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CN102824231B - Mechanical suture type artificial heart valve and suture method thereof - Google Patents

Mechanical suture type artificial heart valve and suture method thereof Download PDF

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Publication number
CN102824231B
CN102824231B CN 201210348111 CN201210348111A CN102824231B CN 102824231 B CN102824231 B CN 102824231B CN 201210348111 CN201210348111 CN 201210348111 CN 201210348111 A CN201210348111 A CN 201210348111A CN 102824231 B CN102824231 B CN 102824231B
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suture
heart
method
type
valve
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CN 201210348111
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Chinese (zh)
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CN102824231A (en )
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马增山
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马增山
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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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/24Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices
    • A61F2/2409Support rings therefor, e.g. for connecting valves to tissue

Abstract

一种机械缝合式人造心脏瓣膜及其缝合方法,人造心脏瓣膜的缝合瓣环(10)以塑料瓣环(13)为支架,凹凸套环(14)套装塑料瓣环(13),外缘包裹绦纶环套(15);机械瓣膜的金属瓣环(11)内孔(K)架设金属瓣叶(12)。 A mechanical artificial heart valve and suture suture, artificial heart valve annulus suture (10) to a plastic annulus (13) is a stent, irregularities collar (14) Set plastic annulus (13), the outer edge of the parcel Dacron collar (15); a metal mechanical valve annulus (11) within the bore (K) erection metal flap (12). 机械缝合装置装设在管型吻合器(4)的前端,将缝合瓣环(10)置放在组合圆盘底砧托(7)的圆盘外缘,内缘套装塑料瓣环(13)和绦纶环套(15)。 Mechanical means is provided in the pipe end stapling stapler (4) of the suture annulus (10) disposed on the outer edge of the disk tray anvil combination disc (7), the inner edge of the annulus plastic package (13) and Dacron collar (15). 安放组合圆盘底砧托(7)后进行初步缝合,切除定位缝合是:推动环筒刀(9)将缝合瓣环(10)中孔内圈套的病变二尖瓣膜(Q)切除;针钉(17)将缝合瓣环(10)与心室(R)缝合在一起;取出组合圆盘底砧托(7);然后套接机械瓣膜与缝合瓣环(10)。 After initial placement suture combination anvil holder disc (7), positioning the suture is cut: cylindrical push ring blade (9) the suture annulus (10) in the snare hole mitral lesion (Q) removed; stapling (17) the suture annulus (10) and ventricular (R) sewn together; the anvil taken care compositions disc (7); and socket mechanical heart valve annulus with sutures (10). 本发明定位准确,缝合质量好,效率高,手术成功率高。 Accurate positioning of the present invention, suture good quality, high efficiency, high rate of successful operation. 减轻患者伤痛。 Reduce patient pain.

Description

一种机械缝合式人造心脏瓣膜及其缝合方法 A mechanical artificial heart valve and suture suture

技术领域 FIELD

[0001] 本发明涉及治疗心脏二尖瓣病变的器具及方法,尤其涉及人造心脏瓣膜及其使用方法。 [0001] The present invention relates to apparatus and method for treating mitral disease, in particular, it relates to an artificial heart valve and method of use.

背景技术 Background technique

[0002]目前国内外医学临床治疗心脏二尖瓣病变的常用方法是二尖瓣置换(即置换人工心脏瓣膜),二尖瓣置换的器具和方法,常用的是手术开刀,将带绦纶缝合环的人造心脏瓣膜置入心脏,进行手工缝合。 [0002] Current clinical medicine at home and abroad common method of treatment of cardiac mitral valve disease is mitral valve replacement (ie replacement artificial heart valve), equipment, and procedures mitral valve replacement, commonly used surgery is surgery that will take Dacron suture artificial heart valve rings into the heart, manual stitching. 在应用过程中,首先建立体外循环系统,把回心脏的低氧静脉血引流入人工心肺机,通过人工心肺机的肺氧合使静脉血变为高氧的动脉血,再由人工心脏把动脉血打入主动脉,将心脏旷置出来,使心脏内无血液,然后剖开心脏进行心脏手术,同时保持全身的血液循环。 In the application process, first establish cardiopulmonary bypass system, the blood back to the heart lead into the hypoxic lung machine, artificial heart-lung machine by oxygenation of blood becomes so high arterial blood oxygen, the artificial heart and then the artery blood into the aorta, the heart out of exclusion, so that no blood in the heart, then the heart is cut open heart surgery, while maintaining the body's blood circulation. 心脏在心脏保护液注入升主动脉根部,使心脏停跳,然后切开右心房、房间隔,将病变的心脏二尖瓣膜切除,在原位通过人工连续或间断缝合人造心脏瓣膜的绦纶环和心脏瓣膜切除后的瓣环和残余部分瓣膜。 Heart implantation in the heart aortic root protection liquid, so cardiac arrest, and then cut right atrium, atrial septum, the diseased mitral valve excised heart, artificial in situ by continuous or interrupted sutures of Dacron artificial heart valve ring annulus after excision and heart valves and the valve stub. 缝合完毕后,需要缝合房间隔和心房切口,然后恢复供血,心脏复跳,撤除体外循环机,恢复心脏泵血功能。 After completion of suturing, stapling need atrium and the atrial septum, and then restore the blood, cardiac resuscitation, removal of cardiopulmonary bypass machine, restore heart function. 这种手术方式虽然能够有效实施心脏二尖瓣置换,但存在以下不足:心脏瓣膜切除不整齐,手工缝合的针距和边距不均匀,缝合边缘受力不均等,手术缝合时间长:一旦人造心脏瓣膜失功,二次换瓣手术复杂,增加患者的痛苦和经济负担。 Although this can be an effective surgical replacement mitral valve embodiments, but the following disadvantages: removal of irregular heart valve, suture needle pitch and hand margin uneven edge discontinuity equalization suture, surgical suture for a long time: Once the artificial heart valve dysfunction, secondary valve replacement surgery complex, increased suffering and economic burden of patients.

发明内容 SUMMARY

[0003] 本发明的目的,就是提供一种新结构的人造心脏瓣膜,改进心脏二尖瓣置换的方法,采用机械缝合方式进行人造心脏瓣膜与心脏的缝合,操作方便,安全可靠,缝合针距、边距均匀,受力均等,缩短手术时间,提高手术成功率,二次换瓣手术简单,减轻患者的痛苦和经济负担,应用范围广泛,易于推广。 [0003] The object of the present invention is to provide an artificial heart valve, a new structure, a method of improving mitral valve replacement, mechanical stitching an artificial heart valve to the heart for sewing, easy to operate, safe and reliable, from the needle , margins even, equal force, shorten the operation time, improve the success rate, the second valve replacement surgery is simple, to reduce the suffering and economic burden of patients, wide range of applications, easy to spread.

