CN111904591B - Multifunctional scalpel for digestive endoscopy ERCP operation - Google Patents

Multifunctional scalpel for digestive endoscopy ERCP operation Download PDF

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Publication number
CN111904591B
CN111904591B CN202010934894.7A CN202010934894A CN111904591B CN 111904591 B CN111904591 B CN 111904591B CN 202010934894 A CN202010934894 A CN 202010934894A CN 111904591 B CN111904591 B CN 111904591B
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China
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insulating tube
movable
electrode
fixed
convex
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CN202010934894.7A
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CN111904591A (en
Inventor
张筱凤
马文聪
楼奇峰
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Hangzhou First Peoples Hospital
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Hangzhou First Peoples Hospital
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B18/1477Needle-like probes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06Measuring instruments not otherwise provided for
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00482Digestive system
    • A61B2018/00494Stomach, intestines or bowel
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00529Liver
    • A61B2018/00535Biliary tract
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1425Needle
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1467Probes or electrodes therefor using more than two electrodes on a single probe

Abstract

The invention discloses a multifunctional scalpel for a digestive endoscopy ERCP (endoscopic retrograde cholangiopancreatography) operation, which belongs to the field of endoscopic electrosurgical scalpels and comprises a scalpel body, an insulating tube and an electrode body; the cutter body includes the operation portion of deciding with insulating tube fixed connection, cup joint in deciding the operation portion outside and along its length direction gliding first activity operation portion and second activity operation portion, second activity operation portion is located between first activity operation portion and the insulating tube, combine needle head electrotome and conventional incision sword among the prior art, make and have the needle sword simultaneously and open with conventional the function, the direction that conventional was opened has forward incision and reverse incision function, the needle sword is opened and conventional incision and switch over at will and need not to change whole electrotome, can reverse incision during conventional incision, the duodenum papilla that is favorable to patient of diversion after the gastrointestinal surgery is opened, operation speed has been improved greatly, the operating time has also been shortened greatly, it is long when patient's misery because of the operation has been reduced.

Description

Multifunctional scalpel for digestive endoscopy ERCP operation
Technical Field
The invention relates to the field of endoscopic surgical electrotomes, in particular to a multifunctional scalpel for digestive endoscopic ERCP (endoscopic surgical knife surgery).
Background
With the continuous development of the medical and health industry, the informatization degree of hospitals is gradually improved, the medical system is gradually perfected, and various digital applications based on the hospital information system are more and more extensive.
At present, the most adopted in gastroenteroscopic departments is the conventional incision electric scalpel, in the operation, through doctor's operation, make the internal operation end electrode of patient be the arc and expose, thereby to the electrode circular telegram, utilize the arc portion of exposing to carry out the electrotomy operation, in addition, sometimes still need adopt needle electric scalpel to break open to the duodenal papilla, the former is the line excision, the latter point excision, through the mode of passing through high frequency high voltage electricity to the electrode in the electric scalpel during the use, carry out the electric excision, however, two kinds of electric scalpels exist independently usually, after needle head electric scalpel breaks open the nipple, just need change when adopting conventional incision operation electric scalpel excision again, it is more troublesome, manufacturing cost has still been improved greatly.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a multifunctional scalpel for an ERCP (endoscopic retrograde cholangiopancreatography) operation, which can combine a needle head electrotome and a conventional incision knife in the prior art, so that the scalpel has the functions of needle knife incision and conventional incision at the same time, the needle knife incision and the conventional incision are randomly switched without replacing the whole electrotome, the operation speed is greatly improved, and the pain and the time of a patient caused by the operation are reduced; the arrangement of the first protruding part and the second protruding part enables the conventional incision to be carried out in two opposite directions, and a doctor selects the incision direction according to the requirement, so that the operation time is further shortened; any one of the conventional incision modes can be performed simultaneously with the incision of the needle knife, so that the flexibility is higher, and the operation speed is improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The multifunctional scalpel for the digestive endoscopy ERCP operation comprises a scalpel body, an insulating tube and an electrode body;
the cutter body comprises a fixed operation part fixedly connected with the insulating tube, a first movable operation part and a second movable operation part, wherein the first movable operation part and the second movable operation part are sleeved outside the fixed operation part and slide along the length direction of the fixed operation part;
the electrode body comprises a first electrode and a second electrode, the first electrode and the second electrode are both positioned in the insulating tube, the first electrode is connected with the first movable operation part, the second electrode is connected with the second movable operation part, and one ends of the first electrode and the second electrode, which are far away from the cutter body, are respectively a convex operation part and a needle-shaped operation part;
when the first movable operating part slides up and down along the length direction of the fixed operating part, the convex operating part and the outer wall of the insulating tube form a first convex part and a second convex part which are opposite in direction respectively;
when the second movable operating part moves upwards along the length direction of the fixed operating part, the needle-shaped operating part extends out of the port of the insulating tube;
the external end of the insulating tube is fixedly sleeved with a contrast part, and the contrast part is communicated with the inside of the insulating tube and used for injecting contrast agent.
