 57. The blood collection device 10 includes a power switch 58 and a fuse holder 59 on the lower front part of the housing 11 and a power connector 60 on the lower rear part of the housing 11.
次に、採血装置10の制御装置18について説明する。制
御装置18は、第８図に示す如く、主として主制御回路6
1、駆動回路62、表示回路63から構成されている。尚、6
4は電源ユニットである。Next, the control device 18 of the blood collection device 10 will be described. The control device 18 mainly includes the main control circuit 6 as shown in FIG.
1, a drive circuit 62 and a display circuit 63. In addition, 6
4 is a power supply unit.
主制御回路61は、CPU（中央処理装置）［装置10の一
連の動作のための制御プログラムが書込まれるメモリを
含むもの］65、メモリ（記憶手段）66、入出力制御部6
7、LED（発光ダイオード）ドライブ回路68、ブザー69、
フェイルセーフ回路70を有する。尚、入出力制御部67に
は、バッグ受皿19の揺動位置を検出する前述の光センサ
40、血液バッグ１からの漏血を検出する洩血センサ71の
各検出信号が転送されるようになっている。The main control circuit 61 includes a CPU (central processing unit) [including a memory in which a control program for a series of operations of the device 10 is written] 65, a memory (storage means) 66, an input / output control unit 6
7, LED (light emitting diode) drive circuit 68, buzzer 69,
It has a fail-safe circuit 70. The input / output control unit 67 has an optical sensor for detecting the swing position of the bag tray 19.
40. Each detection signal of the blood leak sensor 71 for detecting blood leak from the blood bag 1 is transferred.
上記メモリ66はEA−ROM、EEP−ROM等の不揮発性メモ
リからなり、記憶データを書換え読出しでき、かつ電源
電圧の印加がなくても記憶データを保持できる。このメ
モリ66の記憶データとしては、真空採血室13に生成す
る陰圧力、血液バッグ１への設定採血量、採血完了
後におけるバッグ受皿19の揺動延長時間等がある。The memory 66 is composed of a nonvolatile memory such as an EA-ROM and an EEP-ROM, and can rewrite and read stored data, and can hold stored data without application of a power supply voltage. The data stored in the memory 66 includes the negative pressure generated in the vacuum blood collection chamber 13, the set blood collection amount in the blood bag 1, the extended swing time of the bag tray 19 after the blood collection is completed, and the like.
上記ブザー69は採血完了、真空採血室13に形成さ
れる陰圧力のエラー、揺動モータ23の回転エラー、
洩血センサ71の洩血検出等に応じ、それぞれ異なる鳴動
態様にて鳴動する。The buzzer 69 completes blood collection, a negative pressure error formed in the vacuum blood collection chamber 13, a rotation error of the swing motor 23,
In accordance with the detection of blood leakage by the blood leakage sensor 71, the sound is generated in different sounding modes.
上記フェイルセーフ回路70はCPU65の暴走発生を監視
し、暴走時に装置を安全側に停止させる。The fail-safe circuit 70 monitors the occurrence of runaway of the CPU 65, and stops the apparatus safely when runaway occurs.
駆動回路62は、主制御回路61に接続されており、A/D
変換回路72を備える。A/D変換回路72には前述の重量検
出センサ34が連なる重量検出センサ増幅ユニット38と、
傾き検出センサ100が連なる傾き検出センサ増幅ユニッ
ト101とが接続されるとともに、前述の真空配管41に設
けられて真空採血室13の陰圧力を検出する圧力センサ73
が圧力センサ増幅回路74を介して接続される。The drive circuit 62 is connected to the main control circuit 61, and the A / D
The conversion circuit 72 is provided. The A / D conversion circuit 72 includes a weight detection sensor amplification unit 38 in which the aforementioned weight detection sensor 34 is connected,
A pressure sensor 73 that is connected to the tilt detection sensor amplification unit 101 to which the tilt detection sensor 100 is connected and that is provided in the aforementioned vacuum pipe 41 and detects the negative pressure of the vacuum blood collection chamber 13.
Are connected via a pressure sensor amplifier circuit 74.
このとき、制御装置18のCPU65は、前述の如く、重量
検出センサ34の検出出力V2と傾き検出センサ100の検出
出力V1を得て、重量検出センサ34の重量検出時における
バッグ受皿19の傾斜角θを前記（３）式にて算出し、バ
ッグ受皿19の傾斜角θに起因する重量検出センサ34の検
出誤差を、当該バッグ受皿19の傾斜角θに応じて前記
（７）式により補正し、バッグ受皿19上の血液バッグ１
の重量を求め、ひいては採血重量を演算する。At this time, as described above, the CPU 65 of the control device 18 obtains the detection output V2 of the weight detection sensor 34 and the detection output V1 of the inclination detection sensor 100, and obtains the inclination angle of the bag tray 19 when the weight detection sensor 34 detects the weight. θ is calculated by the above equation (3), and the detection error of the weight detection sensor 34 caused by the inclination angle θ of the bag tray 19 is corrected by the above equation (7) according to the inclination angle θ of the bag tray 19. , Blood bag 1 on bag saucer 19
And the weight of the blood sample is calculated.
