CN111938723A - Adjustable flap retractor - Google Patents

Adjustable flap retractor Download PDF

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Publication number
CN111938723A
CN111938723A CN202010575669.9A CN202010575669A CN111938723A CN 111938723 A CN111938723 A CN 111938723A CN 202010575669 A CN202010575669 A CN 202010575669A CN 111938723 A CN111938723 A CN 111938723A
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tensioning
arc
slide rail
tube
threading
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CN111938723B (en
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王明浩
陈果
曹小珍
唐鹏
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First Affiliated Hospital of PLA Military Medical University
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First Affiliated Hospital of PLA Military Medical University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/02Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
    • A61B17/0293Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors with ring member to support retractor elements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B2017/00743Type of operation; Specification of treatment sites
    • A61B2017/00796Breast surgery

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
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  • Surgical Instruments (AREA)

Abstract

本发明公开了一种可调式皮瓣牵拉器,包括:弧形滑轨、滑座、锁紧螺钉、张拉装置、张拉线以及拉钩,多个所述滑座可滑动地套设在所述弧形滑轨上,所述张拉装置设置在所述滑座上,所述张拉线设置在所述弧形滑轨的内侧,所述张拉线连接所述拉钩和所述张拉装置,用于顶推所述弧形滑轨的所述锁紧螺钉设置在所述滑座上。本发明通过张拉装置拉紧或放松张拉线,进而拉紧或放松拉钩,通过调节张拉装置牵拉皮瓣,避免遮挡手术视野,同时拉钩牵拉住皮瓣后可以通过张拉装置调节拉钩位置,保证皮瓣分离过程顺利进行,节省了手术时间。

Figure 202010575669

The invention discloses an adjustable skin flap retractor, comprising: an arc-shaped sliding rail, a sliding seat, a locking screw, a tensioning device, a tensioning wire and a hook, wherein a plurality of the sliding seats are slidably sleeved on the On the arc-shaped sliding rail, the tensioning device is arranged on the sliding seat, the tensioning wire is arranged on the inner side of the arc-shaped sliding rail, and the tensioning wire connects the hook and the tensioning device, The locking screw for pushing the arc-shaped sliding rail is arranged on the sliding seat. In the present invention, the tensioning device is used to tighten or loosen the tensioning wire, and then the retractor is tensioned or loosened, and the flap is pulled by adjusting the tensioning device, so as to avoid blocking the surgical field of vision. The position of the flap ensures the smooth progress of the flap separation process and saves the operation time.

Figure 202010575669

Description

可调式皮瓣牵拉器Adjustable flap retractor

技术领域technical field

本发明涉及乳腺科手术器械技术领域,尤其是涉及一种可调式皮瓣牵拉器。The invention relates to the technical field of breast surgery instruments, in particular to an adjustable skin flap retractor.

背景技术Background technique

目前乳腺癌手术采用的主要术式是根治性的改良根治术,在该手术中,患者呈仰卧位,患侧上肢外展90°并固定在手术台的肢架上,并以软枕将胸部垫高5厘米左右;采用喙突到脐方向的纵行梭形切口,先作外缘切口,再作内缘,切至皮下组织,以止血钳夹住少许皮下组织,左手提起止血钳,并以手指从外侧顶起皮肤使其呈水平拉紧,右手持阔面刀削切皮下脂肪组织,形成皮瓣。皮瓣切开的操作常常需要半小时以上,且大多数时间内,需要一人双手加上另一人单手专门用于皮瓣的牵拉。而牵拉的工作是一种需要长时间保持持续拉力的技术含量不高、体力要求较高的机械性的工作。At present, the main surgical procedure used in breast cancer surgery is radical modified radical mastectomy. In this surgery, the patient is placed in a supine position, the upper limb on the affected side is abducted by 90° and fixed on the limb frame of the operating table, and the chest is covered with a soft pillow. The height is about 5 cm; a longitudinal fusiform incision from the coracoid process to the umbilicus is used, and the outer edge incision is made first, then the inner edge is made, and the incision is made to the subcutaneous tissue. Use fingers to push up the skin from the outside to make it taut horizontally, and hold a broad-faced knife in the right hand to cut the subcutaneous fat tissue to form a skin flap. The operation of skin flap incision often takes more than half an hour, and most of the time, one person's two hands and another one's one hand are needed for pulling the skin flap. The pulling work is a kind of mechanical work with low technical content and high physical strength that needs to maintain continuous pulling force for a long time.

