CN211834680U

CN211834680U - Cutter assembly and electric cutting device

Info

Publication number: CN211834680U
Application number: CN202020151559.5U
Authority: CN
Inventors: 李炎
Original assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Current assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Priority date: 2020-02-04
Filing date: 2020-02-04
Publication date: 2020-11-03
Anticipated expiration: 2030-02-04

Abstract

The utility model provides a cutter component and an electric cutting device, relating to the technical field of medical instruments, wherein the cutter component comprises an elastic sleeve and a cutter; one end of the elastic sleeve is provided with an opening which is used for allowing the fingers of a user to extend into the elastic sleeve, and the elastic sleeve can be attached and fixed on the fingers of the user by means of elasticity. The cutter is fixed at the other end of the elastic sleeve, which is far away from the opening, and the cutter is used for being electrically connected with the equipment main body. The utility model provides a device is cut to cutter unit spare and electricity, in the mastectomy operation, the doctor can wear the elastic sleeve on hand, through stretching into the incision with the finger, can confirm the boundary of mammary gland and tissue on every side through the finger touch, then will point the cutter on the finger to the boundary and cut, also can judge the boundary of mammary gland and tissue on every side through the touch even the incision is less under the condition that can't see clearly, the degree of accuracy is high, easy operation.

Description

Cutter assembly and electric cutting device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a cutter unit spare and electric cutting device.

Background

The electric cutting device is generally used in the mastectomy, the electric cutting device comprises an equipment main body, an electric knife and a connecting piece, the electric knife and the connecting piece are connected with the equipment main body, the connecting piece is fixed on the body of a patient, the electric knife extends into the body, the equipment main body generates current, and the current passes through the electric knife, the body of the patient and the connecting piece to form a loop, so that the cutting purpose is realized.

In the related art, the electric knife includes a handle and a knife head, and an operator holds the handle and extends the knife head into a space between the breast and the surrounding tissue to perform the mastectomy.

However, the operation is difficult because the operation opening is small and the boundary between the breast and the surrounding tissue cannot be seen clearly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cutter unit spare and electric cutting device to overcome the big problem of the mastectomy operation degree of difficulty among the prior art.

An embodiment of the utility model provides a cutter assembly, include:

the elastic sleeve is characterized in that one end of the elastic sleeve is provided with an opening, the opening is used for allowing a finger of a user to extend into the elastic sleeve, and the elastic sleeve can be attached and fixed on the finger of the user by means of elasticity.

The cutter is fixed at the other end of the elastic sleeve, which is far away from the opening, and the cutter is used for being electrically connected with the equipment main body.

As above, the cutting knife includes a cutting knife body and a cutting portion, the cutting knife body is fixed on the elastic sleeve, the cutting portion is located at one end of the cutting knife body departing from the elastic sleeve, and the cross-sectional area of the cutting portion is gradually reduced from one end close to the cutting knife body to one end departing from the cutting knife body.

The cutter assembly is characterized in that the size of the cutter protruding out of the elastic sleeve is 0.5-1.5 mm.

The cutter assembly as described above, wherein the elastic sleeve is an elastic glove, the elastic glove has a plurality of finger sleeves, each finger sleeve is used for accommodating one finger, and the cutter is fixed on one of the finger sleeves of the elastic glove.

The cutter assembly as described above, wherein the cutter is fixed to the finger sleeve for receiving the index finger.

The cutter assembly as described above, wherein the cutter is fixed to the top end of the finger sleeve facing away from the opening, so that the cutter is located at the fingertip of the index finger.

As above, the cutter assembly, wherein the cutter body is connected with a first wire, one end of the first wire departing from the cutter body penetrates through the elastic sleeve, and extends out of the elastic sleeve from the opening to be connected with the equipment main body.

The cutter assembly as described above, wherein a portion of the first wire is secured within the elastic sleeve and the portion of the first wire is located on the back of the finger.

An embodiment of the utility model provides an electrotomy device, include: equipment main part, connection piece and cutter unit spare.

The device body is used for generating electric current.

