吸尘器式德国电动开颅锯——集成同步吸尘系统·500W强劲动力·6500-24000转/分钟可调转速·三种专业锯片适配·法医解剖用高效清洁骨组织切割专业系统（法医病理检验/刑事技术骨骼取样/司法鉴定实验室核心装备）

 

吸尘器式德国电动开颅锯——集成同步吸尘系统·500W强劲动力·6500-24000转/分钟可调转速·三种专业锯片适配·法医解剖用高效清洁骨组织切割专业系统（法医病理检验/刑事技术骨骼取样/司法鉴定实验室核心装备）

〖重要合规前置声明〗 本产品为法医病理检验专用特种装备，仅面向具备法定尸体检验资质与司法鉴定资格的各级公安机关法医部门、人民检察院技术部门、人民法院司法技术辅助部门、司法鉴定机构、医学院校法医学系及授权刑事技术实验室定向供应，严禁向任何个人、无资质企业及非授权单位销售或提供。本设备的购置、使用与管理，必须严格遵守《中华人民共和国刑事诉讼法》《尸体解剖管理规定》《法医病理学尸体检验规范》及国家关于实验室生物安全、职业健康防护的相关法律法规与行业技术标准，必须由具备法医学专业资质或经法定授权的法医病理学检验人员规范操作，严禁无资质单位和个人违规获取、使用本设备，严禁在非法定尸体检验活动中使用本设备，严禁在无适当个人防护装备的条件下操作本设备，严禁因违规操作导致骨屑飞溅造成生物污染或职业暴露风险。

产品概述

吸尘器式德国电动开颅锯——集成同步吸尘系统·500W强劲动力·6500-24000转/分钟可调转速·三种专业锯片适配·法医解剖用高效清洁骨组织切割专业系统（亦称吸尘器式德国电动开颅锯、集成吸尘式电动开颅锯）是一款专为法医病理尸体检验及法医骨组织取样设计的高标准专业电动骨切割装备，属于公安法医、司法鉴定病理检验及刑事技术骨骼创伤检验领域的核心精密解剖工具。该产品在性能可靠的德国交流电动开颅锯技术平台上，创新性地集成专用吸尘系统，在锯切骨骼的同时即时吸附并收集产生的骨屑与生物组织碎屑，专为法医病理学工作者在尸体检验中需要高效、精准、清洁地切开颅骨及其他骨骼组织的工作场景深度定制，完美适配法医解剖室常规开颅检验、刑事侦查中颅脑损伤及骨骼创伤案件的精准取样、司法鉴定机构的病理学实验研究以及遗体整容修复等专业操作环境。系统搭载500W强劲动力电机，提供6500至24000转/分钟宽范围无级可调转速，标配Φ65mm圆形、Φ50mm圆形及Φ65mm扇形三种专业锯片，可灵活应对从大面积颅骨常规切开到特殊部位精细切割的全方位需求。其一体化集成设计将电锯与吸尘器整合为一个便携整体，配合专用铝合金运输箱，便于在实验室固定工位与不同现场环境下快速部署使用，从根本上解决了传统开颅锯操作中骨屑与生物气溶胶飞溅扩散导致的解剖环境污染、交叉感染风险增高、操作者职业暴露危险以及骨屑难以有效收集用于后续检验等长期困扰法医解剖工作的实战痛点，能够为法医病理学检验人员提供“锯切与吸尘同步、动力强劲切割精准、碎屑即时收集、解剖区域全程洁净”的高标准骨组织切割能力，是提升法医解剖工作效率、保障操作者职业安全与维护解剖环境卫生标准的关键法医检验装备。

技术原理

该设备基于往复锯切与负压吸附协同工作的复合机电原理。在动力与切割层面，主机内置一台额定功率500W的交流串激电动机，接通交流230V、60Hz电源后，电机转子以可调转速旋转，通过传动机构将旋转运动转化为锯片前端的高频往复摆动。操作者可通过机身控制开关在6500至24000转/分钟的宽幅范围内无级调节转速，低转速适用于精细切割或骨质较薄部位的操作，高转速则满足厚密颅骨快速切开的大功率需求。标配的三种专业锯片分别优化了不同的切割工况：Φ65mm圆形锯片适用于大面积颅骨常规开窗；Φ50mm圆形锯片尺寸更小巧，便于在曲率半径较小的区域或儿童颅骨上进行精细切割；Φ65mm扇形锯片的特殊几何形态则为特殊角度的骨面切入与复杂弧线切割提供了灵活的工具选项。