现有技术中帮助显露切口或显露手术视野的皮瓣牵拉器沿胸部周围设置,但涉及乳房皮瓣的手术操作是单侧皮瓣进行的,沿胸部周围设置拉钩会妨碍手术操作和干扰视线;现有的皮瓣牵拉器牵拉住皮瓣后拉钩位置保持不变,不能调整,但分离皮瓣要根据手术需要调整拉钩位置,医生常常需要停下手术调整皮瓣牵拉器,耽误了手术的时间。In the prior art, the flap retractor that helps to expose the incision or the surgical field is arranged around the chest, but the surgical operation involving the breast skin flap is performed on one side of the skin flap. ; After the existing skin flap retractor pulls the skin flap, the position of the retractor remains unchanged and cannot be adjusted, but the position of the retractor should be adjusted according to the needs of the operation to separate the skin flap. time for surgery.

发明内容SUMMARY OF THE INVENTION

本发明的目的在于提供一种可调式皮瓣牵拉器,以便在手术中调整拉钩位置,使医生能够尽快完成皮瓣分离,节省手术时间。The purpose of the present invention is to provide an adjustable skin flap retractor, so as to adjust the position of the retractor during the operation, so that the doctor can complete the skin flap separation as soon as possible and save the operation time.

为了达到上述目的,本发明提供了一种可调式皮瓣牵拉器,包括:弧形滑轨、滑座、锁紧螺钉、张拉装置、张拉线以及拉钩,多个所述滑座可滑动地套设在所述弧形滑轨上,所述张拉装置设置在所述滑座上,所述张拉线设置在所述弧形滑轨的内侧,所述张拉线连接所述拉钩和所述张拉装置,用于顶推所述弧形滑轨的所述锁紧螺钉设置在所述滑座上。In order to achieve the above object, the present invention provides an adjustable skin flap retractor, comprising: an arc-shaped slide rail, a sliding seat, a locking screw, a tensioning device, a tensioning wire and a hook, and a plurality of the sliding seats are slidable It is sleeved on the arc-shaped sliding rail, the tensioning device is arranged on the sliding seat, and the tensioning wire is arranged on the inner side of the arc-shaped sliding rail, and the tensioning wire connects the hook and the In the tensioning device, the locking screw for pushing the arc-shaped slide rail is arranged on the sliding seat.

可选的,所述锁紧螺钉设置在所述弧形滑轨的外侧。Optionally, the locking screw is arranged on the outer side of the arc-shaped slide rail.

可选的,所述弧形滑轨两端设置有端帽。Optionally, end caps are provided at both ends of the arc-shaped slide rail.

可选的,所述张拉装置包括支撑管、穿线管、堵头和张拉旋钮,所述支撑管设置在所述滑座上,所述穿线管沿所述弧形滑轨的径向方向穿设在所述支撑管上,所述堵头设置在所述穿线管远离所述张拉线一端,所述张拉旋钮包括依次连接的盖体、连接柱和绕线柱,所述连接柱设置在所述支撑管内,所述支撑管远离所述滑座一端设置有管齿,所述盖体上设置有与所述管齿向配合的端面齿,所述绕线柱上设置有穿线孔,所述张拉线穿过所述穿线管和所述穿线孔连接所述堵头。Optionally, the tensioning device includes a support tube, a threading tube, a plug and a tensioning knob, the support tube is arranged on the sliding seat, and the threading tube is along the radial direction of the arc-shaped slide rail. The plug is arranged on the support tube, the plug is arranged at the end of the wire tube away from the tensioning wire, and the tensioning knob includes a cover body, a connecting column and a winding column that are connected in sequence, and the connecting column is provided with In the support tube, the end of the support tube away from the sliding seat is provided with tube teeth, the cover body is provided with end face teeth which are matched with the tube teeth, and the winding column is provided with a threading hole, The tension wire is connected to the plug through the wire pipe and the wire hole.

