CN113413208A - Fluid-assisted visual bipolar coagulation hemostasis device - Google Patents
Fluid-assisted visual bipolar coagulation hemostasis device Download PDFInfo
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- CN113413208A CN113413208A CN202110732606.4A CN202110732606A CN113413208A CN 113413208 A CN113413208 A CN 113413208A CN 202110732606 A CN202110732606 A CN 202110732606A CN 113413208 A CN113413208 A CN 113413208A
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/126—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning in-use
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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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/148—Probes or electrodes therefor having a short, rigid shaft for accessing the inner body transcutaneously, e.g. for neurosurgery or arthroscopy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/126—Generators therefor characterised by the output polarity bipolar
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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
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B2018/1462—Tweezers
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Abstract
The invention discloses a fluid-assisted visual bipolar coagulation hemostasis device which comprises an outer sleeve, a sleeve seat, a rod body, bipolar coagulation forceps and an imaging module, wherein the front end of the sleeve seat is fixedly connected with the rear end of the outer sleeve, and a sealing connector is arranged at the rear end of the sleeve seat. The rod body is arranged on the inner side of the outer sleeve, the lens of the imaging module is fixed at the front end of the rod body, and a section of clear water cavity is formed between the front end surface of the outer sleeve and the lens. The rod body is matched with the rear end of the sleeve seat in a sliding and sealing mode. The bipolar electric coagulation forceps comprise two electrode forceps heads symmetrically arranged on two sides of a rod body, the front ends of the electrode forceps heads extend out of an outer sleeve, and when the rod body moves forwards, the two electrode forceps heads are in sliding fit with the inner wall of the outer sleeve. The lens of the imaging module is positioned on the rear side of the front end face of the outer sleeve, a section of clear water cavity is formed in the front of the outer sleeve, and the liquid flowing forwards in the clear water cavity provides clear and visible observation conditions, so that the bleeding part can be judged quickly and accurately, the operation accuracy and efficiency are improved, and the possibility of misoperation is greatly reduced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a fluid-assisted visual bipolar coagulation hemostasis device.
Background
The bipolar coagulation hemostasis device belongs to a common operation instrument in the field of neurosurgery, and is mainly formed by adopting energizable bipolar coagulation forceps, and the conventional bipolar coagulation forceps are usually large in size and cannot be operated in a small channel. The double-electrode electric coagulation forceps are also arranged in the puncture cannula cavity, and are matched with a puncture cannula endoscope for use, so that visible operation can be performed inside a wound, but in a bloody environment with more tissues, the conventional endoscope cannot clearly and visually observe the bleeding part on the surface of the tissue, and at the moment when electric coagulation hemostasis is needed most, the double-electrode electric coagulation forceps cannot effectively stop bleeding for the bleeding part, and the function of hemostasis is greatly limited. Thus, further improvements and enhancements are needed in the art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a fluid-assisted visible bipolar coagulation hemostasis device, which solves the problem that when the existing bipolar coagulation forceps are used with an endoscope in a matched manner, the endoscope cannot clearly and visually find a bleeding position, so that the hemostasis function of the bipolar coagulation forceps is limited.
In order to achieve the purpose, the invention adopts the technical scheme that:
a fluid-assisted visual bipolar coagulation hemostasis device comprises an outer sleeve, a sleeve seat, a rod body, bipolar coagulation forceps and an imaging module, wherein the rear end of the outer sleeve is fixedly and hermetically connected with the front end of the sleeve seat.
The rod body is arranged on the inner side of the outer sleeve, the lens of the imaging module is fixed at the front end of the rod body, and a section of clear water cavity is formed between the front end surface of the outer sleeve and the lens.
The rear end of the rod body penetrates out of the sleeve seat, the outer wall of the rod body is in sealing fit with the rear end of the sleeve seat, the bipolar coagulation forceps comprise two electrode forceps heads arranged between the rod body and the outer sleeve, and the front ends of the electrode forceps heads extend out of the outer sleeve.
The sleeve seat is provided with a water pipe, one end of the water pipe is communicated with the outer sleeve, and the other end of the water pipe can be used for being connected with a water supply device.
