CN114027952A - Double-channel puncture outfit for laparoscopic surgery - Google Patents
Double-channel puncture outfit for laparoscopic surgery Download PDFInfo
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- CN114027952A CN114027952A CN202111524187.1A CN202111524187A CN114027952A CN 114027952 A CN114027952 A CN 114027952A CN 202111524187 A CN202111524187 A CN 202111524187A CN 114027952 A CN114027952 A CN 114027952A
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- 238000002357 laparoscopic surgery Methods 0.000 title claims abstract description 27
- 208000005646 Pneumoperitoneum Diseases 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 15
- 230000009977 dual effect Effects 0.000 claims description 13
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000002980 postoperative effect Effects 0.000 abstract description 7
- 208000032544 Cicatrix Diseases 0.000 abstract description 4
- 231100000241 scar Toxicity 0.000 abstract description 4
- 230000037387 scars Effects 0.000 abstract description 4
- 230000003187 abdominal effect Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 206010021620 Incisional hernias Diseases 0.000 description 2
- 208000002847 Surgical Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 2
- 210000003815 abdominal wall Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3474—Insufflating needles, e.g. Veress needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a double-channel puncture outfit for laparoscopic surgery and a laparoscopic surgery method, wherein the puncture outfit comprises a tube core, a first outer sleeve, a second outer sleeve and an inner sleeve, wherein the first outer sleeve and the second outer sleeve are detachably connected, and after the first outer sleeve and the second outer sleeve are connected into a combined body, the tube core can be arranged in the combined body in a sliding manner; when the tube core is removed and the first outer sleeve and the second outer sleeve are separated, the inner sleeve can be detachably connected with the first outer sleeve; a laparoscopic surgical method comprising the steps of: s1, mounting the first outer sleeve and the second outer sleeve together, and then placing the tube core into the assembly; s2, realizing the puncture of the surgical site; s3, building pneumoperitoneum; s4, a step of separating the first outer sleeve and the second outer sleeve; s5 maintaining pneumoperitoneum; s6, performing surgical operation; s7 removing the first outer and inner sleeves. The invention reduces the number of puncture holes, reduces the operative wound of a patient and also reduces the postoperative scars.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a double-channel puncture outfit for laparoscopic surgery.
Background
At present, 3-4 holes are mostly adopted in clinical laparoscopic minimally invasive surgery, and 3-4 surgical instruments are placed to complete the surgery. The abdominal puncture holes of the patient are more in number, the surgical wound of the patient is increased, the time for suturing the abdominal incision is prolonged, the incidence rate of the abdominal wall incisional hernia after the operation is increased, the postoperative recovery of the patient is not facilitated, and meanwhile, a plurality of postoperative scars are easy to leave.
Disclosure of Invention
In view of the above, the present invention is directed to a dual channel puncture outfit for laparoscopic surgery, which can reduce the number of abdominal puncture holes of a patient, reduce surgical trauma, and reduce the formation of postoperative scars.
In order to achieve the purpose, the technical scheme of the invention is realized as follows: a double-channel puncture outfit for laparoscopic surgery comprises a tube core, a first outer sleeve, a second outer sleeve and an inner sleeve, wherein the first outer sleeve and the second outer sleeve are detachably connected, and the tube core can be arranged inside a tube cavity of a combined body in a sliding manner after the first outer sleeve and the second outer sleeve are connected into the combined body; when the tube core is removed and the first outer sleeve and the second outer sleeve are separated, the inner sleeve can be detachably connected with the first outer sleeve.
Further, the tube core comprises a puncture head, a push rod and a push head, wherein the puncture head is arranged at one end of the push rod, and the push head is arranged at the other end of the push rod; the puncture head is of a pyramid structure.
Furthermore, one end of the main pipe wall of the first outer sleeve is provided with a limiting table, and one end, close to the limiting table, of the outer wall of the main pipe wall is provided with an anti-skid structure; the anti-slip structure is a convex stripe structure.
Further, the second outer sleeve comprises an inlet end and a sleeve main body which are connected with each other and communicated with each other through a pipe cavity, a first air inlet device is installed on the outer side wall of the sleeve main body, the lower end of the first air inlet device extends into the pipe cavity of the sleeve main body, and the inner cavity of the first air inlet device is communicated with the inner cavity of the sleeve main body; the inlet end is provided with a valve.
Further, the inner sleeve comprises an outer shell and an instrument channel, and the instrument channel is rotatably connected to the inner part of the outer shell.