在清洁与收集层面，设备创新性地将专用吸尘系统与电锯主机进行一体化集成。吸尘器进气口紧邻锯片工作区域，在锯切过程中同步产生持续负压气流，将锯片高速切削骨骼时产生的骨屑微粒、骨粉及生物组织碎屑即时吸入收集仓内。该同步收集机制在骨屑尚未大范围飞溅扩散至解剖台面、操作者衣物及周围空气之前即完成捕获，从源头上大幅减少了生物气溶胶的扩散与交叉污染风险，同时将骨屑完整集中收集于专用仓体内，便于后续根据需要提取骨屑样本进行毒物化学分析、微量元素检测或作为解剖记录的技术物证附样保存。整套系统的电锯主机与吸尘器在结构上紧凑集成，设备总长度325mm，配合专用铝合金防护运输箱，使系统在实验室固定工位与外出流动解剖任务之间可便捷转运，满足法医解剖工作对设备机动性与工作环境整洁度的双重高标准要求。

核心功能与合规实战价值

集成同步吸尘系统，实现骨组织切割过程中的即时清洁与生物安全防护闭环
设备将专用吸尘系统与开颅锯本体进行一体化集成设计，吸尘进气口紧邻锯片切削区域，在锯切骨骼的瞬间即产生持续负压气流，将高速切削所产生的骨屑微粒、骨粉及生物组织碎屑即时吸入收集仓内，在骨屑尚未飞溅扩散至操作者面部、衣物及解剖台外围环境之前即完成捕获与集中收集。该同步吸尘机制从根本上改变了传统开颅锯操作后需耗费大量时间进行台面清洁、地面冲洗及个人防护装备洗消的被动工作模式，显著降低了操作者吸入含病原体骨屑气溶胶的职业暴露风险，有效遏制了不同尸体检验之间因骨屑飞溅携带生物物质而导致的潜在交叉污染隐患。清洁的解剖区域同时为法医对颅骨锯切面形态的直观检验、颅内损伤情况的精确观察以及解剖过程的规范拍照记录提供了无碎屑遮挡的清晰视野，完全契合《法医病理学尸体检验规范》关于解剖操作须保持检验区域清洁及操作者须采取职业防护措施的技术要求。

500W德国强劲动力与宽范围可调转速，满足从精细切割到大功率开颅的全工况需求
主机搭载额定功率500W的德国交流电动马达，动力储备充足，即使在长时间连续解剖作业或面对骨质异常致密的特殊检材时也能保持稳定强劲的输出性能。转速覆盖6500至24000转/分钟的可调范围，操作者可根据颅骨厚度、骨质密度及切割部位的精细程度灵活选择适配转速——低转速模式适用于颞骨、筛骨等薄壁结构的精细操作，确保切割边缘整齐、减少不必要的骨质碎裂；高转速模式则满足颅顶大面积常规开窗及枕骨粗隆等厚密骨质区域的高效切开需求。该宽范围动力调节能力使单台设备即可胜任从新生儿到成人、从常规颅骨到其他骨骼的多种法医解剖切割任务，其稳定的工作性能与持久的连续运转寿命完全符合法医病理实验室对关键解剖设备的高强度、高可靠性使用要求。

三款专业锯片组合配置，覆盖常规开颅与特殊部位精细切割的全方位操作需求
设备标配Φ65mm圆形锯片、Φ50mm圆形锯片及Φ65mm扇形锯片三种规格与形态各异的专业锯片。Φ65mm圆形锯片作为主力工作片，适用于成人颅骨标准解剖开窗；Φ50mm小直径圆形锯片专为曲率半径较小的颅骨区域、儿童颅骨切开以及颞骨、颌骨等局部的精细切割而优化；Φ65mm扇形锯片的特殊几何外形则为特定角度切入、沿弧线延伸切割以及骨骼特殊部位入路提供了多样化的工具选择。三种锯片的组合配置使法医在面对不同年龄、不同体格、不同损伤类型的尸体时，均能选用最适配的切割工具完成高标准骨组织切开，避免因工具不适用导致的重复切割、切面粗糙或骨组织意外损伤，为后续颅内病变观察、损伤形态拍照及组织病理检材取样提供平整、规范的解剖暴露面。

