CN209316047U - Bipolar operation instrument under hysteroscope - Google Patents

Abstract

Bipolar operation instrument under hysteroscope, including bipolar tweezer head, interior tube body, internal core rod and outer tube body, the center line of outer tube body is arranged along anterior-posterior horizontal direction, in axial direction offers several through-holes on the tube wall of outer tube body, several through-holes are arranged around the center line circular array of outer tube body；In conclusion the utility model has the multiple functions such as cutting, coagulation, bath, attraction, while so that patient is carried out surgical cut, separation or coagulation, art Qu Chongshui or attraction can be carried out, does not need to repeat to replace instrument, is particularly suitable for the dirty excision of Control of Hemorrhage in Laparoscopic Liver；New technology makes patient while can carry out a variety of operations, reduce surgical operation step, facilitate surgical procedure, while carrying out surgical cut, separation or coagulation, art Qu Chongshui or attraction can be carried out, ensure that the clear of surgical field of view, reduces the requirement to assistant's proficiency and fitness, operating time can effectively be shortened, increase the safety of operation.

Description

Bipolar operation instrument under hysteroscope

Technical field

The utility model belongs to field of medical technology, and in particular to bipolar operation instrument under a kind of hysteroscope is particularly suitable for The dirty excision of Control of Hemorrhage in Laparoscopic Liver.

Background technique

It is cut in laparoscopic surgery operating process, coagulation, attraction, bath, a variety of operational means such as drawing, it is existing Mode of operation is to beat 3-5 hole in patient abdomen, and stamp card is then placed in hole, then places hysteroscope in different stamp cards The different instrument such as aspirator under pincers, hysteroscope electric knife, hysteroscope realizes drawing, cutting and the different function such as coagulation, attraction respectively Energy；Existing way operation is relatively complicated, because lever different when operation often only has a certain item function, in order to subtract as far as possible Few damage few as far as possible can generally be punched in abdomen, thus in operation in order to realize different functions need it is frequent more Surgical instrument is changed, needs to block interior pull-out surgical instrument from stamp repeatedly, is then inserted into new surgical instrument, this process wastes The a large amount of time, operating time is extended, increases operation risk；In addition, existing operating process is typically all to beat 3-5 hole, Increase the damage to patient when punching more, be unfavorable for post-operative recovery, while punching more then required stamp and blocking more, waste money Source promotes cost；Prior art operation trouble, needs replacement operation instrument repeatedly, extends operating time；Prior art abdominal cavity device Tool often only has a kind of function, has a single function, uses inconvenience.

Utility model content

The utility model provides damage caused by a kind of reduction punching, easily to solve shortcoming in the prior art Change surgical procedure, improve procedure efficiency, save bipolar operation instrument under the hysteroscope that uses of stamp card, the utility model have cutting, The multiple functions such as coagulation, bath, attraction, make patient carry out surgical cut, separation or while coagulation, can carry out art Qu Chongshui or Attract, does not need to repeat to replace instrument, be particularly suitable for the dirty excision of Control of Hemorrhage in Laparoscopic Liver, facilitate surgical procedure, reduce to helping The requirement of hand proficiency and fitness can effectively shorten operating time, increase the safety of operation.

In order to solve the above technical problems, the utility model adopts the following technical solution: bipolar operation instrument under hysteroscope, including The center line of bipolar tweezer head, interior tube body, internal core rod and outer tube body, outer tube body is arranged along anterior-posterior horizontal direction, the tube wall of outer tube body On in axial direction offer several through-holes, several through-holes around outer tube body center line circular array arrange, outer tube body Rear end be fixed with fixing seat, fixing seat is equipped with perforation, and the center line of perforation is overlapped with the center line of outer tube body, and interior tube body is same Axis is threaded through in outer tube body, and internal core rod coaxial line is threaded through in interior tube body, and the rear end of interior tube body is pierced by fixing seat backward Perforation, the rear end of internal core rod are pierced by interior tube body backward, and fixing seat is equipped with jack, and interior tube body is equipped with pin hole, fixing seat It is inserted with connecting pin compatible with pin hole in jack, the rear end top surface of interior tube body is equipped with convex block, on the rear end of internal core rod Connection fastener equipped with L-type, connection fastener are hinged in internal core rod, and connection fastener is equipped with location hole compatible with convex block, The backside top of fixing seat, which is equipped with, overturns the notch passed through for connection fastener；

