CN202665682U - Angled locking hollow screw for treatment of fracture - Google Patents

Angled locking hollow screw for treatment of fracture Download PDF

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Publication number
CN202665682U
CN202665682U CN 201220275531 CN201220275531U CN202665682U CN 202665682 U CN202665682 U CN 202665682U CN 201220275531 CN201220275531 CN 201220275531 CN 201220275531 U CN201220275531 U CN 201220275531U CN 202665682 U CN202665682 U CN 202665682U
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CN
China
Prior art keywords
screw
locking
angled
body
fracture
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CN 201220275531
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Chinese (zh)
Inventor
严丽华
朱伟强
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浙江科惠医疗器械有限公司
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Priority to CN 201220275531 priority Critical patent/CN202665682U/en
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Publication of CN202665682U publication Critical patent/CN202665682U/en

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Abstract

The utility model belongs to the field of medical instruments, and particularly relates to an angled locking hollow screw for treatment of fracture. The angled locking hollow screw comprises a screw body and a locking screw, and is characterized in that the screw body is provided with an inclined taper thread hole, the head of the locking screw is provided with a taper thread consistent with the inclined taper thread hole of the screw body in terms of appearance and size, the screw body is fixed with the locking screw through the inclined taper thread hole in an internal and external threaded connection manner and form a certain angle for improving stability of products. During operation, the screw body of the angled locking hollow screw for treatment of fracture is implanted into the bone by the aid of a tool and then the locking screw is placed into the screw body by the aid of the tool through the taper thread hole so that stability is enhanced, and finally, the screw is connected with muscle by a suture line through a suture hole at the head of the screw. The angled locking hollow screw for treatment of fracture has the advantages of short operation time, safety and capability of relieving suffering of patients.

Description

用于骨折治疗的成角锁定中空螺钉 For the treatment of fractures angled hollow locking screw

技术领域 FIELD

[0001] 本实用新型属于医疗器械类,具体是一种用于骨折治疗的成角锁定中空螺钉。 [0001] The present invention belongs to medical equipment, in particular for fracture angulated one kind of hollow locking screws.

背景技术 Background technique

[0002] 股骨颈骨折为常见骨折,约占骨折3. 6 %,多见于老年人,治疗方法多,但如果治疗不当可造成股骨头坏死。 [0002] femoral neck fracture is a common fracture, fractures account for about 3.6%, more common in the elderly, treatment and more, but if not treated properly can cause necrosis of the femoral head. 按传统治疗方法,股骨颈骨折可行非手术治疗,而是用内固定这种骨折将有更为可靠和安全的稳定性,因为几乎100%的嵌括骨折均可愈合;而不用多枚螺丝钉内固定时,15%以上可发生移位。 By traditional treatment methods, a viable non-surgical treatment of femoral neck fracture, but with this internal fixation fractures will be more reliable and secure stability, since almost 100% of the fracture can heal insert comprises; multiple pieces without Screw fixed, more than 15% displacement may occur. 而老年人由于骨质疏松及自愈能力较差,其比例明显上升。 The elderly due to osteoporosis and healing ability is poor, which was significantly increased. 近年来,对股骨颈骨折多采用手术治疗,尽早使骨折复位,坚强固定已成为共识。 In recent years, femoral neck fractures treated by surgery as soon as possible so that fracture reduction, rigid fixation has become a consensus. 而多数学者认为,多针内固定的牢固程度最强,应作为首选,中空螺丝固定目前已在国际上成为股骨颈骨折的常用方法。 But most scholars believe, in the multi-pin fixed firmly strongest degree, should be preferred, hollow screws has become a common method of femoral neck fractures in the international arena. 它具有创伤小、手术时间短、出血量少,患者易接受,经济负担较轻,能早期恢复其活动,减少卧床时间的优点。 It has a small trauma, shorter operative time, less blood loss, patients tend to accept economic burden lighter, can resume its activities early, reducing the advantage of time in bed. 但同时它也具有以下缺点:对于头下型的股骨颈骨折极易发生股骨头坏死,需再次手术换头治疗。 But it also has the following disadvantages: For the first type, the femoral neck fracture prone to osteonecrosis, surgical treatment for the first again. 因骨折疏松、脆弱,术中中空螺钉易发生骨质纵行裂开,固定的螺丝钉松动退出会因过早活动及大范围活动而发生,增加了病人的痛苦,影响了病人的康复进度。 Fractures due to osteoporosis, fragile, prone to intraoperative hollow bone screw longitudinal split, fixed screw loose to exit prematurely due to a wide range of events and activities take place, increasing the suffering of the patients, affecting the progress of the rehabilitation of patients.

发明内容 SUMMARY

[0003] 本实用新型的目的是为了提高现有中空螺钉的锁钉在植入后的稳定性,以防止其松动退出,为外科医生提供一种操作方便、恢复快、不易对身体造成损伤的用于骨折治疗的成角锁定中空螺钉。 [0003] The object of the present invention to improve the stability of the hollow locking nail conventional screws after implantation, to prevent loosening exit, to provide a convenient operation for the surgeon, quick recovery, difficult to cause damage to the body angular locking for the fracture hollow screw.

