CN109199575B - Endoscopic bipolar instrument - Google Patents
Endoscopic bipolar instrument Download PDFInfo
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- CN109199575B CN109199575B CN201811267233.2A CN201811267233A CN109199575B CN 109199575 B CN109199575 B CN 109199575B CN 201811267233 A CN201811267233 A CN 201811267233A CN 109199575 B CN109199575 B CN 109199575B
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- 238000011010 flushing procedure Methods 0.000 claims abstract description 69
- 238000012856 packing Methods 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 16
- 238000009297 electrocoagulation Methods 0.000 abstract description 14
- 210000004185 liver Anatomy 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000002271 resection Methods 0.000 abstract description 2
- 210000003811 finger Anatomy 0.000 description 30
- 210000000683 abdominal cavity Anatomy 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 210000001015 abdomen Anatomy 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 208000019425 cirrhosis of liver Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 208000007232 portal hypertension Diseases 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00529—Liver
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00607—Coagulation and cutting with the same instrument
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/126—Generators therefor characterised by the output polarity bipolar
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/002—Irrigation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/007—Aspiration
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Endoscopes (AREA)
Abstract
The endoscopic bipolar operation instrument comprises a bipolar forceps head, an inner tube body, an inner core rod and an outer tube body, wherein the central line of the outer tube body is arranged in the front-back horizontal direction, a plurality of through holes are formed in the tube wall of the outer tube body in the axial direction, the through holes are arranged in an annular array around the central line of the outer tube body, a fixing seat is fixed at the rear end of the outer tube body, a perforation is arranged on the fixing seat, and the central line of the perforation coincides with the central line of the outer tube body; in summary, the invention has multiple functions of cutting, electrocoagulation, flushing, suction and the like, the novel technology adjusts the extension length of the monopolar electrotome through the ring handle, and changes flushing and suction through the reversing adjusting valve, so that an operator can perform operation cutting, separation or electrocoagulation and flushing or suction in an operation area without repeatedly changing instruments, and the invention is particularly suitable for laparoscopic liver resection; the novel technique ensures that operators can perform various operations simultaneously, reduces operation steps, facilitates operation, can perform operation cutting, separation or electrocoagulation, can perform operation area flushing or suction, ensures the definition of operation vision, reduces the requirements on the proficiency and the coordination degree of assistants, can effectively shorten operation time and increase the safety of operation.
Description
Technical Field
The invention belongs to the technical field of medical treatment, and particularly relates to a bipolar operation instrument under a laparoscope, which is particularly suitable for resecting a liver under a laparoscope.
Background
In the operation process of laparoscopic surgery, various operation means such as cutting, electrocoagulation, suction, flushing, traction and the like are needed, the existing operation means is that 3-5 holes are made in the abdomen of a patient, then a poking card is placed in each hole, and then different instruments such as a laparoscopic forceps, a laparoscopic electrotome, an endoscopic aspirator and the like are placed in different poking cards, so that different functions such as traction, cutting, electrocoagulation, attraction and the like are respectively realized; the existing mode is complicated to operate, because different operation handles often have only a certain function during operation, in order to reduce damage as much as possible, holes are generally formed in the abdomen as little as possible, so that surgical instruments need to be frequently replaced in order to realize different functions during operation, the surgical instruments need to be repeatedly pulled out of a poking card and then new surgical instruments are inserted, a great amount of time is wasted during the process, the operation time is prolonged, and the operation risk is increased; in addition, the existing operation process is generally to punch 3-5 holes, the damage to the patient is increased when more holes are punched, the postoperative recovery is not facilitated, and meanwhile, more needed stamping cards are needed when more holes are punched, so that resources are wasted, and the cost is increased; the prior art has troublesome operation and needs to repeatedly replace the operation instrument, thereby prolonging the operation time; the abdominal cavity instrument in the prior art has only one function, has single function and is inconvenient to use.