Furthermore, the outer shell comprises an operation opening with a horn mouth structure and a connecting pipe arranged at one end with a small diameter of the operation opening, a sealing plate is rotatably arranged on the inner wall of the connecting pipe, a sliding groove is arranged on the inner wall of the connecting pipe and is arranged at one side, away from the operation opening, of the sealing plate, an air vent is arranged between the inner wall and the outer wall of the operation opening, one end of the air vent extends to the connecting pipe and is communicated with the inner cavity of the connecting pipe, the other end of the air vent is communicated with the inner cavity of a second air inlet device arranged on the operation opening, and the air vent is arranged at one side, away from the operation opening, of the sealing plate; the seal plate is made of elastic materials.
Furthermore, the instrument channel comprises a first channel and a second channel, one end of the first channel and one end of the second channel penetrate through the sealing plate and are arranged in the operation port, a rotating shaft is radially arranged on the outer wall of the first channel, a shaft sleeve is radially arranged on the outer wall of the second channel, the first channel and the second channel can be rotatably connected through the matching connection of the rotating shaft and the shaft sleeve, connectors are respectively arranged on the outer surfaces of the first channel and the second channel, and the connectors are in matching connection with the sliding grooves; one end of the connector, which is in fit connection with the sliding chute, is of a spherical structure; and valves are respectively arranged on the first channel and the second channel.
Further, the sealing plate is provided with a first inlet and a second inlet, and when the first inlet axially coincides with the first channel, the second inlet axially coincides with the second channel.
Furthermore, the first outer sleeve and the second outer sleeve are in threaded connection, and when the first outer sleeve and the second outer sleeve are connected, the connecting end of the second outer sleeve is arranged inside the first outer sleeve; the first outer sleeve is in threaded connection with the inner sleeve, and the connecting pipe of the inner sleeve is arranged inside the first outer sleeve when the first outer sleeve and the inner sleeve are connected.
A method for performing laparoscopic surgery by using the dual-channel puncture outfit for laparoscopic surgery comprises the following steps:
s1, mounting the first outer sleeve and the second outer sleeve together, and then placing the tube core into the first outer sleeve and the second outer sleeve assembly;
s2, realizing the puncture of the operation site through the tube core;
s3, inflating gas through the first air inlet device to establish pneumoperitoneum;
s4, pulling out the tube core, and separating the first outer sleeve and the second outer sleeve;
s5, mounting the inner sleeve on the first outer sleeve, and maintaining pneumoperitoneum through the second air inlet device;
s6, performing surgical operation through the instrument channel;
and S7, removing the first outer sleeve and the inner sleeve after the operation is finished.
Compared with the prior art, the double-channel puncture outfit for the laparoscopic surgery has the following advantages:
(1) compared with the existing clinical laparoscopic surgery with 3-4 holes, the invention can complete the surgery by placing 2 surgical instruments through one puncture hole, effectively reduces the number of abdominal puncture holes of a patient, reduces the surgical wound of the patient, shortens the surgical time, reduces the incidence rate of postoperative abdominal wall incisional hernia, is beneficial to postoperative recovery of the patient, and reduces postoperative scars;
(2) the invention effectively reduces the number of puncture holes in the laparoscopic minimally invasive surgery and improves the operation convenience.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view (during puncturing) of a dual channel puncture outfit for laparoscopic surgery according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a dual channel puncture outfit for laparoscopic surgery according to an embodiment of the present invention (during surgery);
FIG. 3 is a schematic structural diagram of a die according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a first outer sleeve according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a second outer sleeve according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of an inner casing according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of an inner casing according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of an outer casing according to an embodiment of the present invention;
FIG. 9 is a cross-sectional schematic view of an outer housing according to an embodiment of the present invention;
FIG. 10 is a schematic structural view of an instrument channel according to an embodiment of the present invention;
fig. 11 is a schematic structural view of a sealing plate according to an embodiment of the present invention.