[0004] 本实用新型所采用的技术方案是: [0004] aspect of the present invention is used:

[0005] 一种用于骨折治疗的成角锁定中空螺钉,包括螺钉主体、锁定螺钉,其特征在于:螺钉主体设置斜向锥螺纹内孔,锁定螺钉头部设置与螺钉主体斜向锥螺纹孔外形、尺寸一致的锥螺纹,螺钉主体和锁定螺钉通过斜向锥螺纹孔采用内外螺纹连接的方式固定在一起,并成一定的角度,以提高稳定性。 [0005] An angled fracture for locking the hollow screw comprising a screw body, a locking screw, characterized in that: the screw body disposed obliquely tapered threaded bore, the locking screw head main body provided with screw tapped hole obliquely shape, size uniform taper thread, the screw body and the locking screw employs a tapped hole by an oblique screwing manner secured together inside and outside, and at an angle, to improve stability.

[0006] 本实用新型的螺钉主体头部设置埋头螺钉结构,减少植入突出,提高安全性。 [0006] The present invention is provided a countersunk screw head of the screw body structure, implantation reduced projection improve safety. 螺钉主体内表面设置大圆形孔,确保锁定螺钉的容纳度,轴端内表面采用中空结构,尾部尖端采用倒钝结构,避免螺纹二次穿孔的概率,从而降低患者的手术风险。 An inner surface of the screw body large round holes for accommodating locking screw, the surface structure of the hollow shaft, the tip of the tail using an inverted obtuse configuration, the second screw perforation avoidance probability, thereby reducing the surgical risk to the patient.

[0007] 本实用新型的螺钉主体头部设置U形通孔,确保与工具的可靠连接。 [0007] The present invention is provided a U-shaped head of the screw body through hole, and tools to ensure reliable connection. 且头部设置缝线孔,用于连接肌肉。 Suture hole and the head is provided for connecting muscles.

[0008] 本实用新型锁定螺钉尾部设置三个均布的90°切口,方便快速的植入骨头。 [0008] The present invention is provided a locking screw 90 ° tail notch three equispaced, convenient and fast bone implant.

[0009] 本实用新型提供的用于骨折治疗的成角锁定中空螺钉借助工具将成角锁定中空螺钉的螺钉主体植入骨中后,再借助工具将锁定螺钉通过斜向锥螺纹孔放入螺钉主体中,螺钉主体和锁定螺钉结合并形成了一定的角度,提高了产品稳定性,最后通过螺钉主体头部的缝线孔利用缝合线与肌肉连接。 [0009] The present invention provides for the angled fracture by means of a locking screw tool will become hollow angle locking screw of the hollow body after the bone screw implant, then the aid of a tool body by a locking screw into the screw threaded hole obliquely tapered , the body and the locking screw and the screw and formed at an angle, to improve the stability of the product, and finally connected through the muscle using sutures and suture hole of the screw head portion body. 具有创伤小、手术简单、术后恢复快等优点,可减轻病人的痛苦。 With less trauma, simple operation, quick recovery, etc., can reduce pain. 附图说明 BRIEF DESCRIPTION

[0010] 图I是本实用新型结构示意图。 [0010] FIG. I is a schematic view of the present invention a novel structure.

[0011] 图2是图I的AA剖视图。 [0011] FIG. 2 is a cross-sectional view AA of Figure I.

具体实施方式 detailed description

[0012] 下面对照附图,通过实施例对本实用新型作进一步的说明。 [0012] reference to the drawings below, by way of example a further explanation of the invention as.

[0013] 如图I、图2所示,一种用于骨折治疗的成角锁定中空螺钉,包括螺钉主体I、锁定螺钉2,其特征在于:螺钉主体I设置斜向锥螺纹孔4,锁定螺钉2设置与螺钉主体I斜向锥螺纹孔4外形、尺寸一致的锥螺纹,螺钉主体I和锁定螺钉2通过斜向锥螺纹孔4采用内外螺纹连接的方式固定在一起,并成一定的角度,以提高稳定性。 [0013] FIG I, as shown, angled one kind of fracture for locking the hollow screw 2, comprising a screw body I, the locking screws 2, wherein: the screw body disposed obliquely I tapped hole 4, the locking screw body 2 is provided with a screw threaded bore 4 I oblique taper shape, uniform size taper thread, a screw body and the locking screw 2 I tapped hole by an oblique manner with four internal and external threaded connection secured together, and at an angle to improve stability.

[0014] 本实用新型的螺钉主体I头部设置埋头螺钉结构6,减少植入突出,提高安全性。 [0014] The present invention is provided a screw head of a countersunk screw body structure I 6, implantation reduced projection improve safety. 螺钉主体I头部内表面设置大圆形孔7,确保锁定螺钉的容纳度,轴端内表面采用中空结构,尾部尖端采用倒钝结构,避免螺纹二次穿孔的概率,从而降低患者的手术风险。 A screw disposed within the body surface of the head I large circular hole 7, ensure that the locking screw is accommodated, the surface structure of the hollow shaft, the tip of the tail using an inverted obtuse configuration, the second screw perforation avoidance probability, thereby reducing the surgical risk to the patient .