Disclosure of Invention
The invention aims to solve the defects in the prior art, provides a bipolar operation instrument under a endoscope, which reduces damage caused by punching, facilitates operation, improves operation efficiency, saves stamping card use, has multiple functions of cutting, electrocoagulation, flushing, suction and the like, enables an operator to perform operation cutting, separation or electrocoagulation, can flush or suction an operation area without repeatedly replacing the instrument, is particularly suitable for laparoscopic liver excision, facilitates operation, reduces requirements on skill and coordination degree of an assistant, effectively shortens operation time, and increases operation safety.
In order to solve the technical problems, the invention adopts the following technical scheme: the endoscopic bipolar operation instrument comprises a bipolar forceps head, an inner tube body, an inner core rod and an outer tube body, wherein the central line of the outer tube body is arranged in the front-rear horizontal direction, a plurality of through holes are formed in the tube wall of the outer tube body in the axial direction, the through holes are arranged in an annular array around the central line of the outer tube body, a fixing seat is fixed at the rear end of the outer tube body, a through hole is formed in the fixing seat, the through hole is overlapped with the central line of the outer tube body, the inner tube body is coaxially arranged in the inner tube body in a penetrating manner, the rear end part of the inner tube body is backwards penetrated out of the through hole of the fixing seat, the rear end part of the inner tube body is backwards penetrated out of the inner tube body, a jack is formed in the fixing seat, a pin hole is formed in the inner tube body, a connecting pin matched with the pin hole is inserted in the jack of the fixing seat, a lug is arranged on the top surface of the rear end part of the inner tube body, an L-shaped connecting fastener is hinged to the inner tube body, a positioning hole matched with the lug is formed in the connecting fastener, and a notch for overturning the connecting fastener is formed in the rear side top of the fixing seat;
The bottom of the fixed seat is fixed with a first finger ring handle, the rear part of the fixed seat is hinged with a second finger ring handle through a first pin shaft, the finger ring handle is formed by the first finger ring handle and the second finger ring handle, the upper part of the second finger ring handle is provided with an arc hole, a second pin shaft is connected in the arc hole in a sliding way, and the rear end of the inner core rod is connected with the second pin shaft;
The bipolar forceps head comprises a first forceps head part and a second forceps head part, the first forceps head part is arranged at the front end of the inner tube body and extends forwards, the second forceps head part is hinged at the front end of the inner tube body through a third pin shaft, the second forceps head part is of an L-shaped structure and consists of a front side part, a corner part and a rear side part, the front side part extends forwards and is combined with the first forceps head part to form a clamping area, the third pin shaft is arranged at the corner part in a penetrating way, the rear side part extends backwards, a connecting rod is connected between the rear side part and the front end of the inner core rod, two ends of the connecting rod are hinged with the rear side part and the inner core rod respectively, a long hole is formed in the bottom surface of the front end of the inner tube body, and the corner part of the second forceps head part penetrates through the long hole;
The reversing regulating valve comprises a valve rod and a valve seat, the valve seat is fixed at the bottom of the rear end of the outer pipe body, the upper part of the valve seat is an outlet channel, the outlet channel is communicated with all through holes, the lower part of the valve seat is provided with a flushing channel and a suction channel in parallel, the upper ends of the flushing channel and the suction channel are connected with the outlet channel, a partition plate is arranged between the upper parts of the flushing channel and the suction channel, spherical valve body cavities are arranged on the upper parts of the flushing channel and the suction channel, a flushing valve body is arranged in the valve body cavity of the flushing channel, a suction valve body is arranged in the valve body cavity of the suction channel, a round hole is formed in the partition plate, the centers of the flushing valve body and the suction valve body are all located on the central line of the round hole, a through flushing through hole is formed in the suction valve body along the central line direction, the central line of the flushing through hole is arranged along the vertical direction, and the central line of the suction through hole is arranged along the horizontal direction and is mutually perpendicular to the central line of the round hole;
A connecting column is connected between the flushing valve body and the suction valve body, the connecting column is arranged in the round hole in a penetrating way, the outer wall of the flushing valve body is tightly attached to the contact surface of the inner wall of the valve seat and the partition plate respectively, the outer wall of the suction valve body is tightly attached to the contact surface of the inner wall of the valve seat and the partition plate respectively, and a sealing sleeve is sleeved outside the connecting column; the valve seat is fixedly provided with a sleeve, the center line of the sleeve coincides with the center line of the round hole, the valve rod is coaxially arranged in the sleeve in a penetrating way, one end of the valve rod penetrates through the valve seat and then is connected with the flushing valve body, the other end of the valve rod penetrates out of the sleeve and then is connected with a handle, and a packing sealing assembly is arranged between the sleeve and the valve rod.