また、駆動回路62は、チューブクランプソレノイド
45を制御するソレノイドドライブ回路75、排気ソレノ
イド42を制御するソレノイドドライブ回路76、真空ポ
ンプ17の給電スイッチ77をオン／オフするポンプドライ
ブ回路78、揺動モータ23の給電スイッチ79をオン／オ
フするモータドライブ回路80を備える。The drive circuit 62 includes a tube clamp solenoid.
45, a solenoid drive circuit 76 for controlling the exhaust solenoid 42, a pump drive circuit 78 for turning on / off a power supply switch 77 of the vacuum pump 17, and a power supply switch 79 for the swing motor 23. The motor drive circuit 80 is provided.
尚、制御装置18のCPU65は、上記圧力センサ73の検出
圧力とメモリ66の記憶データである真空採血室13の設定
圧力とを得て、上記検出圧力が上記設定圧力に一致する
ように、真空ポンプ17の上記給電スイッチ77を前述の通
りオン／オフ制御する。これにより、真空採血室13の陰
圧力は設定圧力の一定幅内を微小変化し、結果として一
定の圧力状態となる。Note that the CPU 65 of the control device 18 obtains the detected pressure of the pressure sensor 73 and the set pressure of the vacuum blood collection chamber 13 that is the data stored in the memory 66, and performs vacuum control so that the detected pressure matches the set pressure. The power supply switch 77 of the pump 17 is turned on / off as described above. As a result, the negative pressure in the vacuum blood collection chamber 13 slightly changes within a certain range of the set pressure, and as a result, a constant pressure state is obtained.
次に、上記採血装置10による採血作業手順について説
明する。Next, a blood collecting operation procedure by the blood collecting apparatus 10 will be described.
電源スイッチ58をオンする。The power switch 58 is turned on.
400ml/200ml切換スイッチ52により採血量を選定す
る。この選定結果は切換表示ランプ51に表示される。The blood collection amount is selected by the 400 ml / 200 ml changeover switch 52. This selection result is displayed on the switching display lamp 51.
使用バッグ切換スイッチ56により使用バッグを選定す
る。この選定結果は表示ランプ55に表示される。尚、使
用バッグの種類としては、親バッグのみのシングル
（Ｓ）、１以上の小バッグをも備えるダブル（Ｄ）、ト
リプル（Ｔ）、クオドラップル（Ｑ）がある。The used bag is selected by the used bag switch 56. This selection result is displayed on the display lamp 55. The types of bags to be used include single (S) of only the parent bag, double (D), triple (T), and quadruple (Q) each including at least one small bag.
採血チューブ２の端部に設けられている採血針を供血
者に穿刺し、ある程度採血する。A blood collection needle provided at the end of the blood collection tube 2 is punctured by a blood donor to collect blood to some extent.
血液バッグ１を真空採血室13に入れてバッグ受皿19に
載置し、採血チューブ２をチューブホルダ44にセットす
る。The blood bag 1 is placed in the vacuum blood collection chamber 13, placed on the bag pan 19, and the blood collection tube 2 is set in the tube holder 44.
開始スイッチ54をオンする。制御装置18が真空ポンプ
17、揺動モータ23を駆動制御し、真空採血室13の減圧に
よる採血と、バッグ受皿19の揺動を行なう。又、制御装
置18は、バッグ受皿19が揺動過程の最上昇点又は最下降
点のいずれかの折返し点にある前述した通りのタイミン
グで、重量検出センサ増幅ユニット38の出力と傾き検出
センサ増幅ユニット101の出力とを得て、血液バッグ１
の測定採血量を検出するとともに、メモリ66に書込まれ
ている設定採血量、血液比重、及び血液バッグ１の予登
録重量を用いて、下記（１）式により残採血量（容量）
を演算する。The start switch 54 is turned on. Controller 18 is a vacuum pump
17. The drive of the swing motor 23 is controlled to perform blood collection by decompression of the vacuum blood collection chamber 13 and swing of the bag tray 19. Further, the control device 18 outputs the output of the weight detection sensor amplification unit 38 and the inclination detection sensor amplification at the same timing as described above when the bag tray 19 is at the turning point of either the highest point or the lowest point in the swinging process. With the output of the unit 101, the blood bag 1
, And the remaining blood collection amount (volume) is calculated by the following equation (1) using the set blood collection amount, the blood specific gravity, and the pre-registered weight of the blood bag 1 written in the memory 66.
Is calculated.
