CN216021176U

CN216021176U - Single-port laparoscopic surgery auxiliary device through vagina

Info

Publication number: CN216021176U
Application number: CN202121323346.7U
Authority: CN
Inventors: 王轶琳; 马宏生; 李雅洁; 苏日娜; 萨日那
Original assignee: Inner Mongolia Peoples Hospital
Current assignee: Inner Mongolia Peoples Hospital
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-03-15
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a transvaginal single-hole laparoscopic surgery auxiliary device, which comprises a chassis, three operation channels, an air inlet pipe and an air outlet pipe, wherein the three operation channels, the air inlet pipe and the air outlet pipe all penetrate through the chassis; the support body comprises a first connecting pipe and a second connecting pipe, the first connecting pipe and the second connecting pipe are connected through a telescopic pipe, one end of the first connecting pipe is fixedly connected with the bottom of the chassis, and two telescopic limiting devices are symmetrically arranged in the first connecting pipe, the second connecting pipe and the telescopic pipe; the chassis comprises a chassis body, a circle of air bag is fixedly arranged on the periphery of the chassis body, and air holes are formed in the air bag and connected with inflation tubes. The utility model can realize the channel support of the transvaginal laparoscopic surgery, and can adjust the length and the angle of the support body according to the condition of a patient to prevent the gas in the abdominal cavity from overflowing through the vagina.

Description

Single-port laparoscopic surgery auxiliary device through vagina

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a transvaginal single-port laparoscopic surgery auxiliary device.

Background

In clinical medicine, laparoscopic surgery is currently widely used in surgical clinics. In the field of gynecological pelvic floor, the main laparoscopic approach is the approach through the abdominal cavity at present, but the approach through the abdominal cavity has the defects of interfering intestinal tracts and influencing postoperative recovery.

Meanwhile, with the development of laparoscopic technology, a new surgical approach has been proposed, namely, Natural Orifice Transluminal Endoscopic Surgery (NOTES). The natural orifice passage means that the operation is performed through hollow organs which are communicated with the external natural orifice through esophagus, stomach, rectum, vagina, bladder and the like. To date, transvaginal surgical approaches have been much investigated. In the transvaginal surgical studies that researchers have developed, researchers have found that it is often the establishment of a surgical pathway that plagues the procedure. A good surgical access should solve several problems. 1. Supporting the surgical approach; 2. the traditional laparoscopic instrument is convenient to enter; 3. air cannot leak, and the establishment of pneumoperitoneum is influenced.

In the utility model patent with publication number CN203943696U, entitled utility model for transvaginal laparoscopic surgery access device, an operation access device is disclosed, as shown in fig. 1, which comprises 1 10mm trocar, i.e. operation channel a and 2 5mm trocar operation channels B, an air inlet pipe C and an air outlet pipe D, and is assembled on a chassis E, the bottom of the chassis E is fixedly connected with a support body 10 of cylindrical semi-rigid material structure, but the length of the support body 10 is not adjustable, which is not convenient for the operation of other surgical instruments, and in addition, because the shape of the chassis E is fixed, the phenomenon of air leakage not only due to the fitting is easy to occur.

Disclosure of Invention

In view of the above problems, the present invention is directed to provide a transvaginal single-port laparoscopic surgery assisting device, which can not only realize the channel support of the transvaginal laparoscopic surgery, but also adjust the length and angle of a support body according to the condition of a patient, and prevent the gas in the abdominal cavity from overflowing through the vagina.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a single port laparoscopic surgery auxiliary device through vagina, includes the chassis, three operation passageway, an intake pipe and an outlet duct, and is three operation passageway and intake pipe and outlet duct all run through the chassis, its characterized in that: the three operation channels, the air inlet pipe and the air outlet pipe are communicated with the supporting body;

the supporting body comprises a first connecting pipe and a second connecting pipe, the first connecting pipe is connected with the second connecting pipe through a telescopic pipe, one end of the first connecting pipe is fixedly connected with the bottom of the chassis, and two telescopic limiting devices are symmetrically arranged in the first connecting pipe, the second connecting pipe and the telescopic pipe.

