CN116672070A - Needle type electric knife head and connecting piece - Google Patents

Needle type electric knife head and connecting piece Download PDF

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Publication number
CN116672070A
CN116672070A CN202310812834.1A CN202310812834A CN116672070A CN 116672070 A CN116672070 A CN 116672070A CN 202310812834 A CN202310812834 A CN 202310812834A CN 116672070 A CN116672070 A CN 116672070A
Authority
CN
China
Prior art keywords
needle
electric knife
head
mounting channel
piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310812834.1A
Other languages
Chinese (zh)
Inventor
周吉儿
舒芦云
吴庆龙
王浩杰
谢央央
张州艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
First Affiliated Hospital Of Ningbo University
Original Assignee
First Affiliated Hospital Of Ningbo University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by First Affiliated Hospital Of Ningbo University filed Critical First Affiliated Hospital Of Ningbo University
Priority to CN202310812834.1A priority Critical patent/CN116672070A/en
Publication of CN116672070A publication Critical patent/CN116672070A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • A61B18/1402—Probes for open surgery
    • 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
    • A61B18/1477—Needle-like probes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • 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
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1425—Needle

Abstract

The invention provides a needle type electric knife head and a connecting piece, wherein the needle type electric knife head comprises a connecting piece and an electric knife needle, the connecting piece comprises a protective sleeve, a conductive element and a first mounting channel and a second mounting channel which are arranged on the protective sleeve, the first mounting channel and the second mounting channel are positioned on two sides of the conductive element, the electric knife needle is detachably arranged on the second mounting channel, the knife head of the traditional electric knife is detachably arranged on the first mounting channel, and the needle type electric knife head is electrically connected with the electric knife needle through the conductive element on the basis of the traditional electric knife.

Description

Needle type electric knife head and connecting piece
Technical Field
The invention relates to the technical field of double eyelid surgical instruments, in particular to a needle type electrotome head and a connecting piece.
Background
The eyes of the human are distinguished from single eyelid, namely, the human eye has thicker eyelid skin, more subcutaneous tissues, more developed orbicularis oculi, more postmuscular fat and the opposite double eyelid patients. Both single and double eyelids are a human feature, but with the development of society, more and more single eyelid persons want to perform double eyelid plastic surgery. In aesthetic sense, double eyelid is an important factor, so that the eye line characteristics of a person are more obvious, and the outline of the eyes is larger when the eyes are open. However, the conditions for forming the double eyelid are different from person to person, and most formed double eyelid has obvious defects of unattractive appearance, asymmetry and the like. According to the current beauty technology, a pair of double-eyelid satisfying the loving people can be shaped completely according to the facial features of different people by means of eye plastic surgery.
Double eyelid operation requires fine operation due to the thin skin around eyes, and has high requirements on surgical instruments and surgical techniques. Traditional electrotomes used for double eyelid operation are wide and flat, the contact range of tissues in the operation process is large, skin tissues beyond the operation area are often contacted when the electrotomes are operated, thermal injury and arc burn of the tissues can be caused in the operation, the postoperative tissue reaction can be aggravated, and the incision healing is delayed or the growth of scars at the incision is aggravated. Therefore, the conventional electric knife often cannot meet the requirements of facial plastic and cosmetic surgery on instruments.
The novel integrated electrotome has the advantages of smaller size, fine operation and better operation effect, but is expensive, and cannot be popularized in most hospitals, even trimethyl hospitals. Therefore, an electrotome with low price and good operation effect is urgently needed to solve the problems encountered in the prior double eyelid operation.
Disclosure of Invention
One advantage of the present invention is to provide a needle-type electric knife head and a connecting piece, wherein the needle-type electric knife head and the connecting piece are suitable for being detachably and electrically connected to a traditional electric knife, and can be matched with the traditional electric knife to be used for other skin operations such as double eyelid operation, etc., so that a better operation effect can be achieved.
Another advantage of the present invention is to provide a needle-type electric knife head and connector, the knife head has small size and dimension, the tissue contact range is small during the operation, the occurrence rate of complications is reduced, and the post-operation cosmetic effect of the patient is more natural.
The invention further has the advantages that the needle type electric knife head and the connecting piece are provided, when the needle type electric knife head and the connecting piece are used for double eyelid operation, the integrality and the continuity of orbicularis muscles of near eyelids can be kept, meanwhile, the skin flaps of other parts are not damaged, the incision is small, the detumescence is quick, the operation time is short, the bleeding amount is small, and ideal patient satisfaction can be obtained.
Another advantage of the present invention is to provide a needle-type electric knife head and connector with an electric knife protective sleeve, which makes the needle less exposed, power concentrated, fine degree in operation, and operation safety in electric coagulation mode, and electric burn is not easy to occur.