残採血量（ml）＝ ［設定採血量（ｇ）＋予登録重量（ｇ） −測定採血量（ｇ）］／比重（g/ml） …（１） 制御装置18は、上記演算結果である残採血量が零に達
したことを条件に、チューブクランプ46により採血チュ
ーブ２を閉止し血液バッグ１への採血動作を停止させ
る。この時、制御装置18は真空ポンプ17を停止させ、か
つ排気バルブ43を開いて真空採血室13を大気解放する。Remaining blood collection volume (ml) = [set blood collection volume (g) + pre-registered weight (g) −measured blood collection volume (g)] / specific gravity (g / ml) (1) The controller 18 calculates the above calculation result. Under the condition that the residual blood collection amount has reached zero, the blood collection tube 2 is closed by the tube clamp 46 and the blood collection operation to the blood bag 1 is stopped. At this time, the control device 18 stops the vacuum pump 17 and opens the exhaust valve 43 to release the vacuum blood collection chamber 13 to the atmosphere.
制御装置18は、上記採血完了後、なお一定時間だけ揺
動モータ23を延長して駆動し、バッグ受皿19を揺動す
る。その後、ブザーが採血終了を報知する。After the completion of the blood collection, the control device 18 drives the swing motor 23 by extending it for a certain period of time, and swings the bag tray 19. Then, the buzzer notifies the end of blood collection.
クランプ解除ボタン47をオンし、採血チューブ２をチ
ューブホルダ44から外し、血液バッグ１を真空採血室13
から取出す。The clamp release button 47 is turned on, the blood collection tube 2 is removed from the tube holder 44, and the blood bag 1 is removed from the vacuum blood collection chamber 13.
Take out from.
次に、上記実施例の作用について説明する。 Next, the operation of the above embodiment will be described.
傾き検出センサ100の存在により、バッグ受皿19の傾
きに起因する重量検出センサ34の検出結果を、バッグ受
皿19の傾きに応じて補正できる。従って、採血装置10に
おいて、血液バッグ１の容器内重量を検出するに際し、
水平でない場所で秤量し、或いは重量検出時におけるバ
ッグ受皿19の傾きに誤差がある状態下で秤量する場合に
も、秤量精度を向上できる。Due to the presence of the tilt detection sensor 100, the detection result of the weight detection sensor 34 due to the tilt of the bag tray 19 can be corrected according to the tilt of the bag tray 19. Therefore, when the blood collection device 10 detects the weight of the blood bag 1 in the container,
The accuracy of weighing can be improved even when weighing is performed in a non-horizontal place or when weighing is performed in a state where there is an error in the inclination of the bag tray 19 during weight detection.
バッグ受皿19の揺動の周期に同期して採血重量を秤量
するに際し、重量検出時におけるバッグ受皿19の揺動角
度位置が予め定めた角度位置に対してずれている場合に
も、上記により、秤量精度を向上できる。In weighing the blood collection weight in synchronization with the swing cycle of the bag tray 19, even when the swing angle position of the bag tray 19 at the time of weight detection is shifted from a predetermined angle position, Weighing accuracy can be improved.
バッグ受皿19の揺動停止期間内に採血重量を検出する
に際し、重量検出時におけるバッグ受皿19の揺動停止位
置が予め定めた角度位置に対してずれている場合にも、
上記により、秤量精度を向上できる。When detecting the blood collection weight during the swing stop period of the bag tray 19, even when the swing stop position of the bag tray 19 at the time of weight detection is shifted from a predetermined angular position,
As described above, the weighing accuracy can be improved.
次に、本発明の実験結果について説明する。 Next, the experimental results of the present invention will be described.
第14図は、傾き検出センサがない採血装置で測定した
重量データである。±５度の傾斜によって800gの重量に
ついて±20g以上（2.5％）の誤差を生じている。FIG. 14 shows weight data measured by a blood collection device without an inclination detection sensor. An inclination of ± 5 degrees causes an error of ± 20 g or more (2.5%) for a weight of 800 g.
第15図は、傾き検出センサを用いて本発明の補正を行
なった重量データである。誤差は±5g以内に収まること
が認められる。FIG. 15 shows weight data corrected according to the present invention using the inclination detection sensor. The error is found to be within ± 5g.
尚、本発明は、液体もしくは固体を貯溜するための容
器を支持する容器支持部と、容器支持部上の容器内重量
を検出するための重量検出手段とを有してなる秤量装置
に広く適用できる。従って、採血装置に限らず、例えば
血漿分離装置等にも適用できる。The present invention is widely applied to a weighing device having a container support for supporting a container for storing a liquid or a solid, and weight detecting means for detecting the weight in the container on the container support. it can. Therefore, the present invention can be applied not only to a blood collecting apparatus but also to, for example, a plasma separating apparatus.
［発明の効果］ 以上のように本発明によれば、水平でない場所で秤量
し、或いは重量検出時における容器支持部の傾きに誤差
がある状態下で秤量する場合にも、秤量精度を向上でき
る。[Effects of the Invention] As described above, according to the present invention, weighing accuracy can be improved even when weighing is performed in a non-horizontal place or in a state where there is an error in the inclination of the container support portion at the time of weight detection. .
