CN117017429A - Ultrasonic device for tissue coagulation and separation - Google Patents

Ultrasonic device for tissue coagulation and separation Download PDF

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Publication number
CN117017429A
CN117017429A CN202311050648.5A CN202311050648A CN117017429A CN 117017429 A CN117017429 A CN 117017429A CN 202311050648 A CN202311050648 A CN 202311050648A CN 117017429 A CN117017429 A CN 117017429A
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China
Prior art keywords
fixed sleeve
sleeve
electrode
plate
handle
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CN202311050648.5A
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Chinese (zh)
Inventor
王希
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Henan Elikunsi Medical Technology Co ltd
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Henan Elikunsi Medical Technology Co ltd
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Priority to CN202311050648.5A priority Critical patent/CN117017429A/en
Publication of CN117017429A publication Critical patent/CN117017429A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320082—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for incising tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • A61B2017/320093—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw additional movable means performing cutting operation
    • 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
    • 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
    • A61B2018/00994—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combining two or more different kinds of non-mechanical energy or combining one or more non-mechanical energies with ultrasound
    • 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
    • A61B2018/1246—Generators therefor characterised by the output polarity
    • A61B2018/1253—Generators therefor characterised by the output polarity monopolar

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Otolaryngology (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to the technical field of medical equipment, in particular to an ultrasonic device for tissue coagulation and separation. The handle shell of the device is rotatably provided with a fixed sleeve, one end of the fixed sleeve penetrates through the handle shell and is connected with a clamp head, and the fixed sleeve is provided with an opening and closing assembly for driving the clamp head to open and close; the pliers head comprises a lower pliers plate and an upper pliers plate which are identical in size and structure, monopolar electric knives are embedded in the middle parts of the lower pliers plate and the upper pliers plate, two ceramic wafer groups are arranged on the lower pliers plate and the upper pliers plate, the ceramic wafer groups are arranged in a downward inclined mode along the direction close to the monopolar electric knives, and electrode gaskets are arranged on the outer sides of the ceramic wafer groups. The invention can greatly improve the cutting coagulation effect on tissues and blood vessels, and can effectively reduce the damage phenomenon of surrounding tissues at the tissue cutting position, thereby reducing the complication risk in the operation.

Description

Ultrasonic device for tissue coagulation and separation
Technical Field
The invention relates to the technical field of medical equipment, in particular to an ultrasonic device for tissue coagulation and separation.
Background
At present, an energy instrument is often used for performing operations such as blood vessel end breaking and cutting on biological tissues in an operation, an ultrasonic surgical knife is generally adopted at present, and the ultrasonic surgical knife is high-frequency electrosurgical equipment which acts on human tissues to perform cutting and coagulation effects and does not cause side effects such as tissue drying and burning; the ultrasonic energy is converted into mechanical energy to generate high-frequency vibration by the ultrasonic transducer through electrostriction effect or magnetostriction effect, and the energy is transmitted to local tissues of a human body by the aid of the amplification and coupling effect of the amplitude transformer so as to achieve the effects of cutting, coagulating and closing the tissues of the human body. When the conventional ultrasonic surgical knife is used for cutting and coagulating human tissues, no matter the principle of vibration friction or cavitation effect is utilized, the conventional ultrasonic surgical knife is generally used for cutting thinner tissues and coagulating thinner tissues, when the conventional ultrasonic surgical knife is used for cutting and coagulating thicker blood vessels, the required time is long, the temperature of the cutter head of the ultrasonic surgical knife can be increased under the long-time running of the ultrasonic surgical knife, and the temperature of the cutter head is easy to transfer heat to surrounding tissues, so that the surrounding tissues at the tissue cutting position are damaged.
For example, chinese patent publication No. CN105310746B discloses an ultrasonic surgical knife that improves both cutting and hemostasis, but the ultrasonic surgical knife inevitably damages surrounding tissue when cutting and coagulating tissue, especially when cutting thicker tissue and cutting and coagulating thicker blood vessels, and is more likely to damage surrounding tissue. Therefore, the existing ultrasonic surgical knife has the problems of unsatisfactory tissue cutting and coagulation effects and easy damage to surrounding tissues. Therefore, it is highly desirable to provide an ultrasonic device for tissue coagulation separation.
