WO2019019024A1 - 一种双平面超声引导的前列腺活检及粒子植入系统 - Google Patents

一种双平面超声引导的前列腺活检及粒子植入系统 Download PDF

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WO2019019024A1
WO2019019024A1 PCT/CN2017/094343 CN2017094343W WO2019019024A1 WO 2019019024 A1 WO2019019024 A1 WO 2019019024A1 CN 2017094343 W CN2017094343 W CN 2017094343W WO 2019019024 A1 WO2019019024 A1 WO 2019019024A1
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positioning module
module
probe
vertical
depth
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PCT/CN2017/094343
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English (en)
French (fr)
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许勇
高晓彬
陈永辉
李全庆
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三爱医疗科技（深圳）有限公司
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Priority to PCT/CN2017/094343 priority Critical patent/WO2019019024A1/zh
Publication of WO2019019024A1 publication Critical patent/WO2019019024A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves

Definitions

  • the present invention relates to medical devices, and in particular to a biplane ultrasound guided prostate biopsy and particle implantation system.
  • Prostate biopsy is usually recommended when patients have prostate cancer. It is a surgical procedure in which a small portion of the tissue is removed from the prostate as a sample, examined by a pathologist or professional doctor under the microscope through cell, tissue and organ studies. The procedure takes approximately 15 minutes, usually at the urologist's office, and is used with transrectal ultrasound (TRUS), usually without the need for an anesthetic. With the help of TRUS, the doctor directs the biopsy gun, a hand-held spring-loaded needle device, that takes a sample through the rectal wall into the area of the abnormal prostate.
  • TRUS transrectal ultrasound
  • the rectal wall is so thin that it allows for more accurate positioning of the probe and less damage to other tissues.
  • the probe When activated, within a fraction of a second, the probe can carry away an elongated cylindrical tissue (about 1/2 "1/16"), called the core.
  • the biopsy needle is tiny - only 1.2 mm in diameter and less than 1/2" in length - and very precise.
  • the slidable protective sleeve opens when the probe enters the prostate, closes when a tissue sample is taken and the needle is withdrawn.
  • perineal biopsy is considered to have a higher chance of getting cancer tissue compared with conventional rectal biopsy.
  • perineal biopsy is considered "cleaner". Because its puncture point is on the skin, not in the rectum.
  • the existing probe can only achieve single-plane ultrasonic scanning, and the needle can not be accurately inserted into the designated position for living sampling or particle implantation; at the same time, the probe module and the puncture needle are operated separately, and the puncture needle cannot be returned according to the image returned by the probe. Operation, it is easy to cause urinary tract bleeding, and can not guarantee the accuracy of puncture.
  • the present invention aims to provide a high-precision, easy-to-operate biplane ultrasound guided prostate biopsy and particle implantation system.
  • a biplane ultrasound guided prostate biopsy and particle implantation system comprising a probe, a front and rear moving module, a vertical positioning module, an angular positioning module and a depth positioning module, the angular positioning The module is mounted on the front and rear moving module, the rear end of the probe is mounted with an angular positioning module, the front end of the probe is mounted with a depth positioning module and a vertical positioning module, and the vertical positioning module is fixed on the depth positioning module, the vertical The positioning module is provided with a puncture hole, and the puncture hole is provided with a puncture needle;
  • the front end of the probe is provided with a sagittal scanning module and a cross-sectional scanning module.
  • the vertical positioning module is provided with a vertical fine adjustment knob.
  • the depth positioning module is provided with a depth fine adjustment knob.
  • the angle positioning module is provided with an angle fine adjustment knob.
  • the utility model has the advantages of the vertical positioning module, the deep positioning module and the angle positioning module, which can provide an accurate positioning function for the puncture operation, greatly facilitate the operation of the doctor, and can monitor the puncture path in real time, and the probe is provided with a sagittal plane.
  • Scanning module and cross-section scanning module can assist multi-point accurate sampling, reduce the probability of repeated sampling, improve the coverage of sampling, and further improve the accuracy of detection; when used for ion implantation, it can meet the precision requirements of particle implantation. It greatly improves the precision of implantation and enables precise particle implantation chemotherapy.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is a schematic view of the structure of the probe.
  • the specific embodiment of the present invention is a biplane ultrasound guided prostate biopsy and particle implantation system, including a probe 1, a front and rear moving module 2, a vertical positioning module 3, and an angle positioning module 4 And a depth positioning module 5, the angle positioning module 4 is mounted on the front and rear moving module 2, the rear end of the probe 1 is mounted with an angular positioning module 4, and the front end of the probe 1 is mounted with a depth positioning module 5 and a vertical positioning module 3, the vertical positioning module 3 is fixed on the depth positioning module 5, the vertical positioning module 5 is provided with a puncture hole 6, the puncture hole 6 is provided with a puncture needle 7;
  • the puncture needle is used to perform the puncture sampling through the puncture hole. Because the needle sampled by the puncturing device is very long, In order to avoid needle damage, the probability of needle damage can be reduced, and the sampling operation can be performed more accurately, so the puncture hole should have sufficient length. At the same time, the puncture needle and the probe move at the same angle. When the puncture needle needs vertical movement, the vertical positioning module disposed above the probe is used for vertical movement, which can ensure that the axis of the puncture needle is always parallel with the axis of the probe, which makes the operation more convenient and the positioning accuracy is also Can guarantee.
  • the front end of the probe 1 is provided with a sagittal scanning module 8 and a cross-sectional scanning module 9.
  • the sagittal scanning module is used to determine the depth of penetration.
  • the cross-sectional scanning module is used to determine the vertical position and angle of the puncture.
  • the formed ultrasound image can be fused by the MRI image before surgery to target the needle.
  • the vertical positioning module 3 is provided with a vertical fine adjustment knob 10. Fine adjustment of the vertical position is facilitated by the vertical fine adjustment knob, allowing the puncturing device to sample at the selected vertical position.
  • the depth positioning module 5 is provided with a depth fine adjustment knob 11. Fine adjustment of the front and rear positions is facilitated by the depth fine adjustment knob, allowing the puncturing device to sample at selected front and rear positions.
  • the angle positioning module 4 is provided with an angle fine adjustment knob 12. Fine adjustment of the angular position is facilitated by the angle adjustment knob, allowing the trocar to be properly sampled at the selected longitudinal angle.
  • the vertical positioning module, the deep positioning module and the angle positioning module combination structure can provide precise positioning for the puncture operation, greatly facilitate the doctor's operation, and can monitor the puncture path in real time.
  • the probe is provided with a sagittal scanning module and a cross-sectional scan. Module, It can assist in multi-point accurate sampling, reduce the probability of repeated sampling, improve the coverage of sampling, and further improve the accuracy of detection. When used for ion implantation, it can meet the precision requirements of particle implantation and greatly improve the implantation. Accuracy enables precise particle implant chemotherapy.