第１図は本発明の一実施例に係る採血装置を示す正面
図、第２図は第１図の要部を破断して示す側面図、第３
図は第１図の平面図、第４図は秤を示す側面図、第５図
は真空回路図、第６図は揺動状態線図、第７図は装置ブ
ロック図、第８図は制御ブロック図、第９図は秤量装置
の制御ブロック図、第10図は傾き検出センサの等価回路
図、第11図は傾き検出センサの出力特性を示す線図、第
12図は重量検出センサの検出状態を示す模式図、第13図
は重量検出センサの出力特性を示す線図、第14図は従来
装置による重量検出精度を示す線図、第15図は本発明装
置による重量検出精度を示す線図である。 １……血液バッグ（血液容器）、 10……採血装置、 19……バッグ受皿（容器支持部）、 23……揺動モータ、 34……重量検出センサ、 65……CPU（制御手段）、 100……傾き検出センサ。FIG. 1 is a front view showing a blood collecting apparatus according to one embodiment of the present invention, FIG. 2 is a side view showing a main part of FIG.
1 is a plan view of FIG. 1, FIG. 4 is a side view showing a balance, FIG. 5 is a vacuum circuit diagram, FIG. 6 is a swing state diagram, FIG. 7 is an apparatus block diagram, and FIG. FIG. 9 is a control block diagram of the weighing device, FIG. 10 is an equivalent circuit diagram of the tilt detection sensor, FIG. 11 is a diagram showing output characteristics of the tilt detection sensor, and FIG.
FIG. 12 is a schematic diagram showing the detection state of the weight detection sensor, FIG. 13 is a diagram showing the output characteristics of the weight detection sensor, FIG. 14 is a diagram showing the weight detection accuracy by the conventional device, and FIG. FIG. 4 is a diagram illustrating weight detection accuracy by the device. 1 ... blood bag (blood container), 10 ... blood collection device, 19 ... bag tray (container support), 23 ... rocking motor, 34 ... weight detection sensor, 65 ... CPU (control means), 100 ... Tilt detection sensor.
Claims (4)
支持する容器支持部と、容器支持部上の容器内重量を検
出するための重量検出手段とを有してなる秤量装置にお
いて、容器支持部が鉛直方向に対してなす傾きを検出す
るための傾き検出手段と、重量検出手段の検出結果と傾
き検出手段の検出結果を得て、重量検出手段の重量検出
時における容器支持部の傾きを検出し、容器支持部の傾
きに起因する重量検出手段の検出誤差を、当該容器支持
部の傾きに応じて補正し、容器支持部上の容器内重量を
求める制御手段とを備えることを特徴とする秤量装置。1. A weighing apparatus comprising: a container support for supporting a container for storing a liquid or a solid; and weight detecting means for detecting a weight in the container on the container support. Detecting means for detecting the inclination of the container with respect to the vertical direction, obtaining the detection result of the weight detecting means and the detection result of the inclination detecting means, and detecting the inclination of the container supporting part when the weight detecting means detects the weight. Control means for detecting and correcting the detection error of the weight detecting means caused by the inclination of the container support in accordance with the inclination of the container support, and obtaining the weight in the container on the container support. Weighing device.
揺動の周期に同期して容器内重量を検出する請求項１記
載の秤量装置。2. The weighing device according to claim 1, wherein the container supporting portion is periodically rocked, and the weight in the container is detected in synchronization with the period of the rocking.
せ、その揺動停止期間内に容器内重量を検出する請求項
２記載の秤量装置。3. The weighing device according to claim 2, wherein the swing of the container supporting portion is stopped every cycle, and the weight in the container is detected during the swing stop period.
持部上の容器内重量を検出するための重量検出手段とを
有してなる血液秤量装置において、容器支持部が鉛直方
向に対してなす傾きを検出するための傾き検出手段と、
重量検出手段の検出結果と傾き検出手段の検出結果を得
て、重量検出手段の重量検出時における容器支持部の傾
きを検出し、容器支持部の傾きに起因する重量検出手段
の検出誤差を、当該容器支持部の傾きに応じて補正し、
容器支持部上の容器内重量を求める制御手段とを備える
ことを特徴とする血液秤量装置。4. A blood weighing apparatus comprising: a container support for supporting a blood container; and weight detecting means for detecting a weight in the container on the container support. Tilt detecting means for detecting the tilt formed by
Obtain the detection result of the weight detection means and the detection result of the inclination detection means, detect the inclination of the container support portion at the time of weight detection of the weight detection means, the detection error of the weight detection means due to the inclination of the container support part, Correct according to the inclination of the container support,
Control means for determining the weight in the container on the container supporter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2247288A JP2941918B2 (en) | 1990-09-19 | 1990-09-19 | Weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2247288A JP2941918B2 (en) | 1990-09-19 | 1990-09-19 | Weighing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04129536A JPH04129536A (en) | 1992-04-30 |
