TWI816606B - Variable angle suction device - Google Patents
Variable angle suction device Download PDFInfo
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- TWI816606B TWI816606B TW111144589A TW111144589A TWI816606B TW I816606 B TWI816606 B TW I816606B TW 111144589 A TW111144589 A TW 111144589A TW 111144589 A TW111144589 A TW 111144589A TW I816606 B TWI816606 B TW I816606B
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- 239000007788 liquid Substances 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 206010047531 Visual acuity reduced Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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Abstract
Description
一種醫療器械,特別是一種可展現多種角度的抽吸裝置。 A medical device, in particular a suction device capable of displaying multiple angles.
為了在執行醫療行為的過程中避免因為血液、體液或臟器內容物的累積而導致一目標區域視野不佳的問題,一抽吸裝置十分普遍的應用於手術室或是診療室中。該抽吸裝置不但可以清除累積的血液、體液或臟器內容物,還可以依據所需的導入如生理食鹽水或藥物至該目標區域,使得該目標區域可以得到充分清潔或是該醫療行為。 In order to avoid the problem of poor vision in a target area due to accumulation of blood, body fluids or organ contents during medical procedures, a suction device is very commonly used in operating rooms or treatment rooms. The suction device can not only remove accumulated blood, body fluids or organ contents, but can also introduce physiological saline or drugs to the target area as needed, so that the target area can be fully cleaned or undergo medical treatment.
常見的該抽吸裝置包含有一手把以及從該手把朝遠端延伸且中空桿狀的一引流桿,該手把上包含有一轉換件,用以控制該抽吸裝置於該引流桿遠端執行抽吸或是排除一液體之行為。然而當該目標區域位於體內或是較不好到達之處時,一使用者往往需要以轉動手腕或是其手持該抽吸裝置的角度才可以將該抽吸裝置對應至該目標區域,使得該使用者於使用時往往會因為角度關係而受到使用上的不便及限制。因此,發展一種可以適應各種角度的該抽吸裝置是醫療相關領域中急需面對的目標。 The common suction device includes a handle and a hollow rod-shaped drainage rod extending distally from the handle. The handle includes a conversion piece to control the suction device at the distal end of the drainage rod. Perform the act of aspirating or removing a liquid. However, when the target area is located in the body or in a place that is difficult to reach, a user often needs to rotate his or her wrist or hold the suction device at an angle to match the suction device to the target area, so that the suction device can be aligned with the target area. Users often suffer from inconvenience and restrictions due to the angle. Therefore, developing a suction device that can adapt to various angles is an urgent goal in medical-related fields.
為了發展一種可以適應各種角度的該抽吸裝置,本發明提供一種多角度抽吸裝置,包含位置於一近端的一手把部,以及從該手把部朝一遠端延 伸且中空桿狀的一引流桿,該手把部包含有連通該引流桿的一引流道以及一切換機構,該切換機構用以控制該引流道及/或該引流桿執行抽吸或是排除一液體。 In order to develop a suction device that can be adapted to various angles, the present invention provides a multi-angle suction device, including a handle portion located at a proximal end, and extending from the handle portion toward a distal end. An elongated and hollow rod-shaped drainage rod. The handle portion includes a drainage channel connected to the drainage rod and a switching mechanism. The switching mechanism is used to control the drainage channel and/or the drainage rod to perform suction or elimination. A liquid.
其中,一旋轉機構設置於該手把部以及該引流桿之間,流體連通該引流道以及該引流桿,包含一第一組件,以及與該第一組件以一軸心為基準的可旋轉結合的一第二組件,該第一組件與該第二組件共同界定有連通該引流道以及該引流桿的一導通腔室,以及一鎖定件,選擇性與該第一組件或該第二組件的鎖定卡合,以鎖定或釋放該第一組件與該第二組件之間的旋轉關係,其中,該第二組件相對該第一組件旋轉時,該引流桿依據一旋轉角度改變其遠端的延伸方向。 Among them, a rotating mechanism is disposed between the handle and the drainage rod, fluidly communicates with the drainage channel and the drainage rod, and includes a first component, and a rotatable combination with the first component based on an axis. A second component, the first component and the second component jointly define a conductive chamber that communicates with the drainage channel and the drainage rod, and a locking piece selectively connected with the first component or the second component Locking engagement to lock or release the rotational relationship between the first component and the second component, wherein when the second component rotates relative to the first component, the drainage rod changes the extension of its distal end according to a rotation angle direction.