Furthermore, the telescopic limiting device comprises a first mounting block fixedly arranged on the inner side wall of the first connecting pipe, a second mounting block fixedly arranged on the inner side wall of the second connecting pipe, a third mounting block and a fourth mounting block fixedly arranged on the inner side wall of the telescopic pipe, wherein a connecting line between the first mounting block and the second mounting block is parallel to the axis of the first connecting pipe, and a connecting line between the third mounting block and the fourth mounting block is perpendicular to the axis of the first connecting pipe;

mounting columns are fixedly arranged on the first mounting block, the second mounting block, the third mounting block and the fourth mounting block along the radial direction of the first connecting pipe, the end parts of the four mounting columns are positioned on the same vertical plane, and four-bar mechanisms are arranged at the end parts of the four mounting columns;

the mounting column corresponding to the second mounting block is fixedly provided with a pull rope, the mounting column corresponding to the first mounting block is provided with a first through hole, the pull rope penetrates through the first through hole and then penetrates out of the chassis, and the pull rope is axially parallel to the first connecting pipe.

Furthermore, a second through hole for the stay cord to pass through is formed in the base plate, a limiting column is further arranged on the top surface of the base plate, the limiting column is of a hollow structure, the hollow structure of the limiting column is communicated with the second through hole, and a cover cap is detachably connected to the limiting column.

Furthermore, be equipped with the pressure wire casing on the lateral wall of spacing post, the pressure wire casing with the hollow structure intercommunication at spacing post center, threaded connection has the block on the spacing post periphery that the pressure wire casing corresponds.

Further, the chassis comprises a chassis body, a circle of air bags are fixedly arranged on the periphery of the chassis body, air holes are formed in the air bags, and the air holes are connected with inflation tubes.

The utility model has the beneficial effects that: compared with the prior art, the utility model has the improvement that,

1. the transvaginal single-port laparoscopic surgery auxiliary device can realize the channel supporting function of laparoscopic surgery, and the length of the supporting body can be adjusted according to the condition of a patient, so that the surgical operation is facilitated;

2. in the transvaginal single-hole laparoscopic surgery auxiliary device, the telescopic pipe is arranged between the first connecting pipe and the second connecting pipe, the telescopic limiting devices are arranged among the first connecting pipe, the second connecting pipe and the telescopic pipe, and the telescopic length of the telescopic pipe can be adjusted by adjusting the lengths of the two pull ropes, so that the length of the support body is adjusted, the operation is very convenient and fast, and the surgical operation on different patients can be realized without the transvaginal single-hole laparoscopic surgery auxiliary device with different length specifications;

3. the chassis of the transvaginal single-port laparoscopic surgery auxiliary device comprises a chassis body and an air bag at the periphery, the edge of the chassis can be tightly attached to the vaginal wall of a patient by inflating the air bag, and the gas in the abdominal cavity is effectively prevented from overflowing through the vagina when lesion tissues are taken out.

Drawings

Fig. 1 is a schematic view showing the construction of a conventional transvaginal laparoscopic surgical access apparatus.

FIG. 2 is a schematic structural view of the auxiliary device for transvaginal single-port laparoscopic surgery according to the present invention.

Fig. 3 is a schematic structural view of the support body and the telescopic limiting device of the present invention.

Fig. 4 is a top view of the support structure of the present invention.

FIG. 5 is an enlarged view of a portion A of FIG. 4 according to the present invention.

Fig. 6 is a top view of the chassis structure of the present invention.

FIG. 7 is a schematic view of a structure of a limiting post according to the present invention.

Wherein: 1-chassis, 101-chassis body, 102-airbag, 103-vent hole, 2-operation channel, 3-air inlet pipe, 4-air outlet pipe, 5-first connecting pipe, 6-second connecting pipe, 7-telescopic pipe, 8-first mounting block, 9-second mounting block, 10-third mounting block, 11-fourth mounting block, 12-mounting column, 13-four-link mechanism, 14-pull rope, 15-first through hole, 16-second through hole, 17-limiting column, 18-cover cap, 19-wire pressing groove and 20-inflation pipe.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.

Referring to fig. 2-7, the auxiliary device for a transvaginal single-port laparoscopic surgery comprises a base plate 1, three operation channels 2, an air inlet pipe 3 and an air outlet pipe 4, wherein the three operation channels 2, the air inlet pipe 3 and the air outlet pipe 4 all penetrate through the base plate 1, and the three operation channels 2 are respectively: 1 trocar operating channel with 10mm, 2 trocar operating channels with 5mm, and in addition, the operating channels with different diameters of 5mm, 10mm and 12mm can be designed according to the operation condition; the extending ends of the air inlet pipe 3 and the air outlet pipe 4 are respectively provided with a sleeve cap which is in one-to-one correspondence and is in threaded connection, namely, the structural part with anti-skid grains is arranged in the drawing.