Abstract

一种双平面超声引导的前列腺活检及粒子植入系统，包括探头(1)、前后移动模块(2)、垂直定位模块(3)、角度定位模块(4)和深度定位模块(5)，探头(1)的后端安装有角度定位模块(4)，角度定位模块(4)安装在前后移动模块(2)上，探头(1)的前端安装有深度定位模块(5)和垂直定位模块(3)，垂直定位模块(3)固定在深度定位模块(5)上，垂直定位模块(3)上设有穿刺孔(6)，穿刺孔(6)上活动设有穿刺针(7)；探头(1)前端设有矢状面扫描模块(8)和横断面扫描模块(9)。该系统能够为穿刺操作提供精确的定位作用，方便医生进行操作，能辅助进行多点精确取样，减少重复取样的概率，提高取样的覆盖率，提高检测的精度。

Description

一种双平面超声引导的前列腺活检及粒子植入系统 技术领域
本发明涉及医疗装置，具体涉及一种双平面超声引导的前列腺活检及粒子植入系统。
背景技术
当患者有前列腺癌之嫌，通常建议进行前列腺穿刺活检。它是从前列腺取出组织的一小部分作为样品，由病理学家或专业医生在显微镜下通过细胞，组织和器官的研究进行检查的外科手术过程。该过程大约需要15分钟，通常是在泌尿科医生的办公室进行，与经直肠的超声(TRUS)一起使用，通常不需要进行麻醉剂。在TRUS的帮助下，医生指导活检枪——手持式弹簧加载的针装置，穿过直肠壁进入不正常的前列腺的区域取样。
直肠壁很薄，因此能够更准确地定位探针并且对其它组织造成较小的损失。当被激活时，在几分之一秒内，探针可带走一个细长的圆柱体组织(约1/2“1/16”)，叫做芯。活检针是微小的-只有1.2毫米的直径和小于1/2“的长度-并且非常精确。可滑动保护套在探针进入前列腺时打开，得到组织样品并抽出针头时关闭。
预期穿刺活检一些轻微的出血是正常，因为针头已进入小静脉区。尿液，精液和排便出血可能间歇性地出现了数天，也可能几个星期。针活检的两个主要风险是严重的前列腺或尿路出血和感染。这些风险是非常罕见的，在小于1％患者身上发生。
经直肠短缺情况，因为大多数的癌症发生在前列腺的顶部区域，会阴活检与常规的经直肠活检比较被认为有较高的机会得到的癌组织，此外，会阴活检被认为是“更清洁”的，因为它的穿刺点是在皮肤上，而不是在直肠。现有的探头只能实现单平面的超声扫描，无法准确将针头插入指定位置进行活体取样或者粒子植入；同时探头模块和穿刺针之间是分开操作，穿刺针无法根据探头回传的图像实时操作，容易导致尿路出血，也无法保障穿刺的精度。
发明内容
针对上述问题，本发明旨在提供一种高精度、易操作的双平面超声引导的前列腺活检及粒子植入系统。
为实现该技术目的，本发明的方案是：一种双平面超声引导的前列腺活检及粒子植入系统，包括探头、前后移动模块、垂直定位模块、角度定位模块和深度定位模块，所述角度定位模块安装在前后移动模块上，所述探头的后端安装有角度定位模块，所述探头的前端安装有深度定位模块和垂直定位模块，所述垂直定位模块固定在深度定位模块上，所述垂直定位模块上设有穿刺孔，所述穿刺孔上活动设有穿刺针；
所述探头前端设有矢状面扫描模块和横断面扫描模块。
作为优选，所述垂直定位模块上设置有垂直微调旋钮。
作为优选，所述深度定位模块上设置有深度微调旋钮。
作为优选，所述角度定位模块上设置有角度微调旋钮。
本发明的有益效果，采用垂直定位模块、深度定位模块、角度定位模块组合结构，能够为穿刺操作提供精确的定位作用，大大方便医生进行操作，同时能够实时监测穿刺路径，探头设有矢状面扫描模块和横断面扫描模块，能辅助进行多点精确取样，减少重复取样的概率，提高取样的覆盖率，进一步提高检测的精度；当用于离子植入时，能够满足粒子植入的精度需求，极大提高了植入的精度，能够实现精准粒子植入化疗。
附图说明
图1为本发明的结构示意图；
