CN111150484B - Special electrocoagulation cutter for cervical cancer - Google Patents
Special electrocoagulation cutter for cervical cancer Download PDFInfo
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- CN111150484B CN111150484B CN201911240772.1A CN201911240772A CN111150484B CN 111150484 B CN111150484 B CN 111150484B CN 201911240772 A CN201911240772 A CN 201911240772A CN 111150484 B CN111150484 B CN 111150484B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00071—Electrical conductivity
- A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00559—Female reproductive organs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
Abstract
The invention relates to an electrocoagulation cutter special for cervical cancer. It has solved the not reasonable problem inadequately of prior art design, including cutting main part, main part front end, annular cutting region, cutting handle, movable mounting structure activity, cutting body, cutting tool bit and insulation system, the cutting tool bit passes insulation system, the cutting main part in wear to be equipped with the wire, cutting main part and cutting handle are worn out in proper order to wire one end, the other end is through enabling the wire when cutting the body for cutting main part relative movement all the time with the electric connection structure that the cutting body electricity is connected. Has the advantages that: the telescopic positioning distance adjusting assembly is matched with the distance adjusting display structure to control the end cap body to stretch relative to the front end of the main body, so that an operator can conveniently control the insertion depth of the cutter; the cutting telescopic control assembly ensures that the telescopic amount of the cutting tool bit is adjustable, so that the risk of excessive cutting is reduced; the cutting rotation control assembly facilitates the user to control the rotation amount of the cutting head, so that the rotation angle is easy to control.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an electrocoagulation cutter special for cervical cancer.
Background
Cervical cancer is the most common gynecological malignancy. The age of the primary cancer is 30-35 years old, the invasive cancer is 45-55 years old, and the incidence of the primary cancer tends to be younger in recent years. An appropriate individualized treatment scheme is formulated according to the comprehensive consideration of clinical stages, the age of patients, the birth requirements, the general situation, the medical technical level, equipment conditions and the like. Adopts a comprehensive treatment scheme with operation and radiotherapy as main parts and chemotherapy as auxiliary parts. Among them, total hysterectomy, the most common procedure, accounts for a large proportion of clinical treatments; due to the plantability of cancer cells, the operation needs to ensure that the cancer cells do not spread and flow out; the existing therapies for this mainly include: 1. open resection: the traditional method is characterized in that an abdominal incision is opened by means of an appliance, a vaginal tube wall is cut by a manual cutter and is sutured, and finally, a uterus is moved out of the incision, so that the wound surface caused by the operation is large, and the healing of abdominal wounds of patients is not facilitated; 2. gradually shearing the periphery of the vaginal canal by an ultrasonic knife inserted through a laparoscopic puncture outfit hole after the vagina is sutured; the operation method comprises the steps of firstly putting a uterine manipulator into a vagina, manually suturing and constraining a vaginal tube to the uterine manipulator through a suture, finally cutting a small opening from the outer wall of the vaginal tube through an ultrasonic knife, gradually shearing along the circumferential direction of the vaginal tube through the small opening, and finally drawing a uterus out of the vaginal tube through a clamp; although the wound surface of a patient is small, the operation is time-consuming and labor-consuming, the binding reliability cannot be guaranteed particularly in the manual suture binding process, the cutting mode is long, and the efficiency is extremely low.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a surgical instrument [201910161051.5] for resection of a vaginal tube due to uterine cancer, which specifically comprises a fixing unit, a cutting unit, and a shaft tube and an outer tube coaxially arranged; the fixing unit is arranged on the shaft tube and is used for binding and fixing the vaginal tube in the operation process, and the diameter of the part of the vaginal tube which is bound and fixed is smaller than that of the outer tube; the cutting unit comprises a cutter body and an axial telescopic mechanism, and the cutter body is axially connected with the telescopic mechanism; the telescopic mechanism is connected to the inner side wall of the rotating pipe.
The scheme solves the problem of inconvenience in vaginal resection in the existing cervical cancer operation to a certain extent, but the scheme still has a plurality of defects, such as poor insulation, low safety, poor electric connection stability and the like.
Disclosure of Invention
The invention aims to solve the problems and provides the electrocoagulation cutter special for the cervical cancer, which has reasonable design and high insulation and stability.
In order to achieve the purpose, the invention adopts the following technical scheme: the special electrocoagulation cutter for cervical cancer comprises a hollow cutting main body, wherein one end of the cutting main body is provided with a main body front end, an annular cutting area is formed between the cutting main body and the main body front end, the other end of the cutting main body is connected with a cutting handle, and the special electrocoagulation cutter is characterized in that the circumferential outer side of the cutting main body is provided with a cutting pipe body which is cylindrical and can axially slide and/or circumferentially rotate along the cutting main body through a movable sleeve of a movable mounting structure, one end face of the cutting pipe body is provided with a cutting tool bit which is flaky and can extend into the annular cutting area, one end of the cutting pipe body is provided with an insulating structure which can insulate the circumferential inner side and the circumferential outer side of the cutting pipe body and the end face of the cutting pipe body, the cutting tool bit penetrates through the insulating structure, a wire penetrates through the cutting main body and the, the other end of the cutting tube body is provided with an electric connection structure which enables the wire to be always electrically connected with the cutting tube body when the cutting tube body relatively moves relative to the cutting main body. One end of the cutting pipe body is completely wrapped, so that the situation that the cutting is not smooth due to current dispersion in the cutting process is prevented, and the insulation performance is good.
