CN217430061U - Single-port laparoscope channel device - Google Patents

Abstract

The application relates to the technical field of medical instruments, and provides a single-port laparoscope channel device which comprises a multi-channel sealing element, an external annular fixing element, an internal conical fixing element and an incision channel isolation sleeve; the annular connecting base of the multi-channel sealing element is directly and hermetically connected with the external annular fixing element, and the top end of the incision channel isolation sleeve is fixedly connected with the external annular fixing element, so that other connecting elements in the middle are omitted, the longitudinal thickness of the channel device is reduced on the whole, the length of a channel from the surgical instrument to the inside of the abdominal cavity is shortened, the restriction on the surgical instrument is reduced, and the operable space is enlarged; in addition, the internal conical fixing piece connected with the bottom end of the incision channel isolation sleeve is supported in the abdominal incision channel, the abdominal incision channel can be stretched on the inner side of an abdominal incision, the rotating angle of a surgical instrument entering the abdominal cavity through the abdominal incision channel for operation can be increased, and the operability space of the surgical instrument is increased, so that the smooth operation of the operation is facilitated.

Description

Single-port laparoscope channel device

Technical Field

The application belongs to the technical field of medical instruments, and more particularly relates to a single-port laparoscope channel device.

Background

The transumbilical single-port laparoscopic surgery refers to the operation of a surgical instrument (often a plurality of surgical instruments) entering an abdominal cavity through an incision of an umbilical region of a patient for related operation, and after the surgery is finished, the surgical incision can be shielded by using a wrinkled wall of the umbilical region. The traditional laparoscopic surgery usually needs two or three or four incisions on the abdomen of a patient, and different surgical instruments respectively enter the abdomen from different incisions to perform related surgical operations. Compared with the umbilical single-port laparoscopic surgery, the umbilical single-port laparoscopic surgery has the characteristics of outstanding minimally invasive performance, safety, economy, aesthetic property, less postoperative pain and the like. However, the single-port laparoscopic surgery is limited by the number of the channels, the surgical site is limited, traction of adjacent visceral organs is difficult, the device placement sites are relatively concentrated, an operation triangle is difficult to form, the devices interfere with each other, the operation and the surgical field of view are easily influenced, and the device and the light source are coaxial, so that the judgment of the depth and the distance of an operator is influenced to a certain extent, and the surgical difficulty is increased.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the present application is to provide a single port laparoscopic channel device, so as to solve the technical problem that the surgical operation is difficult due to the small operable range of the surgical instrument caused by the single port laparoscopic channel device in the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the single-port laparoscope channel device comprises a multi-channel sealing element, an external annular fixing element, an internal conical fixing element and a cut channel isolation sleeve;

the multi-channel sealing element comprises an annular connecting base and a flexible body, the top end of the annular connecting base is connected with the flexible body in a sealing mode, a plurality of access channels are formed in the top end of the flexible body, one part of the access channels is connected with a connecting cylinder respectively, the connecting cylinder is used for providing a channel for surgical instruments to enter, and the other part of the access channels is connected with an air inlet pipeline respectively;

the internal conical fixing piece is of a hollow structure, the top end of the cut channel isolation sleeve is fixedly connected with the external annular fixing piece, and the bottom end of the cut channel isolation sleeve is fixedly connected with the internal conical fixing piece; the inner conical fixing piece is used for being supported in the abdominal incision channel, the large end of the inner conical fixing piece is clamped and fixed at the port of the inner side end of the abdominal incision, and the outer annular fixing piece is used for being clamped and fixed at the port of the outer side end of the abdominal incision and is in sealing connection with the bottom end of the annular connecting base.

Optionally, the bottom end of the cut-out passage isolation sleeve is penetrated by the small end of the internal conical fixing piece, penetrates out of the large end of the internal conical fixing piece and is fixed on the large end edge of the internal conical fixing piece.