其中,該第一組件與該手把部一體的組裝成形,該第二組件與該引流桿連接設置,以及該鎖定件可活動的設置於該手把部,並且可選擇的與該第二組件鎖定卡合。 Wherein, the first component is integrally assembled with the handle portion, the second component is connected to the drainage rod, and the locking piece is movably disposed on the handle portion and is optionally connected to the second component Lock snap.
其中,該手把部鄰近該第二組件之處設置有一滑槽,該鎖定件可活動的沿該滑槽位移,該第二組件於一環側壁的表面上凹設有至少二限位槽,依據該第二組件相對該第一組件旋轉的位置,至少二個該限位槽可操控的與該鎖定件之位置對應或錯位,該鎖定件包含一操作部,該操作部的至少一部份突出該滑槽以及該手把部表面,以及一卡舌部依據該鎖定件於沿該滑槽位移而朝向該第二組件靠近或遠離 Wherein, the handle portion is provided with a slide groove adjacent to the second component, and the locking member can move along the slide groove. The second component is concavely provided with at least two limiting grooves on the surface of a ring side wall. The rotation position of the second component relative to the first component, at least two of the limiting grooves can be manipulated to correspond to or misalign the position of the locking piece. The locking piece includes an operating part, and at least a part of the operating part protrudes. The slide groove, the handle surface, and a tab portion move toward or away from the second component according to the displacement of the locking member along the slide groove.
其中,當該第二組件的其中一個該限位槽對應該鎖定件且該鎖定件位移至最靠近該第二組件的位置時,該卡舌部深入該限位槽並固定該第二組件。 Wherein, when one of the limiting grooves of the second component corresponds to the locking piece and the locking piece is displaced to the position closest to the second component, the tongue portion penetrates into the limiting groove and fixes the second component.
進一步地,該第二組件於該環側壁的表面上凹設有二個該限位槽,二個該限位槽之間以一心軸為基準構成一轉動角度,且該轉動角度為70度。 Furthermore, the second component is recessed with two limiting grooves on the surface of the ring side wall, and a rotation angle is formed between the two limiting grooves based on a spindle, and the rotation angle is 70 degrees.
進一步地,一彈簧給於該鎖定件朝向該第二組件抵靠的一偏壓力,該鎖定件對應其中一個該限位槽時,該卡舌部依據該偏壓力與其中一個該限位槽鎖定卡合。 Further, a spring gives the locking piece a biasing force to abut against the second component. When the locking piece corresponds to one of the limiting grooves, the tongue portion is locked with one of the limiting grooves according to the biasing force. Snap.
本發明多角度抽吸裝置於使用時,一使用者可以透過該操作部操作該鎖定件於該滑槽內的相對位置,使得該卡舌部可以朝向該第二組件靠近或遠離,並鎖定或釋放該第二組件。 When the multi-angle suction device of the present invention is in use, a user can operate the relative position of the locking member in the slide groove through the operating part, so that the tab part can move closer or farther away from the second component, and lock or Release the second component.
該第二組件可以依據需求於該環側壁的表面上凹設有數個限位槽,使得該引流桿可以透過該限位槽的設置,依據使用需求的展現朝多方向延伸的特徵。當該第二組件的其中一個該限位槽位置對應該鎖定件,且該鎖定件沿該滑槽位移至該卡舌部深入該限位槽時,該第二組件經由該卡舌部固定,避免其相對該第一組件旋轉。 The second component can be recessed with several limiting grooves on the surface of the ring side wall according to the requirements, so that the drainage rod can extend in multiple directions according to the use requirements through the arrangement of the limiting grooves. When the position of one of the limiting grooves of the second component corresponds to the locking piece, and the locking piece is displaced along the slide groove until the tongue portion is deep into the limiting groove, the second component is fixed through the tongue portion, Prevent it from rotating relative to the first component.