一体化便携设计与专用运输箱，支撑实验室固定工位与外出流动解剖任务的高效衔接
设备采用吸尘器与电锯主机一体化集成结构，无需分体组装或外接管路，整体总长仅325mm，配合专用铝合金防护运输箱，整套系统在收纳状态下结构紧凑、保护周全，可在法医解剖实验室固定工位、殡仪馆解剖室、灾害事故现场临时解剖点及医学院校教学实验室等多种工作场所之间便捷转运与快速部署。该便携化集成设计保障了法医检验人员在设备使用、存储及转运过程中的生物安全封闭性与设备完好性，从装备后勤层面有效支撑了法医病理检验工作的机动化、标准化与规范化运作。

合规应用场景

法医病理解剖常规开颅与颅脑损伤检验场景
在经法定程序批准的系统性尸体解剖中，法医病理学鉴定人使用本设备进行标准颅骨开窗操作。根据尸体颅骨厚度与检验需求选择适配锯片与转速，在同步吸尘系统的清洁环境下完成颅顶环形切开，锯切过程中骨屑被即时收集不外溢，解剖台面及操作者防护服保持洁净。颅骨切开后，鉴定人在无碎屑干扰的清晰视野下对硬脑膜完整性、脑组织表面损伤形态、颅内出血分布等关键病变进行系统性观察、拍照固定与规范描述，操作过程与检验记录完全符合《法医病理学尸体检验规范》对开颅操作程序及检验区域清洁度的法定标准。

刑事侦查中颅脑损伤与骨骼创伤案件的精准取样场景
在涉及颅脑损伤、锐器砍伤、钝器打击致颅骨骨折等刑事案件的尸体检验中，法医需对颅骨创伤区域进行高精度局部切开与骨组织样本提取，以分析骨折形态、推断致伤工具及打击方向。鉴定人使用本设备配合Φ50mm圆形锯片或Φ65mm扇形锯片，在创伤周边正常骨质区域进行精细切割取样，同步吸尘功能确保取样过程中不因骨屑飞溅而污染邻近的软组织创口或已固定的损伤形态证据。所提取的骨组织标本连同被收集的骨屑样本可作为后续组织病理学检验、扫描电镜观察及微量元素分析的规范检材，取样操作的全过程符合刑事技术骨骼创伤检验对检材提取须精细、无附加损伤及可追溯的规范要求。

司法鉴定机构法医病理学实验与研究场景
在司法鉴定机构的法医病理学实验室中，本设备用于开展各类涉及骨骼病理变化、创伤机制及解剖技术改进的实验研究。不同研究项目可根据实验设计灵活选用适配锯片与切割参数，同步吸尘系统为需要严格控制实验变量的组织病理学研究提供了清洁的样本制备环境，有效避免了骨屑交叉污染对组织染色及免疫组化结果的干扰。设备的高可靠性与长使用寿命满足了实验室高频次、常年持续使用的耐久性要求，为司法鉴定机构开展法医病理学科研与技术创新提供了标准化的骨组织处理工具平台。

特殊情况下外出流动解剖与遗体检验任务场景
在因自然灾害、重大事故或偏远现场等原因不具备标准解剖室条件的情况下，法医需携带解剖装备赴现场执行尸体检验任务。本设备的一体化便携设计与专用防护运输箱使其可随法医勤务车辆一同装载转运，到达现场后即可快速展开投入使用。吸尘器与电锯的集成化设计免去了现场搭建分体式抽吸管路的繁琐操作，在临时解剖环境下同样能确保骨屑的有效收集与检验区域的清洁卫生，充分满足了法医现场检验工作对设备机动性、操作便捷性与生物安全防护水平的综合保障需求。

