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CN104434260A - Safety type scaleplate guiding percutaneous liver and kidney calculus operation sheath - Google Patents

Safety type scaleplate guiding percutaneous liver and kidney calculus operation sheath Download PDF

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Publication number
CN104434260A
CN104434260A CN 201410844803 CN201410844803A CN104434260A CN 104434260 A CN104434260 A CN 104434260A CN 201410844803 CN201410844803 CN 201410844803 CN 201410844803 A CN201410844803 A CN 201410844803A CN 104434260 A CN104434260 A CN 104434260A
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Prior art keywords
scales
sheath
long
short
tube
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CN 201410844803
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Chinese (zh)
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王三贵
刘赴平
王海峰
蔡云峰
乔君
梁婉红
叶颖
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东莞市南城医院
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties
    • A61B2017/00853Material properties low friction, hydrophobic and corrosion-resistant fluorocarbon resin coating (ptf, ptfe, polytetrafluoroethylene)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties
    • A61B2017/00889Material properties antimicrobial, disinfectant
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22072Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other

Abstract

The invention relates to the technical field of medical auxiliary instruments, in particular to a safety type scaleplate guiding percutaneous liver and kidney calculus operation sheath. The operating sheath comprises a sheath tube with the hollow interior, the outer side wall of the sheath tube is provided with scales and scale values, the scales comprise the long scales and the short scales, four short scales are arranged between every two adjacent long scales, the distance between every two adjacent long scales is 0.5 cm, the distance between every two adjacent short scales is 0.1 cm, the scale values are arranged on one side of the long scales, and the scale values are arranged from the front end of the sheath tube at the interval of two long scales. The operating sheath is simple in structure, economical, practical and capable of keeping the intrahepatic bile duct and a pelvis operating channel open all the time, reducing the complication of mucosal injuries of the bile duct, shortening operation time and being shared by the liver and the kidney, and an operator can conveniently adjust the operative field.

Description

—种安全型标尺指引经皮肝肾取石操作鞘 - Safe Species scale guidelines percutaneous kidney stone operations sheath

技术领域 FIELD

[0001] 本发明涉及医疗辅助器械技术领域,具体涉及一种安全型标尺指引经皮肝肾取石操作鞘。 [0001] The present invention relates to a medical device, technical field, particularly, to a safe guidance scale percutaneous kidney stone operations sheath.

背景技术 Background technique

[0002] 肝内胆管结石及肾结石是普外科常见病多发病,处理极为棘手。 [0002] hepatolithiasis general surgery are common and frequently-occurring stones, the process extremely difficult. 既往多采用开腹腔肝段、肝叶切除术、肾盂切开取石体外碎石术,近年来随着对内镜手术的发展,逐渐发展经皮肝、肾碎石取石术,但穿刺过程中易出现肝脏组织及胆管、肾脏损伤等问题,从而影响该项技术的推广和发展。 Than a previous section, an open abdominal liver, liver resection, pelvis lithotomy extracorporeal lithotripsy, in recent years, with the development of endoscopic surgery, the progressive development of percutaneous liver, kidney lithotripsy, but the process is easy to puncture emergence of liver and bile duct problems, kidney damage, thus affecting the promotion and development of the technology.

发明内容 SUMMARY

[0003] 肝内胆管结石及肾结石是普外科常见病多发病,处理极为棘手。 [0003] hepatolithiasis general surgery are common and frequently-occurring stones, the process extremely difficult. 既往多采用开腹腔肝段、肝叶切除术、肾盂切开取石体外碎石术,近年来随着对内镜手术的发展,逐渐发展经皮肝、肾碎石取石术,但穿刺过程中易出现肝脏组织及胆管、肾脏损伤等问题,从而影响该项技术的推广和发展。 Than a previous section, an open abdominal liver, liver resection, pelvis lithotomy extracorporeal lithotripsy, in recent years, with the development of endoscopic surgery, the progressive development of percutaneous liver, kidney lithotripsy, but the process is easy to puncture emergence of liver and bile duct problems, kidney damage, thus affecting the promotion and development of the technology.