Furthermore, the auxiliary device for the transvaginal single-port laparoscopic surgery further comprises a supporting body with adjustable length, one end of the supporting body is fixedly bonded with the bottom of the base plate 1, and the three operation channels 2, the air inlet pipe 3 and the air outlet pipe 4 extend out of the base plate 1 and are communicated with the supporting body;

specifically, the supporter includes first connecting pipe 5 and second connecting pipe 6, first connecting pipe 5 with connect through flexible pipe 7 between the second connecting pipe 6, first connecting pipe 5's one end with the bottom bonding of chassis 1 is fixed, first connecting pipe 5, second connecting pipe 6 and flexible pipe 7 are hollow structure, and adopt half hard silica gel material, it is equipped with two flexible stop device, two still to symmetry in first connecting pipe 5, second connecting pipe 6 and the flexible pipe 7 flexible stop device symmetry sets up on the inside wall of first connecting pipe 5, second connecting pipe 6 and flexible pipe 7.

Specifically, the telescopic limiting device comprises a first mounting block 8 which is fixedly bonded on the inner side wall of the first connecting pipe 5, a second mounting block 9 which is fixedly bonded on the inner side wall of the second connecting pipe 6, a third mounting block 10 and a fourth mounting block 11 which are fixedly bonded on the inner side wall of the telescopic pipe 7, wherein a connecting line between the first mounting block 8 and the second mounting block 9 is parallel to the axis of the first connecting pipe 5, and a connecting line between the third mounting block 10 and the fourth mounting block 11 is perpendicular to the axis of the first connecting pipe 5; a parallelogram structure is formed among the first mounting block 8, the second mounting block 9, the third mounting block 10 and the fourth mounting block 11.

All follow on first installation piece 8, second installation piece 9, third installation piece 10 and the fourth installation piece 11 the radial bonding of first connecting pipe 5 is fixed with erection column 12, four the tip of erection column 12 is in on the same perpendicular, and four the tip of erection column 12 is equipped with four link mechanism 13, stay cord 14 has set firmly on the erection column 12 that second installation piece 9 corresponds, be equipped with first through-hole 15 on the erection column 12 that first installation piece 8 corresponds, stay cord 14 passes wear out behind first through-hole 15 chassis 1, stay cord 14 with the axial direction parallel of first connecting pipe 5. By pulling the pull cord 14, the second connection tube 6 is moved in the direction of the first connection tube 5, so that the telescopic tube 7 is compressed and the entire support body length is shortened.

Further, a second through hole 16 for the stay cord 14 to pass through is arranged on the chassis 1, a limiting column 17 is further arranged on the top surface of the chassis 1, the limiting column 17 is of a hollow structure, the hollow structure of the limiting column 17 is communicated with the second through hole 16, and a cap 18 is detachably connected to the limiting column 17; the stay cord 14 passes through the second through hole 16 and then passes through the limiting post 17, the end part of the stay cord can be wound on the periphery of the limiting post 17, the stay cord 14 is a hard flexible stay cord and cannot be deformed, the stay cord can be wound on the limiting post 17 for fixing, and when the stay cord 14 is pushed forwards, the stay cord 14 can also push the second mounting block 9, so that the second connecting pipe 6 moves towards the direction far away from the first connecting pipe 5, and the length of the whole support body is prolonged.

Further, in order to ensure the stability of the stay cord 14 when the stay cord is wound on the limiting column 17 and prevent the stay cord 14 from moving, a wire pressing groove 19 is formed in the side wall of the limiting column 17, the wire pressing groove 19 is communicated with a hollow structure in the center of the limiting column 17, a cap 18 is in threaded connection with the periphery of the limiting column 17 corresponding to the wire pressing groove 19, the end portion of the stay cord 14 is placed in the wire pressing groove 19, the cap 18 is screwed, the bottom of the cap 18 presses the stay cord 14, and the stay cord 14 can be prevented from moving.

Further, the chassis 1 comprises a chassis body 101, a circle of air bag 102 is fixedly arranged on the periphery of the chassis body 101, a vent hole 103 is formed in the air bag 102, an inflation tube 20 is connected to the vent hole 103, when the device is used, the air bag 102 is inflated through the inflation tube 20, the edge of the air bag 102 can be tightly attached to the vaginal wall, and the abdominal cavity air is effectively prevented from overflowing through the vagina when the diseased tissue is taken out. A pressure detecting and controlling system (not shown in the figure, it is enough to adopt the existing pressure detecting and controlling system) can be arranged on the inflation tube 102 so as to detect and adjust the pressure value of the inflation, and avoid the ischemic necrosis of the vaginal muscularis caused by the excessive pressure.