Optionally, the diameter of the bottom end of the isolating sleeve of the cut channel is matched with the outer diameter of the large end of the inner conical fixing piece, and the diameter of the top end of the isolating sleeve of the cut channel is matched with the outer diameter of the outer annular fixing piece.

Optionally, the notch channel isolation sleeve is sleeved outside the inner tapered fixing piece, and the bottom end of the notch channel isolation sleeve is fixed on the inner side edge of the large end of the inner tapered fixing piece.

Optionally, the bottom end of the cut-out channel spacer is fixed to the small end edge of the internal tapered fixing member.

Optionally, the outer annular fixing member and the inner tapered fixing member are both elastic members, and the inner diameter of the outer annular fixing member is smaller than the outer diameter of the bottom end of the annular connection base.

Optionally, the bottom end of the annular connection base includes an annular groove portion and an annular protrusion portion, an inner diameter of the outer annular fixing member is smaller than an outer diameter of the annular groove portion, the outer annular fixing member is sleeved on the annular groove portion, and the annular protrusion portion is clamped to a bottom end edge of the outer annular fixing member.

Optionally, a rubber sealing ring is sleeved at the bottom end connecting part of the annular connecting base.

Optionally, the included angle between the generatrix of the internal conical fixed element and the axis is 20-70 degrees, and the axial height of the internal conical fixed element is 1-2 cm.

Optionally, the major end of the inner conical fixture has an outer diameter greater than the outer diameter of the outer annular fixture.

The application provides a beneficial effect of haplopore peritoneoscope channel device lies in: compared with the prior art, the single-port laparoscope channel device comprises a multi-channel sealing element, an external annular fixing element, an internal conical fixing element and a notch channel isolation sleeve; compared with the existing single-port laparoscope channel device, the multi-channel laparoscope channel device reduces the connecting pieces between the multi-channel sealing piece and the incision channel isolation sleeve, integrally reduces the longitudinal thickness of the channel device, shortens the length of a channel from a surgical instrument to the inside of an abdominal cavity, reduces the restriction on the surgical instrument and enlarges the operable space; in addition, the bottom end of incision passageway isolation sleeve is fixed connection inside toper mounting, inside toper mounting is used for supporting in abdominal incision passageway, and the main aspects card of inside toper mounting is in abdominal incision's medial extremity mouth department admittedly, outside annular mounting card is in abdominal incision's outside port department, can strut abdominal incision passageway in abdominal incision's inboard through inside toper mounting, from this can make surgical instruments get into the inside turned angle grow when operating of abdominal cavity through abdominal incision passageway, surgical instruments's maneuverability space grow, consequently, be favorable to going on smoothly of operation.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic diagram illustrating a disassembled structure of a single port laparoscopic channel device according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an annular connection base of a single port laparoscopic channel device according to an embodiment of the present application;

FIG. 3 is a schematic view of a slit passage spacer sleeve and an internal tapered fastener according to an embodiment of the present application;

FIG. 4 is a schematic view of a slit passage spacer sleeve and an internal tapered fastener according to yet another embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

1. a multi-channel seal; 11. a ring-shaped connection base; 111. an annular groove portion; 112. an annular protrusion; 12. a flexible body; 121. an access channel; 1211. a connecting cylinder; 1212. an air intake duct; 2. an outer annular fixture; 3. an inner conical fixture; 31. a small end; 32. a large end; 4. an incision tract isolation sleeve;

h. the axial height of the internal conical fixture; A. and the included angle between the generatrix of the internal conical fixed piece and the axis.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 2 together, a description will now be given of a single port laparoscopic channel device according to an embodiment of the present application. The single port laparoscopic channel device of the present embodiment includes a multi-channel sealing member 1, an outer annular fixing member 2, an inner conical fixing member 3, and a slit channel isolation sleeve 4.

The multi-channel sealing member 1 includes an annular connection base 11 and a flexible body 12, the top end of the annular connection base 11 is connected to the flexible body 12 in a sealing manner, the top end of the flexible body 12 is provided with a plurality of access channels 121, a part of the access channels 121 is connected to a connection tube 1211, the connection tube 1211 is used for providing a channel for surgical instruments to enter, and another part of the access channels 121 is connected to an air inlet pipe 1212.