The invention has the other advantages of providing a needle type electric knife head and a connecting piece, being capable of being directly connected with the needle of the injector, being convenient for material taking, simple in operation, lower in cost and having clinical popularization value.
Another advantage of the present invention is to provide a needle type electric knife head and a connector, wherein the needle and the connector can be designed separately, that is, the needle and the connector can be disassembled, the needle of the conventional syringe can be connected to the connector, and the needle can be further connected to the conventional electric knife through the connector, so as to save cost.
Another advantage of the present invention is to provide a needle-type electric knife head and a connecting piece, wherein the needle-type electric knife head and the connecting piece can be integrally designed, so that the needle-type electric knife head can be connected with the connecting piece in a telescopic manner, thereby preventing injury to human body in an unused state, protecting the needle-type electric knife head, and preventing pollution.
Another advantage of the present invention is to provide a needle-type electric knife head and a connecting member, wherein the connecting member has a predetermined elasticity, and can be fastened and sleeved on a conventional electric knife to ensure the safety of use.
The invention further provides a needle type electric knife head and a connecting piece, wherein the electric knife needle is detachably connected to the connecting piece through the telescopic part, so that the electric knife needle can be replaced by a common syringe needle, the materials are convenient to obtain, and the cost is low.
Another advantage of the present invention is to provide a needle-type electric knife head and a connector, wherein the needle-type electric knife head can be disposable, and is disposable, and the needle-type electric knife head does not need to be sterilized, so that the sterilization cost is saved, the cross infection is prevented, and the success of the operation is ensured.
Another advantage of the present invention is to provide a needle-type electric knife head and a connecting piece, wherein the needle head is hollow, and the hollow structure of the needle head can prevent eschar during application, which is important for dermatology, and relates to the recovery speed and the beauty of a patient, compared with a traditional solid electric knife.
The invention has the other advantage of providing a needle type electric knife head and a connecting piece, which have good clinical effect, thus being applicable to not only double eyelid operation, but also pediatric operation, oral cavity, frontal area operation, perineum operation and the like, and having wider application range.
According to one aspect of the present invention, there is provided a needle-type electric knife head adapted for detachable electrical connection to a conventional electric knife, comprising:
the connecting piece comprises a protective sleeve, a conductive element and a first mounting channel and a second mounting channel, wherein the conductive element, the first mounting channel and the second mounting channel are arranged on the protective sleeve, and the first mounting channel and the second mounting channel are positioned on two sides of the conductive element; and
the electric knife needle is detachably arranged in the second installation channel, the knife head of the traditional electric knife is detachably arranged in the first installation channel, and the electric knife needle is electrically connected with the electric knife needle through the conductive element.
The connecting piece further comprises a telescopic part, the telescopic part is arranged on the protective sleeve and communicated with the second installation channel, and the electric knife needle is arranged on the telescopic part so as to extend out of or retract into the second installation channel.
The telescopic part comprises a needle body mounting part, an elastic part, an operating part, a positioning part and a pushing part, wherein the needle body mounting part is connected with the operating part, the pushing part is arranged on the operating part and acts on the needle body mounting part through external force, the positioning part is connected with the operating part, the elastic part is longitudinally telescopic and mounted on the positioning part, and the elastic part is suitable for sleeving the outer part of the electric knife needle, and the electric knife needle is controlled to stretch and retract through the pushing part and the elastic part.
According to an embodiment, the telescopic part is integrally arranged at the side part of the protective sleeve.
According to an embodiment, the connecting member includes a connecting assembly, and the connecting assembly includes at least one first connecting element and at least one second connecting element, which are respectively disposed on the protective sleeve and the telescopic portion, and the first connecting element and the second connecting element are detachably connected, so that the telescopic portion is detachably mounted on the protective sleeve.
Wherein the first connecting element and the second connecting element are matched and are buckles, clamping grooves, guide rails, guide grooves or magnetic elements.
The electric knife needle comprises a needle connecting end, a needle body and a needle head, wherein the needle body is connected between the needle connecting end and the needle head and is connected with the connecting piece through the needle connecting end.
The electric knife needle is provided with a needle channel, the needle channel is arranged on the needle body and the needle head, the needle head is inclined, and the front end face of the needle channel is inclined.
Wherein the needle head is 2mm-5mm, and the needle body is 2cm-4cm.
Wherein the head end of the protective sleeve is tapered, and the protective sleeve has preset elasticity and flexibility.
