CN103445859B - A thermosetting clamping jaw for the cutting blade - Google Patents

A thermosetting clamping jaw for the cutting blade Download PDF

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CN103445859B
CN103445859B CN 201310415857 CN201310415857A CN103445859B CN 103445859 B CN103445859 B CN 103445859B CN 201310415857 CN201310415857 CN 201310415857 CN 201310415857 A CN201310415857 A CN 201310415857A CN 103445859 B CN103445859 B CN 103445859B
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pawl
provided
body
heating wire
wire
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CN 201310415857
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Chinese (zh)
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CN103445859A (en )
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段宇
叶兵
胡毅
汪进
余海东
苗长胜
谢鸿年
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安徽奥弗医疗设备科技股份有限公司
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Abstract

本发明涉及一种用于热凝切割刀的夹持爪,包括爪体(1),在爪体上设有电热丝(3),在爪体外面设有爪壳(4),其特征在于:在爪体后端的内侧面设有一个连接块(1b),在爪体后端的外侧面设有一个搭板(1a),在爪体(1)的夹持部配合连接隔离层(2),在隔离层内配合连接电热丝(3),在爪体、隔离层和电热丝配合组件的外面包裹爪壳(4),在爪壳还设有温度传感器,温度传感器与电热丝接触配合。 The present invention relates to a thermosetting clamping jaw blade for cutting, comprising a claw body (1), provided with a heating wire (3) on the pawl body, the pawl is provided with a shell (4) outside the pawl body, characterized in that : inner surface of the rear end of the pawl member is provided with a connecting piece (1b), an outer side surface of the pawl provided on the rear end of a strap (1a), the pawl body (1) is connected with the holding portion isolation layer (2) , in connection with the heating wire spacer layer (3), wrapping the pawl housing (4) outside the pawl body, and the spacer layer with the heating wire assembly, the pawl housing further provided with a temperature sensor, a temperature sensor in contact with the heating wire. 本发明的优点:本装置制造方便,在夹紧应了状态时热丝的应了均匀,工作时爪体的热量小,有利于对热丝工作温度进行实时的闭环控制,热丝的温度设置精准,使夹持爪受热均匀,杜绝了过热断丝的现象的发生。 The advantages: ease of manufacture of the present device, when the clamped state should be a uniform heat wire, small amount of heat during operation of the pawl body, to facilitate real-time operating temperature of the hot wire of the closed-loop control, the temperature of the hot wire set precision, the clamping jaws heated evenly, to eliminate the phenomenon of the occurrence of overheating of the broken wire.

Description

一种用于热凝切割刀的夹持爪 A thermosetting clamping jaw for the cutting blade

技术领域 FIELD

[0001] 本发明涉及医疗机械领域,特别涉及一种用于热凝切割刀的夹持爪。 [0001] The present invention relates to medical equipment, and more particularly relates to a method for the clamping jaw thermosetting cutting blade.

背景技术 Background technique

[0002] 微创手术,是利用腹腔镜、胸腔镜等现代医疗器械及相关设备进行的手术,具有创伤小、疼痛轻、恢复快的优越性。 [0002] Minimally invasive surgery is the use of laparoscopy, thoracoscopy modern medical devices and related equipment surgery with less trauma, pain, quick recovery superiority. 随着技术的发展进步,微创手术已深入到外科手术的各种领域。 As technology advances, minimally invasive surgery has penetrated into various fields of surgery.

[0003] 热凝切割刀是微创手术中热焊接技术系统的最重要器械之一,夹持爪是热凝切割刀的重要部件之一,现阶段所使用的夹持爪在工作时热丝因应力不均匀而形变,在长时间手术时热丝能量会大量向爪体的传导,使得爪体的温度较高,严重时会烫伤体内组织,且现阶段使用的夹持爪结构复杂,承载能力小,制作难度大。 [0003] The thermosetting cutter blade is one of the most important instruments in minimally invasive surgery system, thermal welding techniques, the clamping jaw is an important component of the thermosetting cutter blade, clamping jaws presently in use when working a hot wire uneven deformation due to stress, during long surgery will be a substantial heat energy to the conductive filament pawl body, the pawl body such that the higher temperature, and in severe burn tissue in the body, and clamping jaws complicated structure used at this stage, the carrier small capacity, big production difficult. 经过广泛检索,尚未发现较为理想的技术方案。 After an extensive search, we have not yet found the ideal technical solution.