Furthermore, decide the operation portion and be the prolate rod body structure that the tip has first hole of gripping, first hole of gripping is located the one side that second activity operation portion was kept away from to first activity operation portion, and the doctor of conveniently taking is held in first hole of gripping.
Furthermore, decide operation portion including cut on it with the glide slope that first activity operation portion corresponds, with the last slide that second activity operation portion corresponds and two intercommunication ways that are used for communicating glide slope and last slide, last slide and insulating tube.
Furthermore, the first movable operation part comprises an operation block, a first through hole, a first sliding block, a first power-on joint and a pair of second holding holes, wherein the first through hole is formed in the middle of the operation block and matched with the fixed operation part, the first sliding block is fixed with the first electrode, the first power-on joint is positioned on the outer side of the operation block, the pair of second holding holes are formed in two sides of the operation block, the pair of second holding holes are symmetrically distributed in two sides of the first through hole, the pair of second holding holes and the first holding holes are distributed in an isosceles triangle structure, the first sliding block is fixed between two opposite inner walls of the first through hole, the first sliding block is inserted into the lower slideway and limited in the moving range, the first power-on joint is fixed at the outer end of the operation block and penetrates through the operation block to be connected with the first sliding block, and the first electrode obtains an external power supply through the first sliding block and the first power-on joint.
Further, the second activity operation portion includes the movable block, cut on the movable block and with decide the second through-hole that the operation portion matches, with the second sliding block of second electrode fixed and be fixed in the second switch of movable block outer end and connect, second sliding block fixed connection is between the double-phase internal wall of second through-hole, the second switch run through the movable block and with second sliding block fixed connection, the second electrode passes through the second sliding block and the second switch obtains external power source, the second sliding block is inserted and is established in last slide, by last slide restriction removal range, cut on the second sliding block and supply the through-hole that first electrode passed.
Furthermore, the contrast part comprises a contrast block fixed with the fixed operation part, and a contrast agent hole and a guide wire hole which are formed in the contrast block, the contrast agent hole and the guide wire hole are communicated with the insulating tube and the outside, so that a contrast agent can be conveniently injected into the insulating tube through the contrast agent hole, and a guide wire can be conveniently inserted into the guide wire hole in an operation.
Furthermore, the convex operation part is spirally arranged at the outer end of the insulating tube, and two ends of the convex operation part penetrate through the outer wall of the insulating tube, so that a first penetrating point and a second penetrating point are respectively formed between the convex operation part and the outer wall of the insulating tube, the needle-shaped operation part is positioned in the middle of the convex operation part, an adhesive tape is bonded at the outer end of the insulating tube, and one end, close to the first penetrating point, of the convex operation part is fixed with the insulating tube through the adhesive tape.
Further, the number of spiral turns of the convex operation part on the outer wall of the insulating pipe is 1.
Furthermore, one end of the convex operating part, which is close to the first through point, is fixedly connected with a sleeve, the sleeve is used for preventing the convex operating part from being separated from the first through point, and the needle-shaped operating part is arranged in the sleeve.
Furthermore, the surface of deciding the operation portion is equipped with the instruction scale mark, and instructs the scale mark to be located first activity operation portion department, instructs the scale mark and is convenient for the doctor to know the shape of convex operation portion, has carried out the thickening on the middle line of instructing the scale mark, is convenient for know fast that convex operation portion is in not work at this moment and does not bulge the state.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
the utility model provides a, this operation electrotome, the needle head electrotome among the prior art combines with conventional incision sword for have the needle sword simultaneously and open and the function is cut with the conventional, the needle sword is opened and is cut the function with the conventional and switch over at will and need not to change whole electrotome, improved operation speed greatly, it is long when having reduced patient's misery because of the operation brings, and greatly reduced manufacturing cost.
