CN203425005U - 一种带有限位器的腹腔镜手术气腹针 - Google Patents

一种带有限位器的腹腔镜手术气腹针 Download PDF

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CN203425005U
CN203425005U CN201320526297.6U CN201320526297U CN203425005U CN 203425005 U CN203425005 U CN 203425005U CN 201320526297 U CN201320526297 U CN 201320526297U CN 203425005 U CN203425005 U CN 203425005U
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侯欣
汤顺娟
陈巍
徐毅
田宇
刘灿
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3474—Insufflating needles, e.g. Veress needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
    • A61B2017/3492—Means for supporting the trocar against the body or retaining the trocar inside the body against the outside of the body

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Abstract

本实用新型涉及一种带有限位器的腹腔镜手术气腹针，属医疗器械技术领域。它由针管、针管接头、气杆和气杆头构成，针管上活动套装有限位器，限位器由限位头、锁紧套管和锁紧螺母构成，限位头为一圆柱体，限位头上固装有锁紧套管，限位头的中心部位设有通孔，通孔与限锁紧套管连通；锁紧套管上设有外螺纹，锁紧螺母螺纹安装在锁紧套管上，锁紧套管上纵向状设置有V型锁紧槽。本实用新型通过针管上套装的限位器可有效控制穿刺深度，从而可避免因穿刺力度难于掌控，穿刺深度过大对患者造成的损伤，有效提高了手术的安全性。

Description

一种带有限位器的腹腔镜手术气腹针
技术领域
本实用新型涉及一种带有限位器的腹腔镜手术气腹针，属医疗器械技术领域。 
背景技术
近年来，腹腔镜手术已广泛应用到临床，通常情况下的腹腔镜手术是在人工气腹条件下进行的，手术过程中穿刺所使用的气腹针，由于患者体质的差异和穿刺操作者技术的娴熟度不同，往往使穿刺过程中的穿刺力度很难掌控，穿刺度达不到腹腔镜手术的穿刺要求，这一现象特别是在患者建立气腹后的盲穿，因不能确定腹腔内的情况(尤其是有腹腔手术史或肠梗阻的患者)下更为突出，稍有不慎极易对患者造成损伤。 
发明内容
本实用新型的目的在于：提供一种结构简单，使用方便，可有效控制穿刺深度，避免因穿刺深度过大对患者造成损伤的带有限位器的腹腔镜手术气腹针。 
本实用新型的技术方案是： 
一种带有限位器的腹腔镜手术气腹针，它由针管、针管接头、气杆和气杆头构成，针管与针管接头为一体，气杆顶端固装有气杆头，气杆套装在针管内，气杆头与针管接头螺纹连接，其特征在于：针管上活动套装有限位器，所述的限位器由限位头、锁紧套管和锁紧螺母构成，限 位头为一圆柱体，限位头上固装有锁紧套管，限位头的中心部位设有通孔，通孔与限锁紧套管连通；锁紧套管上设有外螺纹，锁紧螺母螺纹安装在锁紧套管上，所述的锁紧套管上纵向状设置有V型锁紧槽，所述的针管上设有刻度值。 
本实用新型的优点在于： 
该带有限位器的腹腔镜手术气腹针结构简单，使用方便，手术过程中，通过针管上套装的限位器可有效控制穿刺深度，从而可避免因穿刺力度难于掌控，穿刺深度过大对患者造成的损伤，有效提高了手术的安全性。该腹腔镜手术气腹针上的限位器采用所料材质制作，具有安装拆卸方便的特点，为穿刺的准确性提供了保证。 
附图说明
图1为本实用新型的结构示意图； 
图2为本实用新型的限位器的分解示意图。 
图中：1、针管，2、针管接头，3、气杆，4、气杆头，5、限位头，6、锁紧套管，7、锁紧螺母，8、外螺纹，9、通孔，10、V型锁紧槽，11、刻度值。 
具体实施方式
该带有限位器的腹腔镜手术气腹针由针管1、针管接头2、气杆3和气杆头4构成，针管1与针管接头2为一体，气杆3顶端固装有气杆头4，气杆3套装在针管1内，气杆头4与针管接头2螺纹连接；针管1上活动套装有限位器。限位器由限位头5、锁紧套管6和锁紧螺母7构成，限位头5为一圆柱体，限位头5上固装有锁紧套管6，限位头5的中心 部位设有通孔9，通孔9与限锁紧套管6连通。 
锁紧套管6上设有外螺纹8，锁紧螺母7螺纹安装在锁紧套管6上，锁紧套管6上纵向状设置有V型锁紧槽10。 
该带有限位器的腹腔镜手术气腹针使用时，首先通过腹部彩超确定好患者的腹壁厚度，然后依据针管1上的刻度值11，将限位器通过通孔9套装在针管1上，并通过旋转锁紧螺母7使其固定即可。该腹腔镜手术气腹针的限位器采用所料材质制作，同时由于V型锁紧槽10的结构原因，固定安装在针管1的过程中，随着锁紧螺母7的转动，V型锁紧槽10逐步合拢，从而逐步将针管1抱紧，最终达到固定的目的。 
手术过程中，由于限位头5的阻挡作用，可有效控制气腹针的穿刺深度，从而可避免因穿刺力度难于掌控，穿刺深度过大对患者造成的损伤，有效提高了手术的安全性。 