发明内容 SUMMARY

[0004] 本发明的目的是为了解决现阶段热凝切割刀的夹持爪承载能力小,制作难度大,手术时爪体的温度高易烫伤体内组织等缺点,而提出的一种用于热凝切割刀的夹持爪。 [0004] The object of the present invention is to solve the small stage thermosetting cutter blade clamping jaws carrying capacity, production is difficult, when the operation temperature of the pawl body easy to burn high body tissues and other shortcomings, proposed a method for heat the clamping jaws of the cutting blade condensate.

[0005] 为了实现上述目的,本发明采用了如下技术方案: [0005] To achieve the above object, the present invention employs the following technical solutions:

[0006] —种用于热凝切割刀的夹持爪,包括爪体,在爪体上设有电热丝,在爪体外面设有爪壳,其特征在于:在爪体的后端的内侧面设有一个连接块,在连接块设有一个销孔,在爪体的后端的外侧面设有一个搭板,在爪体的夹持部分的内侧面配合连接隔离层,在隔离层的内侧面配合连接一根电热丝,在爪体、隔离层和电热丝配合组件的外面包裹爪壳,在爪壳的内侧面设有开口,在开口与电热丝对应配合。 [0006] - a kind of thermosetting cutter blade clamping jaw, comprising a pawl member, the heating wire is provided on the pawl member, the pawl is provided on the outside shell pawl body, characterized in that: the inner side surface of the rear end of the pawl body is provided with a connecting block, provided with a pin hole in the connecting block, with a slab side surface of the outer rear end of the pawl body, the pawl portion of the inner surface of the clamping member is connected with the isolation layer, the inner side surface of the spacer layer with an electric wire connector, the locking pawl, the spacer layer and the heating wire wrapped pawl mating outer housing assembly, is provided with an opening in the side surface of the pawl housing, with the opening corresponding to the heating wire.

[0007] 在上述技术方案的基础上,可以有以下进一步的技术方案: [0007] Based on the foregoing technical solution, the following can have a further technical solution:

[0008] 所述的爪体和隔离层前端设有相互配合的开槽,在开槽内配合连接温度传感器,温度传感器设置在爪壳内,温度传感器与电热丝接触配合,温度传感器通过导线与热凝切割刀的电控盒连接。 [0008] The locking pawl has a front end and a spacer layer cooperating slot, the mating connector in the slot temperature sensor, a temperature sensor is disposed in the pawl housing, a temperature sensor in contact with the heating wire, a temperature sensor by a wire and thermosetting cutter blade electrical control box connected.

[0009] 在所述的爪体的夹持部分的内侧面设有凹槽,在所述的隔离层的外侧面设有凸台,所述的凸台与凹槽对应配合,在隔离层的内侧面上设有一个让位槽,在让位槽内配合连接一根电热丝,隔离层与电热丝烧结在一起。 [0009] clamping portion is provided on the inner surface of the recess of the pawl body, the boss is provided on the outer surface of the spacer layer, the boss and a corresponding mating recess in the isolation layer the inner surface is provided with a slot make way, giving way in an electric wire connecting fitting groove, the isolation layer are sintered together with the heating wire.

[0010] 在所述的爪体的夹持部在凹槽的两侧形成了加强筋的结构,增强了夹持爪的刚性。 [0010] clamping portion of the pawl member on both sides of the groove formed rib structure, enhancing the rigidity of the clamping jaws. 所述的爪壳用塑料制成,电热丝的一部分从爪壳的开口中露出来,当两个夹持爪配合时,电热丝可以相互接触而导电,且爪壳起到了良好的绝缘作用。 Said pawl housing made of plastic, from the opening portion of the heating wire is exposed to the pawl housing, when the two clamping jaws fitted, the heating wire may be in contact with each other electrically conductive, and the claw shell played a good insulating effect.

