CN117860370B - Electric coagulation forceps for endoscope - Google Patents
Electric coagulation forceps for endoscope Download PDFInfo
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- CN117860370B CN117860370B CN202410269349.9A CN202410269349A CN117860370B CN 117860370 B CN117860370 B CN 117860370B CN 202410269349 A CN202410269349 A CN 202410269349A CN 117860370 B CN117860370 B CN 117860370B
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- 230000005404 monopole Effects 0.000 abstract description 17
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Abstract
The application relates to an electric coagulation forceps for an endoscope, which relates to the technical field of medical appliances and comprises a handle, a working rod arranged at the front end of the handle, forceps tips and an adjusting assembly; the forceps tip comprises an upper forceps head and a lower forceps head which are connected with each other in a rotating way, the upper forceps head is provided with a monopole cutter head, the monopole cutter head protrudes out of the surface of the upper forceps head and is arranged, an accommodating groove for accommodating the work monopole cutter head is formed in the lower forceps head, the outer circumferential side of the upper forceps head is provided with a first dipole, the lower forceps head is provided with a second dipole on the outer circumferential side of the accommodating groove, the first dipole corresponds to the second dipole, a control joint for enabling the monopole cutter head, the first dipole and the second dipole to be powered on and off is arranged at the handle, the control joint is electrically connected with a host, and the host is used for controlling the monopole cutter head or the first dipole and the second dipole to be powered on and off. The application has the effects of reducing the time between tissue cutting and tissue electrocoagulation, reducing the time of waiting for disconnection, improving the operation efficiency and reducing the operation risk.
Description
Technical Field
The application relates to the technical field of medical appliances, in particular to an electric coagulation forceps for an endoscope.
Background
At present, in the laparoscopic surgery, the electric coagulation technology is often adopted to cut and electric coagulate tissues in the surgery, the electric coagulation technology comprises single-stage electric coagulation and double-stage electric coagulation, the single-stage electric coagulation forceps are single-stage in application and are in contact with a human body on forceps heads, the other single-stage electric coagulation forceps are large in high-frequency electric energy contact surface in the surgical application, the electric coagulation forceps can only be applied to separation and hemostasis of human body bodies and large tissues, and the high-frequency electric energy widely contacts the human body and has a certain influence on the heart of the human body. The bipolar coagulation is to provide high-frequency electric energy to organism tissues through two tips of the bipolar, so that the tissues between the two ends of the bipolar are dehydrated and coagulated, and the aim of hemostasis is achieved; the bipolar electric coagulation type electrode has the advantages that the action range is limited between two ends of the electrode, the damage degree and the influence range on body tissues are far smaller than those of a monopolar mode, the bipolar electric coagulation type electrode is suitable for tissue and organ separation, incision, small organ cutting and the like, and bipolar electric coagulation is mainly used for finer operations such as brain surgery, microsurgery, five sense organs, gynaecology and obstetrics, hand surgery and the like.
In the process of actual use, when carrying out the operation of different stages, when needing to cut, electric coagulation hemostasis etc. different functions to the tissue, need to utilize monopole electric coagulation forceps to carry out the fast cutting, utilize bipolar electric coagulation forceps to carry out fast hemostasis, the in-process of switching between cutting equipment and electric coagulation equipment, the consuming time is longer, extension operation leaves disconnected latency, so needs to improve.
Disclosure of Invention
In order to reduce the time between tissue cutting and tissue electrocoagulation, reduce the time of waiting for disconnection, improve the operation efficiency and reduce the operation risk, the application provides the electric coagulation forceps for the endoscope.
The application provides an electric coagulation forceps for an endoscope, which adopts the following technical scheme:
An electric coagulation forceps for an endoscope comprises a handle, a working rod arranged at the front end of the handle, forceps tips arranged at the front end of the working rod in an opening and closing mode, and an adjusting assembly for adjusting the opening and closing of the forceps tips; the utility model provides a pair of tweezers, including the tweezers point, the tweezers point is including the last tweezers head and the lower tweezers head of mutual swivelling joint, go up the tweezers head on establish the monopole tool bit, the monopole tool bit protrusion in go up the surface of tweezers head and lay, down seted up the worker on the tweezers head the holding tank that the monopole tool bit held, go up the tweezers head in the periphery side of monopole tool bit is equipped with first bipolar, first bipolar encircle the monopole tool bit lays, down the tweezers head in the periphery side of holding tank is equipped with the second bipolar, the second bipolar encircles the holding tank lays, down the tweezers head in the periphery side of holding tank is equipped with the puncture head, the puncture head is followed the extending direction of lower tweezers head is barb form and lays, just first bipolar with the second bipolar is corresponding, handle department is equipped with and is used for making monopole tool bit, first bipolar and the bipolar control joint that leads to the power on and off with the second bipolar, the control joint is connected with the host computer electricity for controlling monopole tool bit or first bipolar and the bipolar that leads to the power off.
