CN112263324A - Parallel pin type electric tool bit - Google Patents
Parallel pin type electric tool bit Download PDFInfo
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- CN112263324A CN112263324A CN202011156204.6A CN202011156204A CN112263324A CN 112263324 A CN112263324 A CN 112263324A CN 202011156204 A CN202011156204 A CN 202011156204A CN 112263324 A CN112263324 A CN 112263324A
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- 230000006835 compression Effects 0.000 claims abstract description 36
- 238000007906 compression Methods 0.000 claims abstract description 36
- 238000001125 extrusion Methods 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims description 28
- 238000000576 coating method Methods 0.000 claims description 28
- 239000000919 ceramic Substances 0.000 description 15
- 230000009471 action Effects 0.000 description 12
- 238000009413 insulation Methods 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000004939 coking Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000004005 microsphere Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
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- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003958 fumigation Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000010999 medical injection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002406 microsurgery Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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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
-
- 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
-
- 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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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention discloses a needle-mounted 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 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 injection needle head can be adopted, and the injection needle head 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. The opening end of the rear section of the cleaning shovel is provided with a strip-shaped extension section, the whole strip-shaped extension section is parallel to the axis direction of the ceramic sheath, and the rear end of the extension section is provided with a bend facing the axis direction of the ceramic sheath; 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 labor and can eliminate the harm of coking gas to medical staff.
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 button switch, the handle of a knife is the cavity sleeve pipe, and is equipped with the flexible actuating mechanism of tool bit and the rotatory rotary driving mechanism of drive tool bit around the tool bit center pin that the drive 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.
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 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.
Optionally, the top end of the electric knife handle is connected with an extrusion ball in an embedded manner.
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 electric knife handle cavity, and the lower wall of the electric knife handle cavity 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 electric knife push rod and the needle type electric knife head, and fastening nuts are screwed at the tail ends of the fastening bolts.
Optionally, the outer surface of the needle type electric tool bit 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, solves the problems 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.
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; 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.
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 sectional view of the upper layer of an electric knife handle with an electric needle-type knife head according to an embodiment of the present invention;
FIG. 3 is a side view of an electric scalpel handle incorporating a needle-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 an electric tool bit with pins mounted at location A according to an embodiment of the present invention;
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 cutter 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. cushion blocks; 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 clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. 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-pin 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.
In this embodiment, as shown in fig. 1-6, when a surgeon needs to perform a related surgical operation, by pushing the pushing block 6, a strip-shaped friction portion is formed on the upper surface of the pushing block 6, and when the surgeon pushes the pushing block, a finger of the surgeon generates friction force with the strip-shaped friction portion, 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 move synchronously, the linkage rod 18 connected to the lower end of the electrotome 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 press inward under the action of lateral external force, the compression spring B17 is compressed, 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, and when encountering different positioning holes 14, the compression spring B17 is reset under the action of compression elastic force, and is fastened and fixed with the positioning holes 14 on different positions, so as to, 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; 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.
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 pad 13 can cooperate with the arc-shaped support block 11 to compress, so that the compression ball 10 reacts against the U-shaped handle 4 at the top end under the action of the compression spring a12, and the fixation is completed 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 fig. 1 and 3, in this embodiment, by pushing the pushing block 6, the strip-shaped friction portion is formed on the upper surface of the pushing block 6, and the fingers of the surgeon generate friction force with the strip-shaped friction portion 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 this embodiment, as shown in fig. 6, a 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 specifically made of HX-012 high temperature resistant coating, and HX-012 high temperature resistant coating is a new material derived from a space technology for heat preservation and insulation of a spacecraft, and has various advantages of water resistance, fire resistance, corrosion resistance, wear resistance, insulation and the like, the coating uses a latest nano ceramic technology, and the heat insulation efficiency can reach over 90%.
It should be noted that the invention is a needle-mounted electric knife head, when in use, when a surgeon needs to perform a relevant surgical operation, the surgeon pushes the pushing block 6, the upper surface of the pushing block 6 is provided with a strip-shaped friction part, when pushing, 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, 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 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; 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.
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; a positioning hole 14; a positioning rod 15; a telescopic sleeve 16; a 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 (7)
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, the lower end of the electric knife push rod (5) is detachably connected with a needle type electric knife head (7).
2. Parallel-mounted needle electric knife head according to claim 1, characterized in that the top end of the electric knife handle (1) is embedded and connected with a squeezing ball (10).
3. The parallel-mounting pin type electric tool bit as claimed in claim 2, wherein 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 tool holder (1), and the lower wall of the cavity of the electric tool holder (1) is fixedly connected with a cushion block (13).
4. A parallel-mounting needle electric knife head according to claim 3, characterized in that a compression spring a (12) is elastically connected between the arc-shaped supporting block (11) and the cushion block (13).
5. 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).
6. 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).
7. Parallel-mounted needle electric tool bit according to claim 1, characterized in that the outer surface of the needle electric tool bit (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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| CN112263324B CN112263324B (en) | 2022-07-26 |
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| CN210447189U (en) * | 2019-06-05 | 2020-05-05 | 赵义军 | Improved telescopic electrotome |
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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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| CN112263324B (en) | 2022-07-26 |
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Effective date of registration: 20240131 Address after: 7A89, 7th Floor, No. 100 Weidi Road, Hexi District, Tianjin, 300202 Patentee after: Dakangcheng (Tianjin) Technology Co.,Ltd. Country or region after: China Address before: No.12, Gezhuang third neighborhood committee, Zhushan sub district office, Jiaonan City, Qingdao City, Shandong Province 266400 Patentee before: Liu Lichang Country or region before: China |