The arrangement of the first projecting part and the second projecting part of the electric scalpel enables the conventional incision to be performed in the opposite direction, thereby being beneficial to the incision of the duodenal papilla of a patient with a gastrointestinal operation on which the gastrointestinal operation is performed, further shortening the operation time and improving the operation efficiency.
Third, this surgical electric knife, arbitrary one in the power mode is cut to the conventionality can carry out with the needle sword is cut simultaneously, and the flexibility is higher, improves the operation speed.
Fourth, this operation electrotome installs the radiography part on the electrotome, is convenient for inject the contrast medium to patient's internal in the operation process, and the reinforcing image observation effect makes when doctor looks over more clear.
And fifthly, the electric scalpel is provided with a sleeve for limiting the convex operating part to be separated from the first through point, namely limiting the end point of one side of the convex operating part, which is far away from the scalpel body, in the insulating tube.
Sixth, this surgical electrotome, the setting of deciding the operation portion surface and instructing the scale mark, the doctor of being convenient for removes first activity operation portion according to instructing the scale mark.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural diagram of the front side of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 at B;
FIG. 5 is a schematic view of the structure of FIG. 4 at C;
FIG. 6 is a schematic diagram of the structure of the present invention at the position of the indication scale mark;
fig. 7 is a schematic structural view of the convex operating portion 31a of the present invention when it is attached to the insulating tube 2;
fig. 8 is a schematic structural view of the convex operation portion 31a of the present invention when it is not attached to the insulating tube 2 to form a first protrusion;
fig. 9 is a schematic view showing the structure of the needle-shaped operating part 32a according to the present invention when the end thereof is protruded from the inside of the insulating tube 2.
The reference numbers in the figures illustrate:
1, a cutter body;
an operation part 11, a first holding hole 111, a lower slide rail 112, an upper slide rail 113 and a communicating channel 114 are fixed;
12 a first movable operation part, a 121 operation block, a 122 second holding hole, a 123 first power-on joint and a 124 first sliding block;
13 a second movable operation part, a 131 movable block, a 132 second through-contact joint and a 133 second sliding block;
14 indicates a scale line;
2 insulating tube, 21 tape;
3 electrode body, 31 first electrode, 31a convex operation part, 31a1 first penetrating point, 31a2 second penetrating point, 31a3 sleeve, 32 second electrode, 32a needle operation part;
4 contrast member, 41 contrast block, 42 contrast agent hole, 43 guide wire hole.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
Example 1:
referring to fig. 1-9, the multifunctional scalpel for digestive endoscopy ERCP surgery comprises a scalpel body 1, an insulating tube 2 and an electrode body 3; except that the first electrode 31, the second electrode 32, the second through connector 132, the second sliding block 133, the first through connector 123 and the first sliding block 124 have a conductive function, the other parts are made of insulating materials so as to prevent electric leakage and harm to patients and doctors.
The cutter body 1 comprises a fixed operation part 11 fixedly connected with the insulating tube 2, a first movable operation part 12 and a second movable operation part 13 which are sleeved outside the fixed operation part 11 and slide along the length direction of the fixed operation part, and the second movable operation part 13 is positioned between the first movable operation part 12 and the insulating tube 2; the electrode body 3 comprises a first electrode 31 and a second electrode 32, the first electrode 31 and the second electrode 32 are both positioned inside the insulating tube 2, the first electrode 31 is connected with the first movable operating part 12, the second electrode 32 is connected with the second movable operating part 13, and the ends of the first electrode 31 and the second electrode 32, which are far away from the cutter body 1, are respectively a convex operating part 31a and a needle-shaped operating part 32 a; when the first movable operating part 12 slides up and down along the length direction of the fixed operating part 11, the convex operating part 31a and the outer wall of the insulating tube 2 form a first convex part and a second convex part with opposite directions respectively; when the second movable operating part 13 is moved upward along the length direction of the fixed operating part 11, the needle-shaped operating part 32a protrudes from the port of the insulating tube 2; the outer end of the insulating tube 2 is fixedly sleeved with a contrast part 4, and the contrast part 4 is communicated with the inside of the insulating tube 2 and used for injecting contrast agent.
Referring to fig. 1, the fixed operation portion 11 is a flat bar structure with a first holding hole 111 at an end portion, the first holding hole 111 is located at a side of the first movable operation portion 12 away from the second movable operation portion 13, and the first holding hole 111 is convenient for a doctor to take.
