CN112263324B - Parallel pin type electric tool bit - Google Patents
Parallel pin type electric tool bit Download PDFInfo
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- CN112263324B CN112263324B CN202011156204.6A CN202011156204A CN112263324B CN 112263324 B CN112263324 B CN 112263324B CN 202011156204 A CN202011156204 A CN 202011156204A CN 112263324 B CN112263324 B CN 112263324B
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- 238000000576 coating method Methods 0.000 claims description 25
- 230000009471 action Effects 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 description 16
- 238000009413 insulation Methods 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 9
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1412—Blade
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1425—Needle
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- Surgery (AREA)
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- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a parallel-needle type electric knife head, which belongs to the technical field of medical instruments and comprises an electric knife handle, wherein the middle section of the electric knife handle penetrates through an I-shaped shaft, shaft sleeves are rotatably connected to two sides of the I-shaped shaft, a U-shaped handle is fixedly connected to the upper end of each shaft sleeve, an electric knife push rod is slidably connected to the upper surface of the electric knife handle, a T-shaped chute is formed in the electric knife handle, a positioning rod, a telescopic sleeve and a linkage rod are clamped and connected in the T-shaped chute, the positioning rod is fixedly connected with the telescopic sleeve, positioning rods are inserted into two sides of the telescopic sleeve, and a compression spring B is elastically connected between the positioning rods. According to the invention, the U-shaped handle is transversely pushed, the U-shaped handle is separated from the extrusion fixing state of the extrusion ball, and the U-shaped handle is a side auxiliary handle and is matched with the electrotome handle, so that the electric knife is more stable during the operation of a surgeon, the functionality of the needle-mounted electrotome head is increased, and the electric knife is suitable for wide popularization and use.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an electric cutter head with needles arranged in parallel.
Background
The electric knife is a surgical needle used for cutting skin and meat and can automatically sterilize the wound edge.
Patent No. CN200520124191.9 discloses a needle-mounted electric knife head, which comprises a needle tip 1 and a needle bar 2, wherein a flat sleeve 3 is fixed on the needle bar 2, and the length and width of an inner hole 4 of the flat sleeve 3 are consistent with the length and width of the cross section of the electric knife head, so that the electric knife head can be tightly matched when inserted into the flat sleeve 3. The needle-type electric knife head with the parallel connection has the advantages of small volume, small contact surface with tissues, strong local cauterization force, slight wound and bleeding, particular suitability for minimally invasive surgeries of pediatric surgery and microsurgery, more accurate and fine operation, simple structure, easy manufacture, low cost, independent descaling, fumigation, steaming and soaking disinfection and convenient use.
The patent number CN2386782Y discloses an improvement of a medical electric knife head, which is characterized in that the knife head 1 is a thin stainless steel needle, in particular a medical syringe needle can be adopted, and the syringe needle 2 is connected with a nozzle 4 of a handle 5 through a connector 3. The fine needle stainless steel electric knife head can concentrate energy on the needle point at the tail end, has the advantages of rapid energy transfer and falling of cut tissue when performing surgical tissue cutting and hemostasis, reduces the amount of cauterization and coking, and is suitable for surgical operations such as burn, plastic and the like.
Patent No. CN209091616U discloses a medical electric knife head convenient to clean, which comprises a knife head and a connecting column, wherein the knife head is connected with the head end of the connecting column; the connecting column is connected with a cleaning mechanism; the cleaning mechanism comprises a ceramic sheath and a cleaning shovel; the cleaning shovel is divided into a front section and a rear section which are connected with each other; the front section of the cleaning shovel is provided with a cavity corresponding to the shape of the tool bit, and the front section of the cleaning shovel is made of ceramic materials; the rear section of the cleaning shovel is cylindrical, and the front part of the ceramic sheath is sleeved in a cavity of the rear section of the cleaning shovel; the cleaning shovel rear section is stainless steel, and the ceramic sheath passes through the pressure spring with the cleaning shovel and is connected. A strip-shaped extension section is arranged at the opening end of the rear section of the cleaning shovel, the whole strip-shaped extension section is parallel to the axis direction of the ceramic sheath, and a bend facing the axis direction of the ceramic sheath is arranged at the rear end of the extension section; the bend is matched with the edge of the rear end of the ceramic sheath; the outer wall of the ceramic sheath is provided with an annular bulge, and the bent path is arranged between the annular bulge and the edge of the rear end of the ceramic sheath. The electric knife head is convenient to operate and is beneficial to shortening the operation time.
