WO2014094341A1 - Blockage-proof-type negative pressure suction apparatus - Google Patents

Blockage-proof-type negative pressure suction apparatus Download PDF

Info

Publication number
WO2014094341A1
WO2014094341A1 PCT/CN2013/000249 CN2013000249W WO2014094341A1 WO 2014094341 A1 WO2014094341 A1 WO 2014094341A1 CN 2013000249 W CN2013000249 W CN 2013000249W WO 2014094341 A1 WO2014094341 A1 WO 2014094341A1
Authority
WO
WIPO (PCT)
Prior art keywords
flow channel
negative pressure
tube
suction
tube core
Prior art date
Application number
PCT/CN2013/000249
Other languages
French (fr)
Chinese (zh)
Inventor
曾晨光
曾军
庄亮
Original Assignee
Zeng Chenguang
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zeng Chenguang filed Critical Zeng Chenguang
Publication of WO2014094341A1 publication Critical patent/WO2014094341A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/96—Suction control thereof
    • A61M1/962—Suction control thereof having pumping means on the suction site, e.g. miniature pump on dressing or dressing capable of exerting suction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/60—Containers for suction drainage, adapted to be used with an external suction source
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/98—Containers specifically adapted for negative pressure wound therapy

Definitions

  • the present invention relates to a negative pressure inducer, and specifically relates to an anti-blocking negative pressure suction device which is simple in structure and convenient for shaping and diverting the suction material in the flow passage.
  • the existing negative pressure suction 'leading tube mainly consists of a negative pressure source and a suction tube, one end of the suction tube is connected to the negative pressure source, and the other end is used as a suction port to extend into the Wei Chuangkou: the various types of wound effusion are removed. Because the effusion in the wound may contain some large blocks, the woven mass, the 'clotting block and other debris need to be removed, the existing suction tube is easily blocked by these blocks: and the partial pressure is not negative. Uniformity may damage tissue and organs in contact with the suction port.
  • the utility model provides an anti-blocking negative pressure suction device which is simple in structure and convenient for shaping and diverting the attraction in the flow channel, and includes a flow path formed in the middle.
  • the suction pipe is disposed at the upper and lower ends of the flow channel, and the bottom end of the suction pipe is connected with a negative pressure source.
  • the outer contour of the flow channel has a flared shape, and the small end faces the end of the negative pressure source.
  • the inner wall of the suction tube is provided with a spiral protrusion.
  • the suction pipe is built therein; a die, another flow channel is formed in the middle of the die, and the top wall of the other flow channel is recorded, and the bottom end is provided with an opening, and the sidewall of the upper end of the die is formed.
  • suction flow path tube equipped with a die, said intermediate die further formed with a flow path, the other flow passage to the top closure 'that: the bottom opening was provided, the side walls forming the upper die
  • the outer contour of the die is stepped with its small end facing the suction opening of the suction tube.
  • the outer wall of the die or the inner wall of the suction tube is provided with another spiral protrusion.
  • the flow of the suction tube of the anti-blocking vacuum suction device of the present invention The track is horn-shaped, and its small end faces the negative pressure source.
  • the attraction can rotate along the inner wall of the suction tube during the flow of the flow channel, and some large pieces of tissue and blood clots are shaped during the drainage process, thereby improving the passage.
  • the inner wall of the suction tube is provided with a spiral protrusion, which can further accelerate the attraction of the attraction along the inner wall of the suction tube by using the spiral protrusion.
  • the process of draining large pieces of tissue and blood clots is further shaped to facilitate drainage.