[0011] 所述的相配合的两个爪体的后端都与热凝切割刀的支撑管和外管的前端配合连接,所述的支撑管的前侧套接一个外管,支撑管可在外管内滑动。 [0011] The support tube and the outer tube front end of the rear end of the body of the two jaws are fitted with cutter blade thermosetting mating connector, the front side of the socket of the tube an outer support tube, the support tube may be slides within the outer tube. 在支撑管的前端对称设置两个方形的搭口,在支撑管的前端还设有两个对称的长方形的滑槽,所述的两个滑槽的贯穿线与两个搭口的贯穿线相互垂直,在外管前端设有两个对称的固定孔,每个固定孔都与相应的滑槽对应配合。 The front end of the support tube provided with two symmetrical square take the mouth, the front end of the support tube is also provided with two symmetrically rectangular chute, said chute through two lines and two lines each take the mouth throughout vertical, distal outer tube is provided with two symmetrical fixing holes, each of the fixing hole corresponds with the respective chute.

[0012] 所述的两个爪体的连接块,一个为榫口结构、另一个为榫头结构,在两个连接块上还设有对应配合的销孔,两个爪体通过榫口和榫头相配合,两爪体配合后,它们的后侧设置在支撑管内,爪体的每个搭板分别与对应的搭口配合连接,配合销依次穿过固定孔、滑槽和销孔,将外管、支撑管和两个爪体连接在一起,所述的配合销两端均固定在外管的销空内。 [0012] The two connecting pawl body blocks, a rebate of the structure, the other structure is a tenon in the connector block further has two holes corresponding with the pins, two claw through tenon and the tenon cooperate, with the two claw body, a rear side thereof disposed within the support tube, each pawl body straps are connected to the corresponding mating take the mouth, with the pin passes through the fixing hole, the chute and the pin hole, the outer tube, the support tube, and two lugs together, the mating pin within the hollow pins at both ends fixed to the outer tube.

[0013] 所述的隔离层用导热系数较小的氧化锆等陶瓷材料或耐高温硬质塑胶材料,其作用是:使热丝在夹紧应了状态时的应力更均匀和减少热丝能量向爪体的传导。 [0013] The thermal conductivity of the spacer layer is smaller zirconia or refractory ceramic material such as hard plastic material, and its role is: heat the wire to be clamped in the stress state in a more uniform and reducing the thermal energy wire conduction to the pawl body.

[0014] 所述的温度传感器用热惯性极小的细丝或薄片状金属(或半导体)热电阻传感器,贴近热丝放置且与热丝电气绝缘。 [0014] The temperature sensor with small thermal inertia of filaments or thin sheet metal (or semiconductor) the thermistor sensor, disposed close to the hot wire and electrically insulated from the hot filament. 该温度传感器作为热丝温度的测量元件,对热丝工作温度进行实时测量,配合传感器调理电路,将热丝工作温度信号提供给热凝切割刀的电控盒,电控盒通过温度调节算法对热丝工作温度进行实时的闭环控制。 The temperature sensor as a measuring element of the thermal filament temperature of the hot wire operating temperature measurement in real time, with a sensor conditioning circuit, the hot filament operating temperature signal to the electrical box thermosetting cutting blade, electrical box adjustment algorithm temperature hot filament operating temperature in real time closed-loop control. 手术时,可以在液晶触控面板上对热丝进行精确的温度设置,彻底解决了由操作者凭经验控制时而产生的热丝温度过高对手术效果的影响,也杜绝了过热断丝的现象。 Surgery may be performed on the liquid crystal touch panel for setting the temperature of the hot wire precise, solve empirically by the operator to control the heat generated by filament temperature and sometimes too high impact on the results of operations, but also to prevent the overheating phenomenon of broken filaments .

[0015] 由于支撑管与外管可以相对滑动,当支撑管运动时,因两夹持爪通过配合销固定在外管上,利用搭扣和搭板的配合,支撑管带动两夹持爪绕配合销转动,从而实现夹持爪的张开和闭合,当夹持爪闭合时电路导通,可进行手术。 [0015] Since the support tube and the outer tube can slide relative to, when the support tube motion, because the two clamping jaws by a pin fixed to the outer tube fitting, snap fitting and use of straps, the support tube wound with drive two clamping jaws rotation pin, in order to achieve the clamping jaws open and closed, when the clamping jaws closed circuit is turned on, the operation may be performed.

