Auxiliary device for single-port endoscope breast surgery
By using a fixed base and multiple adjustment components to adjust the position of the single-port multi-channel trocar, the problem of inconvenient manual operation in single-port laparoscopic breast surgery is solved, thereby expanding the surgical cavity space and improving surgical efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2026-03-24
AI Technical Summary
In single-port laparoscopic breast surgery, current techniques require manually pulling the single-port multi-channel trocar to increase the surgical cavity space, which is inconvenient and affects the smooth progress of the surgery. How can we expand the surgical operating space without manual operation to improve efficiency and safety?
The device employs a linkage of a fixed base, a first adjustment component, a second adjustment component, and a third adjustment component to adjust the position of the single-port multi-channel trocar in multiple dimensions, thereby expanding the surgical cavity operating space. This includes swinging around the axis of the fixed base, horizontal adjustment, and vertical height adjustment, achieving precise adjustment of the trocar with multiple degrees of freedom.
It enables the expansion of the surgical cavity space without manual intervention, improving surgical stability and safety, and enhancing surgical efficiency.
Smart Images
Figure CN224023646U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical auxiliary equipment technical field, concretely relates to a kind of auxiliary device for single-hole endoscopic breast surgery. BACKGROUND
[0002] In recent years, endoscopic technology has been widely used in surgical treatment of breast diseases, among them, single-hole endoscopic breast surgery completes tumor resection or breast reconstruction through selecting a relatively concealed incision, its advantages such as minimally invasive, quick recovery, good cosmetic effect have been proved, in single-hole endoscopic breast surgery, single-hole multi-channel puncture device is usually used as main tool, which mainly includes puncture equipment, sealing body and incision protection sleeve. The surgical operation process is roughly as follows: the patient is first placed in supine position, the affected upper limb is extended 90° and fixed, then general anesthesia and routine disinfection and drape treatment are carried out. To ensure aseptic operation, the affected upper limb is wrapped in sterile drape and fixed at the position of 90° extension using sterile bandage. Next, a 3-5 cm longitudinal incision is selected on the chest lateral side, or a 3-5 cm arc-shaped incision is made at the skin fold of axillary fossa. Through these incisions, open sentinel lymph node biopsy or axillary lymph node dissection can be performed to establish necessary surgical cavity for subsequent surgical operation. After the forearm of the affected limb is flexed 90° and fixed at the head side, the hand support plate is removed, the disposable incision protection sleeve is placed into the incision on the chest lateral side or axillary fossa, and the sealing body is installed thereon. The upper part of the sealing body has multiple channels, a constant pressure air cavity device is placed into the trocar hole with a diameter of 12 mm, a 10 mm endoscope lens is placed into the trocar hole with a diameter of 10 mm, and two 5 mm trocar holes are used to place separating forceps and electric hook respectively. In order to form a stable surgical operation space, CO2 needs to be filled into the surgical cavity, the pressure is set to 8 mmHg (1 mmHg = 0.133 kPa), and the flow rate is 40 L / min. However, due to the limited space of the cavity, medical staff often need to manually pull the sealing body of the single-hole multi-channel puncture device to increase the internal space of the surgical cavity, so that more CO2 can be filled in, but this operation is extremely inconvenient and may affect the smooth progress of the operation. Therefore, how to develop an auxiliary device specially used for single-hole endoscopic breast surgery, which can effectively assist medical staff to increase the surgical operation space without manually pulling the puncture device, thereby improving the efficiency and safety of the operation, is an urgent problem to be solved. UTILITY MODEL CONTENTS
[0003] In view of the problems in the prior art, the utility model aims to provide an auxiliary device for single-hole endoscopic breast surgery, which can increase the internal space of the surgical cavity by pulling the single-hole multi-channel puncture device through the linkage control of the first adjusting assembly, the second adjusting assembly and the third adjusting assembly, so that more CO2 can be filled in, effectively assisting medical staff to improve the efficiency and safety of the operation.
