CN209966546U - Anti-fracture needle-type electrotome pen - Google Patents
Anti-fracture needle-type electrotome pen Download PDFInfo
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- CN209966546U CN209966546U CN201920613339.7U CN201920613339U CN209966546U CN 209966546 U CN209966546 U CN 209966546U CN 201920613339 U CN201920613339 U CN 201920613339U CN 209966546 U CN209966546 U CN 209966546U
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Abstract
The utility model discloses an anti-fracture needle-type electric knife pen, which comprises a contraction conversion device, wherein the contraction conversion device is sequentially provided with a main body part, a first contraction section and a second contraction section from left to right; the shrinkage conversion device is axially provided with a mounting hole, and the left side of the mounting hole is provided with a conductive pen core; a lock nut for locking the silver needle is arranged at the contraction section formed by the first contraction section and the second contraction section; the main body part is provided with a handle shell. The utility model has the advantages that: 1. the steel needle head is replaced by the silver needle head, so that on one hand, the silver needle head has high ductility and cannot be easily broken. 2. Adopt the flexible glue to replace plastics to make the handle shell, improved the holistic shock-absorbing capacity of electrotome pen, avoided the electrotome pen to fall behind, the condition of inner structure damage takes place. 3. The lock nut is matched with the first contraction section and the second contraction section, so that the needle head replacement function of the electric knife pen is increased, and resources are saved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially a prevent cracked needle type electrotome pen.
Background
The electric knife pen is an electric surgical device for replacing a mechanical scalpel to cut tissues, and is widely applied to surgical operations. The high-frequency high-voltage current generated by the head of the effective electrode heats the tissue when contacting with the human body, so that the tissue of the human body is separated and coagulated, and the cutting and hemostasis purposes are achieved. Has the advantages of rapid hemostasis, less bleeding, bacterial infection prevention, good postoperative healing of patients and the like.
The existing needle-type electric knife pen is mostly disposable, and can be directly discarded after being used, thereby causing resource waste; the needle head of the disposable electric knife pen is mostly a steel needle, so that the steel needle is easy to break under the conduction of high-frequency current; the shell of the disposable electric knife pen is made of plastic, so that the shock absorption effect is poor under the condition of falling, and the internal structure is easily damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the easy problem of fracture, the weak, the wasting of resources of shell goods shock attenuation of disposable electrotome pen needle, provide a prevent cracked needle type electrotome pen.
A breakage-proof needle-type electric knife pen comprises a shrinkage conversion device, wherein the shrinkage conversion device is sequentially provided with a main body part, a first shrinkage section and a second shrinkage section from left to right; the shrinkage conversion device is axially provided with a mounting hole, and the left side of the mounting hole is provided with a conductive pen core; the left end of the shrinkage conversion device is provided with an electrode, one side of the electrode is connected with the left end of the conductive pen core, the other side of the electrode is connected with a lead, the lead is provided with a switch, and a connecting sheet is arranged in the mounting hole and positioned at the right end of the conductive pen core; the right side of the mounting hole is provided with a silver needle, the left end of the silver needle is connected with the connecting sheet, and the right end of the silver needle extends out of the mounting hole to form an extending part; a lock nut for locking the silver needle is arranged at the contraction section formed by the first contraction section and the second contraction section; the main body part is provided with a handle shell.
Furthermore, an insulating rear pen cap is arranged on the left side of the handle shell, and an insulating front pen cap is arranged on the right side of the handle shell.
Furthermore, the handle shell is integrally made of soft rubber.
Furthermore, the extension part of the silver needle is also wrapped with a latex tube.
Furthermore, the outer surfaces of the two ends of the main body part and the outer surface of the lock nut are also provided with anti-skid grains.
The utility model has the advantages that:
1. the steel needle head is replaced by the silver needle head, so that on one hand, the ductility of the silver needle head is high, the silver needle head cannot be easily broken, and on the other hand, the conductivity of the silver needle head is stronger.
2. Adopt the flexible glue to replace plastics to make the handle shell, improved the holistic shock-absorbing capacity of electrotome pen, avoided the electrotome pen to fall behind, the condition of inner structure damage takes place.
