CN102475567A - Ultrasonic bone knife head - Google Patents

Ultrasonic bone knife head Download PDF

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Publication number
CN102475567A
CN102475567A CN2011101121917A CN201110112191A CN102475567A CN 102475567 A CN102475567 A CN 102475567A CN 2011101121917 A CN2011101121917 A CN 2011101121917A CN 201110112191 A CN201110112191 A CN 201110112191A CN 102475567 A CN102475567 A CN 102475567A
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China
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tip
blade
center
ultrasonic osteotome
cutting head
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CN2011101121917A
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Chinese (zh)
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CN102475567B (en
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不公告发明人
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江苏水木天蓬科技有限公司
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Priority to CN201110112191.7A priority Critical patent/CN102475567B/en
Priority claimed from PCT/CN2012/071952 external-priority patent/WO2012149837A1/en
Publication of CN102475567A publication Critical patent/CN102475567A/en
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Publication of CN102475567B publication Critical patent/CN102475567B/en

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Abstract

The invention discloses an ultrasonic bone knife head. The ultrasonic bone knife head comprises a blade and a knife tip, wherein the knife tip is positioned at the front end of the blade and is used for converging all the energy of an ultrasonic bone knife to the knife tip part. Due to the adoption of the technical scheme provided by the invention, the cutting speed can be increased, the operation time is reduced, and the cutting degree and the cutting shape of a bone can be precisely controlled.

Description

一种超声骨刀刀头 An ultrasonic osteotome tip

技术领域 FIELD

[0001] 本发明涉及医疗器械技术领域,尤其涉及一种超声骨刀刀头。 [0001] The present invention relates to the technical field of medical devices, and more particularly to an ultrasonic osteotome tip. 背景技术 Background technique

[0002] 在骨科手术中,经常使用超声骨刀对骨头进行切割、磨削、刨削、刮削或者任意整形。 [0002] In orthopedic surgery, it is often the bone using ultrasound osteotome cutting, grinding, planing, shaving or any plastic. 如图1所示,目前的超声骨刀刀头多齿,有较宽的刀尖部分,且刀尖部分多不是有效主要切割部位。 1, the present polydentate piezosurgery bit, has a wide tip portion, and a tip portion of the main cutting multiple parts are not valid.

[0003] 这种超声骨刀刀头存在如下问题:切割速度慢,效率低,带负载能力差,浪费能源; 容易断裂,使用寿命低;形状复杂,加工难度高,生产成本高。 [0003] This bit piezosurgery there is a problem: the cutting speed is slow, inefficient, with a load capacity difference, a waste of energy; easily broken, low life; complex shape, high processing difficulty and high cost of production.

发明内容 SUMMARY

[0004] 本发明的目的在于提出一种超声骨刀刀头,能够提高切割速度,减少手术时间,并且能够精确控制对骨头的切削量和形状。 [0004] The object of the present invention is to provide an ultrasonic osteotome tip, the cutting speed can be increased to reduce the operation time, and to precisely control the cutting amount and the shape of the bone.

[0005] 为达此目的,本发明采用以下技术方案: [0005] To achieve this object, the present invention employs the following technical solution:

[0006] 一种超声骨刀刀头,包括刀片和刀尖,所述刀尖位于刀片的正前端,用于将超声骨刀的全部能量汇聚到刀尖部分。 [0006] An ultrasonic osteotome tip, and includes a blade tip, the distal tip is located in a positive blade, for all the energy to converge piezosurgery tip portion.

[0007] 所述刀尖的厚度大于所述刀片的厚度。 [0007] The tip thickness greater than the thickness of the blade.

[0008] 所述刀尖设置有圆弧形凹槽。 [0008] The tip is provided with arcuate grooves.

[0009] 所述刀尖设置有三角形部分。 [0009] The tip is provided with a triangular section.

[0010] 还包括刀身和连接螺纹,刀身一端连接刀片,一端与连接螺纹连接,刀身一端是粗圆柱体,一端是细圆柱体,中间通过圆弧过渡,并设置正六角扳手位,连接螺纹用于与超声换能器连接。 [0010] and further comprising a connecting thread blade, the blade end of the blade is connected, at one end is connected with the connecting thread, one end of the blade is thick cylinder, one end of the cylinder is thin, the intermediate through arc transition, and provided n bit hex wrench, a threaded connection with in connection with the ultrasonic transducer.

[0011] 刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间一边是三角形,另一边是圆弧形凹槽。 [0011] located at the center of the cutting edge of the longitudinal central axis of the tip, the blade tip between the center and the two side edges of a triangle, a circular arc-shaped recess on the other side.

[0012] 刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间都是三角形,并且在三角形的中间部分设置圆弧形凹槽。 [0012] located at the center of the nose tip to the longitudinal central axis, the center between the two edges of the blade tip and are triangular, and arranged in the middle portion of the arc-shaped groove of the triangle.