In particular, since the single port laparoscopic channel device requires an intra-abdominal ventilation operation during a surgical operation, a good sealing performance is maintained for the connection of each component in the single port laparoscopic channel device. The multichannel sealing member 1 mainly provides surgical instruments's operation platform, and for rotatable operation scope when improving surgical instruments operation and reduce the mutual interference between the surgical instruments, the body of multichannel sealing member 1 sets up to flexible body 12, and flexible body 12 can adopt comparatively soft medical rubber material to make usually, and the rotation operation in the multiple position of surgical instruments can be supported to its soft deformable characteristic. The bottom of the flexible body 12 is hermetically connected to the annular connection base 11, for example, by a connection method of hot press forming, or by other connection methods.

Specifically, referring to fig. 1, the number of the access passages 121 at the top end of the flexible body 12 may be set according to actual needs, for example, three, four, etc., and the access passages 121 may be divided into two types according to different functions, wherein one type is used as a passage for surgical instruments to enter, and the other type is used as an air intake passage for ventilating the interior of the abdominal cavity. The access channel 121 for the surgical instrument to enter is connected with the connecting cylinder 1211 at the channel port, the surgical instrument enters from the cavity of the connecting cylinder 1211, and the connecting cylinder 1211 has a certain supporting effect on the flexible access channel 121, and meanwhile, the sealing performance between the surgical instrument and the access channel 121 can be ensured. The intake passage 121, which is a part of the intake passage, is connected to an external inflator.

With reference to fig. 1, 3 and 4, the internal tapered fixing member 3 is a hollow structure, the top end of the cut passage isolation sleeve 4 is fixedly connected to the external annular fixing member 2, and the bottom end of the cut passage isolation sleeve 4 is fixedly connected to the internal tapered fixing member 3.

Specifically, the incision channel isolation sleeve 4 is made of a flexible film material and is mainly used for isolating surgical instruments from the incision channel wall, the incision channel isolation sleeve 4 is fixed on an abdominal incision channel through an external annular fixing piece 2 and an internal conical fixing piece 3, the bottom end of the incision channel isolation sleeve 4 is fixedly connected with the internal conical fixing piece 3, the top end of the incision channel isolation sleeve is fixedly connected with the external annular fixing piece 2, the internal conical fixing piece 3 is used for being supported in the abdominal incision channel, the large end 32 of the internal conical fixing piece 3 is clamped at the inner side port of an abdominal incision, and the external annular fixing piece 2 is used for being clamped at the outer side port of the abdominal incision and is hermetically connected with the bottom end of the annular connection base 11. Before the operation, the internal conical fixing piece 3 is firstly placed into the abdominal incision channel, so that the large end 32 of the internal conical fixing piece 3 is clamped and fixed at the port of the inner side of the abdominal incision, the outer ring fixture 2 is then rolled over from the outside of the abdominal incision, so that the slit passage isolation sleeve 4 is rolled over synchronously with the rolling over of the outer ring fixture 2, until the overall length of the slit passage isolation sleeve 4 matches the thickness of the abdominal incision passage, so that the large end 32 of the internal conical fixing piece 3 is tightly clamped at the port of the inner side of the abdominal incision, meanwhile, the external annular fixing piece 2 is tightly clamped at the outer side port of the abdominal incision, after the integral length of the incision passage isolation sleeve 4 is adjusted, and then the external annular fixing member 2 is hermetically connected with the bottom end of the annular connection base 11, thereby completing the assembly work of the whole single-port laparoscopic channel device.