| JP2941918B2 true JP2941918B2 (en) | 1999-08-30 |
Family
ID=17161213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2247288A Expired - Fee Related JP2941918B2 (en) | 1990-09-19 | 1990-09-19 | Weighing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2941918B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018151385A1 (en) * | 2017-02-20 | 2018-08-23 | 박상균 | Portable measurement device |
Families Citing this family (106)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA956968B (en) * | 1994-08-22 | 1996-03-29 | Kinetic Concepts Inc | Wound drainage equipment |
| EP1164986B8 (en) | 1999-04-02 | 2006-10-25 | KCI Licensing, Inc. | Vacuum assisted closure system with heating and cooling provision |
| US6855135B2 (en) | 2000-11-29 | 2005-02-15 | Hill-Rom Services, Inc. | Vacuum therapy and cleansing dressing for wounds |
| US7666192B2 (en) | 2001-02-16 | 2010-02-23 | Kci Licensing, Inc. | Skin grafting devices and methods |
| CA2468307A1 (en) | 2001-12-26 | 2003-07-17 | Hill-Rom Services, Inc. | Vacuum bandage packing |
| US8551075B2 (en) | 2006-06-02 | 2013-10-08 | Kci Medical Resources | Assemblies, systems, and methods for vacuum assisted internal drainage during wound healing |
| BRPI0714993A2 (en) | 2006-09-19 | 2013-07-30 | Kci Licensing Inc | reduced pressure treatment system and one-place fabric treatment method |
| US7927319B2 (en) | 2007-02-20 | 2011-04-19 | Kci Licensing, Inc. | System and method for distinguishing leaks from a disengaged canister condition in a reduced pressure treatment system |
| US9782300B2 (en) | 2008-02-01 | 2017-10-10 | Kci Licensing, Inc. | Fiber-microsphere bioresorbable composite scaffold for wound healing |
| TW200946152A (en) | 2008-03-13 | 2009-11-16 | Kci Licensing Inc | System and method for reduced pressure charging |
| EP2298368B2 (en) | 2008-05-02 | 2020-06-24 | KCI Licensing, Inc. | Reduced pressure pump having regulated pressure capabilities |
| AU2009262875B2 (en) | 2008-05-30 | 2013-03-07 | Solventum Intellectual Properties Company | Reduced-pressure surgical wound treatment systems and methods |
| EP3219337B1 (en) | 2008-06-25 | 2021-03-03 | 3M Innovative Properties Company | Absorbable, reduced-pressure manifolds and systems |
| RU2011101663A (en) | 2008-07-11 | 2012-08-20 | КейСиАй Лайсензинг, Инк. (US) | MANUFACTURED PRESSURE SYSTEMS FOR RAS THERAPY, MANUALLY OPERATED |
| EP2992912B1 (en) | 2008-08-08 | 2017-11-22 | KCI Licensing, Inc. | Reduced-pressure treatment systems with reservoir control |
| KR20110058872A (en) | 2008-09-18 | 2011-06-01 | 케이씨아이 라이센싱 인코포레이티드 | Therapy delivery systems and methods |
| JP5500602B2 (en) | 2008-09-18 | 2014-05-21 | ケーシーアイ ライセンシング インコーポレイテッド | Layered dressing, system and method for applying reduced pressure to a tissue site |
| US8158844B2 (en) | 2008-10-08 | 2012-04-17 | Kci Licensing, Inc. | Limited-access, reduced-pressure systems and methods |
| MX2011004464A (en) | 2008-10-29 | 2011-05-25 | Kci Licensing Inc | Reduced-pressure, abdominal treatment systems and methods. |
| EP2349155B1 (en) | 2008-11-14 | 2015-01-28 | KCI Licensing, Inc. | Fluid pouch, system, and method for storing fluid from a tissue site |
| EP2355762B1 (en) | 2008-11-18 | 2019-09-25 | KCI Licensing, Inc. | Reduced-pressure, composite manifolds |
| US8529528B2 (en) | 2008-12-24 | 2013-09-10 | Kci Licensing, Inc. | Reduced-pressure wound treatment systems and methods employing microstrain-inducing manifolds |
| CN102264416B (en) | 2008-12-30 | 2012-12-12 | 凯希特许有限公司 | Apparatuses, systems, and methods for managing liquid flow associated with a tissue site using the presence of reduced pressure |
| CA2746515A1 (en) | 2008-12-30 | 2010-07-08 | Kci Licensing, Inc. | Reduced pressure augmentation of microfracture procedures for cartilage repair |
| US8864728B2 (en) | 2008-12-31 | 2014-10-21 | Kci Licensing, Inc. | Multi-conduit manifolds, systems, and methods for applying reduced pressure to a subcutaneous tissue site |
| CN102264432B (en) | 2008-12-31 | 2013-10-23 | 凯希特许有限公司 | Systems for providing fluid flow to tissues |
| EP3590554B1 (en) | 2008-12-31 | 2023-04-19 | 3M Innovative Properties Company | Sleeves, manifolds, and systems for applying reduced pressure to a subcutaneous tissue site |
| US8469936B2 (en) | 2009-07-15 | 2013-06-25 | Kci Licensing, Inc. | Reduced-pressure dressings, systems, and methods employing desolidifying barrier layers |