該彈簧給於該鎖定件朝向該第二組件抵靠的一偏壓力,便可以依據該偏壓力自動的位移使得該卡舌部與其中一個該限位槽卡合鎖定,該使用者可以不需要反覆確定該多角度抽吸裝置使否已完成鎖定,使整體應用可以更佳便利及直覺性。 The spring gives the locking piece a biasing force to abut against the second component, so that it can automatically displace according to the biasing force so that the tongue portion engages and locks with one of the limiting grooves. The user does not need to Repeatedly confirm whether the multi-angle suction device has been locked, so that the overall use can be more convenient and intuitive.
該第一組件以一第一轉軸與該第二組件的一第二轉軸沿該軸心的結合設置,可以進一步的產生分流液體之效果,以避免或是降低該多角度抽吸裝置完全堵塞之現象。 The first component is combined with a first rotating shaft and a second rotating shaft of the second component along the axis, which can further produce the effect of diverting liquid to avoid or reduce the risk of complete blockage of the multi-angle suction device. phenomenon.
10:手把部 10: Handlebar
11:切換機構 11:Switch mechanism
111:按鈕鍵 111:Button key
12:滑槽 12:Chute
20:引流桿 20: Drainage rod
30:旋轉機構 30: Rotating mechanism
31:第一組件 31:First component
311:第一腔室 311:First chamber
312:第一轉軸 312:First axis
313:連通穿孔 313: Connected perforation
314:第一側面 314:First side
315:第一環狀壁 315: First annular wall
316:旋轉擋板 316: Rotating baffle
317:缺口 317: Gap
32:第二組件 32:Second component
321:第二腔室 321:Second chamber
322:第二轉軸 322:Second axis
323:穿孔 323:Perforation
324:第二側面 324:Second side
325:第二環狀壁 325:Second annular wall
326:旋轉凸件 326: Rotating convex piece
327:限位槽 327: Limit slot
33:鎖定件 33: Locking piece
331:操作部 331:Operation Department
332:卡舌部 332: Tab part
34:導通腔室 34:Conduction chamber
35:彈簧 35:Spring
A:多角度抽吸裝置 A:Multi-angle suction device
B:液體 B: liquid
θ:轉動角度 θ: rotation angle
圖1為本發明較佳實施例立體圖 Figure 1 is a perspective view of a preferred embodiment of the present invention.
圖2為本發明較佳實施例第一部分立體圖 Figure 2 is a perspective view of the first part of the preferred embodiment of the present invention.
圖3為本發明較佳實施例第二部分立體圖 Figure 3 is a perspective view of the second part of the preferred embodiment of the present invention.
圖4a為本發明較佳實施例剖面圖 Figure 4a is a cross-sectional view of a preferred embodiment of the present invention.
圖4b為本發明較佳實施例第一步驟剖面圖 Figure 4b is a cross-sectional view of the first step of the preferred embodiment of the present invention.
圖5a為本發明較佳實施例第一狀態剖面圖 Figure 5a is a cross-sectional view of the first state of the preferred embodiment of the present invention.
圖5b為本發明較佳實施例第二狀態剖面圖 Figure 5b is a cross-sectional view of the second state of the preferred embodiment of the present invention.
圖6為本發明較佳實施例使用示意圖 Figure 6 is a schematic diagram of the use of the preferred embodiment of the present invention.