Compared with the prior art, the single-port laparoscope channel device comprises a multi-channel sealing element 1, an external annular fixing element 2, an internal conical fixing element 3 and a cut channel isolation sleeve 4; the annular connecting base 11 of the multi-channel sealing element 1 is directly connected with the external annular fixing element 2 in a sealing way, and the top end of the incision channel isolation sleeve 4 is fixedly connected with the external annular fixing element 2, so that compared with the existing single-port laparoscopic channel device, the connecting element between the multi-channel sealing element 1 and the incision channel isolation sleeve 4 is reduced, the longitudinal thickness of the channel device is reduced on the whole, and for surgical operation, the length of a channel from a surgical instrument to the inside of an abdominal cavity is shortened, so that the restriction on the surgical instrument is reduced, and the operable space is enlarged; in addition, the bottom end of the incision channel isolation sleeve 4 is fixedly connected with the internal conical fixing part 3, the internal conical fixing part 3 is used for being supported in the abdominal incision channel, the large end 32 of the internal conical fixing part 3 is clamped and fixed at the port of the inner side of the abdominal incision, the external annular fixing part 2 is clamped and fixed at the port of the outer side of the abdominal incision, the abdominal incision channel can be stretched on the inner side of the abdominal incision through the internal conical fixing part 3, therefore, the rotating angle of a surgical instrument entering the abdominal cavity through the abdominal incision channel for operation is increased, the operability space of the surgical instrument is increased, and smooth operation is facilitated.

In another embodiment of the present application, referring to fig. 1, the bottom end of the slit passage isolation sleeve 4 is penetrated by the small end 31 of the internal tapered fixing element 3, and is fixed on the edge of the large end 32 of the internal tapered fixing element 3 after penetrating out of the large end 32 of the internal tapered fixing element 3.

Specifically, in the present embodiment, the outside direction of the abdominal incision is defined as the upper direction, the inside direction of the abdominal incision is defined as the lower direction, when the internal conical fixing member 3 is connected to the incision passage isolation sleeve 4, the small end 31 is located above, the large end 32 is located below, and the conical structure of the internal conical fixing member 3 is mainly used to open the abdominal incision passage, so as to increase the range of the rotation angle of the surgical instrument, increase the operation space of the surgical instrument, and be beneficial to ensuring the smooth operation. During specific connection, because the internal conical fixing piece 3 is of a hollow structure, the bottom end of the notch channel isolation sleeve 4 is penetrated through by the small end 31 of the internal conical fixing piece 3, passes through the hollow channel, penetrates out of the large end 32 of the internal conical fixing piece 3, and is fixed on the edge of the large end 32 of the internal conical fixing piece 3. Specifically, the fixing may be performed by using a hot press molding method, or may be performed by using an adhesive method, and of course, the fixing may also be performed by using other methods, which is not limited in particular.

Specifically, the above fixing manner of the bottom end of the incision passage isolation sleeve 4 and the large end 32 of the internal conical fixing piece 3 can better realize the close fitting assembly of the whole passage device and the abdominal incision from the mechanical stress angle.

Usually, the length of the incision passageway isolation sleeve 4 is required to be larger than or equal to the thickness of the abdominal wall, the overall length of the incision passageway isolation sleeve 4 can be set to be about 15-20 cm according to the average thickness of the abdominal wall of most patients, and the incision passageway isolation sleeve 4 is required to be rolled to shorten the overall length thereof so as to be matched with the thickness of the abdominal wall of the patient.

When the external annular fixing piece 2 is rolled up from the outside of the abdominal incision, the incision channel isolation sleeve 4 is gradually rolled up to the external annular fixing piece 2 along with the rolling up of the external annular fixing piece 2, in the process, the length of the incision channel isolation sleeve 4 relative to the abdominal incision channel is gradually shortened, the gradually shortened incision channel isolation sleeve 4 generates an upward lifting force along the abdominal incision channel to the large end 32 of the internal conical fixing piece 3, the upward lifting force can ensure that the large end 32 of the internal conical fixing piece 3 can be tightly and stably clamped at the port of the inner side of the abdominal incision channel, and the large end 32 of the internal conical fixing piece 3 cannot be displaced relative to the port of the inner side of the abdominal incision channel in the operation process, so that the normal operation of a surgical instrument cannot be interfered.