In the electrocoagulation cutter special for cervical cancer, an end cap body is movably arranged at one end of the front end of the main body, which is far away from the cutting main body, a push-pull rod body is movably arranged in the cutting main body in an axial direction in a penetrating manner, one end of the push-pull rod body extends to the circumferential inner side of the front end of the main body and is connected with the end cap body, the other end of the push-pull rod body is connected with a telescopic control structure capable of driving the push-pull rod body to move along the axial direction of the cutting main body, and a distance adjusting display structure for displaying the moving stroke information of the.
In the electrocoagulation cutter special for cervical cancer, the telescopic positioning distance adjusting component comprises a push-pull rod body which is axially and movably arranged in the cutting main body in a penetrating manner, one end of the push-pull rod body extends to the circumferential inner side of the front end head of the main body and is connected with the end cap, the other end of the push-pull rod body is connected with a telescopic control structure which can drive the push-pull rod body to axially move along the cutting main body, and the cutting main body is provided with a distance adjusting display structure for displaying the moving stroke information of the push-pull rod body. The push-pull rod body drives the end cap body to stretch out and draw back so as to limit the cutting depth of the cutter head. Preferably, the end cap body and the front end of the main body are both in a conical boss shape and are connected with the end part of the cutting main body through a connecting pipe 14, the connecting pipe 14 is circumferentially provided with a plurality of barb bodies 15, and the diameter of the large end of the end cap body is the same as that of the small end of the front end of the main body.
In the special electrocoagulation cutter for cervical cancer, the telescopic control structure comprises a cutting handle arranged at one end of the cutting main body, which is far away from the front end of the main body, a rotary sleeve body is arranged at one end of the cutting handle, which is far away from the cutting main body, through a rotary mounting structure, a transmission rod in threaded connection with the rotary sleeve body is arranged at the inner side of the circumferential direction of the rotary sleeve body in a penetrating manner, a transmission seat is arranged at one end of the transmission rod, a transmission guide assembly is arranged between the transmission seat and the cutting handle, and one end, which is far away from the end cap body, of the push-pull rod body extends into the cutting handle and is connected with; the rotary mounting structure comprises a mounting channel axially arranged at the end part of the cutting handle, one end of the rotary sleeve body is provided with a rotary mounting part inserted in the mounting channel, and the circumferential outer side of the rotary mounting part is provided with an annular limiting plate abutting against a blocking part in the mounting channel; the transmission direction subassembly including setting up the transmission direction recess in transmission seat one side, just the cutting handle in have the transmission direction sand grip of axial extension, transmission direction sand grip insert in transmission direction recess and transmission direction sand grip and transmission direction recess slip link to each other. The transmission seat can move axially by rotating the rotary sleeve body, so that the push-pull rod body is driven to move in the axial direction.
In the special electrocoagulation cutter for cervical cancer, the distance-adjusting display structure comprises a strip-shaped groove which is arranged on the upper side of the cutting handle and extends along the axial direction of the cutting handle, scales are arranged on one side of the strip-shaped groove, and a display pointer which is connected with the transmission seat and the upper end of which is exposed out of the strip-shaped groove is movably arranged in the strip-shaped groove.
In foretell special electric coagulation cutterbar of cervical carcinoma, insulating structure locate the cutting main part one end circumference outside and be located the guide sleeve body of cutting body week inboard including the cover, the guide sleeve body is made by polytetrafluoroethylene material, just guide sleeve body circumference outside cover be equipped with the insulating sleeve body, the tip circumference outside that is close to cutting main part one end at the insulating sleeve body has the insulating ring, cutting body pot head locate on the insulating sleeve body and cut body one end terminal surface and lean on setting up on an insulating ring terminal surface, the insulating ring week outside and cut the pipe body circumference outside flush just the insulating ring on set up the breach that supplies the cutting tool bit to pass, the outside cover is equipped with the pyrocondensation body of being made by insulating material in cutting pipe body week.
In the electrocoagulation cutter special for cervical carcinoma, the cutting main body comprises a hollow tubular conductive tube body, one end of the conductive tube body is fixedly provided with a first joint seat, one end of the first joint seat is connected with a main body front end, an annular cutting area is formed between the first joint seat and the main body front end, the cutting knife head extends into the annular cutting area, the circumferential outer side of one end of the first joint seat, which is far away from the conductive tube body, is provided with an annular boss, the other end of the first joint seat is fixedly connected with the conductive tube body in an inserting manner, the circumferential outer side of the annular boss is flush with the circumferential outer side of the conductive tube body, the guide sleeve body is sleeved between the circumferential outer side of the annular boss and the circumferential outer side of the conductive tube body, the other end of the conductive tube body, which is far away from the first joint seat, is provided with a second joint seat, and the cutting handle is arranged at one end of the second joint seat, and one end of the lead, which extends to the outer side of the cutting handle, is connected with a power supply plug.