Disclosure of Invention
The invention provides an ultrasonic device for tissue coagulation and separation, which can greatly improve the cutting coagulation effect on tissues and blood vessels, and can effectively reduce the damage phenomenon of the surrounding tissues at the tissue cutting position, thereby reducing the complication risk in the operation.
In order to achieve the above object, the technical scheme of the present invention is as follows: the utility model provides an ultrasonic device for tissue coagulation separation, includes the handle shell, the handle shell rotation is provided with fixed sleeve, fixed sleeve's one end is passed the handle shell and is connected with the binding clip, be provided with the subassembly that opens and shuts that is used for driving the binding clip to open and shut on the fixed sleeve, the binding clip is used for the fixed tissue or the blood vessel that need cut of centre gripping to reach the effect to tissue cutting, blood vessel coagulation cutting.
The forceps head comprises a lower forceps plate and an upper forceps plate with the same size and structure, the upper forceps plate is hinged with the lower forceps plate, monopolar electric knives are embedded in the middle of the lower forceps plate and the middle of the upper forceps plate, two ceramic wafer groups are arranged on the lower forceps plate and the upper forceps plate and are respectively located on two sides of the monopolar electric knives, the ceramic wafer groups are arranged in a downward inclined mode along the direction close to the monopolar electric knives, electrode gaskets are arranged on the outer sides of the ceramic wafer groups, the purpose of cutting tissues and blood vessels can be achieved through the monopolar electric knives, and ultrasonic energy can be generated under the action of the electrode gaskets and the monopolar electric knives so that the ultrasonic energy is evenly distributed between the upper forceps plate and the lower forceps plate, and the effects of tissue coagulation and blood vessel coagulation are achieved.
Further, the tail part of the lower clamp plate is connected with a U-shaped shell I connected with a fixed sleeve, and limiting holes I are formed in two sides of the U-shaped shell I; the tail part of the upper clamp plate is connected with a second U-shaped shell which is clamped in the first U-shaped shell, limiting holes II are formed in two sides of the second U-shaped shell, and the lower clamp plate and the upper clamp plate are connected in a rotating mode under the cooperation of the first U-shaped shell and the second U-shaped shell, so that the upper clamp plate and the lower clamp plate can be opened and closed up and down.
Further, the tip fixed cover that is provided with of handle shell, the inside of handle shell is provided with T shape fixed block, spacing groove and arc wall have been seted up to the upper surface of T shape fixed block, the arc wall is linked together with the spacing groove, the vertical end both sides of T shape fixed block all are provided with the baffle, fixed sheathed tube one end rotates and sets up in the arc wall.
Further, the opening and closing assembly comprises a push-pull rod movably sleeved in the fixed sleeve, one end of the push-pull rod extends to the outside of the fixed sleeve and is connected with a clamping plate, the clamping plate is rotatably arranged in the limiting groove, the other end of the push-pull rod extends to the outside of the fixed sleeve and is connected with a push-pull cross rod, the end part of the push-pull cross rod is located in a limiting hole I and a limiting Kong Erna, and the purpose of driving the upper clamp plate and the lower clamp plate to open and close is achieved through the push-pull cross rod.
Further, the opening and closing assembly further comprises a first limit baffle, a pressing sleeve, a second limit baffle and a pressing handle, the first limit baffle, the pressing sleeve and the second limit baffle are sequentially and fixedly sleeved on the fixed sleeve from left to right, the fixed sleeve is sleeved with a pressure spring positioned between the first limit baffle and the pressing sleeve, the fixed sleeve is further provided with a reset elastic sheet positioned on the outer side of the first limit baffle, the pressing handle is movably sleeved on the pressing sleeve, and the fixed sleeve can be made to do telescopic motion in the handle shell through the cooperation of the pressing handle and the pressing sleeve, so that the push-pull cross rod drives the upper clamp plate and the lower clamp plate to open and close.
Further, the lower extreme of pressing the handle extends to the outside of handle shell, the upper end both sides of pressing the handle all are provided with the pivot, the pivot rotates with the handle shell and is connected, the inboard of pressing the handle is fixed to be provided with spacing butt plate, the inside of handle shell is still fixed to be provided with the fixed plate, one side of fixed plate be provided with spacing shell fragment corresponding to spacing butt plate, under spacing shell fragment and spacing butt plate's cooperation, play spacing effect to pressing the activity of handle.
