TWM550149U - 位移感測裝置及腹膜透析系統 - Google Patents
位移感測裝置及腹膜透析系統 Download PDFInfo
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- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- G—PHYSICS
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Description
本新型創作是有關於一種位移感測裝置,且特別是有關於一種用於腹膜透析系統的位移感測裝置。
隨著醫療科技的發展以及高齡化社會的來臨,例如是腹膜透析系統的使用需求越見增加。然而,目前一般的腹膜透析系統的內部結構例如是由一顆直流馬達搭配螺桿結構來推拉針筒,並且光遮斷感測器可配合遮斷尺條來回授控制針筒的推桿的移動距離,以形成馬達控制模組。
然而,一般的遮斷尺條因只靠兩根螺絲鎖附而有組裝公差以及變形上的問題。此外,在長時間使用之下,以例如是金屬片製作而成的遮斷尺條會產生鏽蝕等種種問題,使得光遮斷感測器不易精準地控制對位,而容易產生針筒的推桿的移動距離誤判的情形,並使得針筒注射藥劑的用量無法精準的控制。因此,在療程當中,注射藥劑容易產生注射量過多或是過少的情形。因此,如何有效量測針筒的推桿的作動行程,進而有效控制針筒的注射量已成本領域發展中亟欲解決的課題。
本新型創作提供一種位置感測裝置,其可更精準地感測注射器的推桿的位移大小。
本新型創作提供一種腹膜透析系統,其可更準確地控制其注射器的藥劑注射量。
本新型創作的位移感測裝置適用於腹膜透析系統的位移感測裝置。腹膜透析系統具有殼體及注射器。注射器配置於殼體上並且具有推桿。位移感測裝置包括導桿、探頭模組以及電阻尺。導桿耦接於推桿,而探頭模組配置於殼體內,並且固定於導桿上。電阻尺配置於探頭模組的一側。探頭模組適於接觸電阻尺,以獲致電阻尺的電阻值並判斷推桿的位移大小。
本新型創作的腹膜透析系統包括殼體、注射器以及位移感測裝置。注射器配置於殼體上,並且注射器具有推桿。位移感測裝置配置於殼體中。位移感測裝置包括導桿、探頭模組以及電阻尺。導桿耦接於推桿,而探頭模組配置於殼體內,並且固定於導桿上。電阻尺配置於探頭模組的一側。探頭模組適於接觸電阻尺,以獲致電阻尺的電阻值並判斷推桿的位移大小。
在本新型創作的一實施例中,上述的位移感測裝置還包括驅動元件。驅動元件耦接於導桿及推桿,以驅動導桿及推桿作動。
在本新型創作的一實施例中,上述的驅動元件包括步進馬達。
在本新型創作的一實施例中,上述的位移感測裝置還包括滑桿。滑桿連接殼體,並且滑桿穿設於探頭模組。探頭模組適於相對於滑桿滑動。
在本新型創作的一實施例中,上述的位移感測裝置還包括光感測器。光感測器配置於該探頭模組的起始作動位置,以對探頭模組的移動行程進行歸零校正。
在本新型創作的一實施例中,上述的頭模組具有延伸部,並且延伸部具有對應光感測器的光閘。
在本新型創作的一實施例中,上述的探頭模組還包括螺孔及探頭,且探頭螺鎖於螺孔中,以接觸電阻尺。
在本新型創作的一實施例中,上述的腹膜透析系統還包括顯示元件。顯示元件配置於殼體的一側,以顯示位移感測裝置的感測結果。
在本新型創作的一實施例中,上述的腹膜透析系統還包括固定件。固定件配置於導桿與推桿之間,並且導桿及推桿分別沿相同方向穿設於固定件。
基於上述,在本新型創作的多個實施例中,腹膜透析系統具有位移感測裝置,其可感測注射器的推桿的位移大小,以判斷注射器的抽吸及注射量的大小。本新型創作的多個實施例的注射器具有探頭模組以及電阻尺,探頭模組可隨導桿移動,並且接觸電阻尺,進而獲得電阻尺於不同位置上的電阻值。探頭模組可根據所量測的電阻值大小來判斷注射器的推桿的位移大小,進而判斷注射器抽吸或是注射量的大小。在本新型創作的多個實施例中,位移感測裝置可藉由地電阻尺更加精確地來感測注射器的推桿的位移大小,注射器的注射量的大小也可更為準確地被控制。
為讓本新型創作的上述特徵和優點能更明顯易懂,下文特舉實施例,並配合所附圖式作詳細說明如下。
圖1是依照本新型創作的一實施例的腹膜透析系統的示意圖。圖2是圖1的腹膜透析系統的位移感測裝置的示意圖。請參考圖1及圖2,腹膜透析系統10包括殼體12、注射器50以及位移感測裝置100。注射器50配置於殼體12上,並且注射器50具有推桿52。在本實施例中,注射器50可將欲注射的液體藥劑先抽吸進入其中,然後再由注射器50將注射藥劑施打進入人體或動物體內。