Referring to fig. 3, the fixed operation portion 11 includes a lower chute 112 cut thereon corresponding to the first movable operation portion 12, an upper chute 113 corresponding to the second movable operation portion 13, and two communication ducts 114 for communicating the lower chute 112 and the upper chute 113, and the insulating tube 2.
Referring to fig. 3, the first movable operating portion 12 includes an operating block 121, a first through hole drilled in the middle of the operating block 121 and matched with the fixed operating portion 11, a first sliding block 124 fixed to the first electrode 31, a first power connector 123 located outside the operating block 121, and a pair of second holding holes 122 drilled in the operating block 121, the pair of second holding holes 122 are symmetrically distributed on both sides of the first through hole, the pair of second holding holes 122 and the first holding hole 111 are distributed in an isosceles triangle configuration, the first sliding block 124 is fixed between two opposite inner walls of the first through hole, the first sliding block 124 is inserted into the lower sliding rail 112 and limited in moving range by the lower sliding rail 112, the first power connector 123 is fixed to the outer end 121 of the operating block and connected to the first sliding block 124 through the operating block 121, and the first electrode 31 obtains an external power source through the first sliding block 124 and the first power connector 123.
Referring to fig. 3, the second movable operating portion 13 includes a movable block 131, a second through hole cut in the movable block 131 and matched with the fixed operating portion 11, a second sliding block 133 fixed to the second electrode 32, and a second electrical connector 132 fixed to an outer end of the movable block 131, the second sliding block 133 is fixedly connected between two opposite inner walls of the second through hole, the second electrical connector 132 penetrates through the movable block 131 and is fixedly connected to the second sliding block 133, the second electrode 32 obtains external power through the second sliding block 133 and the second electrical connector 132, the second sliding block 133 is inserted into the upper slide 113, a moving range of the upper slide 113 is limited by the upper slide 113, and a through hole through which the first electrode 31 passes is cut in the second sliding block 133.
Referring to fig. 3, the contrast member 4 includes a contrast block 41 fixed to the fixed operation portion 11, and a contrast agent hole 42 and a guide wire hole 43 cut in the contrast block 41, the contrast agent hole 42 and the guide wire hole 43 communicate the insulating tube 2 with the outside to facilitate injection of a contrast agent into the insulating tube 2 through the contrast agent hole 42, and the guide wire hole 43 facilitates insertion of an auxiliary guide wire during an operation.
Referring to fig. 4-5, the convex operation portion 31a is spirally disposed at the outer end of the insulating tube 2, and both ends thereof penetrate through the outer wall of the insulating tube 2, so as to form a first penetrating point 31a1 and a second penetrating point 31a2 with the outer wall of the insulating tube 2, the needle operation portion 32a is located at the middle position of the convex operation portion 31a, an adhesive tape 21 is adhered to the outer end of the insulating tube 2, and the adhesive tape 21 fixes one end of the convex operation portion 31a close to the first penetrating point 31a1 with the insulating tube 2; the number of spiral turns of the convex operating part 31a on the outer wall of the insulating tube 2 is 1 turn; a sleeve 31a3 is fixedly connected to one end of the convex operating part 31a close to the first penetrating point 31a1, the sleeve 31a3 is used for preventing the convex operating part 31a from being pulled out from the first penetrating point 31a1, the needle operating part 32a is arranged inside the sleeve 31a3 and slides relative to the sleeve 31a3, the inner diameter of the insulating tube 2 close to the sleeve 31a3 is gradually reduced along the side far away from the cutter body 1, and the outer diameter of the sleeve 31a3 is gradually changed to match the inner diameter of the insulating tube 2, so that the sleeve 31a3 cannot easily go out from the port of the insulating tube 2.
Referring to fig. 6, the indication scale marks 14 are provided on the surface of the fixed operation portion 11, the indication scale marks 14 are located at the first movable operation portion 12, the indication scale marks 14 facilitate the doctor to know the shape of the convex operation portion 31a, the middle line of the indication scale marks 14 is thickened, when the upper end of the first movable operation portion 12 moves to the middle line, the convex operation portion 31a is just in the state of being attached to the insulating tube 2, and in order to enable the doctor to quickly know that the convex operation portion 31a is in the non-working and non-convex state at this time.