Further, a knob is sleeved on the fixed sleeve, the knob is in sliding connection with the fixed sleeve, the front end of the knob is connected with a knob end sleeve, and a limit sliding block is fixedly arranged in the knob end sleeve; the fixed sleeve is provided with a limit sliding hole matched with the limit sliding block, the limit sliding block is arranged in the limit sliding hole in a sliding mode, the handle shell is provided with a knob opening used for knob rotation, and the fixed sleeve can be driven to rotate by rotating the knob, so that the aim of driving the clamp head to rotate can be achieved, and an operator can conveniently clamp and fix tissues or blood vessels to be cut and coagulated.
Further, the ceramic wafer group comprises a plurality of ceramic gaskets which are distributed at intervals, a plurality of gasket grooves are formed in the upper surface of the lower clamp plate and the lower surface of the upper clamp plate, and the ceramic gaskets are inlaid in the gasket grooves; a plurality of electrode support plates I are arranged at intervals on two sides of the lower part of the monopolar electrotome, and the electrode support plates I are connected with the ceramic gasket; and one side of the electrode gasket close to the ceramic wafer group is provided with a plurality of electrode support plates II, and the electrode support plates II are connected with the ceramic gasket.
Further, two conduits are fixedly arranged in the fixing sleeve, one conduit is internally provided with a first electrode wire, the other conduit is internally provided with a second electrode wire, and the conduit is used for enabling the first electrode wire and the second electrode wire to pass through the fixing sleeve so as to avoid the phenomenon that the first electrode wire and the second electrode wire are wound in the fixing sleeve.
Further, the first electrode lead is electrically connected with the monopolar electric knife on the lower clamp plate, and the first electrode lead is also electrically connected with the two electrode gaskets on the upper clamp plate; the second electrode lead is electrically connected with two electrode gaskets on the lower clamp plate, and the second electrode lead is also electrically connected with a monopolar electric knife on the upper clamp plate; the electrode lead I and the electrode lead II are electrically connected with an electric connector, the electric connector can be connected to a high-frequency electric knife host, under the action of the electrode lead I and the electrode lead II, the monopole electric knife is made to be an anode or a cathode, and the electrode gasket is made to be an anode or a cathode, so that the ceramic gasket generates ultrasonic energy.
Through the technical scheme, the invention has the beneficial effects that:
the upper forceps plate and the lower forceps plate are controlled by the opening and closing assembly to perform opening and closing movements, so that the effects of clamping and fixing tissues and blood vessels can be achieved, ultrasonic energy is generated by the upper forceps plate and the lower forceps plate, the effects of coagulating tissues and blood vessels can be achieved, the effects of cutting tissues and blood vessels can be achieved, the cutting and coagulating effects of the tissues and the blood vessels can be greatly improved, the damage phenomenon of tissues around the tissue cutting position can be reduced, and the complication risk in operation can be further reduced.
The two monopolar electric knives are respectively connected with the electrode lead I and the electrode lead II, so that the two monopolar electric knives are provided with two different opposite electrodes, and the aim of cutting tissues and blood vessels is fulfilled by high-frequency energy generated by the two monopolar electric knives on the tissues.
The electrode electrotome and the electrode gasket on the upper nipper and the lower nipper are provided with two opposite electrodes under the action of the first electrode lead and the second electrode lead, so that the ceramic gasket between the electrode electrotome and the electrode gasket can vibrate at high frequency to generate ultrasonic energy, and the effects of tissue coagulation and blood vessel coagulation can be achieved through the ultrasonic energy; the ceramic gasket is arranged obliquely downwards, so that ultrasonic energy is uniformly distributed between the upper nipper and the lower nipper, and is transmitted from inside to outside, so that surrounding tissues are not easily damaged, and the cutting coagulation effect on the tissues and blood vessels is improved.
According to the invention, the fixed sleeve can be controlled to stretch in the handle shell by the cooperation of the pressing handle and the pressing sleeve, and when the fixed sleeve contracts in the handle shell, the push-pull cross rod at the end part of the push-pull rod downwards presses the upper clamp plate, so that the upper clamp plate and the lower clamp plate can be closed to clamp and fix tissues and blood vessels, and the purposes of solidifying the tissues and the blood vessels between the upper clamp plate and the lower clamp plate by ultrasonic energy are achieved.
According to the invention, through the cooperation of the limiting sliding block and the limiting sliding hole, the fixed sleeve is convenient to stretch, and simultaneously, the fixed sleeve can be driven to rotate by rotating the knob, so that the effect of adjusting the tissue clamping angle of the forceps head is achieved, and the tissue and the blood vessel can be conveniently clamped by an operator.
