技术领域technical field
本发明主要涉及微创手术应用的缝合器械，尤其涉及一种腔镜手术缝合装置。The invention mainly relates to a suturing instrument used in minimally invasive surgery, in particular to a suturing device for endoscopic surgery.
背景技术Background technique
微创外科手术因其损伤小、出血少、术后恢复快的良好性能，近年来受到了临床医师及患者的共同重视，在临床得到广泛应用。腹腔内生物软组织面积大、结构多变，表面湿滑且具有柔性。腔镜手术缝合对于腔镜手术医生是一种技术挑战。它通常需要使用有限的步骤对组织进行缝合打结。腔镜手术缝合挑战主要在以下几点：1、术者在一个三维空间下进行操作，但视觉只能看到二维空间下的操作。2、自从术者采用细长的刚性轴杆进行操作，最具挑战的是通过组织用于抓取的缝合针及在的定位缺少腕部活动；更有甚者，在缝合后如何打合适的结，如何通过细小腔镜通道在组织合适的位置保证结的安全性。Minimally invasive surgery has attracted the attention of clinicians and patients in recent years due to its good performance of less damage, less bleeding, and quick postoperative recovery, and has been widely used in clinic. The biological soft tissue in the abdominal cavity has a large area, variable structure, slippery and flexible surface. Laparoscopic suturing is a technical challenge for laparoscopic surgeons. It typically requires suturing and knotting the tissue using a limited number of steps. The challenges of laparoscopic suturing mainly lie in the following points: 1. The operator operates in a three-dimensional space, but the vision can only see the operation in a two-dimensional space. 2. Since the operator uses a slender rigid shaft to operate, the most challenging thing is to organize the suture needle for grasping and the lack of wrist movement in the positioning; what's more, how to make a proper fit after suturing Knot, how to ensure the safety of the knot at a suitable position in the tissue through the small endoscopic channel.
现有腔镜手术缝合器械一般是通过弯针进行手工缝合或采用切割缝合器对组织进行钉缝，存在缝合效率低下、操作费时费力等问题。如果能在保证组织缝合区域的前提下仅通过单手实现可连续缝合，将极大地简化医生操作过程、提高缝合效率、有利于患者恢复，同时提升缝合质量及准确性。The existing laparoscopic surgery suturing instruments generally use curved needles for manual suturing or use cutting staplers to staple tissues, which have problems such as low suturing efficiency and time-consuming and laborious operations. If continuous suturing can be achieved with only one hand while ensuring the tissue suturing area, it will greatly simplify the doctor's operation process, improve the suturing efficiency, benefit the patient's recovery, and improve the suture quality and accuracy at the same time.
发明内容Contents of the invention
本发明要解决的技术问题是克服现有技术的不足，提供一种结构紧凑、操作方便舒适、安全性高、可缩短缝合时间的腔镜手术缝合装置。The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a laparoscopic suturing device with compact structure, convenient and comfortable operation, high safety and shortened suturing time.
为解决上述技术问题，本发明采用以下技术方案：In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:
一种腔镜手术缝合装置，包括驱动手柄、连接套杆和两个弧形针鞘，所述驱动手柄连接于连接套杆的一端，两个弧形针鞘呈对称连接在连接套杆的另端，任一弧形针鞘内活动套装有缝合弯针，两个弧形针鞘还套装有延伸至连接套杆内的往复送针器，两根往复送针器之间设有位于连接套杆内的副推杆，所述驱动手柄与副推杆之间设有位于连接套杆内的主推杆，交替操作驱动手柄时，主推杆驱使副推杆交替的分别和两根往复送针器形成连接，两根往复送针器交替的顶推缝合弯针驱使其在两个弧形针鞘间来回运动。A laparoscopic suturing device, comprising a driving handle, a connecting sleeve rod and two arc-shaped needle sheaths, the driving handle is connected to one end of the connecting sleeve rod, and the two arc-shaped needle sheaths are symmetrically connected to the other end of the connecting sleeve rod At the end, any curved needle sheath is equipped with a suture looper, and the two arc-shaped needle sheaths are also equipped with a reciprocating needle feeder extending into the connecting sleeve rod. The auxiliary push rod in the rod, the main push rod located in the connecting sleeve rod is arranged between the driving handle and the auxiliary push rod. When the driving handle is alternately operated, the main push rod drives the auxiliary push rod to alternately send the The needle device forms a connection, and the two reciprocating needle feeders alternately push the suture looper to drive it to move back and forth between the two curved needle sheaths.