In the electrocoagulation cutter special for cervical cancer, the electric connection structure comprises a wiring terminal arranged at one end of the lead, the wiring terminal is arranged on the conductive tube body through an elastic mounting structure, and the end part of the wiring terminal is provided with an arc contact head which is abutted against the circumferential inner wall of the cutting tube body; elastic mounting structure including setting up in conductive tube body circumference and along the bar hole of conductive tube body axial extension, the bar downthehole elastic webbing as an organic whole that links with conductive tube body that is equipped with, binding post wear to locate on the elastic webbing and fixed continuous with the elastic webbing, just arc contact head be located the elastic webbing and the conductive tube body week outside.
In foretell special electrocoagulation cutter of cervical carcinoma, the movable mounting structure including set up between cutting main part and cutting body and enable the cutting body along cutting main part axial slip thereby make the cutting tool bit extend to annular cutting region in or not extend to the flexible control assembly of cutting in the annular cutting region, still be equipped with between cutting main part and cutting body and enable the cutting body along cutting main part circumferential direction's cutting rotation control assembly when the cutting tool bit extends to in the annular cutting region.
In the electrocoagulation cutter special for cervical cancer, the cutting telescopic control assembly comprises a rotating wheel movably sleeved on the circumferential outer side of one end of the cutting main body, which is far away from the front end of the main body, the rotating wheel is fixedly connected with one end of the cutting pipe body, and a telescopic guide structure is arranged between the rotating wheel and the cutting main body; the flexible guide structure including set up in the cutting main part circumference outside and along the flexible guide groove and the protruding muscle of direction that cutting main part axial extension set up, just the runner be close to cutting handle one end circumference inboard and be equipped with the location lug of inserting in flexible guide groove, just flexible guide groove and location lug slide and link to each other, be close to the inboard direction breach that supplies the protruding muscle of direction to penetrate that still has of cutting handle one end circumference at the runner.
In the electrocoagulation cutter special for cervical cancer, the cutting rotation control assembly comprises a plurality of tooth-shaped grooves which are arranged on the outer side of the cutting main body in the circumferential direction and are positioned at the tail ends of the telescopic guide grooves, an arc-shaped elastic strip is arranged on the inner side of one end of the rotating wheel in the circumferential direction, the positioning lugs are formed at one ends of the arc-shaped elastic strips, and the positioning lugs are respectively arranged corresponding to the tooth-shaped grooves.
Compared with the prior art, the invention has the advantages that:
1. the telescopic positioning distance-adjusting assembly is matched with the distance-adjusting display structure to control the end cap body to stretch relative to the front end of the main body, so that an operator can conveniently control the insertion depth of the cutter; the cutting telescopic control assembly ensures that the telescopic amount of the cutting tool bit is adjustable, so that the risk of excessive cutting is reduced; the cutting rotation control assembly facilitates the user to control the rotation amount of the cutting head, so that the rotation angle is easy to control.
2. Establish the pyrocondensation body through cutting the pipe body week to the pot head, avoided cutting pipe body terminal surface and patient's wound inner wall direct contact, the security is good, simultaneously, utilizes the insulator housing and insulator ring to wrap up the one end that the cutting tool bit is located the cutting pipe body completely, has prevented that the cutting in-process current dispersion from causing the not smooth condition of cutting, and insulating nature is good, and electric connection stability is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of another aspect of the present invention;
FIG. 3 is a schematic cross-sectional view taken along direction A of FIG. 2;
FIG. 4 is a partial cross-sectional view of the present invention;
FIG. 5 is a partial cross-sectional view from another perspective of the present invention;
FIG. 6 is a schematic view of the construction of the cutting body of the present invention;
FIG. 7 is a schematic view of the construction of the front head of the main body according to the present invention;
FIG. 8 is an enlarged view at A in FIG. 3;
in the figure, a cutting body 1, a front end 11 of the body, an annular cutting area 12, an end cap 13, a connecting pipe 14, a barb 15, a conductive pipe 16, a first joint seat 17, an annular boss 171, a second joint seat 18, a power supply plug 19, a cutting pipe 2, a cutting tool bit 21, an insulating structure 22, a guide sleeve 221, an insulating sleeve 222, an insulating ring 223, a notch 224, a heat shrinkable pipe 225, a wire 23, an electrical connection structure 24, a connection terminal 241, an arc contact 242, a strip-shaped hole 243, an elastic sheet 244, a cutting telescopic control assembly 3, a rotating wheel 31, a telescopic guide structure 32, a telescopic guide groove 33, a positioning lug 34, a guide notch 35, a guide convex rib 36, a cutting rotation control assembly 4, a tooth-shaped groove 41, an arc elastic strip 42, a telescopic positioning distance-adjusting assembly 5, a push-pull rod 51, a telescopic control structure 6, a cutting handle 61, a rotary sleeve 62, The device comprises a transmission rod 63, a transmission seat 64, a distance adjusting display structure 7, a strip-shaped groove 71, a scale 72, a display pointer 73, a rotating installation structure 8, an installation channel 81, a rotating installation part 82, a blocking part 83, an annular limiting plate 84, a transmission guide assembly 9, a transmission guide groove 91 and a transmission guide convex strip 92.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-7, the electrocoagulation cutter for cervical cancer comprises a hollow cutting body 1, wherein one end of the cutting body 1 is provided with a body front end 11, an annular cutting area 12 is formed between the cutting body 1 and the body front end 11, the other end of the cutting body 1 is connected with a cutting handle 61, the circumferential outer side of the cutting body 1 is movably sleeved with a cylindrical cutting tube 2 which can axially slide and/or circumferentially rotate along the cutting body 1 through a movable mounting structure, the end surface of one end of the cutting tube 2 is provided with a sheet-shaped cutting knife head 21 which can extend into the annular cutting area 12, one end of the cutting tube 2 is provided with an insulating structure 22 which can insulate the circumferential inner side and the circumferential outer side of the cutting tube 2 and the end surface of the cutting tube 2, the cutting knife head 21 penetrates through the insulating structure 22, a wire 23 penetrates through the cutting body 1, and one end of the wire 23 sequentially penetrates, the other end passes through an electrical connection structure 24 that enables the wire 23 to be electrically connected to the cutting tube body 2 all the time when the cutting tube body 2 relatively moves with respect to the cutting body 1. Wrap up through the one end with cutting body 2 completely, prevented that the dispersion of electric current from causing the not smooth condition of cutting among the cutting process, insulating nature is good.