請參考圖1以及圖6,其為本發明多角度抽吸裝置A較佳實施例示意圖,該多角度抽吸裝置A包含有位置於一近端的一手把部10,以及從該手把部10朝一遠端延伸的一引流桿20,該手把部10包含有至少一引流道以及一切換機構11,該引流道流體連通該引流桿20,而該切換機構11用以控制該引流道及/或該引流桿20,使得該引流桿20的遠端可選擇的執行抽吸或是排除一液體B之行為。
Please refer to Figures 1 and 6, which are schematic diagrams of a preferred embodiment of the multi-angle suction device A of the present invention. The multi-angle suction device A includes a
本發明中並不限定該引流道以及該切換機構11的樣態或是形式,該切換機構11可以是一旋轉鈕或是一按鈕鍵,以切換位置於該手把部10內並且與該引流道連接的一馬達,以改變提供給該引流桿20的一壓力,並達到該引流桿20選擇性的展現抽吸或是排除的行為。
The present invention is not limited to the shape or form of the drainage channel and the
本實施例中,該切換機構11包含有二個按鈕鍵111,二個該按鈕鍵111分別用於選擇性的導通位置於該手把部10內的一第一引流道以及一第二引流道,且該第一引流道以及該第二引流道與該引流桿20流體連通,該第一引流道及該第二引流道與該引流桿20流體連通的方式將於後續段落詳細說明。其中,該第一引流道的近端與一抽真空裝置連接,當該第一引流道透過其中一個該按鈕鍵111導通時,該引流桿20展現抽吸之行為;而該第二引流道的近端與一
灌流裝置連接,當該第二引流道透過另一個該按鈕鍵111導通時,該引流桿20展現排除該液體B之行為。
In this embodiment, the
接著,請配合參考圖2以及圖3,一旋轉機構30設置於該手把部10以及該引流桿20之間,且該旋轉機構30流體連通該手把部10的該引流道以及該引流桿20,該旋轉機構30包含有一第一組件31、一第二組件32以及一鎖定件33。其中,該第一組件31與該第二組件32以一軸心為基準的可旋轉結合,且該第一組件31與該第二組件32於結合後共同界定有與該手把部10的該引流道以及該引流桿20流體連通的一導通腔室34。該鎖定件33用於選擇性與該第一組件31或該第二組件32的鎖定卡合,以鎖定或釋放該第一組件31與該第二組件32之間的旋轉關係。
Next, please refer to FIGS. 2 and 3 , a
該旋轉機構30不限定其與該手把部10或該引流桿20之間的結合關係,例如該旋轉機構30之兩端分別可拆卸的與該手把部10以及該引流桿20組裝連接,或是,該旋轉機構30與至少一個該手把部10或該引流桿20之間一體組裝成形。本實施例中,該第一組件31以及該第二組件32分別與該手把部10以及該引流桿20一體的組裝成形,而該鎖定件33可活動的設置於該手把部10,並且可選擇與該第二組件32的鎖定卡合,該鎖定件33與該第二組件32的卡合關係將於後續端落詳細說明。
The
該旋轉機構30中,該第一組件31與該第二組件32之間可旋轉組合的方式也並不限定。較佳的該第一組件31與該第二組件32之間可以利用凹凸配合的關係,該該第一組件31與該第二組件32可以該軸心為基準的分別形成有一環形凹槽以及可沿該環形凹槽位移之凸件,使得該第一組件31便可以相對該第二組件32以該軸心旋轉。
In the
進一步如圖2所示,該第一組件31為一蓋體,並且於一第一側面314上凹設有一第一腔室311。該第一腔室311之內壁穿設有至少一連通穿孔
313,使得該引流道可以透過該連通穿孔313與該第一腔室311流體連通。本實施例包含有二個連通穿孔313分別與該第一引流道或該第二引流道連通。
As further shown in FIG. 2 , the
該第一側面314上以該軸心為圓心的突出有一第一環狀壁315,該第一環狀壁315之外壁環狀的徑向突出有一旋轉擋板316,且該旋轉擋板316與該第一側面314構成有一間隙。該旋轉擋板316邊緣的至少一部份徑向的凹設有一缺口317,使得該旋轉擋板316對應該缺口317位置所形成的寬度小於其他該旋轉擋板316部位之寬度。
A first
進一步如圖3所示,該第二組件32為一蓋體,並且於一第二側面324上凹設有一第二腔室321。該第二組件32以該第二側面324相應該第一側面314設置並結合,使得該第一腔室311與該第二腔室321共同界定為該導通腔室34。該第二腔室321之內壁穿設有連通該引流桿20的一穿孔323,如此,該引流道(包含該第一引流道以及該第二引流道)便可以透過該連通穿孔313、該導通腔室34(包含該第一腔室311以及該第二腔室321)以及該穿孔323與該引流桿20流體連通。
As further shown in FIG. 3 , the
