CN107174398A - Illuminant trocar for ophthalmology and application method thereof - Google Patents

Illuminant trocar for ophthalmology and application method thereof Download PDF

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Publication number
CN107174398A
CN107174398A CN201710388692.5A CN201710388692A CN107174398A CN 107174398 A CN107174398 A CN 107174398A CN 201710388692 A CN201710388692 A CN 201710388692A CN 107174398 A CN107174398 A CN 107174398A
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China
Prior art keywords
needle
trocar
tube
fiber
front end
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CN201710388692.5A
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Chinese (zh)
Inventor
王宁利
王怀洲
陈霄雅
辛晨
田洁
赵士勇
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天津优视眼科技术有限公司
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Priority to CN201710388692.5A priority Critical patent/CN107174398A/en
Publication of CN107174398A publication Critical patent/CN107174398A/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007Methods or devices for eye surgery

Abstract

The invention relates to an illuminant trocar for ophthalmology and an application method thereof. The illuminant trocar comprises an SC connector, a fiber-optic catheter, a canula, a needle tube, a needle head, a positioning rubber plug, a limiting tube and a needle head protecting cap; the illuminant trocar is characterized in that the back end of the fiber-optic catheter is connected with the SC connector, the front end of the fiber-optic catheter is fixed in the canula, the canula is inserted into the needle tube, the positioning rubber plug is arranged between the needle tube and the canula, the limiting tube is arranged at the front end of a tube cavity of the needle tube, the front end of the needle tube is connected with the needle head, and the needle head protecting cap is arranged at the front end of the needle head. The illuminant trocar for ophthalmology provided by the invention can accurately and stably cross a suture over the position of a damaged Schlemm tube, and provides a novel therapeutic scheme for patients with primary open-angle glaucoma (POAG) and having a failed filtration operation in the past.

Description

一种眼科发光套管针及其使用方法 An ophthalmic emitting trocar and method of use

技术领域 FIELD

[0001]本发明涉及套管针领域,尤其涉及一种眼科发光套管针及其使用方法。 [0001] The present invention relates to a trocar, and more particularly relates to a light emitting ophthalmic trocar and method of use.

背景技术 Background technique

[0002]既往滤过手术失败的原发性开角型青光眼(P0AG)患者,再次接受滤过手术,手术失败f比初次手术更筒,发生并发症,特别是危害视力的严重并发症可能性更大。 [0002] previous filtration surgery failed primary open-angle glaucoma (P0AG) patients, again accept the filtration surgery, surgery failed initial surgery more than f barrel, complications, particularly the possibility of harm is a serious complication of vision greater. 由于施莱姆氏S被破坏,无法7C成吊规非滤过泡依赖的粘小管成形术。 Since the Schlemm & apos apos S is destroyed, it can not stick to the small crane irregular non-7C bleb dependent angioplasty. 这类患者所占比例很高,如何降低眼压、挽救这些患者有限的视功能,成为当前亟需。 A high proportion of these patients, how to reduce intraocular pressure, save these patients with limited visual function, become urgent.

[0003]因此,研究出一种套管针技术,设计出新的手术方式将能解决以上问题。 [0003] Accordingly, trocar developed a technique to design a new surgical approach would solve the above problems.

[0004]发明专利内容本发明要解决的问题是提供一种眼科发光套管针及其使用方法,用于眼科介入手术中,成为一种安全有效的方法治疗既往滤过手术失败的原发性开角型青光眼(P0AG)患者。 [0004] The present patent disclosure problem to be solved is to provide a light emitting ophthalmic trocar and method of use, for ophthalmic surgery intervention, be a safe and effective method for treating primary filtration surgery failed previous open-angle glaucoma (P0AG) patients. [0005]实现上述目的的技术方案如下: 一种眼科发光套管针及其使用方法,包括SC接头,光纤导管,套管,针管,针头,定位胶^,限位管,针头护帽;所述光纤导管后端连接SC接头,光纤导管前端固定于套管内,所述套管插入针管中,所述针管与套管间设有定位胶塞,所述针管管腔前端设有限位管,所述针管前端连接针头,所述针头护帽设置在针头前端。 [0005] The technical solution to achieve the above object is as follows: An ophthalmic emitting trocar and method of use, include SC connectors, fiber optic catheter, cannula, needle, needle, positioning ^ gum, limiting tube, the needle shield; the the rear end of said optical conduit connecting SC connector, the optical fiber is fixed to the distal end of the catheter within the sleeve, the insertion needle cannula tube, between the tube and the needle cannula provided with a positioning stopper, the lumen of the needle distal tube has a limit, the said needle connected to a needle pipe end, the needle shield is provided at the front end of the needle.