Specifically, an end cap body 13 is movably provided at one end of the main body front end 11 away from the cutting main body 1, and the cutting main body 1 is provided with a telescopic positioning distance adjusting assembly 5 which can move the end cap body 13 in a direction away from the main body front end 11. The telescopic positioning distance adjusting assembly 5 comprises a push-pull rod body 51 axially movably arranged in the cutting main body 1 in a penetrating mode, one end of the push-pull rod body 51 extends to the circumferential inner side of the front end head 11 of the main body and is connected with an end cap body 13, the other end of the push-pull rod body 51 is connected with a telescopic control structure 6 capable of driving the push-pull rod body 51 to axially move along the cutting main body 1, and a distance adjusting display structure 7 used for displaying moving stroke information of the push-pull rod body 51 is arranged on the cutting main body 1. The push-pull rod 51 penetrates through the cutting body to connect the telescopic positioning distance adjusting assembly 5 with the end cap body 13.
Further, flexible control structure 6 is including setting up the cutting handle 61 of keeping away from main part front end 11 one end at cutting main part 1, the one end that cutting handle 61 kept away from cutting main part 1 is equipped with the rotary sleeve body 62 through rotating mounting structure 8, and the drive rod 63 that links to each other with the rotary sleeve body 62 screw thread is worn to be equipped with by the circumferential inboard of rotary sleeve body 62, and drive rod 63 one end has transmission seat 64, be equipped with transmission guide assembly 9 between transmission seat 64 and the cutting handle 61, and push-and-pull rod body 51 keeps away from and links to each other with end cap body 13 one end extend to in the cutting handle 61 and with transmission seat 64. The rotating sleeve 62 and the transmission rod 63 on the transmission seat 64 rotate spirally relatively, the rotating sleeve 62 is axially fixed under the limitation of the rotating mounting structure 8, and the transmission seat 62 and the push-pull rod body 51 matched with the rotating sleeve 62 stretch along with the rotating mounting structure, so that the end cap body 13 is driven to stretch and retract relative to the front end head 11 of the main body.
Furthermore, the distance-adjusting display structure 7 includes a bar-shaped groove 71 disposed on the upper side of the cutting handle 61 and extending along the axial direction of the cutting handle 61, and a scale 72 is disposed on one side of the bar-shaped groove 71, and a display pointer 73 connected to the transmission seat 64 and having an upper end exposed out of the bar-shaped groove 71 is movably disposed in the bar-shaped groove 71. The display pointer 73 points to different scales 72 along with the movement of the transmission seat 64, so that an operator can conveniently judge the extending distance of the end cap body 13.
Besides, the rotation mounting structure 8 includes a mounting channel 81 axially disposed at an end of the cutting handle 61, one end of the rotating sleeve 62 has a rotation mounting portion 82 inserted into the mounting channel 81, and a ring-shaped limiting plate 84 abutting against a blocking portion 83 in the mounting channel 81 is disposed at a circumferential outer side of the rotation mounting portion 82. The rotating mounting structure 8 cooperates with the rotating sleeve 62 to ensure that the rotating sleeve 62 rotates relative to the center line of the mounting channel 81.
Meanwhile, the transmission guide assembly 9 includes a transmission guide groove 91 formed in one side of the transmission seat 64, and a transmission guide protruding strip 92 extending axially is formed in the cutting handle 61, the transmission guide protruding strip 92 is inserted into the transmission guide groove 91, and the transmission guide protruding strip 92 is connected with the transmission guide groove 91 in a sliding manner. The transmission guide rib 92 and the transmission guide groove 91 are respectively positioned on the cutting handle 61 and the transmission seat 62, and limit the circumferential rotation of the transmission seat 62 about the central axis of the push-pull rod body 51.