According to another aspect of the present invention, there is provided a needle-type electric knife head connector adapted for detachably connecting an injection needle and a conventional electric knife, comprising:
a protective sleeve, the protective sleeve is provided with a connecting groove;
the telescopic part is matched with the connecting groove so as to be installed in the connecting groove;
a conductive element disposed on the protective sleeve; and
the electric knife head comprises a protective sleeve, a conductive element, a knife head and a needle, wherein the protective sleeve is provided with a first mounting channel and a second mounting channel, the first mounting channel and the second mounting channel are arranged on the protective sleeve, the first mounting channel and the second mounting channel are positioned on two sides of the conductive element, and the conductive element can conduct a circuit between the knife head arranged on the first mounting channel and the needle arranged on the second mounting channel.
The telescopic part is arranged on the protective sleeve, is positioned at the rear side of the second installation channel and is communicated with the second installation channel, and the injection needle is arranged on the telescopic part so as to extend out of or retract into the second installation channel.
The connecting assembly comprises at least one first connecting element and at least one second connecting element, the first connecting element and the second connecting element are respectively arranged on the protective sleeve and the telescopic part, and the first connecting element and the second connecting element are detachably connected, so that the telescopic part is detachably arranged on the protective sleeve.
The telescopic part comprises a needle body mounting part, an elastic part, an operating part, a positioning part and a pushing part, wherein the needle body mounting part is connected with the operating part, the pushing part is arranged on the operating part and acts on the needle body mounting part through external force, the positioning part is connected with the operating part, the elastic part is longitudinally telescopic and mounted on the positioning part, and the elastic part is suitable for sleeving the outer part of the electric knife needle, and the expansion and the contraction of the injection needle are controlled through the pushing part and the elastic part.
The head end of the protective sleeve is an inclined end surface, and the protective sleeve has preset elasticity and flexibility.
Drawings
Fig. 1 is a schematic view of a needle type electric knife head according to a first preferred embodiment of the present invention.
Fig. 2 is an exploded view of the needle type electric knife head according to the above first preferred embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of the needle-type electric knife head according to the above first preferred embodiment of the present invention.
Fig. 4 is a partially exploded view of the needle-type electric knife head according to the above first preferred embodiment of the present invention.
Fig. 5 and 6 are schematic views of an assembling process of the needle type electric knife head according to the above first preferred embodiment of the present invention.
Fig. 7 is a schematic view of a needle type electric knife head according to a second preferred embodiment of the invention.
Fig. 8 is a schematic cross-sectional view of the needle-type electric knife head according to the above second preferred embodiment of the present invention.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present invention.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
Referring to fig. 1 to 6, a needle type electric knife head according to a first preferred embodiment of the present invention is illustrated. In this embodiment, the needle-type electric scalpel head is suitable for being detachably and electrically connected to a traditional electric scalpel, changes the wide and flat conditions of the traditional electric scalpel, reduces the size of the cutter head, has a good operation effect of the cutter head with a small size, small incision and small bleeding amount after being connected with the traditional electric scalpel, remarkably reduces complications, is more suitable for being applied to double eyelid operation, pediatric operation, oral cavity, frontal operation, perineum operation and the like, has lower cost, and is suitable for clinical popularization and application.
The needle type electric knife head comprises a connecting piece 10 and an electric knife needle 20, wherein the electric knife needle 20 is detachably connected to the connecting piece 10, the connecting piece 10 is further detachably connected to a traditional electric knife 30, the electric knife needle 20 is further electrically connected to the traditional electric knife 30, hemostasis is achieved through electric coagulation, and the needle type electric knife head is further applied to skin cosmetic surgery of operation dermatology, gynecology, beauty and the like.
The connector 10 comprises a protective sleeve 11, a telescopic part 12, two connecting components 13 and a first mounting channel 14 and a second mounting channel 15, wherein the first mounting channel 14 and the second mounting channel 15 are mutually independent and are arranged on the protective sleeve 11 so as to be respectively used for mounting a cutter head of a traditional electric cutter and the electric cutter needle 20. Wherein the telescopic part 12 is disposed at the rear end of the second mounting channel 15 and detachably connected to the side rear part of the protective sleeve 11, the electric knife needle 20 is mounted on the second mounting channel 15 in a telescopic manner by the telescopic part 12, and the electric knife needle 20 is replaced by detaching the telescopic part 12, so as to meet more requirements.
The connecting assembly 13 includes at least one first connecting element 131 and at least one second connecting element 132, the first connecting element 131 and the second connecting element 132 being mounted to the protective sheath 11 and the telescopic portion 12, respectively, the first connecting element 131 and the second connecting element 132 being connected by connecting the telescopic portion 12 to the protective sheath 11. Wherein the first connecting element 131 is disposed at a side portion of the first mounting channel 14, and the second connecting element 132 is disposed at a side portion of the telescopic portion 12, so as to attach the telescopic portion 12 to the protective sleeve 11.
