CN201701338U - 髓腔定位器 - Google Patents

髓腔定位器 Download PDF

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Publication number
CN201701338U
CN201701338U CN201020194037XU CN201020194037U CN201701338U CN 201701338 U CN201701338 U CN 201701338U CN 201020194037X U CN201020194037X U CN 201020194037XU CN 201020194037 U CN201020194037 U CN 201020194037U CN 201701338 U CN201701338 U CN 201701338U
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China
Prior art keywords
indexing
locking piece
indexing base
indexing seat
medullary cavity
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CN201020194037XU
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English (en)
Inventor
程鸿远
周嘉宏
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Changzhou Orthmed Medical Instrument Co Ltd
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Trauson Medical Instrument China Co Ltd
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Abstract

本实用新型涉及一种髓腔定位器,具有本体,本体上设有可调支架,中部转动连接分度座,分度座前部与本体铰接,尾部设有定向齿,分度座上设有前后方向的通孔,本体上还设有锁定件,锁定件上设有与分度座尾部定向齿相配的锁定齿。手术时将髓腔定位杆插入本实用新型分度座的通孔中,拉开锁定件,转动分度座直至髓腔定位杆通过髓腔狭部,然后使锁定件锁定分度座,确定截骨平面,测量准确,适用性高,可调支架可连接远端截骨板,操作十分方便。

Description

髓腔定位器
技术领域
本实用新型涉及一种医用人工关节假体,特别涉及一种髓腔定位器。
背景技术
膝关节是人体最大的、结构最为复杂的关节之一,是人体运动过程中最主要的关节。膝关节假体系统的发展距今已有几十年的历史,当人体自然膝关节由于病变或损伤等原因造成部分或全部功能丧失时,就需要采用膝关节假体系统予以替换,以重建膝关节正常功能,减少病人的病痛和不便,实施膝关节假体系统置换术可以达到最佳的治疗效果,能最大限度地恢复病患者的行动能力。
膝关节假体系统置换手术过程中,股骨远端截骨之前确定截骨平面至关重要,一般需要通过髓腔定位器来进行股骨对线,现有髓腔定位器如史塞克(STRYKER)公司的SCORPIO全膝系统远端截骨器械、截迈(ZIMMER)公司的NEXGEN全膝系统远端截骨等结构大都比较复杂,操作不便。
实用新型内容
本实用新型的目的在于提供一种克服上述缺点,操作简便、对线准确的髓腔定位器。
实现本实用新型目的的技术方案是:一种髓腔定位器,具有本体,本体上设有可调支架,中部转动连接分度座,分度座前部与本体铰接,尾部设有定向齿,分度座上设有前后方向的通孔,本体上还设有锁定件,锁定件上设有与分度座尾部定向齿相配的锁定齿。
上述髓腔定位器的锁定件前后方向设置在本体上,锁定件与本体之间设有弹簧。
上述髓腔定位器的分度座的分度精度为1°,即分度座尾部转动一个齿的位置,分度座转动1°,分度座转动角度为±12°。
本实用新型具有以下特点:手术时将髓腔定位杆插入本实用新型分度座的通孔中,拉开锁定件,转动分度座直至髓腔定位杆通过髓腔狭部,然后使锁定件锁定分度座,确定截骨平面,分度座精度为1°,测量准确,分度座转动角度为±12°,适用性高,可调支架可连接远端截骨板,操作十分方便。
附图说明
为了使本实用新型的内容更容易被清楚的理解,下面根据的具体实施例并结合附图,对本实用新型作进一步详细的说明,其中
图1为本实用新型立体示意图;
图2为本实用新后视图;
图3为图2中A-A向剖视图;
图4为图2中B-B向剖视图。
具体实施方式
(实施例1)
见图1至图4,本实用新型具有本体1,本体1上设有可调支架2,中部转动连接分度座3,分度座3前部与本体1铰接,尾部设有定向齿31,分度座3上设有前后方向的通孔32,本体1上还设有锁定件4,锁定件4前后方向设置在本体1上,锁定件4与本体1之间设有弹簧5,锁定件4上设有与分度座3尾部定向齿31相配的锁定齿41;分度座3的分度精度为1°,即分度座3尾部转动一个齿的位置,分度座3转动1°,分度座3转动角度为±12°。

Claims (3)

1.一种髓腔定位器,其特征在于:具有本体(1),本体(1)上设有可调支架(2),中部转动连接分度座(3),分度座(3)前部与本体(1)铰接,尾部设有定向齿(31),分度座(3)上设有前后方向的通孔(32),本体(1)上还设有锁定件(4),锁定件(4)上设有与分度座(3)尾部定向齿(31)相配的锁定齿(41)。
2.根据权利要求1所述的髓腔定位器,其特征在于:所述锁定件(4)前后方向设置在本体(1)上,锁定件(4)与本体(1)之间设有弹簧(5)。
3.根据权利要求2所述的髓腔定位器,其特征在于:所述分度座(3)的分度精度为1°,即分度座(3)尾部转动一个齿的位置,分度座(3)转动1°,分度座(3)转动角度为±12°。
CN201020194037XU 2010-05-18 2010-05-18 髓腔定位器 Expired - Fee Related CN201701338U (zh)

Priority Applications (1)

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CN201020194037XU CN201701338U (zh) 2010-05-18 2010-05-18 髓腔定位器

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CN201020194037XU CN201701338U (zh) 2010-05-18 2010-05-18 髓腔定位器

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CN201701338U true CN201701338U (zh) 2011-01-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111803175A (zh) * 2020-08-10 2020-10-23 经纬医疗器材制造(深圳)有限公司 一种截骨定位工具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111803175A (zh) * 2020-08-10 2020-10-23 经纬医疗器材制造(深圳)有限公司 一种截骨定位工具
CN111803175B (zh) * 2020-08-10 2022-03-29 经纬医疗器材制造(深圳)有限公司 一种截骨定位工具

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: TRAUSON MEDICAL INSTRUMENT (CHINA) CO., LTD.

Free format text: FORMER NAME: TRAUSON MEDICAL INSTRUMENT (JIANGSU) CO., LTD.

CP03 Change of name, title or address

Address after: 213164 No. 9, Longmen Road, hi tech Industrial Development Zone, Jiangsu, Changzhou, Wujin

Patentee after: Trauson Medical Instrument (China) Company Limited

Address before: 213163 Renmin West Road, Niu Tong Town, Wujin District, Jiangsu, Changzhou

Patentee before: Trauson Medical Instrument (Jiangsu) Co., Ltd.

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Owner name: CHANGZHOU ORTHMED MEDICAL INSTRUMENT CO., LTD.

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Effective date: 20120428

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TR01 Transfer of patent right

Effective date of registration: 20120428

Address after: 213000 No. 177, Qinling Mountains Road, New District, Jiangsu, Changzhou

Patentee after: Changzhou Orthmed Medical Instrument Co., Ltd.

Address before: 213164 No. 9, Longmen Road, hi tech Industrial Development Zone, Jiangsu, Changzhou, Wujin

Patentee before: Trauson Medical Instrument (China) Company Limited

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110112

Termination date: 20190518