[0006]所述针头为弧形针头。 [0006] The needles of the needle is arcuate.

[0007]所述针头由金属或高分子材料制成。 The [0007] needle made of a metal or a polymer material.

[0008]所述光纤导管内设有光纤,光纤导管前端的光纤延伸至针头前端。 [0008] The fiber optic catheter equipped with optical fibers, optical fiber extending to the distal end of the catheter needle distal end.

[0009]所述光纤前端为防损伤圆头结构。 [0009] To prevent the round distal end of the optical fiber structural damage.

[0010] 包括以下步骤: A •将套管针从巩膜瓣下入针,根据发光套管针前端光纤发出的闪烁光指示,沿施莱姆氏管走行方向在巩膜板层间走行; B•套管针针头从手术切开处穿出,向前推套管,使得针头内的光纤被推出针头,定位胶塞和光纤也5之向前移动,直至定位胶塞移动至限位管处,无法向前,光纤也不会继续被推出,至此光纤前端已被推出针头,光纤前端的圆头结构露出,光纤推出的距离即为定位胶塞移动的距离。 [0010] comprising the steps of: A • the trocar from the scleral flap into the needle, indicating light emitting scintillation light in accordance with the front end of the optical fiber trocar sent along the traveling direction of the Schlemm & apos venturi between the lamellar scleral traveling; B • piercing needle from the surgical trocar incision, pushing the sleeve forward, so that the optical fiber within the needle from the needle, and a positioning stopper of the optical fiber 5 also move forward, until the stopper to move the stopper positioned at the tube, not forward, the fiber will not continue to be launched, bringing fiber optic front end of the needle has been launched, round the tip of the fiber structure exposed fiber was introduced distance is the distance positioning stopper moves.

[0011] C•将缝线系在光纤的圆头结构上,二者衔接稳定后沿施莱姆氏管走行方向回退套管针,将缝线带出。 [0011] C • sutures tied round the optical fiber, both of the stable engagement of the trocar along Schlemm & apos backoff venturi traveling direction, out of the suture.

[0012]、本发明的有益效果:提供:种眼科发光套管针及其使用方法,该套管针的光纤发光技术可以在手术过程中实时指示套管针的位置,给医生提供了极大的便利,降低了手术风险;该套管针针头P弧形设置,有利于针头贴合组织的生理曲线进针,避免对组织的伤害;该套管针的光纤前端的圆头结构不仅防损伤,而且防止系于光纤的缝线脱落。 [0012], the beneficial effects of the present invention are: to provide: a light-emitting species ophthalmic trocar and method of use, the optical emission technique can be real-time indication of the trocar cannula needle position during the procedure, the doctor provides a great convenience, reducing the risk of surgery; trocar needle P of the arc is provided, beneficial physiological curve needle bonded tissue into the needle, to avoid tissue damage; round front end of the optical fiber only atraumatic needle cannula , based on the fiber and to prevent falling off of the suture.

附图说明LJ固1疋斗^灰明的—柙眼科发光套管针的结构示意图。 BRIEF DESCRIPTION OF ^ LJ solid ash hopper 1 Cloth Ming - schematic view of a light emitting pen ophthalmic trocar. _4]图中标号说明:1-光纤导管,2-SC接头3-套管针头,8-针头护帽,9-光纤,10—圆头,n_缝线。 4] FIG explained reference numeral: 1 to the optical fiber guide, 2-SC connectors 3- needle cannula, the needle shield 8-, 9- fiber, 10 round, of N_ suture. ,,疋錄塞,5-限位管,6-针管,7— 具体实施方式[0015] 实施例: 如图1所示,本发明的眼科发光套管针,包括sc接头2,光纤定位胶塞4,限位管5,针头护帽8。 Cloth ,, recorded plug, 5-stopper tube, needle 6-, 7- DETAILED DESCRIPTION [0015] Example: 1, the light emitting ophthalmic trocar of the present invention, comprising a joint 2 sc, plastic optical fiber positioning plug 4, the stopper tube 5, the needle shield 8. 目,套目3,针巨e,针头7, Head, head cover 3, E giant needle, the needle 7,