[0004] 本发明的任务是这样完成的:设计一种人工机械瓣膜缝合装置机械缝合式人造心脏瓣膜,人造心脏瓣膜包括缝合瓣环、机械瓣膜,与机械缝合装置相配合,缝合瓣环由塑料瓣环、凹凸套环、绦纶环套组成,机械瓣膜由金属瓣环、金属瓣叶组装而成,缝合瓣环以塑料瓣环为支架,记忆合金制成的凹凸套环套装在塑料瓣环外缘,绦纶环套内衬乳胶环,将塑料瓣环和凹凸套环包裹在内,塑料瓣环的圆周环面上间隔均匀开有若干个矩型孔,凹凸套环向内凸出的各段由塑料瓣环外缘镶嵌在矩型孔内,靠近心室一侧的端面内缘带有卡边,机械瓣膜的金属瓣环与金属瓣叶采用碳合金制成,金属瓣叶为两瓣半圆形叶片,两端各设有短瓣叶轴,架设在金属瓣环外端面的内孔壁凹槽上,金属瓣叶的半圆形叶片活动装设在瓣叶轴上,金属瓣环的圆周面外圈开有环形槽 [0004] The object of the invention is accomplished by: designing a mechanical heart valve prostheses mechanically sewn suturing an artificial heart valve, artificial heart valve annulus comprising a suture, a mechanical valve, cooperates with a mechanical suturing device, suturing the annulus of plastic annulus irregularities collar, Dacron collar composed of a metal mechanical valve annulus, valve leaflets assembled from metal, plastic annulus suture ring to the valve holder, the concavo-convex set collar ring made of a shape memory alloy plastic flap an outer edge, Dacron cuff ring latex liner, and a plastic convex annulus collar encased circumferential surface of a plastic ring annulus evenly spaced apart with a plurality of rectangular holes, convex inwardly projecting collar ring segments embedded in the outer edge of the flap from a plastic rectangular hole close to the inner end surface of the ventricular side of the card edge with the edge of a metal mechanical valve annulus and valve leaflets made of a metal alloy of carbon, metals as two leaflets semicircular blade, both ends of each leaflet has a short shaft erected on the inner hole wall notch end surface of the outer metal annulus, semicircular leaflets movable metal blade mounted on the flap shaft, the circumference of the metal annulus the outer surface of an annular groove opening 靠近心室一侧的端面环孔内缘带有卡边,机械缝合装置包括针钉仓组件、组合圆盘底砧托,针钉仓组件由带端面钉砧的针钉仓、针钉、环筒刀组成,装设在管型吻合器的针钉仓联接管前端。 Rings with hole edges near the ventricular side of the card edge with a mechanical suturing device includes a needle cartridge assembly, the anvil combination disc tray, the needle cartridge assembly by a cartridge belt end surface stapling anvil and stapling, the cartridge ring knife composition, stapling cartridge mounted in the front end of the tubular pipe coupling stapler. 机械缝合式人造心脏瓣膜,针钉仓组件的针钉仓为圆筒状夹层套筒,尾端外带螺纹与针钉仓联接管的内螺孔配装,中孔内套装环筒刀,环筒刀为筒状薄壁刀,尾端与环筒刀推进器连接,针钉仓端部的端面钉站为环绕中心孔的法兰盘形,端面钉砧圆周平面上间隔均匀开有若干个轴向出钉口,内装针钉,每个出钉口外缘对应开有两个径向针钉轨迹槽。 Mechanical sewn artificial heart valve, the needle cartridge needle cartridge assembly for a cylindrical sandwich of the sleeve, the trailing end of the outer band is fitted within the screw threaded cartridge coupling with the needle tube, the annular cylindrical bore knife set, ring thin-walled cylindrical knife blade is a cylindrical, annular cylindrical trailing end pusher blade connector, the end faces station staple cartridge to surround the end portion of the center hole of the needle flange-shaped, evenly spaced apart on the end surface of the anvil has a plurality of circumferential plane an axial outlet nails, stapling built, each corresponding to an outer edge of the staple outlet opening has two radially stapling track groove. 组合圆盘底砧托为底砧托分装件拼合组成的圆盘状底托,中心为垂直的托柄,自托柄圆心向圆盘状底托的外缘径向均匀分为六块底砧托分装件,每块底砧托分装件的圆心夹角为60°,圆盘边沿上面均匀开有若干条径向缝合轨迹槽。 A combination of the disc tray anvil anvil bracket dispensing member composed of a disk-shaped piece shoe, radially outer edge of the vertical center of the handle bracket, handle bracket from the center of a disk-shaped shoe bottom uniformly divided into six tray dispensing anvil member, the anvil center angle of each dispensing tray member is 60 °, a uniform top rim disc provided with a number of radial suture groove track. 机械缝合式人造心脏瓣膜的缝合方法采用人造心脏瓣膜缝合在心室上替代心脏二尖瓣,缝合时与机械缝合装置配合应用,将缝合瓣环置放在组合圆盘底砧托的圆盘内缘,圆盘内缘套装缝合瓣环的塑料瓣环,使绦纶环套的圆形扇边缘覆套卡装在组合圆盘底砧托的圆盘边沿上面,针钉仓装设在管型吻合器的针钉仓联接管前端,环筒刀推进器与推钉器连接,环筒刀推进器推动环筒刀与针钉同步动作,按照机械缝合步骤将缝合瓣环缝合在心室上,再将机械瓣膜套合在缝合瓣环上,缝合步骤为:安放组合圆盘底砧托进行初步缝合;吻合切除病变二尖瓣膜进行定位缝合;取出组合圆盘底砧托;套接机械瓣膜与缝合瓣环。 Mechanical suture sewn using an artificial heart valve prosthetic heart valve sewing substitute mitral valve in the ventricle, with the application of mechanical suturing device suturing the annulus suture combination disc disposed within the anvil bracket disc edge plastic inner disk edge flap annulus suture ring suit the Dacron collar overlying circular edge Taoka fan mounted in the anvil bracket combination disc disc rim above, stapling cartridge mounted in the stapler tube coupling staple cartridge needle distal tube, and the annular cylindrical knife pushes the staple pusher is connected, annular cylindrical push ring pusher cutter knife and the stapling cylinder synchronous action according to the mechanical step of suturing the annulus suture sewn on ventricle, and then fit the mechanical valve in the annulus suture, suture the steps of: mounting a combination of a disc tray preliminary stapling anvil; diseased mitral valve excised anastomosis stapling positioning; taken care compositions disc anvil; and socket mechanical valve flap sutured ring. 安放组合圆盘底砧托进行初步缝合步骤的操作过程是:先切断心室的腱索,组合圆盘底砧托套在缝合瓣环上,托柄伸入针钉仓中孔内的托柄箍内,由卡簧固定,圆盘状底托放入心室内,将病变二尖瓣膜腱索残端缝扎在托柄上,转动管型吻合器后端的旋钮,使管型吻合器内腔中的托柄箍拉杆拉动组合圆盘底砧托向针钉仓靠拢,轻握管型吻合器的活动手柄,使推钉器推动针钉穿过心室的边缘和缝合瓣环,进入组合圆盘底砧托圆盘边缘的缝合轨迹槽,针钉的针脚伸出缝合轨迹槽外缘后向内折返,再次进入心室切缘。 During operation a combination of a disc mounted anvil bracket preliminary stitching step are: first cutting tendons ventricle, the combination disc on the anvil bracket suture sleeve annulus, holder shank extending into the ferrule holder shank bore stapling cartridge inside, the retaining spring, into a disk-shaped shoe intraventricular, diseased mitral chordae suture stump handle on the carrier, the rear end of the rotatable tube stapler knob stapler of the tube lumen pulling the lever handle cuff Tropsch composition anvil disc cartridge holder to move closer to the needle, the tubular Qingwo stapler movable handle, so that pushing the staple pusher stapling and stitching edges of the ventricle through the annulus into the disc substrate combination suture track groove of an anvil edge of the disk tray, stapling suturing pins extending inwardly folded outer edge of the track groove, the cutting edge again into the ventricle. 吻合切除病变二尖瓣膜进行定位缝合步骤的操作过程是:轻握管型吻合器的活动手柄,环筒刀推进器缓慢推动环筒刀向前,调整到预定间隔位置后,握紧管型吻合器的活动手柄顶触固定手柄,使环筒刀推进器加力推动环筒刀快速向前凸出,进行吻切,将缝合瓣环中孔内圈套的病变二尖瓣膜切除,针钉的针脚向后折返至极限位置,将缝合瓣环与心室缝合在一起。 During operation the removal of diseased mitral anastomosis stapling positioning step is: Qingwo tube type stapler movable handle, annular cylindrical knife pusher slowly push the annular cylindrical knife forward, adjusted to a predetermined spaced position, the tube gripping stapler the movable handle is a fixed handle top contact the annular cylindrical push ring urging the pusher blade knife cylinder protrudes forward quickly, for kiss cutting, the suture snare hole annulus of the mitral valve excised lesion, stapling pins rearwardly folded position to the limit, the ventricular ring flap sewn stitched together. 取出组合圆盘底砧托步骤的操作过程是:松开活动手柄,反向转动管型吻合器后端的旋钮,使针钉仓中孔内的托柄箍向后回缩与组合圆盘底砧托松开、脱离,管型吻合器通过刀口退出患者体外,组合圆盘底砧托的底砧托分装件自然散开分成六瓣,然后将底砧托分装件由缝合瓣环的中孔内逐瓣分别取出。 During operation the disc anvil taken care compositions are step: release of movable handle, the reverse rotation of the rear end of the tubular knob stapling the ferrule holder shank bore needle rearwardly staple cartridge in combination with retraction of the disc anvil Tuosong open, disengaged from the pipe through the edge stapler exit outside the patient, the anvil combination disc tray Torr dispensing anvil member NATURAL spread into six, and the anvil bracket dispensing member ring by suturing the flap They were taken by valve bore. 套接机械瓣膜与缝合瓣环步骤的操作过程是:用持瓣器将机械瓣膜向前平推,嵌入缝合瓣环内圈的塑料瓣环的中孔内,转动调整机械瓣膜的金属瓣环的镶嵌位置,确定合适位置后,切断持瓣器上的束瓣线,将持瓣器退出体外,使心脏恢复供血,温度回升至34°C以上,记忆合金制成的凹凸套环自动变形,各段向内凸出部位伸出塑料瓣环上相对应的各个矩型孔,嵌入金属瓣环的圆周面外圈环形槽,将缝合瓣环与机械瓣膜紧密套合连接为一体,然后对手术刀口实施缝合。 Socket mechanical valve annulus during suturing operation step is: mechanical valve holder flap will push forward the flat, the inner bore of the annulus suture embedded plastic annulus, rotational adjustment of the metal mechanical valve annulus inlaid position, determining the proper position on the cutting wire holding bundles flap valve, a valve to exit the holder body, to restore blood supply to the heart, the temperature rose to above 34 ° C, irregularities made of memory alloy collar automatic deformation, each inwardly projecting portion of each segment projecting plastic filling holes corresponding to the annulus, the outer circumferential surface of the annular groove is embedded a metal annulus, the suture with a mechanical valve annulus closely fittable integrally connected, then port scalpel embodiment suture.