[0016] 本发明的优点在于:本装置制造方便,在夹紧应了状态时热丝的应了均匀,工作时爪体的热量小,有利于对热丝工作温度进行实时的闭环控制,热丝的温度设置精准,使夹持爪受热均匀,杜绝了过热断丝的现象的发生。 [0016] The advantage of the present invention is: easy manufacturing of the present apparatus, when the status should be clamped uniformly heat the wire, a small amount of heat during operation of the pawl body, to facilitate real-time operating temperature of the hot wire of the closed-loop control, heat temperature setting precision wire, the clamping jaws heated evenly, to eliminate the phenomenon of the occurrence of overheating of the broken wire.

附图说明 BRIEF DESCRIPTION

[0017] 图1是本发明的基本结构示意图; [0017] FIG. 1 is a diagram showing the basic structure of the present invention;

[0018] 图2是图1的AA剖视图; [0018] FIG. 2 is a cross-sectional view AA of Figure 1;

[0019] 图3是夹持爪装配示意图。 [0019] FIG. 3 is a schematic view of the clamping jaw assembly.

具体实施方式 detailed description

[0020] 如图1和图2所示,本发明提供的一种用于热凝切割刀的夹持爪,包括爪体1,在爪体1上设有电热丝3,在爪体外面设有爪壳4,其特征在于: [0020] FIGS. 1 and 2, the present invention provides a method for thermosetting cutter blade clamping jaws 2, comprising a pawl body 1, the heating wire is provided on the pawl body 13, the pawl member is provided on the outside a claw housing 4, characterized in that:

[0021] a、在爪体1的后端的内侧面设有一个连接块lb,在连接块lb设有一个销孔lc,在爪体1的后端的外侧面设有一个方形的搭板la,在爪体1的夹持部分的内侧面设有凹槽ld,在凹槽Id内配合连接隔离层2,在隔离层2的一个侧面设有凸台2a、另一侧面设有让位槽2b,所述的凸台2a与凹槽Id对应配合,在让位槽2b内配合连接一根电热丝3,隔离层2与电热丝3烧结在一起,在爪体1、隔离层2和电热丝3配合组件的外面包裹一个塑料的爪壳4,在爪壳4的内侧面设有开口4a,开口4a与电热丝3对应配合。 [0021] a, the inner surface of the rear end of the pawl body 1 is provided with a connection block LB, a pin hole is provided in the connection block LB lc, a square slab with the outer surface of the rear end la of the body 1 of the pawl, ld is provided with a recess in the side surface of the clamping jaw portion of the body 1, the mating connector in the recess Id isolation layer 2, a side surface of the spacer layer 2 is provided with bosses 2a, 2b the other side is provided with grooves to make way said projections and recesses 2a Id corresponding to fit within the mating connector a groove 2b gives way the heating wire 3, the heating wire 2 and the isolating layer 3 sintered together, pawl body 1, the separation layer 2 and the heating wire 3 with the outer wrapping of a plastic jaw assembly housing 4, the inner surface of the pawl housing 4 has an opening 4a, 4a with the opening corresponds with the heating wire 3. 爪体1和隔离层2前端设有相互配合的开槽,在开槽内配合连接温度传感器5,温度传感器5设置在爪壳4内,温度传感器5与电热丝3接触配合,所述的电热丝3和温度传感器5通过导线与热凝切割刀的电控盒连接。 A pawl body 2 and the spacer layer cooperating with the front end slotted to fit within the pawl housing 4, the temperature sensor 3 is in contact with the heating wire 5 connected to a temperature sensor 5, the temperature sensor 5 is disposed in the slot fit, said electrothermal wire electrical box 3 and the temperature sensor 5 via a wire connection thermosetting cutter blade.