  • a porous membrane die is disposed in the flow path of the suction tube, and another flow path is formed in the middle of the tube.
  • FIG. 1 is a schematic structural view of a first embodiment of the anti-blocking vacuum suction device of the present invention
  • FIG. 2 is a schematic structural view of a second embodiment of the anti-blocking vacuum suction device of the present invention
  • FIG. 4 is a schematic structural view of Embodiment 4 of the anti-blocking negative pressure suction device of the present invention.
  • the anti-blocking negative pressure suction device of the present invention comprises a suction pipe 1 and a negative pressure source 2, and a flow passage 11 is formed along the longitudinal direction of the suction pipe 1, and the flow passage 11 is up and down. Both ends are provided with openings, and the outer contour of the flow passage 11 (the inner wall of the suction pipe 1) is flared, and the inner wall of the suction pipe 1 is provided with a spiral projection 12, and the small end of the flow passage 11 is connected to the negative pressure source 2.
  • the suction port (tip) of the suction tube 1 is inserted into the wound, and the negative pressure source 2 is opened, and the drain can flow downward along the flow path 11, since the flow path 11 is a horn.
  • the inner wall of the suction tube 1 is provided with a spiral protrusion 12, and during the flow, the drainage object rotates along the flow path 11, and some of the larger pieces of the tissue and the blood clot are shaped during the drainage process, facilitating the Drainage is excluded to prevent large pieces of tissue and blood clots from clogging the flow path 11.
  • the anti-blocking vacuum suction device of the present invention includes a suction tube 1, and a negative tube. 13 000249
  • the pressure source 2 and the die 3 are formed with a flow channel 11 along the longitudinal direction of the suction pipe 1.
  • the upper and lower ends of the flow channel 11 are open, and the flow channel 11 is flared, and the small end of the flow channel 11 is connected.
  • the negative pressure source 2, the die 3 is disposed in the flow channel 11 of the suction tube 1, the die 3 is made of a porous membrane material, another flow channel 31 is formed in the middle of the die 3, and the top end of the other flow channel 31 is closed.
  • the bottom end is provided with an opening, and the flow passage 11 and the other flow passage 31 are configured by the same axial center.
  • the side wall of the upper end of the die 3 is formed with at least one liquid permeable hole 32 communicating with the other flow passage 31, and the bottom of the other flow passage 31.
  • the end is connected to the negative pressure source 2 or directly to another negative pressure source 21.
  • the outer contour of the die 3 of the present invention is arranged in a stepped shape with its small end facing the suction opening of the suction pipe 1, and the outer wall of the die 3 or the inner wall of the suction pipe 1 is provided with another spiral protrusion 33.
  • the suction port (tip) of the suction tube 1 is inserted into the wound, and the negative pressure source 2 is opened (or the negative pressure source 2 and the other negative pressure source 21 are simultaneously turned on), and the drain is It may flow downward along the flow path 11, since the inner wall of the suction pipe 1 (or the outer wall of the die 3) is flared, and the outer wall of the die 3 is provided with another spiral protrusion 33, during the flow,
  • the drain will rotate along the flow path 11, and during the process of the attraction being rotated between the inner wall of the suction tube 1 and the outer wall of the die 3, the tissue and the blood clot are removed along the flow path 11, and the fluid can be along the die.
  • the other flow path 31 of 3 is shunted out, and, when the tissue and the blood clot are too large to block the flow path 11, the effusion can be along the other flow path 31 of the die 3 through the liquid permeable hole 32 of the porous film die 3.
  • the shunt is removed to achieve the purpose of adequately removing the effusion.