The bottom of fixing seat is fixed with the first finger ring handle, and the rear portion of fixing seat is hinged with the second finger ring by the first pin shaft Handle, the first finger ring handle and the second finger ring handle form finger ring handle, and the top of the second finger ring handle offers arcuate socket, slides in arcuate socket Dynamic to be connected with the second pin shaft, the rear end of internal core rod is connect with the second pin shaft；

Bipolar tweezer head includes the first tweezer head and the second tweezer head, and the front end of interior tube body and forward is arranged in the first tweezer head It is extended, the second tweezer head is hinged on the front end of interior tube body by third pin shaft, and the second tweezer head is of an L-shaped structure, the second tweezer Head is made of front side portion, corner part and rear lateral portion, and front side portion is extended forward, and front side portion is formed with the first tweezer head combination Region is clamped, third pin shaft is threaded through corner part, and rear lateral portion extends back setting, is connected between rear lateral portion and internal core rod front end Connecting rod, the both ends of connecting rod are hinged with rear lateral portion and internal core rod respectively, and the front end bottom surface of interior tube body is equipped with long hole, and described second The corner part on tweezer head passes through the long hole；

Commutation regulating valve includes valve rod and valve seat, and valve seat is fixed on the rear end bottom of outer tube body, and the top of valve seat is outlet Channel, exit passageway are connected with all through-holes, and the lower parallel of valve seat is equipped with irrigation channel and attraction channel, irrigation channel It is connect with exit passageway with the upper end of attraction channel, partition is equipped between irrigation channel and the top of attraction channel, rinsed logical The top in road and the top of attraction channel are equipped with spherical valve body cavity, are equipped with flush valve body wall in the valve body cavity of irrigation channel, Attraction valve body is installed in the valve body cavity of attraction channel, circular hole is offered on partition, flush valve body wall and the center of attraction valve body are equal On the center line of circular hole, penetrating flushing open-work is offered in flush valve body wall along centerline direction, aspirating valve body is interior in Heart line direction offers penetrating attraction open-work, and the center line for rinsing through-hole is arranged in the vertical direction, attracts the center line of through-hole Horizontally disposed and with circular hole center line is mutually perpendicular to；

It is connected with connecting column between flush valve body wall and attraction valve body, connecting column is worn in circular hole, outside flush valve body wall Wall is respectively to fit closely with the contact surface of valve base inner wall and partition, attract the outer wall of valve body respectively with valve base inner wall and partition Contact surface be to fit closely, the outer cover of connecting column is equipped with sealing shroud；Be fixed with casing on valve seat, the center line of casing with The center line of circular hole coincides, and valve rod coaxial line is threaded through in casing, and one end of valve rod is connect after passing through valve seat with flush valve body wall, The other end of valve rod is connected with handle after being pierced by casing, and packing seal component is equipped between casing and valve rod.

Packing seal component includes filler end cap, filler filled cavity is equipped between casing and valve rod, one end of casing is solid The other end in fixed end portion, casing is open end, and the fixation end of casing is fixed on valve seat, is filled out in filler filled cavity Material seals, and is set on valve rod there are two sealing ring, two sealing rings are located at packing seal both ends, and filler end cap is fixed by screws in The open end of casing simultaneously compresses the packing seal in filler filled cavity.