該第二側面324上以該軸心為圓心的突出有一第二環狀壁325,且第二環狀壁325所構成的一內徑略大於該第一環狀壁315所構成之外徑。該第二環狀壁325內壁的至少一部份徑向突出有一旋轉凸件326,且該旋轉凸件326的寬度略小於該缺口317凹陷於該旋轉擋板316邊緣的所構成的一凹陷寬度。
A second
如此,該第二組件32與該第一組件31於組裝時,該第二組件32可利用該旋轉凸件326對應該缺口317,並且經由該缺口317進入該旋轉擋板316與該第一側面314所構成的該間隙,此時,該間隙便可以視為所述之環形凹槽,而該旋轉凸件326可以視為所述之凸件,當該第二組件32相對該第一組件31以該軸心為基準的旋轉時,該旋轉凸件326與該缺口317錯位,並且受到該第一側面314以及該旋轉擋板316限制其軸方向的位移。如此該第二組件32便可以透過該
第一組件31透過該旋轉凸件326與該間隙的凹凸配合的關係可旋轉的結合。當該第二組件32相對該第一組件31旋轉時,該第二組件32一併的連帶該引流桿20相對該第一組件31旋轉,使得該引流桿20之遠端得以該軸心為基準的指向多個方向。
In this way, when the
較佳的,該第一組件31的該第一側面314沿一心軸的突出形成有一第一轉軸312,而該第二組件32的該第二側面324沿該心軸的突出形成有一第二轉軸322,當該第一組件31以及該第二組件32對應組合時,該第一轉軸312與該第二轉軸322相互可轉動的連接,舉例而言,該第二轉軸322為一中空桿狀,且其內徑略大於該第一轉軸312的外徑,該第一組件31與該第二組件32組合時,該第一轉軸312的至少一部份穿設於該第二轉軸322內,使得該第一組件31與該第二組件32之間便可以該心軸為基準轉動,並展現更穩固的轉動關係。
Preferably, the
該第二組件32於一環側壁的表面上凹設有至少二限位槽327,用以與該鎖定件33可操控的相互卡合。依據該第二組件32相對該第一組件31旋轉的位置,使得至少二個該限位槽327可操控的與該鎖定件33之位置對應或錯位。
The
當該第二組件32的其中一個該限位槽327與該鎖定件33對應時,該鎖定件33可選擇的與該限位槽327鎖定卡合。當該第二組件32的其中一個該限位槽327與該鎖定件33相互卡合時,該引流桿20的延伸方向也相對得以鎖定。
When one of the limiting
進一步的,二個該限位槽之間以該心軸為基準的構成有一轉動角度θ,當該第二組件32其中一個該限位槽327與該鎖定件33對應時,需再轉動該轉動角度θ,才得以將另一個該限位槽327對應至該鎖定件33。
Furthermore, a rotation angle θ is formed between the two limiting grooves based on the spindle. When one of the limiting
接著請參考圖4a以及圖4b,該手把部10鄰近該第二組件32之處設置有一滑槽12,該鎖定件33可活動的沿該滑槽12位移位置。該鎖定件33的兩端分別包含一操作部331以及一卡舌部332。該鎖定件33位置於該滑槽12內時,該操作部331的至少一部份突出於該手把部10之表面,使得一使用者可以透過該操
作部331操作該鎖定件33於該滑槽12內的相對位置,並且該使得該卡舌部332可以朝向該第二組件32靠近或遠離。
Next, please refer to FIG. 4a and FIG. 4b . The
其中於圖4b所示,當該第二組件32的其中一個該限位槽327位置對應該鎖定件33,且該鎖定件33沿該滑槽12位移至最靠近該第二組件32的位置時,該卡舌部332可以深入位置對應的該限位槽327並相互卡合,使得該第二組件32可已經由該卡舌部332固定,避免於不必要時相對該第一組件31旋轉。
As shown in FIG. 4 b , when one of the limiting
進一步的,該第二組件32可以依據需求於該環側壁的表面上凹設有數個限位槽327。配合參考圖5a以及圖5b之內容,本實施例中二個該限位槽之間以該心軸為基準構成的該轉動角度θ為70度。如此,便需要相對該第一組件31的順時鐘或逆時鐘70度的旋轉該第二組件32,才得以將與該鎖定件33對應的其中一個該限位槽327轉換成由另一個該限位槽327與該鎖定件33對應。
Furthermore, the
更佳的,設有一彈簧35給於該鎖定件33朝向該第二組件32抵靠的一偏壓力,使得該鎖定件33對應至其中一個該限位槽327時,便可以依據該偏壓力自動的位移,使得該卡舌部332與其中一個該限位槽327鎖定卡合。該使用者便不需要反覆確定該多角度抽吸裝置A使否已完成鎖定,使整體應用可以更佳便利及直覺性。
Preferably, a
一步的參考圖6,本發明於使用時除了透過該第一組件31與該第二組件32相對選轉之特性,使得可以該引流桿20可以依據需求產生朝向多個該延伸方向變化之特性,該第一組件31與該第二組件32所構成之導通腔室34中,由於該第一轉軸312以及該第二轉軸322的結合設置,使得結合後的該第一轉軸312與該第二轉軸322於該導通腔室34中可以進一步的產生分流液體之效果。