Patent No. CN2427178Y discloses a multi-functional medical electric knife head, belong to the medical instrument field, include by a plastic casing that has metal electrotome piece and has the air extraction, the front end on shell surface is equipped with a plurality of inlet ports, rotatable transparent gas collecting channel and start button, the casing rear end is equipped with tail pipe and the cable of bleeding, the tail pipe of bleeding is connected with a plurality of inlet ports through the air extraction in the casing, and be connected with central suction system or electric aspirator through connecting the rubber tube, in order to take away the generated coking gas when electrotome cuts patient's tissue organ. The invention has reasonable structure, simple manufacture and convenient use, saves manpower and can play a role in eliminating the harm of coking gas to medical personnel.
Patent number CN203220436U discloses a but medical electrotome of electrical control tool bit, including tool bit, handle of a knife and controller, in the one end of tool bit penetrated the handle of a knife along handle of a knife length direction, the handle of a knife outside was equipped with control tool bit electricity and surely push button switch, the handle of a knife is the hollow sleeve pipe, and is equipped with the flexible actuating mechanism of tool bit and the rotary driving mechanism of driving tool bit around the tool bit center pin that the driving tool bit removed along handle of a knife length direction in the handle of a knife. The medical electric knife with the electrically adjustable knife head can adjust the length of the knife head extending out of the knife handle and the rotation angle of the knife head according to needs, and is convenient to operate.
At present, the parallel-pin electric tool bit has certain defects in the technology: 1. the length of the traditional needle-assembling type electric knife head is fixed, and the corresponding length adjustment can not be carried out according to the actual operation requirement; 2. in the past, the electric knife head with the parallel needle type lacks an auxiliary mechanism, and the stability of the electric knife head cannot be ensured only by a single handle when an operation is performed. To this end, we propose an electric tool bit with pins installed.
Disclosure of Invention
The invention provides a needle-mounted electric knife head, a pushing block moves to drive an electric knife push rod to synchronously move, a linkage rod connected with the lower end of the electric knife push rod drives a tail end telescopic sleeve to correspondingly move, positioning rods on two sides of the telescopic sleeve slide and extrude inwards under the action of side external force, a compression spring B is compressed under the force, the telescopic sleeve and the positioning rods connected with the two sides slide along an inner groove on the lower part of an electric knife handle, the compression spring B is reset under the action of compression elastic force when meeting different positioning holes so as to be buckled and fixed with the positioning holes at different positions, so that the needle-mounted electric knife head at the front end of the electric knife push rod can be adjusted in length, the U-shaped handle is transversely pushed to be separated from the extrusion and fixing state with an extrusion ball, the U-shaped handle is a side auxiliary handle and is matched with the electric knife handle, so that a surgeon can more stably operate the electric knife head and increase the functionality of the needle-mounted electric knife head, the problems in the background art can be effectively solved.
The specific technical scheme provided by the invention is as follows:
the invention provides a parallel needle type electric cutter head which comprises an electric cutter handle, wherein the middle section of the electric cutter handle penetrates through an I-shaped shaft, shaft sleeves are rotatably connected to two sides of the I-shaped shaft, a U-shaped handle is fixedly connected to the upper end of each shaft sleeve, an electric cutter push rod is slidably connected to the upper surface of the electric cutter handle, a T-shaped chute is formed in the electric cutter handle, a positioning rod, a telescopic sleeve and a linkage rod are clamped in the T-shaped chute, the positioning rod is fixedly connected with the telescopic sleeve, the positioning rods are inserted into two sides of the telescopic sleeve in an inserted mode, a compression spring B is elastically connected between the positioning rods, positioning holes are formed in the outer walls of two sides of the electric cutter handle, the positioning rods penetrate through the positioning holes, and the lower end of the electric cutter push rod is detachably connected with a needle type electric cutter head.
