CN119896802A - Aseptic pipe connection method and aseptic pipe connection machine - Google Patents

Aseptic pipe connection method and aseptic pipe connection machine Download PDF

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Publication number
CN119896802A
CN119896802A CN202510084848.5A CN202510084848A CN119896802A CN 119896802 A CN119896802 A CN 119896802A CN 202510084848 A CN202510084848 A CN 202510084848A CN 119896802 A CN119896802 A CN 119896802A
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CN
China
Prior art keywords
hose
pipe connection
hoses
separation
heating unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202510084848.5A
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Chinese (zh)
Inventor
魏金武
王萍
孙加顺
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Nanjing Yanfu Medical Technology Co ltd
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Nanjing Yanfu Medical Technology Co ltd
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.)
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Priority to CN202510084848.5A priority Critical patent/CN119896802A/en
Publication of CN119896802A publication Critical patent/CN119896802A/en
Pending legal-status Critical Current

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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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M2039/0009—Assemblies therefor designed for particular applications, e.g. contrast or saline injection, suction or irrigation

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Pulmonology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention relates to the technical field of sterile connection pipes and discloses a sterile connection pipe method which comprises the following steps of 1, preparing two hoses to be connected, and 2, respectively acting on areas of the two hoses to be separated by using a high-frequency device, so that the areas are melted and fused together due to intense vibration of molecules in pipeline materials of the separated areas. According to the invention, the high-frequency device is used for acting on the separation area of the hose, so that molecules in the pipeline material of the separation area are severely vibrated to cause the melting and fusion of the areas, the separation of the later-stage hose separation area is more facilitated, the tightness of the pipeline is maintained, in addition, when the hose is jointed, an additional heating unit is adopted, so that after the hose is sealed by the high-frequency device, the hose end to be jointed only needs to be maintained at normal temperature, the energy is saved on the first aspect, and the second aspect is that the hose end to be jointed has stronger tightness in the normal temperature state, so that the substances in the pipe can not be polluted by the outside.

Description

Aseptic pipe connecting method and aseptic pipe connecting machine
Technical Field
The invention relates to the technical field of aseptic connection pipes, in particular to an aseptic connection pipe method and an aseptic connection pipe machine.
Background
There is a need in the medical field to aseptically connect hoses (which are used, for example, for transferring blood or infusion fluids) to each other. In the method and device for aseptic connection of hoses in chinese patent (CN 103140259B), it is known that the separation zone of two hoses made of thermoplastic material is first heated and melted, then cut off, and then the two hose ends are joined by rotation so that they meet, using the remaining heat.
In the prior art, when the hose is cut, the hose is heated once, and then the later step is jointed by using the residual temperature, however, the hose end needs to be in a state with higher temperature, which may cause the shape and structure of the hose joint to change, thereby affecting the tightness and the connection strength of the hose.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a sterile pipe connecting machine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A method of aseptic take over comprising the steps of:
Step 1, preparing two hoses to be connected;
Step 2, respectively acting on the areas where the two hoses need to be separated by using a high-frequency device, so that molecules in the pipeline material of the separation area violently vibrate to melt and fuse the areas;
Step 3, mechanically separating the separation areas of the two hoses simultaneously by applying a pulling force on the hoses to form two required ends of the sealed pipes to be connected;
Step 4, moving the tail ends of the two sealing pipes to be connected to the two sides of the heating unit without contacting the heating unit so as to melt the tail ends of the sealing pipes;
Step 5, removing the heating unit, mechanically extruding the two sealing tube ends together in the axial direction, and stopping extrusion immediately after the contacting step, thereby forming a material-locking connection.
Preferably, said pulling force is applied to the hoses while mechanically separating the separated areas of the two hoses, by translation.
Preferably, after the mechanical separation, the hose sealing end is at an ordinary temperature.
Preferably, said mechanically pressing together the two seal tube ends in the axial direction is achieved by translating the two seal tubes.
Preferably, the heating unit adopts a ceramic heating plate.
A sterile takeover machine for use in a sterile takeover method comprising:
two accommodating devices which are arranged oppositely are respectively used for accommodating two hoses to be connected;
High frequency means for effecting formation of a split area weld;
The separating device is used for separating the separating areas of the two hoses and separating the end of the first sealing tube and the end of the second sealing tube to be connected;
and a heating unit for heating the ends of the two sealing pipes to a molten state without mechanical contact.
Preferably, the two said containment means are aligned along a common axis.
Preferably, the holding device is provided with a clamping device for clamping the hose on the holding device.
Preferably, a clamp is further provided on the receiving device, and is electrically connected to a high-frequency device, and the high-frequency device guides a high-frequency voltage to the corresponding clamp so as to generate a high-frequency electric field in the hose separation area when the clamp is closed, thereby realizing fusion of the hose separation area to form a welding seam with a certain width.
Preferably, the device further comprises a working platform, wherein a driving system is arranged at the bottom of the working platform and is used for driving the two accommodating devices and the clamp to move.
Compared with the prior art, the invention has the beneficial effects that:
The invention firstly uses the high-frequency device to act on the separation area of the hose, so that molecules in the pipeline material of the separation area violently vibrate to cause the area to melt and fuse together, which is more beneficial to the separation of the later hose separation area and maintains the tightness of the pipeline, in addition, when the hose is jointed, an additional heating unit is adopted, thus after the hose is sealed by the high-frequency device and then the hose is separated, the hose ends to be connected only need to be maintained at normal temperature, the first aspect is energy saving, the second aspect is that the hose ends to be connected in the normal temperature state have stronger sealing performance, the substances in the hose are ensured not to be polluted by the outside, and the third aspect is that the two hose ends heated by the independent heating units have good connection strength after being connected.
Drawings
FIG. 1 is an overall schematic diagram of a sterile adapter machine according to the present invention;
FIG. 2 is a schematic diagram of a separating device of a sterile pipe connecting machine according to the present invention;
FIG. 3 is a schematic view of a hose status of step 1 of a method for aseptic connection according to the present invention;
FIG. 4 is a schematic view of the state of a hose in step 2 of a method for aseptic connection according to the present invention;
FIG. 5 is a schematic view of the hose status of step 3 of a method for aseptic connection according to the present invention;
FIG. 6 is a schematic view of the hose status of step 4 of a method for aseptic connection according to the present invention;
fig. 7 is a schematic view of a hose state in step 5 of a method for aseptic connection according to the present invention.
In the figure, 1, a working platform, 2, a containing device, 3, a clamp, 4, a protecting device, 5, a separating device, 6, a clamping device and 7, and a heating unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 2-6, a sterile takeover method includes the steps of:
Step 1, preparing two hoses to be connected;
Step 2, respectively acting on the areas where the two hoses need to be separated by using a high-frequency device, so that molecules in the pipeline material of the separation area violently vibrate to melt and fuse the areas;
Step 3, mechanically separating the separation areas of the two hoses simultaneously by applying a pulling force on the hoses to form two required ends of the sealed pipes to be connected;
step 4, moving the two ends of the sealing pipes to be connected to the two sides of the heating unit 7 without contacting the heating unit 7 so as to melt the ends of the sealing pipes;
Step 5, removing the heating unit 7, mechanically pressing the two sealed tube ends together in the axial direction, and stopping the pressing immediately after the contacting step, resulting in a material-locking connection.
In this embodiment, the pulling force is applied to the hoses while mechanically separating the separated areas of the two hoses, which is created by translation.
In this embodiment, after the mechanical separation, the sealing end of the hose is at a normal temperature.
In this embodiment, the mechanical pressing together of the ends of the two sealing tubes in the axial direction is achieved by translating the two sealing tubes.
In this embodiment, the heating unit 7 is a ceramic heating plate.
Compared with the prior art, the invention firstly uses the high-frequency device to act on the separation area of the hose, so that molecules in the pipeline material of the separation area violently vibrate to cause the area to melt and fuse together, which is more beneficial to the separation of the later hose separation area and maintains the tightness of the pipeline, in addition, when the hose is jointed, an additional heating unit is adopted, thus after the hose is sealed by the high-frequency device, the hose is separated, the hose ends to be joined only need to be maintained at normal temperature, the first aspect is energy saving, the second aspect is that the hose ends to be joined in normal temperature state have stronger sealing property, ensure that the substances in the hose cannot be polluted by the outside, and the third aspect is that the two hose ends heated by the independent heating unit 7 have good connection strength after being joined.
The embodiment also provides a sterile pipe connecting machine, as shown in fig. 1, which is applied to a sterile pipe connecting method, and comprises the following steps:
Two oppositely disposed receptacles 2, the two receptacles 2 being aligned along a common axis, the receptacles 2 having receptacles with recesses for insertion of hoses;
the device comprises a working platform 1, wherein a driving system is arranged at the bottom of the working platform 1, a containing device 2 is arranged at the top of the working platform 1, an opening is formed in the top of the working platform 1, the opening corresponds to the moving range of the containing device 2, and the driving system can adopt two XY axis driving devices which are respectively used for driving the two containing devices 2 to move on the working platform 1 in the XY axis direction;
High frequency means for effecting formation of a split area weld;
In this embodiment, two groups of clamps 3 are arranged in the middle of the two accommodating devices 2, the clamps 3 are arranged in the structural range of one protecting device 4, the clamps 3 are electrically connected with a high-frequency voltage generating device, when in operation, electrodes of the clamps 3 move in opposite directions to form a clamping force acting on a soft separation region of a pipe, and high-frequency voltage is led into the clamps 3 and generates a high-frequency electric field between the clamp electrodes to realize fusion of the soft separation region of the pipe to form a welding line with a certain width.
The separating device 5 is used for separating the separating areas of the two hoses, the end of the first sealing tube and the end of the second sealing tube to be connected are separated, the separating device 5 is a combined mechanism, the horizontal movement formed by driving the screw rod by the X-direction moving motor generates separating force, the separating force is transmitted to the accommodating device which is physically connected with the separating device, the clamping device 6 arranged on the accommodating device acts on the separating area of the hoses, and the driving system controls the accommodating device 2 to horizontally move, so that the separation of the hoses and the separating area can be realized;
And the heating unit 7 is used for heating the tail ends of the two sealing pipes to a melting state under the condition of no mechanical contact, the heating unit 7 is arranged on one side of the accommodating device 2 through a push rod motor, the push rod motor can rotate the heating unit 7, so that the two accommodating devices 2 can not be blocked by the heating unit 7 after being propped against each other, the heating unit 7 can heat the end part of the hose, the push rod motor controls the heating unit 7 to withdraw, at the moment, the two accommodating devices 2 are controlled to move through the driving system, the tail ends of the two sealing pipes can be mechanically extruded together in the axial direction, and the extrusion is stopped immediately after the contact step, so that the material locking connection is formed.
In this embodiment, the holding device 2 is provided with a clamping device 6 for clamping the hose on the holding device 2.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (10)

1.一种无菌接管方法，其特征在于，包括以下步骤：1. A sterile pipe connection method, characterized in that it comprises the following steps: 步骤1，准备需要连接的两个软管；Step 1, prepare the two hoses that need to be connected; 步骤2，使用高频装置分别作用于两个软管需要分离的区域，使得分离区域管路材料内部分子剧烈震荡导致该区域融化且融合在一起；Step 2: Use a high-frequency device to act on the areas of the two hoses that need to be separated, so that the molecules inside the pipe material in the separation area vibrate violently, causing the area to melt and fuse together; 步骤3，通过在软管上施加拉力同时将两个软管的分离区域进行机械分离，形成两个所需的待接密封管末端；Step 3, mechanically separating the separation areas of the two hoses by applying a pulling force on the hoses, thereby forming two required sealed pipe ends to be connected; 步骤4，将两个待接密封管末端移动至加热单元两侧，且不接触到加热单元，以融化密封管末端；Step 4, moving the two ends of the sealed tubes to be connected to both sides of the heating unit without contacting the heating unit to melt the ends of the sealed tubes; 步骤5，移除加热单元，将两个密封管末端在轴向上机械的挤压在一起，以及在接触步骤之后立即停止挤压，形成材料锁合的连接。Step 5, removing the heating unit, mechanically pressing the two sealing tube ends together in the axial direction, and stopping the pressing immediately after the contacting step to form a material-locked connection. 2.根据权利要求1所述的一种无菌接管方法，其特征在于：所述在软管上施加拉力同时将两个软管的分离区域进行机械分离，通过平移产生。2. A sterile pipe connection method according to claim 1, characterized in that: the pulling force is applied to the hose to mechanically separate the separation areas of the two hoses at the same time, which is generated by translation. 3.根据权利要求2所述的一种无菌接管方法，其特征在于：所述机械分离后，软管密封末端处于常温状态。3. A sterile pipe connection method according to claim 2, characterized in that: after the mechanical separation, the sealing end of the hose is at room temperature. 4.根据权利要求2所述的一种无菌接管方法，其特征在于：所述将两个密封管末端在轴向上机械的挤压在一起通过平移两个密封管实现。4. A sterile pipe connection method according to claim 2, characterized in that: the mechanical squeezing of the two sealing tube ends together in the axial direction is achieved by translating the two sealing tubes. 5.根据权利要求1所述的一种无菌接管方法，其特征在于：所述加热单元采用陶瓷加热片。5. A sterile pipe connection method according to claim 1, characterized in that: the heating unit adopts a ceramic heating plate. 6.一种无菌接管机，应用于权利要求1-5任一项所述的一种无菌接管方法中，其特征在于：包括：6. A sterile pipe connection machine, applied to a sterile pipe connection method according to any one of claims 1 to 5, characterized in that it comprises: 两个对向设置的容纳装置，分别用于容纳需要连接的两个软管；Two accommodating devices arranged opposite to each other are respectively used to accommodate two hoses to be connected; 用于实现形成分离区域焊缝的高频装置；A high frequency device for achieving a weld seam forming a separation zone; 分离装置，用于分离两个软管的分离区域，分离出待接的第一密封管末端和第二密封管末端；A separation device, used to separate the separation area of the two hoses, and separate the first sealed tube end and the second sealed tube end to be connected; 加热单元，用于在没有机械接触的条件下将两个密封管末端加热至融化状态。Heating unit for heating the two sealed tube ends to a molten state without mechanical contact. 7.根据权利要求6所述的一种无菌接管机，其特征在于：两个所述容纳装置沿着公共轴线对齐。7. The aseptic tube receiving machine according to claim 6, characterized in that the two receiving devices are aligned along a common axis. 8.根据权利要求6所述的一种无菌接管机，其特征在于：所述容纳装置上配备一个夹紧装置，用于夹紧在容纳装置上的软管。8. An aseptic pipe connection machine according to claim 6, characterized in that the accommodating device is equipped with a clamping device for clamping the hose on the accommodating device. 9.根据权利要求6所述的一种无菌接管机，其特征在于：所述容纳装置旁边还配合设置夹钳，该夹钳与高频装置电连接，高频装置将高频电压导入相应的夹钳，以便在夹钳闭合时在软管分离区域产生高频电场，实现软管分离区域熔合形成具有一定宽度的焊缝。9. An aseptic pipe connection machine according to claim 6, characterized in that: a clamp is also arranged next to the accommodating device, and the clamp is electrically connected to a high-frequency device, and the high-frequency device introduces a high-frequency voltage into the corresponding clamp, so as to generate a high-frequency electric field in the hose separation area when the clamp is closed, so as to achieve fusion of the hose separation area to form a weld with a certain width. 10.根据权利要求6所述的一种无菌接管机，其特征在于：还包括工作平台，所述工作平台底部设置有驱动系统，用于驱动两个容纳装置以及夹钳的运动。10. The aseptic pipe connection machine according to claim 6, characterized in that it also includes a working platform, and a driving system is arranged at the bottom of the working platform for driving the movement of the two containing devices and the clamps.
CN202510084848.5A 2025-01-20 2025-01-20 Aseptic pipe connection method and aseptic pipe connection machine Pending CN119896802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202510084848.5A CN119896802A (en) 2025-01-20 2025-01-20 Aseptic pipe connection method and aseptic pipe connection machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202510084848.5A CN119896802A (en) 2025-01-20 2025-01-20 Aseptic pipe connection method and aseptic pipe connection machine

Publications (1)

Publication Number Publication Date
CN119896802A true CN119896802A (en) 2025-04-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202510084848.5A Pending CN119896802A (en) 2025-01-20 2025-01-20 Aseptic pipe connection method and aseptic pipe connection machine

Country Status (1)

Country Link
CN (1) CN119896802A (en)

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