Through adopting above-mentioned technical scheme, when needing to carry out the intraperitoneal operation, medical personnel stretch into the abdominal cavity with work pole and endoscope this moment, at first, the nipper point circular telegram when connecting through the control, observe the position that needs the operation through the endoscope, and carry out the centre gripping to the tissue through the meshing of control nipper head and lower nipper head, when needs carry out the cutting to the tissue, control the monopole tool bit circular telegram through the host computer this moment, return circuit through electrode slice on monopole tool bit and the human body, control nipper head and lower nipper head meshing through the adjusting part, make monopole tool bit orientation holding tank's direction rotate, until the tool bit is located the holding tank completely, accomplish the cutting to the tissue this moment, when cutting finishes and needs to carry out the electric coagulation to the cutting part, carry out quick electric coagulation through the host computer this moment, need not change equipment this moment, can realize the electric coagulation while cutting in the operation process, greatly shorten the operation cycle, promote operation efficiency.
Because the electric coagulation is to communicate high-frequency current to the blood vessel to make the blood vessel closure reach the effect of electric coagulation hemostasis, and blood vessel in the tissue often is located the tissue, when last tweezers head and lower tweezers head through the puncture head that sets up mesh, puncture head pierces the tissue in this moment, carries out electric coagulation to the blood vessel in the tissue, thereby promotes electric coagulation hemostasis's efficiency.
Optionally, the work pole is hollow form and lays, adjusting part including slide set up in adjust the pole in the work pole, go up the tweezers head with lower tweezers head rotates junction with adjust the pole and keep away from the one end of handle is connected, handle department still is equipped with the right adjust pole carries out the regulation spare of sliding adjustment.
Through adopting above-mentioned technical scheme, when needs make last tweezers head and lower tweezers head carry out the meshing, through rotating the handle this moment, make the regulation pole in the work pole internal sliding, adjust pole gliding in-process drive go up tweezers head and lower tweezers head and slide in the work pole to realize going up tweezers head and lower tweezers head's meshing.
Optionally, the regulating part is including locating the regulation bulb that the regulation pole kept away from the nipper point one end, handle department rotates and is connected with the operation handle, the operation groove has been seted up on the operation handle, adjust the bulb slide set up in the operation groove, the nipper point rotate set up in on the work pole, still be equipped with on the work pole to the nipper point rotates the rotating part of regulation.
Through adopting above-mentioned technical scheme, when planning personnel held the handle and rotated the operation handle, the operation handle rotated, adjusts the bulb and slides in the operation groove this moment to realize adjusting the slip of pole in the working lever, realize the meshing and the separation to the tweezers point.
Tissue cutting and hemostasis are needed according to actual operation conditions in the operation process, and in order to ensure the comfort level of a doctor in the operation, the wrist of the doctor is inconvenient to keep unchanged for a long time at the moment, the angle of the wrist of the human body can be turned over is limited, the angle of the forceps tip is adjusted in the operation process through the rotating piece, the comfort level of the doctor in the operation is improved conveniently, the tissue cutting and the electrocoagulation hemostasis at different angles are convenient to carry out, the adjusting ball head is arranged at the moment, the working rod is convenient to rotate along with the forceps tip while the sliding of the working rod is realized, interference is not generated, and therefore the rotating angle of the forceps tip is convenient to adjust.
Optionally, the working rod rotates and sets up in on the handle, the rotation piece including rotate set up in the rotation wheel on the handle, the rotation wheel cover is located the working rod periphery wall and with the working rod is fixed mutually.
Through adopting above-mentioned technical scheme, when carrying out the in-process of operation, need to adjust the turned angle of tweezers point, doctor rotates the rotor at this moment to make regulation pole and working lever rotate, drive the tweezers point and rotate this moment, thereby carry out tissue cutting and electrocoagulation to actual operation condition.
Optionally, be equipped with the spacing dish on the handle, elasticity is provided with the stopper on the rotation wheel, the spacing groove has been seted up on the spacing dish, the stopper activity inserts in the spacing groove, just the stopper is close to the end side of spacing groove is the ball form, the end side of stopper with the activity is supported tightly on the inside wall of spacing groove.
Through adopting above-mentioned technical scheme, the spacing dish and the stopper that set up are fixed the rotation angle of rotor, and when the doctor rotated the rotor, the rotor drove the stopper and rotated this moment, because spacing dish is connected with the handle this moment, and the end side of stopper is the sphere, and the stopper elasticity sets up on the rotor, and when the rotor rotated, spherical stopper cooperatees with elastic compression force and does not influence the normal rotation of rotor; when rotating to the suitable angle, the stopper rotates to the limit groove when corresponding this moment, and the stopper inserts the limit inslot automatically under the elastic restoring force effect this moment, carries out spacingly to the angle of rotation wheel to make the tweezers sharp angle after the angle is fixed stable, thereby make the stability of follow-up tissue cutting and electric coagulation.
Optionally, run through in the work pole and laid the haulage rope, the one end of haulage rope with lower tweezers head is connected, the haulage rope keep away from with the one end that lower tweezers head is connected with the handle is connected, lower tweezers head rotate and slide set up in on the work pole, on the handle in the middle part of haulage rope still is equipped with the length piece that carries out length adjustment to the haulage rope.
Through adopting above-mentioned technical scheme, the haulage rope that sets up in the working beam pulls down the tweezers head, when the cutting of tissue is carried out to the conventionality, the meshing degree between the tweezers head and the tweezers head down is compared in the meshing degree when the electric coagulation this moment and is little, consequently, need adjust the meshing degree of tweezers point this moment, the technician adjusts the length of haulage rope through the length piece this moment, thereby realize the length adjustment of haulage rope, the length when the haulage rope gradually reduces for a short time, the tweezers head is close to the tweezers head and meshes under the haulage rope pulling this moment, thereby realize the cutting of tissue, realize the efficiency and the homogeneity of the cutting of tissue.