Wherein, the movable mounting structure includes that the setting is between cutting main part 1 and cutting body 2 and enable cutting body 2 along the cutting main part 1 axial slip thereby make cutting bit 21 extend to annular cutting region 12 in or not extend to the cutting flexible control assembly 3 in annular cutting region 12, still be equipped with between cutting main part 1 and cutting body 2 and enable cutting body 2 along cutting main part 1 circumferential direction's cutting rotation control assembly 4 when cutting bit 21 extends to annular cutting region 12. Cutting flexible control assembly 3 and cutting rotation control assembly 4 combined action orders about cutting body 2 flexible and rotatory to the cutting tool bit 21 that drives the front end rotates the cutting about annular cutting region 12.
Visibly, the cutting telescopic control assembly 3 comprises a rotating wheel 31 movably sleeved on the cutting main body 1 and far away from the circumferential outer side of one end of the front end of the main body, the rotating wheel 31 is fixedly connected with one end of the cutting pipe body 2, and a telescopic guide structure 32 is arranged between the rotating wheel 31 and the cutting main body 1.
Preferably, the telescopic guide structure 32 comprises a telescopic guide groove 33 and a guide convex rib 34 which are arranged on the outer side of the circumferential direction of the cutting main body 1 and extend along the axial direction of the cutting main body 1, a positioning lug 34 inserted into the telescopic guide groove 33 is arranged on the inner side of the circumferential direction of one end of the rotating wheel 31 close to the cutting handle 61, the telescopic guide groove 33 is connected with the positioning lug 34 in a sliding manner, and a guide notch 35 for the guide convex rib 34 to penetrate through is further arranged on the inner side of the circumferential direction of one end of the rotating wheel 31 close to the cutting handle 61. When the pushing wheel 31 moves axially relative to the cutting body 1, the telescopic guide structure 32 ensures that the wheel 31 and the cutting body 1 do not rotate relatively.
It is obvious that the cutting rotation control assembly 4 includes a plurality of tooth-shaped grooves 41 disposed at the circumferential outer side of the cutting body 1 and located at the end of the telescopic guide groove 33, and the circumferential inner side of one end of the rotating wheel 31 has an arc-shaped elastic strip 42, and the positioning protrusions 34 are formed at one end of the arc-shaped elastic strip 42, and the positioning protrusions 34 are disposed corresponding to the tooth-shaped grooves 41, respectively. The positioning protrusion 34 is engaged with the tooth-shaped groove 41 by the elastic force of the arc-shaped elastic strip 42, so that the rotary wheel 31 drives the cutting pipe body 2 to rotate and jump at a fixed angle.
Deeply, the end cap body 13 and the front end head 11 of the main body are both in a conical boss shape and are connected with the end part of the cutting main body 1 through a connecting pipe 14, the connecting pipe 14 is circumferentially provided with a plurality of barb bodies 15, and the diameter of the large end head of the end cap body 13 is the same as that of the small end head of the front end head 11 of the main body. The maximum extension of the end cap body 13 relative to the front end 11 of the main body can be 2cm, and the cutting length of the cutting head 21 is 2.5cm-4.5 cm.
As shown in fig. 1, fig. 3 to 4 and fig. 8, the insulation structure 22 in this embodiment includes a guide sleeve 221 sleeved on the circumferential outer side of one end of the cutting main body 1 and located on the circumferential inner side of the cutting pipe body 2, the guide sleeve 221 is made of teflon, the insulation sleeve 222 is sleeved on the circumferential outer side of the guide sleeve 221, an insulation ring 223 is disposed on the circumferential outer side of the end portion of the insulation sleeve 222 close to one end of the cutting main body 1, one end of the cutting pipe body 2 is sleeved on the insulation sleeve 222 and the end surface of one end of the cutting pipe body 2 is abutted on the end surface of one end of the insulation ring 223, the circumferential outer side of the insulation ring 223 and the circumferential outer side of the cutting pipe body 2 are flush, the insulation ring 223 is provided with a notch 224 for the cutting head 21 to pass through, and a heat shrinkable pipe body. Through establishing pyrocondensation body 225 at 2 circumference outside covers of cutting body, avoided 2 terminal surfaces of cutting body and patient's wound inner wall direct contact, the security is good, simultaneously, utilizes insulating sleeve body 222 and insulating ring 223 to wrap up the one end that is located the cutting body with the cutting tool bit completely, has prevented that the dispersion of electric current from causing the not smooth condition of cutting in the cutting process, and the practicality is good.
Wherein, the cutting body 1 includes a hollow tubular conductive tube 16, one end of the conductive tube 16 is fixedly provided with a first joint seat 17, one end of the first joint seat 17 is connected with a front end head 11 of the body, an annular cutting area 12 is formed between the first joint seat 17 and the front end head 11 of the body, the cutting tool bit 21 extends into the annular cutting area 12, the circumferential outer side of one end of the first joint seat 17 far away from the conductive tube 16 is provided with an annular boss 171, the other end of the first joint seat 17 is fixedly connected with the conductive tube 16 in an inserting manner, the circumferential outer side of the annular boss 171 is flush with the circumferential outer side of the conductive tube 16, the guide sleeve body 221 is sleeved between the circumferential outer side of the annular boss 171 and the circumferential outer side of the conductive tube 16, the other end of the conductive tube 16 far away from the first joint seat 17 is provided with a second joint seat 18, the cutting handle 61 is arranged at one end of the second connector base 18, and one end of the lead 23 extending to the outer side of the cutting handle 61 is connected with the power supply plug 19.