可选的,所述穿线管位于所述滑座和所述穿线孔之间。Optionally, the threading tube is located between the sliding seat and the threading hole.

可选的,所述张拉线为弹力线。Optionally, the tension thread is an elastic thread.

可选的,所述连接柱上所述穿线孔靠近所述滑座一侧设置有环槽,所述滑座上设置有弹簧片,所述弹簧片一端通过所述环槽勾住所述张拉旋钮。Optionally, a ring groove is provided on the side of the threading hole on the connecting column close to the sliding seat, a spring sheet is provided on the sliding seat, and one end of the spring sheet is hooked on the tensioner through the ring groove. knob.

可选的,所述弧形滑轨远离所述张拉装置一侧设置有用于连接手术床的滑轨支架。Optionally, a side of the arc-shaped slide rail away from the tensioning device is provided with a slide rail bracket for connecting to the operating bed.

可选的,所述滑轨支架包括:支撑杆、下夹板、上夹板和锁紧套,所述下夹板设置在所述支撑杆远离所述弧形滑轨一端,所述上夹板穿设在所述支撑杆上,所述锁紧套穿设在所述支撑杆上以压紧所述上夹板,所述锁紧套和所述支撑杆通过螺纹连接。Optionally, the slide rail bracket includes: a support rod, a lower splint, an upper splint and a locking sleeve, the lower splint is arranged at one end of the support rod away from the arc-shaped slide rail, and the upper splint is inserted through the On the support rod, the locking sleeve is inserted through the support rod to press the upper clamp plate, and the locking sleeve and the support rod are connected by threads.

本发明提供一种可调式皮瓣牵拉器,包括:弧形滑轨、滑座、锁紧螺钉、张拉装置、张拉线以及拉钩,多个所述滑座可滑动地套设在所述弧形滑轨上,所述张拉装置设置在所述滑座上,所述张拉线设置在所述弧形滑轨的内侧,所述张拉线连接所述拉钩和所述张拉装置,用于顶推所述弧形滑轨的所述锁紧螺钉设置在所述滑座上。本发明通过张拉装置拉紧或放松张拉线,进而拉紧或放松拉钩,通过调节张拉装置牵拉皮瓣,避免遮挡手术视野,同时拉钩牵拉住皮瓣后可以通过张拉装置调节拉钩位置,保证皮瓣分离过程顺利进行,节省了手术时间。The present invention provides an adjustable skin flap retractor, comprising: an arc-shaped slide rail, a sliding seat, a locking screw, a tensioning device, a tensioning wire and a hook, wherein a plurality of the sliding seats are slidably sleeved on the On the arc-shaped sliding rail, the tensioning device is arranged on the sliding seat, the tensioning wire is arranged on the inner side of the arc-shaped sliding rail, and the tensioning wire connects the hook and the tensioning device. The locking screw for pushing the arc-shaped slide rail is arranged on the slide seat. In the present invention, the tensioning device is used to tighten or loosen the tensioning wire, and then the retractor is tensioned or loosened, and the flap is pulled by adjusting the tensioning device, so as to avoid blocking the surgical field of vision. The position of the flap ensures the smooth progress of the flap separation process and saves the operation time.