The packing assembly comprises a packing end cover, a packing filling cavity is arranged between the sleeve and the valve rod, one end of the sleeve is a fixed end part, the other end of the sleeve is an open end part, the fixed end part of the sleeve is fixed on the valve seat, packing sealing is filled in the packing filling cavity, two sealing rings are arranged on the valve rod and are positioned at two ends of the packing sealing, and the packing end cover is fixed at the open end part of the sleeve through screws and tightly presses the packing sealing in the packing filling cavity.
By adopting the technical scheme, the invention has the following beneficial effects: the invention is a laparoscopic surgical instrument with cutting, electrocoagulation, flushing, suction and other functions, when in use, the abdomen of a patient is perforated, then a poking card is placed in the hole, then an outer tube body of the device is inserted into the poking card, then a bipolar forceps head is connected with an electrode device (the electrode device is applied to the prior conventional technology of a common electric knife), and the lower parts of a flushing channel and a suction channel of a valve seat are respectively connected with a flushing pipe and a suction pipe; when cutting and electrocoagulation is needed, the connecting fastener is turned over, so that the positioning hole on the connecting fastener is buckled on the convex block of the inner pipe body, at the moment, the connecting pin is not inserted in the pin hole, the inner pipe body and the inner pipe rod are connected together due to the action of the connecting fastener, then the index finger passes through the first finger ring handle, the thumb passes through the second finger ring handle and lifts the second finger ring handle upwards, the second finger ring handle lifts upwards around the first pin shaft, the second finger ring handle pushes the inner pipe rod, the inner pipe body moves forwards along with the inner pipe rod, the bipolar forceps head at the front end of the inner pipe body pushes the outer pipe body forwards (the bipolar forceps head is positioned in the outer pipe body in the initial state), then turning over the connecting fastener to separate the positioning hole of the connecting fastener from the protruding block, inserting the connecting pin into the pin hole of the inner tube body, connecting the fixing seat with the inner tube body, opening the electrode device to cut the electric coagulation hemostasis, operating the second finger ring handle when tissue in the endoscope needs to be clamped, pulling the inner core rod by the second finger ring handle, and pulling the rear side part of the second forceps head by the front end of the inner core rod, so that the front side part of the second forceps head and the first forceps head form clamping action;
When flushing is needed, the connecting pin is pulled out from the pin hole, the connecting fastener is buckled on the convex block again, the second finger ring handle is pinched downwards, so that the bipolar forceps head is retracted to the outer tube body, then the handle is screwed, so that the flushing through hole on the flushing valve body is communicated with the outlet channel, at the moment, the suction through hole is not communicated with the outlet channel, the suction channel is closed, clear water is injected into the water injection tube, the clear water is sequentially injected into all the through holes through the flushing through hole and the outlet channel, and finally the flushing can be performed through the ejection of the through holes; when the cleaning sewage at the punching position of the abdominal cavity needs to be sucked and led out, the handle is screwed, so that the suction through hole on the suction valve body is communicated with the outlet channel, the flushing through hole is not communicated with the outlet channel, the flushing channel is closed, the suction pipe is opened, the suction pipe is connected with the negative pressure suction device, and the suction pipe can suck and led out the sewage in the abdominal cavity through the suction channel 1.