Furthermore, the outer tube is a hollow tube, the interior of the sleeve seat is provided with a water supply cavity, the side wall of the sleeve seat is provided with a side hole for connecting a water pipe, and the side hole is communicated with the interior of the outer tube through the water supply cavity.
Further, the rear end of the sleeve seat is provided with a sealing connecting body, and the part of the sleeve seat, which is positioned at the rear side of the water supply cavity, is provided with a first through hole.
The two electrode forceps heads are symmetrically fixed on two sides of the front end of the rod body.
The front end of the sealing connector is detachably and fixedly connected with the rear end of the casing seat, the rear end of the casing seat is provided with a sealing ring, and the rod body is matched with the casing seat in a sliding sealing mode through the sealing ring.
Furthermore, the rear end of the cannula holder is provided with an inward depressed part which is communicated with the water supply cavity through a first through hole, and the inner side wall of the depressed part is provided with an internal thread.
The front end of the sealing connector is provided with a first bulge integrated with the sealing connector, a sealing groove for placing a sealing ring is arranged on the front end face of the first bulge, an external thread is arranged on the outer side wall of the sealing connector, and the front end of the sealing connector is in threaded connection with the rear end of the sleeve seat.
Furthermore, a narrowing ring formed by transverse extension is arranged on the inner wall of the front end of the outer sleeve, and when the rod body moves forwards, the two electrode forceps heads are in sliding fit with the inner wall of the outer sleeve and approach to each other.
The parts of the narrowing rings, which are positioned at the two sides of the electrode forceps head, are provided with notches.
Furthermore, the outer side of each electrode forceps head is provided with an inclined side wall with the inward front end, the inclined side walls of the two electrode forceps heads can be in contact with the narrowing ring and are in sliding fit, and the front ends of the electrode forceps heads are close to or away from each other.
The other parts of the electrode forceps head except the front end part are covered with insulating layers, and a lead connected with the rear end of the electrode forceps head penetrates into the rod body and can be connected with a high-frequency power supply after penetrating out of the rear end of the rod body.
Further, still include the body of rod actuating mechanism who is located the casing seat rear side, body of rod actuating mechanism includes rear end seat, operating handle, the rear end seat is located the rear side of sealed connector, and its front end inserts sealed connector rather than sliding fit.
The rear end of the rod body penetrates out of the rear end seat, and the outer side wall of the rod body is fixedly connected with the rear end seat.
The operating handle is a U-shaped structure made of elastic materials, one end of the operating handle is hinged with the sealing connecting body, and the other end of the operating handle is hinged with the rear end seat.
Furthermore, the inside of the sealing connector is provided with an inserting cavity with an open rear end, the front side of the rear end seat is provided with a second protruding part of an integrated structure, and the second protruding part of the rear end seat is matched with the sealing connector in an inserting mode.
Furthermore, the inside of grafting cavity is equipped with reset spring, and reset spring is located the front side of second bulge, and overlaps and establish in the body of rod outside.
The side wall of the second bulge is provided with a limit groove which is axially arranged along the rod body, and the sealing connector is provided with a pin rod matched with the limit groove.
Further, the rod body is made of stainless steel material.
By adopting the technical scheme, the invention has the beneficial technical effects that:
according to the invention, the bipolar electric coagulation forceps are combined with the imaging module, the lens of the imaging module is positioned at the rear side of the outer sleeve, the front end of the outer sleeve is provided with a section of clear water cavity, the clear water cavity provides clear visual observation conditions for the lens, the bleeding part of the tissue can be conveniently and accurately judged, the accuracy and efficiency of operation of the bipolar electric coagulation forceps are improved, and the possibility of misoperation is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of a first implementation of a fluid-assisted visual bipolar coagulation hemostasis device of the invention.
FIG. 2 is an exploded view of a second embodiment of the fluid assisted, visible bipolar coagulation hemostasis device of the present invention.
FIG. 3 is a structural cross-sectional view of a second implementation of a fluid assisted, visual bipolar electro-coagulation hemostasis device of the present invention.