[0004] To achieve the above object, the utility model discloses the following technical scheme:
[0005] A kind of auxiliary device for single-hole endoscopic breast surgery, comprising: the fixed seat of detachably being arranged in the side of bed;First adjusting assembly, the first adjusting assembly is arranged on the fixed seat, for actuating single-hole multi-channel puncture device swing around the axis of the fixed seat;Second adjusting assembly, the second adjusting assembly is arranged on the upper portion of the first adjusting assembly, for adjusting the lateral position of the single-hole multi-channel puncture device in horizontal direction;Third adjusting assembly, the third adjusting assembly includes upper and lower arrangement's lifting assembly and buckle assembly, the lifting assembly is slidably arranged in the moving end of second adjusting assembly, for adjusting the height position of the single-hole multi-channel puncture device in vertical direction, the buckle assembly is detachably connected to the single-hole multi-channel puncture device, wherein, the position of the single-hole multi-channel puncture device is adjusted by the linkage of the first adjusting assembly, the second adjusting assembly and the third adjusting assembly, to expand the operation space of surgical cavity.
[0006] Further, the side of the fixed seat is formed with a clamping groove, a pressing plate driven by a first screw is arranged in the clamping groove, and a clamping space for clamping the side of the bed is formed between the pressing plate and the clamping groove.
[0007] Further, the first adjusting assembly includes a fixed rod connected with the fixed seat and a rotating rod rotatably connected to the upper portion of the fixed rod, and the rotating rod is used to actuate the single-hole multi-channel puncture device to swing around the axis of the fixed seat.
[0008] Further, the second adjusting assembly includes a guide rail and a sliding block slidably arranged on the guide rail, the guide rail is fixed to the upper portion of the rotating rod, the guide rail is formed with a transverse slot and a longitudinal slot perpendicular to each other along the length direction thereof, and the side of the sliding block is slidably connected with a support rod, the support rod transversely penetrates the transverse slot, and is used to lock the lateral position of the sliding block.
[0009] Further, the lifting assembly includes a sliding rod and a clasp arranged in series, the sliding rod longitudinally penetrates the longitudinal slot, a plurality of connecting holes are arranged on the sliding rod at certain intervals along the length direction thereof, the support rod cooperates with one of the connecting holes, and is used to lock the height position of the sliding rod.
[0010] Further, the length of the transverse slot and the longitudinal slot is less than the length of the guide rail.
[0011] Further, the buckle assembly comprises a connecting seat and a clasp, the upper part of the connecting seat is detachably connected to the clasp, the lower part of the connecting seat is connected with the clasp through a flexible connecting piece, and the clasp is arranged on the outer side wall of the single-hole multi-channel puncture device.
[0012] Further, the clasp comprises a clasp ring with an opening and a tensioner, the inner wall of the clasp ring is provided with upper and lower protrusions staggered, and the upper and lower protrusions are formed with a limiting space for clamping the single-hole multi-channel puncture device, and the two ends of the tensioner are connected with the opening ends of the clasp ring respectively, and the embracing diameter of the clasp ring is changed by adjusting the tensioner.
[0013] Further, the flexible connecting piece is a nylon strap or a metal chain.
[0014] Further, the single-hole multi-channel puncture device has a connecting disc connected with the clasp, the outer side wall of the connecting disc is matched with the limiting space, the upper part of the connecting disc is provided with a sealing cover body, and the top of the sealing cover body is provided with a plurality of channels for receiving surgical instruments.
[0015] The utility model has the advantages of the following:
[0016] The auxiliary device of the utility model realizes the multi-degree-of-freedom accurate adjustment of the single-hole multi-channel puncture device in the spatial position through the cooperation of the fixing seat, the first adjusting assembly, the second adjusting assembly and the third adjusting assembly. The first adjusting assembly makes the puncture device swing around the fixing seat axis, the second adjusting assembly realizes the horizontal transverse position adjustment of the puncture device, and the third adjusting assembly completes the vertical height adjustment and rapid fixing through the lifting assembly and the buckle assembly, so that the operation space of the surgical cavity can be expanded, the manual operation is completely replaced, and the surgical stability and safety are improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the structure schematic view of the auxiliary device for single-hole endoscopic breast surgery of the utility model.
[0018] Figure 2 It is the three-dimensional structure schematic view of the fixing seat, the first adjusting assembly and the second adjusting assembly of the utility model.
[0019] Figure 3 It is the structure schematic view of the third adjusting assembly of the utility model.