[0005] 实际操作时,机械瓣膜与缝合瓣环在低于34°C温度环境下装配,凹凸套环采用温度记忆合金制作,34°C以上时,凹凸套环向内的凸起弓背套入矩型孔,34°C以下时,凹凸套环的凸起弓背自动回缩遮蔽在矩型孔外面。 [0005] In actual operation, the suture mechanical valve fitted in the annulus below 34 ° C temperature environment, temperature irregularities collar memory alloy making use of, 34 ° C or higher, unevenness collar sleeve inwardly arched projection into the rectangular hole, when 34 ° C or less, irregularities sleeve projection arched shield ring automatic retraction outside rectangular hole. 34°C以下温度实施装配时,塑料瓣环的心室缘有卡边阻隔住机械瓣膜的金属瓣环,使凹凸套环正对准金属瓣环外圈中间的环形槽。 Temperatures below 34 ° C when assembled embodiment, ventricular annulus plastic edges are live card edge barrier metal mechanical valve annulus so that n-aligned metal collar irregularities annulus intermediate the outer annular groove. 温度升至34°C以上时,凹凸套环恢复原形,凸出部位伸入塑料瓣环矩型孔内面,凹凸套环卡住金属瓣环外圆周面中间的环形槽,套装配合后可相对旋转,调整瓣膜开口方向。 When the temperature rises above 34 ° C, uneven collar return to their original, protruding parts extending into rectangular plastic annulus bore surface irregularities jammed collar intermediate metal annulus outer circumferential surface of the annular groove, the relatively rotatable with the package adjusting the valve opening direction. 组合圆盘底砧托的中间托柄为长棱体,缝合槽为半圆形,槽与底砧托外缘相交,针钉穿过二尖瓣环,缝合槽截面为三棱凹槽,针钉截面为菱形,防止针钉变轨迹时改变方向。 A combination disc anvil Torr intermediate tray handle long prism, suture groove is a semicircular groove intersects the outer edge of the anvil bracket, stapling through the mitral valve annulus, suture groove of triangular cross-section groove, the needle nail rhombic cross-section, to prevent changing direction stapling varying trajectory. 配套的管形吻合器前端装设针钉仓组件,与心脏二尖瓣吻合时,由环筒刀在缝合瓣环内切缘切除多余瓣膜组织,吻合口径一致,人造瓣膜与心脏二尖瓣环对合整齐,吻合牢固可靠。 Supporting the front end of the tubular stapler mounting the needle cartridge assembly, and mitral anastomosis, the annular cylindrical knife within the annulus suture removal of excess margin valve tissue, consistent caliber anastomosis, prosthetic valve and mitral valve annulus involution tidy, solid and reliable fit. 若人造瓣膜失功,可通过手术降低心脏温度简单取出,然后置入新的人造心脏瓣膜,置入过程同第一次置入。 If the artificial valve dysfunction, the temperature can be lowered simply withdrawn through cardiac surgery, and then inserting the new artificial heart valve, the first implantation process into the same. 简化了再次换瓣的过程,减少了病人痛苦,提高成功率。 Simplifies the process of re-valve replacement, reduce patient suffering, improve the success rate.