In summary, the invention has multiple functions of cutting, electrocoagulation, flushing, suction and the like, the novel technology adjusts the extension of the bipolar forceps heads and the opening and closing of the bipolar forceps heads through the ring handles, and changes the flushing and suction through the reversing adjusting valve, so that an operator can perform operation cutting, separation or electrocoagulation and flushing or suction in an operation area without repeatedly changing instruments, and the invention is particularly suitable for laparoscopic liver excision; because patients with liver resection often combine portal hypertension caused by liver cirrhosis, liver hardness and internal branch circulation are increased, risks such as poor liver coagulation function, insufficient liver reserve function, easy bleeding after operation and the like exist, and the operation difficulty is extremely high; when the liver is resected under the laparoscope, when the single double stage is used for cutting or electrocoagulation operation, continuous blood seepage is usually generated in the operation field, a large amount of smoke in the abdominal cavity is caused, auxiliary suction and flushing are needed by an assistant, the complexity of the operation is increased, the novel technology enables an operator to simultaneously perform multiple operations, the operation steps are reduced, the operation is simplified, the operation cutting, separation or electrocoagulation is performed, the flushing or suction of an operation area can be performed, the definition of an operation field is ensured, the requirements on the proficiency and the coordination degree of the assistant are reduced, the operation time can be effectively shortened, and the operation safety is increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view at A-A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is a schematic view of the installation of a bipolar forceps head;
FIG. 5 is a schematic structural view of a reversing valve;
fig. 6 is an enlarged view at C in fig. 5.
Detailed Description
As shown in fig. 1-6, the endoscopic bipolar operation instrument comprises a bipolar forceps head 1, an inner tube body 2, an inner core rod 3 and an outer tube body 4, wherein the central line of the outer tube body 4 is arranged in the front-back horizontal direction, a plurality of through holes 5 are formed in the tube wall of the outer tube body 4 in the axial direction, the plurality of through holes 5 are arranged in an annular array around the central line of the outer tube body 4, a fixed seat 6 is fixed at the rear end of the outer tube body 4, a perforation is formed in the fixed seat 6, the central line of the perforation coincides with the central line of the outer tube body 4, the inner tube body 2 is coaxially arranged in the outer tube body 4 in a penetrating way, the inner core rod 3 is coaxially arranged in the inner tube body 2, the rear end part of the inner tube body 2 is backwards penetrated out of the perforation of the fixed seat 6, a jack is formed in the fixed seat 6, a pin hole 7 is formed in the inner tube body 2, a connecting pin 8 matched with the pin hole 7 is formed in the jack of the fixed seat 6, a bump 9 is formed in the top surface of the rear end of the inner tube body 2, an L-shaped connecting fastener 10 is hinged on the inner tube body 3, the connecting fastener 10 is provided with a notch 11 matched with the positioning lug 9 and is arranged on the connecting fastener 10 and is used for overturning the top of the fixed seat 6;
The bottom of the fixed seat 6 is fixed with a first finger ring handle 12, the rear part of the fixed seat 6 is hinged with a second finger ring handle 31 through a first pin shaft 30, the first finger ring handle 12 and the second finger ring handle 31 form a finger ring handle, the upper part of the second finger ring handle 31 is provided with an arc hole 32, a second pin shaft 33 is connected in a sliding manner in the arc hole 32, and the rear end of the inner core rod 3 is connected with the second pin shaft 33;