Claims (1)

1.一种带有限位器的腹腔镜手术气腹针，它由针管(1)、针管接头(2)、气杆(3)和气杆头(4)构成，针管(1)与针管接头(2)为一体，气杆(3)顶端固装有气杆头(4)，气杆(3)套装在针管(1)内，气杆头(4)与针管接头(2)螺纹连接，其特征在于：针管(1)上活动套装有限位器，所述的限位器由限位头(5)、锁紧套管(6)和锁紧螺母(7)构成，限位头(5)为一圆柱体，限位头(5)上固装有锁紧套管(6)，限位头(5)的中心部位设有通孔(9)，通孔(9)与限锁紧套管(6)连通；锁紧套管(6)上设有外螺纹(8)，锁紧螺母(7)螺纹安装在锁紧套管(6)上，所述的锁紧套管(6)上纵向状设置有V型锁紧槽(10)，所述的针管(1)上设有刻度值(11)。
CN201320526297.6U 2013-08-19 2013-08-19 一种带有限位器的腹腔镜手术气腹针 Expired - Fee Related CN203425005U (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018085706A1 (en) * 2016-11-04 2018-05-11 The Arizona Board Of Regents On Behalf Of The University Of Arizona Modified veress needle assembly for tension pneumothorax decompression
US10736663B2 (en) 2013-03-01 2020-08-11 The Arizona Board Of Regents On Behalf Of The University Of Arizona Modified veress needle for tension pneumothorax decompression
IT202200004880A1 (it) * 2022-03-14 2023-09-14 Gicastart S R L Ago per laparoscopia con regolazione della corsa
CN117426844A (zh) * 2023-11-07 2024-01-23 赛诺威盛医疗科技(扬州)有限公司 穿刺针进针装置及穿刺机器人

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10736663B2 (en) 2013-03-01 2020-08-11 The Arizona Board Of Regents On Behalf Of The University Of Arizona Modified veress needle for tension pneumothorax decompression
WO2018085706A1 (en) * 2016-11-04 2018-05-11 The Arizona Board Of Regents On Behalf Of The University Of Arizona Modified veress needle assembly for tension pneumothorax decompression
US11033665B2 (en) 2016-11-04 2021-06-15 The Arizona Board Of Regents On Behalf Of The University Of Arizona Modified veress needle assembly for tension pneumothorax decompression
IT202200004880A1 (it) * 2022-03-14 2023-09-14 Gicastart S R L Ago per laparoscopia con regolazione della corsa
CN117426844A (zh) * 2023-11-07 2024-01-23 赛诺威盛医疗科技(扬州)有限公司 穿刺针进针装置及穿刺机器人

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