[0016]力述光纤导歡后端连齡[接头2,SG接头2与丨雛。 [0016] the force of said optical fiber guide Huan rear end connected age [linker 2, SG 2 linker and Shu child. 光纟传管擔端固中不奋官3内,套管3插入针管6中。 Si light transmission pipe is not excited solid-supported end 3 officer, the needle cannula 3 is inserted into the tube 6. 在针管6与套管3间设有定位胶塞彳,防止套管3在针管6内=^纤导管1内设有光纤9,光纤发触术在手术过程中实_示套管_位内置,&医生fe供了极大的便利,降低了手术风险。 In the sleeve 6 and the needle tube 3 has a positioning stopper left foot, to prevent the sleeve 3 within the needle tube 6 = 1 ^ catheter equipped with optical fiber 9, the optical fiber made contact during surgery operation shown by the solid sleeve _ _ built-bit , & amp; doctors fe for great convenience and reduce the risk of surgery. 光纤导管丨前端的光纤g延伸至针头了前纤^ 端为圆头10结构,不仅防损伤,而且防止系于光纤的缝线⑴兑落。 Shu optical fibers of the catheter tip of the needle extends to the g ^ front end of the fiber structure 10 is round, not only atraumatic, and the optical fiber line to prevent the suture ⑴ against falling. 针管g前端连接针头7针头7设为弧形,有利于针头7贴合组织的生理曲线进针,避免对组织的伤害。 G needle tip of the connecting needle 7 to the arcuate needle 7, needle beneficial physiological curve 7 SCO needle to prevent tissue damage. 针管6管腔前端设有限位管5,防止光纤9从针头7处被过度推出。 6 lumen tube distal end of the needle tube 5 has a limit, to prevent excessive fiber 9 is pushed out from the needle 7. 针头护帽8在运输过程中用于保护针头7 手术时,针头护帽8将被去除。 When the needle shield 8 for protecting the needle 7 during the transportation operation, the needle shield 8 is removed. ' '

[0017] 套管针用于的手术过程为:在既往小梁切除部位的颞侧,做以穹隆为基底的结膜瓣丨制作深浅两层巩膜瓣,暴露施莱姆氏管,并沿远离原手术瘢痕部位方向,将微导管插入至施莱姆氏管内走行至最远处,即既往手术损伤的施莱姆氏管断口处。 [0017] The procedure for trocar is: in previous parts of the temporal trabeculectomy, Shu conjunctival flap made at the base of the dome made deep and superficial scleral flap, exposing Schlemm & apos venturi, and a direction away from the original surgical scar site direction, the micro-catheter is inserted into the Schlemm & apos down to the farthest line of the venturi, i.e. the fracture of Schlemm & apos venturi previous surgery injury. 在此处放射状切开巩膜至施莱姆氏管,取出微导管,结扎缝线后,回撤微导管,边回撤边推注粘弹剂。 Here scleral incision into Schlemm & apos radial Venturi tube, remove the microcatheter, suture ligation, retracement microcatheter retracement side edge viscoelastic agent bolus. (A)将发光套管针从本次手术制作的巩膜瓣下入针,根据发光套管针前端光纤发出的闪烁光指示, 沿施莱姆氏管走行方向在巩膜板层间走行。 (A) emitting from the trocar scleral flap into this surgical needles produced according to the scintillation light emitting trocar distal optical indication sent along the traveling direction of the Schlemm & apos venturi between the lamellar scleral traveling. (B)套管针针头从手术切开处穿出,向前推套管,使得针头内的光纤被推出针头,定位胶塞和光纤也随之向前移动,直至定位胶塞移动至限位管处,无法向前,光纤也不会继续被推出,至此光纤前端已被推出针头,光纤前端的圆头结构露出,定位胶塞和限位管保证了光纤不会被过度推出,从而保证了光纤前端的稳定性,避免了光纤被折断。 (B) piercing needle from the surgical trocar incision, pushing the sleeve forward, so that the optical fiber within the needle from the needle, and fiber positioning stopper is also moved forward until the stopper to move the stopper positioned Management Office, not forward, the fiber will not continue to be launched, bringing fiber optic front end of the needle has been launched, round the tip of the fiber structure is exposed, and limit positioning stopper tube ensures that the fiber is not excessively introduced, thus ensuring stability of the distal end of the optical fiber, to avoid fibers being broken. 光纤推出的距离即为定位胶塞移动的距离“C)将缝线系在光纤的圆头结构上,二者衔接稳定后沿施莱姆氏管走行方向回退套管针,将缝线带出。张力性结扎缝线,密闭缝合巩膜瓣和结膜瓣。 Release is the optical distance from the positioning stopper moves "C) round the suture based on optical fiber, both of the stable engagement of the trocar along Schlemm & apos backoff traveling direction of the venturi, with the suture a. tension suture ligation, a closed sutured scleral flap and conjunctival flap.