作为上述技术方案的进一步改进：As a further improvement of the above technical solution:
所述主推杆沿顶推端的周向间隔布置有多个楔块和推块，所述副推杆沿受推端的周向间隔布置有多个分别与楔块以及推块相匹配的旋转受推块和直行受推块，当驱动手柄驱使楔块顶推旋转受推块时，所述副推杆与待送针的往复送针器连接，当驱动手柄驱使推块顶推直行受推块时，所述副推杆驱使待送针的往复送针器直行送针。The main push rod is arranged with a plurality of wedges and push blocks at intervals along the circumferential direction of the push end, and the auxiliary push rod is arranged with a plurality of rotating receiving blocks respectively matched with the wedges and push blocks at intervals along the circumference of the pushed end. When the drive handle drives the wedge to push and rotate the pushed block, the auxiliary push rod is connected with the reciprocating needle feeder to send the needle. When the drive handle drives the push block to push the straight pushed block , the auxiliary push rod drives the reciprocating needle feeder to feed the needle straightly.
所述往复送针器包括送针杆和复位弹簧，所述送针杆一端伸至相应弧形针鞘内，另一端与副推杆交替连接，所述复位弹簧套装在送针杆上。The reciprocating needle feeder includes a needle feed rod and a return spring. One end of the needle feed rod extends into the corresponding arc-shaped needle sheath, and the other end is alternately connected with the auxiliary push rod. The return spring is sleeved on the needle feed rod.
所述送针杆于连接端开设有凹槽，所述副推杆于顶推端设有凸块，楔块顶推旋转受推块时，所述凸块旋转并与相应的凹槽配接，推块顶推直行受推块时，凸块顶推凹槽驱使副推杆直行。The needle feeding rod is provided with a groove at the connecting end, and the auxiliary push rod is provided with a bump at the pushing end. When the wedge pushes and rotates the pushed block, the bump rotates and matches with the corresponding groove. , when the pushing block pushes straight and goes straight and the pushed block is pushed, the projection pushes the groove to drive the auxiliary push rod to go straight.
所述送针杆于伸入弧形针鞘内的部分设置为橡胶卡部。The part of the needle-feeding rod extending into the arc-shaped needle sheath is set as a rubber clamping part.
所述送针杆与橡胶卡部接合的端面设置为磁性面。The end face of the needle feeding rod engaged with the rubber clamping part is set as a magnetic surface.
所述驱动手柄包括固定柄和按压柄，所述固定柄固装在连接套杆端部，所述按压柄与固定柄活动铰接并与主推杆连接。The driving handle includes a fixed handle and a pressing handle, the fixed handle is fixed on the end of the connecting sleeve rod, and the pressing handle is articulated with the fixed handle and connected with the main push rod.
所述固定柄和按压柄之间装设有复位扭簧。A reset torsion spring is installed between the fixed handle and the pressing handle.
