CN109465859B - Environment-friendly skin preparation sword for neurosurgery - Google Patents
Environment-friendly skin preparation sword for neurosurgery Download PDFInfo
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- CN109465859B CN109465859B CN201811598223.7A CN201811598223A CN109465859B CN 109465859 B CN109465859 B CN 109465859B CN 201811598223 A CN201811598223 A CN 201811598223A CN 109465859 B CN109465859 B CN 109465859B
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- shell
- parts
- skin preparation
- skin
- powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/16—Safety razors with one or more blades arranged transversely to the handle involving blades with only one cutting edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/40—Details or accessories
- B26B21/44—Means integral with, or attached to, the razor for storing shaving-cream, styptic, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/40—Details or accessories
- B26B21/52—Handles, e.g. tiltable, flexible
Abstract
The invention discloses an environment-friendly skin preparation knife for neurosurgery, which comprises a shaving part and a holding part, wherein the shaving part is fixedly arranged at the upper end of the holding part. According to the invention, the top wall of the shell is of an arc-shaped structure, so that the skin of a patient can be prevented from being scratched; the safety and reliability are realized, and when the knife is not used, the blade can be retracted into the shell by matching the operating handle with the threaded rod, so that the blade can be effectively prevented from accidentally injuring patients or medical care personnel; the skin preparation knife can be prevented from being damaged due to sliding, and meanwhile, the occurrence of accidents of scratching patients due to the fact that medical staff cannot hold the skin preparation knife can be prevented; the lubricant coating device has the function of coating the lubricant, so that the trouble that medical staff use a tool for coating the lubricant in addition can be saved; the prepared lubricant has a good lubricating effect, has an antibacterial effect, and can effectively prevent the skin of a patient from being infected during skin preparation in an operation; the prepared protective layer can prevent the surface of the shell from being stained with bacteria and hair.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an environment-friendly skin preparation knife for neurosurgery.
Background
Skin preparation refers to operation preparation for shaving hair at a corresponding part of an operation and cleaning the body surface, is the operation area cleaning work before the operation of a patient to be operated, and can not only be simple for removing body hair, but also comprise skin cleaning, sometimes skin iodophor scrubbing before the operation and the like. A skin preparation knife is one of the tools commonly used in skin preparation.
The skin preparation knife for neurosurgery in the prior art is not combined with ergonomic design, and often scratches the skin of a patient; the safety performance is poor, and the blade can not be folded when not in use, so that the phenomenon that the blade accidentally injures a patient or medical care personnel often occurs; the skin-care knife is easy to slide off the hand of a medical worker, is often damaged due to sliding off, and also often causes an accident that the medical worker scratches a patient due to the fact that the medical worker cannot hold the skin-care knife; the lubricant smearing tool does not have the function of smearing the lubricant, and medical staff need to use the lubricant smearing tool to smear the lubricant on the skin of a patient, so that the operation is troublesome, and the working efficiency of the medical staff is seriously influenced; in addition, the lubricating effect of the lubricant usually used in combination with a skin preparation knife in the prior art is poor, so that the skin of a patient subjected to skin preparation by operation is easily infected; in addition, the skin preparation knife for neurosurgery operation in the prior art lacks of protective measures, so that the skin preparation knife has poor performances of corrosion resistance, bacteria prevention, foreign matter adhesion prevention and aging resistance, so that the service life of the skin preparation knife is short, and particularly, bacteria and hair are always adhered to the skin preparation knife in the using process, so that the sanitary requirement of the medical equipment cannot be met; in addition, most of the skin preparation knives for neurosurgery in the prior art are disposable, cannot be reused, and have poor environmental protection value, so that an environment-friendly skin preparation knife for neurosurgery is provided to solve the technical problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an environment-friendly skin preparation knife for neurosurgery, the top wall of a shell of a shaving part of the environment-friendly skin preparation knife is of an arc-shaped structure, the skin of a patient can be prevented from