核心技术参数

电源与动力方面，设备采用交流AC 230V供电，输入频率60Hz，主机额定功率500W，动力储备充足，可满足长时间连续解剖作业的高强度使用需求。切割性能方面，锯片转速在6500至24000转/分钟宽幅范围内无级可调，操作者可根据骨骼硬度与切割部位精细程度灵活选择适配转速。锯片配置方面，标配Φ65mm圆形锯片、Φ50mm圆形锯片及Φ65mm扇形锯片各一片，分别适用于大面积颅骨常规切开、小曲率区域精细切割及特殊角度骨面切入与弧线切割。清洁功能方面，主机集成专用同步吸尘系统，在锯切过程中即时吸附并收集骨屑与生物组织碎屑，有效控制气溶胶扩散与交叉污染。物理规格方面，设备主机长度325mm，结构紧凑，配合专用铝合金防护运输箱，便于实验室固定工位使用与外出流动解剖任务的便携转运。

合规实战应用案例

某市公安法医鉴定中心在日常法医病理尸体检验中，长期使用本吸尘器式德国电动开颅锯作为标准开颅工具。在一次涉及颅脑损伤的他杀案件检验中，主检法医使用本设备配合Φ65mm圆形锯片，在中速转速下对死者颅顶进行标准环形开窗。锯切过程中集成吸尘系统同步运作，骨屑被即时吸入收集仓，解剖台面及法医防护服前襟未出现传统开颅锯操作后常见的白色骨粉污染。颅骨切开后硬脑膜及脑组织表面视野清晰无碎屑遮挡，法医顺利完成了硬膜下血肿的形态拍照、脑挫伤区域的精确定位及组织病理检材的规范提取。骨屑收集仓内的样本被完整转移至物证袋中标注保存，以备后续可能的微量元素补充检验。整套开颅操作的清洁规范程度在案件卷宗中通过解剖记录及操作照片得以完整体现，为后续庭审中对解剖程序规范性的审查提供了直观的客观依据。

某省司法鉴定中心受理一起疑似因医疗过失致患者死亡案件的重新鉴定委托，需对死者颅骨进行二次解剖检验。由于首次解剖已在其他机构完成，颅骨上留有原始锯切口，鉴定人需避开原切口对颅骨其他区域进行补充取样。鉴定人使用本设备配合Φ50mm圆形锯片，在低速精细模式下对原切口外侧的颞骨区域进行局部精准切开，吸尘系统的同步收集功能确保新产生的骨屑不侵入颅腔内部已检区域。所获骨组织样本随后经脱钙、包埋、切片及HE染色后进行了组织病理学观察，为判断原手术路径的合理性及术后并发症的成因提供了补充的骨骼组织学依据。本设备在此次补充检验中展现的精细切割能力与同步清洁特性，保障了二次解剖在已干预区域进行补充取样时的操作精度与检验质量，鉴定程序及所获证据经法庭质证后得到采信。

厂家信息：北京毕思特联合科技有限公司
网址：https://www.bestlh.com
地址：北京市亦庄开发区经海六路一号院尖子班 C9 独栋
电话：010-56526048

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Vacuum-Integrated German Electric Autopsy Saw — Integrated Synchronous Dust Extraction System · 500W Powerful Motor · 6500-24000 RPM Adjustable Speed · Three Professional Saw Blades · High-Efficiency Clean Bone Cutting Professional System for Forensic Autopsy (Forensic Pathology Examination / Criminal Technical Bone Sampling / Forensic Laboratory Core Equipment)

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〖Important Compliance Precaution〗 This product is a specialized equipment for forensic pathological autopsy, which is solely supplied to authorized entities such as forensic medicine departments of public security organs at all levels, technical departments of people's procuratorates, judicial technical support departments of people's courts, forensic identification institutions, forensic medicine departments of medical schools, and authorized criminal technical laboratories with statutory autopsy qualifications and forensic identification credentials. Any sale or supply to individuals, non-qualified enterprises and unauthorized units is strictly prohibited. The procurement, use and management of this equipment must strictly comply with the Criminal Procedure Law of the People's Republic of China, the Regulations on the Administration of Autopsy, the Standards for Forensic Pathological Autopsy, and national laws, regulations and industrial technical standards regarding laboratory biosafety and occupational health protection. Operation must be carried out exclusively by forensic pathological examiners with professional forensic qualifications or statutory authorization. Unauthorized units and individuals are strictly forbidden from acquiring or using this equipment. Any use of this equipment in non-statutory autopsy activities, operation without appropriate personal protective equipment, or any biological contamination or occupational exposure risk caused by improper operation resulting in bone dust dispersion is strictly prohibited.