发明内容 SUMMARY

[0004] 为了克服现有技术中存在的缺点和不足,本发明的目的在于提供一种安全型标尺指引经皮肝肾取石操作鞘,该操作鞘结构简单,经济实用,始终保持肝内胆管、肾盂操作通道开放,减少胆管黏膜损伤的并发症,缩短手术时间,便于术者调整手术视野,可肝肾共用。 [0004] In order to overcome the prior art shortcomings and deficiencies, an object of the present invention is to provide a safe guidance scale percutaneous kidney stone operations sheath, the sheath structure is simple, economical, and always maintain intrahepatic bile duct, pelvis channel opening operation, reduce the complications of biliary mucosal damage, shorten the operation time, to facilitate the surgeon to adjust the operative field, liver and kidney can be shared.

[0005] 本发明的目的通过下述技术方案实现:一种安全型标尺指引经皮肝肾取石操作鞘,包括内部中空的鞘管,所述鞘管的外侧壁开设有刻度和刻度值,刻度包括长刻度和短刻度,相邻两个长刻度之间设置有四个短刻度,相邻两个长刻度之间的距离为0.5cm,相邻两个短刻度之间的距离为0.1cm,刻度值设置于长刻度的一侧,且从鞘管的前端起每隔两个长刻度设置一个刻度值。 [0005] The object of the present invention is achieved by the following technical scheme: a safe guidance type scale operation percutaneous kidney stone sheath, the sheath including a hollow interior, an outer side wall of the sheath defines scales and scale values, the scale including long and short graduation scale, four adjacent short graduation scale is provided between the two long, the distance between two adjacent length scale is 0.5cm, the distance between two adjacent short tick is 0.1cm, provided on one side of the long scale value scale, and from the distal end of the sheath is provided every two length scales a scale value.

[0006] 进一步的,所述鞘管为型号为14Fr、16Fr、18Fr或20Fr的鞘管。 [0006] Further, the sheath is a model 14Fr, 16Fr, 18Fr to 20Fr or sheath.

[0007] 进一步的,所述鞘管的长度为16_20cm,所述刻度的长度为14_16cm。 [0007] Further, the length of the sheath is 16_20cm, the scale length is 14_16cm.

[0008] 进一步的,所述鞘管的长度为18cm,所述刻度的长度为15cm。 [0008] Further, the length of the sheath is 18cm, the length scale of 15cm.

[0009] 进一步的,所述鞘管后端的两侧分别凸设有扶耳。 [0009] Further, the rear end of the sheath on both sides are provided with protruding lugs help.

[0010] 进一步的,所述扶耳呈方形。 [0010] Further, the ear help square.

[0011] 进一步的,所述鞘管的前端设置有环形倒角。 [0011] Further, the front end of the sheath is provided with an annular chamfer.

[0012] 进一步的,所述鞘管的壁厚为0.2-0.4mm。 [0012] Further, the wall thickness of the sheath is 0.2-0.4mm.

[0013] 进一步的,所述鞘管的外侧壁设置有厚度为50-100 μ m的聚四氟乙烯层。 [0013] Further, the outer side wall of said sheath is provided with a thickness of 50-100 μ m PTFE layer.

[0014] 进一步的,所述鞘管的外侧壁设置有厚度为5-25 μ m的抗菌层。 [0014] Further, the outer side wall of said sheath is provided with a 5-25 μ m thick antibacterial layer.

[0015] 本发明的有益效果在于:本发明的鞘管的外侧壁开设有刻度和刻度值,能按术前CT、术中超声定位预测的深度及对应的扩张套件深度精确推进鞘管的深度,避免过深或过浅;结构简单,经济实用,始终保持肝内胆管、肾盂操作通道开放,减少胆管黏膜损伤的并发症,缩短手术时间,便于术者调整手术视野,可肝肾共用。 [0015] Advantageous effects of the present invention is that: the outer side wall of the sheath tube of the present invention is defined scales and scale values ​​can be by the preoperative CT, intraoperative predicted ultrasound localization expansion kit a depth and a corresponding accurate propulsion depth of the sheath to avoid too deep or too shallow; structure is simple, economical, and always maintain intrahepatic bile duct, pelvis channel opening operation, reduce the complications of biliary mucosal damage, shorten the operation time, to facilitate the surgeon to adjust the operative field, liver and kidney can be shared.