[0013] 刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间靠近刀尖中心部分是三角形,靠近刀片边缘部分是圆弧形凹槽。 [0013] located at the center of the nose tip to the longitudinal central axis, the center between the two tip edge of the blade near the tip of the triangular central portion, adjacent to the blade edge portion is a circular arc-shaped groove.

[0014] 刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间都是三角形,并且在三角形的中间部分设置两个圆弧形凹槽。 [0014] located at the center of the nose tip to the longitudinal central axis, the center between the two edges of the blade tip and are triangular, and two arcuate recesses provided in the middle portion of the triangle.

[0015] 刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间都是圆弧形凹槽。 [0015] located at the center of the nose tip to the longitudinal central axis, a circular arc-shaped recess between the two edges of the center of the blade tip.

[0016] 采用了本发明的技术方案,切骨效率高、速度快,降低了手术时间,减小病人痛苦, 降低医生劳动强度;刀头精致小巧,可精确控制对骨头的切削量以及形状,降低术中的切骨损失量,加快病人的恢复时间;在切骨过程中有止血凝血效果,降低术中出血量;降低了加工难度,降低了生产成本。 [0016] The technical solution of the present invention, the high bone cutting efficiency, speed, reduce the operation time, reduced patient suffering, reducing the labor intensity of the doctor; head compact, can accurately control the amount of cutting and the shape of the bone, reduce bone loss in the amount of resection, accelerate patient recovery time; hemostatic coagulation effect in the process of cutting bone, reduce blood loss; reduce the difficulty of processing and reduce production costs. 附图说明 BRIEF DESCRIPTION

[0017] 图1是现有技术方案中超声骨刀刀头的结构示意图。 [0017] FIG. 1 is a schematic view of the prior art embodiment the ultrasonic blade tip bone.

[0018] 图2是本发明具体实施方式一中超声骨刀刀头的结构示意图。 [0018] FIG. 2 is a structural diagram of a specific embodiment of the present invention in piezosurgery tip.

[0019] 图3是本发明具体实施方式一中超声骨刀刀头的侧面示意图。 [0019] FIG. 3 is a schematic view of particular embodiments of the present invention in a side surface of the ultrasonic blade tip bone.

[0020] 图4是本发明具体实施方式二中超声骨刀刀头的结构示意图。 [0020] FIG. 4 is a schematic structural view of the specific embodiment two piezosurgery bit of the present invention.

具体实施方式 Detailed ways

[0021] 下面结合附图并通过具体实施方式来进一步说明本发明的技术方案。 [0021] DRAWINGS by specific embodiments to further illustrate the technical solutions of the present invention.

[0022] 本发明技术方案的主要思想是超声骨刀刀头的结构形状上,刀尖位于整个刀头的中心轴线上,从而将超声换能器所产生的能量全部汇聚于超声骨刀刀头的刀尖部分(最有效的工作部分),汇聚为一点,使刀头的刀尖部分具有最强的能量输出,达到最强的工作效 [0022] The main technical idea of ​​the present invention is the structure and shape of the tip piezosurgery, the entire nose tip is located on the center axis, whereby the ultrasonic energy generated by the transducers converge at all bit piezosurgery the tip portion (the most efficient working portion), converges to a point, so that the tip of the tip portion having the strongest energy output to achieve the most effective work

:^ ο : ^ Ο

[0023] 图2是本发明具体实施方式一中超声骨刀刀头的结构示意图。 [0023] FIG. 2 is a structural diagram of a specific embodiment of the present invention in piezosurgery tip. 图3是本发明具体实施方式一中超声骨刀刀头的侧面示意图。 FIG. 3 shows a specific embodiment of the invention in a side surface of the ultrasonic blade tip bone. 如图2和图3所示,该超声骨刀刀头采用的是单主齿刀尖不对称结构,包括刀片1、刀尖2、连接螺纹3和刀身4。 2 and 3, the head piezosurgery tooth using a single main cutting edge an asymmetric structure comprising a blade 1, a tip 2, 3 and connecting thread blade 4.

[0024] 刀尖位于刀片的正前端,用于将超声骨刀的全部能量汇聚到刀尖部分。 [0024] n located in the distal end tip of the blade, for all the energy to converge piezosurgery tip portion. 刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间一边是三角形,另一边是圆弧形凹槽。 Located at the center tip of the longitudinal central axis of the tip, the blade tip between the center and the two side edges of a triangle, a circular arc-shaped recess on the other side.