Optionally, the top end of the electric knife handle is embedded and connected with an extrusion ball.
Optionally, the lower end of the extrusion ball is connected with an arc-shaped supporting block, the arc-shaped supporting block is located on the upper wall of the cavity of the electric hilt, and the lower wall of the cavity of the electric hilt is fixedly connected with a cushion block.
Optionally, a compression spring a is elastically connected between the arc-shaped supporting block and the cushion block.
Optionally, the upper end of the electric knife push rod is fixedly connected with a pushing block, and the upper surface of the pushing block is provided with a strip-shaped friction part.
Optionally, fastening bolts penetrate through the electrotome push rod and the needle-type electrotome head, and fastening nuts are screwed at the tail ends of the fastening bolts.
Optionally, the outer surface of the needle type electric knife head is sprayed with a high-temperature resistant coating.
The invention has the following beneficial effects:
1. the invention is practical, convenient to operate and good in use effect, when a surgeon needs to perform related surgical operations, the upper surface of the pushing block is provided with the strip-shaped friction part by pushing the pushing block, the fingers of the surgeon generate friction force with the strip-shaped friction part when pushing, so that the integral pushing of the pushing block is convenient to perform, the pushing block moves to drive the electrotome push rod to synchronously move, the linkage rod connected with the lower end of the electrotome push rod drives the tail end telescopic sleeve to correspondingly move, the positioning rods on the two sides of the telescopic sleeve slide and press towards the inner side under the action of lateral external force, the compression spring B is compressed under the force, the telescopic sleeve and the positioning rods connected with the two sides slide along the inner groove on the lower part of the electrotome handle, and when meeting different positioning holes, the compression spring B is reset under the action of the compression elastic force, so as to be buckled and fixed with the positioning holes on different positions, thereby being capable of performing length adjustment on the needle type electrotome head at the front end of the electrotome push rod, solves the problems that the length of the prior parallel-needle type electric scalpel head is fixed and the corresponding length adjustment can not be carried out according to the actual operation requirement.
2. According to the invention, the U-shaped handle is transversely pushed, the U-shaped handle is separated from the extrusion fixing state of the extrusion ball, the U-shaped handle is a side position auxiliary handle and is matched with the electrotome handle, so that a surgeon can more stably operate the electrotome, the functionality of the needle-mounting type electrotome head is increased, the U-shaped handle is clamped into the upper end of the extrusion ball again when the U-shaped handle is not needed to be used for auxiliary operation, the extrusion ball extrudes the compression spring A through the arc-shaped supporting block, the cushion block can be matched with the arc-shaped supporting block for extrusion, the extrusion ball forms a reaction force on the U-shaped handle at the top end under the action of the compression elasticity of the compression spring A, and the fixation is completed again, so that the problem that the conventional needle-mounting type electrotome head is lack of an auxiliary mechanism and the electric stability cannot be ensured only by the single handle when an operation is performed is solved; the high-temperature-resistant coating is sprayed on the exterior of the needle type electric tool bit, the high-temperature-resistant coating 19 is made of HX-012 high-temperature-resistant coating, the HX-012 high-temperature-resistant coating is a new material derived from a space technology for heat preservation and heat insulation of a spacecraft, and has the advantages of water resistance, fire resistance, corrosion resistance, wear resistance, insulation and the like, the coating is applied to the latest nano ceramic technology, the heat insulation efficiency can reach over 90 percent, the product consists of a high-temperature binder, nano high-temperature ceramic microspheres, various high-temperature fillers and special additives, and can work in a high-temperature environment of 1100 ℃ for a long time to insulate heat the needle type electric tool bit, so that the whole needle type electric tool bit can be conveniently sterilized and disinfected at high temperature.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of an electrical tool bit with pins according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the upper layer of an electric knife handle with an electric needle-mounted electric knife head according to an embodiment of the present invention;
FIG. 3 is a side view of an electric scalpel head incorporating a bayonet type electric scalpel head according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a positioning mechanism incorporating a needle-type electric tool bit according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a parallel-mounting pin type electric tool bit in the embodiment of the invention at the position A;
FIG. 6 is a schematic view of a high temperature resistant coating for a mounted needle electric tool bit according to an embodiment of the present invention;
in the figure: 1. an electric knife handle; 2. an I-shaped shaft; 3. a shaft sleeve; 4. a U-shaped handle; 5. an electrotome push rod; 6. a pushing block; 7. a needle type electric knife head; 8. fastening a bolt; 9. fastening a nut; 10. extruding the ball; 11. an arc-shaped supporting block; 12. compressing the spring A; 13. a cushion block; 14. positioning holes; 15. positioning a rod; 16. a telescopic sleeve; 17. a compression spring B; 18. a linkage rod; 19. and (3) high-temperature resistant coating.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A parallel mounting pin type electric tool bit according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 6.