The electric connection structure 24 comprises a connection terminal 241 arranged at one end of the lead 23, the connection terminal 241 is arranged on the conductive pipe body 16 through an elastic mounting structure, and an arc-shaped contact 242 abutted against the circumferential inner wall of the cutting pipe body 2 is arranged at the end part of the connection terminal 241; the elastic mounting structure includes the bar hole 243 that sets up at the electric conduction body 16 circumference and extend along the electric conduction body 16 axial, bar hole 243 in be equipped with electric conduction body 16 even as an organic whole flexure strip 244, binding post 241 wear to locate on flexure strip 244 and with flexure strip 244 fixed the linking to each other, just arc contact 242 be located flexure strip 244 and the electric conduction body 16 circumference outside. The arc-shaped contact 242 connected to the end of the connection terminal 241 of the wire 23 is clamped between the outer circumferential side of the conductive pipe body 16 and the inner circumferential side of the conductive pipe body 16 by the elastic mounting structure, and therefore, when the cutting pipe body 2 moves relatively along the cutting main body 1, the electric connection between the cutting pipe body 2 and the wire 23 can be always maintained.
In summary, the principle of the present embodiment is: the cutting telescopic control component 3 and the cutting rotary control component 4 act together, and the rotating wheel 31 can drive the cutting pipe body 2 to stretch or rotate relative to the cutting main body 1, so that the cutting tool bit 21 on the end surface of the cutting pipe body 2 stretches or rotates circumferentially relative to the annular cutting area 12 for cutting; when the rotating sleeve 62 in the telescopic positioning distance-adjusting assembly 5 rotates, the push-pull rod 51 drives the end cap body 13 to stretch relative to the main body front end 11, and the stretching amount can be read from the display pointer 73 of the distance-adjusting display structure 7, so that a user can conveniently control the cutting depth of the cutting tool bit 21, the electric connection structure 24 is utilized to keep the electric connection between the lead 23 and the cutting tube 2, meanwhile, the circumferential inner side and the circumferential outer side of one end of the cutting tube 2 are completely wrapped by the insulating sleeve 222 and the insulating ring 223, only the cutting tool bit 21 is leaked, the situation that the cutting is not smooth due to current dispersion in the cutting process is prevented, and the thermal shrinkage tube 225 is sleeved on the circumferential outer side of the cutting tube 2, so that the end face of the cutting tube 2 is prevented from directly contacting with the inner wall of a.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the cutting body 1, the front end 11 of the body, the annular cutting area 12, the end cap 13, the connecting tube 14, the barb 15, the conductive tube 16, the first connector holder 17, the annular projection 171, the second connector holder 18, the power supply plug 19, the cutting tube 2, the cutting bit 21, the insulating structure 22, the guide sleeve 221, the insulating sleeve 222, the insulating ring 223, the notch 224, the heat shrinkable tube 225, the conductive wire 23, the electrical connection structure 24, the connection terminal 241, the arc contact 242, the strip-shaped hole 243, the elastic sheet 244, the cutting telescoping control assembly 3, the rotary wheel 31, the telescoping guide structure 32, the telescoping guide groove 33, the positioning protrusion 34, the guide notch 35, the guide rib 36, the cutting rotation control assembly 4, the tooth-shaped groove 41, the arc-shaped elastic strip 42, the telescoping positioning distance-adjusting assembly 5, the push-pull rod 51, the telescoping control structure 6, the cutting handle 61, the push-pull rod, The terms of the rotating sleeve 62, the transmission rod 63, the transmission seat 64, the distance adjusting display structure 7, the strip-shaped groove 71, the scale 72, the display pointer 73, the rotating mounting structure 8, the mounting channel 81, the rotating mounting part 82, the blocking part 83, the annular limiting plate 84, the transmission guide assembly 9, the transmission guide groove 91, the transmission guide convex strip 92 and the like do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (8)
1. The utility model provides a special electrocoagulation cutter for cervical carcinoma, includes cutting main part (1) that is the cavity form, cutting main part (1) one end have main part front end (11), and form annular cutting region (12) between cutting main part (1) and main part front end (11), the cutting main part (1) other end be connected with cutting handle (61), its characterized in that, the circumference outside of cutting main part (1) through movable mounting structure movable sleeve be equipped with be the tube-shape and can follow cutting main part (1) axial slip and/or circumferential direction's cutting body (2), cutting body (2) one end terminal surface have be the slice and can extend to annular cutting region (12) in cutting tool bit (21), cutting body (2) one end be equipped with and enable cutting body (2) circumference inside and outside and cutting body (2) terminal surface insulating insulation structure (22), the cutting tool bit (21) penetrates through the insulating structure (22), a lead (23) penetrates through the cutting main body (1), one end of the lead (23) penetrates through the cutting main body (1) and the cutting handle (61) in sequence, and the other end of the lead passes through an electric connection structure (24) which enables the lead (23) to be always electrically connected with the cutting pipe body (2) when the cutting pipe body (2) moves relative to the cutting main body (1); the