[0025] 刀身一端连接刀片,一端与连接螺纹连接,刀身一端是粗圆柱体,一端是细圆柱体,中间通过圆弧过渡,并设置正六角扳手位,连接螺纹用于与超声换能器连接。 [0025] connected to one end of the blade blade end connected to a threaded connection, an end of the blade is thick cylinder, one end of the cylinder is thin, the intermediate through arc transition, and provided n bit hex wrench, a threaded connector for connection to the ultrasonic transducer . 将刀头尾部的连接螺纹与特定的超声换能器连接,并用相应的扳手拧紧,再将超声换能器连接于特定的超声主机,即可进行工作。 The threads connecting the tip end of the particular ultrasound transducer connector and tighten with the corresponding wrench, then the ultrasonic transducer is connected to a particular host ultrasound, ready for operation.

[0026] 图4是本发明具体实施方式二中超声骨刀刀头的结构示意图。 [0026] FIG. 4 is a schematic structural view of the specific embodiment two piezosurgery bit of the present invention. 如图4所示,该超声骨刀刀头的结构与具体实施方式一中的超声骨刀刀头的结构基本一致,只是刀尖的厚度大于刀片的厚度,刀尖和刀片之间通过圆弧过渡。 Through the arc between the illustrated structure as the tip piezosurgery a specific embodiment, the bone in the head 4 are basically the same, except that the thickness of the tip is greater than the thickness of the blade, and the blade tip transition.

[0027] 这样在使用时刀尖切割出的宽度就大于刀片的厚度,在手术过程中,切割较厚的骨头或切割较深的槽、窗型切口时就不会出现夹刀卡死现象。 [0027] When using such a tip would cut width greater than the thickness of the blade, during surgery, thicker bone cutting or cutting deep grooves, the clamp cutter death phenomenon does not occur when the card window cut. 另外,刀尖厚度大还增加了刀尖强度,相对提高了刀头的使用寿命。 Further, a large thickness also increases the cutting edge strength of the cutting edge, opposite to improve the life of the tip.

[0028] 上述仅举出刀尖的一种形状为例,实际手术过程中,可以根据不同的需要,采用不同形状的刀尖。 [0028] The foregoing is merely mentioned as an example of one shape of cutting edge, the actual procedure, according to different needs, using different tip shapes.

[0029] 刀尖部分可以全部是圆弧形凹槽,凹槽两端位于刀片边缘两边。 [0029] The tip portion may be entirely arcuate groove, the groove ends located on both sides of the blade edge.

[0030] 刀尖部分也可以全部是三角形部分。 [0030] The tip portion may all be part of a triangle.

[0031] 刀尖部分还可以采取以下形状: [0031] The tip portion may also take the following form:

[0032] 刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间都是三角形,并且在三角形的中间部分设置圆弧形凹槽。 [0032] located at the center of the tip of the nose longitudinal central axis, the center between the two edges of the blade tip and are triangular, and arranged in the middle portion of the arc-shaped groove of the triangle.

[0033] 刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间靠近刀尖中心部分是三角形,靠近刀片边缘部分是圆弧形凹槽。 [0033] located at the tip of the cutting edge center longitudinal central axis, the center between the two tip edge of the blade near the tip of the triangular central portion, adjacent to the blade edge portion is a circular arc-shaped groove.

[0034] 刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间都是三角形,并且在三角形的中间部分设置两个圆弧形凹槽。 [0034] located at the tip of the cutting edge center longitudinal central axis, the center between the two edges of the blade tip and are triangular, and two arcuate recesses provided in the middle portion of the triangle.

[0035] 刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间都是圆弧形凹槽。 [0035] The center of the cutting edge located at the tip of the longitudinal central axis, a circular arc-shaped recess between the two edges of the center of the blade tip.

[0036] 以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此, 任何熟悉该技术的人在本发明所揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。 [0036] above, the present invention is merely preferred specific embodiments, but the scope of the present invention is not limited thereto, and any person skilled in the art within the technical scope disclosed by the present invention can be easily thought of changes or replacements shall fall within the protection scope of the present invention. 因此,本发明的保护范围应该以权利要求的保护范围为准。 Accordingly, the scope of the present invention should be defined by the scope of the claims.

Claims (10)