Abstract

A blockage-proof-type negative pressure suction apparatus comprising a suction tube (1), a negative pressure source (2), and a tube core (3). A flow channel (11) is formed at the middle of the suction tube (1) along the length thereof. The two ends of the flow channel (11) are trumpet-shaped openings, and the small end thereof is connected to the negative pressure source (2). The tube core (3) is arranged within the flow channel (11) of the suction tube (1). The external contour of the tube core (3) is step-shaped. Another flow channel (31) is formed in the middle of the tube core (3). The top end of the other flow channel (31) is sealed, while the bottom end is configured as an opening for connection to the negative pressure source (2). The sidewall of the upper end of the tube core (3) has formed at least one liquid permeation hole (32) in communication with the other flow channel (31). The inner wall of the suction tube (1) or the outer wall of the tube core (3) is provided with a spiral protrusion. Utilization of the spiral protrusion allows a sucked object to rotate along the flow channels, and large chunks of tissue materials and blood clots are removed along the flow channel (11), while effusions can be divergently removed along the other flow channel (31) of the tube core (3).

Description

防堵式负压吸引器 技术领域  Anti-blocking vacuum suction device
本实甩新型涉： 释负压 引器， 具体来说， 涉及一种结构简单， 方便 对流道内的吸^物进行塑形引流和分流的防堵式负压吸引器。  The present invention relates to a negative pressure inducer, and specifically relates to an anti-blocking negative pressure suction device which is simple in structure and convenient for shaping and diverting the suction material in the flow passage.
背景技术 Background technique
现有的负压吸 '引管;主要由负压源和吸引管组成，吸引管一端连接负压源， 其另一端作为吸引口伸入魏创口：内清除各类创口积液。 由于创口内积液中可 能含有一些较大块的组 .织块、'凝血块及其他残物需要清除， 现有的吸引管容 易被这些块状物堵塞:, 而且部分堵塞后造成负压不均匀可能使与吸引口接触 的组织器官受损。 The existing negative pressure suction 'leading tube ; mainly consists of a negative pressure source and a suction tube, one end of the suction tube is connected to the negative pressure source, and the other end is used as a suction port to extend into the Wei Chuangkou: the various types of wound effusion are removed. Because the effusion in the wound may contain some large blocks, the woven mass, the 'clotting block and other debris need to be removed, the existing suction tube is easily blocked by these blocks: and the partial pressure is not negative. Uniformity may damage tissue and organs in contact with the suction port.
实用新型内容 Utility model content
针对以上的不足,: ·':.·本.实用新型提供了一种结构简单， 方便对流道内的吸 引物进行塑形引流 分流的防堵式负压吸引器， 它包括中间形成有流道的吸 引管， 所述流道的上下 -两端呈开口设置， 所述吸引管的底端连接有负压源， 所述流道的外部轮廓呈喇叭状， 其小端朝向负压源一端。  In view of the above deficiencies,: ·: The utility model provides an anti-blocking negative pressure suction device which is simple in structure and convenient for shaping and diverting the attraction in the flow channel, and includes a flow path formed in the middle. The suction pipe is disposed at the upper and lower ends of the flow channel, and the bottom end of the suction pipe is connected with a negative pressure source. The outer contour of the flow channel has a flared shape, and the small end faces the end of the negative pressure source.
所述吸引管的内壁设置有螺旋线凸起。  The inner wall of the suction tube is provided with a spiral protrusion.
所述吸引管 道内 置有;管芯， 所述管芯的中间形成有另一流道， 所 述另一流道的.顶墻錄随,，有集底端呈开口设置， 管芯上端的侧壁形成有至少一 个与所述另一流道相通的透液孔， 另一流道的底端连接负压源。  The suction pipe is built therein; a die, another flow channel is formed in the middle of the die, and the top wall of the other flow channel is recorded, and the bottom end is provided with an opening, and the sidewall of the upper end of the die is formed. There is at least one liquid permeable hole communicating with the other flow path, and the bottom end of the other flow path is connected to a negative pressure source.
所述吸引管的流道内, 置有管芯， 所述管芯的中间形成有另一流道， 所 述另一流道的顶端封闭'， 其 :底端呈开口设置， 管芯上端的侧壁形成有至少一 个与所述另一流道相通的透液孔， 另一流道的底端连接另一负压源。 Said suction flow path tube, equipped with a die, said intermediate die further formed with a flow path, the other flow passage to the top closure 'that: the bottom opening was provided, the side walls forming the upper die There is at least one liquid permeable hole communicating with the other flow path, and the bottom end of the other flow path is connected to another negative pressure source.