movable mounting structure comprises a cutting telescopic control assembly (3) which is arranged between a cutting main body (1) and the cutting pipe body (2) and can enable the cutting pipe body (2) to axially slide along the cutting main body (1) so that a cutting tool bit (21) extends into an annular cutting area (12) or does not extend into the annular cutting area (12), and a cutting rotary control assembly (4) which can enable the cutting pipe body (2) to circumferentially rotate along the cutting main body (1) when the cutting tool bit (21) extends into the annular cutting area (12) is further arranged between the cutting main body (1) and the cutting pipe body (2); the cutting telescopic control assembly (3) comprises a rotating wheel (31) which is movably sleeved on the circumferential outer side of one end, far away from the front end head (11) of the cutting main body (1), of the cutting main body, the rotating wheel (31) is fixedly connected with one end of the cutting pipe body (2), and a telescopic guide structure (32) is arranged between the rotating wheel (31) and the cutting main body (1); the telescopic guide structure (32) comprises a telescopic guide groove (33) and a guide convex rib (36) which are arranged on the circumferential outer side of the cutting main body (1) and extend along the axial direction of the cutting main body (1), a positioning lug (34) inserted into the telescopic guide groove (33) is arranged on the circumferential inner side of one end, close to the cutting handle (61), of the rotating wheel (31), the telescopic guide groove (33) is connected with the positioning lug (34) in a sliding manner, and a guide notch (35) for the guide convex rib (36) to penetrate into is further arranged on the circumferential inner side of one end, close to the cutting handle (61), of the rotating wheel (31); the cutting rotation control assembly (4) comprises a plurality of tooth-shaped grooves (41) which are arranged on the circumferential outer side of the cutting main body (1) and located at the tail ends of the telescopic guide grooves (33), arc-shaped elastic strips (42) are arranged on the circumferential inner side of one end of the rotating wheel (31), positioning convex blocks (34) are formed at one ends of the arc-shaped elastic strips (42), and the positioning convex blocks (34) are respectively arranged corresponding to the tooth-shaped grooves (41).
2. The special electrocoagulation cutter for cervical cancer according to claim 1, wherein an end cap body (13) is movably arranged at one end of the front end head (11) of the main body far away from the cutting main body (1), and a telescopic positioning distance adjusting component (5) which can enable the end cap body (13) to move towards the direction far away from the front end head (11) of the main body is arranged on the cutting main body (1).
3. The electrocoagulation cutter special for cervical cancer according to claim 2, wherein the telescopic positioning distance-adjusting assembly (5) comprises a push-pull rod body (51) axially movably arranged in the cutting main body (1), one end of the push-pull rod body (51) extends to the circumferential inner side of the front end head (11) of the main body and is connected with the end cap body (13), the other end of the push-pull rod body is connected with a telescopic control structure (6) capable of driving the push-pull rod body (51) to axially move along the cutting main body (1), and the cutting main body (1) is provided with a distance-adjusting display structure (7) for displaying the moving stroke information of the push-pull rod body (51).
4. The special electrocoagulation cutter for cervical cancer according to claim 3, wherein the telescopic control structure (6) comprises a cutting handle (61) arranged at one end of the cutting body (1) far away from the front end (11) of the body, a rotary sleeve body (62) is arranged at one end of the cutting handle (61) far away from the cutting body (1) through a rotary mounting structure (8), a transmission rod (63) in threaded connection with the rotary sleeve body (62) penetrates through the circumferential inner side of the rotary sleeve body (62), a transmission seat (64) is arranged at one end of the transmission rod (63), a transmission guide assembly (9) is arranged between the transmission seat (64) and the cutting handle (61), and one end of the push-pull rod body (51) far away from the end cap body (13) extends into the cutting handle (61) and is connected with the transmission seat (64); the rotary mounting structure (8) comprises a mounting channel (81) axially arranged at the end part of the cutting handle (61), one end of the rotary sleeve body (62) is provided with a rotary mounting part (82) inserted in the mounting channel (81), and the circumferential outer side of the rotary mounting part (82) is provided with an annular limiting plate (84) which is abutted against a blocking part (83) in the mounting channel (81); transmission direction subassembly (9) including setting up transmission guide groove (91) in transmission seat (64) one side, just cutting handle (61) in have transmission direction sand grip (92) of axial extension, transmission direction sand grip (92) insert in transmission guide groove (91) and transmission direction sand grip (92) and transmission guide groove (91) slide and link to each other.
5. The electrocoagulation cutter special for cervical cancer according to claim 4, wherein the distance adjusting display structure (7) comprises a strip-shaped groove (71) which is arranged on the upper side of the cutting handle (61) and axially extends along the cutting handle (61), a scale (72) is arranged on one side of the strip-shaped groove (71), and a display pointer (73) which is connected with the transmission seat (64) and the upper end of which is exposed out of the strip-shaped groove (71) is movably arranged in the strip-shaped groove (71).