附图说明Description of drawings

图1是本发明一实施例提供的可调式皮瓣牵拉器示意图;1 is a schematic diagram of an adjustable skin flap retractor provided by an embodiment of the present invention;

图2是本发明一实施例提供的张拉装置示意图;2 is a schematic diagram of a tensioning device provided by an embodiment of the present invention;

图3是本发明一实施例提供的张拉装置分解示意图;3 is an exploded schematic diagram of a tensioning device provided by an embodiment of the present invention;

图4是本发明一实施例提供的滑轨支架示意图。FIG. 4 is a schematic diagram of a slide rail bracket provided by an embodiment of the present invention.

其中:1-弧形滑轨,2-滑座,3-锁紧螺钉,4-张拉装置,41-支撑管,411-管齿,42-穿线管,43-堵头,44-张拉旋钮,441-盖体,4411-端面齿,442-连接柱,443-绕线柱,4431-穿线孔,4432-环槽,45-弹簧片,5-张拉线,6-拉钩,7-端帽,9-滑轨支架,91-支撑杆,92-下夹板,93-上夹板,94-锁紧套。Among them: 1-Arc slide rail, 2-Slide seat, 3-Lock screw, 4-Tension device, 41-Support tube, 411-Tube teeth, 42-Threading tube, 43-plug, 44-tension Knob, 441-cover, 4411-face teeth, 442-connecting post, 443-winding post, 4431-threading hole, 4432-ring groove, 45-spring leaf, 5-pulling wire, 6-drawing hook, 7-end Cap, 9-slide rail bracket, 91-support rod, 92-lower splint, 93-upper splint, 94-locking sleeve.

具体实施方式Detailed ways

下面将结合示意图对本发明的具体实施方式进行更详细的描述。根据下列描述和权利要求书,本发明的优点和特征将更清楚。需说明的是,附图均采用非常简化的形式且均使用非精准的比例,仅用以方便、明晰地辅助说明本发明实施例的目的。The specific embodiments of the present invention will be described in more detail below with reference to the schematic diagrams. The advantages and features of the present invention will become apparent from the following description and claims. It should be noted that, the accompanying drawings are all in a very simplified form and in inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention.

图1是本发明一实施例提供的可调式皮瓣牵拉器示意图,图2是本发明一实施例提供的张拉装置示意图,图3是本发明一实施例提供的张拉装置分解示意图,参见图1-图3所示,所述可调式皮瓣牵拉器包括:弧形滑轨1、滑座2、锁紧螺钉3、张拉装置4、张拉线5以及拉钩6,多个所述滑座2可滑动地套设在所述弧形滑轨1上。所述弧形滑轨1靠近其轴线一侧为内侧,远离其轴线一侧为外侧。所述张拉装置4设置在所述滑座2上,所述张拉线5设置在所述弧形滑轨的内侧1,所述张拉线5连接所述拉钩6和所述张拉装置4,所述张拉装置4能够收紧或松开所述张拉线5,用于顶推所述弧形滑轨1的所述锁紧螺钉3设置在所述滑座2上。所述锁紧螺钉3具体是设置在所述弧形滑轨1的外侧,拧紧所述锁紧螺钉3,所述锁紧螺钉3顶住所述弧形滑轨1能够将所述滑座2收紧。所述弧形滑轨1两端设置有端帽7,防止所述滑座2从所述弧形滑轨1上滑脱。1 is a schematic diagram of an adjustable skin flap retractor provided by an embodiment of the present invention, FIG. 2 is a schematic diagram of a tensioning device provided by an embodiment of the present invention, and FIG. 3 is an exploded schematic diagram of the tensioning device provided by an embodiment of the present invention, 1-3, the adjustable skin flap retractor includes: an arc-shaped slide rail 1, a slide seat 2, a locking screw 3, a tensioning device 4, a tensioning wire 5, and a retracting hook 6. The sliding seat 2 is slidably sleeved on the arc-shaped sliding rail 1 . The side of the arc-shaped slide rail 1 close to the axis is the inner side, and the side away from the axis is the outer side. The tensioning device 4 is arranged on the sliding seat 2, the tensioning wire 5 is arranged on the inner side 1 of the arc-shaped slide rail, and the tensioning wire 5 connects the hook 6 and the tensioning device 4, The tensioning device 4 can tighten or loosen the tensioning wire 5 , and the locking screw 3 for pushing the arc-shaped slide rail 1 is arranged on the sliding seat 2 . The locking screw 3 is specifically arranged on the outer side of the arc-shaped slide rail 1, and the locking screw 3 is tightened. tighten. Both ends of the arc-shaped slide rail 1 are provided with end caps 7 to prevent the sliding seat 2 from slipping off the arc-shaped slide rail 1 .