[0015] 本实用新型的螺钉主体I头部设置U形通孔,确保与工具的可靠连接。 [0015] The present invention is provided a screw head of a U-shaped main body I through hole, and tools to ensure reliable connection. 且头部设置四个圆形缝线孔3,用于连接肌肉。 And the head 3 is provided four circular suture hole for connecting muscles.

[0016] 本实用新型锁定螺钉尾部设置三个均布的90°切口5,方便快速的植入骨头。 [0016] The present invention is provided a locking screw tail three equispaced 90 ° cuts 5, to facilitate rapid bone implant.

[0017] 手术时,借助工具将用于骨折治疗的成角锁定中空螺钉的螺钉主体I植入骨中后,再借助工具将锁定螺钉2通过斜向锥螺纹孔4放入螺钉主体I中,螺钉主体I和锁定螺钉2结合并形成一定的角度,提高了产品稳定性,最后通过螺钉主体I头部的圆形缝线孔3利用缝合线与肌肉连接。 [0017] surgery, by means of the tool after the fracture treatment for angled hollow body of the locking screw bone screw implant I, then the aid of a tool by an oblique locking screw 2 into screw tapped hole 4 in the body I, I screw body 2 and the locking screw combined to form an angle, to improve the stability of the product, and finally through the circular screw holes suture body I using a suture head 3 is connected to the muscles.

Claims (4)

1. 一种用于骨折治疗的成角锁定中空螺钉,包括螺钉主体、锁定螺钉,其特征在于:螺钉主体设置斜向锥螺纹孔,锁定螺钉头部设置与螺钉主体斜向锥螺纹孔外形、尺寸一致的锥螺纹,螺钉主体和锁定螺钉通过斜向锥螺纹孔采用内外螺纹连接的方式固定在一起,并成一定角度。 1. angled one kind of fracture for locking a hollow screw comprising a screw body, a locking screw, characterized in that: the screw body disposed obliquely tapped hole, locking the screw head is provided with screw tapped hole obliquely body shape, uniform size taper thread, and the screw body and outside by way of a locking screw screwed through a tapped hole obliquely secured together and angled.
2.根据权利要求I所述的用于骨折治疗的成角锁定中空螺钉,其特征在于:螺钉主体头部设置埋头螺钉结构,内表面设置大圆形孔,轴端内表面采用中空结构,尾部尖端采用倒钝结构。 The I of the angled fracture for locking a hollow screw as claimed in claim wherein: the head of the screw body structure disposed countersunk screws, the inner surface of the large circular hole is provided, the axial end surface of the hollow structure, the tail blunt tip using an inverted structure.
3.根据权利要求I或2所述的用于骨折治疗的成角锁定中空螺钉,其特征在于:螺钉主体头部设置U形通孔,且头部设置缝线孔。 According to claim I or angled for the treatment of fractures of the hollow locking screws 2, characterized in that: the head of the screw body is provided a U-shaped through hole, and a head portion provided suture hole.
4.根据权利要求I或2所述的用于骨折治疗的成角锁定中空螺钉,其特征在于:锁定螺钉尾部设置三个均布的90°切口。 According to claim I or angled for the treatment of fractures of the hollow locking screws 2, wherein: the locking screw 90 ° tail notch provided three uniformly distributed.
CN 201220275531 2012-06-08 2012-06-08 Angled locking hollow screw for treatment of fracture CN202665682U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102715945A (en) * 2012-06-08 2012-10-10 浙江科惠医疗器械有限公司 Corner locking hollow screw for fracture treatment
US9662156B2 (en) 2011-11-18 2017-05-30 DePuy Synthes Products, Inc. Femoral neck fracture implant
CN106725796A (en) * 2016-12-16 2017-05-31 常州华森医疗器械有限公司 PH anatomical plate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9662156B2 (en) 2011-11-18 2017-05-30 DePuy Synthes Products, Inc. Femoral neck fracture implant
US9999453B2 (en) 2011-11-18 2018-06-19 DePuy Synthes Products, Inc. Femoral neck fracture implant
US10507048B2 (en) 2011-11-18 2019-12-17 DePuy Synthes Products, Inc. Femoral neck fracture implant
CN102715945A (en) * 2012-06-08 2012-10-10 浙江科惠医疗器械有限公司 Corner locking hollow screw for fracture treatment
CN106725796A (en) * 2016-12-16 2017-05-31 常州华森医疗器械有限公司 PH anatomical plate

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Owner name: ZHEJIANG CANWELL MEDICAL CO., LTD.

Free format text: FORMER NAME: KEHUI MEDICAL EQUIPMENT CO., LTD., ZHEJIANG