[0016] 本发明的操作鞘具有如下优点:1、有刻度标识,能按术前CT、术中超声定位预测的深度及对应的扩张套件深度精确推进鞘管的深度,避免过深或过浅;2、建立操作通道;3、方便快速,节约手术时间;4、对泥沙样结石可直接由鞘口冲洗出来;5、便于冲洗镜头,保持手术视野清晰;6、方便固定及调整手术视野,为手术提供便利和操作空间;7、对肝肾的穿刺通道可以压迫止血;8、术毕,根据鞘管的深度可以精确放置引流管到预定位置;9、可利用器械同时完成肝、肾碎石取石术,减少耗材,便于管理。 [0016] Operation of the sheath of the present invention has the following advantages: 1, a graduated logo, can press the preoperative CT, intraoperative predicted ultrasound localization expansion kit a depth and a corresponding accurate propulsion depth of the sheath, to avoid too deep or too shallow ; 2, channel establishing operation; 3, easily and quickly, saving operation time; 4, sand-like stones can be washed out directly from the mouth of the sheath; 5, easy to wash the lens, to maintain a clear operative field; 6, and is fixed to facilitate the adjustment operation field to provide space for the surgical operation and facilitate; 7, liver and kidney channel may puncture hemostasis; 8, surgery, depending on the depth of the sheath can be accurately placed in a predetermined position to a drainage tube; 9, the device may be utilized while completing the liver, kidney lithotripsy, reducing supplies, easy to manage.

附图说明 BRIEF DESCRIPTION

[0017] 图1是本发明的结构示意图; [0017] FIG. 1 is a structural diagram of the present invention;

图2是本发明的局部放大示意图; FIG 2 is a partially enlarged view of the present invention;

附图标记为:1一鞘管、2—刻度、21—长刻度、22—短刻度、3—刻度值、4一扶耳。 Reference numeral: a sheath 1, 2 scale, length scale 21, 22 short scale, 3 scale values, a 4 help ear.

具体实施方式 detailed description

[0018] 为了便于本领域技术人员的理解,下面结合实施例及附图1-2对本发明作进一步的说明,实施方式提及的内容并非对本发明的限定。 [0018] In order to facilitate understanding of the skilled in the art, the following examples and the accompanying drawings in conjunction with embodiments 1-2 of the present invention will be further described, the contents mentioned embodiment is not limited to the embodiment of the present invention.

[0019] 见图1-2,一种安全型标尺指引经皮肝肾取石操作鞘,包括内部中空的鞘管1,所述鞘管I的外侧壁开设有刻度2和刻度值3,刻度2包括长刻度21和短刻度22,相邻两个长刻度21之间设置有四个短刻度22,相邻两个长刻度21之间的距离为0.5cm,相邻两个短刻度22之间的距离为0.1cm,刻度值3设置于长刻度21的一侧,且从鞘管I的前端起每隔两个长刻度21设置一个刻度值3。 [0019] Figure 1-2 A safe guidance scale percutaneous kidney stone operations sheath, the sheath including a hollow interior of the outer sheath I sidewall defines a graduated scale values ​​2 and 3, the scale 2 including between the long and short graduation scale 21 22, 21 disposed between two adjacent short length scale 22 has four scales, the distance 21 between two adjacent tick length of 0.5cm, two adjacent short graduation 22 the distance is 0.1cm, the value 3 is provided at one side of the scale length of the scale 21, scale 21 and two long intervals of a scale value is provided from the sheath 3 from the distal end of I.

