CN210447189U

CN210447189U - Improved telescopic electrotome

Info

Publication number: CN210447189U
Application number: CN201920843775.3U
Authority: CN
Inventors: 赵义军; 刘付宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-05
Anticipated expiration: 2029-06-05

Abstract

The utility model provides an improved telescopic electrotome, wherein the two axial ends of the electrotome head are respectively a cutter head part and a cutter rod part; the cutter rod part is fixedly connected with one axial end of the protective sleeve; the adjusting head is sleeved at the axial outer end of the protective sleeve and is coaxially in threaded connection with the protective sleeve; the other axial end of the protective sleeve is connected with a telescopic driving mechanism on the operating handle, so that the protective sleeve can move back and forth; the length of the exposed part of the electric knife head is adjusted by adjusting the adjusting head to move back and forth, so that the electric knife head is adjusted to be in a proper length; the operation of doctors is convenient in the operation, and the accidental injury to patients or medical staff in the operation can be greatly reduced; through promoting flexible actuating mechanism, the length that adjustable protective case and electrotome tool bit stretch out, and because adjust the head and wrap up in the protective case outside, can guarantee to adjust the head and can not retract in the electrotome handle when shortening protective case.

Description

Improved telescopic electrotome

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to scalable electrotome of modified.

Background

A high-frequency electric knife is an electric surgical instrument for replacing a mechanical scalpel to cut tissues. The tissue is heated when the high-frequency high-voltage current generated by the tip of the effective electrode contacts with the body, so that the separation and coagulation of the body tissue are realized, and the purposes of cutting and hemostasis are achieved. With the development of medical science, the electrotome is widely applied to occasions such as plastic surgery, oral and maxillofacial surgery, thoracic and abdominal cavity surgery and the like. Generally speaking, the lengths of the tool bits needed by different tissue parts are different, but the existing electric knives have the problem that the length of the metal part of the tool bit cannot be adjusted, so that the tool bit which is too long accidentally injures the non-operative area in the operation process needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at a scalable electrotome of modified, through the length of adjusting protective case and electrotome tool bit to reduce the accidental injury to patient or medical staff in the operation, it is safer.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an improved telescopic electrotome comprises an electrotome head, an adjusting head, a protective sleeve and an operating handle; the two axial ends of the electrotome head are respectively a cutter head part and a cutter rod part; the cutter rod part is fixedly connected with one axial end of the protective sleeve; the adjusting head is sleeved at the axial outer end of the protective sleeve and is coaxially in threaded connection with the protective sleeve; the other axial end of the protective sleeve is connected with a telescopic driving mechanism on the operating handle, so that the electric knife head and the protective sleeve are driven to move back and forth.

Further, the adjusting head is made of a heat insulation material.

Furthermore, the outer wall of the protective sleeve is provided with a thread structure and is in thread fit connection with the adjusting head.

Furthermore, an electric wire and a plug are also arranged; one end of the wire is electrically connected with the electrotome head, and the other end of the wire is electrically connected with the plug.

Further, the telescopic driving mechanism comprises a leaf spring, a sliding block and a pressing block; the leaf spring is clamped at the bottom of the sliding block; the pressing block is clamped at the upper part of the sliding block and is in elastic contact with the leaf spring; the casing of the electric knife is provided with a moving guide groove matched with the protective sleeve along the length direction; a plurality of limit openings which are linearly arranged are symmetrically arranged above the inner side of the guide groove; the leaf spring is provided with four clamping pins which are clamped with the limiting ports, and the four clamping pins are symmetrically arranged on two sides of the rear end of the protective sleeve.

Further, the size of the adjusting head is larger than the size of a channel used for the front and back movement of the protective sleeve on the operating handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adjusts the adjusting head to move back and forth to adjust the exposed part of the length of the electrotome head, thereby adjusting the electrotome head to a proper length; and the operation of doctors is convenient in the operation, the accidental injury to patients or medical staff in the operation can be greatly reduced, and the operation is safer.