与现有技术相比，本发明的优点在于：Compared with the prior art, the present invention has the advantages of:
本发明的腔镜手术缝合装置，手术时，单手按压驱动手柄一次，驱动手柄顶推主推杆，主推杆驱使副推杆与待送针的往复送针器连接，再按压一次时，主推杆驱使副推杆直行顶推该往复送针器，使得往复送针器将缝合弯针送出该弧形针鞘，同时缝合弯针穿过手术待缝合部位并进入另外一个弧形针鞘，当按压一次时，主推杆驱使副推杆又与另外一个待送针的往复送针器连接，而后再按压主推杆驱使副推杆直行顶推该往复送针器，又将缝合弯针送出该弧形针鞘并回到原弧形针鞘，以此为一次完整的缝合动作，依照此动作往复操作直至完成缝合手术。较传统的手工缝合或采用切割缝合器而言，该缝合装置采用自动往复插接结构实现对组织的自动穿针缝合，具有角度可控，可单手操作，从而解放术者另一手，适应多种组织器官，操作更精准安全。本发明的缝合装置结构紧凑，避免术者缝针时来回转腕不便引起的疲劳，操作简单方便，提高术者操作舒适性与方便性，缩短了有效缝合时间，进而有助于缩短患者手术时间提高就医安全性。In the endoscopic surgery suturing device of the present invention, during surgery, the driving handle is pressed once with one hand, and the driving handle pushes the main push rod, and the main push rod drives the auxiliary push rod to connect with the reciprocating needle feeder to be sent, and when pressed again, The main push rod drives the auxiliary push rod to push the reciprocating needle feeder straight, so that the reciprocating needle feeder sends the suture looper out of the arc-shaped needle sheath, and at the same time the suture looper passes through the part to be sutured and enters another arc-shaped needle sheath , when pressed once, the main push rod drives the auxiliary push rod to connect with another reciprocating needle feeder to be fed, and then presses the main push rod to drive the auxiliary push rod to push the reciprocating needle feeder straightly, and then bends the suture The needle sends out the arc-shaped needle sheath and returns to the original arc-shaped needle sheath, which is a complete suturing action, and reciprocates according to this action until the suturing operation is completed. Compared with the traditional manual suturing or using a cutting stapler, the suturing device adopts an automatic reciprocating insertion structure to realize automatic stitching and suturing of tissues. A variety of tissues and organs, the operation is more precise and safe. The suturing device of the present invention has a compact structure, avoids the operator’s fatigue caused by the inconvenience of turning the wrist back and forth when sewing needles, is simple and convenient to operate, improves the operator’s operating comfort and convenience, shortens the effective suturing time, and further helps to shorten the patient’s operation time Improve medical security.
附图说明Description of drawings
图1是本发明的立体结构示意图。Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.
图2是本发明的局部结构示意图（送针端）。Fig. 2 is a schematic diagram of the partial structure of the present invention (needle delivery end).
图3是本发明的局部剖视结构示意图。Fig. 3 is a partial cross-sectional structural schematic diagram of the present invention.
图4是本发明的局部立体结构示意图。Fig. 4 is a schematic diagram of a partial three-dimensional structure of the present invention.
图5是本发明的局部结构示意图（操作端）。Fig. 5 is a schematic diagram of a partial structure (operating end) of the present invention.
图中各标号表示：Each label in the figure means:
1、驱动手柄；11、固定柄；12、按压柄；13、复位扭簧；2、连接套杆；3、弧形针鞘；4、缝合弯针；5、往复送针器；51、送针杆；511、凹槽；512、橡胶卡部；52、复位弹簧；6、副推杆；61、旋转受推块；62、直行受推块；63、凸块；7、主推杆；71、楔块；72、推块。1. Driving handle; 11. Fixed handle; 12. Pressing handle; 13. Resetting torsion spring; 2. Connecting sleeve rod; 3. Curved needle sheath; 4. Suture looper; Needle bar; 511, groove; 512, rubber clamping part; 52, return spring; 6, auxiliary push rod; 61, rotating pushed block; 71, wedge; 72, push block.