Drawings
FIG. 1 is a schematic view of an ultrasonic device for tissue coagulation separation according to the present invention;
FIG. 2 is a schematic view of the structure of the locking sleeve and the opening and closing assembly of the present invention;
FIG. 3 is a schematic diagram of a second embodiment of the locking sleeve and opening and closing assembly of the present invention;
FIG. 4 is a schematic view of the structure of the upper and lower vise plates of the present invention;
FIG. 5 is a schematic diagram of the structure of the upper and lower vise plates of the present invention;
FIG. 6 is a schematic structural view of a reset spring of the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 1 at A;
FIG. 8 is an enlarged schematic view of the structure at B in FIG. 1;
FIG. 9 is an enlarged schematic view of the structure at C in FIG. 4;
fig. 10 is an enlarged schematic view of the structure at D in fig. 5.
The reference numerals in the drawings are: 1 is a handle shell, 2 is a fixed sleeve, 3 is a T-shaped fixed block, 4 is a limit groove, 5 is an arc groove, 6 is a baffle, 7 is a fixed plate, 8 is a limit spring, 9 is a pressing handle, 10 is a limit bearing plate, 11 is a rotating shaft, 12 is a fixed sleeve, 13 is a lower clamp plate, 14 is a U-shaped shell I, 15 is a limit hole I, 16 is an upper clamp plate, 17 is a U-shaped shell II, 1701 is a limit hole II, 18 is a ceramic gasket, 19 is a monopolar electrotome, 20 is an electrode support plate I, 21 is an electrode gasket, 22 is an electrode support plate II, 23 is a limit baffle I, 24 is a pressing sleeve, 25 is a limit baffle II, 26 is a pressure spring, 27 is a push-pull rod, 28 is a clamping plate, 29 is a push-pull cross rod, 30 is a wire tube, 31 is a knob, 32 is a knob end sleeve, 33 is a limit slide hole, 34 is a reset spring, 35 is an electrode wire I, and 36 is an electrode wire II.
Detailed Description
The invention is further described with reference to the drawings and detailed description which follow:
in the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "lateral", "vertical", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 10, an ultrasonic device for tissue coagulation and separation comprises a handle shell 1, wherein the handle shell 1 is of a hollow structure, a fixed sleeve 12 is rotationally arranged in the handle shell 1, one end of the fixed sleeve 12 penetrates through the handle shell 1 and is connected with a clamp head, one end of the fixed sleeve 12 is inserted into the handle shell 1 and is rotationally connected with the handle shell 1, an opening and closing component for driving the clamp head to open and close is arranged on the fixed sleeve 12, and the clamp head can be driven to open and close through the opening and closing component, so that the effect of conveniently clamping human tissues is achieved.
The forceps head comprises a lower forceps plate 13 and an upper forceps plate 16 with the same size and structure, the lower forceps plate 13 and the upper forceps plate 16 are of arc structures, the upper surface of the lower forceps plate 13 and the lower surface of the upper forceps plate 16 are both sunken towards the middle, the purpose of the forceps head is to assemble ceramic wafers to the lower forceps plate 13 and the upper forceps plate 16 at an angle, so that ultrasonic energy is distributed between the lower forceps plate 13 and the upper forceps plate 16, damage to tissues to be cut or tissues around blood vessels is avoided, the upper forceps plate 16 is hinged with the lower forceps plate 13, the middle parts of the lower forceps plate 13 and the upper forceps plate 16 are embedded with a single-pole electric knife 19, the purpose of cutting tissues and blood vessels is achieved through the single-pole electric knife 19, the lower forceps plate 13 and the upper forceps plate 16 are respectively provided with two ceramic wafer groups, the ceramic wafer groups are not contacted with the single-pole electric knife 19, the ceramic wafer groups are arranged in a downward inclination mode along the direction close to the single-pole electric knife 19, the ceramic wafer groups are respectively, the ceramic wafer groups are enabled to generate ultrasonic energy to be respectively generated between the lower forceps plate 16 and the electrode plates 13, and the electrode pads are respectively arranged on the outer sides of the ceramic forceps plates 13, and the electrode pads are respectively made of the electrode pads are made of the electrode pads, and the electrode pads are respectively, and the electrode pads are made of the electrode pads and the electrode pads are respectively, and the electrode pads are made.