As shown in fig. 1-6, a needle-mounted electric knife head comprises an electric knife handle 1, wherein an I-shaped shaft 2 penetrates through the middle section of the electric knife handle 1, two sides of the I-shaped shaft 2 are rotatably connected with shaft sleeves 3, a U-shaped handle 4 is fixedly connected to the upper ends of the shaft sleeves 3, an electric knife push rod 5 is slidably connected to the upper surface of the electric knife handle 1, a T-shaped chute is formed in the electric knife handle 1, a positioning rod 15, a telescopic sleeve 16 and a linkage rod 18 are clamped in the T-shaped chute, the positioning rod 15 is fixedly connected with the telescopic sleeve 16, positioning rods 15 are inserted into two sides of the telescopic sleeve 16, a compression spring B17 is elastically connected between the positioning rods 15, positioning holes 14 are formed in the outer walls of two sides of the electric knife handle 1, the positioning rods 15 penetrate through the positioning holes 14, and the lower end of the electric knife push rod 5 is detachably connected with a needle-type electric knife head 7.
In the embodiment, as shown in fig. 1-6, when a surgeon needs to perform a related surgical operation, by pushing the pushing block 6, the upper surface of the pushing block 6 is provided with a strip-shaped friction portion, a finger of the surgeon generates friction force with the strip-shaped friction portion when pushing, so as to facilitate the overall pushing of the pushing block 6, the pushing block 6 moves to drive the electrotome push rod 5 to synchronously move, the linkage rod 18 connected to the lower end of the electrotome push rod 5 drives the tail end telescopic sleeve 16 to correspondingly move, the positioning rods 15 on both sides of the telescopic sleeve 16 slide and extrude inwards under the action of lateral external force, the compression spring B17 is compressed under force, the telescopic sleeve 16 and the positioning rods 15 connected to both sides slide along the inner groove on the lower portion of the electrotome handle 1, when encountering different positioning holes 14, the compression spring B17 is reset under the action of compression elastic force, so as to be fastened and fixed with the positioning holes 14 on different positions, thereby adjusting the length of the needle-type electrotome head 7 on the front end of the electrotome push rod 5, the problem that the length of the traditional parallel needle type electric knife head is fixed and the corresponding length adjustment can not be carried out according to the actual operation requirement is solved; the U-shaped handle 4 is transversely pushed, the U-shaped handle 4 is separated from the extrusion fixing state of the extrusion ball 10, the U-shaped handle 4 is a side position auxiliary handle and is matched with the electric knife handle 1, so that a surgeon can more stably move a knife in an operation, the functionality of the electric knife head with the needle is increased, when the U-shaped handle 4 is not needed to be used for auxiliary operation, the U-shaped handle 4 is clamped at the upper end of the extrusion ball 10 again, the extrusion ball 10 extrudes the compression spring A12 through the arc-shaped supporting block 11, the cushion block 13 can be matched with the arc-shaped supporting block 11 for extrusion, the extrusion ball 10 forms a reaction force on the U-shaped handle 4 at the top end under the action of the compression elastic force of the compression spring A12, the fixation is completed again, and the problem that the traditional electric knife head with the needle is lack of an auxiliary mechanism and the stability of the electric knife head cannot be ensured only by means of a single handle during the operation is solved; the high-temperature-resistant coating 19 is sprayed on the exterior of the needle type electric tool bit 7, the high-temperature-resistant coating 19 is made of HX-012 high-temperature-resistant coating, the HX-012 high-temperature-resistant coating is a new material derived from a space technology for heat preservation and heat insulation of a spacecraft, and the high-temperature-resistant coating has the advantages of water resistance, fire resistance, corrosion resistance, wear resistance, insulation and the like, the latest nano ceramic technology is applied to the coating, the heat insulation efficiency can reach over 90 percent, the product is composed of a high-temperature binder, nano high-temperature ceramic microspheres, various high-temperature fillers and special additives, can work in a high-temperature environment of 1100 ℃ for a long time, insulates the needle type electric tool bit 7, and is convenient for sterilizing and disinfecting the needle type electric tool bit 7 at high temperature integrally.