[0006] 本发明结构合理、方法得当,采用机械式缝合取代手工缝合,定位准确,针距、边距均匀,受力均等,操作方便,安全可靠,机械器具吻合、切除同时进行,缝合同位实施,能够提高缝合手术成功率,缩短手术时间,减少对病人身体的损害。 [0006] The rational of the present invention, the structure, the right way, the use of mechanical suturing substituted hand stitching, positioning accuracy, pitch, margin uniformly, equal force, easy to operate, reliable, mechanical appliances anastomosis resection simultaneously, sewing contract bits embodiment can improve the success rate of the surgical suture, shorten the operation time, reduce the damage to the patient's body. 再次换瓣过程简单,手术创口小,适用于微创及全胸腔镜下进行心脏手术,质量好,效率高,易于推广应用,较好地达到了预定目的。 Again valve replacement process is simple, small surgical wound, apply to the whole and minimally invasive thoracoscopic cardiac surgery, good quality, high efficiency, ease of application, to better achieve the intended purpose.

附图说明 BRIEF DESCRIPTION

[0007] 图1是本发明的针钉仓组件在管型吻合器4上的安装位置图; [0007] FIG. 1 is a needle cartridge assembly of the invention mounted in position on the tube of FIG. 4 stapler;

[0008] 图2是针钉仓8与环筒刀9结构示意图; [0008] FIG. 2 is a schematic view of a needle cartridge 8 and the ring tube 9 knife structure;

[0009] 图3是缝合瓣环10与机械瓣膜配装示意图; [0009] FIG. 3 is a suture 10 with a mechanical valve annulus fitted schematic;

[0010] 图4是图3的剖面示意图; [0010] FIG. 4 is a schematic cross-sectional view of FIG 3;

[0011] 图5是图3的缝合瓣环10与金属瓣环11拆分示意图; [0011] FIG. 5 is a schematic diagram of the split 11 of the suture ring 3 the valve annulus 10 and the metal;

[0012] 图6是金属瓣环11、塑料瓣环13与凹凸套环14拆分结构示意图; [0012] FIG. 6 is a metal annulus 11, a schematic view of a plastic split annulus 14 and the concavo-convex structure of the collar 13;

[0013] 图7是图6的金属瓣环11、塑料瓣环13与凹凸套环14套装组合的半剖示意图; [0013] FIG. 7 is a view of the metal ring 11 of the valve 6, the annulus 13 and the plastic half-ring 14 a cross-sectional schematic view of a combination package sleeve irregularities;

[0014] 图8是组合圆盘底砧托7的底砧托分装件N的结构示意图; [0014] FIG. 8 is a combination of the disc holder 7 of the anvil the anvil bracket structure diagram of N dispensing member;

[0015] 图9是底砧托分装件N与针钉17配装示意图; [0015] FIG. 9 is a bottom anvil member mounted bracket dispensing schematic nail 17 with the needle N;

[0016] 图10是本发明应用于心脏手术时待切除状态的剖面示意图; [0016] FIG. 10 is a schematic cross-sectional view of the state to be excised according to the present invention is applied to the heart during surgery;

[0017] 图11是图10对病变二尖瓣膜Q进行切除的剖面示意图。 [0017] FIG. 11 FIG. 10 is a diseased mitral valve excised Q is a schematic cross-sectional view.

[0018] 图中,I一旋钮,2一固定手柄,3—活动手柄,4一管型吻合器,5一弯管,6—针钉仓联接管,7—组合圆盘底砧托,8—针钉仓,9一环筒刀,10—缝合瓣环,11一金属瓣环,12—金属瓣叶,13—塑料瓣环,14 一凹凸套环,15—绦纶环套,16—乳胶环,17—针钉,18—定位套,19一托柄植;P—端面钉站',D —中孔,C一针钉轨迹槽,V —出钉口,K一内孔,F—矩型孔,W—环形槽,X—缝合线孔,B—托柄,J一缝合轨迹槽,N—底砧托分装件,R—心室,H—卡簧,T-环筒刀推进器,E—推钉器,Q—病变二尖瓣膜,L一束瓣线,Z—托柄箍拉杆。 [0018] FIG., The I a knob, a stationary handle 2, a movable handle 3-, 4 a stapler, a bend 5, 6-pin cartridge coupling tube 7-anvil combination disc tray, 8 - stapling cartridge, an annular cylindrical knife 9, 10- annulus suture, a metal annulus 11, 12 leaflets metal, plastic 13- annulus, a convex collar 14, collar 15 Dacron, 16- latex ring, 17 stapling, positioning sleeve 18, a holder handle 19 explants; the P-end surface of the staple station ', D - mesoporous, C stapling a groove track, V - the staple outlet, K is a bore, F - rectangular holes, W- annular groove, X- suture hole, B- holder shank, J a suture groove track, N- anvil bracket attachments points, R- ventricle, H- circlip, T- cylindrical cutter ring pusher, E- pushing nails, Q- mitral valve disease, L bundle of flap line, Z- ferrule holder lever handle.

具体实施方式 detailed description

[0019] 下面结合附图对本发明的具体实施加以说明。 [0019] will be described below with reference to the specific embodiments of the present invention.