The tail part of the lower clamp plate 13 is connected with a U-shaped shell I14 connected with the fixed sleeve 12, two sides of the U-shaped shell I14 are provided with limiting holes I15, and the two limiting holes I15 are oppositely arranged; the tail of the upper nipper 16 is connected with a second U-shaped shell 17 which is clamped in the first U-shaped shell 14, two sides of the second U-shaped shell 17 are provided with a second limiting hole 1701, in this embodiment, the second limiting hole 1701 is provided at two sides of the second U-shaped shell 17 in a downward tilting manner, so that the push-pull cross bar 29 can push the upper nipper 16 to be closed downward, or pull the upper nipper 16 to be opened, wherein the two limiting holes 1701 are oppositely arranged.
The end fixing of handle shell 1 is provided with fixed cover 2, and fixed cover 2 rotates with fixed sleeve 12 to be connected, the inside of handle shell 1 is provided with T shape fixed block 3, spacing groove 4 and arc wall 5 have been seted up to the upper surface of T shape fixed block 3, arc wall 5 is linked together with spacing groove 4, and wherein arc wall 4 and fixed sleeve 12 assorted, when being used for placing fixed sleeve 12, still be convenient for fixed sleeve 12 be concertina movement, the vertical end both sides of T shape fixed block 3 all are provided with baffle 6, fixed sleeve 12's one end rotates the setting and is in the arc wall 5.
The opening and closing assembly comprises a push-pull rod 27 movably sleeved in the fixed sleeve 12, one end of the push-pull rod 27 extends to the outside of the fixed sleeve 12 and is connected with a clamping plate 28, the clamping plate 28 is rotatably arranged in a limiting groove 4, the limiting groove 4 is used for installing the clamping plate 28 and has a limiting effect on the clamping plate 28, the other end of the push-pull rod 27 extends to the outside of the fixed sleeve 12 and is connected with a push-pull cross rod 29, the push-pull cross rod 29 is vertically and fixedly connected with the push-pull rod 27, the push-pull rod 27 is fixedly welded in the middle of the push-pull cross rod 29, the end part of the push-pull cross rod 29 is positioned in a limiting hole I15 and a limiting hole II 1701, the push-pull cross rod 29 is in sliding connection with a U-shaped shell I14 and a U-shaped shell II 17, and the effect of controlling the opening and closing of the upper clamp plate 16 and the lower clamp plate 13 by matching the push-pull cross rod 29 with the limiting hole I15 and the limiting hole II 1701 is achieved.
The opening and closing assembly further comprises a first limit baffle 23, a pressing sleeve 24, a second limit baffle 25 and a pressing handle 9, the first limit baffle 23, the pressing sleeve 24 and the second limit baffle 25 are sequentially and fixedly sleeved on the fixed sleeve 12 from left to right, a pressure spring 26 positioned between the first limit baffle 23 and the pressing sleeve 24 is sleeved on the fixed sleeve 12, a reset spring piece 34 positioned on the outer side of the first limit baffle 23 is further clamped on the fixed sleeve 12, the pressing handle 9 is movably sleeved on the pressing sleeve 24, the reset spring piece is made of elastic steel materials, telescopic movement of the fixed sleeve 12 can be achieved through the reset spring piece 34, the pressing handle 9 rotates to drive the fixed sleeve 12 to shrink inwards towards the handle shell 1 under the action of the pressing sleeve 24, the first limit baffle 23 compresses the reset spring piece 34, the push-pull rod 27 and the push-pull cross rod 29 are always in a fixed state, the push-pull cross rod 29 presses the upper clamp plate 16 downwards, and the effect of clamping tissues and blood vessels between the upper clamp plate 16 and the lower clamp plate 13 is achieved.
The lower extreme of pressing handle 9 extends to the outside of handle shell 1, and the opening that is used for pressing handle 9 activity is offered to the bottom of handle shell 2, pressing handle 9's upper end both sides all are provided with pivot 11, pivot 11 rotates with handle shell 1 and is connected, pressing handle 9's inboard is fixed to be provided with spacing butt plate 10, handle shell 1's inside is still fixed to be provided with fixed plate 7, one side of fixed plate 7 be provided with spacing shell fragment 8 corresponding to spacing butt plate 10, spacing shell fragment 8 adopts the steel preparation that has elasticity in this embodiment to form, and spacing shell fragment 8 plays spacing effect to pressing handle 9's activity under spacing butt plate 10's effect, and after spacing butt plate 10 supported to spacing shell fragment 8, still be convenient for press handle 9 to reset through spacing shell fragment 8.