6. The special electrocoagulation cutter for cervical cancer according to claim 1, 2, 3 or 4, wherein the insulation structure (22) comprises a guide sleeve body (221) sleeved outside one end of the cutting main body (1) in the circumferential direction and located inside the cutting tube body (2) in the circumferential direction, the guide sleeve body (221) is made of polytetrafluoroethylene material, the insulation sleeve body (222) is sleeved outside the circumferential direction of the guide sleeve body (221), an insulation ring (223) is arranged outside the insulation sleeve body (222) in the circumferential direction of the end portion close to one end of the cutting main body (1), one end of the cutting tube body (2) is sleeved on the insulation sleeve body (222), the end face of one end of the cutting tube body (2) is abutted against and arranged on one end face of the insulation ring (223), the outer side of the circumferential direction of the insulation ring (223) is flush with the outer side of the cutting tube body (2) in the circumferential direction, and a notch (224) for the cutting tool bit (21), the outer side of the circumferential direction of the cutting pipe body (2) is sleeved with a heat-shrinkable pipe body (225) made of an insulating material.
7. The electrocoagulation cutter special for cervical cancer according to claim 6, wherein the cutting body (1) comprises a hollow tubular conductive tube body (16), one end of the conductive tube body (16) is fixedly provided with a first joint seat (17), one end of the first joint seat (17) is connected with a front end head (11) of the main body, an annular cutting area (12) is formed between the first joint seat (17) and the front end head (11) of the main body, the cutting head (21) extends into the annular cutting area (12), an annular boss (171) is arranged on the circumferential outer side of one end of the first joint seat (17) far away from the conductive tube body (16), the other end of the first joint seat (17) is fixedly connected with the conductive tube body (16) in an inserting manner, and the circumferential outer side of the annular boss (171) is flush with the circumferential outer side of the conductive tube body (16), and the guide sleeve body (221) is sleeved between the circumferential outer side of the annular boss (171) and the circumferential outer side of the conductive pipe body (16), the other end of the conductive pipe body (16) far away from the first joint seat (17) is provided with a second joint seat (18), the cutting handle (61) is arranged at one end of the second joint seat (18), and one end of the lead (23) extending to the outer side of the cutting handle (61) is connected with the power supply plug (19).
8. The electrocoagulation cutter special for cervical cancer according to claim 7, wherein the electrical connection structure (24) comprises a connection terminal (241) arranged at one end of the lead (23), the connection terminal (241) is arranged on the conductive tube body (16) through an elastic mounting structure, and the end of the connection terminal (241) is provided with an arc-shaped contact head (242) which abuts against the circumferential inner wall of the cutting tube body (2); elastic mounting structure including setting up in conductive tube body (16) circumference and along conductive tube body (16) axial extension's bar hole (243), bar hole (243) in be equipped with conductive tube body (16) even as an organic whole flexure strip (244), binding post (241) wear to locate on flexure strip (244) and with flexure strip (244) fixed the linking to each other, just arc contact head (242) be located flexure strip (244) and conductive tube body (16) circumference outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911240772.1A CN111150484B (en) | 2019-12-06 | 2019-12-06 | Special electrocoagulation cutter for cervical cancer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911240772.1A CN111150484B (en) | 2019-12-06 | 2019-12-06 | Special electrocoagulation cutter for cervical cancer |
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| Publication Number | Publication Date |
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| CN111150484A CN111150484A (en) | 2020-05-15 |
| CN111150484B true CN111150484B (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911240772.1A Active CN111150484B (en) | 2019-12-06 | 2019-12-06 | Special electrocoagulation cutter for cervical cancer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117017437B (en) * | 2023-10-10 | 2024-03-12 | 上海宇度医学科技股份有限公司 | Tumor cutter for intraperitoneal use |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9743929B2 (en) * | 2014-03-26 | 2017-08-29 | Ethicon Llc | Modular powered surgical instrument with detachable shaft assemblies |
| US10345165B2 (en) * | 2016-09-08 | 2019-07-09 | Covidien Lp | Force sensor for surgical devices |
| CN207532440U (en) * | 2017-03-03 | 2018-06-26 | 刘兴凯 | A kind of medical electric hook convenient for control exposed position length |
| CN108125705B (en) * | 2017-11-22 | 2023-08-04 | 常州市康蒂娜医疗科技有限公司 | Foreskin cutting anastomat with safety mechanism |
| CN209377735U (en) * | 2018-10-22 | 2019-09-13 | 常州市延陵电子设备有限公司 | Electric knife tweezers piece and electric knife bipolar forceps |
| CN109793569A (en) * | 2019-03-04 | 2019-05-24 | 姜桦 | A kind of uterus canceration vaginal canal resection operation utensil |
| CN109875676A (en) * | 2019-03-04 | 2019-06-14 | 武欣 | A kind of uterus canceration vaginal canal resection operation utensil |
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Effective date of registration: 20220805 Address after: Room 1501, No. 52, Lane 289, Jinhe Road, Huamu Town, Pudong New Area, Shanghai 200127 Patentee after: Wu Xin Address before: 211400 No.8, Xieji industrial concentration area, Yuetang Town, Yizheng City, Yangzhou City, Jiangsu Province Patentee before: Jiangsu kangce Biotechnology Co.,Ltd. |
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