[0020] 参阅图1,本发明的机械缝合装置与现有缝合胃部创孔用的管型吻合器4配合应用。 [0020] Referring to Figure 1, a mechanical suturing device of the present invention with conventional invasive gastric suture hole 4 stapler tube with the application. 管型吻合器4的主体部位通过弯管5连接前端的针钉仓联接管6,配装针钉仓8,最前端可安装组合圆盘底砧托7。 Stapler body tube portion 4 via the tube 5 connected to the distal end of the needle cartridge coupling tube 6, the needle equipped cartridge 8, the most distal disc may be mounted in combination anvil 7 torr. 管型吻合器4的后端为旋钮1,装设在固定手柄2上,上部为活动手柄3。 Stapling the rear end of the tubular knob 4 is 1, 2 mounted on the fixed handle, the upper portion of movable handle 3. 组合圆盘底砧托7和其他针钉仓组件与针钉仓8配套装设。 A combination disc holder 7 and the other end of the anvil cartridge assembly the needle with the needle cartridge support 8 is mounted.

[0021] 参阅图2,针钉仓8为双层圆筒状容器,前端面为端面钉砧P,中孔D内套装环筒刀9,环绕中孔D的端面钉砧P法兰盘形平面上均匀设有若干内装针钉17的出钉口V与针钉轨迹槽C,针钉仓8尾端带有外螺纹,配合装设管型吻合器4前端的针钉仓联接管6内螺孔,端面钉砧P向外,与组合圆盘底砧托7及缝合瓣膜10配合,进行缝合。 [0021] Referring to Figure 2, the needle cartridge is double cylindrical container 8, the front end face of the anvil end surface P, D set in the mesopore annular cylindrical knife 9, around the hole in the end surface of the anvil D P-shaped flange is provided with a plurality of uniformly built stapling staple port 17 and the V groove track stapling plane C, the trailing end of the needle cartridge 8 with an external thread, a needle with the distal end 4 of the inner tube coupling cartridge installation pipe stapler 6 screw, the anvil end surface outwardly P, and a combination of the disc and anvil holder 7 with valve 10 stapling, stitching.

[0022] 参阅图3、图4,缝合瓣环10与机械瓣膜套装在一起,缝合瓣环10由塑料瓣环13、凹凸套环14、绦纶环套15、乳胶环16套合而成,机械瓣膜包括金属瓣环11和金属瓣叶12,金属瓣环11套装在缝合瓣环10的中孔内,金属瓣叶12为两块半圆状叶片,装设在金属瓣环11的内孔K中,边缘与金属瓣环11的内孔K壁活动连接,可在内孔K中单向开合。 [0022] Referring to FIG. 3, FIG. 4, suturing the annulus 10 and the mechanical valve nested together, the annulus suture ring 10 made of plastic flaps 13, collar 14 irregularities, Dacron collar 15, the ring 16 Latex nested together, mechanical valve 11 comprises a metallic annulus 12 and a metal flap, the metal annulus 11 in the suture package 10 of the annulus bore, metal leaflet into two semicircular blade 12, a ring mounting hole in the metal flap K 11 , the edges of the metal walls of the annulus bore K active connection 11, the inner bore can be opened and closed unidirectional K.

[0023] 参阅图5、图6、图7,缝合瓣环10与中孔内的机械瓣膜分拆结构,机械瓣膜由金属瓣环11内孔K装设金属瓣叶12组成。 [0023] Referring to FIG. 5, FIG. 6, FIG. 7, the suture 10 in annulus bore Sparated mechanical valves, mechanical valves made of a metal annulus bore 11 K 12 mounted metal flap composition. 塑料瓣环13为闭合的圆环,圆周立壁面上均匀开设若干个矩型孔F,在矩型孔F上下两端面的立壁上密布若干缝合线孔X。 Plastic annulus 13 as a closed ring, defines a plurality of rectangular holes uniformly on the periphery of the stand wall F, a plurality of suture holes densely upright rectangular wall aperture both end surfaces of the upper and lower X. F 凹凸套环14为一开口凹凸环,圆周立壁面呈凹凸间隔,夹装在绦纶环套15和塑料瓣环13之间的圆环状空间中,凹凸套环14的内凸面嵌入内圈的塑料瓣环13的矩型孔F中,固定相对位置。 Collar 14 is a convex irregularities ring opening, the circumferential wall surface was uneven vertical spacing interposed Dacron collar 15 and plastic annulus between the annular space 13, the convex surface irregularities within the collar 14 is fitted the inner ring F plastic rectangular hole annulus 13, fixed relative positions. 机械瓣膜的金属瓣叶12为两瓣半圆状叶片,活动嵌装在金属瓣环11的中孔K内壁上,只能单向开合。 Leaflet mechanical heart valve metal as two semicircular blades 12, fitted on the inner wall activities mesoporous metal annulus 11 K, only one-way closure. 金属瓣环11的外圆周面上开设一圈环形槽W,当金属瓣环11套装在缝合瓣环10内的塑料瓣环13中孔内时,凸出矩型孔F的凹凸套环14的内凸面可嵌装在金属瓣环11的环形槽W内。 An outer circumferential surface of the metallic annulus 11 of the annular groove defines a circle W, when the metal annulus 11 in the suture package plastic flap annulus bore 10 in the ring 13, the projecting irregularities rectangular holes F of the collar 14 the convex surface may be fitted in the annular groove 11 of the W metal annulus. 此时金属瓣环11只能沿塑料瓣环13内孔圆周面转动,不能作轴向动作。 At this time, only the metal annulus 11 rotates ring 13 along the inner circumferential surface of the bore plastic flap, not axial movement. 当转动到塑料瓣环13内孔的适当位置时,金属瓣环11相应定位。 When rotated to place a plastic inner bore annulus 13, a metal annulus 11 correspondingly positioned.