The connecting sheet is electrically connected with the device main body and is used for contacting with the body of a patient;

and the cutter of the cutter component is electrically connected with the equipment main body.

The electric cutting device as described above, wherein the electric cutting device includes a pedal, the pedal is connected to the apparatus main body, and the pedal is used to control whether current flows through the cutting blade or the connecting piece.

The utility model provides a cutter component and an electric cutting device, which are provided with an elastic sleeve and a cutter; one end of the elastic sleeve is provided with an opening which is used for allowing the fingers of a user to extend into the elastic sleeve, and the elastic sleeve can be attached and fixed on the fingers of the user by means of elasticity. The cutter is fixed at the other end of the elastic sleeve, which is far away from the opening, and the cutter is used for being electrically connected with the equipment main body. In the mastectomy, the doctor can wear the elasticity cover on hand, through stretching into the incision with the finger, can confirm the boundary of mammary gland and surrounding tissue through the finger touch, then aim at the boundary with the cutter on the finger and cut, also can judge the boundary of mammary gland and surrounding tissue through the touch even the incision is less under the condition that can't see clearly, and the degree of accuracy is high, easy operation.

Drawings

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the embodiments described herein are merely illustrative and explanatory of the present invention, and the present invention is not limited to the embodiments described below.

FIG. 1 is a schematic structural view of a cutter assembly according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the cutter of FIG. 1;

fig. 3 is a schematic structural view of an electrotomy device according to an embodiment of the present invention.

Description of reference numerals:

100: an elastic sleeve;

110: finger stall;

200: a cutter;

210: a cutter body;

220: a cutting section;

300: a first conductive line;

400: an apparatus main body;

500: connecting sheets;

600: a pedal.

Detailed Description

The use of an electrotomy device is required in the mastectomy procedure, and the electrotomy device generally comprises an equipment body, and an electrotome and a connecting sheet which are connected with the equipment body. In a mastectomy, the patch is secured to the patient's body, a small incision is made in the patient's body, and the electrotome is then inserted into the body. After the cutting position is judged, the control equipment main body generates current, and the current passes through the electrotome, the body of the patient and the connecting sheet to form a loop, so that the electrotome can cut tissues. In the related art, the electric knife includes a handle and a knife head, and an operator holds the handle and extends the knife head into a space between the breast and the surrounding tissue to perform the mastectomy. However, since the surgical opening is small, the boundary between the breast and the surrounding tissue cannot be seen clearly, and the cutting position can be determined only by experience, which makes the operation difficult.

In order to solve the above problem, this embodiment provides a cutter unit spare, through fixing the cutter on the elastic sleeve, the elastic sleeve can laminate and fix on the finger to the cutting position is judged in the finger touch, and the cutter through on the finger after confirming comes the operation, and the degree of accuracy is high, reduces the operation degree of difficulty.

FIG. 1 is a schematic structural view of a cutter assembly according to an embodiment of the present invention; FIG. 2 is a schematic view of the structure of the cutter of FIG. 1; fig. 3 is a schematic structural view of an electrotomy device according to an embodiment of the present invention.

Referring to fig. 1 to 3, the present embodiment provides a cutter assembly, including: the elastic sleeve 100 and the cutter 200, one end of the elastic sleeve 100 has an opening for allowing the user's finger to extend into the elastic sleeve 100, and the elastic sleeve 100 can be fixed on the user's finger by means of elastic force. The cutter 200 is fixed to the other end of the elastic sheath 100 facing away from the opening, and the cutter 200 is used for electrical connection with the apparatus body 400.

The cutter assembly may be used in an electric cutting apparatus, which includes the apparatus body 400 and the coupling piece 500 in addition to being provided with the cutter assembly. The device body 400 may generate an electric current, which may have a positive electrode and a negative electrode; the connecting pad 500 may be a conductive structure such as a metal plate that may be used for contact connection with the patient's body. The connection piece 500 and the cutter assembly may be connected to the positive and negative electrodes of the apparatus body 400, respectively.