[0020] 本发明的鞘管I的外侧壁开设有刻度2和刻度值3,能按术前CT、术中超声定位预测的深度及对应的扩张套件深度精确推进鞘管I的深度,避免过深或过浅;结构简单,经济实用,始终保持肝内胆管、肾盂操作通道开放,减少胆管黏膜损伤的并发症,缩短手术时间,便于术者调整手术视野,可肝肾共用。 [0020] The outer wall of the sheath tube I of the present invention defines the depth of a scale 2 and the scale values ​​3, to press the preoperative CT, intraoperative predicted ultrasound localization expansion kit a depth and a corresponding accurate propulsion sheath I, to avoid excessive deep or too shallow; structure is simple, economical, and always maintain intrahepatic bile duct, pelvis channel opening operation, reduce the complications of biliary mucosal damage, shorten the operation time, to facilitate the surgeon to adjust the operative field, liver and kidney can be shared.

[0021] 本实施例中,所述鞘管I为型号为14Fr、16Fr、18Fr*20Fr的鞘管I。 [0021] In this embodiment, the sheath I is a model 14Fr, 16Fr, 18Fr * 20Fr sheath I.

[0022] 本实施例中,所述鞘管I的长度为16-20cm,所述刻度2的长度为14-16cm。 [0022] In this embodiment, the sheath length I 16-20cm, the scale length is 2 14-16cm. 为使本发明达到最佳使用效果,所述鞘管I的长度为18cm,所述刻度2的长度为15cm。 In order to achieve the best results according to the present invention, the sheath length of 18cm I, 2 is the scale length 15cm.

[0023] 本实施例中,所述鞘管I后端的两侧分别凸设有扶耳4。 On both sides [0023] In this embodiment, the rear end of the sheath I are protruding lugs 4 provided help. 扶耳4的设置方便扶住鞘管I。 Ear provided help hold the sheath 4 easily I.

[0024] 本实施例中,所述扶耳4呈方形。 [0024] In this embodiment, the ear help 4 square. 方形的扶耳4的设置方便扶住。 Rotary provided convenient square ear 4 hold.

[0025] 本实施例中,所述鞘管I的前端设置有环形倒角。 [0025] In this embodiment, the front end of the sheath is provided with an annular chamfer I. 环形倒角的设置方便鞘管I的插入。 Provided an annular chamfer to facilitate insertion of the sheath tube I.

[0026] 本实施例中,所述鞘管I的壁厚为0.2-0.4mm。 [0026] In this embodiment, the wall thickness of the sheath I is 0.2-0.4mm. 为使本发明达到最佳使用效果,所述鞘管I的壁厚为0.3mm。 In order to achieve the best results according to the present invention, the sheath wall thickness I is 0.3mm.

[0027] 本实施例中,所述鞘管I的外侧壁设置有厚度为50-100 μ m的聚四氟乙烯层。 [0027] In this embodiment, the outer side wall of the sheath is provided with a thickness of I [mu] m polytetrafluoroethylene layer 50-100. 氮化钛薄膜层硬度高、耐磨性好、附着力好、抗腐蚀、具有良好的细胞相容性。 A titanium nitride thin film layer of high hardness, good wear resistance, good adhesion, corrosion resistance, has good cell compatibility.

[0028] 本实施例中,所述鞘管I的外侧壁设置有厚度为5-25 μ m的抗菌层。 [0028] In this embodiment, the outer sheath is provided with a side wall I thickness of 5-25 μ m antimicrobial layer. 抗菌层的设置使得鞘管I本体具有较好的抗菌作用,防止感染。 Antibacterial layer is provided such that the sheath body I has a good antibacterial effect, to prevent infection.