By adopting the above technical scheme, the utility model has the following beneficial effects: the utility model is with cutting, electricity The laparoscopic surgical instruments of the functions such as solidifying, bath, attraction are punched in patient abdomen when in use, then place stamp card In hole, the outer tube body of the present apparatus is then inserted within stamp blocks, then (electrode assembly is to answer by bipolar tweezer head connection electrode device For common electric knife existing conventional techniques), flushing pipe and suction will be separately connected below the irrigation channel and attraction channel of valve seat Skirt；When needing to carry out cutting coagulation, connection fastener is overturn, so that the location hole on connection fastener is fastened on interior tube body On convex block, connecting pin is not plugged in pin hole at this time, and due to the effect of connection fastener, interior tube body links together with internal core rod, Then index finger passes through the first finger ring handle, and thumb passes through the second finger ring handle and is lifted the second finger ring handle upwards, and the second finger ring handle is around the One pin shaft is lifted upwards, so that the second finger ring handle pushes internal core rod, interior tube body follows internal core rod to move forward, so that before interior tube body The bipolar tweezer head at end releases forward outer tube body (bipolar tweezer head is located in outer tube body when original state), then turns over connection fastener Turn, so that the location hole of connection fastener is mutually separated with convex block, then connecting pin is plugged in the pin hole of interior tube body, is fixed at this time Seat links together with interior tube body, and opening electrode assembly can carry out cutting electric coagulation hemostasis, when needing to clamp hysteroscope inner tissue When, the second finger ring handle is operated, the second finger ring handle can pull internal core rod, and internal core rod front end pulls the rear lateral portion on the second tweezer head, To which the front side portion on the second tweezer head and the first tweezer head form clamping movement；

When needing to be rinsed, connecting pin is extracted out of pin hole, connection fastener is fastened on convex block again, downwards Pinch the second finger ring handle, so that bipolar tweezer head is retracted to outer tube body, then screw handle so that the flushing open-work in flush valve body wall with Exit passageway connection, attracts through-hole not to be connected to exit passageway at this time, and attraction channel is closed, the injected clear water into water injection pipe, clearly Water successively injects in all through-holes through rinsing open-work and exit passageway, and last via through holes ejection can be rinsed；Work as needs When cleaning sullage at abdominal cavity punching is attracted out, handle is screwed, so that attraction open-work and exit passageway on valve body is attracted to connect It is logical, through-hole is rinsed at this time and is not connected to exit passageway, and irrigation channel is closed, and suction tube is opened, and suction tube and vacuum extractor connect It connects, suction tube can be attracted intraperitoneal sewage out by attraction channel 1.

In conclusion the utility model has the multiple functions such as cutting, coagulation, bath, attraction, new technology passes through finger ring hand Handle adjusts the stretching of bipolar tweezer head and the folding of bipolar tweezer head, by commutation regulating valve change bath and attract, make patient into While row surgical cut, separation or coagulation, art Qu Chongshui or attraction can be carried out, does not need to repeat to replace instrument, it is especially suitable In the dirty excision of Control of Hemorrhage in Laparoscopic Liver；Since the patient of hepatotomy often merges Cirrhosis And Portal, liver hardness and liver Interior Doppler flow mapping increases, and risks, the operation such as postoperative easy bleeding are difficult in poor, hepatic functional reserve deficiency that there are liver coagulation functions, art Degree is very big；In the dirty excision of Control of Hemorrhage in Laparoscopic Liver, when single single twin-stage carries out cutting or coagulation operation, visual area, which often exists, to continue Oozing of blood, while intraperitoneal a large amount of smog are caused, it needs assistant to assist attracting and rinse, increases the complexity of surgical procedure, newly Technology makes patient while can carry out a variety of operations, reduces surgical operation step, facilitates surgical procedure, cuts carrying out operation It cuts, separate or while coagulation, art Qu Chongshui or attraction can be carried out, ensure that the clear of surgical field of view, reduced ripe to assistant The requirement of white silk degree and fitness can effectively shorten operating time, increase the safety of operation.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the cross-sectional view in Fig. 1 at A-A；

Fig. 3 is the enlarged drawing in Fig. 1 at B；

Fig. 4 is the scheme of installation of bipolar tweezer head；

Fig. 5 is the structural schematic diagram of commutation regulating valve；

Fig. 6 is the enlarged drawing in Fig. 5 at C.