1. 一种超声骨刀刀头,其特征在于,包括刀片和刀尖,所述刀尖位于刀片的正前端,用于将超声骨刀的全部能量汇聚到刀尖部分。 1. An ultrasonic osteotome tip, wherein the tip comprises a blade and a blade tip located at the distal end of the positive, for all the energy to converge piezosurgery tip portion.
2.根据权利要求1所述的一种超声骨刀刀头,其特征在于,所述刀尖的厚度大于所述刀片的厚度。 2. An ultrasonic osteotome cutting head according to claim 1, wherein a thickness greater than the thickness of the tip of the blade.
3.根据权利要求1所述的一种超声骨刀刀头,其特征在于,所述刀尖设置有圆弧形凹槽。 3. An ultrasonic osteotome cutting head according to claim 1, wherein said tip is provided with arcuate grooves.
4.根据权利要求1所述的一种超声骨刀刀头,其特征在于,所述刀尖设置有三角形部分。 4. An ultrasonic osteotome cutting head according to claim 1, wherein said tip is provided with a triangular section.
5.根据权利要求1-4中任一权利要求所述的一种超声骨刀刀头,其特征在于,还包括刀身和连接螺纹,刀身一端连接刀片,一端与连接螺纹连接,刀身一端是粗圆柱体,一端是细圆柱体,中间通过圆弧过渡,并设置正六角扳手位,连接螺纹用于与超声换能器连接。 5. An ultrasonic osteotome tip of any one of claims 1-4 claim, characterized in that the threaded connection further comprising a blade and a blade body connected to one end of the blade end connected to a threaded connection, an end of the blade is thick cylindrical body, one end of the cylinder is thin, the intermediate through arc transition, and provided n bit hex wrench, a threaded connector for connection to the ultrasonic transducer.
6.根据权利要求1或者2所述的一种超声骨刀刀头,其特征在于,刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间一边是三角形,另一边是圆弧形凹槽。 6. An ultrasonic osteotome cutting head of claim 1 or claim 2, characterized in that, between the two triangular side edge of the center located at the tip of the cutting edge longitudinal central axis, with the center of the blade tip , the other side is arcuate recess.
7.根据权利要求1或者2所述的一种超声骨刀刀头,其特征在于,刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间都是三角形,并且在三角形的中间部分设置圆弧形凹槽。 7. An ultrasonic osteotome cutting head of claim 1 or claim 2, characterized in that, between the two edges of the triangle are the centers located at the tip of the cutting edge longitudinal central axis, with the center of the blade tip , and the arc groove is provided in the middle portion of the triangle.
8.根据权利要求1或者2所述的一种超声骨刀刀头,其特征在于,刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间靠近刀尖中心部分是三角形,靠近刀片边缘部分是圆弧形凹槽。 8. An ultrasonic osteotome cutting head of claim 1 or claim 2, characterized in that the tip is close to the center between the two edges of the cutting edge located at the tip of the longitudinal central axis, with the center of the blade tip triangular central portion, adjacent to the blade edge portion is a circular arc-shaped groove.
9.根据权利要求1或者2所述的一种超声骨刀刀头,其特征在于,刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间都是三角形,并且在三角形的中间部分设置两个圆弧形凹槽。 9. An ultrasonic osteotome cutting head of claim 1 or claim 2, characterized in that, between the two edges of the triangle are the centers located at the tip of the cutting edge longitudinal central axis, with the center of the blade tip and two arcuate recesses provided in the middle portion of the triangle.
10.根据权利要求1或者2所述的一种超声骨刀刀头,其特征在于,刀尖的中心位于刀头的纵向中轴线上,刀尖中心与刀片的两个边缘之间都是圆弧形凹槽。 10. An ultrasonic osteotome cutting head of claim 1 or claim 2, characterized in that, between the two edges are round tip located at the center of the longitudinal central axis of the tip, the blade tip and the center arcuate recess.
CN201110112191.7A 2011-05-03 2011-05-03 Ultrasonic bone knife head CN102475567B (en)

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PCT/CN2012/071952 WO2012149837A1 (en) 2011-05-03 2012-03-05 Piezosurgery tool bit

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WO2019184783A1 (en) * 2018-03-30 2019-10-03 江苏水木天蓬科技有限公司 Ultrasonic osteotome head

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CN202086536U (en) * 2011-05-03 2011-12-28 江苏水木天蓬科技有限公司 Single circular arc blade ultrasonic osteotome head
CN202086574U (en) * 2011-05-03 2011-12-28 江苏水木天蓬科技有限公司 Tool bit for ultrasonic osteotome with two circular arc-shaped edges
CN202086530U (en) * 2011-05-03 2011-12-28 江苏水木天蓬科技有限公司 Triangle blade ultrasonic osteotome head
CN202086573U (en) * 2011-05-03 2011-12-28 江苏水木天蓬科技有限公司 Knife head of piezosurgery with halberd-type edge
CN202086534U (en) * 2011-05-03 2011-12-28 江苏水木天蓬科技有限公司 Ultrasonic bone scalpel bit with E-shaped edge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018059261A1 (en) * 2016-09-28 2018-04-05 江苏水木天蓬科技有限公司 Ultrasonic osteotome cutter bit
CN106890020A (en) * 2017-02-21 2017-06-27 江苏水木天蓬科技有限公司 A kind of ultrasound knife cutter head
WO2018153250A1 (en) * 2017-02-21 2018-08-30 江苏水木天蓬科技有限公司 Ultrasonic scalpel cutting tip
WO2019184783A1 (en) * 2018-03-30 2019-10-03 江苏水木天蓬科技有限公司 Ultrasonic osteotome head

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