Wherein, the cutter assembly comprises an elastic sleeve 100 and a cutter 200. The elastic sleeve 100 may be made of elastic material, such as rubber or silicone, which can be deformed by external force, and in an alternative embodiment, the elastic sleeve 100 may be substantially cylindrical, and one end of the elastic sleeve 100 may have an opening, and the other end of the elastic sleeve may be closed, and the elastic sleeve 100 may be worn on a finger to form a finger stall structure.

Because the elastic sleeve 100 has certain elasticity, when a user wears the elastic sleeve 100, the elastic sleeve 100 can be tightly hooped on the finger, so that the elastic sleeve can be tightly attached to the skin, and the accuracy of the touch feeling of the finger is improved.

The cutter 200 may be disposed at the closed end of the elastic sheath 100, i.e., the end of the elastic sheath 100 facing away from the opening. The cutter 200 may be protruded out of the elastic sheath 100, and the cutter 200 may be located at the front end of the finger when the user wears the elastic sheath 100.

The cutter 200 may be formed of a conductive metal, which may be electrically connected to the apparatus body 400, for example, the cutter 200 may be connected to the positive electrode of the apparatus body 400, and the connecting piece 500 may be connected to the negative electrode of the apparatus body 400, and when the cutter 200 is in contact with the patient's body, current may pass through the apparatus body 400 to the cutter 200, be conducted through the patient's body to the connecting piece 500, and then be conducted to the apparatus body 400 via the connecting piece 500, forming a current loop, so that the cutter 200 may cut the patient's body.

Of course, the cutter 200 may be connected to the negative electrode of the apparatus main body 400, and the connecting piece 500 may be connected to the positive electrode of the apparatus main body 400, and may be provided according to the actual situation.

When the mastectomy is performed, an incision is formed on a patient body, then a finger wearing the elastic sleeve 100 is extended into the body along the incision, then the cutting position can be determined by touching the boundary between the breast and the surrounding tissues with the finger, and after the cutting position is determined, the finger can be moved to enable the cutter 200 to be aligned with the boundary, so that the cutting is realized.

Because the user can rely on the sense of touch to judge the boundary of mammary gland and surrounding tissue after wearing elastic sleeve 100, has reduced the operation degree of difficulty, and cutter 200 installs on elastic sleeve 100, after confirming the cutting position, only need slightly remove the finger alright with cutter 200 alignment boundary, reduced the deviation between the position of cutting and the boundary that touches, the operation is accurate, and the success rate is high.

It can be understood that, because the touch feeling of the finger abdomen is accurate, the cutting position can be determined by touching the finger abdomen during the operation, the cutter 200 can be arranged at the position around the finger abdomen, the distance between the cutter 200 and the finger abdomen is reduced, thereby reducing the displacement of the cutter 200 moving to the cutting position after the cutting position is determined, and improving the accuracy of the operation.

Optionally, the cutter 200 may be disposed at the finger tip, and after the elastic sleeve is worn, the cutter 200 may be protruded along the extending direction of the finger to be disposed at the finger tip, so as to facilitate the finger abdomen touch, and simultaneously, the displacement of the cutter 200 moving to the cutting position may be reduced, thereby further improving the accuracy of the surgical operation.

As an implementation manner of the cutter 200, the cutter 200 includes a cutter body 210 and a cutting portion 220, the cutter body 210 is fixed on the elastic sleeve 100, the cutting portion 220 is located at an end of the cutter body 210 away from the elastic sleeve 100, and a cross-sectional area of the cutting portion 220 gradually decreases from an end close to the cutter body 210 to an end away from the cutter body 210.

The cutter body 210 may be a cylindrical structure, and may be fixed to the elastic sleeve 100 in various ways, such as bonding or clipping. The cutting part 220 is arranged on the cutter body 210, the cutting part 220 and the cutter body 210 can be integrally formed, the cutting part 220 can be an actual cutting part, the cross section area of the cutting part is gradually reduced from one end close to the cutter body 210 to one end back to the cutter body 210, and therefore the cutting part 220 forms a smooth tip and is convenient for cutting tissues. Wherein the cross section may be a section perpendicular to the protruding direction of the cutter 200.