Description of reference numerals:
1. a die; 2. a first outer sleeve; 3. a second outer sleeve; 4. an inner sleeve; 5. a puncture head; 6. a push rod; 7. pushing the head; 8. a main pipe wall; 9. an anti-slip structure; 10. a limiting table; 11. an inlet end; 12. a cannula body; 13. a first air intake device; 14. an outer housing; 15. an instrument channel; 16. an operation port; 17. a connecting pipe; 18. closing the plate; 19. a chute; 20. a second air intake device; 21. a vent hole; 22. a first channel; 23. a second channel; 24. a connector; 25. a first inlet; 26. a second inlet.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-10, the present invention is a dual channel puncture outfit for laparoscopic surgery, comprising a tube core 1, a first outer cannula 2, a second outer cannula 3 and an inner cannula 4, wherein the first outer cannula 2 and the second outer cannula 3 are detachably connected, preferably, the first outer cannula 2 is connected with the second outer cannula 3 by screw threads, and when the first outer cannula 2 and the second outer cannula 3 are connected, the connecting end of the second outer cannula 3 is disposed inside the first outer cannula 2, i.e. the first outer cannula 2 is an internal thread, and the second outer cannula 3 is an external thread, which can effectively avoid injury to the body of a patient when the second outer cannula 3 is detached after the first outer cannula 2 is placed in the body of the patient, and when the first outer cannula 2 and the second outer cannula 3 are connected into an assembly, the lumens of the first outer cannula 2 and the second outer cannula 3 are communicated, and the tube core 1 is inserted into the assembly, the tube core 1 can axially slide in the tube cavity of the combined body, and the first outer sleeve 2, the second outer sleeve 3 and the tube core 1 form a large whole, so that the tube core can conveniently penetrate into the abdominal cavity. After the puncture is finished, the tube core 1 is pulled out, then the first air inlet device 13 on the second outer sleeve 3 is used for inflating to establish pneumoperitoneum, after the inflation is finished, the second outer sleeve 3 is separated, and then the inner sleeve 4 is detachably connected on the first outer sleeve 2, so that the operation can be carried out. In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The tube core 1 comprises a puncture head 5, a push rod 6 and a push head 7, wherein the puncture head 5 is arranged at one end of the push rod 6, and the push head 7 is arranged at the other end of the push rod 6; the puncture head 5 is of a pyramid structure, the push rod 6 can be of a solid structure or a hollow structure, and the pyramid structure of the puncture head 5 is closed.
A limiting table 10 is arranged at one end of a main tube wall 8 of the first outer tube 2, so that the first outer tube 2 can be effectively prevented from being immersed into a patient, and therefore, the difficulty in removing the first outer tube after an operation is finished is avoided, and an anti-skid structure 9 is arranged at one end, close to the limiting table 10, of the outer wall of the main tube wall 8; the anti-skid structure 9 is a convex stripe structure, and the existence of the anti-skid structure 9 can effectively increase the friction force between the first outer sleeve 2 and the puncture opening of the patient, thereby avoiding the first outer sleeve 2 moving in the body of the patient and further improving the reliability of the operation. In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The second outer sleeve 3 comprises an inlet end 11 and a sleeve main body 12 which are connected with each other and communicated with each other through a pipe cavity, a first air inlet device 13 is installed on the outer side wall of the sleeve main body 12, the lower end of the first air inlet device 13 extends into the pipe cavity of the sleeve main body 12, the inner cavity of the first air inlet device 13 is communicated with the inner cavity of the sleeve main body 12, an upper pipe orifice of the first air inlet device 13 can be connected with an external air source device, and the external air source device is an existing foundation; the inlet end 11 is provided with a flap, and the flap is arranged so that in the inflation process of the first air inlet device 13, the air in the second outer sleeve 3 cannot escape and can only enter the body of the patient through the first outer sleeve 2, and meanwhile, the tube core 1 can freely go in and out of the flap, and the flap is in the prior art and is commonly used in the existing medical apparatus.
The inner sleeve 4 comprises an outer shell 14 and an instrument channel 15, the instrument channel 15 is rotatably connected inside the outer shell 14, and the instrument channel 15 can rotate 360 degrees inside the outer shell 14, so that a doctor can conveniently fiddle with the position of an instrument through the instrument channel 15 during an operation.