The first connection element 131 and the second connection element 132 may be implemented as a buckle and a slot, may be implemented as a magnetic structure, may be implemented as a guide rail and a guide groove, and may be capable of connecting the protective sleeve 11 with the telescopic portion 12.
The needle-type electric knife head 10 further comprises a conductive element 18, wherein the conductive element 18 is arranged inside the protective sleeve 11 and is electrically connected with the telescopic part 12, that is, the conductive element 18 can be divided into two parts, one part is arranged on the protective sleeve 11, the other part is arranged on the telescopic part 12 and extends to the electric knife needle 20, so that the knife head of the traditional electric knife 30 is electrically connected with the conductive element 18, the electric knife needle 20 is also electrically connected with the conductive element 18, the purpose that the electric knife needle 20 is electrically connected with the traditional electric knife 30 through the conductive element 18 is achieved, and the electric knife needle 20 can be applied to an electric cutting operation by normal electrifying the traditional electric knife 30, thereby facilitating the electric coagulation cutting and hemostasis in the operation process. To complete an electrical circuit between the electrical blade pin 20 and the blade head of the conventional electrical blade 30.
When the tool bit of the conventional electric knife 30 is mounted on the first mounting channel 14, the conductive element 18 is electrically connected to the conventional electric knife 30, the conductive element 18 is further electrically connected to the electric knife needle 20 mounted on the second mounting channel 15, and the conductive element 18 may be configured as a plurality of electrical connection points or may be configured as a metal sheet. By turning on the switch of the conventional electric knife 30, the electric power is supplied to the knife head of the conventional electric knife 30, and the electric power is transmitted to the electric knife needle 20 through the conductive element 18, so that the electric knife needle 20 can be applied to the operation, and the electric coagulation hemostasis is performed while the skin is incised.
The protecting sleeve 11 is long and is matched with the cutter head of the conventional electric knife 30 in size so as to be sleeved outside the cutter head of the conventional electric knife 30, and the cutter head of the conventional electric knife is about 2.4cm, so that the protecting sleeve 11 is long and matched with the cutter head of the conventional electric knife.
The front end of the protective sleeve 11 is tapered, so that the electric knife needle 20 can be mounted in front of the side of the knife head of the traditional electric knife 30, and the sight of a user is prevented from being influenced in the application process, so that a clear surgical field is ensured.
In addition, it should be noted that the protective sleeve 11 has a predetermined elasticity, and can be fastened to the outside of the cutter head of the conventional electric knife 30, and the protective sleeve 11 is made of an insulating layer material, so as to prevent electric shock, injury to the user and patient, and ensure safety during use.
In order to reduce the size, the protective sleeve 11 is thinner, can be tightly attached to the outside of the cutter head of the traditional electric knife 30, has elasticity and is convenient to detach, wherein the protective sleeve 11 is suitable for being made of rubber or plastic, and the like, can meet the requirement of firm installation, and can prevent electric conduction, so that under the condition that the protective sleeve 11 blocks a power supply, electric burn is not easy to occur in operation.
The first mounting channel 14 and the second mounting channel 15 are arranged longitudinally adjacent and independently of each other in the protective sleeve 11. When the tool bit of the conventional electric knife 30 and the electric knife needle 20 are respectively mounted inside the first mounting channel 14 and the second mounting channel 15, the tool bit of the conventional electric knife 30 and the electric knife needle 20 are respectively clung to two sides of the connecting component 13, so that the tool bit of the conventional electric knife 30 and the electric knife needle 20 conduct electricity through the connecting component 13. The electric conduction condition of the electric knife needle 20 is controlled by operating the traditional electric knife 30, and the size of the knife head used in the operation can be changed under the condition of not changing the traditional electric knife, so that the electric knife is simple and convenient.
Since the protective sheath 11 further has an inclined surface 16, the inclined surface 16 is disposed at the front end of the protective sheath 11 and in front of the first mounting channel 14 to reduce the lateral dimension in front of the protective sheath 11, so that the lateral dimension of the portion where the second mounting channel 15 is disposed is smaller, and the needle size interface of the syringe is compounded, thus preventing the influence on the visual field of the user.
The protection sleeve 11 further has a connection groove 17, the connection groove 17 is disposed on the side surface of the protection sleeve 11, and the connection groove 17 is located at the rear of the second installation channel 15, so as to be used for installing the telescopic portion 12, so that the shape and the size of the connection groove 17 are matched with those of the telescopic portion 12, and the telescopic portion 12 is installed in the connection groove 17 to form an integral structure with the protection sleeve 11, so that the protection sleeve is attractive in appearance, and is more convenient for a user to hold.