所述管芯的外部轮廓呈阶梯状， 其小端朝向吸引管的吸引口。  The outer contour of the die is stepped with its small end facing the suction opening of the suction tube.
所述管芯的外壁或者吸引管的内壁设置有另一螺旋线凸起。  The outer wall of the die or the inner wall of the suction tube is provided with another spiral protrusion.
本实用新型的有益效果： 本实用新型的防堵式负压吸引器的吸引管的流 道呈喇叭状， 其小端朝向负压源， 吸引物在流道流动的过程中可以沿着吸引 管的内壁旋转， 一些大块的组织物和血块引流的过程中被塑形， 从而提升通 过性， 方便其引流排除， 避免大块的组织物和血块堵塞流道； 另外， 吸引管 的内壁设置有螺旋线凸起， 可以利用螺旋线凸起进一步加快吸引物沿着吸引 管的内壁旋转， 使得大块的组织物和血块引流的过程中进一步被塑形， 方便 其引流排除； 再有， 吸引管的流道内设置有多孔膜管芯， 管芯的中间形成有 另一流道， 吸引物沿着吸引管的内壁与管芯的外壁之间旋转的过程中， 组织 物和血块沿着流道排除， 积液可以沿着管芯的另一流道分流排除， 而且， 当 组织物和血块过大而堵塞流道时， 可以通过多孔膜管芯将积液沿着管芯的另 一流道分流排除， 以达到充分清除积液的目的。 Advantageous Effects of the Invention: The flow of the suction tube of the anti-blocking vacuum suction device of the present invention The track is horn-shaped, and its small end faces the negative pressure source. The attraction can rotate along the inner wall of the suction tube during the flow of the flow channel, and some large pieces of tissue and blood clots are shaped during the drainage process, thereby improving the passage. Sexuality, convenient drainage, avoiding large pieces of tissue and blood clots blocking the flow channel; in addition, the inner wall of the suction tube is provided with a spiral protrusion, which can further accelerate the attraction of the attraction along the inner wall of the suction tube by using the spiral protrusion. The process of draining large pieces of tissue and blood clots is further shaped to facilitate drainage. Further, a porous membrane die is disposed in the flow path of the suction tube, and another flow path is formed in the middle of the tube. During the rotation between the inner wall of the suction tube and the outer wall of the wick, the tissue and the blood clot are removed along the flow path, and the effusion can be removed along the other flow path of the wick, and when the tissue and blood clot are too large When the flow channel is blocked, the effusion can be shunted along the other channel of the wick through the porous membrane die to achieve the purpose of sufficiently removing the effusion.
附图说明 DRAWINGS
图 1为本实用新型的防堵式负压吸引器的实施方式一的结构示意图； 图 2为本实用新型的防堵式负压吸引器的实施方式二的结构示意图； 图 3为本实用新型的防堵式负压吸引器的实施方式三的结构示意图； 图 4为本实用新型的防堵式负压吸引器的实施方式四的结构示意图。 具体实施方式  1 is a schematic structural view of a first embodiment of the anti-blocking vacuum suction device of the present invention; FIG. 2 is a schematic structural view of a second embodiment of the anti-blocking vacuum suction device of the present invention; FIG. 4 is a schematic structural view of Embodiment 4 of the anti-blocking negative pressure suction device of the present invention. FIG. detailed description
下面结合附图对本实用新型进行进一步阐述， 其中， 本实用新型的方向 以图 1为标准。  The present invention will be further described below in conjunction with the accompanying drawings, wherein the orientation of the present invention is based on FIG.
如图 1和图 2所示， 本实用新型的防堵式负压吸引器包括吸引管 1和负 压源 2， 吸引管 1的中间沿其长度方向形成有流道 11 ,流道 11的上下两端均 呈开口设置， 流道 11 的外部轮廓 （吸引管 1 的内壁） 呈喇叭状， 吸引管 1 的内壁设置螺旋线凸起 12， 流道 11的小端连接负压源 2。 这样， 在清除引流 物的时候， 将吸引管 1 的吸引口 （顶端）伸入到创口内， 打开负压源 2 , 引 流物就可以沿着流道 11向下流动， 由于流道 11呈喇叭状， 且吸引管 1的内 壁设置螺旋线凸起 12， 在流动的过程中， 引流物会沿着流道 11旋转， 一些 较大块的组织物和血块引流的过程中被塑形， 方便其引流排除， 避免大块的 组织物和血块堵塞流道 11。  As shown in FIG. 1 and FIG. 2, the anti-blocking negative pressure suction device of the present invention comprises a suction pipe 1 and a negative pressure source 2, and a flow passage 11 is formed along the longitudinal direction of the suction pipe 1, and the flow passage 11 is up and down. Both ends are provided with openings, and the outer contour of the flow passage 11 (the inner wall of the suction pipe 1) is flared, and the inner wall of the suction pipe 1 is provided with a spiral projection 12, and the small end of the flow passage 11 is connected to the negative pressure source 2. Thus, when the drain is removed, the suction port (tip) of the suction tube 1 is inserted into the wound, and the negative pressure source 2 is opened, and the drain can flow downward along the flow path 11, since the flow path 11 is a horn. And the inner wall of the suction tube 1 is provided with a spiral protrusion 12, and during the flow, the drainage object rotates along the flow path 11, and some of the larger pieces of the tissue and the blood clot are shaped during the drainage process, facilitating the Drainage is excluded to prevent large pieces of tissue and blood clots from clogging the flow path 11.