Optionally, the length piece is including locating to rotate set up in the reel in the handle, the haulage rope is around locating on the reel, still be equipped with on the handle and right the operating element that the reel rotated the regulation.
Through adopting above-mentioned technical scheme, when needs are adjusted the length of haulage rope, technician rotates the reel, make the reel rotate, drive down the tweezers head and be close to meshing about the tweezers head on locating the haulage rope on the reel, thereby carry out the centre gripping to the tissue, the same reason, when carrying out the centre gripping cutting to big tissue, the tweezers point needs to carry out centre gripping and cutting to big tissue this moment, technician rotates the reel this moment, adjust the opening width between tweezers head and the lower tweezers head, thereby realize cutting and the electric coagulation to not equidimension tissue, need not change equipment, and easy operation, compare the fixed tweezers point of conventional opening size, need change the electric coagulation forceps of equidimension according to the diameter and the size of tissue, promote the suitability of electric coagulation forceps.
Optionally, the puncture head is rotatably arranged on the lower forceps head, and the lower forceps head is further provided with a movable structure for adjusting the puncture head by the traction rope.
By adopting the technical scheme, when the tissue is subjected to electrocoagulation, the puncture head is favorable for improving the electrocoagulation of the internal blood vessel of the tissue by the electric coagulation forceps, so that the electrocoagulation efficiency is improved; when the tissue is cut, the puncture head is easy to puncture the tissue blood vessel at the moment, so that the bleeding amount is increased, the puncture head is required to be stored during cutting, and the puncture head is rotationally arranged on the lower forceps head, so that the puncture head is rotationally adjusted through the reel and the movable structure during monopolar cutting and bipolar electrocoagulation, and the puncture head is rotationally adjusted during monopolar cutting and bipolar cutting, so that efficient cutting and efficient electrocoagulation are realized.
Optionally, the movable structure is including locating draw the groove on the lower tweezers head, the haulage rope runs through draw the groove and lay, just the haulage rope is in deep one end elasticity of the lower tweezers head set up in on the interior diapire of draw the groove, just the haulage rope with a plurality of the puncture head is located one end in the lower tweezers head is connected, works as go up the tweezers head with when the lower tweezers head does not mesh completely, still be equipped with on the lower tweezers head and right carry out spacing limit structure to the haulage rope in the lower tweezers head.
By adopting the technical scheme, because when tissue cutting is carried out, the upper forceps head and the lower forceps head are required to be meshed slowly, the tissue cutting is realized, because the monopole cutter head can be electrified with high-frequency current at the moment, a certain electric coagulation is realized when the cutting is carried out, and the upper forceps head and the lower forceps head are required to be meshed completely when the electric coagulation is carried out, so that the electric coagulation of the cutting part is realized, the puncture head is required to be kept not to protrude out of the lower forceps heads all the time in the cutting process, and only when the electric coagulation is required to be carried out, the puncture head is required to rotate and protrude out of the lower forceps heads, so that the bipolar electric coagulation is carried out, the limiting structure at the moment unlocks the traction rope in the lower forceps heads, the puncture head is further regulated to protrude out of the lower forceps heads, the limiting structure limits the traction rope in the lower forceps heads at the moment, and only regulates the opening and closing angles of the lower forceps heads when the winding wheel is stirred at the moment, and the cutting of tissues with different sizes is realized.
Optionally, the limit structure includes being fixed in the spacing ring on the haulage rope in the lower tweezers head, rotate and elasticity is provided with the gag lever post down on the tweezers head, the end side of gag lever post with the spacing ring offsets tightly, set up the spacing hole that supplies the gag lever post to wear to establish on the gag lever post, upward be equipped with on the tweezers head and support tight piece, be equipped with down on the tweezers head with support tight groove that the traction groove is linked together, works as go up the tweezers head with down the tweezers head is engaged with, support tight piece stretches into support tight inslot to the gag lever post offsets tightly, make the gag lever post just right with the spacing hole.
By adopting the technical scheme, when tissue cutting is performed, when the upper forceps head and the lower forceps head are not completely meshed at the moment, when the reel is rotated, the lower forceps head is pulled by the traction rope to rotate, and the opening of the forceps tip is adjusted at the moment, so that the electric coagulation forceps are adapted; when bipolar coagulation is carried out, when lower tweezers head and last tweezers head are fully meshed at this moment, the tight piece that supports on the tweezers head at this moment inserts to support tightly the gag lever post in the tight groove, and the gag lever post inserts in the spacing hole at this moment, and when rotating the reel at this moment, the gag lever post inserts spacing hole, and when medical personnel rotated the reel at this moment, the spacing ring rotated the regulation under the spacing of gag lever post to the puncture head.