2. The utility model discloses a promote flexible actuating mechanism, the length that adjustable protective case and electrotome tool bit stretch out adjusts more conveniently. Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the local explosion structure of the present invention;

fig. 3 is a schematic view of the present invention in a partially enlarged structure shown in fig. 1;

fig. 4 is an explosion structure diagram of the telescopic driving mechanism of the present invention;

fig. 5 is a schematic structural view of the telescopic driving mechanism of the present invention;

fig. 6 is a side view of a three-section electric knife head according to another embodiment of the present invention;

fig. 7 is a top view of a three-section knife head according to another embodiment of the present invention;

FIG. 8 is a schematic view of a positioning structure of two electric knives according to another embodiment of the present invention;

the reference numbers in the figures illustrate:

1. a electrotome head; 11. a cutter head portion; 12. a blade bar part; 2. an adjustment head; 3. protecting the sleeve; 4. an operating handle; 5. a telescopic driving mechanism; 51. a leaf spring; 511. clamping a pin; 52. a slider; 53. a pressing block; 6. an electric wire; 7. a plug; 8. a housing; 81. a guide groove; 811. a limiting port; 9. a push button switch; 10. a spring button; 20. a spring hole.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further explained with reference to the accompanying drawings 1 to 8:

with reference to fig. 1, 2 and 3, an improved telescopic electric knife comprises an electric knife head 1, an adjusting head 2, a protective sleeve 3 and an operating handle 4; the two axial ends of the electric knife head 1 are respectively a knife head part 11 and a knife bar part 12; the cutter rod part 12 is fixedly connected with one axial end of the protective sleeve 3; the adjusting head 2 is sleeved at the axial outer end of the protective sleeve 3 and is coaxially in threaded connection with the protective sleeve 3; the other axial end of the protective sleeve 3 is connected with a telescopic driving mechanism 5 on the operating handle 4, so that the electric knife head 1 and the protective sleeve 3 are driven to move back and forth.

The utility model adjusts the adjusting head to move back and forth to adjust the exposed part of the length of the electrotome head, thereby adjusting the electrotome head to a proper length; the operation of doctors is convenient in the operation, the accidental injury to patients or medical staff in the operation can be greatly reduced, and the operation is safer; through promoting flexible actuating mechanism, the length that protective case and electrotome tool bit stretch out can be adjusted, and it is more convenient to adjust.

The size of the adjusting head 2 is larger than the size of a channel for the protection sleeve 3 to move back and forth on the operating handle 4, and the adjusting head is covered outside the protection sleeve, so that the adjusting head can be ensured not to retract into the handle of the electric knife when the protection sleeve is shortened; more safe and reliable, reasonable in design.

The adjusting head 2 is tightly attached to the protective sleeve 3, so that the adjusting head 2 can rotate at the outer end of the protective sleeve 3, the adjusting head 2 can be positioned after rotating, and the phenomenon of random rotation cannot occur.

The adjusting head 2 is made of heat-insulating materials, so that the adjustment of the electrotome by a doctor in the use process of the electrotome can be realized, and the doctor can perform an operation quickly and effectively.

Preferably, the adjusting head 2 is made of a high-temperature-resistant plastic material.

And the outer wall of the protective sleeve 3 is provided with a thread structure and is in thread fit connection with the adjusting head 2.

Also provided with an electric wire 6 and a plug 7; one end of the wire 6 is electrically connected with the electrotome head 1, and the other end is electrically connected with the plug 7.

A controller is also arranged; the shell 8 of the operating handle 4 is also provided with a button switch 9 for controlling the electric coagulation and the electric cutting of the electric knife head 1.

With reference to fig. 4 and 5, the telescopic driving mechanism 5 includes a leaf spring 51, a sliding block 52 and a pressing block 53; the leaf spring 51 is clamped at the bottom of the sliding block 52; the pressing block 53 is clamped on the upper part of the sliding block 52 and is in elastic contact with the leaf spring 51; the casing 8 of the electric knife is provided with a moving guide groove 81 of the protective sleeve 3 along the length direction; a plurality of limiting ports 811 which are linearly arranged are symmetrically arranged above the inner side of the guide groove 81; the leaf spring 51 is provided with four clamping feet 511 which are clamped with the limiting opening 811, and the four clamping feet 511 are symmetrically arranged at two sides of the rear end of the protective sleeve 3; the position where the four locking legs 511 of the leaf spring 51 are engaged with the limiting opening 811 is driven to shift downward when the pressing block 53 is pressed, to a position where the limiting opening 811 is completely disengaged, and the telescopic sleeve is fixed and moved in the guide groove 81 by the engagement and disengagement of the four locking legs 511 of the leaf spring 51 with the limiting opening 811.