being scratched due to the composite ergonomic design, and the hair on the skin of the patient can be straightened due to the arrangement of a plurality of comb teeth, so that the problem that the hair on the skin of the patient is difficult to shave due to the winding of the hair together is avoided; the safety and reliability are realized, and when the knife is not used, the blade can be retracted into the shell by matching the operating handle with the threaded rod, so that the blade can be effectively prevented from accidentally injuring patients or medical care personnel; the skin preparation knife is not easy to slip off from the hand of the medical care personnel, so that the skin preparation knife can be prevented from being damaged due to the slipping off, and meanwhile, the occurrence of accidents of scratching patients due to the fact that the medical care personnel cannot hold the skin preparation knife can be prevented; the lubricant coating function is achieved, the trouble that medical staff use a lubricant coating tool can be saved, and the working efficiency of the medical staff can be improved; the prepared lubricant has a good lubricating effect, has an antibacterial effect, and can effectively prevent the skin of a patient from being infected during skin preparation in an operation; the prepared protective layer can effectively improve the performances of corrosion resistance, bacteria resistance, foreign matter adhesion resistance and ageing resistance of the shell, so that the service life of the skin preparation knife is longer, and more importantly, the surface of the shell can be prevented from being adhered with bacteria and hair, so that the skin preparation knife is clean and sanitary, is convenient to clean, can be repeatedly used and has better environmental protection value.
In order to achieve the purpose, the invention provides the following technical scheme:
an environment-friendly skin preparation knife for neurosurgery comprises a shaving part and a holding part, wherein the shaving part is fixedly arranged at the upper end of the holding part;
the hair shaving part comprises a shell, a sliding seat, guide rails, a cover plate, a threaded rod, a handle and two blades, wherein the top wall of the shell is of an arc-shaped structure, a plurality of comb teeth are uniformly arranged at the junction of the top wall and the bottom wall of the shell, a mounting groove is formed at the junction of the top wall of the shell and the comb teeth, the number of the guide rails is two, the two guide rails are symmetrically and fixedly mounted on two side walls in the shell, two clamping grooves are symmetrically formed at two ends of the sliding seat, the sliding seat is slidably mounted between the two guide rails through the two clamping grooves, the blades are fixedly mounted on the upper portion of the sliding seat through two first bolts, the cutting edges of the blades extend into the mounting groove, the threaded rod is fixedly mounted at the central position of the cover plate through a rolling bearing, and one end of the threaded, the handle is fixedly arranged at the other end of the threaded rod, the handle is positioned outside the shell, and the cover plate is fixedly arranged inside one side, far away from the comb teeth, of the shell through two second bolts;
the gripping part comprises a vertical rod and a rubber sleeve, the upper end of the vertical rod is fixedly connected with the bottom of the shell, and the rubber sleeve is fixedly sleeved outside the vertical rod.
By adopting the technical scheme, the shaving part is used for shaving the hair on the skin of the preoperative surgical position of the patient, the top wall of the shell of the shaving part is of an arc-shaped structure, the ergonomic design is combined, the skin of the patient can be prevented from being scratched, the hair on the skin of the patient can be straightened out by arranging the plurality of comb teeth, the problem that the hair on the skin of the patient is difficult to shave due to winding together is avoided, the blade is fixedly arranged on the upper part of the sliding seat through the two first bolts, the blade is convenient to replace and can move along with the movement of the sliding seat, when the skin preparation knife is not used, the blade can be retracted into the shell through the operating handle matched with the threaded rod, the blade can be effectively prevented from accidentally injuring the patient or medical personnel, and the skin preparation knife is; the part that the portion of gripping held as medical personnel's hand, pole setting and rubber sleeve's cooperation make this skin preparation sword be difficult for and medical personnel's the phenomenon of skidding takes place between the hand, and make this skin preparation sword be difficult for following medical personnel's the landing on hand, not only can avoid this skin preparation sword to damage because of the landing, can prevent simultaneously that medical personnel from holding this skin preparation sword and lead to the unexpected accident appearance of fish tail patient.