In another embodiment of the present application, to better achieve the sealing connection of the isolation sleeve 4 of the cut channel with the internal conical fixing member 3 and the external annular fixing member 2, the bottom diameter of the isolation sleeve 4 of the cut channel is set to match the outer diameter of the large end 32 of the internal conical fixing member 3, and at the same time, the top diameter of the isolation sleeve 4 of the cut channel matches the outer diameter of the external annular fixing member 2. Here, matching is to be understood as meaning that the bottom end of the split channel spacer 4 fits flat and wrinkle-free over the outer edge of the large end 32 of the inner conical fixture 3 and that the top end of the split channel spacer 4 fits flat and wrinkle-free over the outer edge of the outer annular fixture 2.

In another embodiment of the present application, the isolation sleeve 4 of the notch channel is connected to the internal tapered fixture 3 in a manner different from the above embodiment, specifically referring to fig. 3, the isolation sleeve 4 of the notch channel is integrally sleeved outside the internal tapered fixture 3, and meanwhile, the bottom end of the isolation sleeve 4 of the notch channel is fixed to the inner edge of the large end 32 of the internal tapered fixture 3. That is, the bottom end of the isolating sleeve 4 of the notch passage is not flush with the large end 32 of the internal tapered fixing member 3, and the bottom end of the isolating sleeve 4 of the notch passage can be fixed on the edge of the large end 32 of the internal tapered fixing member 3 after being rolled back to the inner side of the internal tapered fixing member 3. The fixed connection mode can also better realize the close fit assembly of the whole channel device and the abdominal incision by considering the effectiveness of mechanical stress.

In another embodiment of the present application, the slit passage isolation sleeve 4 is connected to the internal tapered fixture 3 in a manner different from the above embodiment, and referring to fig. 4, the bottom end of the slit passage isolation sleeve 4 is directly fixed to the edge of the small end 31 of the internal tapered fixture 3. In this embodiment, the diameter of the bottom end of the isolating sleeve 4 of the incision passage can be matched with the diameter of the small end 31 of the internal conical fixing piece 3, so as to realize better sealing connection between the two.

In another embodiment of the present application, the outer annular fixing member 2 and the inner tapered fixing member 3 are both elastic members, and referring to fig. 1, the inner diameter of the outer annular fixing member 2 is smaller than the outer diameter of the bottom end of the annular connection base 11. Because the external annular fixing piece 2 is an elastic piece, in order to ensure that the external annular fixing piece 2 is hermetically connected with the bottom end of the annular connecting base 11, the internal diameter of the external annular fixing piece 2 is smaller than the external diameter of the bottom end of the annular connecting base 11, and the external annular fixing piece 2 is sleeved on the outer edge of the bottom end of the annular connecting base 11 by virtue of elasticity of the external annular fixing piece 2. The tight connection of the outer ring fixture 2 with the bottom end of the ring connection base 11 is achieved by means of elastic restoring force.

Specifically, in this embodiment, the outer annular fixing member 2 and the inner tapered fixing member 3 may be both made of an elastically deformable medical rubber material. When the internal taper fixing member 3 is placed in the abdominal incision channel, an operator firstly pinches the internal taper fixing member 3 flat and sends the internal taper fixing member 3 into the abdominal incision channel, then the internal taper fixing member 3 recovers to a taper shape by the elastic restoring force of the internal taper fixing member 3, the internal taper fixing member 3 is supported in the abdominal incision channel after recovering to an original shape, and the large end 32 of the internal taper fixing member 3 is clamped at the port of the inner side of the abdominal incision.

The elastic external annular fixing piece 2 and the internal conical fixing piece 3 can realize sealing connection with other components on one hand, and can be in flexible contact with the abdominal wall of a patient better on the other hand, so that the comfort degree of the channel device applied to the laparoscopic surgery process is improved.