Wherein, the top end of the electric knife handle 1 is embedded and connected with an extrusion ball 10.
In this embodiment, as shown in fig. 2, the pressing ball 10 presses the compression spring a12 through the arc-shaped support block 11.
The lower end of the extrusion ball 10 is connected with an arc-shaped supporting block 11, the arc-shaped supporting block 11 is positioned on the upper wall of the cavity of the electric knife handle 1, and the lower wall of the cavity of the electric knife handle 1 is fixedly connected with a cushion block 13.
In this embodiment, as shown in fig. 2, the cushion block 13 can cooperate with the arc-shaped support block 11 to compress, so that the compression ball 10 can generate a reaction force against the U-shaped handle 4 under the action of the compression spring a12, thereby completing the fixing again.
And a compression spring A12 is elastically connected between the arc-shaped supporting block 11 and the cushion block 13.
In this embodiment, as shown in fig. 2, the compression spring force of the compression spring a12 makes the pressing ball 10 react to the U-shaped handle 4.
Wherein, electrotome push rod 5 upper end fixedly connected with promotes piece 6, promote 6 upper surfaces of piece and seted up bar friction portion.
As shown in figures 1 and 3, in the embodiment, by pushing the pushing block 6, the strip-shaped friction part is formed on the upper surface of the pushing block 6, and the fingers of a surgeon generate friction force with the strip-shaped friction part when pushing, so that the pushing block 6 can be conveniently pushed integrally.
Fastening bolts 8 penetrate through the electrotome push rod 5 and the needle type electrotome head 7, and fastening nuts 9 are screwed at the tail ends of the fastening bolts 8.
In the embodiment, as shown in fig. 1 and 5, the fastening nut 9 is unscrewed by using a relevant tool, the fastening nut 9 is detached from the fastening bolt 8, and then the needle-type electric knife head 7 can be detached from the electric knife push rod 5.
Wherein, the outer surface of the needle type electric knife head 7 is sprayed with a high temperature resistant coating 19.
In the embodiment, as shown in fig. 6, a high-temperature resistant coating 19 is sprayed on the exterior of the needle-type electric scalpel head 7, the high-temperature resistant coating 19 is specifically made of HX-012 high-temperature resistant paint, and HX-012 high-temperature resistant paint is a new material derived from a space technology for heat preservation and heat insulation of a spacecraft, and has various advantages of water resistance, fire resistance, corrosion resistance, wear resistance, insulation and the like, the latest nano ceramic technology is applied to the paint, the heat insulation efficiency can reach more than 90%, the product consists of a high-temperature binder, nano high-temperature ceramic microspheres, various high-temperature fillers and special additives, and can work in a high-temperature environment of 1100 ℃ for a long time to insulate heat of the needle-type electric scalpel head 7, so that the whole needle-type electric scalpel head 7 can be conveniently sterilized and disinfected at a high temperature.