具体实施方式Detailed ways
以下将结合说明书附图和具体实施例对本发明做进一步详细说明。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
图1至图5示出了本发明腔镜手术缝合装置的一种实施例，包括驱动手柄1、连接套杆2和两个弧形针鞘3，驱动手柄1连接于连接套杆2的一端，两个弧形针鞘3呈对称连接在连接套杆2的另端，任一弧形针鞘3内活动套装有缝合弯针4，两个弧形针鞘3还套装有延伸至连接套杆2内的往复送针器5，两根往复送针器5之间设有位于连接套杆2内的副推杆6，驱动手柄1与副推杆6之间设有位于连接套杆2内的主推杆7，交替操作驱动手柄1时，主推杆7驱使副推杆6交替的分别和两根往复送针器5形成连接，两根往复送针器5交替的顶推缝合弯针4驱使其在两个弧形针鞘3间来回运动。手术时，单手按压驱动手柄1一次，驱动手柄1顶推主推杆7，主推杆7驱使副推杆6与待送针的往复送针器5连接，再按压一次时，主推杆7驱使副推杆6直行顶推该往复送针器5，使得往复送针器5将缝合弯针4送出该弧形针鞘3，同时缝合弯针4穿过手术待缝合部位并进入另外一个弧形针鞘3，当按压一次时，主推杆7驱使副推杆6又与另外一个待送针的往复送针器5连接，而后再按压主推杆7驱使副推杆6直行顶推该往复送针器5，又将缝合弯针4送出该弧形针鞘3并回到原弧形针鞘3，以此为一次完整的缝合动作，依照此动作往复操作直至完成缝合手术。较传统的手工缝合或采用切割缝合器而言，该缝合装置采用自动往复插接结构实现对组织的自动穿针缝合，具有角度可控，可单手操作，从而解放术者另一手，适应多种组织器官，操作更精准安全。本发明的缝合装置结构紧凑，避免术者缝针时来回转腕不便引起的疲劳，操作简单方便，提高术者操作舒适性与方便性，缩短了有效缝合时间，进而有助于缩短患者手术时间提高就医安全性。1 to 5 show an embodiment of the endoscopic suturing device of the present invention, including a driving handle 1, a connecting sleeve rod 2 and two arc needle sheaths 3, and the driving handle 1 is connected to one end of the connecting sleeve rod 2 , two curved needle sheaths 3 are symmetrically connected to the other end of the connecting sleeve rod 2, any curved needle sheath 3 is equipped with a suture looper 4, and the two curved needle sheaths 3 are also equipped with The reciprocating needle feeder 5 in the rod 2, the auxiliary push rod 6 located in the connecting sleeve rod 2 is arranged between the two reciprocating needle feeders 5, and the auxiliary push rod 6 located in the connecting sleeve rod 2 is arranged between the driving handle 1 and the auxiliary push rod 6. The main push rod 7 inside, when the driving handle 1 is alternately operated, the main push rod 7 drives the auxiliary push rod 6 to form connection with the two reciprocating needle feeders 5 alternately, and the two reciprocating needle feeders 5 alternately push the suture bend The needle 4 drives it to move back and forth between the two curved needle sheaths 3 . During the operation, press the driving handle 1 once with one hand, the driving handle 1 pushes the main push rod 7, and the main push rod 7 drives the auxiliary push rod 6 to connect with the reciprocating needle feeder 5 to be sent. When pressing again, the main push rod 7 Drive the auxiliary push rod 6 to go straight and push the reciprocating needle feeder 5, so that the reciprocating needle feeder 5 sends the suture looper 4 out of the arc-shaped needle sheath 3, and at the same time, the suture looper 4 passes through the site to be sutured and enters another The arc-shaped needle sheath 3, when pressed once, the main push rod 7 drives the auxiliary push rod 6 to connect with another reciprocating needle feeder 5 to be sent, and then presses the main push rod 7 to drive the auxiliary push rod 6 to push straight The reciprocating needle feeder 5 sends the suture looper 4 out of the arc-shaped needle sheath 3 and returns to the original arc-shaped needle sheath 3, which is a complete suturing action, and reciprocates according to this action until the suturing operation is completed. Compared with the traditional manual suturing or using a cutting stapler, the suturing device adopts an automatic reciprocating insertion structure to realize automatic stitching and suturing of tissues. A variety of tissues and organs, the operation is more precise and safe. The suturing device of the present invention has a compact structure, avoids the operator’s fatigue caused by the inconvenience of turning the wrist back and forth when sewing needles, is simple and convenient to operate, improves the operator’s operating comfort and convenience, shortens the effective suturing time, and further helps to shorten the patient’s operation time Improve medical security.