When the puncture head is not required to protrude, the medical staff rotates the reel in the opposite direction at the moment, so that the traction rope on the lower forceps head is loosened at the moment, the inner traction rope of the lower forceps head drives the limiting ring and the traction rope to move in the direction close to the lower forceps head under the action of elastic restoring force, so that the puncture head rotates to be close to the surface of the lower forceps head until the puncture head is flush with the surface of the lower forceps head, until the limiting ring moves to be separated from the limiting rod under the action of the elastic restoring force, the limiting rod rotates to a position where one end of the limiting rod abuts against the end side of the limiting ring under the action of the elastic restoring force, the limiting rod stably abuts against the limiting ring at the moment, and the state of the puncture head is switched when monopolar cutting and bipolar electrocoagulation under different scenes are realized.
In summary, the present application includes at least one of the following beneficial technical effects:
1. Through the arranged monopolar cutter head, the first bipolar and the second bipolar, when in operation, the monopolar cutter head is controlled to be electrified so as to realize rapid cutting of tissues, and the second bipolar is controlled to be electrified so as to realize rapid electrocoagulation of tissue cutting parts;
2. Through the hollow working rod, the adjusting rod and the traction rope, wherein the working rod is arranged in the working rod in a sliding manner, the traction rope penetrates through the adjusting rod, when the opening and closing degree of the forceps tips is required to be adjusted, medical staff drives the lower forceps heads to rotate through adjusting the length of the traction rope, so that the opening and closing degree of the forceps tips is adjusted, and the suitability of the electric coagulation forceps is improved;
3. the puncture head arranged at the lower forceps head is rotated, the puncture head is connected with the traction rope, and a limiting structure is arranged at the lower forceps head, so that the rotation angle of the puncture head can be conveniently adjusted through the traction rope during bipolar electrocoagulation, and the puncture head penetrates into tissues to carry out electrocoagulation on blood vessels of the tissues during double-click electrocoagulation.
Drawings
FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present application;
FIG. 2 is a schematic diagram of the connection structure of embodiment 1 of the present application;
FIG. 3 is a schematic view showing the connection structure of the working rod and the adjusting rod in embodiment 1 of the present application;
Fig. 4 is a schematic diagram of a connection structure of an upper forceps head, a lower forceps head and a puncture head in embodiment 2 of the present application;
FIG. 5 is a schematic view showing the connection structure of the operating handle and the rotating wheel in embodiment 2 of the present application;
FIG. 6 is a schematic view of the cross-sectional structure taken along line A-A in FIG. 5;
Fig. 7 is a schematic diagram of a connection structure of an upper forceps head and a lower forceps head in embodiment 2 of the present application.
Reference numerals: 1. a handle; 11. a working rod; 12. a forceps tip; 121. a forceps head is arranged; 122. a lower forceps head; 123. a monopolar cutter head; 124. a first bipolar; 125. a second bipolar; 126. a receiving groove; 127. a puncture head; 13. a control head; 2.an adjustment assembly; 21. an adjusting rod; 22. an operation handle; 221. a torsion spring; 23. an adjusting member; 231. adjusting the ball head; 232. an operation groove; 24. a rotating member; 241. a rotating wheel; 242. a limiting disc; 243. a limiting block; 244. a limit spring; 3. a traction rope; 31. traction cavity; 32. a reel; 33. a traction groove; 34. a limiting ring; 341. a limiting hole; 35. a limit rod; 351. an adjusting spring; 36. a tightening block; 361. a tightening groove; 4. an adjusting switch; 41. a first contact; 42. a second contact; 43. and (5) a shifting block.
Detailed Description
The application is described in further detail below with reference to fig. 1-7.
Example 1
The embodiment of the application discloses an electric coagulation forceps for an endoscope. Referring to fig. 1 and 2, an electric coagulation forceps for endoscope comprises a handle 1, a working rod 11 connected with the handle 1, and a forceps tip 12 arranged on the end side of the working rod 11 far away from the handle 1, wherein the forceps tip 12 comprises an upper forceps head 121 and a lower forceps head 122 which are connected with each other in a rotating way, an adjusting component 2 for adjusting the opening and closing of the upper forceps head 121 and the lower forceps head 122 is further arranged on the handle 1, one end of the handle 1 is provided with a control head 13, and the control head 13 is connected with a host, so that bipolar energy and monopolar energy compensation are realized through the host.
The forceps tip 12 is integrally made of a stainless steel base material, a monopolar cutter head 123 is fixedly arranged on the upper forceps head 121, the monopolar cutter head 123 is made of carbide or stainless steel, the monopolar cutter head 123 is in insulating connection with the stainless steel base material, one end of the monopolar cutter head 123, which is close to the lower forceps head 122, is sharp, an accommodating groove 126 which is matched with the monopolar cutter head 123 is formed in the lower forceps head 122 and is used for accommodating the monopolar cutter head 123, a first bipolar 124 is arranged on the circumference of the monopolar cutter head 123 on the upper forceps head 121, a second bipolar 125 is fixedly arranged on the lower forceps head 122 on the circumference of the accommodating groove 126, when the upper forceps head 122 is meshed with the lower forceps head 122, the first bipolar 124 corresponds to the second bipolar 125 at the moment, the first bipolar 124 and the second bipolar 125 are both U-shaped, the first bipolar 124 is wound on the circumference of the monopolar cutter head 123, the second bipolar 125 is wound on the circumference of the accommodating groove 126, the first bipolar 124 is made of stainless steel, the second bipolar 125 is made of piezoelectric ceramics, and the first bipolar 124 and the second bipolar 125 are electrically connected with the control head 13.