It should be noted that the invention is a needle-mounted electric knife head, when in work, when a surgeon needs to perform a related surgical operation, by pushing the pushing block 6, the upper surface of the pushing block 6 is provided with a strip-shaped friction part, when the surgeon pushes, the fingers of the surgeon generate friction force with the strip-shaped friction part, so as to facilitate the overall pushing of the pushing block 6, the pushing block 6 moves to drive the electric knife push rod 5 to move synchronously, the linkage rod 18 connected with the lower end of the electric knife push rod 5 drives the tail end telescopic sleeve 16 to move correspondingly, the positioning rods 15 on both sides of the telescopic sleeve 16 slide and extrude inwards under the action of lateral external force, the compression spring B17 is compressed under force, the telescopic sleeve 16 and the positioning rods 15 connected on both sides slide along the inner groove on the lower part of the electric knife handle 1, when encountering different positioning holes 14, the compression spring B17 is reset under the action of compression elastic force, so as to be fastened and fixed with the positioning holes 14 on different positions, therefore, the length of the needle type electric knife head 7 at the front end of the electric knife push rod 5 can be adjusted, and the problems that the length of the traditional parallel needle type electric knife head is fixed and the corresponding length adjustment cannot be carried out according to the actual operation requirement are solved; the U-shaped handle 4 is transversely pushed, the U-shaped handle 4 is separated from the extrusion fixing state of the extrusion ball 10, the U-shaped handle 4 is a side position auxiliary handle and is matched with the electric knife handle 1, so that a surgeon can more stably move a knife in an operation, the functionality of the needle-mounted electric knife head is increased, when the U-shaped handle 4 is not needed to be used for auxiliary operation, the U-shaped handle 4 is clamped into the upper end of the extrusion ball 10 again, the extrusion ball 10 extrudes the compression spring A12 through the arc-shaped supporting block 11, the cushion block 13 can be matched with the arc-shaped supporting block 11 for extrusion, the extrusion ball 10 forms a reaction force on the top U-shaped handle 4 under the compression elastic force of the compression spring A12, and the fixation is completed again, and the problem that the traditional needle-mounted electric knife head lacks an auxiliary mechanism and cannot ensure the stability of the electric knife head when the operation is carried out only by means of a single handle is solved; the high-temperature-resistant coating 19 is sprayed on the exterior of the needle type electric tool bit 7, the high-temperature-resistant coating 19 is made of HX-012 high-temperature-resistant coating, the HX-012 high-temperature-resistant coating is a new material derived from a space technology for heat preservation and heat insulation of a spacecraft, and the high-temperature-resistant coating has the advantages of water resistance, fire resistance, corrosion resistance, wear resistance, insulation and the like, the latest nano ceramic technology is applied to the coating, the heat insulation efficiency can reach over 90 percent, the product is composed of a high-temperature binder, nano high-temperature ceramic microspheres, various high-temperature fillers and special additives, can work in a high-temperature environment of 1100 ℃ for a long time, insulates the needle type electric tool bit 7, and is convenient for sterilizing and disinfecting the needle type electric tool bit 7 at high temperature integrally.
The electric knife handle 1 of the invention; an I-shaped shaft 2; a shaft sleeve 3; a U-shaped handle 4; an electrotome push rod 5; a pushing block 6; a needle-type electric knife head 7; a fastening bolt 8; a fastening nut 9; a squeeze bulb 10; an arc-shaped supporting block 11; compression spring a 12; a cushion block 13; positioning holes 14; a positioning rod 15; a bellows 16; compression spring B17; a linkage rod 18; the parts of the refractory coating 19 are all standard parts or parts known to the person skilled in the art, the structure and the principle of which are known to the person skilled in the art by means of technical manuals or by means of routine experimentation.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (4)