本实施例中，主推杆7沿顶推端的周向间隔布置有多个楔块71和推块72，副推杆6沿受推端的周向间隔布置有多个分别与楔块71以及推块72相匹配的旋转受推块61和直行受推块62，当驱动手柄1驱使楔块71顶推旋转受推块61时，副推杆6与待送针的往复送针器5连接，当驱动手柄1驱使推块72顶推直行受推块62时，副推杆6驱使待送针的往复送针器5直行送针。该结构中，楔块71和推块72交替的与相应的旋转受推块61以及直行受推块62接触作用，使得副推杆6产生周向转动，每转动180度时就与不同的往复送针器5连接，形成连接后，副推杆6会驱使往复送针器5直行完成一次送针动作，依次交替进行，从而实现缝合弯针4在两个弧形针鞘3间的来回动作，其结构简单紧凑，设计巧妙。In this embodiment, the main push rod 7 is arranged with a plurality of wedges 71 and push blocks 72 at intervals along the circumferential direction of the pushing end, and the auxiliary push rod 6 is arranged with a plurality of wedges 71 and push blocks at intervals along the circumferential direction of the pushed end. The block 72 matches the rotating pushed block 61 and the straight pushing block 62. When the drive handle 1 drives the wedge 71 to push the rotating pushed block 61, the auxiliary push rod 6 is connected with the reciprocating needle feeder 5 to be sent. When the driving handle 1 drives the push block 72 to push the straight-moving pushed block 62, the auxiliary push rod 6 drives the reciprocating needle feeder 5 to send the needle straight. In this structure, the wedge 71 and the pushing block 72 alternately contact with the corresponding rotating pushed block 61 and the straight pushing pushed block 62, so that the auxiliary push rod 6 rotates in the circumferential direction, and every time it rotates 180 degrees, it is in contact with a different reciprocating block. The needle feeder 5 is connected, and after the connection is formed, the auxiliary push rod 6 will drive the reciprocating needle feeder 5 to go straight to complete a needle feed action, which is performed alternately in sequence, so as to realize the back and forth movement of the suture looper 4 between the two arc-shaped needle sheaths 3 , its structure is simple and compact, and its design is ingenious.
本实施例中，往复送针器5包括送针杆51和复位弹簧52，送针杆51一端伸至相应弧形针鞘3内，另一端与副推杆6交替连接，复位弹簧52套装在送针杆51上。该结构中，送针杆51起到顶推送针的作用，而复位弹簧52则实现相应送针杆51和副推杆6的复合，以便下一次与副推杆6形成连接。In this embodiment, the reciprocating needle feeder 5 includes a needle feed rod 51 and a return spring 52. One end of the needle feed rod 51 extends into the corresponding arc-shaped needle sheath 3, and the other end is alternately connected with the auxiliary push rod 6. The return spring 52 is set on the On the needle bar 51. In this structure, the needle-feeding rod 51 plays the role of pushing the needle, and the return spring 52 realizes the recombination of the corresponding needle-feeding rod 51 and the auxiliary push rod 6 so as to form a connection with the auxiliary push rod 6 next time.
本实施例中，送针杆51于连接端开设有凹槽511，副推杆6于顶推端设有凸块63，楔块71顶推旋转受推块61时，凸块63旋转并与相应的凹槽511配接，推块72顶推直行受推块62时，凸块63顶推凹槽511驱使副推杆6直行。该结构中，受楔块71的作用，副推杆6带动凸块63作周向转动，每次转动180度，以实现与各送针杆51上的凹槽511配接，连接后则受推块72作用，凸块63顶推凹槽511驱使副推杆6直行，其结构简单实用。In this embodiment, the needle feeding rod 51 is provided with a groove 511 at the connecting end, and the auxiliary push rod 6 is provided with a protrusion 63 at the pushing end. When the wedge 71 pushes and rotates the pushed block 61, the protrusion 63 rotates and aligns with Corresponding grooves 511 are matched, and when the push block 72 pushes the pushed block 62 to go straight, the projection 63 pushes the groove 511 to drive the auxiliary push rod 6 to go straight. In this structure, under the action of the wedge 71, the auxiliary push rod 6 drives the protrusion 63 to rotate in the circumferential direction, and rotates 180 degrees each time to realize matching with the groove 511 on each needle-feeding rod 51. The push block 72 works, and the projection 63 pushes the groove 511 to drive the auxiliary push rod 6 to go straight, and its structure is simple and practical.