Product Overview

The Vacuum-Integrated German Electric Autopsy Saw — Integrated Synchronous Dust Extraction System, 500W Powerful Motor, 6500-24000 RPM Adjustable Speed, Three Professional Saw Blades, High-Efficiency Clean Bone Cutting Professional System for Forensic Autopsy (also referred to as the Vacuum-Integrated German Electric Autopsy Saw or Integrated Dust Extraction Electric Autopsy Saw) is a high-standard professional electric bone cutting device specifically designed for forensic pathological autopsy and forensic bone tissue sampling. It constitutes a core precision anatomical tool in the fields of public security forensic medicine, forensic pathological examination, and criminal technical bone trauma examination. This product is built upon the technically reliable German AC electric autopsy saw platform and innovatively integrates a dedicated dust extraction system that instantly captures and collects bone dust and biological tissue debris generated during bone sawing. It is deeply customized for the operational scenarios where forensic pathologists need to perform efficient, precise, and clean cutting of the skull and other bone tissues during autopsies. It perfectly adapts to professional operational environments including routine craniotomy in forensic autopsy rooms, precise sampling in criminal investigations involving craniocerebral injuries and bone trauma cases, pathological experimental research in forensic identification institutions, and body restoration and reconstruction. The system is equipped with a 500W powerful motor, providing a wide range of steplessly adjustable speed from 6,500 to 24,000 RPM. It comes standard with three professional saw blades: a Φ65mm circular blade, a Φ50mm circular blade, and a Φ65mm sector blade, enabling flexible adaptation to a full spectrum of needs ranging from routine large-area craniotomy to fine cutting in special locations. Its integrated design consolidates the electric saw and dust extractor into a single portable unit. Combined with a dedicated aluminum alloy transport case, it facilitates rapid deployment and use between fixed laboratory workstations and various field environments. This fundamentally resolves the long-standing operational pain points in forensic autopsy work—including contamination of the autopsy environment from the dispersion of bone dust and biological aerosols, increased risk of cross-contamination, occupational exposure risks for operators, and the difficulty in effectively collecting bone dust for subsequent examination. It provides forensic pathology examiners with "synchronous sawing and dust extraction, powerful motor with precise cutting, instant debris collection, and a continuously clean autopsy area" high-standard bone tissue cutting capability. It is a key forensic examination equipment for enhancing the efficiency of forensic autopsy work, safeguarding the occupational safety of operators, and maintaining the hygiene standards of the autopsy environment.

Technical Principle

This device operates on the combined electromechanical principle of reciprocating sawing and synchronized negative-pressure suction. At the power and cutting level, the main unit is equipped with a rated 500W AC series motor. When connected to an AC 230V, 60Hz power supply, the motor's rotor rotates at an adjustable speed. A transmission mechanism converts the rotational motion into high-frequency reciprocating oscillation at the front end of the saw blade. The operator can steplessly adjust the speed within a wide range from 6,500 to 24,000 RPM via the control switch on the body. Low speed is suitable for fine cutting or operations on thinner bone areas, while high speed meets the high-power demands for rapidly cutting through thick, dense cranial bone. The three professional saw blades included as standard are each optimized for different cutting conditions: the Φ65mm circular saw blade is suitable for routine large-area craniotomy; the Φ50mm circular saw blade, being more compact, facilitates fine cutting in areas with smaller radii of curvature or on pediatric skulls; the special geometry of the Φ65mm sector saw blade provides a flexible tool option for bone surface entry at specific angles and complex curved cutting.

At the cleaning and collection level, the device innovatively integrates the dedicated dust extraction system with the main saw unit into a single unit. The intake port of the dust extractor is positioned immediately adjacent to the saw blade working area. During the sawing process, a continuous negative-pressure airflow is synchronously generated, instantly drawing the bone dust particulates, bone powder, and biological tissue debris produced by the high-speed cutting of the saw blade into the collection chamber. This synchronous collection mechanism captures the bone dust before it can disperse widely onto the autopsy table surface, the operator's clothing, and into the surrounding air, significantly reducing the diffusion of biological aerosols and the risk of cross-contamination from the source. Simultaneously, the bone dust is completely and centrally collected within the dedicated chamber, facilitating subsequent extraction of bone dust samples as needed for toxicological analysis, trace element detection, or preservation as a technical evidence attachment to the autopsy record. The electric saw main unit and the dust extractor of the entire system are compactly integrated in structure, with a total device length of 325mm. Combined with the dedicated aluminum alloy protective transport case, the system can be conveniently transported between fixed laboratory workstations and mobile external autopsy tasks, meeting the dual high standards of equipment mobility and work environment cleanliness required in forensic autopsy work.