FIG. 4 is a schematic structural diagram of a third implementation of the fluid-assisted visual bipolar coagulation hemostasis device of the invention.
Fig. 5 is an enlarged view of a portion a of the present invention in fig. 4.
FIG. 6 is a structural section view of a third implementation of a fluid assisted, visual bipolar electro-coagulation hemostasis device of the present invention.
FIG. 7 is an exploded view of a third embodiment of the fluid assisted, visible bipolar coagulation hemostasis device of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
The inside of casing seat 2 has water supply chamber 21, the lateral wall of casing seat 2 has the side opening of connecting water pipe 22, and the side opening communicates with each other through water supply chamber 21 and the inside of outer tube 1. The sleeve seat 2 is provided with a water pipe 22, one end of the water pipe 22 is communicated with the outer sleeve 1, and the other end can be used for connecting a water supply device. When in use, the cannula holder 2 is connected with a water supply device through a water pipe 22, the water supply device adopts the existing water supply device in the prior art, and the water supply device sends clear physiological saline into the water supply cavity 21 through the water pipe 22.
The rod body 3 is arranged on the inner side of the outer sleeve 1, the lens 6 of the imaging module is fixed at the front end of the rod body 3, and a section of clear water cavity 11 is formed between the front end surface of the outer sleeve 1 and the lens 6. The part of casing seat 2 that is located its water supply cavity 21 rear side has first perforation, and casing seat 2 is worn out to the rear end of the body of rod 3, and the outer wall of the body of rod 3 and casing seat 2 fixed sealing cooperation.
The bipolar electric coagulation forceps 4 comprises two electrode forceps heads 41 which are symmetrically arranged between the rod body 3 and the outer sleeve 1, and the front ends of the electrode forceps heads 41 extend out of the outer sleeve 1. The two electrode forceps heads 41 are abutted to the tissue needing electrocoagulation, and the electrocoagulation hemostasis operation is carried out by electrifying. The other parts of the electrode forceps head 41 except the front end part are covered with insulating layers, the rear end of the electrode forceps head 41 penetrates out of the rear end of the sleeve seat 2, and can be connected with a high-frequency power supply through a lead, and the high-frequency power supply provides high voltage for the two electrode forceps heads 41.
The inside of casing seat 2 has water supply chamber 21, the lateral wall of casing seat 2 has the side opening of connecting water pipe 22, and the side opening communicates with each other through water supply chamber 21 and the inside of outer tube 1. The sleeve seat 2 is provided with a water pipe 22, one end of the water pipe 22 is communicated with the outer sleeve 1, and the other end can be used for connecting a water supply device. When in use, the cannula holder 2 is connected with a water supply device through a water pipe 22, the water supply device adopts the existing water supply device in the prior art, and the water supply device sends clear physiological saline into the water supply cavity 21 through the water pipe 22.
The rod body 3 is arranged on the inner side of the outer sleeve 1, the lens 6 of the imaging module is fixed at the front end of the rod body 3, and a section of clear water cavity 11 is formed between the front end surface of the outer sleeve 1 and the lens 6. The rear end of the rod body 3 penetrates out of the sealing connector 5, and the rod body 3 is in sliding sealing fit with the rear end of the sleeve seat 2 along the axial direction of the rod body. The distance between the lens 6 and the front end face of the outer sleeve 1 is adjusted by pulling the rod body 3 in the axial direction thereof.
Specifically, the part of the casing seat 2 located at the rear side of the water supply cavity 21 thereof is provided with a first through hole, the front end of the sealing connector 5 is detachably and fixedly connected with the rear end of the casing seat 2, and the rear end of the casing seat 2 is provided with a sealing ring 8. The rear end of the cannula holder 2 is provided with an inward depressed part which is of a circular structure and is communicated with the water supply cavity 21 through a first through hole, and the inner side wall of the depressed part is provided with an internal thread.