[0029] 本发明的操作鞘具有如下优点:1、有刻度2标识,能按术前CT、术中超声定位预测的深度及对应的扩张套件深度精确推进鞘管I的深度,避免过深或过浅;2、建立操作通道;3、方便快速,节约手术时间;4、对泥沙样结石可直接由鞘口冲洗出来;5、便于冲洗镜头,保持手术视野清晰;6、方便固定及调整手术视野,为手术提供便利和操作空间;7、对肝肾的穿刺通道可以压迫止血;8、术毕,根据鞘管I的深度可以精确放置引流管到预定位置;9、可利用器械同时完成肝、肾碎石取石术,减少耗材,便于管理。 [0029] Operation of the sheath of the present invention has the following advantages: 1, a scale 2 logo, can press the preoperative CT, intraoperative predicted ultrasound localization expansion kit a depth and a corresponding accurate propulsion depth sheath I, to avoid excessive or too shallow; 2, channel establishing operation; 3, easily and quickly, saving operation time; 4, sand-like stones can be washed out directly from the mouth of the sheath; 5, easy to wash the lens, to maintain a clear operative field; 6, easy fixing and adjustment operative field, and to facilitate the surgical operating space; 7, liver and kidney channel may puncture hemostasis; 8, surgery, according to the depth I of the sheath can be accurately placed in a predetermined position to a drainage tube; 9, the instrument can be performed simultaneously using liver, kidney lithotripsy, reducing supplies, easy to manage.

[0030] 上述实施例为本发明较佳的实现方案,除此之外,本发明还可以其它方式实现,在不脱离本发明构思的前提下任何显而易见的替换均在本发明的保护范围之内。 [0030] The preferred embodiment implementation of the present invention, in addition, the present invention may also be implemented in other ways, any apparent replacement are within the scope of the present invention without departing from the inventive concept .

Claims (10)