Core Functions and Compliance Operational Value

Integrated Synchronous Dust Extraction System, Achieving Instant Cleaning and a Closed Loop of Biosafety Protection During Bone Tissue Cutting
The device features an integrated design of the dedicated dust extraction system and the autopsy saw body. The dust extractor intake port is positioned immediately adjacent to the saw blade cutting area. The moment bone is cut, a continuous negative-pressure airflow is generated, instantly drawing the bone dust particulates, bone powder, and biological tissue debris produced by the high-speed cutting into the collection chamber. This capture and centralized collection is completed before the bone dust can disperse onto the operator's face, clothing, or the environment outside the autopsy table. This synchronous dust extraction mechanism fundamentally changes the passive work mode following traditional autopsy saw operation, which required significant time for tabletop cleaning, floor washing, and personal protective equipment decontamination. It significantly reduces the occupational exposure risk of operators inhaling pathogen-containing bone dust aerosols and effectively curtails the potential hazard of cross-contamination between different autopsy cases caused by biological material carried by dispersed bone dust. The clean autopsy area simultaneously provides the forensic pathologist with a clear, debris-free field of view for the direct visual examination of the cranial cut surface morphology, precise observation of intracranial injuries, and standardized photographic documentation of the autopsy process. This fully complies with the technical requirements of the Standards for Forensic Pathological Autopsy regarding the necessity of keeping the examination area clean during autopsy procedures and the requirement for operators to take occupational protective measures.

500W German Powerful Motor and Wide-Range Adjustable Speed, Meeting the Full Spectrum of Operational Demands from Fine Cutting to High-Power Craniotomy
The main unit is equipped with a German AC electric motor with a rated power of 500W. The power reserve is ample, maintaining stable and powerful output performance even during prolonged continuous autopsy operations or when encountering exceptionally dense bone in special cases. The speed covers an adjustable range from 6,500 to 24,000 RPM. The operator can flexibly select the appropriate speed based on the skull thickness, bone density, and the degree of precision required at the cutting site—the low-speed mode is suitable for fine operations on thin-walled structures such as the temporal bone and ethmoid bone, ensuring clean cutting edges and reducing unnecessary bone fragmentation; the high-speed mode meets the demands for efficient cutting during routine large-area craniotomy of the calvaria and for areas of thick, dense bone such as the external occipital protuberance. This wide-range power adjustment capability allows a single device to be competent for a variety of forensic autopsy cutting tasks, from neonates to adults and from routine skulls to other bones. Its stable working performance and long-lasting continuous operation life fully meet the high-intensity and high-reliability usage requirements of forensic pathology laboratories for critical autopsy equipment.

Combination Configuration of Three Professional Saw Blades, Covering the Full Spectrum of Operational Needs from Routine Craniotomy to Fine Cutting in Special Locations
The device comes standard with three professional saw blades of different specifications and shapes: a Φ65mm circular saw blade, a Φ50mm circular saw blade, and a Φ65mm sector saw blade. The Φ65mm circular blade serves as the primary work blade, suitable for standard autopsy craniotomy in adults. The Φ50mm small-diameter circular blade is specifically optimized for fine cutting in areas of the skull with smaller radii of curvature, for pediatric craniotomy, and for localized fine cutting of the temporal bone, jawbone, etc. The special geometric shape of the Φ65mm sector saw blade provides a diverse tool option for entry at specific angles, cutting along curved extensions, and surgical approaches to special bone locations. The combined configuration of these three blades allows the forensic pathologist, when faced with cadavers of different ages, body types, and injury types, to always select the most suitable cutting tool to complete a high-standard bone tissue incision. This avoids repeated cutting, rough cut surfaces, or accidental bone tissue damage caused by inappropriate tools, providing a flat and standardized anatomical exposure surface for subsequent observation of intracranial pathology, photographic documentation of injury morphology, and sampling for histopathological examination.