[0020] Figure 4 It is the three-dimensional structure schematic view of the buckle assembly and the single-hole multi-channel puncture device of the utility model.
[0021] Figure 5 It is the three-dimensional exploded view of the buckle assembly and the single-hole multi-channel puncture device of the utility model.
[0022] Figure 6 It is the stereogram structure schematic diagram of the clamp and the flexible connecting piece.
[0023] Figure 7 It is the stereogram structure schematic diagram of the single-hole multi-channel puncture device.
[0024] Wherein, 1 is fixed seat, 101 is clamping groove, 102 is first screw rod, 103 is pressing plate, 1a is clamping space, 2 is first adjusting assembly, 201 is fixed rod, 202 is rotating rod, 203 is second screw rod, 3 is second adjusting assembly, 301 is guide rail, 301a is horizontal through slot, 301b is longitudinal through slot, 302 is sliding block, 302a is horizontal through hole, 302b is longitudinal through hole, 303 is support rod, 4 is third adjusting assembly, 401 is lifting assembly, 401a is sliding rod, 401a1 is connecting hole, 401b is clasp, 402 is buckle assembly, 402a is connecting seat, 402b is clamp, 402b1 is hoop ring, 402b2 is upper protrusion, 402b3 is lower protrusion, 402b4 is limiting space, 402b5 is tensioner, 402c is flexible connecting piece, 5 is single-hole multi-channel puncture device, 501 is connecting disc, 501a is connecting port, 502 is sealing cover body, 503 is channel. DETAILED DESCRIPTION
[0025] The following description is merely exemplary in nature and is in no way intended to limit the present application, its application, or uses. It should be understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. It will be understood that when an element, component, and / or part is referred to as being "connected to" another element, component, and / or part, it can be directly connected to the other element, component, and / or part or intervening elements can be present. It will be understood that, although the terms "first," "second," etc. can be used herein to describe various elements, components, and / or parts, these elements, components, and / or parts should not be limited by these terms. These terms are only used to distinguish one element, component, or part from another element, component, or part. Thus, a first element, component, or part discussed below could be termed a second element, component, or part without departing from the teachings of the present application. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and / or the
[0026] It is to be understood that the drawings shown herein are not drawn to scale and that the same or similar reference numerals in the drawings indicate the same or similar components or parts. Furthermore, it is to be understood that any embodiment described in this application and the technical features they comprise can be combined with each other.
[0027] The present application will be further described with reference to the drawings and specific embodiments.
[0028] As Figures 1-3 shown, an auxiliary device for single-hole endoscopic breast surgery generally comprises a fixing base 1, a first adjusting assembly 2, a second adjusting assembly 3, and a third adjusting assembly 4, which together define a multi-dimensional support adjusting system for adjusting a single-hole multi-channel puncture device 5.
[0029] As Figure 1 and Figure 2As shown, the fixing base 1 is detachably mounted on one side of the bed frame, and its overall structure is square. The side of the fixing base 1 has a square slot that matches the shape of the side of the bed frame. A pressure plate 103, driven by a first screw 102, is located within the slot 101. The pressure plate 103 is approximately parallel to the fixing base 1. A slot hole is formed at the top of the slot 101. The first screw 102 is inserted through the slot hole and extends into the slot 101, thereby fixing it to the pressure plate 103. By threading the first screw 102 into the slot hole, the pressure plate 103 can be driven to move up and down within the slot 101, thus forming a clamping space 1a between the pressure plate 103 and the slot 101 for clamping one side of the bed frame.
[0030] In an embodiment not shown, a protrusion is provided on one side of the pressure plate 103, and a corresponding groove is provided on the inner sidewall of the slot 101. The protrusion and the groove slide together, so that the pressure plate 103 moves stably along the groove path, further improving the motion stability and clamping reliability of the pressure plate 103.
[0031] Continue to refer to Figure 1 and Figure 2 The first adjustment component 2 is disposed on the fixed base 1 and is used to actuate the single-hole multi-channel trocar 5 to swing around the axis of the fixed base 1. The first adjustment component 2 includes a fixed rod 201 connected to the fixed base 1. The fixed rod 201 is generally cylindrical. One end of the fixed rod 201 is connected to the top of the fixed base 1, and the other end of the fixed rod 201 extends upward to a certain height. The other end of the fixed rod 201 is rotatably connected to a rotating rod 202. The rotating rod 202 is used to actuate the single-hole multi-channel trocar 5 to swing around the axis of the fixed base 1. A second screw 203 is also disposed on the upper side wall of the fixed rod 201, which is used to lock the relative position of the rotating rod 202 and the fixed rod 201.