如图 3和图 4所示， 本实用新型的防堵式负压吸引器包括吸引管 1、 负 13 000249 As shown in FIG. 3 and FIG. 4, the anti-blocking vacuum suction device of the present invention includes a suction tube 1, and a negative tube. 13 000249
3 压源 2和管芯 3 , 吸引管 1的中间沿其长度方向形成有流道 11，流道 11的上 下两端均呈开口设置， 流道 11呈喇叭状， 流道 11 的小端连接负压源 2， 管 芯 3设置在吸引管 1的流道 11 内，管芯 3采用多孔膜材料制成，管芯 3的中 间形成有另一流道 31， 另一流道 31 的顶端封闭， 其底端呈开口设置， 流道 11和另一流道 31釆用相同轴心结构， 管芯 3上端的侧壁形成有至少一个与 另一流道 31相通的透液孔 32， 另一流道 31的底端连接负压源 2或者直接连 接另一负压源 21。 另外， 本实用新型的管芯 3的外部轮廓设置成阶梯状， 其 小端朝向吸引管 1的吸引口， 管芯 3的外壁或者吸引管 1的内壁设置另一螺 旋线凸起 33。  3 The pressure source 2 and the die 3 are formed with a flow channel 11 along the longitudinal direction of the suction pipe 1. The upper and lower ends of the flow channel 11 are open, and the flow channel 11 is flared, and the small end of the flow channel 11 is connected. The negative pressure source 2, the die 3 is disposed in the flow channel 11 of the suction tube 1, the die 3 is made of a porous membrane material, another flow channel 31 is formed in the middle of the die 3, and the top end of the other flow channel 31 is closed. The bottom end is provided with an opening, and the flow passage 11 and the other flow passage 31 are configured by the same axial center. The side wall of the upper end of the die 3 is formed with at least one liquid permeable hole 32 communicating with the other flow passage 31, and the bottom of the other flow passage 31. The end is connected to the negative pressure source 2 or directly to another negative pressure source 21. Further, the outer contour of the die 3 of the present invention is arranged in a stepped shape with its small end facing the suction opening of the suction pipe 1, and the outer wall of the die 3 or the inner wall of the suction pipe 1 is provided with another spiral protrusion 33.
这样， 在清除引流物的时候， 将吸引管 1的吸引口 （顶端） 伸入到创口 内， 打开负压源 2 (或者同时打开负压源 2和另一负压源 21 ) ， 引流物就可 以沿着流道 11向下流动， 由于吸引管 1的内壁（或者管芯 3的外壁）呈喇叭 状， 而且管芯 3的外壁设置有另一螺旋线凸起 33， 在流动的过程中， 引流物 会沿着流道 11旋转，吸引物沿着吸引管 1的内壁与管芯 3的外壁之间旋转的 过程中， 组织物和血块沿着流道 11排除， 积液可以沿着管芯 3 的另一流道 31分流排除， 而且， 当组织物和血块过大而堵塞流道 11 时， 可以通过多孔 膜管芯 3的透液孔 32将积液沿着管芯 3的另一流道 31分流排除， 以达到充 分清除积液的目的。  Thus, when the drain is removed, the suction port (tip) of the suction tube 1 is inserted into the wound, and the negative pressure source 2 is opened (or the negative pressure source 2 and the other negative pressure source 21 are simultaneously turned on), and the drain is It may flow downward along the flow path 11, since the inner wall of the suction pipe 1 (or the outer wall of the die 3) is flared, and the outer wall of the die 3 is provided with another spiral protrusion 33, during the flow, The drain will rotate along the flow path 11, and during the process of the attraction being rotated between the inner wall of the suction tube 1 and the outer wall of the die 3, the tissue and the blood clot are removed along the flow path 11, and the fluid can be along the die. The other flow path 31 of 3 is shunted out, and, when the tissue and the blood clot are too large to block the flow path 11, the effusion can be along the other flow path 31 of the die 3 through the liquid permeable hole 32 of the porous film die 3. The shunt is removed to achieve the purpose of adequately removing the effusion.
以上所述仅为本发明的较佳实施方式，本发明并不局限于上述实施方式， 在实施过程中可能存在局部微小的结构改动， 如果对本发明的各种改动或变 型不脱离本发明的精神和范围， 且属于本发明的权利要求和等同技术范围之 内， 则本发明也意图包含这些改动和变型。  The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and there may be a slight slight structural change in the implementation process, and various modifications or variations of the present invention are not deviated from the spirit of the present invention. The scope of the invention is intended to embrace such modifications and variations.