The bipolar forceps head 1 comprises a first forceps head 34 and a second forceps head 35, wherein the first forceps head 34 is arranged at the front end of the inner tube body 2 and extends forwards, the second forceps head 35 is hinged at the front end of the inner tube body 2 through a third pin shaft 36, the second forceps head 35 is of an L-shaped structure, the second forceps head 35 consists of a front side part 37, a corner part 38 and a rear side part 39, the front side part 37 extends forwards, the front side part 37 and the first forceps head 34 are combined to form a clamping area, the third pin shaft 36 penetrates through the corner part 38, the rear side part 39 extends backwards, a connecting rod 40 is connected between the rear side part 39 and the front end of the inner core rod 3, two ends of the connecting rod 40 are hinged with the rear side part 39 and the inner core rod 3 respectively, a long hole is formed in the bottom surface of the front end of the inner tube body 2, and the corner part 38 of the second forceps head 35 penetrates through the long hole;
The reversing regulating valve 41 comprises a valve rod 13 and a valve seat 14, the valve seat 14 is fixed at the bottom of the rear end of the outer pipe body 4, the upper part of the valve seat 14 is an outlet channel 15, the outlet channel 15 is communicated with all through holes 5, flushing channels 16 and suction channels 17 are arranged in parallel at the lower part of the valve seat 14, the upper ends of the flushing channels 16 and the suction channels 17 are connected with the outlet channel 15, a partition 18 is arranged between the flushing channels 16 and the upper parts of the suction channels 17, spherical valve cavities are arranged at the upper parts of the flushing channels 16 and the upper parts of the suction channels 17, a flushing valve body 19 is arranged in the valve cavity of the flushing channels 16, a suction valve body 20 is arranged in the valve cavity of the suction channels 17, round holes are formed in the partition 18, the centers of the flushing valve body 19 and the suction valve body 20 are all positioned on the central line of the round holes, through flushing through holes 21 are formed in the flushing valve body 19 along the central line direction, through holes 22 are formed in the suction valve body 20 along the vertical direction, the central line of the flushing through holes 5 are arranged along the horizontal direction, and are mutually perpendicular to the central line of the round holes;
A connecting column 23 is connected between the flushing valve body 19 and the suction valve body 20, the connecting column 23 is arranged in the round hole in a penetrating way, the outer wall of the flushing valve body 19 is respectively in close fit with the contact surface of the inner wall of the valve seat 14 and the partition plate 18, the outer wall of the suction valve body 20 is respectively in close fit with the contact surface of the inner wall of the valve seat 14 and the partition plate 18, and a sealing sleeve is sleeved outside the connecting column 23; the valve seat 14 is fixedly provided with a sleeve 24, the center line of the sleeve 24 coincides with the center line of the round hole, the valve rod 13 is coaxially arranged in the sleeve 24 in a penetrating way, one end of the valve rod 13 penetrates through the valve seat 14 and then is connected with the flushing valve body 19, the other end of the valve rod 13 penetrates out of the sleeve 24 and then is connected with a handle 25, and a packing sealing assembly is arranged between the sleeve 24 and the valve rod 13.
The packing assembly comprises a packing end cover 26, a packing filling cavity is arranged between a sleeve 24 and a valve rod 13, one end of the sleeve 24 is a fixed end part, the other end of the sleeve 24 is an open end part, the fixed end part of the sleeve 24 is fixed on a valve seat 14, packing seals 27 are filled in the packing filling cavity, two sealing rings 28 are arranged on the valve rod 13, the two sealing rings 28 are positioned at two ends of the packing seals 27, the packing end cover 26 is fixed at the open end part of the sleeve 24 through screws and tightly presses the packing seals 27 in the packing filling cavity, and the packing sealing assembly can seal a gap between the sleeve 24 and the valve rod 13 to prevent liquid from flowing out of the sleeve 24 when flushing is performed;