Integrated Portable Design and Dedicated Transport Case, Supporting the Efficient Interface Between Fixed Laboratory Workstations and Mobile External Autopsy Tasks
The device adopts an integrated structure combining the dust extractor and the electric saw main unit, requiring no separate assembly or external tubing. The overall length is only 325mm. Combined with the dedicated aluminum alloy protective transport case, the entire system is compactly structured and fully protected when stowed. It can be conveniently transported and rapidly deployed between various work locations, including fixed workstations in forensic autopsy laboratories, autopsy rooms at funeral parlors, temporary autopsy sites at disaster or accident scenes, and teaching laboratories in medical schools. This portable integrated design ensures the biosafety containment and equipment integrity during the use, storage, and transport of the equipment for forensic examination personnel. From the equipment logistics level, it effectively supports the motorized, standardized, and normalized operation of forensic pathological examination work.

Compliant Application Scenarios

Routine Autopsy Craniotomy and Craniocerebral Trauma Examination Scenario in Forensic Pathology
During a systematic autopsy approved by statutory procedures, the forensic pathology examiner uses this device to perform a standard craniotomy. Selecting the appropriate saw blade and speed based on the thickness of the cadaveric skull and the examination requirements, the circumferential incision of the calvaria is completed under the clean environment provided by the synchronous dust extraction system. During the sawing process, the bone dust is instantly collected without spillage, and the autopsy table surface and the operator's protective clothing remain clean. After the cranium is opened, the examiner, with a clear field of view free from debris interference, conducts a systematic observation, photographic documentation, and standardized description of key pathological findings, including the integrity of the dura mater, the injury morphology on the brain tissue surface, and the distribution of intracranial hemorrhages. The operational process and examination records fully comply with the statutory standards for craniotomy procedures and the cleanliness of the examination area stipulated in the Standards for Forensic Pathological Autopsy.

Precise Sampling Scenario in Criminal Investigations Involving Craniocerebral Injuries and Bone Trauma Cases
During autopsies in criminal cases involving craniocerebral injuries, sharp-force hacking injuries, or skull fractures caused by blunt-force impact, the forensic pathologist needs to perform high-precision localized incision and bone tissue sample extraction from the traumatized area of the skull to analyze the fracture morphology and infer the causative instrument and the direction of impact. The examiner uses this device, fitted with the Φ50mm circular blade or the Φ65mm sector blade, to perform fine cutting and sampling from the normal bone area surrounding the trauma. The synchronous dust extraction function ensures that the sampling process does not contaminate adjacent soft tissue wounds or the already-preserved injury morphology evidence with dispersed bone dust. The extracted bone tissue specimens, together with the collected bone dust samples, can serve as standardized examination materials for subsequent histopathological examination, scanning electron microscopy observation, and trace element analysis. The entire sampling operation process complies with the normative requirements of criminal technical bone trauma examination, which stipulate that sample extraction must be precise, cause no additional damage, and be traceable.

Forensic Pathology Experimental and Research Scenario in Forensic Identification Institutions
In the forensic pathology laboratories of forensic identification institutions, this device is used for conducting various experimental studies involving bone pathological changes, trauma mechanisms, and improvements in anatomical techniques. Different research projects can flexibly select appropriate saw blades and cutting parameters based on the experimental design. The synchronous dust extraction system provides a clean sample preparation environment for histopathological studies that require strict control of experimental variables, effectively preventing bone dust cross-contamination from interfering with tissue staining and immunohistochemistry results. The high reliability and long service life of the device meet the durability requirements of the laboratory for high-frequency, year-round continuous use, providing a standardized bone tissue processing tool platform for forensic identification institutions to conduct forensic pathology scientific research and technological innovation.