When a doctor needs to use the electric knife in an operation, the plug is electrified, then the exposed part of the knife head of the electric knife is adjusted to the most appropriate length by rotating the adjusting head, and the front and back telescopic length of the protective sleeve is adjusted by the telescopic driving mechanism to be satisfied by the doctor; in the operation process, a doctor can integrally adjust the lengths of the protective sleeve and the electrotome head again by hands according to the size and the depth of an operation area, and the operation is convenient and quick; meanwhile, the normal function of the cutter head can be realized through the electric coagulation button and the cutting button, and the personal safety of medical staff and patients is ensured.

With reference to fig. 6, 7 and 8, in another embodiment, different from the above embodiment, the electric knife head 1 is a three-segment structure that is sleeved in sequence; the tail end of the electric knife head 1 is also provided with a spring button; the length of the cutter head can be shortened by pressing the spring button 10, and when the spring button 10 extends out of the spring hole 20 of the previous section of cutter head, positioning sleeving of two adjacent electric cutter heads is realized, so that positioning adjustment of one section, two sections or three sections of electric cutter heads is realized; and can ensure that the electric knife head 1 does not extend or retract in the using process; the length of the protective sleeve can be adjusted by pushing the telescopic driving mechanism 5.

When a doctor needs to use the electric knife in an operation, the spring button 10 is firstly utilized to adjust the electric knife head 1 to the most appropriate length, then the telescopic driving mechanism 5 is utilized to adjust the length of the protective sleeve, and the plug can be used for electrifying after the adjustment is satisfied by the doctor; the normal function of the cutter head can be realized through the electric coagulation button and the cutting button, and the length adjustment of the cutter head of the electric knife is more convenient.

The device has the advantages of simple structure, convenient installation and operation, repeated utilization, economy, practicality, convenient carrying, flexible use, reasonable design, compact structure and good market prospect.

It should be noted that the telescopic driving mechanism can be implemented by other existing structures; the detailed description of the present invention is not provided in the detailed description of the present invention, and the present invention is not limited to the details of the present invention, and can be obtained by purchasing the present invention directly from the market, and the present invention can be obtained by those skilled in the art without creative efforts.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An improved telescopic electrotome, characterized in that: comprises an electrotome head (1), an adjusting head (2), a protective sleeve (3) and an operating handle (4); the two axial ends of the electrotome head (1) are respectively a cutter head part (11) and a cutter bar part (12); the cutter rod part (12) is fixedly connected with one axial end of the protective sleeve (3); the adjusting head (2) is sleeved at the axial outer end of the protective sleeve (3) and is coaxially in threaded connection with the protective sleeve (3); the other axial end of the protective sleeve (3) is connected with a telescopic driving mechanism (5) on the operating handle (4), so that the electric knife head (1) and the protective sleeve (3) are driven to move back and forth.

2. The improved telescopic electric knife according to claim 1, characterized in that: the adjusting head (2) is made of heat-insulating materials.

3. The improved telescopic electric knife according to claim 1, characterized in that: the outer wall of the protective sleeve (3) is provided with a thread structure and is in thread fit connection with the adjusting head (2).

4. The improved telescopic electric knife according to claim 1, characterized in that: an electric wire (6) and a plug (7) are also arranged; one end of the wire (6) is electrically connected with the electrotome head (1), and the other end is electrically connected with the plug (7).

5. The improved telescopic electric knife according to claim 1, characterized in that: the telescopic driving mechanism (5) comprises a leaf spring (51), a sliding block (52) and a pressing block (53); the leaf spring (51) is clamped at the bottom of the sliding block (52); the pressing block (53) is clamped at the upper part of the sliding block (52) and is in elastic contact with the leaf spring (51); a moving guide groove (81) matched with the protective sleeve (3) is formed in the housing (8) of the electric knife along the length direction; a plurality of limit ports (811) which are linearly arranged are symmetrically arranged above the inner side of the guide groove (81); the leaf spring (51) is provided with four clamping pins (511) which are clamped with the limiting openings (811), and the four clamping pins (511) are symmetrically arranged on two sides of the rear end of the protective sleeve (3).

6. The improved telescopic electric knife according to claim 1, characterized in that: the size of the adjusting head (2) is larger than the size of a channel for the protective sleeve (3) to move back and forth on the operating handle (4).