When the surgical instrument is not in a working state, please refer to fig. 7, the convex operation part 31a is attached to the insulating tube 2, when the surgical instrument works, the first movable operation part 12 is moved upwards, please refer to fig. 4, the convex operation part 31a is bent to form a second convex part with the insulating tube 2, the second convex part is connected with an external power supply through the first power connector 123, high-frequency high-voltage electricity can be introduced into the convex operation part 31a, and the exposed part of the convex operation part is aligned to a to-be-operated part in a patient, namely the second convex part is aligned to the to-be-operated part in the patient, so that the surgical instrument is powered on for operation; moving the first movable operating part 12 downwards, please refer to fig. 8, the convex operating part 31a is straightened to force the insulating tube 2 parallel to the convex operating part 31a to twist and bend, so that the convex operating part 31a and the insulating tube 2 are not attached to form a first protruding part, similarly, the first movable operating part can be connected with an external power supply through the first power connector 123, high frequency and high voltage are introduced, the first protruding part is used for performing an operation, when the first movable operating part 12 is moved upwards or downwards, the directions of the first protruding part and the second protruding part are opposite, so that the requirements of a doctor in the operation can be effectively met, the operation speed is accelerated, and the pain of a patient is effectively relieved; when the second movable operation part 13 is moved upward, the end of the needle operation part 32a is protruded from the insulating tube 2, referring to fig. 9, the second switch 132 is connected to the external high frequency and high voltage electricity to energize the needle operation part 32a, and the needle operation part 32a is used to perform a duodenal papillary incision operation; the use of the needle-shaped operating part 32a and one of the two above-described protrusion cutting methods can be simultaneously performed, and the two operating parts are simultaneously operated, thereby greatly improving the operation speed.
In general, the needle-shaped operating part 32a is exposed as shown in fig. 9, to facilitate the operation of the duodenal papilla; the first protrusion is formed as shown in fig. 8 to facilitate the opening of the common bile duct, but for some patients who have previously performed such a surgery, it is more convenient to open the opening of the common bile duct by forming the second protrusion as shown in fig. 4, and thus, there are three cases in which the doctor can switch the presentation form of the surgical electrotome as needed to perform the surgery.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims (6)

1. The multifunctional scalpel for the digestive endoscopy ERCP operation is characterized in that:
comprises a cutter body (1), an insulating tube (2) and an electrode body (3);
the cutter body (1) comprises a fixed operation part (11) fixedly connected with the insulating tube (2), a first movable operation part (12) and a second movable operation part (13) which are sleeved outside the fixed operation part (11) and slide along the length direction of the fixed operation part, wherein the second movable operation part (13) is positioned between the first movable operation part (12) and the insulating tube (2);
the electrode body (3) comprises a first electrode (31) and a second electrode (32), the first electrode (31) and the second electrode (32) are both positioned inside the insulating tube (2), the first electrode (31) is connected with the first movable operating part (12), the second electrode (32) is connected with the second movable operating part (13), and one ends, far away from the cutter body (1), of the first electrode (31) and the second electrode (32) are respectively a convex operating part (31 a) and a needle-shaped operating part (32 a);
when the first movable operating part (12) slides up and down along the length direction of the fixed operating part (11), the convex operating part (31 a) and the outer wall of the insulating tube (2) form a first convex part and a second convex part in opposite directions respectively;
when the second movable operating part (13) moves upwards along the length direction of the fixed operating part (11), the needle-shaped operating part (32 a) extends out of the port of the insulating tube (2);
the outer end of the insulating tube (2) is fixedly sleeved with a contrast part (4), and the contrast part (4) is communicated with the inside of the insulating tube (2) and used for injecting contrast agent;
the fixed operation part (11) comprises a lower slideway (112) corresponding to the first movable operation part (12) and an upper slideway (113) corresponding to the second movable operation part (13) which are dug on the fixed operation part, and two communication channels (114) for communicating the lower slideway (112) with the upper slideway (113), the upper slideway (113) and the insulating pipe (2);