The front end of the sealing connector 5 is provided with a first bulge 51 integrated with the sealing connector, the front end face of the first bulge 51 is provided with a sealing groove 52 for placing the sealing ring 8, the outer side wall of the first bulge is provided with an external thread, and the front end of the sealing connector 5 is in threaded connection with the rear end of the casing seat 2. The sealing washer 8 is located the seal groove 52 of terminal surface before first bulge 51, and the outside at the body of rod 3 is established to the sealing washer 8 cover, and the front end of first bulge 51 cooperates extrusion sealing washer 8 with casing seat 2, makes the sealing washer inboard paste tightly with the body of rod 3 outer wall, plays sliding seal's effect, and is sealed to first fenestrate rear end simultaneously, prevents that the clear water in the water supply chamber 21 from leaking through first perforation.
The bipolar electric coagulation forceps 4 comprises two electrode forceps heads 41 symmetrically arranged on two sides of the front end of the rod body 3, the front ends of the electrode forceps heads 41 extend out of the outer sleeve 1, when the rod body 3 moves forwards, the two electrode forceps heads 41 are in sliding fit with the inner wall of the outer sleeve 1 and are close to each other, the two electrode forceps heads are abutted to tissues needing electric coagulation, and the electric coagulation hemostasis operation is carried out by electrifying.
Specifically, the inner wall of the front end of the outer sleeve 1 is provided with a narrowing ring 12 which extends transversely to form, the front end of the electrode forceps head 41 penetrates out of the front end face of the outer sleeve 1 through the inner side of the narrowing ring 12, and the parts of the narrowing ring 12, which are positioned at the two sides of the electrode forceps head 41, are provided with notches 121, so that the passing area of clear physiological saline can be increased, and the influence of forward movement of the rod body 3 on the flow rate of the physiological saline is reduced. The outer side of the electrode forceps head 41 is provided with an inclined side wall 411 with the inward front end, the inclined side walls 411 of the two electrode forceps heads 41 can be in contact with the narrowing ring 12 and are in sliding fit, and the front ends of the electrode forceps heads 41 are close to or away from each other.
The other parts of the electrode forceps heads 41 except the front end parts are covered with insulating layers, leads connected with the rear ends of the electrode forceps heads 41 penetrate into the rod body 3 and can be connected with a high-frequency power supply after penetrating out of the rear end of the rod body 3, and the high-frequency power supply provides high voltage for the two electrode forceps heads 41.
Example 2 the general operation of a fluid assisted visual bipolar coagulation hemostasis device is as follows: in the use process, clear normal saline is continuously fed into the water supply cavity 21 through the water pipe 22, the normal saline is discharged through the front end of the outer sleeve 1, when the front end of the outer sleeve 1 is close to the surface of a tissue, the flowing clear normal saline washes blood on the surface of the tissue, the clear water cavity 11 still keeps a clear state, clear imaging can be realized, a visual condition is provided, the condition of the surface of the tissue is conveniently and clearly observed, and the bleeding part on the surface of the tissue is found under the visual condition by moving the front end of the outer sleeve 1. Then, the rod body 3 is pushed forwards, the rod body 3 drives the two electrode forceps heads 41 of the bipolar coagulation forceps 4 to move forwards relative to the outer sleeve 1, the electrode forceps heads 41 are electrified after being contacted with bleeding parts, the bleeding parts are burnt to realize hemostasis, and the distance between the front ends of the two electrode forceps heads 41 can be adjusted according to the size of bleeding points. In embodiment 1, the movement of the rod body 3 is performed by pushing the rod body 3 in the axial direction of the rod body 3 by holding the portion thereof protruding from the sealing connection body 5 by hand.
The inside of casing seat 2 has water supply chamber 21, the lateral wall of casing seat 2 has the side opening of connecting water pipe 22, and the side opening communicates with each other through water supply chamber 21 and the inside of outer tube 1. The sleeve seat 2 is provided with a water pipe 22, one end of the water pipe is communicated with the outer sleeve 1, and the other end of the water pipe can be used for connecting a water supply device. When in use, the cannula holder 2 is connected with a water supply device through a water pipe 22, the water supply device adopts the existing water supply device in the prior art, and the water supply device sends clear physiological saline into the water supply cavity 21 through the water pipe 22.