In another embodiment of the present application, please refer to fig. 1 and 2, since the existing connecting member is removed, in order to better ensure the sealing connection between the annular connecting base 11 and the outer annular fixing member 2 and to ensure the stable connection therebetween, the bottom end of the annular connecting base 11 is provided with an annular groove portion 111 and an annular protrusion portion 112, specifically, the diameter of the annular groove portion 111 is smaller than that of the annular protrusion portion 112, and the annular protrusion portion 112 is located at the bottom end of the annular connecting base 11 and plays a role of resisting. In specific connection, the outer ring fastener 2 is sleeved on the annular groove portion 111, and the annular protrusion portion 112 is clamped on the bottom edge of the outer ring fastener 2. Because the inner diameter of the external annular fixing member 2 is smaller than the outer diameter of the annular groove portion 111, the external annular fixing member 2 can be firmly sleeved on the annular groove portion 111 by virtue of the elastic force of the external annular fixing member, and the annular connecting base 11 and the external annular fixing member 2 can still be stably connected under the condition that a plurality of surgical instruments are rotationally operated at different angles in the process of surgical operation by virtue of the resisting action of the annular convex portion 112.

Specifically, in some other embodiments, a shifting piece structure (not shown in the drawings) may also be disposed on the annular connection base 11, and the shifting piece structure may be connected to the annular connection base 11 in different manners, such as being connected by elastic wires, or being connected by a pluggable manner, or being connected by other manners, and the shifting piece structure is mainly used to detach the outer annular fixing member 2 from the annular connection base 11. When the annular connecting base is used, the plectrum structure is inserted into a gap where the annular connecting base 11 is connected with the external annular fixing part 2, the external annular fixing part 2 is pulled by applying acting force to the plectrum structure, and the external annular fixing part 2 can be detached from the bottom end of the annular connecting base 11.

In another embodiment of the present application, in order to ensure a better sealing connection between the external ring fixing element 2 and the ring connection base 11, a rubber sealing ring (not shown in the figure) is sleeved at the bottom connection position of the ring connection base 11, the rubber sealing ring and the elastic external ring fixing element 2 both have elasticity, and by means of the elasticity of the rubber sealing ring and the elastic external ring fixing element, the sealing connection between the external ring fixing element 2 and the ring connection base 11 can be further ensured, in addition, the rubber sealing ring can also increase the friction force at the connection position of the external ring fixing element 2 and the ring connection base 11, so that the connection relationship between the external ring fixing element and the ring connection base is firmer and more reliable, and the external ring fixing element 2 is ensured not to be loosened from the ring connection base 11 in the operation process, thereby ensuring that the operation can be smoothly performed.

In another embodiment of the present application, please refer to fig. 1, the included angle a between the generatrix of the internal conical fixed element 3 and the axial line is 20-70 degrees, and the axial height h of the internal conical fixed element 3 is 1-2 cm.

In particular, the taper angle of the internal conical fixing member 3 can be set according to actual needs, and the axial height h of the internal conical fixing member 3 is usually selected to be 1-2 cm, such as 1.5 cm, in combination with the average thickness of the abdominal wall of most patients. The included angle a between the generatrix of the internal conical fixed element 3 and the axis can also be selected according to actual needs, for example, the included angle can be set to be 30 degrees or 45 degrees.

In another embodiment of the present application, referring to fig. 1, 3 and 4, the large end 32 of the inner conical fixing element 3 has an outer diameter greater than the outer diameter of the outer annular fixing element 2. In particular, in the laparoscopic surgery process, in combination with the requirement of a patient on the aesthetic degree of an abdominal incision after the surgery, an operator can generally make the diameter of the inner end of an abdominal incision channel larger than that of the outer end through operation in the incision cutting process, so that the aesthetic appearance of the outer end of the incision is ensured, and the larger diameter of the inner end of the incision can ensure the necessary operation range of surgical instruments. Based on this, the outer diameter of the large end 32 of the internal conical fixing piece 3 clamped at the port on the inner side of the abdominal incision channel is matched with the port on the inner side of the incision, and the outer diameter of the external annular fixing piece 2 clamped at the port on the outer side of the abdominal incision channel is matched with the port on the outer side of the incision, namely, the outer diameter of the large end 32 of the internal conical fixing piece 3 is larger than the outer diameter of the external annular fixing piece 2.