the first movable operation part (12) comprises an operation block (121), a first through hole which is formed in the middle of the operation block (121) and matched with the fixed operation part (11), a first sliding block (124) fixed with the first electrode (31), a first electric joint (123) located on the outer side of the operation block (121) and a pair of second holding holes (122) formed in the operation block (121), the pair of second holding holes (122) are symmetrically distributed on two sides of the first through hole, the first sliding block (124) is fixed between two opposite inner walls of the first through hole, the first sliding block (124) is inserted into the lower slideway (112), the first electric joint (123) is fixed on the outer end of the operation block (121) and penetrates through the operation block (121) to be connected with the first sliding block (124), and the first electrode (31) obtains an external power supply through the first sliding block (124) and the first electric joint (123);
the second movable operation part (13) comprises a movable block (131), a second through hole which is drilled in the movable block (131) and matched with the fixed operation part (11), a second sliding block (133) fixed with a second electrode (32) and a second through connector (132) fixed at the outer end of the movable block (131), the second sliding block (133) is fixedly connected between two opposite inner walls of the second through hole, the second through connector (132) penetrates through the movable block (131) and is fixedly connected with the second sliding block (133), the second electrode (32) obtains an external power supply through the second sliding block (133) and the second through connector (132), the second sliding block (133) is inserted into the upper slide rail (113), and a through hole for the first electrode (31) to pass through is drilled in the second sliding block (133);
the convex operating part (31 a) is spirally arranged at the outer end of the insulating tube (2), two ends of the convex operating part penetrate through the outer wall of the insulating tube (2), so that a first penetrating point (31 a 1) and a second penetrating point (31 a 2) are respectively formed between the convex operating part and the outer wall of the insulating tube (2), the needle-shaped operating part (32 a) is located at the middle position of the convex operating part (31 a), an adhesive tape (21) is bonded at the outer end of the insulating tube (2), and one end, close to the first penetrating point (31 a 1), of the convex operating part (31 a) is fixed with the insulating tube (2) by the adhesive tape (21).
2. The multifunctional scalpel for digestive endoscopy ERCP surgery of claim 1, wherein: the fixed operation part (11) is of a flat and long rod body structure, the end part of the flat and long rod body structure is provided with a first holding hole (111), and the first holding hole (111) is positioned on one side, away from the second movable operation part (13), of the first movable operation part (12).
3. The multifunctional scalpel for digestive endoscopy ERCP surgery of claim 1, wherein: the contrast part (4) comprises a contrast block (41) fixed with the fixed operation part (11), and a contrast agent hole (42) and a guide wire hole (43) which are formed in the contrast block (41), wherein the contrast agent hole (42) and the guide wire hole (43) are communicated with the insulating tube (2) and the outside.
4. The multifunctional scalpel for digestive endoscopy ERCP surgery of claim 1, wherein: the number of spiral turns of the convex operation part (31 a) on the outer wall of the insulating pipe (2) is 1.
5. The multifunctional scalpel for digestive endoscopy ERCP surgery of claim 1, wherein: one end of the convex operating part (31 a) close to the first penetrating point (31 a 1) is fixedly connected with a sleeve (31 a 3), the sleeve (31 a 3) is used for preventing the convex operating part (31 a) from being separated from the first penetrating point (31 a 1), and the needle-shaped operating part (32 a) is arranged inside the sleeve (31 a 3).
6. The multifunctional scalpel for digestive endoscopy ERCP surgery of claim 1, wherein: an indication scale mark (14) is arranged on the surface of the fixed operation part (11), and the indication scale mark (14) is positioned at the first movable operation part (12).
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5868698A (en) * 1994-05-13 1999-02-09 Boston Scientific Corporation Apparatus for performing diagnostic and therapeutic modalities in the biliary tree
CN205697995U (en) * 2016-04-06 2016-11-23 杭州安杰思医学科技有限公司 Bipolar incision knife
CN107773302A (en) * 2013-03-14 2018-03-09 斯波瑞申有限公司 Flexible radio frequency ablation needle
CN209136855U (en) * 2017-12-30 2019-07-23 杭州安杰思医学科技有限公司 A kind of controllable high frequency incision knife

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5868698A (en) * 1994-05-13 1999-02-09 Boston Scientific Corporation Apparatus for performing diagnostic and therapeutic modalities in the biliary tree
CN107773302A (en) * 2013-03-14 2018-03-09 斯波瑞申有限公司 Flexible radio frequency ablation needle
CN205697995U (en) * 2016-04-06 2016-11-23 杭州安杰思医学科技有限公司 Bipolar incision knife
CN209136855U (en) * 2017-12-30 2019-07-23 杭州安杰思医学科技有限公司 A kind of controllable high frequency incision knife

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