参见图1-图3所示,所述张拉装置4包括支撑管41、穿线管42、堵头43和张拉旋钮44,所述支撑管41设置在所述滑座2上,所述支撑管41的轴线垂直于与滑座2的接触面。所述穿线管42沿所述弧形滑轨1的径向方向穿设在所述支撑管41上。所述堵头43设置在所述穿线管42远离所述张拉线5一端。所述张拉旋钮44包括依次连接的盖体441、连接柱442和绕线柱443,所述连接柱442设置在所述支撑管41内,所述连接柱442的直径等于或略小于所述支撑管41的内径。所述支撑管41远离所述滑座2一端设置有管齿411,所述盖体441上设置有与所述管齿411向配合的端面齿4411,所述绕线柱443上设置有穿线孔4431,所述张拉线5穿过所述穿线管42和所述穿线孔4431连接所述堵头43。旋转所述张拉旋钮44,张拉线被缠绕在所述绕线柱443上,从而可以放松或收紧所述张拉线5,进而可以调节拉钩6。Referring to FIGS. 1-3 , the tensioning device 4 includes a support tube 41 , a threading tube 42 , a plug 43 and a tension knob 44 , the support tube 41 is arranged on the sliding seat 2 , and the support The axis of the tube 41 is perpendicular to the contact surface with the carriage 2 . The threading pipe 42 is inserted through the support pipe 41 along the radial direction of the arc-shaped slide rail 1 . The plug 43 is disposed at the end of the threading tube 42 away from the tensioning wire 5 . The tension knob 44 includes a cover body 441, a connecting column 442 and a winding column 443 connected in sequence, the connecting column 442 is arranged in the support tube 41, and the diameter of the connecting column 442 is equal to or slightly smaller than the The inner diameter of the support tube 41 . A tube tooth 411 is provided at one end of the support tube 41 away from the sliding seat 2 , the cover body 441 is provided with an end face tooth 4411 which is matched with the tube tooth 411 , and the winding column 443 is provided with a threading hole 4431, the tensioning wire 5 is connected to the plug 43 through the threading tube 42 and the threading hole 4431. Rotating the tensioning knob 44, the tensioning wire is wound on the winding post 443, so that the tensioning wire 5 can be loosened or tightened, and then the retracting hook 6 can be adjusted.

参见图1-图3所示,所述穿线管42位于所述滑座2和所述穿线孔4431之间,即所述穿线孔4431在所述穿线管42上方,通过张拉线5向下拉所述张拉旋钮44。所述连接柱443上所述穿线孔4431靠近所述滑座2一侧设置有环槽4432,所述滑座2上设置有弹簧片45,所述弹簧片45一端通过所述环槽4432勾住所述张拉旋钮44,防止张拉旋钮44脱离所述支撑管41。所述张拉线5为弹力线,拉钩6勾住皮瓣,当削切皮下脂肪组织分离皮瓣时,张拉线5自动收紧牵拉皮瓣,当张拉线5张拉力较小时医生在手动调节旋钮拉紧皮瓣。Referring to FIGS. 1-3 , the threading tube 42 is located between the sliding seat 2 and the threading hole 4431 , that is, the threading hole 4431 is above the threading tube 42 and is pulled down by the tensioning wire 5 . The tension knob 44 is described. A ring groove 4432 is provided on the side of the threading hole 4431 of the connecting column 443 close to the sliding seat 2, and a spring sheet 45 is provided on the sliding seat 2, and one end of the spring sheet 45 is hooked through the ring groove 4432. Hold the tension knob 44 to prevent the tension knob 44 from being separated from the support tube 41 . The tensioning wire 5 is an elastic thread, and the retracting hook 6 hooks the skin flap. When the subcutaneous fat tissue is cut to separate the skin flap, the tensioning wire 5 automatically tightens the pulling skin flap. When the tensioning force of the tensioning wire 5 is small, the doctor adjusts it manually. The knob tightens the flap.