| US8690844B2 (en) | 2009-08-27 | 2014-04-08 | Kci Licensing, Inc. | Re-epithelialization wound dressings and systems |
| US20110054420A1 (en) | 2009-08-27 | 2011-03-03 | Christopher Brian Locke | Reduced-pressure wound dressings and systems for re-epithelialization and granulation |
| US20110066123A1 (en) | 2009-09-15 | 2011-03-17 | Aidan Marcus Tout | Medical dressings, systems, and methods employing sealants |
| US8377018B2 (en) | 2009-12-23 | 2013-02-19 | Kci Licensing, Inc. | Reduced-pressure, multi-orientation, liquid-collection canister |
| AU2011207577B2 (en) | 2010-01-20 | 2015-11-26 | Solventum Intellectual Properties Company | Leak-resistant bandage systems and methods with hydrophilic foam wound insert for fluid-instillation and/or negative-pressure wound therapies |
| EP2525841B1 (en) | 2010-01-20 | 2019-07-17 | KCI Licensing, Inc. | Wound-connection pads for fluid instillation and negative pressure wound therapy |
| US8721606B2 (en) | 2010-03-11 | 2014-05-13 | Kci Licensing, Inc. | Dressings, systems, and methods for treating a tissue site |
| US8882730B2 (en) | 2010-03-12 | 2014-11-11 | Kci Licensing, Inc. | Radio opaque, reduced-pressure manifolds, systems, and methods |
| US9358158B2 (en) | 2010-03-16 | 2016-06-07 | Kci Licensing, Inc. | Patterned neo-epithelialization dressings, systems, and methods |
| US8814842B2 (en) | 2010-03-16 | 2014-08-26 | Kci Licensing, Inc. | Delivery-and-fluid-storage bridges for use with reduced-pressure systems |
| US9999702B2 (en) | 2010-04-09 | 2018-06-19 | Kci Licensing Inc. | Apparatuses, methods, and compositions for the treatment and prophylaxis of chronic wounds |
| US8785713B2 (en) | 2010-04-13 | 2014-07-22 | Kci Licensing, Inc. | Compositions with reactive ingredients, and wound dressings, apparatuses, and methods |
| US8821458B2 (en) | 2010-04-16 | 2014-09-02 | Kci Licensing, Inc. | Evaporative body-fluid containers and methods |
| US8403902B2 (en) | 2010-05-18 | 2013-03-26 | Kci Licensing, Inc. | Reduced-pressure medical systems and methods employing a moisture processing device |
| US9265665B2 (en) | 2010-07-19 | 2016-02-23 | Kci Licensing, Inc. | Inflatable off-loading wound dressing assemblies, systems, and methods |
| US8758314B2 (en) | 2010-10-20 | 2014-06-24 | Kci Licensing, Inc. | Reduced-pressure systems, devices, and methods for treating a tissue site that includes a fistula |
| US8591486B2 (en) | 2010-11-17 | 2013-11-26 | Kci Licensing, Inc. | Reduced-pressure systems and methods employing an ultraviolet light source for reducing bioburden |
| US8944067B2 (en) | 2010-12-15 | 2015-02-03 | Kci Licensing, Inc. | Targeted delivery of magnetically tagged active agents in combination with negative pressure wound therapy |
| JP6449015B2 (en) | 2011-05-26 | 2019-01-09 | ケーシーアイ ライセンシング インコーポレイテッド | System and method for stimulation and activation of liquids used in infusion therapy |
| US8758328B2 (en) | 2011-07-26 | 2014-06-24 | Kci Licensing, Inc. | Systems and methods for treating a tissue site with reduced pressure involving a reduced-pressure interface having a cutting element |
| AU2012301427B2 (en) | 2011-08-31 | 2017-03-02 | Solventum Intellectual Properties Company | Reduced-pressure treatment and debridement systems and methods |
| CA2844663C (en) | 2011-09-14 | 2019-09-24 | Kci Licensing, Inc. | Reduced-pressure systems and methods employing a leak-detection member |
| CN103917203B (en) | 2011-10-17 | 2017-03-22 | 凯希特许有限公司 | System and apparatus for treating tissue site having in-line canister |
| US10137037B2 (en) | 2011-11-11 | 2018-11-27 | Kci Licensing, Inc. | Reduced-pressure, tunnel-wound dressings, systems, and methods |
| US9655807B2 (en) | 2011-11-18 | 2017-05-23 | Kci Licensing, Inc. | Tissue treatment systems and methods having a porous substrate with a compressed region and an expanded region |
| EP2782615B1 (en) | 2011-11-23 | 2016-10-19 | KCI Licensing, Inc. | Reduced-pressure systems, methods, and devices for simultaneously treating a plurality of tissue sites |
| CA2855743A1 (en) | 2011-11-23 | 2013-05-30 | Kci Licensing, Inc. | Reduced pressure tissue treatment systems and methods having a reduced pressure dressing and associated valve |
| EP2787943B2 (en) | 2011-12-07 | 2018-02-28 | KCI Licensing, Inc. | Synthetic granulating gauze for use with reduced-pressure treatment systems |