Claims

权 利 要 求 书 claims
1、一种防堵式负压吸引器， 它包括中间形成有流道（ 11 )的吸引管（1 ) , 所述流道 （11 ) 的上下两端呈开口设置， 所述吸引管的流道 （11 ) 的底端连 接有负压源 （2 ) , 其特征在于， 所述流道 （11 ) 的外部轮廓呈喇叭状， 其 小端朝向负压源 （2) —端。 1. An anti-blocking negative pressure suction device, which includes a suction tube (1) with a flow channel (11) formed in the middle. The upper and lower ends of the flow channel (11) are open, and the flow of the suction tube (11) is open. The bottom end of the channel (11) is connected to the negative pressure source (2), which is characterized in that the outer contour of the flow channel (11) is trumpet-shaped, and its small end faces the end of the negative pressure source (2).
2、 根据权利要求 1所述的防堵式负压吸引器， 其特征在于， 所述吸引管 ( 1 ) 的内壁设置有螺旋线凸起 （12) 。 2. The anti-blocking negative pressure suction device according to claim 1, characterized in that the inner wall of the suction tube (1) is provided with a spiral protrusion (12).
3、 根据权利要求 1所述的防堵式负压吸引器， 其特征在于， 所述吸引管 ( 1 ) 的流道 （11 ) 内设置有管芯 （ 3 ) ， 所述管芯 （3) 的中间形成有另一 流道（31 ) , 所述另一流道（31 )的顶端封闭， 其底端呈开口设置， 管芯（3) 上端的侧壁形成有至少一个与所述另一流道 （31 ) 相通的透液孔 （32) ， 另 一流道 （31 ) 的底端连接负压源 （2) 。 3. The anti-blocking negative pressure suction device according to claim 1, characterized in that a tube core (3) is provided in the flow channel (11) of the suction tube (1), and the tube core (3) Another flow channel (31) is formed in the middle, the top of the other flow channel (31) is closed, and its bottom end is open, and the side wall of the upper end of the tube core (3) is formed with at least one connection with the other flow channel (31). 31) communicates with the liquid permeable hole (32), and the bottom end of the other flow channel (31) is connected to the negative pressure source (2).
4、 根据权利要求 1所述的防堵式负压吸引器， 其特征在于， 所述吸引管 ( 1 ) 的流道 （11 ) 内设置有管芯 （ 3) , 所述管芯 （ 3) 的中间形成有另一 流道（31 ) , 所述另一流道（ 31 )的顶端封闭， 其底端呈开口设置， 管芯（3) 上端的侧壁形成有至少一个与所述另一流道 （31 ) 相通的透液孔 （32) ， 另 一流道 （31 ) 的底端连接另一负压源 （21 ) 。 4. The anti-blocking negative pressure suction device according to claim 1, characterized in that a tube core (3) is provided in the flow channel (11) of the suction tube (1), and the tube core (3) Another flow channel (31) is formed in the middle, the top of the other flow channel (31) is closed, and its bottom end is open, and the side wall of the upper end of the tube core (3) is formed with at least one connection with the other flow channel (31). 31) communicates with the liquid permeable hole (32), and the bottom end of the other flow channel (31) is connected to another negative pressure source (21).
5、 根据权利要求 3或 4所述的防堵式负压吸引器， 其特征在于， 所述管芯 ( 3) 的外部轮廓呈阶梯状， 其小端朝向吸引管 （1 ) 的吸引口。 5. The anti-blocking negative pressure suction device according to claim 3 or 4, characterized in that the outer contour of the tube core (3) is stepped, and its small end faces the suction port of the suction tube (1).
6、根据权利要求 5所述的防堵式负压吸引器，其特征在于，所述管芯（ 3 ) 的外壁或者吸引管 （1 ) 的内壁设置有另一螺旋线凸起 （33) 。 6. The anti-blocking negative pressure suction device according to claim 5, characterized in that the outer wall of the tube core (3) or the inner wall of the suction tube (1) is provided with another spiral protrusion (33).
PCT/CN2013/000249 2012-12-18 2013-03-08 Blockage-proof-type negative pressure suction apparatus WO2014094341A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201220704885XU CN203089995U (en) 2012-12-18 2012-12-18 Anti-blocking vacuum extractor
CN201220704885.X 2012-12-18

Publications (1)

Publication Number Publication Date
WO2014094341A1 true WO2014094341A1 (en) 2014-06-26