[0032] Continue to refer to Figure 1 and Figure 2, the second adjusting assembly 3 is arranged on the upper part of the first adjusting assembly 2, and is used for adjusting the transverse position of the single-hole multi-channel puncture device 5 in the horizontal direction. The second adjusting assembly 3 comprises a guide rail 301 and a sliding block 302 slidably arranged on the guide rail 301. The guide rail 301 is in the form of a cuboid rod structure as a whole. One end of the guide rail 301 is fixed to the upper part of the rotating rod 202, and the other end of the guide rail 301 extends outward to a certain length in the horizontal direction. The guide rail 301 is formed with a transverse through slot 301a and a longitudinal through slot 301b perpendicular to each other along the length direction of the guide rail 301. The side part of the sliding block 302 is slidably connected with a supporting rod 303, and the supporting rod 303 transversely penetrates through the transverse through slot 301a and is used for locking the transverse position of the sliding block 302. The sliding block 302 is in the form of a square structure, and a sliding groove is formed in the lower part of the sliding block 302 and is clamped on the guide rail 301. The side part of the sliding block 302 is provided with a transverse through hole 302a, the supporting rod 303 is inserted into the sliding groove of the sliding block 302 from the transverse through hole 302a and penetrates through the transverse through slot 301a, and then the supporting rod 303 is screwed and fixed from the other side of the sliding block 302 by a nut. The length of the transverse through slot 301a and the length of the longitudinal through slot 301b are both less than the length of the guide rail 301. The transverse through slot 301a and the longitudinal through slot 301b extend from one end of the guide rail 301 to the vicinity of the other end of the guide rail 301. The other end of the guide rail 301 is provided with a stopper for preventing the sliding block 302 from sliding out and falling off.
[0033] Next, referring to Figure 1 and Figure 3 , the third adjusting assembly 4 comprises a lifting assembly 401 and a buckle assembly 402 arranged in an up-down manner. The lifting assembly 401 is slidably arranged on the moving end of the second adjusting assembly 3, and the moving end is defined as the sliding block 302. The lifting assembly 401 is used for adjusting the height position of the single-hole multi-channel puncture device 5 in the vertical direction. The buckle assembly 402 is detachably connected to the single-hole multi-channel puncture device 5. Through the linkage of the first adjusting assembly 2, the second adjusting assembly 3 and the third adjusting assembly 4, the position of the single-hole multi-channel puncture device 5 is adjusted to expand the operation space of the surgical cavity.
[0034] Continuing to refer to Figure 1 and Figure 3The lifting assembly 401 comprises a slide rod 401a and a hook 401b arranged in series. The slide rod 401a longitudinally penetrates the longitudinal through slot 301b, wherein the top of the slide block 302 has a longitudinal through hole 302b, the slide rod 401a is inserted into the slide slot of the slide block 302 from the longitudinal through hole 302b and penetrates the longitudinal through slot 301b, and continues to extend downward to be connected with the hook 401b. A plurality of connecting holes 401a1 are arranged on the slide rod 401a at intervals along the length direction of the slide rod 401a, and the support rod 303 is matched with one of the connecting holes 401a1 and used for locking the height position of the slide rod 401a. When the lateral position and the height position of the single-hole multi-channel puncture device 5 need to be adjusted, the support rod 303 is first pulled out, the slide block 302 is moved to a predetermined position, the height position of the slide rod 401a is adjusted, and finally the support rod 303 is inserted from the lateral through hole 302a, sequentially penetrates the lateral through slot 301a and the connecting hole 401a1, and then penetrates out of the other side of the slide block 302, and is locked by a nut.
[0035] In an embodiment not shown, the slide rod 401a is provided with a rack along the length direction of the slide rod 401a, and the outer wall of the support rod 303 is provided with a latch matched with the rack, so that the support rod 303 is rotationally connected with the slide rod 401a. In use, the support rod 303 is only needed to be rotated, and the slide rod 401a can be moved up and down through the cooperation of the latch and the rack, so as to adjust the height position of the single-hole multi-channel puncture device 5.
