CN210872004U - Electrotome pen capable of switching multiple electrodes - Google Patents

Abstract

The utility model discloses an electrotome pen capable of switching a plurality of electrodes, which comprises a pen body and a pen end, pen cap and cutting switch and the electricity congeals the switch of setting in the tip side, the tip is inside to be hollow structure, the tip is connected with a body and is link up, the internal surface of a body is equipped with the internal thread, the inside of a body is equipped with the rotating head with internal thread looks spiro union, a plurality of cylindricality chambeies have been seted up to the inside of rotating head, ball pen telescopic machanism is all installed to every cylindricality intracavity, there is the electrode that is located tip inside at every ball pen telescopic machanism's front end through insulator fixed mounting, the arc draw-in groove has been seted up to the front end bilateral symmetry of tip, the bottom of pen cap is equipped with the switch, the inside bottom of pen cap is equipped with the battery of being connected with the switch electricity, the battery top is equipped with the sterilamp of being connected with the switch. The utility model can switch different electrodes at any time, hide the electrodes, adjust the using length and sterilize the electrodes.

Description

Electrotome pen capable of switching multiple electrodes

Technical Field

The utility model relates to the field of medical equipment, specifically be an electrotome pen of changeable a plurality of electrodes.

Background

The multifunctional surgical dissector (electrocoagulation cutter) is widely applied in the field of surgical operations, is widely applied in clinical various, and has a head end with a flat head and a pointed head and can be detached. The head end and the tip end in the electrocoagulation cutting part are easy to cause acupuncture injury during medical care delivery, and occupational exposure risk is generated; 2. the electrocoagulation cutting is uniform in short length, cannot be changed according to actual conditions, and can cause the risk of damaging tissues of normal parts of patients due to overlong cutting; 3. the tip type of the coagulation cutting part is easy to cause tip damage after contacting with surgical instruments for many times in clinical application.

In order to solve the problems, the existing electric knife pen realizes the adjustment of the length of the electrode in the form of a telescopic mechanism such as a telescopic rod; the electrode is sleeved with a protective sleeve and the like to prevent stabbing, the adjusting mode is limited, the efficiency is low, and the protective sleeve is easy to lose; the types of the installed electrodes are single, and the electrodes are easily polluted under the condition of short-time idle; therefore, we have designed an electric pencil that can switch multiple electrodes.

SUMMERY OF THE UTILITY MODEL

For solving the problem that the background art exists, the utility model provides an electrotome pen of changeable a plurality of electrodes.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an electrotome pen capable of switching a plurality of electrodes, which comprises a pen body, a pen end, a pen cap, a cutting switch and an electric coagulation switch arranged on the side surface of the pen end, wherein the interior of the pen end is of a hollow structure, the pen end is communicated with the pen body, the internal surface of body of a writing brush is equipped with the internal thread, the inside of body of a writing brush is equipped with the rotating head with internal thread looks spiro union, the surface of rotating head is equipped with the external screw thread with internal thread matched with, a plurality of cylindricality chambeies have been seted up to the inside of rotating head, ball telescopic machanism is all installed to every cylindricality intracavity, there is the inside electrode that is located the tip of a writing brush in every ball telescopic machanism's front end through insulator fixed mounting, the arc draw-in groove has been seted up to the front end bilateral symmetry of tip of a writing brush, the bottom of cap of a writing brush is equipped with the switch, the inside bottom of cap of a writing brush is equipped with the battery of being connected with the switch.

Furthermore, the ball-point pen telescopic mechanism is by pressing key cap, ratchet group, push rod, spring and the bump of blocking the spring top, and the one end of push rod is inserted and is established in the ratchet group that cup joints mutually, and the one end of ratchet group is pegged graft in pressing the key cap, and the spring housing is established in the push rod, and the front end of push rod extends to in the pen end and insulator fixed connection, and the bottom of spring is contradicted in the inside bottom in cylindricality chamber.