It should be noted that, the telescopic portion 12 is made of a harder material to connect the electric knife needle 20, and then the electric knife needle 20 is inserted into the second mounting channel 15, so the protective sleeve provided with the second mounting channel 15 may be made of a harder material or a soft material, but the protective sleeve 11 provided with the first mounting channel 14 is made of a soft material.
That is, the protective cover 11 may be made of soft material, but the portion where the connecting component 13 is disposed is made of harder material to connect the telescopic portion. The protective sleeve can also be made of soft materials and harder materials.
The telescopic part 12 includes a needle mounting member 121, an elastic member 122, an operating member 123, a positioning member 124, and a pushing member 125, wherein the needle mounting member 121 is connected to a front end of the operating member 123, the pushing member 125 is disposed at a side portion of the operating member 123 and acts on the needle mounting member 121 to push the electric knife needle 20 to move, the elastic member 122 is implemented as a spring, is sleeved on an outer portion of the electric knife needle 20, and is longitudinally telescopic and installed in the positioning member 124, the positioning member 124 is connected to the operating member 123, and by operating the pushing member 125, an external force is applied to the needle mounting member 121 to push the needle mounting member 121 to move forward, so that the electric knife needle 20 mounted on the needle mounting member 121 moves forward, and extends out of the second mounting channel 15 to perform a corresponding surgical operation.
The telescopic part 12 is integrally and detachably connected to the protective sleeve 11, so that the electric knife needle 20 is suitable for being taken out from the second installation channel 15, thereby being convenient for replacement and sterilization, and the electric knife needle 20 with different sizes can be replaced according to actual use requirements. Because of the detachable connection between the needle body mounting part 121 and the electrotome needle 20, the replacement is convenient, the operation is simple, and the electrotome needle is suitable for multiple occasions.
When the electric knife needle 20 is not needed, the electric knife needle 20 can be retracted into the second mounting channel 15 by operating the telescopic part 12, so that the needle head of the electric knife needle 20 is prevented from being exposed, and the electric knife needle is extended out of the second mounting channel 15 when in use. Therefore, the telescopic design can protect the user and the patient, and is beneficial to preventing pollution.
The electric knife needle 20 comprises a needle connecting end 21, a needle body 22, a needle head 23 and a needle channel 24, wherein the needle connecting end 21 is arranged at the tail end of the needle body 22 and is suitable for being mounted on the needle body mounting piece 121, the needle head 23 is integrally designed with the front end of the needle body 22, and the needle channel 24 penetrates through the needle head 23 from the tail end of the needle body 22. That is, the electric knife needle 20 is similar to a syringe needle, so that in practical use, the needle can be removed from the disposable sterile syringe (5 mL) with needle and installed in the telescopic portion 12 and the second installation channel 15 for use, and thus, the cost is low, the materials are easily available, and the installation is simple.
In this embodiment, the electric knife needle 20 may be replaced by a syringe needle, and the electric knife needle may be connected to the telescopic part 12 by removing the needle from the syringe, and then connected to a conventional electric knife through the protective sleeve 11. Therefore, through will connecting piece 10 detachable cup joints behind traditional electrotome's head, will electrotome needle 20 or syringe needle install in connecting piece 10, and then be connected with traditional electrotome's head electricity and carry out the operation, electrotome needle 20's cross-sectional dimension is less, compares in traditional wide flat electrotome head, and cross-sectional dimension is less, and the in-process contact is less human tissue, and is more sharp moreover, can cut skin tissue in place by one step, reaches better operation effect, and with low costs can draw materials locally moreover, easy operation.
In the practical application process, the rear end of the needle body 22 is mounted on the needle body mounting member 121, the retractable portion is operated to enable the needle head 23 to extend out of the second mounting channel 15, the needle body 22 is left in the second mounting channel 15, and the length of the needle body 22 is matched with the length of the cutter head of the conventional electrotome 30, so that the length of the needle body 22 is preferably 2cm-5cm, and the needle body can extend out by adjusting the length. The length of the needle 23 is 2mm-5mm, in the double eyelid operation, the length of the needle 23 is 3mm, the size is small, the cross-sectional area is small, the contact with human tissues is small, and the degree of fine operation can be achieved under the condition of meeting the requirement, so that the incision is small, the detumescence is quick, the safety is high, the surgical effect is better, and the double eyelid operation device is suitable for clinical popularization and application.
In addition, it should be noted that the needle 23 is inclined, and the needle passage 24 is inclined at the needle 23. Compared with the traditional wide and flat electric knife head, the inclined shape of the needle head 23 ensures that the needle head 23 is sharper, the cross section size is smaller, the needle head is sharper in operation, and clinical experiment results show that the skin tissue can be cut smoothly and rapidly, thereby being beneficial to shortening the operation time and reducing the bleeding amount.