Simultaneously in order to be convenient for bipolar coagulation to the centre gripping of tissue, avoid the slippage of tissue, still be equipped with the puncture head 127 on the lower tweezers head 122, the puncture head 127 is outstanding to be laid in the surface slope of lower tweezers head 122, and the puncture head 127 is close to the one end of work pole 11 highly be higher than the height of keeping away from work pole 11 one end, thereby when the meshing of tweezers point 12 carries out the centre gripping coagulation to tissue, the difficult slippage of tweezers point 12 of tissue, thereby realize stable coagulation, after the puncture head 127 pierces into the tissue simultaneously, the release of bipolar energy of being convenient for, and then carry out abundant efficient coagulation to the blood vessel in the tissue, promote the electrocoagulation efficiency.
Referring to fig. 2 and 3, the working rod 11 is arranged in a hollow shape, the adjusting assembly 2 comprises an adjusting rod 21 arranged in the working rod 11 in a sliding manner, the adjusting rod 21 slides along the length direction of the working rod 11, one end of the adjusting rod 21 is fixedly connected with a rotating connection position of the upper and lower forceps heads 122, the rotating connection position of the upper and lower forceps heads 122 is movably attached to the inner peripheral wall of the working rod 11, and an adjusting piece 23 for driving the adjusting rod 21 in a sliding manner is further arranged at the handle 1.
The adjusting piece 23 comprises an operating handle 22 which is rotatably arranged on the handle 1, one end of the adjusting rod 21, far away from the forceps tip 12, is fixedly connected with an adjusting ball head 231, an operating groove 232 is formed in the operating handle 22, the forming direction of the operating groove 232 is consistent with the extending direction of the handle 1, the side wall of the operating groove 232, close to the adjusting rod 21, is in an opening shape, the adjusting ball head 231 is slidably arranged in the operating groove 232, the diameter of the adjusting ball head 231 is larger than that of the adjusting rod 21, the opening width of the operating groove 232, close to one end of the adjusting rod 21, is consistent with that of the adjusting rod 21, the inner diameter of the operating groove 232 is consistent with that of the adjusting ball head 231, and torsion springs 221 are arranged at the rotating shafts of the operating handle 22, the upper forceps head 121 and the lower forceps head 122.
It should be noted in advance that, the directions of clockwise, counterclockwise, left and right in this section refer to the directions in fig. 4, and do not limit the application scope of the present application, when the forceps tip 12 needs to be meshed, a technician squeezes the operation handle 22 to rotate the operation handle 22 clockwise, and when the operation handle 22 rotates clockwise, the adjusting ball 231 is driven to move downwards in the operation slot 232, so that the adjusting rod 21 moves in a direction away from the forceps tip 12, and at this time, the connection part of the upper and lower forceps heads 122 moves in a direction away from the forceps tip 12, so as to realize the closing of the upper forceps head 121 and the lower forceps head 122, and further realize cutting and electrocoagulation; after the technician releases the operation handle 22, the operation handle 22 rotates anticlockwise under the action of the elastic restoring force of the torsion spring 221, so that the adjusting ball 231 is driven to move towards the direction close to the forceps tip 12, and at the moment, the forceps tip 12 is automatically opened, so that the next cutting and electrocoagulation operation is facilitated.
Furthermore, due to the influence of the wrist joint of the human body, when the tissue with different angles is electrically coagulated, the rotation angle of the wrist of the human body is limited, and muscle fatigue is easy to generate when a doctor keeps the wrist to bend for a long time, so that the accuracy of the operation is affected by muscle tremble and the like. Therefore, in order to improve the problem, the adjusting lever 21 is rotatably disposed on the working lever 11, the working lever 11 is further provided with a rotating member 24 for rotatably adjusting the adjusting lever 21, the rotating member 24 includes a rotating wheel 241 rotatably disposed on the working lever 11 and the handle 1, the rotating wheel 241 is connected to the adjusting lever 21, and the rotating axis of the rotating wheel 241 is aligned with the length direction of the working lever 11.
And handle 1 is in rotating wheel 241 one side fixedly connected with limiting plate 242 that keeps away from tweezers point 12, limiting plate 242 is discoid, and set up a plurality of spacing grooves on the limiting plate 242, a plurality of spacing grooves are evenly distributed along the circumference direction interval of limiting plate 242, be equipped with stopper 243 in rotating wheel 241, stopper 243 elasticity sets up in rotating wheel 241, the direction of laying of stopper 243 is unanimous with the length direction of work pole 11, the one end activity of stopper 243 inserts in the spacing groove, the one end that the stopper 243 inserted in the spacing groove is the sphere, the outer peripheral wall of stopper 243 offsets tightly with the inside wall of spacing groove, the one end fixedly connected with spacing spring 244 that the stopper 243 kept away from the spacing groove, spacing spring 244 and the inner wall looks fixed connection of rotating wheel 241.
When the tissue with different angles needs to be cut or electrically coagulated, at this time, a technician rotates the rotating wheel 241, the rotating wheel 241 drives the adjusting rod 21 and the working rod 11 to rotate, so that the forceps tip 12 rotates, the tissue cutting and the electrically coagulating with different angles are realized, and due to the plurality of densely arranged limiting grooves, when the technician rotates the rotating wheel 241, the limiting block 243 is inserted into the different limiting grooves to fix the forceps tip 12 angles with different angles, so that the limitation of the tissue of the wrist of the human body is overcome.