[0036] Next, referring to Figure 1 , 3 , 4-7, the buckle assembly 402 comprises a connecting seat 402a and a clasp 402b. The upper part of the connecting seat 402a is detachably connected to the hook 401b, and the lower part of the connecting seat 402a is connected to the clasp 402b through a flexible connecting piece 402c. The clasp 402b is arranged on the outer side wall of the single-hole multi-channel puncture device 5, and the clasp 402b can be replaced with different sizes according to the size of the puncture device. In this embodiment, the connecting seat 402a comprises a connecting ring and a fixing ring arranged vertically. The connecting ring is arranged on the hook 401b, and the two sides of the fixing ring are connected to the clasp 402b through the flexible connecting piece 402c. The flexible connecting piece 402c is a nylon strap or a metal chain.
[0037] The clamp 402b comprises a clamp ring 402b1 with an opening facilitating installation and removal, and a tensioner 402b5. The inner wall of the clamp ring 402b1 is provided with upper and lower protrusions 402b2 and 402b3 staggeredly distributed, and a limiting space 402b4 for clamping the single-hole multi-channel puncture device 5 is formed between the upper and lower protrusions 402b2 and 402b3. The two ends of the tensioner 402b5 are connected with the opening ends of the clamp ring 402b1 respectively, and the embracing diameter of the clamp ring 402b1 is changed by adjusting the tensioner 402b5. The number of the upper and lower protrusions 402b2 and 402b3 can be arranged according to actual needs, for example, 2, 4, 6, etc. The tensioner 402b5 can be a screw tensioner, a ratchet tensioner or an elastic tensioner, etc. In this embodiment, the tensioner 402b5 is a screw tensioner, the fixed end of the clamp ring 402b1 is fixed to one end of the screw tensioner, and the moving end of the clamp ring 402b1 is slidingly connected to the other end of the screw tensioner. A screw rod is arranged in the screw tensioner, and the moving end of the clamp ring 402b1 is moved along the length direction of the screw rod by rotating the screw rod, so as to tightly fit the puncture device.
[0038] As shown in FIGS. Figure 4 , 5 and 7, the single-hole multi-channel puncture device 5 has a connecting disc 501 connected with the clamp 402b. The outer side wall of the connecting disc 501 cooperates with the limiting space 402b4. The bottom of the connecting disc 501 has a connecting port 501a corresponding to the incision of the patient. The upper part of the connecting disc 501 is provided with a sealing cover 502 providing space for inserting surgical instruments into the incision. The top of the sealing cover 502 is provided with a plurality of channels 503 for receiving surgical instruments.
[0039] Based on the above-mentioned auxiliary device for single-hole endoscopic breast surgery, in use, first, the fixed seat 1 is clamped and fixed on one side of the bed body through the clamping groove 101 and the pressing plate 103. The single-hole multi-channel puncture device 5 is driven to swing around the axis of the fixed seat 1 by the rotating rod 202 of the first adjusting assembly 2, and the angle thereof is adjusted. The horizontal position of the puncture device is adjusted by the sliding block 302 of the second adjusting assembly 3 moving transversely along the guide rail 301. The height position of the puncture device is adjusted by the sliding rod 401a of the third adjusting assembly 4 sliding in the longitudinal slot 301b, and the height is locked by the cooperation of the supporting rod 303 and the connecting hole 401a1. The clamp 402b of the buckle assembly 402 is fixed with the connecting disc 501 of the puncture device, the embracing diameter of the clamp ring 402b1 is adjusted by the tensioner 402b5, and the puncture device is stably connected. When it is necessary to expand the operation space of the surgical cavity, the puncture device is lifted by the linkage adjustment of the adjusting assemblies, and then the operation space of the surgical cavity is expanded to meet the surgical requirements.
[0040] Overall, the auxiliary device of the utility model realizes the accurate adjustment of single-hole multi-channel puncture device in the spatial position through the cooperation of the fixing seat, the first adjusting assembly, the second adjusting assembly and the third adjusting assembly. The first adjusting assembly makes the puncture device swing around the fixing seat axis, the second adjusting assembly realizes the horizontal lateral position adjustment of the puncture device, and the third adjusting assembly completes the vertical height adjustment and quick fixing through the lifting assembly and the buckle assembly, so as to be capable of expanding the operation space of the operation cavity, completely replacing the manual operation, and improving the operation stability and safety.
