Portable electrocoagulation knife

Abstract

The utility model discloses a portable electrocoagulation knife, which relates to the technical field of electrocoagulation knives and comprises a handle, a heat insulation ceramic block is fixedly arranged at one end of the handle, which is positioned on a knife cap, two resistance conductive rods are connected onto the heat insulation ceramic block in a plugging manner, and a heating wire knife body is fixedly connected between the end parts of the two resistance conductive rods. An anti-sticking coating is arranged on the outer side of the heating wire knife body, a battery is installed in the handle, and a conductive metal sheet, a conductive elastic sheet and a resistor conductive rod are connected between the two ends of the battery to form a closed-loop circuit. The handle is provided with a pushing adjusting structure used for pushing the conductive elastic sheet. The portable electrocoagulation knife can be used repeatedly, the adhesion phenomenon cannot occur when the portable electrocoagulation knife is used, the portable electrocoagulation knife is provided with three fixed temperature gears, the portable electrocoagulation knife is safer to use, the probability of clinical accidents caused by the fact that the portable electrocoagulation knife is not familiar with equipment clinically is reduced, and the portable electrocoagulation knife is non-sticky, visible and controllable in temperature and chargeable.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrocoagulation knives, and in particular relates to a portable electrocoagulation knife. Background Art

[0002] Most of the portable coagulation knives available on the market are disposable products. After the cutting head of a disposable portable coagulation knives has cut several times, the front heating wire will become sticky. The existing products on the market adjust the temperature by pressing the button for a certain period of time, and there is no temperature display. This type of use is particularly risky and relies entirely on the doctor's experience. Utility Model Content

[0003] The purpose of the utility model is to solve the above-mentioned shortcomings in the prior art and propose a portable electrocoagulation knife. The utility model can be used multiple times, will not cause adhesion during use, divides the use temperature into three fixed temperature gears, and is equipped with a display screen to display the temperature, making it safer to use and reducing the probability of clinical accidents caused by unfamiliarity with the equipment in the clinic. The portable electrocoagulation knife is non-sticky, temperature is visible, controllable, and rechargeable.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A portable electrocoagulation knife is designed, comprising a handle, an end of the handle is provided with an adapted knife cap, an end of the handle located at the knife cap is fixedly provided with a heat-insulating ceramic block, two resistance conductive rods are fixedly provided on the heat-insulating ceramic block, a heating wire knife body is connected between the ends of the two resistance conductive rods in a plug-in manner, and a socket for plugging the heating wire knife body is provided at the end of the resistance conductive rod;

[0006] The outer side of the heating wire blade body is provided with an anti-stick coating;

[0007] A battery is installed in the handle, the positive electrode of the battery is connected to a conductive metal sheet, the other end of the conductive metal sheet is slidably connected to a conductive spring sheet, the conductive spring sheet is slidably connected to one of the resistance conductive rods, and the end of the other resistance conductive rod is against the negative electrode of the battery to form a closed loop circuit;

[0008] The handle is provided with a pushing and adjusting structure for pushing the conductive spring sheet to move on the resistor conductive rod and changing the resistance value of the closed-loop circuit.

[0009] Furthermore, two resistance conductive rods are flush with each other at one end of the heating wire blade body, and one is long and the other is short at the other end. The long resistance conductive rod is against the negative pole of the battery, and the short end is connected to the conductive spring sheet.

[0010] Furthermore, the push adjustment structure includes a sliding handle, the sliding handle is slidably connected to the handle, the handle is provided with a sliding groove adapted to the sliding handle, and the conductive spring is fixedly arranged on the sliding handle.

[0011] Furthermore, the sliding handle can push three temperature gears. After each gear changes the resistance, the heating wire blade body produces three fixed temperatures, namely, the first gear is 300℃±5℃, the second gear is 677℃±5℃, and the third gear is 1200℃±5℃.

[0012] Furthermore, a display screen for displaying temperatures at different gears is fixedly provided on the handle.

[0013] Furthermore, a charging circuit for charging the battery is provided in the handle, and a charging hole is provided on the charging circuit, and the charging hole is located at the end of the handle.