The embodiment 1 of the application is implemented by the principle that when the abdominal cavity operation is performed, a doctor firstly stretches an endoscope and a working rod 11 into an operation position, the operation position and the position to be cut and the position to be electrically coagulated are observed through the endoscope, firstly, a technician rotates a rotating wheel 241 to drive an adjusting rod 21 and the working rod 11 to rotate and drive a forceps tip 12 to rotate until the electric coagulation forceps are convenient for the doctor to hold tissues until the forceps tip 12 is convenient for clamping the tissues, then the doctor pinch an operating handle 22, and the operating handle 22 drives the adjusting rod 21 to slide at the moment, so that the upper forceps head 121 and the lower forceps head 122 are meshed, then the host controls the monopolar cutter head 123 or the first bipolar 124 and the second bipolar 125 to electrify, the cutting and the electric coagulation of the tissues are realized, the replacement equipment is not needed, and the time of the middle process of the cutting and the electric coagulation of the tissues is reduced, and the operation efficiency is improved.
Example 2
The difference between the embodiment 2 and the embodiment 1 of the present application is that, referring to fig. 5 and 6, an opening and closing assembly for adjusting the opening and closing degree of the upper forceps head 121 and the lower forceps head 122 is further provided on the handle 1, a traction cavity 31 is provided in the adjusting rod 21, the opening and closing assembly includes a traction rope 3 provided in the traction cavity 31, in the present application, the traction rope 3 is made of medical stainless steel wire, one end of the traction rope 3 is fixedly connected with the adjusting ball 231, the other end of the traction rope 3 is connected with the lower forceps head 122, two groups of traction holes are provided on the outer wall of the adjusting rod 21, the middle part of the traction rope 3 penetrates through the traction holes, the opening and closing assembly includes a reel 32 rotatably provided in the handle 1, the rotation axis of the reel 32 is consistent with the length direction of the working rod 11, the middle part of the traction rope 3 is wound on the reel 32, one end of the traction rope 3 close to the adjusting ball 231 extends from the rotation axis of the reel 32, one end of the traction rope 3 far from the adjusting ball 231 is wound on the axle of the reel 32.
At this time, the outer peripheral side of the reel 32 protrudes from the outer surface of the handle 1, and the reel 32 protrudes from the outer peripheral side of the handle 1 to be serrated, so that the medical staff can conveniently adjust the reel by one hand, meanwhile, the reel 32 keeps the relative position constant relative to the handle 1 because the adjusting rod 21 slides in the working rod 11, in order not to affect normal use, the traction holes on the adjusting rod 21 are formed along the length direction of the adjusting rod 21, and the traction holes formed along the length direction of the adjusting rod 21 are used for giving way to the traction rope 3 when the adjusting rod 21 moves along the length direction of the working rod 11, so that the rotation of the adjusting rod 21 is not easy to interfere.
Because the puncture head 127 is required to puncture the tissue during the electric coagulation, and when the tissue is cut, if the puncture head 127 is in the tissue, the separation is easy to generate, the puncture head 127 is required to be kept flush with the lower forceps head 122 during the tissue cutting, and the puncture head 127 is kept protruding during the electric coagulation, in order to solve the problem, the puncture head 127 is rotatably arranged on the lower forceps head 122, the lower forceps head 122 is internally provided with the traction groove 33, one end of the traction rope 3 stretches into the traction groove 33 to be connected with the side wall of the traction groove 33 away from the handle 1, the part of the traction rope 3 positioned in the traction groove 33 is connected with the puncture head 127, and when the upper forceps head 121 is not completely meshed with the lower forceps head 122, the lower forceps head 122 is also provided with a limiting structure for limiting the traction rope 3 in the lower forceps head 122.
The limit structure comprises a limit ring 34 fixed on the traction rope 3 and positioned in the lower forceps head 122, a limit rod 35 is rotationally connected in the traction groove 33, the rotation axis of the limit rod 35 is perpendicular to the extending direction of the lower forceps head 122, a limit hole 341 is formed in the limit ring 34, the limit rod 35 is movably abutted against the side wall of the limit ring 34, the limit hole 341 is movably corresponding to the limit rod 35, the limit rod 35 is elastically arranged in the traction groove 33, an adjusting spring 351 is fixedly connected between one end, far away from the handle 1, of the traction rope 3 and the inner side wall of the traction groove 33, and the limit structure further comprises a limit piece for adjusting the limit rod 35 to enable the limit rod 35 to correspond to the limit hole 341 and enable the limit rod 35 to be abutted against the limit ring 34.
Furthermore, in the use process, when the upper forceps head 121 is not meshed with the lower forceps head 122, when the medical staff rotates the reel 32, only the opening and closing angle between the upper forceps head 121 and the lower forceps head 122 is adjusted, so that monopolar cutting is realized, when the upper forceps head 121 is meshed with the lower forceps head 122, the position of the limiting rod 35 is adjusted by the limiting piece, the limiting rod 35 corresponds to the limiting hole 341, and when the reel 32 is continuously rotated, the limiting ring 34 is pulled by the traction rope 3 to move, so that the puncture head 127 rotates, and the puncture head 127 punctures tissues to accelerate electrocoagulation.