[0018] 以上仅为本发明实施例的较佳实施例而已,并不用以限制本发明实施例,凡在本发明实施例的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明实施例的保护范围内。 [0018] The above embodiment of the present invention is merely the preferred embodiment of example only, and not intended to limit embodiments of the present invention, any modification within the spirit and principles of the embodiments of the present invention, equivalent replacements and improvements, It should be included in the protection scope of the embodiments of the present invention.

Claims (6)

1. 一种眼科发光套管针及其使用方法,包括sc接头,光纤导管,套管针& 胶塞,限位管,针头护帽;其特征在于:所述光纤导管后端连接SC接头,光纤导套管内,所述套管插入针管中,所述针管与套管间设有定位胶塞,所述针管管; 位管,所述针管前端连接针头,所述针头护帽设置在针头前端。 1. An ophthalmic emitting trocar and method of use, comprising sc linker, fiber catheter, trocar & amp; stopper, the stopper tube, the needle shield; wherein: the rear end of the optical fiber connector SC connector conduit , the fiber guide cannula insertion needle tube, the needle tube between the cannula and the positioning stopper is provided, said needle tube; bit pipe, the pipe end connected to a needle of the needle, the needle shield disposed in the needle front end.
2. 根据权利要求1所述的一种眼科发光套管针及其使用方法,其特征在于.所述针头为弧形针头。 2. An ophthalmic emitting trocar and method of use according to claim 1, characterized in that. The needle is curved needle. ' ' ''
3. 根据权利要求1所述的一种眼科发光套管针及其使用方法,其特征在金属或高分子材料制成。 3. An ophthalmic emitting trocar and method of use according to claim 1, wherein a metal or made of a polymer material.
4. 根据权利要求1所述的光纤导管,其特征在于:该光纤导管内设有光纤光纤导管端的光纤延伸至针头前端。 Fiber optic catheter according to claim 1, wherein: the optical fiber conduit of the catheter equipped with optical fibers extending into the needle end of the fiber front end. …一 …One
5. 根据权利要求1所述的一种眼科发光套管针及其使用方法,其特征在于.所述光纤前端为防损伤圆头结构。 5. An ophthalmic emitting trocar and method of use according to claim 1, characterized in that The front end of the optical fiber in order to prevent structural damage round. One
6. 根据权利要求1所述的一种眼科发光套管针及其使用方法,其特征在于:包括以下步骤: A •将套管针从巩膜瓣下入针,根据发光套管针前端光纤发出的闪烁光指示,沿施莱姆氏管走行方向在巩膜板层间走行; 、B•套管针针头从手术切开处穿出,向前推套管,使得针头内的光纤被推出针头,定位胶塞和光纤也^向前移动,直至定位胶塞移动至限位管处,无法向前,光纤也不会继续被推出,至此光纤前端已被推出针头,光纤前端的圆头结构露出,光纤推出的距离即为定位胶塞移动的距离; C •将缝线系在光纤酬头结构上,二者衔接稳定后沿施莱姆氏管走行方向回退套管针,将缝线带出。 6. An ophthalmic emitting trocar and method of use according to claim 1, characterized in that: comprising the steps of: A • from the trocar needle under the scleral flap distal trocar emits the light emitting optical fibers flashing light indication, along the traveling direction of Schlemm & apos venturi between the lamellar scleral traveling;, B • piercing needle from the surgical trocar incision, pushing the sleeve forward, so that the optical fiber within the needle from the needle, ^ positioning plugs and optical fibers to move forward until the tube is positioned at the stopper to move the stopper, not forward, optical fibers will not continue to be launched, the front end of the optical fiber has been so far from the needle, the distal end of the optical fiber is exposed round, Release is the optical distance from the positioning stopper moves; C • sutures paid based on the fiber head structure, after stabilization cohesion both backoff trocar row direction along Schlemm & apos venturi down the suture out .
CN201710388692.5A 2017-05-27 2017-05-27 Illuminant trocar for ophthalmology and application method thereof CN107174398A (en)

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Publication number Priority date Publication date Assignee Title
US3844272A (en) * 1969-02-14 1974-10-29 A Banko Surgical instruments
CN2285137Y (en) * 1996-12-09 1998-07-01 上海医科大学附属眼耳鼻喉科医院 Aqueous humor drainage device
EP1066085A4 (en) * 1998-03-23 2006-11-22 Univ Duke Light instrument, in particular for use in ophthalmologic microsurgery
CN2393513Y (en) * 1999-10-26 2000-08-30 苏州医疗器械总厂 Glaucoma decompressor
US7402158B2 (en) * 2000-04-07 2008-07-22 Synergetics, Inc. Directional laser probe
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