The shell body 14 includes the operation mouth 16 of horn mouth structure, and the structure of wide-mouth has effectively increased operating space, makes things convenient for the doctor to carry out the operation, the one end of 16 little pipe diameters of operation mouth is provided with connecting pipe 17, it is provided with shrouding 18 to rotate on the inner wall of connecting pipe 17, simultaneously be provided with spout 19 on the inner wall of connecting pipe 17, just spout 19 sets up shrouding 18 is kept away from one side of operation mouth 16, be provided with air vent 21 between the inside and outside wall of operation mouth 16, simultaneously the one end of air vent 21 extends to connecting pipe 17 and with the inner chamber intercommunication of connecting pipe 17, the other end with install the inner chamber intercommunication of second air inlet unit 20 on the operation mouth 16, air vent 21 sets up shrouding 18 is kept away from one side of operation mouth 16. The second air inlet means 20 can ventilate the inside of the connection tube 17 through the ventilation hole 21, thereby maintaining a pneumoperitoneum state during the operation. The sealing plate 18 is made of an elastic material, and when the instrument channel 15 moves up and down or left and right, the sealing plate 18 can be elastically deformed, thereby ensuring smooth universal movement of the instrument channel 15.
The instrument channel 15 includes a first channel 22 and a second channel 23, the first channel 22 and the second channel 23 have different tube diameters, the first channel 22 is used for placing a cold light source or a relatively large surgical instrument such as a locking clip, and the second channel 23 is used for placing a relatively small instrument such as a vascular clamp, a needle holder or an electric hook. One end of the first channel 22 and the second channel 23 is passed the shrouding 18 is arranged in the operation opening 16, radially be provided with the pivot on the outer wall of first channel 22, radially be provided with the axle sleeve on the outer wall of second channel 23, first channel 22 and second channel 23 can realize rotating the connection through the cooperation connection of pivot and axle sleeve, thereby make can form certain contained angle between the two of first channel 22 and second channel 23, the contained angle form between two blades of similar scissors. The instrument channel 15 can rotate in the outer shell 14 by 360 degrees integrally, so that the first channel 22 and the second channel 23 can form any included angle, different operation angles of two surgical instruments are increased, and the operation is facilitated. Preferably, the rotating shaft is a ball head rotating shaft, and the rotating shaft is connected with the shaft sleeve in a matched mode through a universal ball. Connectors 24 are respectively arranged on the outer surfaces of the first channel 22 and the second channel 23, and the connectors 24 are connected with the sliding grooves 19 in a matched manner; the end of the connector 24, which is connected with the chute 19 in a matching way, is of a spherical structure. Preferably, the connection means of the connection head 24 and the first and second channels 22 and 23 may be a universal ball connection. The first passage 22 and the second passage 23 are respectively provided with a flap, and the flap is arranged so that, in the inflation process of the second air inlet device 20, the air in the inner sleeve 4 cannot escape and can only enter the body of the patient through the first outer sleeve 2 to maintain pneumoperitoneum, and meanwhile, instruments required by the operation can freely enter and exit the flap.
The sealing plate 18 is provided with a first inlet 25 and a second inlet 26, and when the first inlet 25 axially coincides with the first passage 22, the second inlet 26 axially coincides with the second passage 23. in the description of the present invention, it should be noted that the sealing plate 18 needs to rotate together with the instrument passage 15.
The first outer sleeve 2 and the inner sleeve 4 are in threaded connection, and when the two are connected, the connecting pipe 17 of the inner sleeve 4 is arranged inside the first outer sleeve 2. This connected mode can effectively avoid when interior sleeve pipe 4 puts into patient's health after, installs cause the injury to patient's health during interior sleeve pipe 4.
A method for performing laparoscopic surgery by using the dual-channel puncture outfit for laparoscopic surgery comprises the following steps:
s1, mounting the first outer sleeve 2 and the second outer sleeve 3 together, and then placing the tube core 1 into the combination of the first outer sleeve 2 and the second outer sleeve 3: firstly, the first outer sleeve 2 and the second outer sleeve 3 are combined into a combined body, after the first outer sleeve 2 and the second outer sleeve 3 are connected into the combined body, the tube cavities of the first outer sleeve 2 and the second outer sleeve 3 are communicated, then the tube core 1 is inserted into the combined body, the inserted tube core 1 can axially slide in the tube cavity of the combined body, and at the moment, the first outer sleeve 2, the second outer sleeve 3 and the tube core 1 form a large whole.
S2, the step of puncturing the operation site through the tube core 1: the first outer sleeve 2, the second outer sleeve 3 and the tube core 1 are arranged into a large integral structure, the puncture head 5 of the tube core 1 is punctured into the abdominal cavity, the first outer sleeve 2 is arranged into the body of a patient, and when the first outer sleeve 2 is arranged, the limiting table 10 at the tail end of the first outer sleeve is kept outside the body of the patient.