A knob 31 is sleeved on the fixed sleeve 12, the knob 31 is in sliding connection with the fixed sleeve 12, the front end of the knob 31 is connected with a knob end sleeve 32, and a limit sliding block is fixedly arranged in the knob end sleeve 32; the fixed sleeve 12 is provided with a limit sliding hole 33 matched with the limit sliding block, the limit sliding block is arranged in the limit sliding hole 33 in a sliding manner, the handle shell 1 is provided with a knob opening for rotating the knob 31, the knob 31 is rotated to drive the fixed sleeve 12 to rotate under the action of the limit sliding block and the limit sliding hole 33, and the fixed sleeve 12 drives the upper clamp plate 16 and the lower clamp plate 13 to rotate so as to achieve the effect of adjusting the tissue clamping angle of the clamp head.
The ceramic wafer groups comprise a plurality of ceramic gaskets 18 which are distributed at intervals, the number of each ceramic wafer group is 8, a plurality of gasket grooves are formed in the upper surface of the lower clamp plate 13 and the lower surface of the upper clamp plate 16, and the ceramic gaskets 18 are embedded in the gasket grooves; a plurality of electrode support pieces I20 are arranged at intervals on two sides of the lower part of the monopolar electrotome 19, and the electrode support pieces I20 are connected with the ceramic gasket 18; the electrode pad 21 is provided with a plurality of second electrode support plates 22 on one side close to the ceramic wafer group, and the second electrode support plates 22 are connected with the ceramic pad 18.
The fixed sleeve 12 is fixedly provided with two conduits 30 inside, one conduit 30 is internally provided with a first electrode lead 35, the other conduit 30 is internally provided with a second electrode lead 36, the first electrode lead 35 and the second electrode lead 36 can extend to the outside of the fixed sleeve through the conduit 30, and the first electrode lead 35 and the second electrode lead 36 are prevented from winding in the conduit 30.
The first electrode lead 35 is electrically connected with the monopolar electric knife 19 on the lower clamp plate 13, and the first electrode lead 35 is also electrically connected with the two electrode gaskets 21 on the upper clamp plate 16; the second electrode lead 36 is electrically connected with the two electrode gaskets 21 on the lower clamp plate 13, and the second electrode lead 36 is also electrically connected with the monopolar electric knife 19 on the upper clamp plate 16; the first electrode lead 35 and the second electrode lead 36 are electrically connected with an electrical connector. In this embodiment, when the first electrode lead 35 is the positive circuit line and the second electrode lead 36 is the negative circuit line, the monopolar electric knife 19 of the lower nipper 13 and the two electrode pads 21 of the upper nipper 16 are used as the positive electrodes, and the two electrode pads 21 of the lower nipper 13 and the monopolar electric knife 19 of the upper nipper 16 are used as the negative electrodes; the purpose is to carry different monopolar electricity to the electrode pads 21 of the upper and lower vise plates 16, 13 and the monopolar blade 19 so that the ceramic pad 18 vibrates at high frequencies to produce ultrasonic energy and so that the monopolar blade 19 can cut tissue, blood vessels.