如圖2所示,位移感測裝置100配置於殼體10中,並且位移感測裝置100包括導桿110、探頭模組120以及電阻尺130。導桿110與注射器50的推桿52互相耦接,且探頭模組120固定於導桿110,而電阻尺130配置於探頭模組120的一側。在本實施例中,導桿110可用來驅動探頭模組120及推桿52朝相同的方向作動。例如,當推桿52由注射器50的內部被推拉出來時,探頭模組120可同時地朝推桿52被推出的方向作動。
在本實施例中,電阻尺130的延伸方向平行於探頭模組120的作動方向,並且電阻尺130上的不同位置可具有不同大小的電阻值。探頭模組120可用來接觸電阻尺130,以量測探頭模組120所接觸到的位置的電阻值大小。在本實施例中,探頭模組120可根據所量測到的電阻值大小來判斷其位移距離,也就是探頭模組120本身相對於其起始做動位置的距離大小,藉以獲致注射器50的推桿52的位移大小。
在本實施例中,位移感測裝置100進一步包括驅動元件160,並且驅動元件160例如是步進馬達。驅動元件160耦接於導桿110以及注射器50的推桿52,並且驅動元件160可驅動導桿110及推桿52一同沿相同方向作動。此外,驅動元件160可將探頭模組120所量測到的導桿110及推桿52的位移大小與驅動元件160的預設驅動距離的大小進行比較,也就是將推桿52的預設驅動距離與推桿52的實際位移大小進行比較。
在本實施例中,當推桿52的實際的位移大小小於驅動元件160預設的驅動距離時,驅動元件160可根據預設的推桿52位移距離與其實際的位移大小之間的差值來進行校正。如此一來,驅動元件160可藉由探頭模組120的反饋,更加準確地進行推桿52的驅動距離的校正,進而減少由於注射器50的推桿52的位移距離無法精確地控制,而導致注射器50的注射藥劑量過多或不足的問題。
請再參考圖1,在本實施例中,腹膜透析系統10另具有顯示元件16,並且顯示元件16配置於腹膜透析系統10的殼體12的一側。顯示元件16可用於顯示位移感測裝置100的感測結果,例如是注射器50的推桿52的移動距離、推桿52的重複作動次數以及注射器50的藥劑注射量的多寡等。
在本實施例中,膜透析系統10還具有固定件14,並且固定件14配置於導桿110以及注射器50的推桿52之間。此外,導桿110及推桿52分別沿其作動方向穿設並固定於固定件14。如圖1及圖2所示,在本實施例中,固定件14連接上述的驅動元件160,並且驅動元件160可驅動固定件14,以進一步藉由固定件來帶動導桿110及推桿52作動。在本實施例中,位移感測裝置100藉由固定件14的配置,使得導桿110及推桿52的滑動行程更加地穩定,以避免在滑動過程產生上、下或左、右偏斜的情形。
圖3是圖2的位移感測裝置的部分構件的示意圖。請參考圖2及圖3。在本實施例中,位移感測裝置100還包括光感測器150,其如圖2所示配置於探頭模組130的起始作動位置。此外,如圖3所示,探頭模組120包括延伸部124以及光閘124a,並且光閘124a配置於延伸部124。在本實施例中,當探頭模組120位於如圖2中所示的起始做動位置時,探頭模組120的光閘124a的位置對齊於光感測器150的位置。詳細而言,光感測器150可配置於探頭模組120的起始做動位置的一側,並且光感測器150可藉由光閘124a來感測探頭模組120是否回到原本的起始作動位置,以對於探頭模組120相對於其起始做動位置進行歸零校正。
圖4是圖2的位移感測裝置的部分構件的示意圖。請參考圖3及圖4。在本實施例中,探頭模組120還具有螺孔121以及探頭122,並且探頭122可螺鎖於螺孔121中,以接觸電阻尺130。詳細而言,在本實施例中,探頭模組120的探頭122接觸電阻尺130的力道可藉由探頭122鎖入螺孔121中的深度來控制。舉例而言,當探頭模組120的探頭122與電阻尺130之間需要較大的接觸力道時,可減少探頭122螺鎖進入螺孔121中的深度,以增加探頭122突出於螺孔121的比例,使得探頭122可更加緊密地接觸電阻尺130。
如圖3及圖4所示,位移感測裝置100還具有滑桿140,其一端連接於殼體12並且穿設於探頭模組120。探頭模組120可相對於滑桿140滑動。在本實施例中,探頭模組120在被導桿110帶動過程中,可藉由穿設於其中的滑桿140來穩定探頭模組120的作動行程,避免探頭模組120在作動並接觸電阻尺130的過程中產生上下晃動的情形,而影響量測結果。