S3, filling gas through the first gas inlet device 13, and establishing pneumoperitoneum: when the puncture is completed, the tube core 1 is pulled out and then inflated by the first air inlet means 13 on the second outer sleeve 3, and pneumoperitoneum is established.
S4, pulling out the tube core 1, and separating the first outer sleeve 2 and the second outer sleeve 3: after inflation is complete, the second outer sleeve 3 is detached from the first outer sleeve 2, thereby effecting separation of the second outer sleeve 3.
S5, the step of attaching the inner tube 4 to the first outer tube 2 and maintaining pneumoperitoneum by the second air intake device 20: the operation can be performed by connecting the inner tube 4 to the first outer tube 2 and inflating the second air inlet means 20 to maintain pneumoperitoneum.
S6 steps of performing a surgical procedure through the instrument channel 15: in the operation process, any included angle can be formed between the two channels of the instrument channel 15, when different surgical instruments need to be replaced, the surgical instruments are directly taken out of the instrument channel 15, and then new surgical instruments are placed in the instrument channel, so that the operation can be continued.
S7 removing first outer sleeve 2 and inner sleeve 4 after the operation is finished: after the operation is finished, the instrument for the operation is taken out firstly, then the air is discharged, and finally the first outer sleeve 2 and the first inner sleeve 4 which are connected together are integrally pulled out.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a binary channels puncture ware for laparoscopic surgery which characterized in that: the tube core (1) is arranged in a tube cavity of a combined body in a sliding mode, and comprises a tube core (1), a first outer sleeve (2), a second outer sleeve (3) and an inner sleeve (4), wherein the first outer sleeve (2) and the second outer sleeve (3) are detachably connected, and meanwhile, when the first outer sleeve (2) and the second outer sleeve (3) are connected into the combined body; when the tube core (1) is removed and the first outer sleeve (2) and the second outer sleeve (3) are separated, the inner sleeve (4) can be detachably connected with the first outer sleeve (2).
2. The dual channel puncture instrument for laparoscopic surgery according to claim 1, wherein: the tube core (1) comprises a puncture head (5), a push rod (6) and a push head (7), wherein the puncture head (5) is arranged at one end of the push rod (6), and the push head (7) is arranged at the other end of the push rod; the puncture head (5) is of a pyramid structure.
3. The dual channel puncture instrument for laparoscopic surgery according to claim 1, wherein: a limiting table (10) is arranged at one end of a main pipe wall (8) of the first outer sleeve (2), and an anti-skidding structure (9) is arranged at one end, close to the limiting table (10), of the outer wall of the main pipe wall (8); the anti-skid structure (9) is of a convex stripe structure.
4. The dual channel puncture instrument for laparoscopic surgery according to claim 1, wherein: the second outer sleeve (3) comprises an inlet end (11) and a sleeve main body (12) which are connected with each other and communicated with each other in a pipe cavity, a first air inlet device (13) is installed on the outer side wall of the sleeve main body (12), the lower end of the first air inlet device (13) extends into the pipe cavity of the sleeve main body (12), and the inner cavity of the first air inlet device (13) is communicated with the inner cavity of the sleeve main body (12); the inlet end (11) is provided with a valve.
5. The dual channel puncture instrument for laparoscopic surgery according to claim 1, wherein: the inner sleeve (4) comprises an outer shell (14) and an instrument channel (15), and the instrument channel (15) is rotatably connected to the inner part of the outer shell (14).
6. The dual channel puncture instrument for laparoscopic surgery of claim 5, wherein: the outer shell (14) comprises an operation opening (16) with a bell mouth structure and a connecting pipe (17) arranged at one end with a small pipe diameter of the operation opening (16), a sealing plate (18) is rotatably arranged on the inner wall of the connecting pipe (17), a sliding groove (19) is arranged on the inner wall of the connecting pipe (17), the sliding groove (19) is arranged at one side, away from the operation opening (16), of the sealing plate (18), a vent hole (21) is arranged between the inner wall and the outer wall of the operation opening (16), one end of the vent hole (21) extends to the connecting pipe (17) and is communicated with an inner cavity of the connecting pipe (17), the other end of the vent hole is communicated with an inner cavity of a second air inlet device (20) arranged on the operation opening (16), and the vent hole (21) is arranged at one side, away from the operation opening (16), of the sealing plate (18); the sealing plate (18) is made of elastic materials.