Family

ID=48841446

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/000249 WO2014094341A1 (en) 2012-12-18 2013-03-08 Blockage-proof-type negative pressure suction apparatus

Country Status (2)

Country Link
CN (1) CN203089995U (en)
WO (1) WO2014094341A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10874410B2 (en) 2015-11-04 2020-12-29 Covidien Lp Clot removal by adhesion

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104800964B (en) * 2015-04-20 2017-12-01 河南科技大学第一附属医院 A kind of anti-absorption left heart drainage-tube
CN105169548A (en) * 2015-09-07 2015-12-23 王敏 Suction device and diversion head thereof
CN111956876B (en) * 2020-08-26 2023-05-12 重庆尚业医疗器械有限公司 Anti-blocking suction tube for operation and anti-blocking method
CN111956875B (en) * 2020-08-26 2023-06-09 重庆尚业医疗器械有限公司 Manual anti-blocking suction tube

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6186975B1 (en) * 1998-10-30 2001-02-13 Suzuki Motor Corporation Liquid conveying catheter
CN2495316Y (en) * 2001-07-13 2002-06-19 温玉库 Disposable, block-proof and negative pressure suction baspirator tip
CN201044853Y (en) * 2007-05-26 2008-04-09 安宝明 Suction head of negative pressure suction device
CN201192523Y (en) * 2008-04-14 2009-02-11 付学广 Disposable negative-pressure double-sleeve drainage tube
CN103007423A (en) * 2012-12-18 2013-04-03 曾晨光 Negative-pressure aspirator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6186975B1 (en) * 1998-10-30 2001-02-13 Suzuki Motor Corporation Liquid conveying catheter
CN2495316Y (en) * 2001-07-13 2002-06-19 温玉库 Disposable, block-proof and negative pressure suction baspirator tip
CN201044853Y (en) * 2007-05-26 2008-04-09 安宝明 Suction head of negative pressure suction device
CN201192523Y (en) * 2008-04-14 2009-02-11 付学广 Disposable negative-pressure double-sleeve drainage tube
CN103007423A (en) * 2012-12-18 2013-04-03 曾晨光 Negative-pressure aspirator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10874410B2 (en) 2015-11-04 2020-12-29 Covidien Lp Clot removal by adhesion

Also Published As

Publication number Publication date
CN203089995U (en) 2013-07-31

Similar Documents

Publication Publication Date Title
WO2014094341A1 (en) Blockage-proof-type negative pressure suction apparatus
JP2017513693A5 (en)
CN203469114U (en) Irrigation and drainage instrument for dealing with deep infected wound
RU2007147018A (en) SYSTEM AND METHOD FOR LIQUID FLOW CONTROL IN THE ASPIRATION CHAMBER
WO2014094342A1 (en) Negative-pressure suction apparatus
WO2017004861A1 (en) Negative-pressure suction adjustment device used in technology for extracting calculuses by using trans-sheath endoscope
WO2016086610A1 (en) Closed type drainage device for thoracic cavity
CN201492445U (en) Muddy stone attraction filter
CN202122764U (en) Medical negative-pressure drainage sucker
CN204932403U (en) Gastrointestinal surgery gastro-intestinal Fluid decompressor
CN203122470U (en) Specimen collector for minimally invasive surgery
CN203885982U (en) In-cavity high-negative-pressure flushing flow guiding pipe
CN203292132U (en) Dust sucking device
CN206597086U (en) A kind of negative pressure wound surface therapeutic system
CN103126729B (en) Specimen collector of minimally invasive surgery
CN104099994A (en) Floor drain
CN204501859U (en) A kind of new surgical operation cleaning apparatus
CN204134024U (en) A kind of external sucked type negative pressure drainage device
CN201658691U (en) Negative-pressure lavage closed member and negative-pressure lavage suction device
CN205796230U (en) A kind of washable negative pressure drainage pipe
CN204723153U (en) Disposable two-chamber miscarriage pipet
CN211214611U (en) Paediatrics department of respiration sputum clearing device
CN205310474U (en) Slurry casting device
CN203090206U (en) Mesh enclosure type negative-pressure extraction apparatus
CN203208513U (en) Medical vacuum drainage sucking disc

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13866269

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 22/10/2015)

122 Ep: pct application non-entry in european phase

Ref document number: 13866269

Country of ref document: EP

Kind code of ref document: A1