Mobile External Autopsy and Cadaveric Examination Task Scenario Under Special Circumstances
In situations where standard autopsy room conditions are unavailable due to natural disasters, major accidents, or remote crime scenes, the forensic pathologist needs to carry autopsy equipment to perform cadaveric examination tasks on site. The integrated portable design and the dedicated protective transport case of this device allow it to be loaded and transported with the forensic service vehicle. Upon arrival at the site, it can be quickly deployed and put into use. The integrated design of the dust extractor and electric saw eliminates the cumbersome operation of setting up separate external suction tube systems on site. Even in a temporary autopsy environment, it ensures the effective collection of bone dust and the cleanliness and hygiene of the examination area, fully satisfying the comprehensive support requirements for equipment mobility, operational convenience, and the level of biosafety protection in on-site forensic examination work.

Core Technical Parameters

In terms of power supply and motor, the device operates on AC 230V power, with an input frequency of 60Hz. The main unit has a rated power of 500W, providing ample power reserve to meet the high-intensity usage requirements of prolonged continuous autopsy operations. Regarding cutting performance, the saw blade speed is steplessly adjustable within a wide range from 6,500 to 24,000 RPM. The operator can flexibly select the appropriate speed based on bone hardness and the fineness of the cutting site. For saw blade configuration, the standard set includes one each of the Φ65mm circular saw blade, the Φ50mm circular saw blade, and the Φ65mm sector saw blade, respectively suitable for routine large-area craniotomy, fine cutting in small curvature areas, and bone surface entry at special angles and curved cutting. In terms of cleaning function, the main unit integrates a dedicated synchronous dust extraction system that instantly captures and collects bone dust and biological tissue debris during the sawing process, effectively controlling aerosol diffusion and cross-contamination. Regarding physical specifications, the main unit length is 325mm, featuring a compact structure. Combined with the dedicated aluminum alloy protective transport case, it facilitates both use at fixed laboratory workstations and portable transport for mobile external autopsy tasks.

Compliant Field Application Cases

In its routine forensic pathological autopsy work, the forensic identification center of a municipal public security organ has long used this Vacuum-Integrated German Electric Autopsy Saw as the standard craniotomy tool. During the examination of a homicide case involving craniocerebral injury, the chief forensic pathologist used this device, fitted with the Φ65mm circular saw blade at medium speed, to perform a standard circumferential craniotomy on the calvaria of the deceased. During the sawing process, the integrated dust extraction system operated synchronously. The bone dust was instantly drawn into the collection chamber, and the autopsy table surface and the front of the forensic pathologist's protective clothing did not exhibit the white bone powder contamination commonly seen after operating traditional autopsy saws. After the cranium was opened, the dura mater and the surface of the brain tissue were clearly visible, free from debris obstruction. The forensic pathologist successfully completed the morphological photography of the subdural hematoma, the precise localization of the cerebral contusion area, and the standardized extraction of histopathological samples. The contents of the bone dust collection chamber were completely transferred into an evidence bag, labeled, and preserved for any potential supplementary trace element examination in the future. The cleanliness and standardization of the entire craniotomy procedure were fully documented in the case file through the autopsy records and operational photographs, providing intuitive, objective evidence for the subsequent judicial review of the normality of the autopsy procedure during the court proceedings.

A provincial judicial identification center accepted a commission for a re-examination of a case involving the death of a patient suspected to be due to medical negligence, which required a second autopsy of the deceased's skull. Since the initial autopsy had already been performed at another institution and the original saw cut was present on the skull, the forensic examiner needed to perform supplementary sampling from other areas of the skull while avoiding the original incision. The forensic examiner used this device, fitted with the Φ50mm circular saw blade in low-speed precision mode, to perform a localized precise incision on the temporal bone area lateral to the original incision. The synchronous collection function of the dust extraction system ensured that the newly generated bone dust did not invade the already-examined area inside the cranial cavity. The obtained bone tissue samples were subsequently subjected to decalcification, embedding, sectioning, and HE staining for histopathological observation, providing supplementary skeletal histological evidence for determining the reasonableness of the original surgical path and the causes of postoperative complications. The fine cutting capability and synchronous cleaning characteristics demonstrated by this device during this supplementary examination ensured the operational precision and examination quality when performing supplementary sampling in an area that had already been previously intervened upon. The identification procedure and the obtained evidence were admitted by the court after cross-examination.

Manufacturer Information: Beijing Best United Technology Co., Ltd.
Website: https://www.bestlh.com
Address: Building C9, Jianziban, No.1 Courtyard, Jinghai Sixth Road, Yizhuang Development Zone, Beijing
Tel: 010-56526048