The invention is a laparoscopic surgical instrument with cutting, electrocoagulation, flushing, attracting and other functions, when in use, the abdomen of a patient is perforated, then a poking card is placed in the hole, then the outer tube body 4 of the device is inserted into the poking card, then the bipolar forceps head 11 is connected with an electrode device (the electrode device is the prior conventional technology applied to a common electric knife), and the lower parts of a flushing channel 16 and an attracting channel 17 of a valve seat 14 are respectively connected with a flushing pipe and an attracting pipe; when cutting and electric coagulation are needed, the connecting fastener 10 is turned over, so that the positioning hole on the connecting fastener 10 is buckled on the convex block 9 of the inner tube body 2, at the moment, the connecting pin 8 is not inserted into the pin hole 7, under the action of the connecting fastener 10, the inner tube body 2 and the inner core rod 3 are connected together, then the index finger passes through the first finger ring handle 12, the thumb passes through the second finger ring handle 31 and lifts the second finger ring handle 31 upwards, the second finger ring handle 31 lifts upwards around the first pin shaft 30, the second finger ring handle 31 pushes the inner core rod 3, the inner tube body 2 moves forwards along with the inner core rod 3, the bipolar forceps head 1 at the front end of the inner tube body 2 is pushed forwards out of the outer tube body 4 (in the initial state), then the connecting fastener 10 is turned over, so that the positioning hole of the connecting fastener 10 is separated from the convex block 9, then the connecting pin 8 is inserted into the pin hole 7 of the inner tube body 2, at the moment, the fixing seat 6 and the inner tube body 2 are connected together, the electrode device is opened, and cutting and electric coagulation hemostasis can be performed, when a tissue in a cavity needs to be clamped, the second finger ring handle 31 pushes the inner core rod 3 forwards, the front end 39 is pulled by the second finger ring handle 3, and the front end 35 is pulled by the front end 35, and the front end 35 of the second forceps head 35 is pulled;
When flushing is needed, the connecting pin 8 is pulled out from the pin hole 7, the connecting fastener 10 is buckled on the convex block 9 again, the second finger ring handle 31 is pinched downwards, the bipolar forceps head 1 is retracted to the outer tube body 4, then the handle 25 is screwed, the flushing through hole 21 on the flushing valve body 19 is communicated with the outlet channel 15, at the moment, the suction through hole 5 is not communicated with the outlet channel 15, the suction channel 17 is closed, clear water is injected into the water injection tube, the clear water is sequentially injected into all the through holes 5 through the flushing through hole 21 and the outlet channel 15, and finally the flushing can be carried out through the ejection of the through holes 5; when the cleaning sewage at the punching position of the abdominal cavity needs to be sucked and led out, the handle 25 is screwed, so that the suction through hole 22 on the suction valve body 20 is communicated with the outlet channel 15, at the moment, the flushing through hole 5 is not communicated with the outlet channel 15, the flushing channel 16 is closed, the suction pipe is opened, the suction pipe is connected with the negative pressure suction device, and the suction pipe can suck and led out the sewage in the abdominal cavity through the suction channel 17.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention are all included in the scope of protection of the technical solution of the present invention.
Claims (1)
1. Bipolar operation apparatus under chamber mirror, its characterized in that: the double-pole forceps comprise a double-pole forceps head, an inner tube body, an inner core rod and an outer tube body, wherein the central line of the outer tube body is arranged in the front-back horizontal direction, a plurality of through holes are formed in the tube wall of the outer tube body along the axial direction, the through holes are distributed in an annular array around the central line of the outer tube body, a fixing seat is fixed at the rear end of the outer tube body, a through hole is formed in the fixing seat, the central line of the through hole coincides with the central line of the outer tube body, the inner core rod is coaxially arranged in the inner tube body in a penetrating manner, the rear end part of the inner tube body backwards penetrates out of the through hole of the fixing seat, the rear end part of the inner core rod backwards penetrates out of the inner tube body, a jack is formed in the fixing seat, a pin hole is formed in the inner tube body, a connecting pin matched with the pin hole is formed in the jack of the fixing seat in an inserted manner, a bump is formed in the top surface of the rear end part of the inner tube body, an L-shaped connecting fastener is hinged to the inner core rod, a positioning hole matched with the bump is formed in the connecting fastener, and a notch for connecting and overturning passing through is formed in the rear side top of the fixing seat.