  1. 1.一种安全型标尺指引经皮肝肾取石操作鞘,包括内部中空的鞘管,其特征在于:所述鞘管的外侧壁开设有刻度和刻度值,刻度包括长刻度和短刻度,相邻两个长刻度之间设置有四个短刻度,相邻两个长刻度之间的距离为0.5cm,相邻两个短刻度之间的距离为0.1cm,刻度值设置于长刻度的一侧,且从鞘管的前端起每隔两个长刻度设置一个刻度值。 A safe guidance scale percutaneous kidney stone operations sheath, the sheath including a hollow interior, wherein: an outer side wall of the sheath defines scales and scale values, the scale includes a scale and a short length scales, with o between the two scales is provided with four short length scales, the distance between two adjacent length scale is 0.5cm, between two adjacent short distance of 0.1cm scale, a scale value provided to the long scale side, and two long intervals of scale from a set scale values ​​from the distal end of the sheath.
  2. 2.根据权利要求1所述的一种安全型标尺指引经皮肝肾取石操作鞘,其特征在于:所述鞘管为型号为14Fr、16Fr、18Fr或20Fr的鞘管。 2. According to a safe guidance scale percutaneous kidney stone operations sheath according to claim 1, wherein: the sheath is a model 14Fr, 16Fr, 18Fr to 20Fr or sheath.
  3. 3.根据权利要求1所述的一种安全型标尺指引经皮肝肾取石操作鞘,其特征在于:所述鞘管的长度为16-20cm,所述刻度的长度为14-16cm。 3. According to a safe guidance scale percutaneous kidney stone operations sheath according to claim 1, wherein: a length of 16-20cm of the sheath, the scale length is 14-16cm.
  4. 4.根据权利要求1所述的一种安全型标尺指引经皮肝肾取石操作鞘,其特征在于:所述鞘管的长度为18cm,所述刻度的长度为15cm。 The guidance of a safe type scale percutaneous kidney stone operations sheath according to claim 1, wherein: the length of the sheath is 18cm, the length scale of 15cm.
  5. 5.根据权利要求1所述的一种安全型标尺指引经皮肝肾取石操作鞘,其特征在于:所述鞘管后端的两侧分别凸设有扶耳。 5. According to a safe guidance scale percutaneous kidney stone operations sheath according to claim 1, wherein: the rear end of the sheath on both sides are provided with protruding lugs help.
  6. 6.根据权利要求5所述的一种安全型标尺指引经皮肝肾取石操作鞘,其特征在于:所述扶耳呈方形。 6. A scale according to one safe guidance percutaneous kidney stone operations sheath according to claim 5, wherein: said lug help square.
  7. 7.根据权利要求1所述的一种安全型标尺指引经皮肝肾取石操作鞘,其特征在于:所述鞘管的前端设置有环形倒角。 According to claim 1. A safe guidance scale percutaneous kidney stone operations sheath claim, wherein: the front end of the sheath is provided with an annular chamfer.
  8. 8.根据权利要求1所述的一种安全型标尺指引经皮肝肾取石操作鞘,其特征在于:所述鞘管的壁厚为0.2-0.4mm。 A safe according to claim 1, said guide ruler type percutaneous kidney stone operations sheath, characterized in that: the wall thickness of the sheath is 0.2-0.4mm.
  9. 9.根据权利要求1所述的一种安全型标尺指引经皮肝肾取石操作鞘,其特征在于:所述鞘管的外侧壁设置有厚度为50-100 μ m的聚四氟乙烯层。 A safe according to claim 1, said guide ruler type percutaneous kidney stone operations sheath, characterized in that: said outer wall is provided with a sheath having a thickness of 50-100 μ m PTFE layer.
  10. 10.根据权利要求1所述的一种安全型标尺指引经皮肝肾取石操作鞘,其特征在于:所述鞘管的外侧壁设置有厚度为5-25 μ m的抗菌层。 A safe guidance scale percutaneous kidney stone operations sheath according to claim 1, wherein: an outer side wall of the sheath is provided with a 5-25 μ m thick antibacterial layer.
CN 201410844803 2014-12-31 2014-12-31 Safety type scaleplate guiding percutaneous liver and kidney calculus operation sheath CN104434260A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040199048A1 (en) * 2001-10-12 2004-10-07 Clayman Ralph V High flow stone basket system
US20050216031A1 (en) * 1995-02-02 2005-09-29 Boston Scientific Scimed, Inc. Hybrid stone retrieval device
CN201020141Y (en) * 2007-04-28 2008-02-13 郭利斌 Guide conduit with needle sheath for clinical diagnosis and cure
CN201537305U (en) * 2009-04-17 2010-08-04 夏术阶;荆翌峰;赵炜 dilation appliance for percutaneous nephroscopeset operation
CN103007416A (en) * 2011-09-20 2013-04-03 武汉金至园科技有限公司 Percutaneous renal puncture expansion tube with changeable front end shape
CN202892053U (en) * 2012-11-29 2013-04-24 吉林大学 Minimally invasive abdominal puncture needle of ventricular peritoneal shunt
CN103340665A (en) * 2013-06-30 2013-10-09 姜相君 Stone extractor for digestive department
CN204394617U (en) * 2014-12-31 2015-06-17 东莞市南城医院 Safety scaleplate guided operation sheath for percutaneous liver and kidney stone removal

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050216031A1 (en) * 1995-02-02 2005-09-29 Boston Scientific Scimed, Inc. Hybrid stone retrieval device
US20040199048A1 (en) * 2001-10-12 2004-10-07 Clayman Ralph V High flow stone basket system
CN201020141Y (en) * 2007-04-28 2008-02-13 郭利斌 Guide conduit with needle sheath for clinical diagnosis and cure
CN201537305U (en) * 2009-04-17 2010-08-04 夏术阶;荆翌峰;赵炜 dilation appliance for percutaneous nephroscopeset operation
CN103007416A (en) * 2011-09-20 2013-04-03 武汉金至园科技有限公司 Percutaneous renal puncture expansion tube with changeable front end shape
CN202892053U (en) * 2012-11-29 2013-04-24 吉林大学 Minimally invasive abdominal puncture needle of ventricular peritoneal shunt
CN103340665A (en) * 2013-06-30 2013-10-09 姜相君 Stone extractor for digestive department
CN204394617U (en) * 2014-12-31 2015-06-17 东莞市南城医院 Safety scaleplate guided operation sheath for percutaneous liver and kidney stone removal

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