Specific embodiment

As shown in figures 1 to 6, bipolar operation instrument under the hysteroscope of the utility model, including bipolar tweezer head 1, interior tube body 2, inner core The center line of bar 3 and outer tube body 4, outer tube body 4 is arranged along anterior-posterior horizontal direction, in axial direction opens up on the tube wall of outer tube body 4 There are several through-holes 5, several through-holes 5 arrange that the rear end of outer tube body 4 is fixed with around the center line circular array of outer tube body 4 Fixing seat 6, fixing seat 6 are equipped with perforation, and the center line of perforation is overlapped with the center line of outer tube body 4, and 2 coaxial line of interior tube body is worn In outer tube body 4,3 coaxial line of internal core rod is threaded through in interior tube body 2, and the rear end of interior tube body 2 is pierced by wearing for fixing seat 6 backward Hole, the rear end of internal core rod 3 are pierced by interior tube body 2 backward, and fixing seat 6 is equipped with jack, and interior tube body 2 is equipped with pin hole 7, fixing seat Connecting pin 8 compatible with pin hole 7 is inserted in 6 jack, the rear end top surface of interior tube body 2 is equipped with convex block 9, internal core rod 3 Rear end is equipped with the connection fastener 10 of L-type, and connection fastener 10 is hinged in internal core rod 3, and connection fastener 10 is equipped with and convex block 9 Compatible location hole, the backside top of fixing seat 6, which is equipped with, overturns the notch 11 passed through for connection fastener 10；

The bottom of fixing seat 6 is fixed with the first finger ring handle 12, and the rear portion of fixing seat 6 is hinged with second by the first pin shaft 30 Finger ring handle 31, the first finger ring handle 12 and the second finger ring handle 31 form finger ring handle, and the top of the second finger ring handle 31 offers arc Hole 32 slidably connects the second pin shaft 33 in arcuate socket 32, and the rear end of internal core rod 3 is connect with the second pin shaft 33；

Bipolar tweezer head 1 includes the first tweezer head 34 and the second tweezer head 35, before interior tube body 2 is arranged in the first tweezer head 34 It holds and is extended forward, the second tweezer head 35 is hinged on the front end of interior tube body 2 by third pin shaft 36, and the second tweezer head 35 is in L-type structure, the second tweezer head 35 are made of front side portion 37, corner part 38 and rear lateral portion 39, and front side portion 37 is extended forward, preceding Side 37 combines formation clamping region with the first tweezer head 34, and third pin shaft 36 is threaded through corner part 38, and rear lateral portion 39 is prolonged backward Stretch setting, be connected with connecting rod 40 between 3 front end of rear lateral portion 39 and internal core rod, the both ends of connecting rod 40 respectively with rear lateral portion 39 and inner core Bar 3 is hinged, and the front end bottom surface of interior tube body 2 is equipped with long hole, and the corner part 38 on the second tweezer head 35 passes through the length Hole；

The regulating valve 41 that commutates includes valve rod 13 and valve seat 14, and valve seat 14 is fixed on the rear end bottom of outer tube body 4, valve seat 14 Top is exit passageway 15, and exit passageway 15 is connected with all through-holes 5, and the lower parallel of valve seat 14 is equipped with irrigation channel 16 With attraction channel 17, the upper end of irrigation channel 16 and attraction channel 17 is connect with exit passageway 15, irrigation channel 16 and attraction Partition 18 is equipped between the top in channel 17, the top of irrigation channel 16 and the top of attraction channel 17 are equipped with spherical valve body Chamber is equipped with flush valve body wall 19 in the valve body cavity of irrigation channel 16, is equipped in the valve body cavity of attraction channel 17 and attracts valve body 20, Circular hole is offered on partition 18, flush valve body wall 19 and the center of attraction valve body 20 are respectively positioned on the center line of circular hole, flush valve body wall Penetrating flushing open-work 21 is offered in 19 along centerline direction, attracts in valve body 20 and offers penetrating suction along centerline direction Draw open-work 22, the center line for rinsing through-hole 5 is arranged in the vertical direction, attract the center line of through-hole 5 horizontally disposed and It is mutually perpendicular to the center line of circular hole；

It is connected with connecting column 23 between flush valve body wall 19 and attraction valve body 20, connecting column 23 is worn in circular hole, is rinsed Contact surface of the outer wall of valve body 19 respectively with 14 inner wall of valve seat and partition 18 is to fit closely, and attracts the outer wall difference of valve body 20 Contact surface with 14 inner wall of valve seat and partition 18 is to fit closely, and the outer cover of connecting column 23 is equipped with sealing shroud；On valve seat 14 It is fixed with casing 24, the center line of casing 24 and the center line of circular hole coincide, and 13 coaxial line of valve rod is threaded through in casing 24, valve One end of bar 13 is connect after passing through valve seat 14 with flush valve body wall 19, and the other end of valve rod 13 is connected with handle after being pierced by casing 24 25, packing seal component is equipped between casing 24 and valve rod 13.