[0014] The utility model provides a portable electrocoagulation knife, which has the beneficial effects of being non-sticky, having a visible and controllable temperature, and being rechargeable. Specifically:

[0015] (1) The heating wire blade of the utility model adopts a detachable connection method, which can be removed for cleaning and disinfection, and can be used multiple times after treatment.

[0016] (2) A tin anti-adhesion coating is provided on the outer side of the heating wire blade of the utility model to avoid adhesion during repeated use.

[0017] (3) The utility model divides the operating temperature into three gears according to the usage habits of doctors, and designs the existing pressing to increase and decrease the temperature to control different temperatures by pushing the gear to change in one direction. The temperature in the first gear is fixed at 300℃±5℃, the temperature in the second gear is fixed at 677℃±5℃, and the temperature in the third gear is fixed at 1200℃±5℃. A display screen is provided to display the temperature, making it safer to use and reducing the probability of clinical accidents caused by unfamiliarity with the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a three-dimensional view of the utility model;

[0020] Figure 2 It is a three-dimensional view of the handle in the utility model;

[0021] Figure 3It is a schematic diagram of the internal structure of the handle in the utility model;

[0022] Figure 4 It is a cross-sectional view of the heating wire knife body in the utility model;

[0023] Figure 5 It is a top view of the handle in the utility model;

[0024] The markings in the figure are: 1. handle; 11. charging hole; 12. slide groove; 2. knife cap; 3. display screen; 4. thermal insulation ceramic block; 5. heating wire knife body; 6. resistor conductive rod; 7. battery; 71. conductive metal sheet; 72. charging circuit; 8. sliding handle; 81. conductive spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "sleeved / connected", "sliding connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] The structural features of the present utility model are now described in detail with reference to the accompanying drawings of the specification.

[0029] See also Figure 1-Figure 5A portable electrocoagulation knife comprises a handle 1, which is a cylindrical structure. An adaptable knife cap 2 is provided at the end of the handle 1. An insulating ceramic block 4 is fixedly provided at one end of the handle 1 located at the knife cap 2. Two resistance conductive rods 6 are fixedly connected to the insulating ceramic block 4. A heating wire knife body 5 is connected between the ends of the two resistance conductive rods 6 in a plug-in manner. A socket for plugging the heating wire knife body 5 is provided at the end of the resistance conductive rod 6. The heating wire knife body 5 can be removed from the resistance conductive rod 6. On the one hand, it is convenient to replace the heating wire knife body 5. On the other hand, the heating wire knife body 5 can be removed for cleaning and disinfection and used multiple times.

[0030] In order to prevent the hot wire blade body 5 from sticking to the tissue after repeated use, an anti-sticking coating 51 is provided on the outer side of the hot wire blade body 5. The anti-sticking coating 51 is a tin-plated coating. By providing a tin anti-sticking coating on the outer side of the hot wire blade body 5, adhesion can be avoided during use.

[0031] A battery 7 is installed in the handle 1. The battery 7 is used to provide electric energy for the hot wire blade body 5, so that the hot wire blade body 5 heats up. The positive electrode of the battery 7 is connected to a conductive metal sheet 71. The other end of the conductive metal sheet 71 is slidably connected to a conductive spring 81. The conductive spring 81 is slidably connected to one of the resistance conductive rods 6. The end of the other resistance conductive rod 6 is against the negative electrode of the battery 7 to form a closed loop circuit, wherein the two resistance conductive rods 6 are flush at one end of the hot wire blade body 5, and one end is long and the other end is short. The long resistance conductive rod 6 is against the negative electrode of the battery 7, and the short end is connected to the conductive spring 81. The resistance value of the resistance conductive rod 6 connected to the closed loop circuit is changed by sliding the conductive spring 81, thereby changing the current passing through the hot wire blade body 5. After the resistance of the resistance conductive rod 6 is changed, the hot wire blade body 5 will correspond to a different temperature. To facilitate the pushing of the handle 1, the handle 1 is provided with a pushing and adjusting structure for pushing the conductive spring 81 to move on the resistor conductive rod 6 and change the resistance value of the closed-loop circuit, wherein the pushing and adjusting structure includes a sliding handle 8, the sliding handle 8 is slidably connected to the handle 1, the handle 1 is provided with a slide groove 12 adapted to the sliding handle 8, the conductive spring 81 is fixedly arranged on the sliding handle 8, and the sliding handle 8 can push three temperature gears. After each gear changes the resistance, the heating wire knife body 5 generates three fixed temperatures, namely, the first gear is 300℃±5℃, the second gear is 677℃±5℃, and the third gear is 1200℃±5℃. In order to facilitate the observation of the temperature, a display screen 3 for displaying the temperature of different gears is fixedly provided on the handle 1.