[0022] b、结合图3所示,所述的相配合的两个爪体1的后端都与热凝切割刀的支撑管6和外管7的前端配合连接,在所述的支撑管6的前侧套接一个外管7,支撑管6可在外管7内滑动。 [0022] b, in conjunction with FIG. 3, the rear end of the support tube of two cooperating jaws 1 are thermosetting and the cutting blade 6 and the front end of the outer tube fitting 7 is connected, in said support tube 6 is a front side of the socket 7 of the outer tube, the support tube 6 can slide within the outer tube 7. 在支撑管6的前端对称设置两个方形的搭口6a,在支撑管6的前端还设有两个对称的长方形的滑槽6b,所述的两个滑槽6b的贯穿线与两个搭口6a的贯穿线相互垂直,在外管7前端设有两个对称的固定孔7a,每个固定孔7a都与相应的滑槽6b对应配合。 In the front end of the support tube take the mouth 6 provided two symmetrically square 6a, the front end of the support tube 6 is also provided with two symmetrically rectangular chute 6b, 6b of the two chutes and two ride through line 6a thru port mutually perpendicular, the front end of the outer tube 7 is provided with two symmetrical fixing holes 7a, 7a of each fixing hole corresponds to mate with a corresponding chute 6b.

[0023] 所述的两个爪体1的连接块lb,一个为榫口结构、另一个为榫头结构,在两个连接块lb上还设有对应配合的销孔lc,两个爪体1通过榫口和榫头相配合,两爪体1配合后,它们的后侧设置在支撑管6内,爪体1的每个搭板la分别与对应的搭口6a配合连接,配合销8依次穿过固定孔7a、滑槽6b和销孔6a,将外管7、支撑管6和两个爪体1连接在一起,所述的配合销8两端均固定在外管7的销空内。 [0023] The two jaws 1 lb of the connecting block bodies, is a tenon structure and the other structure is a tenon, in two connection blocks lb lc corresponding to the pin hole is also provided with the two jaws 1 by cooperating tenon and the tenon, with the two claws 1, the rear side thereof disposed within the support tube 6, each pawl member 1 la straps are connected to the corresponding mating take the mouth 6a, 8 sequentially through the mating pin fixing through hole 7a, and the pin holes 6b chute 6a, the outer tube 7, the support tube 6 and the body 1 two jaws together, the mating pin 8 is fixed at both ends of the outer tube 7 of the empty pin.

Claims (2)