The rod body 3 is arranged on the inner side of the outer sleeve 1, the lens 6 of the imaging module is fixed at the front end of the rod body 3, and a section of clear water cavity 11 is formed between the front end surface of the outer sleeve 1 and the lens 6. The rear end of the rod body 3 penetrates out of the sealing connector 5, and the rod body 3 is in sliding sealing fit with the rear end of the sleeve seat 2 along the axial direction of the rod body. The distance between the lens 6 and the front end face of the outer sleeve 1 is adjusted by pulling the rod body 3 in the axial direction thereof.
Specifically, the part of the casing seat 2 located at the rear side of the water supply cavity 21 thereof is provided with a first through hole, the front end of the sealing connector 5 is detachably and fixedly connected with the rear end of the casing seat 2, and the rear end of the casing seat 2 is provided with a sealing ring 8. The rear end of the cannula holder 2 is provided with an inward depressed part which is of a circular structure and is communicated with the water supply cavity 21 through a first through hole, and the inner side wall of the depressed part is provided with an internal thread.
The front end of the sealing connector 5 is provided with a first bulge 51 integrated with the sealing connector, the front end face of the first bulge 51 is provided with a sealing groove 52 for placing the sealing ring 8, the outer side wall of the first bulge is provided with an external thread, and the front end of the sealing connector 5 is in threaded connection with the rear end of the casing seat 2. The sealing washer 8 is located the seal groove 52 of terminal surface before first bulge 51, and the outside at the body of rod 3 is established to the sealing washer 8 cover, and the front end of first bulge 51 cooperates extrusion sealing washer 8 with casing seat 2, makes the sealing washer inboard paste tightly with the body of rod 3 outer wall, plays sliding seal's effect, and is sealed to first fenestrate rear end simultaneously, prevents that the clear water in the water supply chamber 21 from leaking through first perforation.
The bipolar electric coagulation forceps 4 comprises two electrode forceps heads 41 symmetrically arranged on two sides of the front end of the rod body 3, the front ends of the electrode forceps heads 41 can extend out of the outer sleeve 1, when the rod body 3 moves forwards, the two electrode forceps heads 41 are in sliding fit with the inner wall of the outer sleeve 1 and are close to each other, the two electrode forceps heads are abutted to tissues needing electric coagulation, and the electric coagulation hemostasis operation is carried out by electrifying.
Specifically, the inner wall of the front end of the outer sleeve 1 is provided with a narrowing ring 12 which extends transversely to form, the front end of the electrode forceps head 41 penetrates out of the front end face of the outer sleeve 1 through the inner side of the narrowing ring 12, the portions, located on the two sides of the electrode forceps head 41, of the narrowing ring 12 are provided with notches 121, the passing area of clear physiological saline can be increased through the notches 121, and the influence of forward movement of the rod body 3 on the flow rate of the physiological saline is reduced. The outer side of the electrode forceps head 41 is provided with an inclined side wall 411 with the inward front end, the inclined side walls 411 of the two electrode forceps heads 41 can be in contact with the narrowing ring 12 and are in sliding fit, and the front ends of the electrode forceps heads 41 are close to or away from each other.
The other parts of the electrode forceps heads 41 except the front end parts are covered with insulating layers, leads connected with the rear ends of the electrode forceps heads 41 penetrate into the rod body 3 and can be connected with a high-frequency power supply after penetrating out of the rear end of the rod body 3, and the high-frequency power supply provides high voltage for the two electrode forceps heads 41.
The utility model provides a visual bipolar coagulation hemostasis device is assisted to fluid, still includes the body of rod actuating mechanism 7 that is located the casing seat 2 rear side, and body of rod actuating mechanism 7 includes rear end seat 71, operating handle 72, rear end seat 71 is located the rear side of sealed connector 5, and its front end inserts sealed connector 5 rather than sliding fit.
The rear end seat 71 is provided with a second through hole, the rear part of the rod body 3 is positioned in the second through hole, the rear end of the rod body 3 penetrates out of the rear end seat 71, the outer side wall of the rod body 3 is fixedly connected with the inner wall of the second through hole into a whole, and the rod body 3 and the rear end seat 71 can synchronously move back and forth relative to the sealing connecting body 5 along the axial direction of the rod body 3.