In addition, the size of the cutter 200 protruding from the elastic sleeve 100 is 0.5-1.5mm, i.e. the total length of the cutter body 210 and the cutting part 220 may be 0.5-1.5mm, for example, 1 mm. The cutter 200 has a small size, and a required moving distance is small, so that a touched cutting position can be accurately cut.

As an alternative to the elastic sleeve 100, the elastic sleeve 100 may be an elastic glove having a plurality of finger stalls 110, each finger stall 110 for accommodating one finger, and the cutter 200 is fixed to one finger stall 110 of the elastic glove.

The elastic sleeve 100 may be an elastic glove made of common silicone or rubber, and the elastic glove may be attached to the hand of the user. The elastic glove may have a plurality of finger sleeves 110, for example, the elastic glove may include a palm portion and five finger sleeves 110 connected to the palm portion, and an opening may be disposed at an end of the palm portion facing away from the five finger sleeves 110, so as to facilitate extending a hand into the elastic glove 100. The cutter 200 may be disposed on one of the finger cuffs 110.

The elastic gloves are convenient to process, the fixing strength between the cutter 200 and the hand can be improved, gaps between the cutter 200 and fingers are avoided, and operation errors are reduced.

Alternatively, the cutter 200 is fixed to the finger stall 110 for receiving the index finger, and it is more convenient to touch and cut the cutter 200 on the index finger.

Further, the cutter 200 is fixed at the top end of the finger sleeve 110 departing from the opening, so that the cutter is positioned at the fingertip of the index finger, the finger abdomen is convenient to touch the boundary of the mammary gland and the surrounding tissues, meanwhile, the displacement of the cutter 200 moving to the cutting position can be reduced, and the accuracy of the operation is further improved.

In order to supply current to the cutter 200, a first wire 300 may be connected to the cutter body 210, and an end of the first wire 300 facing away from the cutter body 210 penetrates the elastic sleeve 100 and extends out of the elastic sleeve 100 through the opening to be connected to the apparatus main body 400.

Specifically, a through hole may be formed at a position where the cutter 200 is mounted on the elastic sleeve 100, and one end of the first wire 300 may pass through the through hole to be fixedly connected to the cutter body 210, for example, the first wire 300 may be welded to the cutter body 210. The other end of the first wire 300 may pass through the inside of the elastic sheath 100 and be connected to the device body 400 after protruding from the opening.

Optionally, a portion of the first wire 300 is fixed in the elastic sleeve 100, and the portion of the first wire 300 is located on the back of the finger. That is, the first wire 300 may be fixed in the elastic sleeve 100, and after the user wears the elastic sleeve 100, the wire may be located between the back of the hand and the elastic sleeve 100, without affecting the boundary between the finger abdomen touch breast and the surrounding tissue.

The present embodiment provides an electrotomy device comprising: device body 400, connecting tab 500, and a cutter assembly. The apparatus body 400 is used to generate electric current. Connecting sheet 500 is electrically connected to device body 400, connecting sheet 500 being for contact with the patient's body; the cutter 200 of the cutter assembly is electrically connected to the apparatus body 400.

The resecting device may be used in a mastectomy procedure, it being understood that it may also be used in other procedures where the field of view is limited, where the cutting position cannot be determined visually, but rather by means of a touch membrane.

The device body 400 may generate an electric current, which may be a device capable of generating an electric current commonly known in the art; the device body 400 may have a positive electrode and a negative electrode.

The connecting piece 500 may be a conductive structure such as a metal sheet, which may be used for contact connection with the body of the patient, for example, it may be fixed outside the body by means of adhesive or the like.

The connection piece 500 and the cutter assembly may be connected to the positive and negative electrodes of the apparatus body 400, respectively. The connection piece 500 may be connected to the apparatus body 400 by a second wire. The structure and function of the cutter assembly may be the same as those of the above embodiments, and specific reference may be made to the above embodiments, which are not described herein again.

When the mastectomy is performed, an incision can be formed on a patient body, then a finger wearing the elastic sleeve 100 is stretched into the body along the incision, then the cutting position can be determined by touching the boundary between the breast and the surrounding tissues through the finger, and after the cutting position is determined, the finger can be moved to enable the cutter 200 to be aligned with the boundary, so that cutting is realized.