綜上所述,在本新型創作的多個實施例中,腹膜透析系統具有位移感測裝置,並且位移感測裝置可藉由探頭模組以及電阻尺來定義注射器的推桿的位移距離。詳細而言,探頭模組可根據電阻尺上所量測到的電阻大小來獲得導桿及推桿的位移距離。此外,驅動元件可根據探頭模組所反饋的推桿的位移量測結果來進行校正。舉例而言,若探頭模組所反饋的推桿的位移距離小於驅動元件的預設驅動距離,則驅動元件可根據探頭模組反饋的位移距離及預設的移動距離之間的差值來進行修正及控制。因此,本新型創作的多個實施例中的位移感測裝置可避免注射器的推桿在被驅動的過程中,發生位移過少的情形,導致注射器的實際抽取或注射劑量少於原本預設的注射劑量。也因此,腹膜透析系統可藉由位移感測裝置獲致更精確地控制藥劑的注射量以及療程中體液抽取量,進而改善療程上誤判的情形發生。
雖然本新型創作已以實施例揭露如上,然其並非用以限定本新型創作,任何所屬技術領域中具有通常知識者,在不脫離本新型創作的精神和範圍內,當可作些許的更動與潤飾,故本新型創作的保護範圍當視後附的申請專利範圍所界定者為準。
10‧‧‧腹膜透析系統
12‧‧‧殼體
14‧‧‧固定件
16‧‧‧顯示元件
50‧‧‧注射器
52‧‧‧推桿
100‧‧‧位移感測裝置
110‧‧‧導桿
120‧‧‧探頭模組
121‧‧‧螺孔
122‧‧‧探頭
124‧‧‧延伸部
124a‧‧‧光閘
130‧‧‧電阻尺
140‧‧‧滑桿
150‧‧‧光感測器
160‧‧‧驅動元件
12‧‧‧殼體
14‧‧‧固定件
16‧‧‧顯示元件
50‧‧‧注射器
52‧‧‧推桿
100‧‧‧位移感測裝置
110‧‧‧導桿
120‧‧‧探頭模組
121‧‧‧螺孔
122‧‧‧探頭
124‧‧‧延伸部
124a‧‧‧光閘
130‧‧‧電阻尺
140‧‧‧滑桿
150‧‧‧光感測器
160‧‧‧驅動元件
圖1是依照本新型創作的一實施例的腹膜透析系統的示意圖。 圖2是圖1的腹膜透析系統的位移感測裝置的示意圖。 圖3是圖2的位移感測裝置的部分構件的示意圖。 圖4是圖2的位移感測裝置的部分構件的示意圖。
14‧‧‧固定件
50‧‧‧注射器
52‧‧‧推桿
100‧‧‧位移感測裝置
110‧‧‧導桿
120‧‧‧探頭模組
130‧‧‧電阻尺
140‧‧‧滑桿
150‧‧‧光感測器
160‧‧‧驅動元件
Claims (10)
- 一種位移感測裝置,適用於一腹膜透析系統,其具有一殼體及一注射器,該注射器配置於該殼體上並具有一推桿,該位移感測裝置包括: 一導桿,耦接於該推桿; 一探頭模組,配置於該殼體內,並且固定於該導桿上;以及 一電阻尺,配置於探頭模組的一側,其中該導桿適於驅動該探頭模組及該推桿作動潮相同方向做動,並且該探頭模組適於接觸該電阻尺,以獲致該電阻尺的一電阻值,並判斷該推桿的位移大小。
- 如申請專利範圍第1項所述的位移感測裝置,更包括一驅動元件,耦接於該導桿及該推桿,以驅動該導桿及該推桿作動。
- 如申請專利範圍第2項所述的位移感測裝置,其中該驅動元件包括步進馬達。
- 如申請專利範圍第1項所述的位移感測裝置,更包括一滑桿,連接於該殼體,並且該滑桿穿設於該探頭模組,其中該探頭模組適於相對於該滑桿滑動。
- 如申請專利範圍第1項所述的位移感測裝置,更包括一光感測器,配置於該探頭模組的一起始作動位置,以對該探頭模組的移動行程進行歸零校正。
- 如申請專利範圍第5項所述的位移感測裝置,其中該探頭模組具有一延伸部,並且該延伸部具有對應該光感測器的一光閘。
- 如申請專利範圍第1項所述的位移感測裝置,其中該探頭模組更包括一螺孔及一探頭,並且該探頭螺鎖於該螺孔中,以接觸該電阻尺。
- 一種腹膜透析系統,包括: 一殼體; 一注射器,配置於該殼體上,並且該注射器具有一推桿;以及 一位移感測裝置,配置於該殼體中,包括: 一導桿,耦接於該推桿; 一探頭模組,固定於該導桿;以及 一電阻尺,配置於探頭模組的一側,其中該導桿適於驅動該探頭模組及該推桿朝相同方向做動,並且該探頭模組適於接觸該電阻尺,以讀取該電阻尺的電阻值,並判斷該推桿的位移大小。
- 如申請專利範圍第8項所述的腹膜透析系統,更包括一顯示元件,配置於該殼體的一側,以顯示該位移感測裝置的感測結果。
- 如申請專利範圍第8項所述的腹膜透析系統,更包括一固定件,配置於該導桿與該推桿之間,並且該導桿及該推桿分別沿相同方向穿設於該固定件。
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US11975351B2 (en) | 2019-01-21 | 2024-05-07 | Nordson Corporation | System and method for dispenser control |
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