3. The lock nut is matched with the first contraction section and the second contraction section, so that the needle head replacement function of the electric knife pen is increased, and resources are saved.
Drawings
FIG. 1 is a schematic structural diagram of an electric knife pen;
FIG. 2 is a schematic structural view of the electric pencil without the front and rear insulating caps;
FIG. 3 is an enlarged view of a portion of the connection structure of the first and second constrictors;
in the figure, 1-a handle shell, 2-a contraction conversion device, 3-a conductive pen core, 4-a silver needle, 5-an electrode, 6-a latex tube, 7-a connecting sheet, 8-a locking nut, 9-a lead, 10-a switch, 11-an insulating front pen cap, 12-an insulating rear pen cap, 21-a main body part, 22-a first contraction section and 23-a second contraction section.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
Example (b):
as shown in fig. 1 and 2, an anti-fracture needle-type electric knife pen includes a contraction conversion device 2, wherein the contraction conversion device 2 has a main body portion 21, a first contraction section 22 and a second contraction section 23 in sequence from left to right; the shrinkage conversion device 2 is axially provided with a mounting hole, and the left side of the mounting hole is provided with a conductive pen core 3; an electrode 5 is arranged at the left end of the contraction conversion device 2, one side of the electrode 5 is connected with the left end of the conductive pen core 3, the other side of the electrode 5 is connected with a lead 9, a switch 10 is arranged on the lead, and a connecting sheet 7 is arranged in the mounting hole and positioned at the right end of the conductive pen core 3; the right side of the mounting hole is provided with a silver needle 4, the left end of the silver needle 4 is connected with a connecting sheet 7, and the right end of the silver needle 4 extends out of the mounting hole to form an extending part; a lock nut 8 for locking the silver needle 4 is arranged at the contraction section formed by the first contraction section 22 and the second contraction section 23; the handle case 1 is attached to the main body 21.
The handle shell 1 is fixedly sleeved on the outer surface of the main body part 2; the middle of the handle shell 1 is provided with a smooth section for holding, and two sides of the smooth section are respectively provided with a connecting section with external threads.
The connecting sheet 7 is fixedly arranged in the mounting hole, and on one hand, the connecting sheet 7 can cut off the positions of the conductive pen core 3 and the silver needle 4, so that the silver needle 4 can be detachably arranged; and on the other hand, the conductive pen core 3 is used for conducting the current to the silver needle 4.
A lock nut 8 for locking the silver needle 4 is arranged at the contraction section formed by the first contraction section 22 and the second contraction section 23; the lock nut 8 is divided into two parts, one part has a larger inner diameter, and the inside of the part is provided with a thread meshed with the external thread of the first contraction section 22; the other part has a smaller inner diameter for fastening the bifurcated second necked portion 23; by screwing the lock nut 8, the part with the larger inner diameter of the lock nut 8 moves leftwards on the first contraction section 22, and the part with the smaller inner diameter of the lock nut 8 tightly closes the forked clamping section 25, so that the silver needle 4 cannot slide back and forth in the mounting hole.
The left side of the handle shell 1 is provided with an insulated rear pen cap 12, and the right side is provided with an insulated front pen cap 11. The insulating rear pen cap 12 is provided with a small hole through which the lead 9 passes; the insulating rear pen cap 12 is in threaded engagement with the connecting section on the left side of the handle shell 1; through the arrangement of the insulating rear pen cap 12, the connection condition of the lead 9 and the electrode 5 can be conveniently checked, and the electrode 5 is convenient to replace. The insulating front pen cap 11 is in threaded engagement with the connecting section on the right side of the handle shell 1; the purpose is to protect the needle head of the silver needle 4 under the condition of not using the electric knife pen.
The handle shell 1 is integrally made of soft rubber. The flexible glue is a soft damping material, can improve the anti-falling capability of the electric knife pen, and avoids the damage of the internal components of the electric knife pen caused by falling.
The extension part of the silver needle 4 is also wrapped with a latex tube 6. The soft rubber tube 6 is wrapped on the extension part of the silver needle 4, so that the side surface of the silver needle 4 is prevented from being scalded to the skin in the operation.