Compared with the traditional electric scalpel, the needle-type electric scalpel provided by the invention has the advantages of simplicity and convenience in operation, small incision, short operation time, small bleeding amount, rapid detumescence, uniform outline when the eye of the patient is opened by visual inspection after treatment, smooth eyelid line and radian, no incision trace in the eye, capability of keeping the integrity and continuity of the orbicularis oculi of the near face, no damage to the eyelid flaps of other parts, more natural postoperative cosmetic effect of the patient, and capability of remarkably reducing the incidence rate of complications in the double eyelid incision plastic surgery.
In addition, the tool heads of the conventional electric knife are all solid structures, and the electric knife needle 20 in the invention is provided with the needle channel 24, namely, the electric knife needle 20 is hollow. While the presence of the needle channel 24 effectively prevents eschar formation, it has been found in clinical trials that conventional solid electrosurgical blades tend to eschar during surgery, whereas the hollow electrosurgical needle 20 of the present invention does not eschar during use, providing a good surgical outcome and high patient satisfaction after surgery.
The connection between the needle type electric knife head and the conventional electric knife in this embodiment may be divided into two types, that is, the protective sleeve 11 and the telescopic part 12 are connected together, and then are sleeved on the conventional electric knife 30. In this way, the protective sleeve 11, the telescopic part 12 and the electrotome needle 20 are suitable for being taken as a whole, the disassembly is convenient, disposable accessories can be used, the disinfection is not needed, the disinfection cost is saved, the disinfection time is saved, the simplicity and convenience are realized, and the cost is lower.
Another way is that the protective sleeve 11 is a disposable article, and the use requirement is met by replacing different telescopic parts 12 and connecting different electric knife needles 20, so that the cost is lower and the application range is wider.
It should be noted that, referring to fig. 5 and fig. 6, before and during application, the length of the electric knife needle 20 extending out of the front end of the protective sleeve 11 can be adjusted by the pushing member 125, so as to meet the requirements of different surgical sites of different users, and in the application, a doctor can adjust the electric knife needle at any time without changing needles with different lengths.
Specifically, when the doctor holds the telescopic part 12 to operate during the operation, and needs to adjust the length of the electric knife needle 20 extending out of the front end of the protective sleeve 11, an external force can be applied forward or backward to the pushing member 125 disposed on the side of the telescopic part 12, so that the extending length of the electric knife needle 20 can be changed. Through will bulldoze piece 125 push-and-pull to different gears for electric knife needle 20 stretches out different length, just so can satisfy the demand of different operation positions, need not to change electric knife needle repeatedly or stop the operation and change other apparatuses, has improved operation efficiency from the apparatus aspect, further through the electric coagulation hemostasis, is favorable to reducing the volume of bleeding, guarantees the aesthetic measure of dermatological operation.
It should be further noted that, although the pushing member 125 has several predetermined steps to control the extending length of the electric knife needle 20, the user can further change the extending length of the electric knife needle by changing the electric knife needle with different length to meet more demands.
Referring to fig. 7 to 8, a needle type electric knife head according to a second preferred embodiment of the present invention is shown. In this embodiment, the needle type electric knife head comprises a connector 10A and an electric knife needle 20A, wherein the electric knife needle 20A is installed inside the connector 10A and extends out of the front end of the connector 10A to perform corresponding operation.
Unlike the first preferred embodiment described above, in the first embodiment described above, the connector includes a protective sheath and a telescoping portion detachably connected so that the electric knife needle is detachably connected to the connector. In the present embodiment, the extension portion and the protective sheath are integrally provided, and the electric knife needle is integrally fixed to the extension portion.
That is, the needle-type electric knife head in the embodiment is of an integrated structure, can be used for disinfection and reuse, can also be used as a disposable accessory to be connected with a traditional electric knife, can be thrown when being used up, and saves disinfection cost.
Specifically, in the present embodiment, in which the electric knife needle 20A is integrally provided to the connector 10A, it is not replaceable, and it is disposable without sterilization.
The connector 10A includes a protective sleeve 11A, a telescopic portion 12A, a conductive element 18A, and a first mounting channel 14A and a second mounting channel 15A, where the telescopic portion 12A is integrally disposed on a side portion of the protective sleeve 11A, and the first mounting channel 14A and the second mounting channel 15A are mutually independent and disposed on the protective sleeve 11A, and are respectively mounted with the conventional electric knife 30 and the electric knife needle 20A.
The telescopic part 12A is located at the rear part of the second installation channel 15A and is in communication with the second installation channel 15A, the electric knife needle 20A is connected to the telescopic part 12A and then is installed in the second installation channel 15A, and the length of the electric knife needle 20A extending out of the second installation channel 15A is adjusted through the telescopic part 12A.