图4是本发明一实施例提供的滑轨支架示意图,参见图1-图4所示,所述弧形滑轨1远离所述张拉装置4一侧设置有用于连接手术床的滑轨支架9。所述滑轨支架9包括:支撑杆91、下夹板92、上夹板93和锁紧套94,所述下夹板92设置在所述支撑杆91远离所述弧形滑轨1一端,所述上夹板93穿设在所述支撑杆91上,所述锁紧套94穿设在所述支撑杆91上以压紧所述上夹板93,所述锁紧套94和所述支撑杆91通过螺纹连接。弧形滑轨1通过滑轨支架9夹持在手术床上,通过弹力张拉线5牵拉拉钩6牵拉皮瓣,医生分离皮瓣时张拉线5自动收紧拉钩6,避免频繁拉紧拉钩6,缩短了手术时间。采用弹力线牵拉拉钩6,手术切口周边只有拉钩6和张拉线5,可以避免皮瓣牵拉器妨碍手术操作和干扰视线。4 is a schematic diagram of a slide rail bracket provided by an embodiment of the present invention. Referring to FIGS. 1-4 , a slide rail bracket for connecting to an operating bed is provided on the side of the arc-shaped slide rail 1 away from the tensioning device 4 9. The slide rail bracket 9 includes: a support rod 91, a lower clamp plate 92, an upper clamp plate 93 and a locking sleeve 94. The lower clamp plate 92 is disposed at the end of the support rod 91 away from the arc-shaped slide rail 1, and the upper clamp plate 92 The splint 93 is worn on the support rod 91 , the locking sleeve 94 is worn on the support rod 91 to press the upper splint 93 , the locking sleeve 94 and the support rod 91 are threaded connect. The arc-shaped slide rail 1 is clamped on the operating bed by the slide rail bracket 9, and the flap is pulled by the elastic tension wire 5 to pull the retractor 6. When the doctor separates the flap, the tensioner wire 5 automatically tightens the retractor 6 to avoid frequent tensioning of the retractor 6. , shorten the operation time. The retractor 6 is pulled by an elastic thread, and there are only the retractor 6 and the tension wire 5 around the surgical incision, which can prevent the flap retractor from hindering the surgical operation and disturbing the sight line.

综上,本发明实施例提供的可调式皮瓣牵拉器包括:弧形滑轨、滑座、锁紧螺钉、张拉装置、张拉线以及拉钩,多个所述滑座可滑动地套设在所述弧形滑轨上,所述张拉装置设置在所述滑座上,所述张拉线设置在所述弧形滑轨的内侧,所述张拉线连接所述拉钩和所述张拉装置,用于顶推所述弧形滑轨的所述锁紧螺钉设置在所述滑座上。本发明通过张拉装置拉紧或放松张拉线,进而拉紧或放松拉钩,通过调节张拉装置牵拉皮瓣,避免遮挡手术视野,同时拉钩牵拉住皮瓣后可以通过张拉装置调节拉钩位置,保证皮瓣分离过程顺利进行,节省了手术时间。To sum up, the adjustable skin flap retractor provided by the embodiment of the present invention includes: an arc-shaped slide rail, a sliding seat, a locking screw, a tensioning device, a tensioning wire and a hook, and a plurality of the sliding seats are slidably sleeved On the arc-shaped sliding rail, the tensioning device is arranged on the sliding seat, the tensioning wire is arranged on the inner side of the arc-shaped sliding rail, and the tensioning wire connects the draw hook and the tensioning wire The locking screw used for pushing the arc-shaped slide rail is arranged on the sliding seat. In the present invention, the tensioning device is used to tighten or loosen the tensioning wire, and then the retractor is tensioned or loosened, and the flap is pulled by adjusting the tensioning device, so as to avoid blocking the surgical field of vision. The position of the flap ensures the smooth progress of the flap separation process and saves the operation time.