The bottom of the fixed seat is fixed with a first finger ring handle, the rear part of the fixed seat is hinged with a second finger ring handle through a first pin shaft, the finger ring handle is formed by the first finger ring handle and the second finger ring handle, the upper part of the second finger ring handle is provided with an arc hole, a second pin shaft is connected in the arc hole in a sliding way, and the rear end of the inner core rod is connected with the second pin shaft;
The bipolar forceps head comprises a first forceps head part and a second forceps head part, the first forceps head part is arranged at the front end of the inner tube body and extends forwards, the second forceps head part is hinged at the front end of the inner tube body through a third pin shaft, the second forceps head part is of an L-shaped structure and consists of a front side part, a corner part and a rear side part, the front side part extends forwards and is combined with the first forceps head part to form a clamping area, the third pin shaft is arranged at the corner part in a penetrating way, the rear side part extends backwards, a connecting rod is connected between the rear side part and the front end of the inner core rod, two ends of the connecting rod are hinged with the rear side part and the inner core rod respectively, a long hole is formed in the bottom surface of the front end of the inner tube body, and the corner part of the second forceps head part penetrates through the long hole;
The reversing regulating valve comprises a valve rod and a valve seat, the valve seat is fixed at the bottom of the rear end of the outer pipe body, the upper part of the valve seat is an outlet channel, the outlet channel is communicated with all through holes, the lower part of the valve seat is provided with a flushing channel and a suction channel in parallel, the upper ends of the flushing channel and the suction channel are connected with the outlet channel, a partition plate is arranged between the upper parts of the flushing channel and the suction channel, spherical valve body cavities are arranged on the upper parts of the flushing channel and the suction channel, a flushing valve body is arranged in the valve body cavity of the flushing channel, a suction valve body is arranged in the valve body cavity of the suction channel, a round hole is formed in the partition plate, the centers of the flushing valve body and the suction valve body are all located on the central line of the round hole, a through flushing through hole is formed in the suction valve body along the central line direction, the central line of the flushing through hole is arranged along the vertical direction, and the central line of the suction through hole is arranged along the horizontal direction and is mutually perpendicular to the central line of the round hole;
A connecting column is connected between the flushing valve body and the suction valve body, the connecting column is arranged in the round hole in a penetrating way, the outer wall of the flushing valve body is tightly attached to the contact surface of the inner wall of the valve seat and the partition plate respectively, the outer wall of the suction valve body is tightly attached to the contact surface of the inner wall of the valve seat and the partition plate respectively, and a sealing sleeve is sleeved outside the connecting column; the valve seat is fixedly provided with a sleeve, the center line of the sleeve coincides with the center line of the round hole, the valve rod is coaxially arranged in the sleeve in a penetrating way, one end of the valve rod penetrates through the valve seat and then is connected with the flushing valve body, the other end of the valve rod penetrates out of the sleeve and then is connected with a handle, and a packing sealing assembly is arranged between the sleeve and the valve rod;
The packing assembly comprises a packing end cover, a packing filling cavity is arranged between the sleeve and the valve rod, one end of the sleeve is a fixed end part, the other end of the sleeve is an open end part, the fixed end part of the sleeve is fixed on the valve seat, packing sealing is filled in the packing filling cavity, two sealing rings are arranged on the valve rod and are positioned at two ends of the packing sealing, and the packing end cover is fixed at the open end part of the sleeve through screws and tightly presses the packing sealing in the packing filling cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811267233.2A CN109199575B (en) | 2018-10-29 | 2018-10-29 | Endoscopic bipolar instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267233.2A CN109199575B (en) | 2018-10-29 | 2018-10-29 | Endoscopic bipolar instrument |
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| CN109199575B true CN109199575B (en) | 2024-06-21 |
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| CN110731815B (en) * | 2019-10-30 | 2020-10-09 | 杭州市第三人民医院 | Vaporization electric cutting mirror for urinary system |
| CN111803146B (en) * | 2020-07-22 | 2021-07-16 | 中国医学科学院北京协和医院 | Peritoneoscope separating forceps with aspirator function |
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