The working principle of the invention is as follows: firstly, the electric connector is connected to a high-frequency electric knife host, the clamp head is moved to a tissue or a blood vessel to be cut and coagulated, then the pressing handle 9 is rotated, the pressing handle 9 drives the fixed sleeve 12 to move towards the inside of the handle shell 1 through the pressing sleeve 24, the end part of the fixed sleeve 12 slides towards the left in the arc-shaped groove 5, the first limiting baffle 23 compresses the reset elastic piece 34, the positions of the push-pull rod 27 and the push-pull cross rod 29 are unchanged in the process of moving the fixed sleeve 12 towards the inside of the handle shell 1, the push-pull cross rod 29 presses the upper clamp plate 16 downwards in the process of moving the fixed sleeve 12, and when the push-pull cross rod 29 is positioned at the right end of the first limiting hole 15 and the second limiting hole 1701, the upper clamp plate 16 is closed with the lower clamp plate 13, and the tissue or the blood vessel to be cut and coagulated is clamped and fixed. Then, through the foot switch of the high-frequency electric knife host machine and through the transmission of alternating current to the electrode lead one 35 and the electrode lead two 36 by the electric connector, the monopolar electric knife 19 and the electrode pad 21 on the upper clamp plate 16 are respectively electrified to form positive/negative poles, the monopolar electric knife 19 and the electrode pad 21 on the lower clamp plate 13 are respectively electrified to form positive/negative poles, wherein the two monopolar electric knives 19 are respectively electrified to form positive/negative poles. Under the action of the electrode support sheet I20 and the electrode support sheet II 22, the alternating current passes through the ceramic gasket 18, the ceramic gasket 18 generates high-frequency vibration, the ceramic gasket 18 generates ultrasonic energy through the high-frequency vibration, the ultrasonic energy generated by the ceramic gasket 18 on the upper clamp plate 16 and the lower clamp plate 13 is gathered between the two to coagulate clamped tissues or coagulate blood vessels, wherein the monopolar electric knife 19 cuts the clamped tissues between the two, and the ultrasonic energy in the embodiment can penetrate 50mm of tissues and cut blood vessels with the coagulation of 70 mm.
When the angle of the clamp head clamping tissue needs to be adjusted, the knob 31 is rotated, the knob 31 drives the fixed sleeve 12 to rotate through the cooperation of the limiting sliding block and the limiting sliding hole, and the fixed sleeve 12 drives the clamp head to rotate, so that the aim of adjusting the angle of the clamp head can be fulfilled, the clamp head is positioned at the angle by operation, the fixed sleeve 12 drives the first limiting baffle 23, the pressing sleeve 24, the second limiting baffle 25 and the push-pull rod 27 to synchronously rotate in the process, the end part of the fixed sleeve 12 rotates in the arc-shaped groove 5, and the push-pull rod 27 drives the clamping plate 28 to rotate in the limiting groove 4.
The above embodiments are only preferred embodiments of the invention and do not limit the scope of the invention, so all equivalent changes or modifications made by the technical solution described in the patent claims are included in the scope of the invention.

Claims (10)

1. An ultrasonic device for tissue coagulation and separation comprises a handle shell (1), and is characterized in that a fixed sleeve (12) is rotationally arranged on the handle shell (1), one end of the fixed sleeve (12) penetrates through the handle shell (1) to be connected with a clamp head, and an opening and closing assembly for driving the clamp head to open and close is arranged on the fixed sleeve (12);
the utility model provides a pair of pliers head, including big or small structure the same lower nipper (13) and last nipper (16), go up nipper (16) and lower nipper (13) and articulate mutually, unipolar electrotome (19) have all been inlayed at the middle part of lower nipper (13) and last nipper (16), all set up two ceramic wafer group on lower nipper (13) and the last nipper (16), two ceramic wafer group is located the both sides of unipolar electrotome (19) respectively, ceramic wafer group sets up along the direction downward sloping that is close to unipolar electrotome (19), ceramic wafer group's outside all is provided with electrode pad (21).
2. An ultrasonic device for tissue coagulation separation according to claim 1, characterized in that the tail part of the lower nipper (13) is connected with a U-shaped shell I (14) connected with a fixed sleeve (12), and two sides of the U-shaped shell I (14) are provided with limiting holes I (15); the tail part of the upper clamp plate (16) is connected with a U-shaped shell II (17) which is clamped in the U-shaped shell I (14), and two sides of the U-shaped shell II (17) are provided with limiting holes II (1701).
3. The ultrasonic device for tissue coagulation and separation according to claim 2, wherein a fixing sleeve (2) is fixedly arranged at the end part of the handle shell (1), a T-shaped fixing block (3) is arranged in the handle shell (1), a limit groove (4) and an arc groove (5) are formed in the upper surface of the T-shaped fixing block (3), the arc groove (5) is communicated with the limit groove (4), baffles (6) are arranged at two sides of the vertical end of the T-shaped fixing block (3), and one end of the fixing sleeve (12) is rotatably arranged in the arc groove (5).
4. An ultrasonic device for tissue coagulation and separation according to claim 3, wherein the opening and closing assembly comprises a push-pull rod (27) movably sleeved in the fixed sleeve (12), one end of the push-pull rod (27) extends to the outside of the fixed sleeve (12) and is connected with a clamping plate (28), the clamping plate (28) is rotatably arranged in the limit groove (4), the other end of the push-pull rod (27) extends to the outside of the fixed sleeve (12) and is connected with a push-pull cross rod (29), and the end part of the push-pull cross rod (29) is positioned in the first limit hole (15) and the second limit hole (1701).