上述仅为本发明的优选实施例而已,并不对本发明起到任何限制作用。任何所属技术领域的技术人员,在不脱离本发明的技术方案的范围内,对本发明揭露的技术方案和技术内容做任何形式的等同替换或修改等变动,均属未脱离本发明的技术方案的内容,仍属于本发明的保护范围之内。The above are only preferred embodiments of the present invention, and do not have any limiting effect on the present invention. Any person skilled in the art, within the scope of not departing from the technical solution of the present invention, makes any form of equivalent replacement or modification to the technical solution and technical content disclosed in the present invention, all belong to the technical solution of the present invention. content still falls within the protection scope of the present invention.

Claims (9)

1. An adjustable flap retractor, comprising: arc slide rail, slide, locking screw, tensioning equipment, stretch-draw line and drag hook, it is a plurality of slide slidable ground cover is established on the arc slide rail, tensioning equipment sets up on the slide, stretch-draw line sets up the inboard of arc slide rail, stretch-draw line is connected the drag hook with tensioning equipment is used for the top to push away the arc slide rail locking screw sets up on the slide.
2. The adjustable flap retractor of claim 1 wherein the locking screw is disposed outside of the arcuate slide track.
3. The adjustable flap retractor of claim 1 wherein the arcuate rails are provided with end caps at both ends.
4. The adjustable flap retractor according to claim 1, wherein the tensioning device comprises a support tube, a threading tube, an end cap and a tensioning knob, the support tube is arranged on the slide seat, the threading tube is arranged on the support tube along the radial direction of the arc-shaped slide rail, the end cap is arranged on the threading tube, the threading tube is far away from one end of the tensioning line, the tensioning knob comprises a cover body, a connecting column and a wrapping column which are sequentially connected, the connecting column is arranged in the support tube, the support tube is far away from one end of the slide seat and is provided with a pipe tooth, the cover body is provided with an end tooth which is matched with the pipe tooth, the wrapping column is provided with a threading hole, and the tensioning line passes through the threading tube and is connected with the end cap through the threading hole.
5. The adjustable skin flap retractor according to claim 4 wherein the threading tube is located between the slide and the threading hole.
6. The adjustable flap retractor according to claim 1 or 5 wherein the tensioning wire is an elastic wire.
7. The adjustable skin flap retractor according to claim 4, wherein an annular groove is formed in one side of the threading hole of the connecting column, which is close to the sliding seat, a spring leaf is arranged on the sliding seat, and one end of the spring leaf hooks the tensioning knob through the annular groove.
8. The adjustable flap retractor according to claim 1 wherein a side of the arcuate track remote from the tensioning device is provided with a track support for attachment to an operating table.
9. The adjustable flap retractor of claim 8 wherein the slide rail bracket comprises: bracing piece, lower plate, punch holder and lock sleeve, the lower plate sets up the bracing piece is kept away from arc slide rail one end, the punch holder wears to establish on the bracing piece, the lock sleeve wears to establish in order to compress tightly on the bracing piece the punch holder, the lock sleeve with the bracing piece passes through threaded connection.
CN202010575669.9A 2020-06-22 2020-06-22 Adjustable skin flap retractor Expired - Fee Related CN111938723B (en)

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