As in the previous embodiment, the telescopic portion 12A includes a needle mounting member, an elastic member, an operating member, a positioning member and a pushing member, where the needle mounting member is connected to a front end of the operating member, and the pushing member is disposed on a side portion of the operating member and acts on the needle mounting member to push the electric knife needle 20A to move, and the elastic member is implemented as a spring, is sleeved on an outer portion of the electric knife needle 20A, and is longitudinally telescopic and installed inside the positioning member, and the positioning member is connected to the operating member, so that by operating the pushing member, an external force is applied to the needle mounting member to push the needle mounting member to move forward, compressing the elastic member, so that the electric knife needle 20A mounted on the needle mounting member moves forward, and extends out of the second mounting channel 15A to perform a corresponding surgical operation.
The telescopic part 12A is integrally connected to the protective sleeve 11A, so that the electric knife needle 20A is suitable for extending from the second mounting channel 15A, and the extending length of the electric knife needle 20A can be adjusted according to actual use requirements. Therefore, the device is convenient to replace, simple to operate and suitable for application in multiple occasions.
When the electric knife needle 20A is not needed, the electric knife needle 20A can be retracted into the second mounting channel 15A by operating the telescopic part 12A, so that the needle head of the electric knife needle 20A is prevented from being exposed, and the electric knife needle is extended out of the second mounting channel 15A when in use. Therefore, the telescopic design can protect the user and the patient, and is beneficial to preventing pollution.
The electrotome needle 20A includes a needle connecting end disposed at the distal end of the needle body and adapted to be mounted to the needle body mount, a needle body integrally designed with the front end of the needle body, a needle head having a needle passage extending through the needle head from the distal end of the needle body. That is, the electric knife needle is similar to a syringe needle, so that in the practical application process, the injection needle can be taken from the disposable sterile syringe (5 mL) with the needle, and is mounted in the telescopic part 12 and the second mounting channel for use, so that the cost is low, the materials are conveniently obtained, and the mounting is simple.
The conductive element 18A is disposed on the protective sleeve 11A and electrically connected to the conventional electric knife 30 and the electric knife needle 20A, the circuit between the conventional electric knife 30 and the electric knife needle 20A is conducted through the conductive element 18A, and the conventional electric knife 30 is normally started, so that the electric knife needle 20A replaces the knife head of the conventional electric knife 30 to perform the operation.
The electric scalpel needle 20A has the advantages of small surgical wound surface, less bleeding, attractive appearance, good recovery effect, no eschar formation and good postoperative feel of patients due to the small section size of the scalpel head. Compared with the integrated needle type surgical instrument, the cost is low, the materials are convenient to obtain, and the cost is saved.
Specifically, in the practical application process, the rear end of the needle body is mounted on the needle body mounting member, the telescopic part is operated to enable the needle head to extend out of the second mounting channel 15A, the needle body is left in the second mounting channel 15A, and the needle body is matched with the length of the cutter head of the conventional electrotome 30, so that the length of the needle body is preferably 2cm-5cm, and the needle body can extend out of a preset length through adjustment. The length of the needle head is 2mm-5mm, in double eyelid operation, the length of the needle head is 3mm, the size is small, the cross-sectional area is small, the contact with human tissues is small, and the degree of fine operation can be achieved under the condition of meeting the requirement, so that the incision is small, the detumescence is quick, the safety is high, the surgical effect is better, and the surgical needle head is suitable for clinical popularization and application.
In addition, it should be noted that the needle head is inclined, and the needle channel is inclined at the needle head. Compared with the traditional wide and flat electric knife head, the inclined needle head of the invention has sharper needle head, smaller section size and sharper operation, and clinical experiment results show that the skin tissue can be cut smoothly and rapidly, thereby being beneficial to shortening the operation time and reducing the bleeding amount.
The hollow electrotome needle 20A of this embodiment is capable of preventing eschar formation, as compared to a solid conventional electrotome head, consistent with the aesthetic appeal of patient use.
The front end of the protective sleeve 11A is inclined like the above embodiment, and does not affect the surgical field, and will not be described in detail here.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are by way of example only and are not limiting. The objects of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been shown and described in the examples and embodiments of the invention may be modified or practiced without departing from the principles described.

Claims (15)

1. A needle-type electric knife head adapted to be detachably electrically connected to a conventional electric knife, comprising:
the connecting piece comprises a protective sleeve, a conductive element and a first mounting channel and a second mounting channel, wherein the conductive element, the first mounting channel and the second mounting channel are arranged on the protective sleeve, and the first mounting channel and the second mounting channel are positioned on two sides of the conductive element; and
the electric knife needle is detachably arranged in the second installation channel, and the knife head of the traditional electric knife is detachably arranged in the first installation channel and is electrically connected with the electric knife needle through the conductive element.