[0041] The above embodiment is the preferred embodiment of the utility model, but the embodiment of the utility model is not limited by the above embodiment, and any change, modification, replacement, combination, simplification, which does not deviate from the spirit and principle of the utility model, should be an equivalent replacement mode, and all are included in the protection scope of the utility model.
Claims
1. An auxiliary device for single-port laparoscopic breast surgery, characterized in that, include: A detachable mounting base is installed on one side of the bed. A first adjustment component is disposed on the fixed base and is used to actuate the single-hole multi-channel puncture device to swing about the axis of the fixed base. The second adjustment component is disposed above the first adjustment component and is used to adjust the lateral position of the single-hole multi-channel puncture device in the horizontal direction. The third adjustment component includes a lifting component and a latching component arranged vertically. The lifting component is slidably disposed on the moving end of the second adjustment component and is used to adjust the height of the single-port multi-channel trocar in the vertical direction. The latching component is detachably connected to the single-port multi-channel trocar. The position of the single-port multi-channel trocar is adjusted by the linkage of the first adjustment component, the second adjustment component and the third adjustment component to expand the surgical cavity operating space.
2. The auxiliary device for single-port laparoscopic breast surgery according to claim 1, characterized in that, A slot is formed on the side of the fixed seat, and a pressure plate driven by a first screw is provided in the slot. A clamping space for clamping one side of the bed is formed between the pressure plate and the slot.
3. The auxiliary device for single-port laparoscopic breast surgery according to claim 1, characterized in that, The first adjustment assembly includes a fixed rod connected to the fixed base and a rotating rod rotatably connected to the upper part of the fixed rod. The rotating rod is used to actuate the single-hole multi-channel puncture device to swing about the axis of the fixed base.
4. The auxiliary device for single-port laparoscopic breast surgery according to claim 3, characterized in that, The second adjustment component includes a guide rail and a slider slidably disposed on the guide rail. The guide rail is fixed to the upper part of the rotating rod. The guide rail has mutually perpendicular transverse and longitudinal through grooves along its length. A support rod is slidably connected to the side of the slider. The support rod passes through the transverse through groove laterally to lock the lateral position of the slider.
5. An auxiliary device for single-port laparoscopic breast surgery according to claim 4, characterized in that, The lifting assembly includes a slide rod and a hook arranged in series. The slide rod extends longitudinally through the longitudinal through groove. Multiple connecting holes are provided on the slide rod at certain intervals along its length. The support rod cooperates with one of the connecting holes to lock the height position of the slide rod.
6. An auxiliary device for single-port laparoscopic breast surgery according to claim 4, characterized in that, The lengths of both the transverse through groove and the longitudinal through groove are less than the length of the guide rail.
7. An auxiliary device for single-port laparoscopic breast surgery according to claim 5, characterized in that, The buckle assembly includes a connecting seat and a clamp. The upper part of the connecting seat is detachably connected to the hook, and the lower part of the connecting seat is connected to the clamp via a flexible connector. The clamp is disposed on the outer wall of the single-hole multi-channel puncture device.
8. An auxiliary device for single-port laparoscopic breast surgery according to claim 7, characterized in that, The clamp includes an open ring and a tensioner. The inner wall of the ring has staggered upper and lower protrusions, and a limiting space is formed between the upper and lower protrusions for engaging the single-hole multi-channel puncture device. The two ends of the tensioner are respectively connected to the open end of the ring, and the encircling diameter of the ring is changed by adjusting the tensioner.
9. An auxiliary device for single-port laparoscopic breast surgery according to claim 7, characterized in that, The flexible connector is a nylon strap or a metal chain.
10. An auxiliary device for single-port laparoscopic breast surgery according to claim 8, characterized in that, The single-hole multi-channel trocar has a connecting plate that is connected to the clamp. The outer wall of the connecting plate cooperates with the limiting space. A sealing cover is provided on the upper part of the connecting plate. The top of the sealing cover is provided with multiple channels for receiving surgical instruments.