  1. 1.一种用于热凝切割刀的夹持爪,包括爪体(1),在爪体(1)上设有电热丝(3),在爪体外面设有爪壳(4),其特征在于:在爪体(1)的后端的内侧面设有一个连接块(lb),在连接块(lb)上设有一个销孔(lc),在爪体(1)的后端的外侧面设有一个搭板(la),在爪体(1)的夹持部分的内侧面配合连接隔离层(2),在隔离层(2)的内侧面配合连接一根电热丝(3),隔离层(2 )与电热丝(3 )烧结在一起,在爪体(1)、隔离层(2)和电热丝(3)配合组件的外面包裹爪壳(4),在爪壳(4)的内侧面设有开口(4a),开口(4a)与电热丝(3)对应配合; 相配合的两个爪体(1)的后端都与热凝切割刀的支撑管(6)和外管(7)的前端配合连接,在所述的支撑管(6)的前侧套接一个外管(7),支撑管(6)可在外管(7)内滑动,在支撑管(6)的前端对称设置两个方形的搭口(6a),在支撑管(6)的前端还设有两个对称的长方形的滑槽(6b),爪体(1) A thermosetting cutter blade clamping jaw comprising pawl body (1), the pawl member is provided on the heating wire (1) (3), a claw housing (4) outside the pawl body, which characterized in that: the rear end is provided with an outer side surface of the pawl body (1) is a connection block (lb), is provided with a pin hole (LC) in the connection block (lb), the inner surface of the rear end of the pawl body (1) provided with a strap (La), the inner surface of the clamping portion of the pawl body (1) is connected with the insulating layer (2), the inner side surface of the spacer layer (2) is connected with a heating wire (3), isolated from layer (2) and the heating wire (3) sintered together, the claw body (1), insulating layer (2) and the heating wire (3) with the outside of the component package pawl housing (4), a claw housing (4) the inner side is provided with an opening (4a), an opening (4a) and the heating wire (3) corresponding to the complex; two rear lugs (1) are cooperating with the thermosetting cutter blade support tube (6) and outer tube the front end (7) of the mating connector, the front side of the socket in the support tube (6) an outer tube (7), the support tube (6) of the outer tube (7) sliding in the support tube (6) a front end provided with two symmetrically square take the mouth (6a), the front end of the support tube (6) is further provided with two symmetrical oblong chute (6b), the pawl (1) 每个搭板(la )分别与对应的搭口(6a)配合连接; 所述的两个滑槽(6b)的贯穿线与两个搭口(6a)的贯穿线相互垂直,在外管(7)前端设有两个对称的固定孔(7a),每个固定孔(7a)都与相应的滑槽(6b)对应配合; 配合销(8 )依次穿过固定孔(7a)、滑槽(6b)和销孔(lc),将外管(7)、支撑管(6)和两个爪体(1)连接在一起。 Each strap (La) are respectively connected to the corresponding mating take the mouth (6a); said two chutes (6b) through the two lines take the mouth (6a) through a line perpendicular to each other, the outer tube (7 ) fixing a front end provided with two symmetrical holes (7a), each fixing hole (7a) corresponds to a respective chute (6b) complex; mating pin (8) passes through the fixing hole (7a), the chute ( 6b) and pin holes (LC), the outer tube (7), the support tube (6) and two lugs (1) are connected together.
  2. 2.根据权利要求1所述的一种用于热凝切割刀的夹持爪,其特征在于:所述的爪体(1)和隔离层(2 )前端设有相互配合的开槽,在开槽内配合连接温度传感器(5 ),温度传感器(5)设置在爪壳(4)内,温度传感器(5)与电热丝(3)接触配合,温度传感器(5)通过导线与热凝切割刀的电控盒连接。 The clamping jaw thermosetting cutter blade according to claim 1 for a, wherein: said pawl member (1) and the isolation layer (2) cooperating with the front end of the slot, in mating connecting temperature sensors (5) within the slot, a temperature sensor (5) disposed within jaw housing (4), a temperature sensor (5) and the heating wire (3) in contact with the temperature sensor (5) through a wire cutting thermosetting knife electrical box connector.
CN 201310415857 2013-09-13 2013-09-13 A thermosetting clamping jaw for the cutting blade CN103445859B (en)

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GB191408814A (en) * 1913-05-06 1914-07-30 Joseph Andrew Chapman Improvements in and relating to Electrically Heated Instruments.
CN1706350A (en) * 2004-06-08 2005-12-14 奥林巴斯株式会社 Heat generating element, medical therapeutic instrument implementing the same, and treatment apparatus
CN1901847A (en) * 2003-11-14 2007-01-24 司特让器械公司 Thermal cautery devices with improved heating profiles and method of testing thermal cautery devices
CN101505673A (en) * 2005-03-16 2009-08-12 斯塔龙仪器公司 Integrated metalized ceramic heating element for use in a tissue cutting and sealing device
CN201404288Y (en) * 2009-05-31 2010-02-17 河北众帮天成医疗器械科技有限公司 Electric heating measuring cutter
CN203493729U (en) * 2013-09-13 2014-03-26 安徽奥弗医疗设备科技有限公司 Gripping jaws used for thermal coagulation cutter

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US20030171747A1 (en) * 1999-01-25 2003-09-11 Olympus Optical Co., Ltd. Medical treatment instrument

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191408814A (en) * 1913-05-06 1914-07-30 Joseph Andrew Chapman Improvements in and relating to Electrically Heated Instruments.
CN1901847A (en) * 2003-11-14 2007-01-24 司特让器械公司 Thermal cautery devices with improved heating profiles and method of testing thermal cautery devices
CN1706350A (en) * 2004-06-08 2005-12-14 奥林巴斯株式会社 Heat generating element, medical therapeutic instrument implementing the same, and treatment apparatus
CN101505673A (en) * 2005-03-16 2009-08-12 斯塔龙仪器公司 Integrated metalized ceramic heating element for use in a tissue cutting and sealing device
CN201404288Y (en) * 2009-05-31 2010-02-17 河北众帮天成医疗器械科技有限公司 Electric heating measuring cutter
CN203493729U (en) * 2013-09-13 2014-03-26 安徽奥弗医疗设备科技有限公司 Gripping jaws used for thermal coagulation cutter

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