This new design enables costs to be reduced greatly compared to drilling a hollow screw shaft.

这个新设计使成本大大降低钻井相比，空心螺钉轴。

The equal wall thickness hollow screw pump rotor is mainly applied to the transport of viscous liquid.

本实用新型主要应用于粘稠液体的输送。

The screw consists of core spindle and several hollow screw segments which can be replaced easily for different materials.

该螺杆由芯轴和几个空心螺杆段组成，对于不同的物料，只需更换其中某些空心螺杆段即可。

Objective To investigate the outcome of trans-scaphoid perilunar dislocation treated with bone anchor and AO/ASIF hollow screw.

目的探讨骨锚和空心钉联合应用于经舟骨月骨周围脱位的临床疗效。

Objective:To investigate the effect of femoral intertrochanteric fracture in elderly patients treated with the double heads compressive hollow screw.

目的：探讨双头加压空心螺钉在老年股骨粗隆间骨折中的应用价值。

Methods Among 32 cases of femoral neck fracture, 28 cases were treated by close reduction and 4 cases were treated by open reduction with AO hollow screw.

方法：对32例股骨颈骨折患者采用闭合复位（28例）或切开复位（4例）加AO空心螺钉内固定治疗。

Upon analysis of the screw thread damage on the dismantling screw, new dismounting kit and hollow screw have been designed and made by the plant independently a.

针对这种情况，分析了拆卸螺杆上螺纹发生损坏的原因，自行设计制作了新的拆卸套具及空心螺杆，取得了很好的效果。

The top part of one inner bolt which matches the blank hole channel of the outer hollow screw is also conical. The rear is provided with a thread and a tetragonal body for holding.

一与外空心螺钉的盲孔道相匹配的内螺栓，内螺栓的尖端部位亦为锥形，尾部设有螺纹和供握持用的四方体。

Screw augmented with bone cement or replaced with thicker, longer screws or special screws (hollow screw and expandable screw hole) can lead to increase in the absolute value of screw stability.

骨水泥加强或更换较粗、较长螺钉或使用特殊螺钉可以使螺钉稳定性绝对值增加。

Objective To analyze the clinical effects of hollow compression screw internal fixation treating advanced age patients' femoral neck fracture.

目的分析中空加压螺钉内固定治疗高龄股骨颈骨折患者的临床效果。

Objective To explore clinical effects of posterior cruciate ligament reconstruction with grafting of four biceps femoris tendons and biodegradable hollow interface screw under arthroscopy.

目的探讨关节镜下可吸收空心界面螺钉固定四股腘绳肌腱重建后交叉韧带的临床疗效。

Objective: Through comparative study hollow tension screw and plaster cast asked for fresh scaphoid bone fracture, to evaluate the clinical efficacy of the hollow tension screw surgical methods.

目的：对比研究空心拉力螺钉与管型石膏治疗新鲜腕舟骨骨折，评价空心拉力螺钉手术方法的临床疗效。

Conclusion Hollow long pressurizing screw is propitious to be used in patients with stable fracture or elderly, debilitated patients because of its solidity and fewer operative trauma.

结论中空长加压螺钉系闭合穿钉内固定，手术创伤少，且内固定牢靠，稳定型骨折及年老体弱者应首选此术式。

Screw hollow and motor spindle are distributed staggered and equally.

螺纹安装孔的位置与电装电机轴线成错开对称分布。

The dust valve cancels a rubber plate on the existing valve plate, but USES a hollow rubber ring. The regulating screw is used to regulate the dip Angle of the valve plate.

该卸灰阀取消了现有阀板上的橡胶板，而用空心橡胶圈，并用调整螺丝调整阀板倾角。

Objective: To explore clinical effect of treatment of fractures of the talar neck with hollow compression screw via inner malleolus tomy approach.

结论： 经内踝截骨入路空心加压螺纹钉固定是治疗复杂距骨颈骨折的有效方法之一。

Active water or light oil is sent downhole through hollow rod to reduce oil flow resistance, thus producing heavy oil from deep formation through screw pump.

利用空心杆向井筒内掺入活性水或稀油，降低油流阻力，实现应用螺杆泵开采深层稠油。

Objective To evaluate the efficacy of AO hollow pulling screw and artificial hip replacement for the treatment of fractures of the femoral neck.

目的比较空心加压螺纹钉内固定与人工关节置换术治疗老年股骨颈骨折的疗效。

The 3 hollow double heads compression screw appear to offer distinct advantage over the 3 solid screw, trifin in the against pressure, against bending force, torsional strength and torsional rigidity.

三枚中空双头螺纹加压钉比三枚实心螺纹钉、三翼钉在抗压、抗弯、抗扭强度和刚度上占有一定的优势。

Objective To study the method and the effect of internal fixation with three hollow-compression-screw for femoral neck fracture .

目的探索中空加压螺钉内固定治疗股骨颈骨折方法及临床疗效。

A grab handle is a hollow thin pipe, and a cleaning head is a small spray head which is communicated with a water pipe through a water inlet with a screw thread.

用作握柄的是一根中空细管，清洁头是一个小小的喷头，通过带有螺纹的进水口将其与水管接通。

Using 9 cadaver femora instrumented, the fracture of femoral neck was fixed with 3 hollow double heads compression screw, 3 solid screw and Trifin respectively.

利用9具成年新鲜股骨尸体标本，分别采用中空双头螺纹加压钉、实心螺纹钉、三翼钉进行股骨颈骨折内固定，并进行生物力学实验。