Optionally, the electric cutting apparatus includes a pedal 600, the pedal 600 is connected to the apparatus body 400, and the pedal 600 is used to control whether an electric current flows through the cutting blade 200 or the connecting piece 500.

The pedal 600 may be a switch structure for controlling whether the cutter 200 has current, when the pedal 600 is pressed, a path is formed between the apparatus body 400 and the cutter 200, the current may flow to the cutter 200 through the apparatus body 400, at this time, the cutter 200 may perform cutting, when the pedal 600 is released, an open circuit is formed between the apparatus body 400 and the cutter 200, and the cutter 200 may stop cutting without the current passing therethrough. The pedal 600 can be driven by foot treading, so that the hands of the user are released, and the operation is convenient.

When the mastectomy is performed, a cut can be formed on the body of a patient, then a finger wearing the elastic sleeve 100 is cut into the body along the cut, then the boundary between the breast and the surrounding tissues can be touched by the finger to determine the cutting position, after the cutting position is determined, the finger can be moved to enable the cutter 200 to be aligned with the boundary, then the pedal is stepped on, the cutter 200 is powered on, and therefore cutting is achieved.

The electric cutting device provided by the embodiment is provided with the elastic sleeve and the cutter; one end of the elastic sleeve is provided with an opening which is used for allowing the fingers of a user to extend into the elastic sleeve, and the elastic sleeve can be attached and fixed on the fingers of the user by means of elasticity. The cutter is fixed at the other end of the elastic sleeve, which is far away from the opening, and the cutter is used for being electrically connected with the equipment main body. In the mastectomy, the doctor can wear the elasticity cover on hand, through stretching into the incision with the finger, can confirm the boundary of mammary gland and surrounding tissue through the finger touch, then aim at the boundary with the cutter on the finger and cut, also can judge the boundary of mammary gland and surrounding tissue through the touch even the incision is less under the condition that can't see clearly, and the degree of accuracy is high, easy operation.

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 based on the orientation or positional relationship shown in 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; may be mechanically coupled, may be electrically coupled or may be in communication with each other; 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 above, 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.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A cutter assembly, comprising:

the elastic sleeve is provided with an opening at one end, the opening is used for allowing a finger of a user to extend into the elastic sleeve, and the elastic sleeve can be attached and fixed on the finger of the user by means of elasticity;

2. The cutter assembly of claim 1, wherein the cutter comprises a cutter body and a cutting portion, the cutter body is fixed on the elastic sleeve, the cutting portion is located at an end of the cutter body facing away from the elastic sleeve, and the cross-sectional area of the cutting portion gradually decreases from an end close to the cutter body to an end facing away from the cutter body.

3. The cutter assembly of claim 2, wherein the cutter blades protrude from the elastomeric sleeve by a dimension of 0.5-1.5 mm.

4. The cutter assembly of claim 1 wherein said elastomeric sleeve is an elastomeric glove having a plurality of finger cuffs, each finger cuff for receiving a finger, and said cutter is secured to one of said finger cuffs of said elastomeric glove.

5. The cutter assembly of claim 4, wherein said cutter is secured to said finger cuff for receiving an index finger.

6. The cutter assembly of claim 5, wherein said cutter is secured to the top end of said finger cuff facing away from said opening such that said cutter is located at the tip of said index finger.

7. The cutter assembly according to any one of claims 2 to 6, wherein the cutter body is connected with a first wire, one end of the first wire, which is away from the cutter body, penetrates through the elastic sleeve, and extends out of the elastic sleeve from the opening to be connected with the equipment main body.

8. The cutter assembly of claim 7, wherein a portion of the first wire is secured within the elastomeric sleeve and the portion of the first wire is located on a back side of a finger.

9. An electrotomy device, comprising: a device body, a connecting piece, and a cutter assembly of any one of claims 1-8;

the device body is used for generating current;

10. The electric cutting device as claimed in claim 9, comprising a pedal connected to the apparatus body for controlling whether an electric current flows through the cutting blade or the connecting piece.