The outer surfaces of the two ends of the main body part 21 and the outer surface of the lock nut 8 are also provided with anti-skid grains. When the main body part 21 is wrapped by the handle shell 1, two ends of the main body part 21 extend out of the handle shell 1; the anti-slip grains are arranged on the part, extending out of the main body part 21, so that the hand-held electric tool is convenient to hold; the outer surface of the locking nut 8 is provided with anti-slip threads, so that the locking nut 8 can be used conveniently.
The working process of the electric knife pen comprises the following steps: and (3) removing the power supply, opening the insulated pen cap 12, checking whether the lead 9 is normally connected with the electrode 5, and tightly covering the insulated pen cap 12 after normal. Open insulating preceding pen socket 11, then unscrew lock nut 8, take out original silver needle 4 from the mounting hole, replace new silver needle 4, rethread installation lock nut 8 for the great part of lock nut 8 internal diameter moves left at first shrink section 22, and the less part of lock nut 8 internal diameter is with the part A of the bifurcation of second shrink section 23 sticiss, makes silver needle 4 can not make a round trip to slide in the mounting hole. The extension part of the silver needle 4 is sleeved with the latex tube 13, so that only the needle tip of the silver needle 4 is exposed outside; the power is then turned on, the switch 10 is opened and the use of the pencil is started.
After the electric knife pen is used, the switch 10 is closed, the power supply is pulled out, and the insulating front pen cap 11 is in threaded engagement with the connecting section on the left side of the handle shell 1, so that the electric knife pen is protected.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. The utility model provides a prevent cracked needle type electrotome pen which characterized in that: the device comprises a contraction conversion device (2), wherein the contraction conversion device (2) is sequentially provided with a main body part (21), a first contraction section (22) and a second contraction section (23) from left to right; the shrinkage conversion device (2) is axially provided with a mounting hole, and the left side of the mounting hole is provided with a conductive pen core (3); an electrode (5) is arranged at the left end of the contraction conversion device (2), one side of the electrode (5) is connected with the left end of the conductive pen core (3), the other side of the electrode is connected with a lead (9), a switch (10) is arranged on the lead, and a connecting sheet (7) is arranged in the mounting hole and positioned at the right end of the conductive pen core (3); the right side of the mounting hole is provided with a silver needle (4), the left end of the silver needle (4) is connected with the connecting sheet (7), and the right end of the silver needle (4) extends out of the mounting hole to form an extending part; a lock nut (8) for locking the silver needle (4) is arranged at the contraction section formed by the first contraction section (22) and the second contraction section (23); the main body part (21) is provided with a handle shell (1).
2. The anti-fracture needle-type electric knife pen according to claim 1, characterized in that: the left side of the handle shell (1) is provided with an insulated rear pen cap (12), and the right side is provided with an insulated front pen cap (11).
3. The anti-fracture needle-type electric knife pen according to claim 1, characterized in that: the handle shell (1) is integrally made of soft rubber.
4. The anti-fracture needle-type electric knife pen according to claim 1, characterized in that: the extension part of the silver needle (4) is also wrapped with a latex tube (6).
5. The anti-fracture needle-type electric knife pen according to claim 1, characterized in that: the outer surfaces of two ends of the main body part (21) and the outer surface of the lock nut (8) are also provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920613339.7U CN209966546U (en) | 2019-04-30 | 2019-04-30 | Anti-fracture needle-type electrotome pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920613339.7U CN209966546U (en) | 2019-04-30 | 2019-04-30 | Anti-fracture needle-type electrotome pen |
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| Publication Number | Publication Date |
|---|---|
| CN209966546U true CN209966546U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920613339.7U Active CN209966546U (en) | 2019-04-30 | 2019-04-30 | Anti-fracture needle-type electrotome pen |
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| CN (1) | CN209966546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112972020A (en) * | 2021-03-05 | 2021-06-18 | 南方医科大学口腔医院 | Pulling device |
-
2019
- 2019-04-30 CN CN201920613339.7U patent/CN209966546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112972020A (en) * | 2021-03-05 | 2021-06-18 | 南方医科大学口腔医院 | Pulling device |
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