Referring further to FIG. 6 , when the present invention is used, in addition to the relative selection characteristics of the
由於現行抽吸裝置於抽吸或是排除(尤其是抽吸)該液體B時,由於該液體B時常會包含大小不一致且形狀不規則的組織或是血塊,容易導致組織或是血塊於抽吸裝置內堆積阻塞,使得現行抽吸裝置不耐久也容易造成使用
者不便。當利用本發明所提供之多角度抽吸裝置於抽吸或是排除該液體B時,該液體B會因為結合後的該第一轉軸312與該第二轉軸322而產生分流現象於該導通腔室34的兩側流動。如此,便可以藉由此分流液體之效果來降低甚至避免完全堵塞之現象,舉例而言,當只有單側的該導通腔室34於堵塞時,另一側的該導通腔室34便可以維持操作,同時的持續操作該切換機構並提供給該壓力(產生抽吸或是排除),堵塞之處還可以逐漸經由持續給予的該壓力而去除。
When current suction devices are used to aspirate or exclude (especially suction) the liquid B, the liquid B often contains tissues or blood clots of inconsistent sizes and irregular shapes, which can easily lead to tissue or blood clots being aspirated. Accumulation and obstruction in the device make the current suction device less durable and prone to use.
inconvenience. When the multi-angle suction device provided by the present invention is used to suck or exclude the liquid B, the liquid B will cause a divergence phenomenon in the conductive cavity due to the combined first
10:手把部 10: Handlebar
11:切換機構 11:Switch mechanism
111:按鈕鍵 111:Button key
12:滑槽 12:Chute
20:引流桿 20: Drainage rod
30:旋轉機構 30: Rotating mechanism
32:第二組件 32:Second component
33:鎖定件 33: Locking piece
A:多角度抽吸裝置 A:Multi-angle suction device
θ:轉動角度 θ: rotation angle
Claims (8)
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TW111144589A TWI816606B (en) | 2022-11-22 | 2022-11-22 | Variable angle suction device |
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Citations (2)
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CN208677523U (en) * | 2017-11-17 | 2019-04-02 | 吉林大学 | A kind of division of respiratory disease thoracocentesis device |
CN209019565U (en) * | 2018-04-24 | 2019-06-25 | 湖南瀚德微创医疗科技有限公司 | A kind of flushing aspirator suctioning integrated angle adjustable |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN208677523U (en) * | 2017-11-17 | 2019-04-02 | 吉林大学 | A kind of division of respiratory disease thoracocentesis device |
CN209019565U (en) * | 2018-04-24 | 2019-06-25 | 湖南瀚德微创医疗科技有限公司 | A kind of flushing aspirator suctioning integrated angle adjustable |
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