The inside of the sealing connector 5 is provided with an inserting cavity 53 with an open rear end, the front side of the rear end seat 71 is provided with a second protruding part 711 with an integral structure, the second protruding part 711 of the rear end seat 71 is inserted and matched with the sealing connector 5, and the inserting cavity 53 of the sealing connector 5 plays a role in guiding the second protruding part 711. The inside of the inserting cavity 53 is provided with a return spring 73, and the return spring 73 is located at the front side of the second protruding part 711 and is sleeved on the outer side of the rod body 3. The return spring 73 is always in a compressed state, and has a front end abutting against the front side wall of the plug cavity 53 and a rear end abutting against the front end surface of the second protrusion 711.
The side wall of the second protruding part 711 is provided with a limiting groove 712 formed along the axial direction of the rod body 3, the sealing connector 5 is fixed with a pin rod 74 matched with the limiting groove 712, and the end of the pin rod 74 is inserted into the limiting groove 712 to prevent the second protruding part 711 from being removed from the insertion cavity 53 under the action of the return spring 73. The operating handle 72 is a U-shaped structure made of an elastic material, the front end of the operating handle is hinged with the sealing connecting body 5, and the rear end of the operating handle 72 is hinged with the rear end seat 71.
After the operating handle 72 is held by a hand and is firmly held, the rear end of the operating handle 72 drives the rear end seat 71 to drive the rod body 3 to move forwards, the return spring 73 is continuously compressed in the process, and after the hand is loosened, the rear end seat 71 returns under the action of the return spring 73.
The operation of the fluid-assisted visual bipolar coagulation hemostasis device in embodiment 3 is substantially the same as that of embodiment 2, except that the movement of the rod 3 in embodiment 3 is achieved by the rod driving mechanism 7, and the details are not repeated.
Parts which are not described in the invention can be realized by adopting or referring to the prior art.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. A fluid-assisted visual bipolar coagulation hemostasis device is characterized by comprising an outer sleeve, a sleeve seat, a rod body, bipolar coagulation forceps and an imaging module, wherein the rear end of the outer sleeve is fixedly and hermetically connected with the front end of the sleeve seat;
the rod body is arranged on the inner side of the outer sleeve, the lens of the imaging module is fixed at the front end of the rod body, and a section of clear water cavity is formed between the front end surface of the outer sleeve and the lens;
the rear end of the rod body penetrates out of the sleeve seat, the outer wall of the rod body is in sealing fit with the rear end of the sleeve seat, the bipolar coagulation forceps comprise two electrode forceps heads arranged between the rod body and the outer sleeve, and the front ends of the electrode forceps heads extend out of the outer sleeve;
the sleeve seat is provided with a water pipe, one end of the water pipe is communicated with the outer sleeve, and the other end of the water pipe can be used for being connected with a water supply device.
2. The device of claim 1, wherein the outer casing is a hollow tube, the casing base has a water supply chamber therein, and the side wall of the casing base has a side hole for connecting a water pipe, and the side hole is communicated with the inside of the outer casing through the water supply chamber.
3. A fluid assisted visual bipolar coagulation hemostat according to claim 1 wherein the rear end of the cannula holder is provided with a sealing connector, the portion of the cannula holder located at the rear side of the water supply chamber thereof is provided with a first perforation;
the two electrode forceps heads are symmetrically fixed on two sides of the front end of the rod body;
the front end of the sealing connector is detachably and fixedly connected with the rear end of the casing seat, the rear end of the casing seat is provided with a sealing ring, and the rod body is matched with the casing seat in a sliding sealing mode through the sealing ring.
4. A fluid assisted visual bipolar coagulation hemostat according to claim 3 wherein the rear end of the cannula holder has an inwardly directed recess communicating with the water supply chamber through the first aperture and having internal threads on its inner side wall;
the front end of the sealing connector is provided with a first bulge integrated with the sealing connector, a sealing groove for placing a sealing ring is arranged on the front end face of the first bulge, an external thread is arranged on the outer side wall of the sealing connector, and the front end of the sealing connector is in threaded connection with the rear end of the sleeve seat.