| WO2013090810A1 (en) | 2011-12-16 | 2013-06-20 | Kci Licensing, Inc. | Releasable medical drapes |
| US10058596B2 (en) | 2011-12-20 | 2018-08-28 | Kci Licensing, Inc. | Composition for enzymatic debridement |
| US8758315B2 (en) | 2012-02-21 | 2014-06-24 | Kci Licensing, Inc. | Multi-orientation canister for use with a reduced pressure treatment system |
| AU2013237989B2 (en) | 2012-03-28 | 2017-07-20 | 3M Innovative Properties Company | Reduced-pressure systems, dressings, and methods facilitating separation of electronic and clinical component parts |
| EP2861869B1 (en) | 2012-04-19 | 2016-07-06 | KCI Licensing, Inc. | Disc pump valve with performance enhancing valve flap |
| EP2866851B1 (en) | 2012-06-28 | 2019-09-11 | KCI Licensing, Inc. | Wound connection pad with rfid and integrated strain gauge pressure sensor |
| CN104541055A (en) | 2012-07-05 | 2015-04-22 | 凯希特许有限公司 | Systems and methods for regulating the resonant frequency of a disc pump cavity |
| EP2888479B1 (en) | 2012-07-05 | 2021-03-03 | 3M Innovative Properties Company | Systems and methods for supplying reduced pressure using a disc pump with electrostatic actuation |
| WO2014011703A1 (en) | 2012-07-09 | 2014-01-16 | Kci Licensing, Inc. | Systems, methods, and devices for treating a tissue site on a mammal having hair proximate the tissue site |
| EP3403624B1 (en) | 2012-07-30 | 2020-09-02 | KCI Licensing, Inc. | Reduced-pressure absorbent dressing, system for treating a tissue site, and method of manufacturing the dressing |
| US9623159B2 (en) | 2012-08-03 | 2017-04-18 | Kci Licensing, Inc. | Interfaces, systems, and methods for use in reduced pressure tissue treatment |
| US9662427B2 (en) | 2012-08-13 | 2017-05-30 | Kci Licensing, Inc. | Intelligent therapy system with evaporation management |
| EP2895213B8 (en) | 2012-09-12 | 2017-08-30 | KCI Licensing, Inc. | Systems for collecting exudates in reduced-pressure therapy |
| IN2015DN02866A (en) | 2012-09-14 | 2015-09-11 | Kci Licensing Inc | |
| EP2911713B1 (en) | 2012-10-25 | 2021-12-01 | 3M Innovative Properties Company | Wound connection pad with pneumatic connection confirmation ability |
| EP2916786B1 (en) | 2012-11-12 | 2018-03-21 | KCI Licensing, Inc. | Externally-applied wound dressings and closures |
| KR20150085837A (en) | 2012-11-16 | 2015-07-24 | 케이씨아이 라이센싱 인코포레이티드 | Medical drafe with pattern adhesive layers and method of manufacturing same |
| KR102226847B1 (en) | 2012-11-26 | 2021-03-15 | 케이씨아이 라이센싱 인코포레이티드 | Combined solution pump and storage system for use with a reduced-pressure treatment system |
| WO2014107233A1 (en) | 2013-01-02 | 2014-07-10 | Kci Licensing, Inc. | A medical drape having an ultra-thin drape film and a thick adhesive coating |
| WO2014107281A1 (en) | 2013-01-03 | 2014-07-10 | Kci Licensing, Inc. | Moisture absorbing seal |
| JP2016508056A (en) | 2013-01-03 | 2016-03-17 | ケーシーアイ ライセンシング インコーポレイテッド | Rechargeable negative pressure closure therapy |
| US9907889B2 (en) | 2013-01-16 | 2018-03-06 | Kci Licensing, Inc. | Manually-actuated reduced pressure treatment system with audible leak indicator |
| EP2945584B1 (en) | 2013-01-16 | 2016-07-20 | KCI Licensing, Inc. | Dressing with asymmetric absorbent core for negative pressure wound therapy |
| EP3607977A1 (en) | 2013-01-16 | 2020-02-12 | KCI Licensing, Inc. | Ion exchange enhanced absorbent systems |
| US10159770B2 (en) | 2013-03-12 | 2018-12-25 | Kci Licensing, Inc. | Apparatus and method for identifying alternative cell chemistries for batteries |
| ES2817834T3 (en) | 2013-03-12 | 2021-04-08 | 3M Innovative Properties Co | System that uses vacuum to promote the healing of sprains |
| US10092682B2 (en) | 2013-03-13 | 2018-10-09 | Kci Licensing, Inc. | Expandable fluid collection canister |
| EP2968701B8 (en) | 2013-03-13 | 2020-12-30 | 3M Innovative Properties Company | System and method for bodily fluid collection |
| EP2968700B1 (en) | 2013-03-13 | 2019-07-24 | KCI Licensing, Inc. | Collapsible canister for use with reduced pressure therapy device |
| WO2014159706A2 (en) | 2013-03-14 | 2014-10-02 | Kci Licensing, Inc. | Compression therapy apparatus, system and method |
| US9669139B2 (en) | 2013-03-14 | 2017-06-06 | Kci Licensing, Inc. | Fluid collection canister with integrated moisture trap |
| EP3527236A1 (en) | 2013-03-14 | 2019-08-21 | KCI Licensing, Inc. | Micro-porous conduit |