[0024] 参阅图8、图9,组合圆盘底砧托7的中心位置为垂直的长杆托柄B,自托柄B的圆心向圆盘状底托的外缘径向分为均匀的六块底砧托分装件N,每块底砧托分装件N的圆心夹角为60°。 [0024] Referring to FIG. 8, FIG. 9, the anvil bracket combination disc 7 is a vertical center position of the mast holder handle B, starting from the center to the outer edge of the disc-shaped shoe holder radially into the shank of uniform B six anvil bracket attachments points N, each dispensing tray anvil member N is the center angle 60 °. 组合圆盘底砧托7的圆盘边缘上面均匀开有若干条径向缝合轨迹槽J,圆盘内缘套装缝合瓣环10内的塑料瓣环13,绦纶环套15的底边卡在组合圆盘底砧托7的圆盘边缘上,绦纶环套15的圆形扇边缘覆套在圆盘边缘上面。 Anvil combination disc tray above the edge of the disc 7 provided with a number of radial uniformity suture J track groove, the inner edge of the disc annulus suture package plastic flap 10 in the ring 13, the bottom edge 15 of the collar Dacron card combination anvil disk tray of the disk edge 7, Dacron cuff circular edge 15 of the fan disk in the edge of the upper mantle. 托柄B伸出塑料瓣环13内孔中心,塑料瓣环13的各个矩型孔F内嵌装凹凸套环14的内凸面,塑料瓣环13内孔可套装金属瓣环11。 Plastic handle bracket B projecting central bore annulus 13, the respective rectangular plastic annulus bore F 13 embedded within the collar means irregularities of the convex surface 14, a plastic annulus bore 13 may be set within the metal annulus 11. 针钉17穿过缝合轨迹槽J的内圈向圆盘底托内面压进,针脚由缝合轨迹槽J的外圈槽口向上弯曲,逐渐弯回缝合轨迹槽J的内圈位置,形成缝合固定状态。 Stapling suturing trajectory groove 17 through the inner ring J to the inner surface of the disc pressed into the shoe, J stitch suture track by the notch groove of the outer ring is bent upwardly, and gradually bent back inner groove track position J of the suture, suture formed status.

[0025] 参阅图10,组合圆盘底砧托7与缝合瓣环10组合套装,嵌入心室R内腔中,由束瓣线L将待切除的病变二尖瓣膜Q部分束紧在托柄B前段,托柄B后段配装在托柄箍19内,由卡簧H卡紧。 [0025] Referring to Figure 10, the anvil bracket 7 in combination with a disc annulus suture combination suit 10, R embedded ventricular lumen, a line beam lobe lesion L to be excised mitral straining portion Q in bracket B shank front section, rear section B bracket handle fit within ferrule holder shank 19, the circlip H chucking. 托柄箍19后端连接托柄箍拉杆Z,套装在定位套18中,定位套18装设在环筒刀9及后端连接的环筒刀推进器T中孔内。 Ferrule holder handle 19 back end connector ferrule holder shank rod Z, set in the positioning sleeve 18, the positioning sleeve 18 fitted in the bore in the pusher T annular cylindrical knife blade ring tube 9 and the rear end of the connector. 针钉仓8的前端为端面钉砧P,端面钉砧P的圆周均布若干出钉口V,内装针钉17。 Stapling cartridge distal end surface of the anvil 8 is P, P is the circumferential end faces of the anvil staple a plurality of uniformly distributed outlet V, 17 built stapling. 环筒刀9装设在针钉仓8中孔内,相连接的环筒刀推进器T套装在针钉仓联接管6中,环筒刀9后部外缘连接推钉器E,推钉器E前端伸入针钉仓8的出钉口V后孔中,与针钉17的后端顶触。 Cylindrical blade ring 9 mounted in the bore of the cartridge needle 8, connected to the annular cylindrical pusher tool T fitted over the needle cartridge coupling tube 6, the outer edge of the rear portion of annular cylindrical knife 9 is connected staple push E, nail pushing the front end E V outlet staple cartridge after the needle extends into the bore 8, the rear end of the stapling top contact 17. 环筒刀推进器T可推拉环筒刀9及推钉器E向前或回缩;托柄箍拉杆Z可拉动托柄箍19带动组合圆盘底砧托7向前或后退。 T-annular knife pusher blade 9 may be cylindrical sliding ring and E is pushed forward or retract the staple; Torr Z may pull rod shank cuff collar shank 19 torr to drive the anvil composition disc tray 7 forward or backward.

[0026] 参阅图11,旋转管型吻合器4后端旋钮I,使托柄箍拉杆Z拉动托柄箍19,带动组合圆盘底砧托7向后回收,使缝合瓣环10与针钉仓8的前端靠近,调整到预定间隔位置后,握紧管型吻合器4的活动手柄3与固定手柄2,使环筒刀推进器T推动环筒刀9向前,切除缝合瓣环10中孔内圈套的心室R的病变二尖瓣Q。 [0026] Referring to Figure 11, a rotary tubular knob stapler rear end 4 I, so that the ferrule holder rod handle is pulled Tropsch Z handle bar 19, driven by a combination of the anvil disk tray 7 rearwardly recovering the annulus 10 and the suture stapling near the front end of the cartridge 8, is adjusted to a predetermined distant position, the tube gripping stapler movable handle and the fixed handle 4 3 2, so that the pusher blade T annular cylindrical push ring tube 9 knife forward, surgery annulus 10 mitral valve disease snare hole ventricular R Q. 同时环筒刀9连接的推钉器E向前顶动针钉17,针钉17在压力下穿过心室R的边缘和缝合瓣环10,进入组合圆盘底砧托7圆盘边缘的缝合轨迹槽J,针钉17的针脚再向后折返进入端面钉砧P的针钉轨迹槽C,再次向前将缝合瓣环10与心室R缝合在一起。 While the annular cylindrical knife 9 is connected staple is pushed forwardly E stapling movable top 17, stapling 17 through the edge and stitching R ventricular annulus 10 under pressure, into the anvil bracket suture combination disc disc edge 7 track grooves J, stapling stitch 17 again into the folded rear end surface of the anvil stapling track groove P C, cycle forward the suture ventricular annulus 10 R stitched together. 然后松开活动手柄3,反向旋转后旋钮1,使托柄箍拉杆Z拉动托柄箍19向后回缩,与组合圆盘底砧托7松开、脱离,使底砧托分装件N自然散开,再将管型吻合器4缓缓退出患者刀口,然后将底砧托分装件N逐瓣由缝合瓣环10的中孔内取出,再套接机械瓣膜与缝合瓣环10。 Then release the movable handle 3, the reverse rotation of the knob 1, so that the ferrule holder shank rod handle bar 19 Torr Z pulled rearwardly retracted, the anvil bracket in combination with the disk 7 is released from the dispensing end of the anvil bracket member N NATURAL spread, and then stapling the tubular blade 4 gradually exits the patient, then the anvil member dispensing tray removed from the valve by N suture bore annulus 10, and then the suture socket mechanical valve annulus 10 .