The working principle of the utility model is as follows: when in use, the support body is extended into the vagina, and the second connecting pipe 6 can be moved towards the first connecting pipe 5 by pulling the pull rope 14 according to the condition of a patient, so that the telescopic pipe 7 is compressed, and the length of the whole support body is shortened; or the pulling rope 14 is pushed forwards, so that the second mounting block 9 is pushed, the second connecting pipe 6 moves towards the direction far away from the first connecting pipe 5, and the length of the whole support body is lengthened; after the length of the support body is adjusted properly, the end part of the pull rope 14 is placed in the wire pressing groove 19, the cap 18 is screwed, the bottom of the cap 18 presses the pull rope 14, and the pull rope 14 can be prevented from moving; the air bag 102 is inflated through the inflation tube, so that the edge of the air bag 102 is tightly attached to the vaginal wall, and air leakage is avoided; after the device is adjusted, corresponding operation can be carried out through different operation channels.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a through vagina haplopore laparoscopic surgery auxiliary device, includes chassis (1), three operation passageway (2), an intake pipe (3) and an outlet duct (4), it is three operation passageway (2) and intake pipe (3) and outlet duct (4) all run through chassis (1), its characterized in that: the three operation channels (2), the air inlet pipe (3) and the air outlet pipe (4) are communicated with the supporting body;

the supporting body comprises a first connecting pipe (5) and a second connecting pipe (6), the first connecting pipe (5) is connected with the second connecting pipe (6) through a telescopic pipe (7), one end of the first connecting pipe (5) is fixedly connected with the bottom of the chassis (1), and two telescopic limiting devices are symmetrically arranged in the first connecting pipe (5), the second connecting pipe (6) and the telescopic pipe (7).

2. The transvaginal single port laparoscopic surgical assist device of claim 1, wherein: the telescopic limiting device comprises a first mounting block (8) fixedly arranged on the inner side wall of the first connecting pipe (5), a second mounting block (9) fixedly arranged on the inner side wall of the second connecting pipe (6), a third mounting block (10) and a fourth mounting block (11) fixedly arranged on the inner side wall of the telescopic pipe (7), wherein a connecting line between the first mounting block (8) and the second mounting block (9) is parallel to the axis of the first connecting pipe (5), and a connecting line between the third mounting block (10) and the fourth mounting block (11) is vertical to the axis of the first connecting pipe (5);

mounting columns (12) are fixedly arranged on the first mounting block (8), the second mounting block (9), the third mounting block (10) and the fourth mounting block (11) along the radial direction of the first connecting pipe (5), the end parts of the four mounting columns (12) are positioned on the same vertical plane, and four link mechanisms (13) are arranged at the end parts of the four mounting columns (12);

a pull rope (14) is fixedly arranged on the mounting column (12) corresponding to the second mounting block (9), a first through hole (15) is formed in the mounting column (12) corresponding to the first mounting block (8), the pull rope (14) penetrates through the first through hole (15) and then penetrates out of the chassis (1), and the pull rope (14) is parallel to the axial direction of the first connecting pipe (5).

3. The transvaginal single port laparoscopic surgical assist device of claim 2, wherein: be equipped with on chassis (1) and be used for second through-hole (16) that stay cord (14) passed, the top surface of chassis (1) still is equipped with spacing post (17), spacing post (17) are hollow structure, just the hollow structure of spacing post (17) with second through-hole (16) intercommunication, can dismantle on spacing post (17) and be connected with block (18).

4. The transvaginal single port laparoscopic surgical assist device of claim 3, wherein: be equipped with wire pressing groove (19) on the lateral wall of spacing post (17), wire pressing groove (19) with the hollow structure intercommunication at spacing post (17) center, threaded connection has a block (18) on spacing post (17) periphery that wire pressing groove (19) correspond.

5. The transvaginal single port laparoscopic surgical assist device of claim 1, wherein: the chassis (1) comprises a chassis body (101), a circle of air bag (102) is fixedly arranged on the periphery of the chassis body (101), a vent hole (103) is formed in the air bag (102), and an inflation tube (20) is connected to the vent hole (103).