图2为探头的结构示意图。
具体实施方式
下面结合附图和具体实施例对本发明做进一步详细说明。
如图1-2所示，本发明所述的具体实施例为一种双平面超声引导的前列腺活检及粒子植入系统，包括探头1、前后移动模块2、垂直定位模块3、角度定位模块4和深度定位模块5，所述角度定位模块4安装在前后移动模块2上，所述探头1的后端安装有角度定位模块4，所述探头1的前端安装有深度定位模块5和垂直定位模块3，所述垂直定位模块3固定在深度定位模块5上，所述垂直定位模块5上设有穿刺孔6，所述穿刺孔6上活动设有穿刺针7；
利用垂直定位模块、角度定位模块和深度定位模块完成定位后，利用穿刺针透过穿刺孔进行穿刺取样。由于穿刺器取样的针头很长， 为了避免针头损坏，能降低针头损坏概率，同时能够较为准直的进行取样操作，所以穿刺孔要有足够的长度。同时穿刺针与探头同角度运动，当穿刺针需要垂直运动利用探头上方设置的垂直定位模块进行垂直运动，可以保证穿刺针的轴线始终与探头的轴线平行，使得操作更加方便，同时定位的精度也能够保证。
如图2所示，所述探头1前端设有矢状面扫描模块8和横断面扫描模块9。矢状面扫描模块用来决定穿刺深度，横断面扫描模块用来确定穿刺垂直位置和角度，形成的超声图像可以手术前的MRI图像进行融合进行靶向扎针。
为了方便进行垂直位置的精确调节，所述垂直定位模块3上设置有垂直微调旋钮10。通过垂直微调旋钮可以很方便的进行垂直位置的微调，使穿刺器能够在选定的垂直位置进行取样。
为了方便进行深度位置的精确调节，所述深度定位模块5上设置有深度微调旋钮11。通过深度微调旋钮可以很方便的进行前后位置的微调，使穿刺器能够在选定的前后位置进行取样。
为了方便进行角度位置的精确调节，所述角度定位模块4上设置有角度微调旋钮12。通过角度微调旋钮可以很方便的进行角度位置的微调，使穿刺器能够在选定的纵向角度进行合适的取样。
采用垂直定位模块、深度定位模块、角度定位模块组合结构，能够为穿刺操作提供精确的定位作用，大大方便医生进行操作，同时能够实时监测穿刺路径，探头设有矢状面扫描模块和横断面扫描模块， 能辅助进行多点精确取样，减少重复取样的概率，提高取样的覆盖率，进一步提高检测的精度；当用于离子植入时，能够满足粒子植入的精度需求，极大提高了植入的精度，能够实现精准粒子植入化疗。
以上所述，仅为本发明的较佳实施例，并不用以限制本发明，凡是依据本发明的技术实质对以上实施例所作的任何细微修改、等同替换和改进，均应包含在本发明技术方案的保护范围之内。

Claims (4)

  1. 一种双平面超声引导的前列腺活检及粒子植入系统，其特征在于：包括探头、前后移动模块、垂直定位模块、角度定位模块和深度定位模块，所述角度定位模块安装在前后移动模块上，所述探头的后端安装有角度定位模块，所述探头的前端安装有深度定位模块和垂直定位模块，所述垂直定位模块固定在深度定位模块上，所述垂直定位模块上设有穿刺孔，所述穿刺孔上活动设有穿刺针；
    所述探头前端设有矢状面扫描模块和横断面扫描模块。
  2. 根据权利要求1所述的双平面超声引导的前列腺活检及粒子植入系统，其特征在于：所述垂直定位模块上设置有垂直微调旋钮。
  3. 根据权利要求1所述的双平面超声引导的前列腺活检及粒子植入系统，其特征在于：所述深度定位模块上设置有深度微调旋钮。
  4. 根据权利要求1所述的双平面超声引导的前列腺活检及粒子植入系统，其特征在于：所述角度定位模块上设置有角度微调旋钮。
PCT/CN2017/094343 2017-07-25 2017-07-25 一种双平面超声引导的前列腺活检及粒子植入系统 WO2019019024A1 (zh)

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