Specifically, the outer diameter of the large end 32 of the internal conical fixing member 3 may be set to a range of 6 to 7 cm, such as 6.5 cm, in combination with the experience of surgical practice. The outer annular fixing element 2 may be provided with an outer diameter of 4 to 5 cm, for example 4.2 cm. Meanwhile, the outer diameter of the annular groove portion 111 of the annular connection base 11 may be set to be about 4.5 cm. Of course, it is understood that the various components of the single port laparoscopic channel device may be provided in different sizes in combination with different patient abdominal wall thicknesses, such as obese or leaner, and any size design based on the inventive concepts of the present application is intended to be within the scope of the present application.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. A single port laparoscopic channel device comprising a multi-channel seal, an outer annular fixture, an inner conical fixture, and a split channel spacer sleeve;

the multichannel sealing element comprises an annular connecting base and a flexible body, the top end of the annular connecting base is connected with the flexible body in a sealing mode, a plurality of access channels are formed in the top end of the flexible body, one part of the access channels is connected with a connecting cylinder respectively, the connecting cylinder is used for providing a channel for surgical instruments to enter, and the other part of the access channels is connected with an air inlet pipeline respectively;

the internal conical fixing piece is of a hollow structure, the top end of the cut channel isolation sleeve is fixedly connected with the external annular fixing piece, and the bottom end of the cut channel isolation sleeve is fixedly connected with the internal conical fixing piece; the inner conical fixing piece is used for being supported in the abdominal incision channel, the large end of the inner conical fixing piece is clamped and fixed at the port of the inner side end of the abdominal incision, and the outer annular fixing piece is used for being clamped and fixed at the port of the outer side end of the abdominal incision and is in sealing connection with the bottom end of the annular connecting base.

2. The port laparoscopic channel assembly according to claim 1, wherein said bottom end of said split channel spacer is threaded through said small end of said internal tapered fixture and threaded through said large end of said internal tapered fixture and secured to said large end edge of said internal tapered fixture.

3. The haplopore laparoscopic channel device of claim 2, wherein said bottom end diameter of said incision channel spacer is matched to the outside diameter of said large end of said internal conical fixture and said top end diameter of said incision channel spacer is matched to the outside diameter of said external annular fixture.

4. The port laparoscopic channel assembly according to claim 1, wherein said incised channel spacer is sleeved on the outside of said internal tapered fixture and the bottom end of said incised channel spacer is fixed to the inside edge of the large end of said internal tapered fixture.

5. The port laparoscopic channel assembly as claimed in claim 1, wherein said bottom end of said split port spacer is secured to said small end edge of said internal tapered fixture.

6. The hap-port laparoscopic channel device according to claim 1, wherein said outer annular securing member and said inner tapered securing member are both elastic members, and an inner diameter of said outer annular securing member is smaller than an outer diameter of a bottom end of said annular connection base.

7. The port laparoscopic channel device according to claim 6, wherein said bottom end of said annular connection base comprises an annular recessed portion and an annular protruding portion, said outer annular securing member has an inner diameter smaller than an outer diameter of said annular recessed portion, said outer annular securing member is fitted over said annular recessed portion, and said annular protruding portion is engaged with a bottom end edge of said outer annular securing member.

8. The port laparoscopic channel device according to any one of claims 1 to 7, wherein said bottom end connection portion of said annular connection base is fitted with a rubber packing.

9. The port laparoscopic channel device according to any of claims 1 to 7, wherein said internal tapered fixture has a generatrix at an angle of 20-70 degrees from the axis and an axial height of 1-2 cm.

10. The port laparoscopic channel device according to any of claims 1 to 7, wherein said large end of said internal conical fixture has an outer diameter greater than an outer diameter of said external annular fixture.

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