The limiting piece comprises a propping block 36 fixed on one side of the upper forceps head 121, which is close to the lower forceps head 122, the lower forceps head 122 is provided with a propping groove 361 communicated with the traction groove 33, the propping block 36 is movably inserted into the propping groove 361 to prop up the limiting rod 35, the limiting rod 35 rotates to a position corresponding to a limiting hole 341 of the limiting ring 34 under the action of elastic compression force, and at the moment, the traction rope 3 pulls and rotates the puncture head 127; when tissue cutting is needed again after the electrocoagulation is finished, at the moment, the medical staff rotates the reel 32, and the traction rope 3 moves towards the end side far away from the handle 1 under the action of the adjusting spring 351 until the limiting ring 34 moves to a position separated from the limiting rod 35; it should be noted that, the elastic coefficient of the adjusting spring 351 at the forceps tip 12 is larger than that of the limiting spring 244.
In the process from monopolar cutting to bipolar coagulation, the device is typically replaced, and the monopolar power supply and the bipolar power supply are switched by the main machine, when the single bipolar is combined and the single bipolar is switched from the single-pole cutting to the bipolar coagulation, the operation of the main machine is still needed to be carried out independently, extra medical staff is needed to operate the main machine, the operation efficiency is affected, therefore, the handle 1 is also rotatably connected with an adjusting switch 4, the rotating shaft of the adjusting switch 4 is consistent with the rotating shaft of the reel 32, and the regulating switch 4 and the handle 1 are internally provided with lamp springs (not shown in the figure), the regulating switch 4 is fixed with a first contact 41 and a second contact 42 on two opposite sides of the rotating shaft of the regulating switch, the handle 1 is internally provided with a wiring seat which is communicated with the control head 13, the first contact 41 is communicated with the power line of the monopolar bit 123, the second contact 42 is connected with the power lines of the first bipolar 124 and the second bipolar 125, when the first contact 41 is rotated to engage the wire holder, the monopolar bit 123 is energized, when the second contact 42 is rotated into engagement with the wire holder, the first and second bipolar electrodes 124 and 125 are energized, and a shifting block 43 is fixedly connected on the rotating shaft of the reel 32, the shifting block 43 is movably attached to the regulating switch 4, when the reel 32 rotates, the shifting block 43 rotates and regulates the regulating switch 4, thereby realizing the contact and communication between the first contact 41/the second contact 42 and the wire holder, and keeping the contact between the first contact 41/the second contact 42 and the wire holder under the action of the lamp spring, thereby realizing stable monopolar cutting/bipolar electrocoagulation, when a doctor performs operation, single-hand operation is realized, and meanwhile, the doctor can switch monopolar cutting and bipolar electrocoagulation independently.
The embodiment of the application discloses an electric coagulation forceps for an endoscope, which comprises the following implementation principles: when tissue cutting is performed, firstly, a doctor rotates the reel 32 to enable the poking block 43 to poke the adjusting switch 4 to enable the first contact 41 to be communicated with the wire holder, at the moment, when the upper forceps head 121 and the lower forceps head 122 are not completely meshed, when the reel 32 is rotated, the traction rope 3 pulls the lower forceps head 122 to rotate, at the moment, the opening of the forceps tip 12 is adjusted, and therefore the adaptation of the electric coagulation forceps is achieved; continuing to pinch the operating handle 22 to realize monopolar cutting of the tissue;
When bipolar coagulation is performed, at this time, when the lower forceps head 122 is completely meshed with the upper forceps head 121, at this time, the abutting block 36 on the upper forceps head 121 is inserted into the abutting groove 361 to abut against the limiting rod 35, at this time, the limiting rod 35 is inserted into the limiting hole 341, at this time, when the reel 32 is rotated by a medical staff, the limiting ring 34 rotates and adjusts the puncture head 127 under the limit of the limiting rod 35.