5. The ultrasonic device for tissue coagulation and separation according to claim 1, wherein the opening and closing assembly further comprises a first limit baffle (23), a pressing sleeve (24), a second limit baffle (25) and a pressing handle (9), the first limit baffle (23), the pressing sleeve (24) and the second limit baffle (25) are fixedly sleeved on the fixed sleeve (12) from left to right in sequence, a pressure spring (26) positioned between the first limit baffle (23) and the pressing sleeve (24) is sleeved on the fixed sleeve (12), a reset elastic sheet (34) positioned outside the first limit baffle (23) is further clamped on the fixed sleeve (12), and the pressing handle (9) is movably sleeved on the pressing sleeve (24).
6. The ultrasonic device for tissue coagulation and separation according to claim 5, wherein the lower end of the pressing handle (9) extends to the outside of the handle shell (1), two sides of the upper end of the pressing handle (9) are provided with rotating shafts (11), the rotating shafts (11) are rotationally connected with the handle shell (1), a limiting and resisting plate (10) is fixedly arranged on the inner side of the pressing handle (9), a fixing plate (7) is fixedly arranged in the handle shell (1), and a limiting elastic sheet (8) corresponding to the limiting and resisting plate (10) is arranged on one side of the fixing plate (7).
7. The ultrasonic device for tissue coagulation and separation according to claim 1, wherein a knob (31) is further sleeved on the fixed sleeve (12), the knob (31) is in sliding connection with the fixed sleeve (12), the front end of the knob (31) is connected with a knob end sleeve (32), and a limit sliding block is fixedly arranged in the knob end sleeve (32); the handle is characterized in that a limiting sliding hole (33) matched with the limiting sliding block is formed in the fixed sleeve (12), the limiting sliding block is arranged in the limiting sliding hole (33) in a sliding mode, and a knob opening for rotating the knob (31) is formed in the handle shell (1).
8. An ultrasonic device for tissue coagulation separation according to claim 1, wherein the ceramic wafer group comprises a plurality of ceramic gaskets (18) arranged at intervals, a plurality of gasket grooves are formed in the upper surface of the lower nipper (13) and the lower surface of the upper nipper (16), and the ceramic gaskets (18) are inlaid in the gasket grooves; a plurality of electrode support pieces I (20) are arranged at intervals on two sides of the lower part of the monopolar electrotome (19), and the electrode support pieces I (20) are connected with the ceramic gasket (18); and one side of the electrode gasket (21) close to the ceramic wafer group is provided with a plurality of electrode support plates II (22), and the electrode support plates II (22) are connected with the ceramic gasket (18).
9. An ultrasound device for tissue coagulation separation according to claim 1, wherein two conduits (30) are fixedly arranged inside the fixation sleeve (12), wherein one conduit (30) is provided with a first electrode wire (35) and the other conduit (30) is provided with a second electrode wire (36).
10. An ultrasound device for tissue coagulation separation according to claim 9, wherein the electrode wire one (35) is electrically connected to a monopolar electric knife (19) on the lower jaw plate (13), the electrode wire one (35) being further electrically connected to two electrode pads (21) on the upper jaw plate (16); the second electrode lead (36) is electrically connected with two electrode gaskets (21) on the lower clamp plate (13), and the second electrode lead (36) is also electrically connected with a monopolar electrotome (19) on the upper clamp plate (16); the first electrode lead (35) and the second electrode lead (36) are electrically connected with an electric connector.
CN202311050648.5A 2023-08-21 2023-08-21 Ultrasonic device for tissue coagulation and separation Pending CN117017429A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311050648.5A CN117017429A (en) 2023-08-21 2023-08-21 Ultrasonic device for tissue coagulation and separation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311050648.5A CN117017429A (en) 2023-08-21 2023-08-21 Ultrasonic device for tissue coagulation and separation

Publications (1)

Publication Number Publication Date
CN117017429A true CN117017429A (en) 2023-11-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311050648.5A Pending CN117017429A (en) 2023-08-21 2023-08-21 Ultrasonic device for tissue coagulation and separation

Country Status (1)

Country Link
CN (1) CN117017429A (en)

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