[0027] 采用本发明进行人造心脏瓣膜缝合心脏手术时,针钉仓组件装设在管型吻合器4的针钉仓联接管6前端,与环筒刀推进器T及前端的推钉器E配装,环筒刀9与针钉17可由环筒刀推进器T及推钉器E推动同步动作。 [0027] When using an artificial heart valve of the present invention is cardiac surgery suture, the needle cartridge assembly mounted in the tubular stapling stapler cartridge tube 6 distal end 4 is coupled with the annular cylindrical pusher tool T and the leading end of the staple push E fitted, the ring tube 9 and the cutter 17 may be annular cylindrical stapling knife and push staple pusher T E is driven synchronized operation. 机械缝合的步骤为:安放组合圆盘底砧托7进行初步缝合;吻合切除病变二尖瓣膜Q进行定位缝合;取出组合圆盘底砧托7 ;套接机械瓣膜与缝合瓣环10,缝合手术刀口。 Mechanical stapling step is: a combination of a disc mounting bracket 7 preliminary anvil suture; Q anastomosis resection with mitral suture positioning; taken care compositions disc anvil 7; socket mechanical heart valve annulus 10 and the suture, suture blade. 安放组合圆盘底砧托7初步缝合的操作过程是:先切断连接心室R的病变二尖瓣膜Q的腱索,将组合圆盘底砧托7套装缝合瓣环10,中间托柄B伸入针钉仓8中孔内的托柄箍19内,组合圆盘底砧托7套装缝合瓣环10放入心室R内,将心脏瓣膜腱索残端缝扎在托柄B上。 Composition is placed during operation of the disk substrate preliminary stapling anvil holder 7 is: cut off diseased mitral chordae Q R is connected to the ventricle, the combination of the disk tray 7 anvil suture package annulus 10, extend into the intermediate tray handle B stapling cartridge holder shank bore 8 within the ferrule 19, the anvil combination disc annulus suture package tray 7 into the ventricle 10 R, heart valve chordae suture stump on the carrier handle B. 旋转管型吻合器4后端旋钮1,使托柄箍拉杆Z拉动托柄箍19,带动组合圆盘底砧托7与针钉仓8靠近,轻握管形吻合器4的活动手柄3,使推钉器E慢慢向前,针钉17在压力下穿过心室R的边缘和缝合瓣环10,进入组合圆盘底砧托7圆盘边缘的缝合轨迹槽J。 Rotary tube 4 stapler rear end knob 1, so that the ferrule holder rod handle is pulled Tropsch Z handle bar 19, driven by a combination of the disc 7 and the anvil bracket 8 near the needle cartridge, the tubular Qingwo stapler movable handle 3 of 4, E is that the staple pushing forward slowly, stapling 17 through the edge stapling and R ventricular annulus 10 under pressure, into the suture track grooves 7 torr composition disc anvil edge of the disk, J. 针钉17的针脚伸出缝合轨迹槽J外缘后折返,再次进入心室R切缘。 After stapling stitch suture 17 extending track grooves J outer edge folded back again into the ventricle R cutting edge. 进行吻合切除病变二尖瓣膜Q定位缝合的操作过程是:转动管型吻合器4的后端旋钮1,使环筒刀推进器T及推钉器E向前推压,调整到预定间隔位置后,握紧管型吻合器4的活动手柄3顶住固定手柄2,使环筒刀推进器T加力推动环筒刀9快速向前,切除缝合瓣环10中孔内圈套的心室R的病变二尖瓣膜Q,针钉17的针脚向后折返至极限位置,将缝合瓣环10与心室R缝合在一起。 For the procedure of the removal of diseased mitral anastomosis stapling positioning Q is: a tubular rotatable stapling the rear end 4 of the knob 1, so that cylindrical blade ring and push staple pusher T E is pushed forward, adjusted to a predetermined position spaced clenched tube 4 stapler movable handle 3 against the fixed handle 2, so that the pusher blade T annular cylindrical push ring urging the fast forward cylindrical knife 9, R surgical ventricular annulus 10 of the hole trap lesion mitral valve Q, stitch stapling 17 folded rearward to the limit position, the suture 10 and ventricular annulus R stitched together. 取出组合圆盘底砧托7的操作过程是:松开活动手柄3,反向旋转管型吻合器4的后旋钮1,使托柄箍拉杆Z拉动托柄箍19与组合圆盘底站托7脱离,将管型吻合器4缓缓退出患者刀口。 During operation the anvil taken care compositions disc 7 is: Loosen the movable handle 3, the reverse rotation of the stapler tube 1 knob 4, so that the ferrule holder rod handle is pulled Z cuff holder shank 19 in combination with the bottom disk stop bracket 7 out of the 4 patients slowly withdraw the tube edge stapler. 此时组合圆盘底砧托7的底砧托分装件N自然散开分为6瓣,将底砧托分装件N由缝合瓣环10的中孔内逐瓣取出。 At this time, a combination of the disc holder 7 of the anvil bracket dispensing anvil member 6 N NATURAL spread into the anvil bracket member N is dispensed by valve bore annulus 10 by sutures removed. 然后进行套接机械瓣膜与缝合瓣环10,操作过程是:用持瓣器将机械瓣膜向前平推,嵌入缝合瓣环10内圈的塑料瓣环13的中孔内,转动机械瓣膜的金属瓣环11调整镶嵌位置,合适后,切断持瓣器上的束瓣线L,将持瓣器退出患者体外。 Then the suture socket mechanical heart valve annulus 10, the process operation is: mechanical valve holder flap will push forward the flat, metallic annulus 10 in seam plastic inner annulus bore 13, rotation of the mechanical valve annulus 11 to adjust the position of the insert, after appropriate cutting beam outside the patient holding the valve flap line L, the holder the flap exits. 然后使心脏恢复供血,温度回升至34°C以上,记忆合金制成的凹凸套环14自动变形,各段凸出部位伸出塑料瓣环13上相对应的各个矩型孔F,向内嵌入金属瓣环11圆周面外圈环形槽W,将缝合瓣环10与机械瓣膜连接套合为一体。 Then the heart to restore blood supply, temperature rise to above 34 ° C, 14 automatically sets irregularities deformable ring made of a memory alloy, the respective parts of the protruding section protruding plastic annulus 13 corresponding to the respective rectangular aperture F., Inwardly fitted metal annulus outer circumferential surface of the annular groove 11 W, the suture mechanical valve annulus 10 into one connecting sleeve. 最后,对手术刀口实施缝合,完成整个机械缝合人造心脏瓣膜手术。 Finally, embodiments of the surgical stapling mouth, to complete the mechanical suturing an artificial heart valve surgery.