1. The electric knife head with the needles arranged in the side comprises an electric knife handle (1) and is characterized in that the middle section of the electric knife handle (1) penetrates through an I-shaped shaft (2), shaft sleeves (3) are rotatably connected to two sides of the I-shaped shaft (2), a U-shaped handle (4) is fixedly connected to the upper end of each shaft sleeve (3), an electric knife push rod (5) is connected to the upper surface of the electric knife handle (1) in a sliding mode, a T-shaped sliding groove is formed in the electric knife handle (1), a positioning rod (15), a telescopic sleeve (16) and a linkage rod (18) are clamped in the T-shaped sliding groove, the positioning rod (15) is fixedly connected with the telescopic sleeve (16), the positioning rods (15) are inserted in two sides of the telescopic sleeve (16), a compression spring B (17) is elastically connected between the positioning rods (15), positioning holes (14) are formed in the outer walls of two sides of the electric knife handle (1), and the positioning rods (15) penetrate through the positioning holes (14), the lower end of the electric knife push rod (5) is detachably connected with a needle type electric knife head (7), the top end of the electric knife handle (1) is embedded and connected with an extrusion ball (10), the lower end of the extrusion ball (10) is connected with an arc-shaped supporting block (11), the arc-shaped supporting block (11) is located on the upper wall of a cavity of the electric knife handle (1), the lower wall of the cavity of the electric knife handle (1) is fixedly connected with a cushion block (13), and a compression spring A (12) is elastically connected between the arc-shaped supporting block (11) and the cushion block (13);
when the U-shaped handle (4) is used, the U-shaped handle (4) is transversely pushed to be separated from the extrusion fixing state of the extrusion ball (10), and the U-shaped handle (4) is an auxiliary handle at the side position and is matched with the electric knife handle (1);
when the U-shaped handle (4) is not used, the U-shaped handle (4) is clamped into the upper end of the extrusion ball (10) again, the extrusion ball (10) extrudes the compression spring A (12) through the arc-shaped supporting block (11), the cushion block (13) can be matched with the arc-shaped supporting block (11) to be extruded together, the extrusion ball (10) forms a reaction force on the U-shaped handle (4) at the top under the action of the compression elastic force of the compression spring A (12), and the fixing is completed again.
2. The parallel-mounted needle type electric knife head as claimed in claim 1, wherein a pushing block (6) is fixedly connected to the upper end of the electric knife push rod (5), and a strip-shaped friction part is formed on the upper surface of the pushing block (6).
3. The parallel-mounting needle type electric knife head according to claim 1, characterized in that a fastening bolt (8) penetrates through the electric knife push rod (5) and the needle type electric knife head (7), and a fastening nut (9) is screwed at the tail end of the fastening bolt (8).
4. Parallel-mounted needle electric cutter head according to claim 1, characterized in that the outer surface of the needle electric cutter head (7) is coated with a high-temperature resistant coating (19).
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| CN202011156204.6A CN112263324B (en) | 2020-10-26 | 2020-10-26 | Parallel pin type electric tool bit |
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| CN202011156204.6A CN112263324B (en) | 2020-10-26 | 2020-10-26 | Parallel pin type electric tool bit |
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| WO1995015122A1 (en) * | 1993-12-03 | 1995-06-08 | Werner Richard S | Retractable surgical knife |
| CN203380834U (en) * | 2013-07-15 | 2014-01-08 | 国家电网公司 | Special wrench for grid line repair |
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| CN209966686U (en) * | 2019-03-19 | 2020-01-21 | 西安市红会医院 | Orthopedic spine correction device |
| CN210447189U (en) * | 2019-06-05 | 2020-05-05 | 赵义军 | Improved telescopic electrotome |
| CN211355585U (en) * | 2019-04-23 | 2020-08-28 | 十堰市人民医院 | Neurosurgery is with contraction type percussion hammer convenient to use |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451646A (en) * | 2018-03-30 | 2018-08-28 | 佛山市健群生物科技有限公司 | A kind of telescopic medical instrument frame |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995015122A1 (en) * | 1993-12-03 | 1995-06-08 | Werner Richard S | Retractable surgical knife |
| CN203380834U (en) * | 2013-07-15 | 2014-01-08 | 国家电网公司 | Special wrench for grid line repair |
| CN108852502A (en) * | 2018-05-16 | 2018-11-23 | 王晖 | A kind of flexible retractable medical electrosurgical |
| CN209966686U (en) * | 2019-03-19 | 2020-01-21 | 西安市红会医院 | Orthopedic spine correction device |
| CN211355585U (en) * | 2019-04-23 | 2020-08-28 | 十堰市人民医院 | Neurosurgery is with contraction type percussion hammer convenient to use |
| CN210447189U (en) * | 2019-06-05 | 2020-05-05 | 赵义军 | Improved telescopic electrotome |
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