Furthermore, a PCB circuit board is arranged in the pen end and is electrically connected with the power line, the cutting switch and the electrocoagulation switch.

Further, the insulator is made of a ceramic fiber material.

Furthermore, the total length of each electrode is the same, the diameter of each electrode is different, and the electrodes are electrically connected with a power line through a lead.

Further, the surface of each key cap is distinguished by different numerical marks.

Furthermore, the head end of the electrode is a pointed end or a flat end.

Compared with the prior art, the utility model discloses following beneficial effect has: according to the electric knife pen capable of switching the plurality of electrodes, the electrodes are ejected out of and retracted into the pen end through the ball pen telescopic mechanism according to the telescopic principle of a ball pen refill, and a protective sleeve is not needed; the length of the electrode can be adjusted by rotating the rotating head by arranging the rotating head and matching with the threaded connection of the pen body; the pen cap can be used for sealing the pen end and is provided with the ultraviolet germicidal lamp to realize the electrode sterilization effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an electric knife pen capable of switching a plurality of electrodes according to the present invention;

fig. 2 is a cross-sectional view of an electrotome pen of the present invention, which is capable of switching a plurality of electrodes;

fig. 3 is a bottom view of the electric knife pen with multiple switchable electrodes of the present invention after the cap is removed;

fig. 4 is a schematic structural view of a ball point pen expansion and contraction mechanism.

In the figure: 1. a pen body; 101. an internal thread; 2. a pen end; 201. an arc-shaped clamping groove; 3. rotating the head; 4. a key cap; 5. an external thread; 6. a pen cap; 601. a clamping block; 602. a switch; 603. a battery; 604. an ultraviolet germicidal lamp; 7. a ball-point pen telescoping mechanism; 701. a ratchet wheel set; 702. salient points; 703. a spring; 8. a push rod; 9. an electrode; 10. a cylindrical cavity.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, an electric knife pen capable of switching a plurality of electrodes comprises a pen body 1, a pen end 2, a pen cap 6, and a cutting switch and an electrocoagulation switch arranged on the side surface of the pen end 2, wherein the pen end 2 is hollow, the pen end 2 is connected and communicated with the pen body 1, an internal thread 10 is arranged on the inner surface of the pen body 1, a rotating head 3 screwed with the internal thread 101 is arranged inside the pen body 1 to realize the extension and retraction of an electrode 9, an external thread 5 matched with the internal thread 101 is arranged on the outer surface of the rotating head 3, a plurality of cylindrical cavities 10 are arranged inside the rotating head 3, a ball pen extension mechanism 7 is arranged inside each cylindrical cavity 10 and used for controlling the ejection or retraction of the electrode 9 into the pen end 2, an electrode 9 positioned inside the pen end 2 is fixedly arranged at the front end of each ball pen extension mechanism 7 through an insulator 801, arc-shaped slots 201 are symmetrically arranged on both sides of, a switch 602 is arranged at the bottom end of the pen cap 6, a battery 603 electrically connected with the switch 602 is arranged at the bottom end inside the pen cap 6, and an ultraviolet germicidal lamp 604 electrically connected with the switch 602 is arranged at the top of the battery 603 and is used for sterilizing and disinfecting the electrode 9 and the pen end 2; the two inner sides of the top of the pen cap 6 are symmetrically provided with clamping blocks 601 which are clamped with the arc-shaped clamping grooves 201.

The ball-point pen telescoping mechanism 7 is composed of a key cap 4, a ratchet group 701, a push rod 8, a spring 703 and a salient point 702 clamping the top end of the spring 703, one end of the push rod 8 is inserted into the sleeved ratchet group 701, one end of the ratchet group 701 is inserted into the key cap 4, the spring 703 is sleeved in the push rod 8, the front end of the push rod 8 extends into the pen end 2 and is fixedly connected with an insulator 801, the bottom end of the spring 703 abuts against the bottom end of the inside of a cylindrical cavity 10, a telescopic structure of a refill inside a ball-point pen is constructed, and the electrode 9 is ejected and retracted through the same telescopic principle as the refill.