When the puncture head 127 does not need to protrude, the medical staff rotates the reel 32 in the opposite direction at this moment, thereby loosening the hauling rope 3 on the lower forceps head 122 at this moment, the inner hauling rope 3 of the lower forceps head 122 at this moment drives the limiting ring 34 and the hauling rope 3 to move in the direction close to the lower forceps head 122 under the action of elastic restoring force, thereby enabling the puncture head 127 to rotate to be close to the surface of the lower forceps head 122 until the puncture head 127 is flush with the surface of the lower forceps head 122, until the limiting ring 34 moves to be separated from the limiting rod 35 under the action of elastic restoring force, at this moment, the limiting rod 35 rotates to a position where one end of the limiting rod 35 abuts against the end side of the limiting ring 34 under the action of elastic restoring force, at this moment, the limiting rod 35 realizes stable abutting against the limiting ring 34, and when the monopolar cutting and bipolar electric coagulation under different scenes are realized, the state of the puncture head 127 is switched.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. An electric coagulation forceps for an endoscope, which is characterized in that: comprises a handle (1), a working rod (11) arranged at the front end of the handle (1), forceps tips (12) arranged at the front end of the working rod (11) in an opening and closing manner, and an adjusting assembly (2) for adjusting the opening and closing of the forceps tips (12);
The forceps tip (12) comprises an upper forceps head (121) and a lower forceps head (122) which are connected with each other in a rotating way, the upper forceps head (121) is provided with a monopolar cutter head (123), the monopolar cutter head (123) protrudes out of the surface of the upper forceps head (121), the lower forceps head (122) is provided with a containing groove (126) for containing the monopolar cutter head (123), the upper forceps head (121) is provided with a first bipolar (124) at the peripheral side of the monopolar cutter head (123), the first bipolar (124) is arranged around the monopolar cutter head (123), the lower forceps head (122) is provided with a second bipolar (125) at the peripheral side of the containing groove (126), the second bipolar (125) is arranged around the containing groove (126), the lower forceps head (122) is provided with a puncture head (127) at the peripheral side of the containing groove (126), the puncture head (127) is arranged along the extending direction of the lower forceps head (122), the first bipolar (124) is arranged around the barb direction, the second bipolar cutter head (124) is connected with the second bipolar electric power-off connector (124) correspondingly to the second bipolar electric power-off connector (124) and the first bipolar electric power connector (124) is arranged at the second bipolar power connector (1), the host machine is used for controlling the monopolar tool bit (123) or the first bipolar electrode (124) and the second bipolar electrode (125) to conduct power on and off;
A traction rope (3) is arranged in the working rod (11) in a penetrating manner, one end of the traction rope (3) is connected with the lower forceps head (122), one end, which is far away from the end, connected with the lower forceps head (122), of the traction rope (3) is connected with the handle (1), the lower forceps head (122) is rotationally and slidingly arranged on the working rod (11), and a length piece for adjusting the length of the traction rope (3) is further arranged on the middle part of the traction rope (3) of the handle (1);
The length piece comprises a reel (32) rotatably arranged in the handle (1), the traction rope (3) is wound on the reel (32), and the handle (1) is also provided with an operation piece for rotatably adjusting the reel (32);
the puncture head (127) is rotatably arranged on the lower forceps head (122), and a movable structure for enabling the traction rope (3) to adjust the puncture head (127) is further arranged on the lower forceps head (122);
The movable structure comprises a traction groove (33) arranged on the lower forceps head (122), the traction rope (3) penetrates through the traction groove (33) to be arranged, one end of the traction rope (3) penetrates into the lower forceps head (122) and is elastically arranged on the inner bottom wall of the traction groove (33), the traction rope (3) is connected with one ends of the plurality of puncture heads (127) positioned in the lower forceps head (122), and when the upper forceps head (121) is not completely meshed with the lower forceps head (122), a limiting structure for limiting the traction rope (3) in the lower forceps head (122) is further arranged on the lower forceps head (122);
the limiting structure comprises a limiting ring (34) fixed on a traction rope (3) in a lower forceps head (122), the lower forceps head (122) rotates and is elastically provided with a limiting rod (35), the end side of the limiting rod (35) is abutted against the limiting ring (34), a limiting hole (341) for the limiting rod (35) to penetrate is formed in the limiting ring (34), an abutting block (36) is arranged on an upper forceps head (121), an abutting groove (361) communicated with the traction groove (33) is formed in the lower forceps head (122), and when the upper forceps head (121) is meshed with the lower forceps head (122), the abutting block (36) stretches into the abutting groove (361) to abut against the limiting rod (35) so that the limiting rod (35) is opposite to the limiting hole (341).
2. An electric coagulation forceps for an endoscope according to claim 1, wherein: the utility model discloses a handle, including work bar (11), work bar (11) are cavity form and lay, adjusting part (2) including slide set up in regulation pole (21) in work bar (11), go up tweezers head (121) with lower tweezers head (122) rotate junction with regulation pole (21) are kept away from one end of handle (1) is connected, handle (1) department still is equipped with right regulation piece (23) that regulation pole (21) carried out the slip and adjusted.
3. An electric coagulation forceps for an endoscope according to claim 2, wherein: the utility model discloses a tweezers tip (12) of adjusting piece, including locating adjust pole (21) is kept away from regulation bulb (231) of tweezers tip (12) one end, handle (1) department rotates and is connected with handle (22), operating groove (232) have been seted up on handle (22), adjust bulb (231) slide set up in operating groove (232), tweezers tip (12) rotate set up in on working lever (11), still be equipped with on working lever (11) pair of tweezers tip (12) rotate and adjust rotating piece (24).
4. An electric coagulation forceps for an endoscope according to claim 3, wherein: the working rod (11) is rotatably arranged on the handle (1), the rotating piece (24) comprises a rotating wheel (241) which is rotatably arranged on the handle (1), and the rotating wheel (241) is sleeved on the peripheral wall of the working rod (11) and is fixed with the working rod (11).
5. An electric coagulation forceps for an endoscope as set forth in claim 4, wherein: be equipped with spacing dish (242) on handle (1), elasticity is provided with stopper (243) on rotating wheel (241), a plurality of spacing grooves have evenly been seted up to spacing dish (242) along its radial direction upper interval, stopper (243) activity inserts in the spacing groove, just stopper (243) are close to the end side of spacing groove is the sphere form, the end side of stopper (243) with the activity is supported tightly on the inside wall of spacing groove.
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