Further, the inner bottom wall upper portion of shell is located the broach with still fixed mounting has the stopper between the slide, the shape of stopper upper surface with the shape phase-match of the lower surface of blade sets up, the slide is close to symmetry fixed mounting has two spacing posts on the side of apron.
Through adopting the above technical scheme, the setting of stopper can prevent the too much mounting groove that stretches out of cutting edge of blade, can avoid blade fish tail patient's skin, the shape of stopper upper surface with the shape phase-match of the lower surface of blade sets up, make the stopper still have better support to the blade, can prevent that the blade from taking place elastic deformation in the use, lead to incising patient's skin, the setting of two spacing posts can prevent that the slide is too close to the apron, thereby can avoid the blade to break away from the mounting groove, thereby make the structure of this skin preparation sword more stable, can avoid influencing the use.
Further, the symmetry is equipped with two on the both sides wall of shell and is used for holding two the installation department of second bolt, every the installation department all includes sets up first round hole on the lateral surface of shell lateral wall and sets up second round hole on the lateral surface of shell lateral wall, first round hole with the central line of second round hole coincides the setting mutually, just first round hole with the second round hole is linked together the setting.
By adopting the technical scheme, the first round hole is matched with the second round hole, the second bolt can be completely hidden in the mounting part, and the skin of a patient can be prevented from being scratched due to the protrusion of the second bolt in the use process.
Furthermore, the inside of pole setting is hollow structure, just the inside packing of pole setting has emollient, the bottom spiro union of pole setting has the end cover, the bottom of end cover is inlayed and is had the ball, just the inside of end cover is seted up and is used for emollient with the passageway that the ball contacted.
Through adopting above-mentioned technical scheme, can remove ball laminating patient's skin, at the removal in-process, the ball rotates the even smearing of the inside emollient of pole setting on patient's skin to make this skin preparation sword possess the function of smearing the emollient, can save medical personnel and use the trouble of smearing the instrument of emollient in addition, can improve medical personnel's work efficiency, scribble the emollient simultaneously on patient's skin after, make the hair on the patient's skin more easily shave.
Furthermore, an internal thread is formed in the bottom end of the vertical rod, and an external thread matched with the internal thread is formed on the outer portion of the upper portion of the end cover.
By adopting the technical scheme, the end cover is convenient to disassemble and assemble, and a lubricant is convenient to add.
Further, the bottom of pole setting is still overlapped and is used for the protection the cylindric casing of ball, just the outside of pole setting is close to its bottom an organic whole and is equipped with two bulge loops, an organic whole is equipped with one on the inner wall of cylindric casing and is used for the joint to be in two the bulge loop between the bulge loop.
Through adopting above-mentioned technical scheme, cylindric casing can prevent that the ball from being contaminated, can prevent simultaneously that the ball from suffering to collide with and damage to effectively improve the life of ball, cylindric casing adopts the mounting means of joint simultaneously, makes cylindric casing dismouting of being convenient for, thereby makes this skin preparation sword convenient to use.
Further, a cylindrical groove is formed in the bottom of the cylindrical shell, a sponge block is fixedly mounted inside the cylindrical groove, and the bottom of the sponge block extends to the outside of the cylindrical groove.
By adopting the technical scheme, the sponge block can be used for cleaning the residual shaved hair on the skin of the patient, so that the skin of the patient after skin preparation by operation is cleaner, and the smooth operation is facilitated.
Further, the lubricant is prepared from aloe vera gel and spice powder in a weight ratio of 10: 1, and the spice powder is prepared by uniformly mixing, and the particle diameter of the spice powder is not more than 30 um.
By adopting the technical scheme, the lubricant has a good lubricating effect, has an antibacterial effect, and can effectively prevent the skin of the patient from being infected during the skin preparation operation.
Furthermore, the outside of the rubber sleeve is also integrally provided with one or two of anti-skid grains or anti-skid projections.
Through adopting above-mentioned technical scheme, the setting of anti-skidding line or skid proof raised makes the surface of rubber sleeve have better static coefficient of friction to make medical personnel's hand be difficult for taking place the phenomenon of skidding with the portion of gripping.