| US9662429B2 (en) | 2013-03-14 | 2017-05-30 | Kci Licensing, Inc. | Negative pressure therapy with dynamic profile capability |
| EP2976095B1 (en) | 2013-03-15 | 2020-12-23 | 3M Innovative Properties Company | Wound healing compositions |
| EP2976113B1 (en) | 2013-03-18 | 2017-04-19 | KCI Licensing, Inc. | System and method for multiple direction flexible inline canister |
| US10016539B2 (en) | 2013-07-10 | 2018-07-10 | Kci Licensing, Inc. | Manually powered, regulated, negative pressure pump with adapter for external pressure source |
| CA2916470A1 (en) | 2013-07-18 | 2015-01-22 | Kci Licensing, Inc. | Fluid volume measurement using canister resonance for reduced pressure therapy systems |
| EP3578209B1 (en) | 2013-08-26 | 2023-12-20 | 3M Innovative Properties Company | Dressing interface with moisture controlling feature and sealing function |
| US10667735B2 (en) | 2013-09-25 | 2020-06-02 | Kci Licensing, Inc. | Apparatuses and methods for inline collection of a fluid specimen |
| WO2015047835A1 (en) | 2013-09-25 | 2015-04-02 | Kci Licensing, Inc. | Apparatuses & methods for inline collection of a fluid specimen |
| WO2015051018A2 (en) | 2013-10-02 | 2015-04-09 | Kci Licensing, Inc. | Disposable reduced-pressure therapy system with mechanical feedback |
| BR112016007139A2 (en) | 2013-10-02 | 2020-06-16 | Kci Licensing, Inc. | reduced pressure system, method for regulating a therapeutic pressure in a reduced pressure therapy system, and feedback system for monitoring the application of reduced pressure therapy by a reduced pressure therapy system |
| EP3470030A1 (en) | 2013-10-28 | 2019-04-17 | KCI Licensing, Inc. | Hybrid sealing tape |
| EP3744361A1 (en) | 2013-10-30 | 2020-12-02 | KCI Licensing, Inc. | Absorbent conduit and system |
| EP3257486B1 (en) | 2013-10-30 | 2019-06-05 | KCI Licensing, Inc. | Condensate absorbing and dissipating system |
| WO2015065616A1 (en) | 2013-10-30 | 2015-05-07 | Kci Licensing, Inc. | Dressing with sealing and retention intereface |
| WO2015094724A1 (en) | 2013-12-18 | 2015-06-25 | Kci Licensing, Inc. | Autonomous fluid instillation system and method with tissue site pressure monitoring |
| US10610623B2 (en) | 2014-02-14 | 2020-04-07 | Kci Licensing, Inc. | Systems and methods for increasing absorbent capacity of a dressing |
| CN106163583B (en) | 2014-02-20 | 2019-03-19 | 凯希特许有限公司 | For using vacuum pump to empty the method and system of deposited part |
| WO2018013321A1 (en) | 2016-06-28 | 2018-01-18 | Kci Licensing, Inc. | Semi-automated mobile system for wound image segmentation |
-
1990
- 1990-09-19 JP JP2247288A patent/JP2941918B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018151385A1 (en) * | 2017-02-20 | 2018-08-23 | 박상균 | Portable measurement device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04129536A (en) | 1992-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2941918B2 (en) | Weighing device | |
| US5403279A (en) | Blood collecting apparatus | |
| US5153828A (en) | Blood collecting apparatus | |
| JPH0554993B2 (en) | ||
| JPH0221874A (en) | Blood collection device which measure weight of collected blood | |
| JPH07148250A (en) | Vacuum blood taking device | |
| EP0423335B1 (en) | Blood collection apparatus | |
| JPH0628112Y2 (en) | Blood sampling device | |
| JP2754013B2 (en) | Vacuum blood collection device | |
| JP2531799B2 (en) | Blood sampling device | |
| JPH0610998Y2 (en) | Blood sampling device for measuring blood sampling weight | |
| JP2690872B2 (en) | Vacuum blood collection device | |
| JPH0627163Y2 (en) | Blood sampling device | |
| JP2553404B2 (en) | Blood sampling device | |
| JP2831571B2 (en) | Vacuum blood collection device | |
| JP2672259B2 (en) | Vacuum blood collection device | |
| JPH065796Y2 (en) | Vacuum blood sampling device | |
| JPH065795Y2 (en) | Vacuum blood sampling device | |
| JPH0671478B2 (en) | Blood sampling device | |
| JPH0390154A (en) | Blood gathering device for measuring collected blood weight | |
| JPH065797Y2 (en) | Vacuum blood sampling device | |
| JPH0671479B2 (en) | Blood sampling device for measuring blood sampling weight | |
| JPH0796029B2 (en) | Blood sampling device for measuring blood sampling weight | |
| JPH07148245A (en) | Blood collecting device | |
| JPH0543388B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |