WO2021031448A1 - 一种手术电刀笔 - Google Patents

一种手术电刀笔 Download PDF

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Publication number
WO2021031448A1
WO2021031448A1 PCT/CN2019/122607 CN2019122607W WO2021031448A1 WO 2021031448 A1 WO2021031448 A1 WO 2021031448A1 CN 2019122607 W CN2019122607 W CN 2019122607W WO 2021031448 A1 WO2021031448 A1 WO 2021031448A1
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WO
WIPO (PCT)
Prior art keywords
handle
circuit board
circuit
electric
flat cable
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PCT/CN2019/122607
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English (en)
French (fr)
Inventor
苏英
周雷
尹作凯
刘雨
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浙江舒友仪器设备有限公司
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Publication of WO2021031448A1 publication Critical patent/WO2021031448A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/61—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/613—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures by means of interconnecting elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00607—Coagulation and cutting with the same instrument
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape

Definitions

  • the present invention relates to the field of medical equipment, and more specifically, to an electrosurgical pen.
  • the medical electrosurgical pen is a relatively common medical device used in surgery.
  • the main function of the electrosurgical pen is to cut tissues and electrocoagulate hemostasis. It usually includes a surgical handle, a surgical electrode, and a surgical handle connected to the surgical electrode.
  • the existing electrosurgical pen power cord mainly uses a three-core sheathed wire, and the technical defects are as follows: 1.
  • each wire is not fixed before, and it is not easy to realize large-scale automatic wire bonding, and the consistency of manual welding is not easy to control and easy to appear. Welding and welding are not firm; 2. Each core wire and core wire are superimposed on each other, and when welding with the circuit board, welding angles are likely to occur, forming stress points, causing breakage, and non-conduction or poor conduction in clinical ; 3. The core wire and the core wire position are not fixed, the welding worker is required to distinguish the welding position, which increases the risk of wire welding wrong position.
  • the purpose of the present invention is to make up for the defects in the prior art, provide a surgical electrosurgical pen, improve the convenience, firmness and reliability of the welding of the power cord and the circuit board, reduce the poor conduction rate of the electrosurgical pen, and improve the welding wire Production efficiency.
  • a surgical electrosurgical pen comprising a handle, a power cord and a power plug.
  • the two ends of the power cord are respectively connected to one end of the handle and the power plug, and the other end of the handle is provided with electrodes, so
  • the handle is provided with a circuit board, and the electrode is electrically connected to the circuit board, and is characterized in that: the power cord is a flat wire, and one end of the flat wire extends into the handle and is connected to the circuit board. By welding, the other end of the flat cable is electrically connected with the power plug.
  • the circuit board is provided with an electric cutting circuit and an electrocoagulation circuit
  • the electric cutting circuit is provided with an electric cutting contact
  • the electrocoagulation circuit is provided with an electrocoagulation contact
  • the outer surface of the handle is provided with a switch
  • the switch is used to control the conduction of the circuit board, and the switch includes an electric cutting button and an electrocoagulation button; after the electric cutting button is pressed, it is connected with the electric cutting contact to control the The electrocoagulation circuit is turned on; after the electrocoagulation button is pressed, it is connected with the electrocoagulation contact point to control the conduction of the electrocoagulation circuit.
  • the electrode is electrically connected to the circuit board through a wire.
  • one end of the flat cable extends from the rear end of the handle into the handle and is welded to the circuit board.
  • one end of the circuit board connected to the flat cable is provided with soldering points, and notches are provided between the soldering points.
  • a baffle adapted to the notch is provided on the handle.
  • middle section of the handle adopts a circular arc streamline transition.
  • circuit board is a PCB board.
  • the power plug is a three-wire plug
  • the flat cable is a three-core flat cable.
  • each core wire of the power cord is wrapped with an insulating layer.
  • the electric board adopts the groove design at the welding position to prevent the welding spot from being too large and short circuit
  • the handle is provided with a baffle adapted to the socket to separate the solder joints to prevent voltage breakdown and short circuit, which improves the safety of the product.
  • a baffle adapted to the socket to separate the solder joints to prevent voltage breakdown and short circuit, which improves the safety of the product.
  • the middle section of the pen body adopts circular arc streamline transition, which conforms to ergonomic design.
  • each core wire is wrapped with a layer of insulation, there are actually two layers of insulation between each core wire in the three-core cable. Compared with the round wire with three cores close together, Its withstand voltage and insulation are higher.
  • Figure 1 is a schematic diagram of the structure of the electrosurgical pen of the present invention.
  • Figure 2 is a structural schematic diagram of the open handle of the electrosurgical pen of the present invention.
  • FIG. 3 is a schematic diagram of the structure of the circuit board of the electrosurgical pen of the present invention.
  • FIG. 4 is a schematic diagram of the structure of the welding place of the circuit board of the electrosurgical pen of the present invention.
  • Fig. 5 is a schematic structural diagram of the flat cable of the electrosurgical pen of the present invention.
  • 1-power cord 2-handle; 3-electrocoagulation button; 4-electric cutting button; 5-electrode; 6-circuit board; 7-power plug; 8-slot; 9-baffle.
  • FIGS. 1 and 2 are schematic diagrams of the structure of the surgical electrosurgical pen of the present invention. As shown in FIGS. 1 and 2, it includes a handle 2 which can be held by a doctor for surgical operations and is used to support the electrode 5 and accommodate the circuit board 6. The electrode 5 is arranged at the front end of the handle 2 and is used to directly contact the wound for electrocutting or electrocoagulation.
  • the handle 2 is provided with a circuit board 6.
  • the circuit board is a PCB board
  • the outer surface of the handle is provided with a switch
  • the circuit board is provided with an electric cutting circuit and an electrocoagulation circuit.
  • the electric cutting circuit is provided with an electrocoagulation contact
  • the electrode 5 is electrically connected to the circuit board 6 through a wire
  • the switch includes an electrocoagulation button 4 and an electrocoagulation button 3.
  • the cutting button 4 is connected with the electric cutting contact to control the conduction of the electric cutting circuit, and the electrode realizes the electric cutting operation. When the electric cutting button 4 is released, the electric cutting button 4 is separated from the electric cutting contact, and the electric cutting The electric cutting operation can be ended when the circuit is disconnected.
  • circuit setting and control switch setting in the handle 2 may also be in other forms, and the embodiment of the present invention is not limited thereto.
  • the surgical electrosurgical pen also includes a power cord 1 and a power plug 7.
  • the electrosurgical pen is electrically connected to the electrosurgical host through the power plug 7, and the electrocoagulation signal and the electrosurgical signal provided by the electrosurgical host pass the power plug 7 and the power cord 1. Transfer to the circuit board 6.
  • the power cord 1 is a flat cable
  • the power plug 7 is a three-wire plug, which is respectively used to communicate with the live, neutral and ground wires.
  • the corresponding flat cable is a three-core flat cable.
  • each core wire is connected to the corresponding The one-core plug is electrically connected, the cable extends from the rear end of the handle into the inside of the handle, and the other end of the wire of each core is welded to the circuit board, and the electrical signal of the electric knife host can pass through the three-wire plug And the three-core cable is transmitted to the circuit board 6.
  • the flat cable can also extend into the handle from other parts of the handle, such as the middle of the handle, so that the flat cable can be connected to the circuit board.
  • the form of the plug and the number of cores of the cable can also be other forms, such as a 2-core plug and a 2-core flat cable or a multi-core plug and a multi-core flat cable.
  • FIGS 3 and 4 are schematic diagrams of the circuit board structure and schematic diagrams of the circuit board welding of the electrosurgical pen of the present invention.
  • the circuit board 6 is a PCB circuit board, in order to prevent excessive solder joints during welding A large short circuit is caused, and a notch 8 for separation is opened between the welding points.
  • the notch 8 allows a certain distance between the welding points, which has a good effect on preventing short circuits.
  • a baffle 9 is provided on the handle, and the baffle 9 is adapted to the notch 8. The baffle 9 is clamped into the notch 8 to separate the soldering points, so that the cable is being welded , Need to be placed correspondingly, the line welding error rate will be greatly reduced, the setting of the baffle 9 can prevent the voltage breakdown circuit.
  • FIG 5 is a schematic structural diagram of the flat cable of the electrosurgical pen of the present invention.
  • the above flat cable uses a three-core flat cable.
  • the traditional power cord mainly uses a three-core sheathed cable, which is different from the traditional three-core sheathed cable.
  • a restoring force generated by the cable itself will adjust the angle automatically, preventing the electric knife wire from being overwound and twisted during use. The user brings inconvenience.
  • the use of a three-core cable also reduces the stress generated by the circuit on the solder joints during use, making the solder joints easy to damage, causing the cable to fall off, causing damage to the electrosurgical pen, and improving the safety and quality of the electrosurgical pen. .
  • the three-core cable is arranged in a side-by-side structure, when the welding point position is corresponding during welding, as long as one of the two sides of the three-core cable corresponds correctly, each welding head of the three-core cable corresponds accurately, saving use
  • the three-core sheath wire needs one-to-one correspondence time when welding, and improves the welding accuracy.
  • the three-core cable When the three-core cable is used, it is arranged side by side, so an extra layer of insulation is provided between adjacent cables.
  • the insulation of the cable has double protection, so that the electric knife pen has better insulation.

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  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
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Abstract

一种手术电刀笔，包括手柄（2）、电源线（1）和电源插头（7），电源线（1）的两端分别连接手柄（2）的一端及电源插头（7），手柄（2）的另一端设置有电极（5），手柄（2）内设置有电路板（6），电极（5）与电路板（6）电连接，电源线（1）为排线，排线的一端伸入手柄（2）内部，并与电路板（6）焊接，排线的另一端与电源插头（7）电连接。如此设置能够提高电源线（1）与电路板（6）焊接的简便性、牢固度和可靠性、降低电刀笔导通不良率，提高焊线的生产效率。

Description

一种手术电刀笔 技术领域
本发明涉及医疗器械领域，并且更具体地，涉及一种手术电刀笔。
背景技术
医用电刀笔是一种比较常见的在手术中使用的医疗器械，电刀笔的主要作用在于组织电切割和电凝止血，通常包括手术手柄、手术电极、设置在手术手柄内部的与手术电极连接的电路板系统以及设置在笔身外表的控制电路板系统的两个指揿开关，其中一个按钮控制电刀笔的功能管进行切割操作，一个按钮用于控制电刀笔的功能管进行凝血操作。现有电刀笔电源线主要采用三芯护套线，技术缺陷有如下几点：1.每根线之前位置不固定，不容易实现大规模自动化焊线，人工焊接一致性不好控制，容易出现虚焊、焊接不牢固；2.每根芯线与芯线之间相互叠加，与电路板焊接时，容易出现焊接角度，形成应力点，导致断裂，在临床中出现不导通或者导通不良；3.芯线与芯线位置不固定，需要焊接工人去分辨焊接位置，增加了线焊错位置风险。
发明概述
技术问题
问题的解决方案
技术解决方案
本发明目的就是为了弥补现有技术存在的缺陷，提供一种手术电刀笔，提高电源线与电路板焊接的简便性、牢固度和可靠性、降低了电刀笔导通不良率，提高了焊线的生产效率。
本发明技术方案如下：一种手术电刀笔，包括手柄、电源线和电源插头，所述电源线的两端分别连接所述手柄的一端及电源插头，所述手柄的另一端设置有电极，所述手柄内设置有电路板，所述电极与所述电路板电连接，其特征在于：所述电源线为排线，所述排线的一端伸入所述手柄内部，并与所述电路板焊接，所述排线的另一端与所述电源插头电连接。
进一步，所述电路板上设有电切电路和电凝电路，所述电切电路设有电切触点，所述电凝电路设有电凝触点；所述手柄的外表面设置有开关，所述开关用于控制所述电路板的导通，所述开关包括电切按键和电凝按键；所述电切按键被按压后，其与所述电切触点连接，以控制所述电切电路导通；所述电凝按键被按压后，其与所述电凝触点连接，以控制所述电凝电路的导通。
进一步，所述电极通过导线与所述电路板电连接。
进一步，所述排线的一端从所述手柄的后端伸入所述手柄内部与所述电路板焊接。
进一步，所述电路板与排线连接的一端设有焊接点，各焊接点之间开设有槽口。
进一步，所述手柄上设置有与槽口相适配的挡板。
进一步，所述手柄的中段采用圆弧流线过渡。
进一步，所述电路板为PCB板。
进一步，所述电源插头为三线插头，所述排线为三芯的排线。
进一步，电源线各芯线外侧各包裹有绝缘层。
发明的有益效果
有益效果
本发明的有益效果在于：
1、采用排线电源线可以实现大规模自动化焊接，提供了生产效率；
2、排线的芯线与电路板焊接时，与电路板贴合焊接，没有应力角度，降低了导通不良的风险；
3、排线的芯线位置固定，减少了焊接错误的风险；
4、电板在焊接位置采用槽型设计，防止焊点过大短路；
5、在手柄上设置有与插口相适配的挡板，将各焊点隔开，防止电压击穿短路，提高了产品的使用安全性。可以使产品在满足要求的前提下，这个体积和外形更加紧凑、精细，握持感更加舒适，不易疲劳。
6、笔身中段采用圆弧流线过渡，符合人体工程学设计。
7、由于每股芯线外都包裹有一层绝缘皮，因此三芯排线中的每股芯线之间实 际上有两层绝缘皮，相比于三芯紧挨在一起的圆形线，其耐压绝缘性更高。
对附图的简要说明
附图说明
为了更清楚地说明本发明的技术方案，下面将本对发明描述中所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的手术电刀笔的结构示意图；
图2为本发明的手术电刀笔的手柄打开的结构示意图；
图3为本发明的手术电刀笔的电路板的结构示意图；
图4为本发明的手术电刀笔的电路板焊接处的结构示意图；
图5为本发明的手术电刀笔的排线的结构示意图。
其中，1-电源线；2-手柄；3-电凝按键；4-电切按键；5-电极；6-电路板；7-电源插头；8-槽口；9-挡板。
发明实施例
本发明的实施方式
下面将结合本发明中的附图，对本发明中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。
图1、2为本发明的手术电刀笔的结构示意图，如图1、2所示，包括手柄2，手柄2供医生握持进行手术操作，并且用于支撑电极5和容置电路板6。电极5设置在手柄2的前端，用于直接与伤口接触进行电切或电凝操作。
所述手柄2内设置有电路板6，优选地，电路板为PCB板，所述手柄的外表面设置有开关，所述电路板上设有电切电路和电凝电路，所述电切电路设有电切触点，所述电凝电路设有电凝触点，电极5通过导线与所述电路板6电连接，所述开关包括电切按键4和电凝按键3，按压所述电切按键4，其与所述电切触点连接以控制所述电切电路导通，电极从而实现电切割操作，松开电切按键4，电切按 键4与电切触点分离，电切电路断开即可结束电切割操作。按压所述电凝按键3，其与所述电凝触点连接以控制所述电凝电路的导通，电极从而可以进行电凝操作，松开电凝按键3，电凝按键3与电凝触点分离，电凝电路断开即可结束电凝操作。
应当理解的是，手柄2内的电路设置和控制开关的设置也可以为其他形式，本发明实施例不限于此。
其中，该手术电刀笔还包括电源线1和电源插头7，电刀笔通过电源插头7电连接到电刀主机上，电刀主机提供的电凝信号、电切信号通过电源插头7和电源线1传送给电路板6。所述电源线1为排线，电源插头7为三线插头，分别用于与火线、零线和接地线连通，相应的排线为三芯的排线，每一芯的导线的一端分别与相应的一芯插头电连接，所述排线从手柄的后端伸入所述手柄内部，并使每一芯的导线的另一端与所述电路板焊接，电刀主机的电信号能够经过三线插头和三芯的排线传送到电路板6。
应当理解的是，所述排线也可以从手柄的其他部位伸入所述手柄内，如手柄的中部，能够使排线与电路板连接即可。另外，插头的形式和与其配合的排线的芯数也可以为其他的形式，如采用2芯插头和2芯排线或多芯插头和多芯排线。
图3和图4为本发明的手术电刀笔的电路板的结构示意图和电路板焊接处示意图，如图3和图4所示，电路板6为PCB电路板，为了防止在焊接时焊点过大造成短路，在各焊点之间开设了用于分隔的槽口8，槽口8使各焊接点之间具有一定的间距，对于防止短路具有良好的效果。在手柄上设置有挡板9，所述挡板9与槽口8相适配，挡板9卡入槽口8中，起到各焊点之间的分隔作用，这样排线在进行焊接时，需要对应摆放，线路焊接出错率将会大大降低，挡板9的设置可防止电压击穿电路。
图5为本发明手术电刀笔的排线的结构示意图，如图5所示，上述排线选用三芯排线，传统的电源线主要采用三芯护套线，与传统的三芯护套线相比，三芯排线由于为扁平状结构，在使用时排线发生曲折和扭动时会产生一个由线本身产生的恢复力自行调整角度，防止在使用时电刀笔的电线过度缠绕扭曲为使用者带来不便。
采用三芯排线在使用时也减少了在使用过程中电路对于焊接点的应力的产生，使得焊接点容易损坏使得排线脱落，造成电刀笔的损坏，提高电刀笔使用的安全性和使用质量。
由于三芯排线为并排结构排列，因此在焊接时焊接点位置对应时，只要三芯排线的两边中的一个线路对应正确之后，三芯排线的各焊接线头均对应准确，节省了使用三芯套护线在焊接时需要一一对应的时间，并且提高了焊接的准确率。
使用三芯排线时由于并排排布，因此在相邻排线之间多设置一层绝缘层，排线的绝缘性具有双层保护，使得电刀笔具有更好的绝缘性。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到各种等效的修改或替换，这些修改或替换都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求的保护范围为准。

Claims (9)

  1. 一种手术电刀笔，包括手柄(2)、电源线(1)和电源插头(7)，所述电源线(1)的两端分别连接所述手柄(2)的一端及电源插头(7)，所述手柄(2)的另一端设置有电极(5)，所述手柄(2)内设置有电路板(6)，所述电极(5)与所述电路板(6)电连接，其特征在于：所述电源线(1)为排线，所述排线的一端伸入所述手柄(2)内部，并与所述电路板(6)焊接，所述排线的另一端与所述电源插头(7)电连接。
  2. 根据权利要求1所述的手术电刀笔，其特征在于，所述电路板(6)上设有电切电路和电凝电路，所述电切电路设有电切触点，所述电凝电路设有电凝触点；所述手柄(2)的外表面设置有开关，所述开关用于控制所述电路板(6)的导通，所述开关包括电切按键(4)和电凝按键(3)；所述电切按键(4)被按压后，其与所述电切触点连接，以控制所述电切电路导通；所述电凝按键(3)被按压后，其与所述电凝触点连接，以控制所述电凝电路的导通。
  3. 根据权利要求1所述的手术电刀笔，其特征在于，所述电极(5)通过导线与所述电路板(6)电连接。
  4. 根据权利要求1所述的手术电刀笔，其特征在于，所述电路板(6)与排线连接的一端设有焊接点，各焊接点之间开设有槽口(8)。
  5. 根据权利要求4所述的手术电刀笔，其特征在于，所述手柄(2)上设置有与槽口(8)相适配的挡板(9)。
  6. 根据权利要求1所述的手术电刀笔，其特征在于，所述手柄(2)的中段为圆弧流线过渡而成。
  7. 根据权利要求1所述的手术电刀笔，其特征在于，所述电路板(6)为PCB板。
  8. 根据权利要求1所述的手术电刀笔，其特征在于，所述电源插头( 7)为三线插头，所述排线为三芯的排线。
  9. 根据权利要求1所述的手术电刀笔，其特征在于，所述电源线(1)各芯线外侧包裹有绝缘层。
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