Wherein, be provided with the PCB circuit board in the pen end 2, and the PCB circuit board all is connected with power cord, cutting switch and electricity congeals the switch, realizes cutting and electricity congeals the function switch.

The insulator 801 is made of a ceramic fiber material, and plays a role in insulation and heat insulation.

The total lengths of the electrodes 9 are the same, the diameters of the electrodes are different, and the electrodes are electrically connected with the power line through the conducting wires, so that the electrodes with different specifications can be installed at the same time.

The surface of each key cap 4 is distinguished by different number marks, so that the electrodes 9 with different specifications can be distinguished conveniently.

Wherein the head end of the electrode 9 is a pointed end or a flat end.

It should be noted that, the utility model relates to an electrotome pen of changeable a plurality of electrodes, concrete during operation, at first connect external power source through the power cord, get rid of cap 6, then select required electrode 9, press corresponding button cap 4 can pop out pen end 2 through ball pen telescopic machanism 7 with the electrode 9 that corresponds, according to actual need again, can adjust the length that stretches out pen end 2 of electrode 9 through rotatory rotating head 3, cover cap 6 after using, open switch 602 and put through sterilamp 604, disinfect the disinfection inside electrode 9 and pen end 2.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. An electrotome pen capable of switching multiple electrodes comprises a pen body (1), a pen end (2), a pen cap (6), a cutting switch and an electrocoagulation switch which are arranged on the side surface of the pen end (2), wherein the interior of the pen end (2) is of a hollow structure, the pen end (2) is connected and communicated with the pen body (1), the electrotome pen is characterized in that an internal thread (101) is arranged on the inner surface of the pen body (1), a rotating head (3) which is in threaded connection with the internal thread (101) is arranged inside the pen body (1), an external thread (5) which is matched with the internal thread (101) is arranged on the outer surface of the rotating head (3), a plurality of cylindrical cavities (10) are arranged inside the rotating head (3), a ballpoint pen telescopic mechanism (7) is arranged inside each cylindrical cavity (10), an electrode (9) which is positioned inside the pen end (2) is fixedly arranged at the front end of each ballpoint pen telescopic mechanism (7), arc draw-in groove (201) have been seted up to the front end bilateral symmetry of pen end (2), and the bottom of pen cap (6) is equipped with switch (602), and the inside bottom of pen cap (6) is equipped with battery (603) of being connected with switch (602) electricity, and battery (603) top is equipped with sterilamp (604) of being connected with switch (602) electricity, and two inboard symmetries at pen cap (6) top are equipped with fixture block (601) with arc draw-in groove (201) looks block.

2. The electrotome pen capable of switching multiple electrodes according to claim 1, wherein the ballpoint pen telescoping mechanism (7) comprises a key cap (4), a ratchet group (701), a push rod (8), a spring (703) and a salient point (702) for clamping the top end of the spring (703), one end of the push rod (8) is inserted into the sleeved ratchet group (701), one end of the ratchet group (701) is inserted into the key cap (4), the spring (703) is sleeved in the push rod (8), the front end of the push rod (8) extends into the pen end (2) and is fixedly connected with an insulator (801), and the bottom end of the spring (703) abuts against the inner bottom end of the cylindrical cavity (10).

3. An electric knife pen capable of switching a plurality of electrodes according to claim 1, characterized in that a PCB circuit board is arranged in the pen end (2), and the PCB circuit board is electrically connected with the power line, the cutting switch and the electrocoagulation switch.

4. A multi-electrode switchable pencil as claimed in claim 1 wherein the insulator (801) is made of ceramic fibre material.

5. The electric pencil of claim 1, characterized in that each of said electrodes (9) has the same total length, different diameters and is electrically connected to a power line through a wire.

6. An electric pencil as claimed in claim 2, characterised in that the surface of each button cap (4) is distinguished by a different numerical marking.

7. An electric pencil as claimed in claim 1 in which the tip of the electrode (9) is pointed or truncated.

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