[0028] 如果人工机械瓣膜失功,进行二次置换手术时,不必再次缝合整个缝合瓣膜10,只需将心脏降温至34°C,记忆合金制成的凹凸套环14恢复原形,向内凸出的部位回缩至塑料瓣环13上相对应的矩型孔F内,取出机械瓣膜,重复上述套接机械瓣膜与缝合瓣环10的操作过程,即可完成二次瓣膜置换。 [0028] If the mechanical heart valve prostheses dysfunction, secondary replacement surgery, again not necessarily the entire stapling suturing valve 10, the heart was lowered to just 34 ° C, irregularities made of memory alloy collar 14 return to their original, inwardly projecting retracted into the plastic parts within the annulus 13 corresponding to the rectangular holes F., remove the mechanical valve, a mechanical valve and repeat the socket during operation of the valve suture ring 10, to complete the secondary valve replacement. 方便、安全,成功率高,减轻患者的痛苦。 Convenient, safe, high success rate, alleviate the suffering of patients.

Claims (3)

1.一种机械缝合式人造心脏瓣膜,其特征在于人造心脏瓣膜包括缝合瓣环(10)、机械瓣膜,与机械缝合装置相配合,缝合瓣环(10)由塑料瓣环(13)、凹凸套环(14)、绦纶环套(15)组成,机械瓣膜由金属瓣环(11 )、金属瓣叶(12)组装而成,缝合瓣环(10)以塑料瓣环(13)为支架,记忆合金制成的凹凸套环(14)套装在塑料瓣环(13)外缘,绦纶环套(15)内衬乳胶环(16),将塑料瓣环(13)和凹凸套环(14)包裹在内,塑料瓣环(13)的圆周环面上间隔均匀开有若干个矩型孔(F),凹凸套环(14)向内凸出的各段由塑料瓣环(13)外缘镶嵌在矩型孔(F)内,靠近心室(R)—侧的端面内缘带有卡边,机械瓣膜的金属瓣环(11)与金属瓣叶(12)采用碳合金制成,金属瓣叶(12)为两瓣半圆形叶片,两端各设有短瓣叶轴,架设在金属瓣环(11)外端面的内孔(K)壁凹槽上,金属瓣叶(12)的半圆形叶片活动装设在瓣叶轴上,金 1. A mechanical stitching an artificial heart valve, characterized in that the artificial heart valve annulus comprising a suture (10), a mechanical valve, cooperates with a mechanical suturing device, suturing the annulus (10) from a plastic annulus (13), irregularities the collar (14), Dacron collar (15) composed of a metal mechanical valve annulus assembly (11), the metal flap (12) and threads that annulus (10) to a plastic annulus (13) is a stent irregularities collar (14) made of memory alloy in the package (13) the outer edge, Dacron collar (15) lined with a latex ring (16), the plastic annulus plastic annulus (13) and the collar irregularities ( 14) wrapping the inner circumferential surface of a plastic ring annulus (13) evenly spaced apart with a plurality of rectangular holes (F.), irregularities collar (14) inwardly projecting segments from a plastic annulus (13) an outer edge embedded in the rectangular holes (F.), close to the ventricles (R) - with the inner end surface of the card edge rim side, a metal mechanical valve annulus (11) and the metal flap (12) made of a carbon alloy, metal flap (12) is a two semicircular blades, both ends of each leaflet has a short shaft erected on the inner wall of the recess metal annulus bore (11) an outer end surface (K), a metal flap (12 ) semicircular vane is movably mounted in the flap shaft, gold 瓣环(11)的圆周面外圈开有环形槽(W),靠近心室(R)—侧的端面环孔内缘带有卡边,机械缝合装置包括针钉仓组件、组合圆盘底砧托(7),针钉仓组件由带端面钉砧(P)的针钉仓(8)、针钉(17)、环筒刀(9)组成,装设在管型吻合器(4)的针钉仓联接管(6)前端。 The outer circumferential surface of the annulus (11) has an annular groove opening (W), close to the ventricles (R) - rings with bore side edge side of the card with a mechanical suturing device includes a needle cartridge assembly, the anvil combination disc Torr (7), the needle cartridge assembly by a cartridge with a stapling anvil end surface (P), (8), stapling (17), annular cylindrical knife (9), with the tube mounted stapler (4) needle cartridge coupling tube (6) distal end.
2.按照权利要求1所述的机械缝合式人造心脏瓣膜,其特征在于所述的针钉仓组件的针钉仓(8)为圆筒状夹层套筒,尾端外带螺纹与针钉仓联接管(6)的内螺孔配装,中孔(D)内套装环筒刀(9 ),环筒刀(9 )为筒状薄壁刀,尾端与环筒刀推进器(T )连接,针钉仓(8 )端部的端面钉砧(P)为环绕中心孔的法兰盘形,端面钉砧(P)圆周平面上间隔均匀开有若干个轴向出钉口( V ),内装针钉(17),每个出钉口( V )外缘对应开有两个径向针钉轨迹槽(C )。 2. The machine as claimed in claim sewn artificial heart valve of claim 1, wherein the cartridge needle (8) is a needle cartridge assembly interlayer cylindrical sleeve, the trailing end of the needle thread take-cartridge inner screw pipe coupling (6) is fitted, the inner hole (D) set cylindrical blade ring (9), annular cylindrical knife (9) is a thin-walled cylindrical knife, trailing end of annular cylindrical pusher blade (T) connection, stapling cartridge (8) end surface of the anvil end portion (P) is shaped flange surrounding the central aperture, the anvil end surface (P) spaced uniformly apart on a circumferential plane with a plurality of axially opening out the staple (V) , stapling interior (17), each of the staple opening (V) corresponding to an outer edge radially apart two stapling track grooves (C).
3.按照权利要求1所述的机械缝合式人造心脏瓣膜,其特征在于所述的组合圆盘底砧托(7)为底站托分装件(N)拼合组成的圆盘状底托,中心为垂直的托柄(B),自托柄(B)圆心向圆盘状底托的外缘径向均匀分为六块底砧托分装件(N),每块底砧托分装件(N)的圆心夹角为60°,圆盘边沿上面均匀开有若干条径向缝合轨迹槽(J)。 3. The mechanical artificial heart valve sewn according to claim 1, wherein said anvil combination disc tray (7) is a disk-shaped bottom stop bracket min shoe attachments (N) split composition, Torr vertical center stem (B), since the handle holder (B) to the center of the disk-shaped shoe is divided into six radially outer edge of the anvil uniform dispensing tray member (N), each dispensing tray anvil member center angle (N) is 60 °, a uniform top rim disc provided with a number of radial suture groove tracks (J).
CN 201210348111 2012-09-19 2012-09-19 Mechanical suture type artificial heart valve and suture method thereof CN102824231B (en)

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