5. A fluid assisted visual bipolar coagulation hemostasis device according to claim 3 in which the inner wall of the forward end of the outer sheath has a laterally extending narrowing ring, the two electrode forceps heads slidingly engage and move towards each other with the inner wall of the outer sheath as the shaft moves forward;
the parts of the narrowing rings, which are positioned at the two sides of the electrode forceps head, are provided with notches.
6. A fluid assisted visual bipolar electrocoagulation hemostasis device according to claim 5, wherein the electrode forcer heads have inclined side walls with inward front ends on the outer sides thereof, the inclined side walls of the two electrode forcer heads can be in contact and sliding fit with the narrowing ring, and the front ends of the electrode forcer heads are close to or away from each other;
the other parts of the electrode forceps head except the front end part are covered with insulating layers, and a lead connected with the rear end of the electrode forceps head penetrates into the rod body and can be connected with a high-frequency power supply after penetrating out of the rear end of the rod body.
7. The device according to any one of claims 1 to 6, further comprising a rod driving mechanism located at the rear side of the cannula holder, wherein the rod driving mechanism comprises a rear seat and a control handle, the rear seat is located at the rear side of the sealing connector, and the front end of the rod driving mechanism is inserted into the sealing connector to be in sliding fit with the sealing connector;
the rear end of the rod body penetrates out of the rear end seat, and the outer side wall of the rod body is fixedly connected with the rear end seat;
the operating handle is a U-shaped structure made of elastic materials, one end of the operating handle is hinged with the sealing connecting body, and the other end of the operating handle is hinged with the rear end seat.
8. A fluid assisted visual bipolar coagulation hemostat according to claim 7 wherein the interior of said sealing connector has a plug cavity with an open rear end, the front side of the rear end base has a second projection of unitary construction, the second projection of the rear end base is plug-fitted into the sealing connector.
9. The device according to claim 8, wherein a return spring is disposed inside the insertion cavity, and the return spring is disposed in front of the second protrusion and sleeved outside the rod body;
the side wall of the second bulge is provided with a limit groove which is axially arranged along the rod body, and the sealing connector is provided with a pin rod matched with the limit groove.
10. A fluid assisted visualization bipolar coagulation hemostasis device as claimed in claim 1, wherein the shaft is made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732606.4A CN113413208A (en) | 2021-06-30 | 2021-06-30 | Fluid-assisted visual bipolar coagulation hemostasis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732606.4A CN113413208A (en) | 2021-06-30 | 2021-06-30 | Fluid-assisted visual bipolar coagulation hemostasis device |
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| CN113413208A true CN113413208A (en) | 2021-09-21 |
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| CN202110732606.4A Pending CN113413208A (en) | 2021-06-30 | 2021-06-30 | Fluid-assisted visual bipolar coagulation hemostasis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113907870A (en) * | 2021-11-06 | 2022-01-11 | 嘉兴市中医医院 | Hemostasis auxiliary electrocoagulation biopsy forceps |
-
2021
- 2021-06-30 CN CN202110732606.4A patent/CN113413208A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113907870A (en) * | 2021-11-06 | 2022-01-11 | 嘉兴市中医医院 | Hemostasis auxiliary electrocoagulation biopsy forceps |
| CN113907870B (en) * | 2021-11-06 | 2023-08-15 | 嘉兴市中医医院 | Hemostatic auxiliary electrocoagulation biopsy forceps |
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Inventor after: Li Guangcheng Inventor after: Wu Zeyu Inventor after: Liu Jian Inventor after: Zhang Wenyong Inventor before: Wu Zeyu Inventor before: Li Guangcheng Inventor before: Liu Jian Inventor before: Zhang Wenyong |
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Effective date of registration: 20210930 Address after: 266555 household 1204, unit 1, building 4, No. 167 Wuyishan Road, Huangdao District, Qingdao, Shandong Province Applicant after: Li Guangcheng Address before: 215168 No. 1368, Wuzhong Avenue, Wuzhong District, Suzhou City, Jiangsu Province Applicant before: Suzhou meidehou Medical Co., Ltd |