本实施例中，送针杆51于伸入弧形针鞘3内的部分设置为橡胶卡部512。该橡胶卡部512的设置一方面能产生形变，适于在弧形针鞘3中运动，另一方面当缝合弯针4被送入时，橡胶卡部512能对缝合弯针4形成一定的卡紧力，保证缝合弯针4在弧形针鞘3中的稳定性。In this embodiment, the part of the needle feeding rod 51 extending into the arc-shaped needle sheath 3 is set as a rubber clamping part 512 . The setting of the rubber clip 512 can produce deformation on the one hand, and is suitable for moving in the arc-shaped needle sheath 3; The clamping force ensures the stability of the suture looper 4 in the curved needle sheath 3 .
本实施例中，送针杆51与橡胶卡部512接合的端面设置为磁性面。这样设置，使得缝合弯针4被送入时磁性面能对其产生一定的吸力，进一步提高了缝合弯针4在弧形针鞘3中的稳定性。In this embodiment, the end surface of the needle feeding rod 51 and the rubber clamping portion 512 is set as a magnetic surface. This arrangement makes the magnetic surface of the suture looper 4 produce a certain suction force when it is sent in, further improving the stability of the suture looper 4 in the arc-shaped needle sheath 3 .
本实施例中，驱动手柄1包括固定柄11和按压柄12，固定柄11固装在连接套杆2端部，按压柄12与固定柄11活动铰接并与主推杆7连接。该结构中，固定柄11和按压柄12形成了类似剪刀结构，按压柄12下压时会带动主推杆7前移顶推副推杆6，按压柄12复位时，则带动主推杆7脱离副推杆6。In this embodiment, the driving handle 1 includes a fixed handle 11 and a pressing handle 12 , the fixing handle 11 is fixed on the end of the connecting sleeve rod 2 , and the pressing handle 12 is articulated with the fixed handle 11 and connected with the main push rod 7 . In this structure, the fixed handle 11 and the pressing handle 12 form a structure similar to scissors. When the pressing handle 12 is pressed down, it will drive the main push rod 7 to move forward and push the auxiliary push rod 6. When the pressing handle 12 is reset, it will drive the main push rod 7. Disengage the auxiliary push rod 6.
本实施例中，固定柄11和按压柄12之间装设有复位扭簧13。该复位扭簧13的设置保证了按压柄12的自动复位，不需要人工操作，大大提高了使用的方便性。In this embodiment, a return torsion spring 13 is installed between the fixed handle 11 and the pressing handle 12 . The setting of the reset torsion spring 13 ensures the automatic reset of the pressing handle 12 without manual operation, which greatly improves the convenience of use.
虽然本发明已以较佳实施例揭示如上，然而并非用以限定本发明。任何熟悉本领域的技术人员，在不脱离本发明技术方案范围的情况下，都可利用上述揭示的技术内容对本发明技术方案做出许多可能的变动和修饰，或修改为等同变化的等效实施例。因此，凡是未脱离本发明技术方案的内容，依据本发明技术实质对以上实施例所做的任何简单修改、等同变化及修饰，均应落在本发明技术方案保护的范围内。Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person familiar with the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make many possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent implementation of equivalent changes example. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382388.6ACN107898483B (en) | 2017-12-20 | 2017-12-20 | Endoscopic surgical suture device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382388.6ACN107898483B (en) | 2017-12-20 | 2017-12-20 | Endoscopic surgical suture device |
| Publication Number | Publication Date |
|---|---|
| CN107898483Atrue CN107898483A (en) | 2018-04-13 |
| CN107898483B CN107898483B (en) | 2024-05-07 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711382388.6AActiveCN107898483B (en) | 2017-12-20 | 2017-12-20 | Endoscopic surgical suture device |
| Country | Link |
|---|---|
| CN (1) | CN107898483B (en) |
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| US20100185218A1 (en)* | 2009-01-16 | 2010-07-22 | Rhaphis Medical, Inc. | Surgical Suturing Latch |
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| CN111134745A (en)* | 2020-02-27 | 2020-05-12 | 连云港市第一人民医院 | Vascular stapler |
| CN111481247A (en)* | 2020-04-20 | 2020-08-04 | 黄宗声 | A stapler for gastroenteroscopy and its operation method |
| CN111481247B (en)* | 2020-04-20 | 2021-04-06 | 广西壮族自治区人民医院 | A stapler for gastroenteroscopy and its operation method |
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