Packing seal component includes filler end cap 26, and filler filled cavity is equipped between casing 24 and valve rod 13, casing 24 One end is fixed end, and the other end of casing 24 is open end, and the fixation end of casing 24 is fixed on valve seat 14, and filler is filled out It fills intracavitary filled with packing seal 27, is set on valve rod 13 there are two sealing ring 28, two sealing rings 28 are located at 27 liang of packing seal End, filler end cap 26 are fixed by screws in the open end of casing 24 and compress the packing seal 27 in filler filled cavity, The setting of packing seal component can prevent having liquid from set when being rinsed with the gap between sealing sleeve pipe 24 and valve rod 13 Outflow in pipe 24；

The utility model is the laparoscopic surgical instruments with functions such as cutting, coagulation, bath, attractions, is being used When patient abdomen punch, then will stamp card be placed in hole, then stamp block in insertion the present apparatus outer tube body 4, then will Bipolar 11 connection electrode device of tweezer head (electrode assembly is applied to common electric knife existing conventional techniques), the flushing of valve seat 14 is led to The lower section of road 16 and attraction channel 17 is separately connected flushing pipe and suction tube；When needing to carry out cutting coagulation, by connection fastener 10 overturnings, so that the location hole on connection fastener 10 is fastened on the convex block 9 of interior tube body 2, connecting pin 8 is not plugged in pin hole at this time In 7, due to the effect of connection fastener 10, interior tube body 2 links together with internal core rod 3, and then index finger passes through the first finger ring handle 12, Thumb passes through the second finger ring handle 31 and is lifted the second finger ring handle 31 upwards, and the second finger ring handle 31 is lifted upwards around the first pin shaft 30, To which the second finger ring handle 31 pushes internal core rod 3, interior tube body 2 follows internal core rod 3 to move forward, so that 2 front end of interior tube body is bipolar Tweezer head 1 when releasing outer tube body 4(original state forward bipolar tweezer head 1 be located in outer tube body 4), then connection fastener 10 is overturn, So that the location hole of connection fastener 10 is separated with 9 phase of convex block, then connecting pin 8 is plugged in the pin hole 7 of interior tube body 2, at this time Fixing seat 6 links together with interior tube body 2, opens electrode assembly, can carry out cutting electric coagulation hemostasis, when needing to clamp in hysteroscope When tissue, the second finger ring handle 31 is operated, the second finger ring handle 31 can pull internal core rod 3, and 3 front end of internal core rod pulls the second tweezer head 35 rear lateral portion 39, so that the front side portion 37 on the second tweezer head 35 and the first tweezer head 34 form clamping movement；

When needing to be rinsed, connecting pin 8 is extracted out of pin hole 7, connection fastener 10 is fastened on convex block 9 again On, the second finger ring handle 31 is pinched downwards, so that bipolar tweezer head 1 is retracted to outer tube body 4, handle 25 is then screwed, so that flush valve body wall Flushing open-work 21 on 19 is connected to exit passageway 15, attracts through-hole 5 not to be connected to exit passageway 15 at this time, and attraction channel 17 closes It closes, the injected clear water into water injection pipe, clear water successively injects in all through-holes 5 through rinsing open-work 21 and exit passageway 15, finally The ejection of via through holes 5 can be rinsed；When needing to attract the cleaning sullage at abdominal cavity punching out, handle 25 is screwed, so that Attract the attraction open-work 22 on valve body 20 to be connected to exit passageway 15, rinses through-hole 5 at this time and be not connected to exit passageway 15, rinsed Channel 16 is closed, and suction tube is opened, and suction tube connect with vacuum extractor, and suction tube can will be intraperitoneal by attraction channel 17 Sewage attract out.

The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality With the protection scope of new technique scheme.