2. The needle-type electric knife head of claim 1, wherein the connector further comprises a telescoping portion disposed on the protective sheath and in communication with the second mounting channel, the electric knife needle being mounted to the telescoping portion to extend or retract from the second mounting channel.
3. The needle-type electric knife head according to claim 2, wherein the telescopic part comprises a needle body mounting member, an elastic member, an operating member, a positioning member and a pushing member, the needle body mounting member is connected to the operating member, the pushing member is disposed on the operating member and acts on the needle body mounting member by external force, the positioning member is connected to the operating member, the elastic member is longitudinally telescopic mounted on the positioning member, and the elastic member is adapted to be sleeved on the outside of the electric knife needle, and the telescopic of the electric knife needle is controlled by the pushing member and the elastic member.
4. A needle-type electric knife head according to claim 3, wherein the telescoping portion is integrally provided on a side of the protective sheath.
5. A needle hub as defined in claim 3, wherein said connector comprises a connector assembly including at least a first connector element and at least a second connector element disposed on said protective sheath and said telescoping portion, respectively, said first connector element and said second connector element being detachably connected such that said telescoping portion is detachably mounted to said protective sheath.
6. The needle-type electric knife head of claim 5, wherein the first and second connection elements mate as snaps and detents, rails and channels, or magnetic elements.
7. A needle-type electric knife head according to any one of claims 1 to 6, wherein the electric knife needle comprises a needle connecting end, a needle body and a needle head, the needle body being connected between the needle connecting end and the needle head, and being connected to the connecting member through the needle connecting end.
8. The needle-type electric knife head of claim 7, wherein the electric knife needle has a needle channel, the needle channel being provided to the needle body and the needle head, wherein the needle head is inclined, and a front end surface of the needle channel is inclined.
9. The needle-type electric knife head of claim 8, wherein the needle head is 2mm-5mm and the needle body is 2cm-4cm.
10. The needle-type electric knife head according to any one of claims 1 to 6, wherein the head end of the protective sheath is tapered, and the protective sheath has predetermined elasticity and flexibility.
11. A needle type electric knife head connecting piece suitable for detachably connecting an injection needle and a traditional electric knife, comprising:
a protective sleeve, the protective sleeve is provided with a connecting groove;
the telescopic part is matched with the connecting groove so as to be installed in the connecting groove;
a conductive element disposed on the protective sleeve; and
the electric knife head comprises a protective sleeve, a conductive element, a knife head and a needle, wherein the protective sleeve is provided with a first mounting channel and a second mounting channel, the first mounting channel and the second mounting channel are arranged on the protective sleeve, the first mounting channel and the second mounting channel are positioned on two sides of the conductive element, and the conductive element can conduct a circuit between the knife head arranged on the first mounting channel and the needle arranged on the second mounting channel.
12. The needle-type electric knife head connector of claim 11, wherein the telescoping portion is disposed on the protective sleeve at a rear side of the second mounting channel and in communication therewith, the injection needle being mounted to the telescoping portion to extend or retract from the second mounting channel.
13. The needle-type electric knife head connector of claim 12, wherein the connector assembly includes at least a first connector element and at least a second connector element disposed on the protective sheath and the telescoping portion, respectively, the first connector element and the second connector element being detachably connected such that the telescoping portion is detachably mounted to the protective sheath.
14. The needle-type electric knife head connecting piece according to claim 13, wherein the telescopic part comprises a needle body mounting piece, an elastic piece, an operating piece, a positioning piece and a pushing piece, the needle body mounting piece is connected to the operating piece, the pushing piece is arranged on the operating piece and acts on the needle body mounting piece through external force, the positioning piece is connected to the operating piece, the elastic piece is longitudinally telescopic and mounted on the positioning piece, and the elastic piece is suitable for sleeving on the outer part of the electric knife needle, and the telescopic of the injection needle is controlled through the pushing piece and the elastic piece.
15. A needle-type electric knife head connector according to any one of claims 11 to 14, wherein the head end of the protective sleeve is a beveled end surface, the protective sleeve having a predetermined elasticity and flexibility.
CN202310812834.1A 2023-07-04 2023-07-04 Needle type electric knife head and connecting piece Pending CN116672070A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310812834.1A CN116672070A (en) 2023-07-04 2023-07-04 Needle type electric knife head and connecting piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310812834.1A CN116672070A (en) 2023-07-04 2023-07-04 Needle type electric knife head and connecting piece

Publications (1)

Publication Number Publication Date
CN116672070A true CN116672070A (en) 2023-09-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310812834.1A Pending CN116672070A (en) 2023-07-04 2023-07-04 Needle type electric knife head and connecting piece

Country Status (1)

Country Link
CN (1) CN116672070A (en)

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