7. The dual channel puncture instrument for laparoscopic surgery of claim 6, wherein: the instrument channel (15) comprises a first channel (22) and a second channel (23), one end of the first channel (22) and one end of the second channel (23) penetrate through the sealing plate (18) and are arranged in the operation port (16), a rotating shaft is radially arranged on the outer wall of the first channel (22), a shaft sleeve is radially arranged on the outer wall of the second channel (23), the first channel (22) and the second channel (23) can be connected in a rotating mode through the matching of the rotating shaft and the shaft sleeve, connectors (24) are respectively arranged on the outer surfaces of the first channel (22) and the second channel (23), and the connectors (24) are connected with the sliding grooves (19) in a matching mode; one end of the connector (24) which is matched and connected with the sliding groove (19) is of a spherical structure; the first channel (22) and the second channel (23) are respectively provided with a valve.
8. The dual channel puncture instrument for laparoscopic surgery of claim 7, wherein: the closure plate (18) is provided with a first inlet (25) and a second inlet (26), the second inlet (26) axially coinciding with the second passageway (23) when the first inlet (25) axially coincides with the first passageway (22).
9. The dual channel puncture instrument for laparoscopic surgery of claim 6, wherein: the first outer sleeve (2) is in threaded connection with the second outer sleeve (3), and the connecting end of the second outer sleeve (3) is arranged inside the first outer sleeve (2) when the first outer sleeve and the second outer sleeve are connected; the first outer sleeve (2) is in threaded connection with the inner sleeve (4), and a connecting pipe (17) of the inner sleeve (4) is arranged inside the first outer sleeve (2) when the first outer sleeve and the inner sleeve are connected.
10. A laparoscopic surgery method using the dual channel puncture instrument for laparoscopic surgery of any one of claims 1 to 9, comprising the steps of:
s1, mounting the first outer sleeve (2) and the second outer sleeve (3) together, and then placing the tube core (1) into the assembly of the first outer sleeve (2) and the second outer sleeve (3);
s2, realizing the puncture of the operation site through the tube core (1);
s3, inflating gas through the first air inlet device (13) to establish pneumoperitoneum;
s4, pulling out the tube core (1), and separating the first outer sleeve (2) and the second outer sleeve (3);
s5, a step of attaching the inner tube (4) to the first outer tube (2) and maintaining pneumoperitoneum by the second air intake device (20);
s6, performing surgical operation through the instrument channel (15);
and S7, removing the first outer sleeve (2) and the inner sleeve (4) after the operation is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111524187.1A CN114027952A (en) | 2021-12-14 | 2021-12-14 | Double-channel puncture outfit for laparoscopic surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111524187.1A CN114027952A (en) | 2021-12-14 | 2021-12-14 | Double-channel puncture outfit for laparoscopic surgery |
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| CN114027952A true CN114027952A (en) | 2022-02-11 |
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| CN202111524187.1A Pending CN114027952A (en) | 2021-12-14 | 2021-12-14 | Double-channel puncture outfit for laparoscopic surgery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN213606737U (en) * | 2020-09-24 | 2021-07-06 | 佛山市禅城区中心医院有限公司 | Abdominal cavity puncture outfit capable of replacing puncture needle |
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2021
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| US20140236164A1 (en) * | 2003-09-23 | 2014-08-21 | Covidien Lp | Laparoscopic instrument and trocar system and related surgical method |
| CN101827627A (en) * | 2005-04-08 | 2010-09-08 | 伊西康内外科公司 | Surgical instrument system |
| CN101822555A (en) * | 2009-03-06 | 2010-09-08 | 伊西康内外科公司 | The surgical access devices and the method that in predetermined moving area, provide sealing to move |
| US20120165611A1 (en) * | 2009-05-29 | 2012-06-28 | Neil Warren | Laparoscopic access port and port sleeve arrangement |
| WO2014008745A1 (en) * | 2012-07-08 | 2014-01-16 | Qian Qingpeng | Barrier type single-hole laparoscope surgical channel |
| CN110179505A (en) * | 2019-06-29 | 2019-08-30 | 薄文 | High flexibility concentrated single-hole multi-channel operation puncturing device |
| CN211156125U (en) * | 2019-09-30 | 2020-08-04 | 上海长征医院 | Novel puncture outfit for laparoscopic surgery |
| CN213606737U (en) * | 2020-09-24 | 2021-07-06 | 佛山市禅城区中心医院有限公司 | Abdominal cavity puncture outfit capable of replacing puncture needle |
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