Claims (2)

1. bipolar operation instrument under hysteroscope, it is characterised in that: including bipolar tweezer head, interior tube body, internal core rod and outer tube body, outer tube body Center line be arranged along anterior-posterior horizontal direction, in axial direction offer several through-holes along the tube wall of outer tube body, several are logical Hole arranges that the rear end of outer tube body is fixed with fixing seat around the center line circular array of outer tube body, and fixing seat is equipped with perforation, wears The center line in hole is overlapped with the center line of outer tube body, and interior tube body coaxial line is threaded through in outer tube body, and internal core rod coaxial line is threaded through In interior tube body, the rear end of interior tube body is pierced by the perforation of fixing seat backward, and the rear end of internal core rod is pierced by interior tube body backward, fixed Seat is equipped with jack, and interior tube body is equipped with pin hole, is inserted with connecting pin compatible with pin hole, interior tube body in the jack of fixing seat Rear end top surface be equipped with convex block, the rear end of internal core rod is equipped with the connection fastener of L-type, and connection fastener is hinged on internal core rod On, connection fastener is equipped with location hole compatible with convex block, and the backside top of fixing seat is equipped with logical for connection fastener overturning The notch crossed；

The bottom of fixing seat is fixed with the first finger ring handle, and the rear portion of fixing seat is hinged with the second finger ring handle by the first pin shaft, the One finger ring handle and the second finger ring handle form finger ring handle, and the top of the second finger ring handle offers arcuate socket, and sliding connects in arcuate socket It is connected to the second pin shaft, the rear end of internal core rod is connect with the second pin shaft；

Bipolar tweezer head includes the first tweezer head and the second tweezer head, and the first tweezer head is arranged in the front end of interior tube body and extends forward Setting, the second tweezer head are hinged on the front end of interior tube body by third pin shaft, and the second tweezer head is of an L-shaped structure, the second tweezer head It is made of front side portion, corner part and rear lateral portion, front side portion is extended forward, and front side portion and the first tweezer head combination are formed and clamped Region, third pin shaft are threaded through corner part, and rear lateral portion extends back setting, are connected between rear lateral portion and internal core rod front end Bar, the both ends of connecting rod are hinged with rear lateral portion and internal core rod respectively, and the front end bottom surface of interior tube body is equipped with long hole, second tweezer The corner part on head passes through the long hole；

Commutation regulating valve includes valve rod and valve seat, and valve seat is fixed on the rear end bottom of outer tube body, and the top of valve seat is exit passageway, Exit passageway is connected with all through-holes, and the lower parallel of valve seat is equipped with irrigation channel and attraction channel, irrigation channel and suction The upper end for drawing channel is connect with exit passageway, and partition is equipped between irrigation channel and the top of attraction channel, irrigation channel Top and the top of attraction channel are equipped with spherical valve body cavity, are equipped with flush valve body wall in the valve body cavity of irrigation channel, attract Attraction valve body is installed in the valve body cavity in channel, circular hole is offered on partition, flush valve body wall and the center of attraction valve body are respectively positioned on On the center line of circular hole, penetrating flushing open-work is offered in flush valve body wall along centerline direction, aspirating valve body is interior along center line Direction offers penetrating attraction open-work, and the center line for rinsing through-hole is arranged in the vertical direction, attracts the center line of through-hole along water Square to be arranged and be mutually perpendicular to the center line of circular hole；

It is connected with connecting column between flush valve body wall and attraction valve body, connecting column is worn in circular hole, the outer wall point of flush valve body wall It is not to fit closely with the contact surface of valve base inner wall and partition, the outer wall of valve body is attracted to connect respectively with valve base inner wall and partition Contacting surface is to fit closely, and the outer cover of connecting column is equipped with sealing shroud；Casing, the center line and circular hole of casing are fixed on valve seat Center line coincide, valve rod coaxial line is threaded through in casing, and one end of valve rod is connect after passing through valve seat with flush valve body wall, valve rod The other end be pierced by casing after be connected with handle, between casing and valve rod be equipped with packing seal component.

2. bipolar operation instrument under hysteroscope according to claim 1, it is characterised in that: packing seal component includes charge end Lid is equipped with filler filled cavity between casing and valve rod, one end of casing is fixed end, and the other end of casing is open end, The fixation end of casing is fixed on valve seat, and packing seal is filled in filler filled cavity, is set on valve rod there are two sealing ring, two A sealing ring is located at packing seal both ends, and filler end cap is fixed by screws in the open end of casing and will be in filler filled cavity Packing seal compress.