[0032] In order to enable long-term and multiple uses, a charging circuit 72 for charging the battery 7 is further provided in the handle 1 . A charging hole 11 is provided on the charging circuit 72 . The charging hole 11 is located at the end of the handle 1 .

[0033] The portable electrocoagulation knife of the utility model has a simple structure and is easy to operate, and is non-stick, temperature-visible, controllable, and rechargeable. On the one hand, the heating wire blade body 5 is detachable and can be removed for cleaning and disinfection and used multiple times. On the other hand, a tin anti-adhesion coating is provided on the outside of the heating wire blade body 5 to avoid adhesion during use.

[0034] Specifically, during use, the temperature is divided into three gears according to the doctor's usage habits. The existing pressing to increase or decrease the temperature is designed to change the gear in one direction to control different temperatures. The sliding handle 8 is pushed to achieve gear shifting. The temperature in the first gear is fixed at 300℃±5℃, the temperature in the second gear is fixed at 677℃±5℃, and the temperature in the third gear is fixed at 1200℃±5℃. A display screen is provided to display the temperature, making it safer to use and reducing the probability of clinical accidents due to unfamiliarity with the equipment.

[0035] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A portable electrocoagulation knife, comprising a handle (1), wherein an adaptable knife cap (2) is provided at the end of the handle (1), characterized in that: A heat-insulating ceramic block (4) is fixedly provided at one end of the handle (1) located on the blade cap (2), two resistance conductive rods (6) are fixedly connected to the heat-insulating ceramic block (4), a heating wire blade body (5) is connected between the ends of the two resistance conductive rods (6) in a plug-in manner, and a socket for plugging the heating wire blade body (5) is provided at the end of the resistance conductive rod (6); The outer side of the heating wire blade body (5) is provided with an anti-sticking coating (51); A battery (7) is installed in the handle (1), the positive electrode of the battery (7) is connected to a conductive metal sheet (71), the other end of the conductive metal sheet (71) is slidably connected to a conductive spring sheet (81), the conductive spring sheet (81) is slidably connected to one of the resistance conductive rods (6), and the end of the other resistance conductive rod (6) is against the negative electrode of the battery (7), forming a closed loop circuit; The handle (1) is provided with a pushing and adjusting structure for pushing the conductive spring sheet (81) to move on the resistor conductive rod (6) and changing the resistance value of the closed-loop circuit.

2. A portable electrocoagulation knife according to claim 1, characterized in that: The two resistance conductive rods (6) are flush with each other at one end of the heating wire blade body (5), and one end is long and the other is short. The long resistance conductive rod (6) is against the negative electrode of the battery (7), and the short end is connected to the conductive spring sheet (81).

3. A portable electrocoagulation knife according to claim 1, characterized in that: The anti-sticking coating (51) is a tin-plated coating.

4. A portable electrocoagulation knife according to claim 1, characterized in that: The push adjustment structure comprises a sliding handle (8), the sliding handle (8) is slidably connected to the handle (1), the handle (1) is provided with a sliding groove (12) adapted to the sliding handle (8), and the conductive spring sheet (81) is fixedly arranged on the sliding handle (8).

5. A portable electrocoagulation knife according to claim 4, characterized in that: The sliding handle (8) can be pushed to three temperature levels. After each level changes the resistance, the heating wire blade (5) generates three fixed temperatures, namely, level 1: 300°C±5°C, level 2: 677°C±5°C, and level 3: 1200°C±5°C.

6. A portable electrocoagulation knife according to claim 5, characterized in that: The handle (1) is fixedly provided with a display screen (3) for displaying temperatures at different gears.

7. The portable electrocoagulation knife according to claim 1, characterized in that: A charging circuit (72) for charging the battery (7) is also provided in the handle (1), and a charging hole (11) is provided on the charging circuit (72), and the charging hole (11) is located at the end of the handle (1).

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