Further, a protective layer is further arranged on the surface of the shell, and the protective layer is prepared by the following method:
weighing the following raw materials in parts by weight: 15-20 parts of epoxy resin, 7-11 parts of zinc oxide powder, 9-11 parts of copper oxide powder, 15-20 parts of polytetrafluoroethylene particles, 8-10 parts of glass powder, 5-8 parts of graphite powder, 11-13 parts of silver powder, 3-5 parts of paraffin, 2-4 parts of alcohol ester, 2-4 parts of triethanolamine, 1-3 parts of emulsified silicone oil and 30-40 parts of water;
s1, adding the weighed paraffin, alcohol ester dodeca, triethanolamine, emulsified silicone oil and water into a stirrer, and stirring for 20-30min at the stirring speed of 600-700r/min to obtain a mixed solution;
s2, adding epoxy resin, zinc oxide powder, copper oxide powder, polytetrafluoroethylene particles, glass powder, graphite powder and silver powder into a grinder to grind until the diameter of the material particles is not more than 40um, and preparing a mixed powder material;
s3, adding the mixed solution prepared in the step S1 and the mixed powder material prepared in the step S2 into a reaction kettle, and stirring for 20-30min, wherein the stirring speed of the reaction kettle is set to 800-;
s4, washing the shell with clean water, and drying the shell with a hot air blower;
s5, uniformly spraying the protective coating prepared in the step S3 on the surface of the dried shell by using a high-pressure sprayer spray gun;
s6, the shell 3 sprayed with the protective coating in the step S5 is placed in an oven for drying and curing, the drying and curing temperature is set to be 100 ℃ and 120 ℃, the drying and curing time is set to be 25-30min, and then the protective layer is prepared on the surface of the shell.
By adopting the technical scheme, the process steps for preparing the protective coating are simple, the method is easy to realize, the prepared protective coating is moderate in viscosity, not easy to layer, convenient to spray, free of bubble generation, good in comprehensive performance, and capable of forming a good coating film after spraying, not easy to generate cracks, and good in film forming effect, the prepared protective layer has good performances of corrosion resistance, bacteria resistance, adhesion-resistant foreign matter and ageing resistance, is good in adhesiveness and not easy to fall off, and can effectively increase the performances of corrosion resistance, bacteria resistance, adhesion-resistant foreign matter and ageing resistance of the shell, so that the service life of the skin preparation knife is long, and more importantly, bacteria and hair can be prevented from being adhered to the surface of the shell, and the skin preparation knife is clean, convenient to clean, reusable and good in environmental protection value.
In summary, the invention mainly has the following beneficial effects:
1. according to the invention, the top wall of the shell of the shaving part is of an arc-shaped structure, the skin of a patient can be prevented from being scratched due to the composite ergonomic design, and the hair on the skin of the patient can be straightened due to the arrangement of the plurality of comb teeth, so that the hair on the skin of the patient is prevented from being wound together and is difficult to shave;
2. according to the skin preparation knife, the blade is fixedly arranged on the upper part of the sliding seat through the two first bolts, so that the blade is convenient to replace and can move along with the movement of the sliding seat, when the skin preparation knife is not used, the blade can be retracted into the shell through the operation handle matched with the threaded rod, a patient or medical personnel can be effectively prevented from being accidentally injured by the blade, and the skin preparation knife is safe and reliable;
3. according to the invention, the matching of the upright rod and the rubber sleeve ensures that the skin preparation knife is not easy to slip from the hand of a medical worker, and the skin preparation knife is not easy to slip from the hand of the medical worker, so that the damage of the skin preparation knife due to the slipping can be avoided, and meanwhile, the occurrence of accidents of scratching patients caused by the fact that the medical worker cannot hold the skin preparation knife can be prevented;
4. according to the skin preparation knife, the balls can be attached to the skin of a patient to move, and in the moving process, the balls rotate to uniformly coat the lubricant in the vertical rods on the skin of the patient, so that the skin preparation knife has the function of coating the lubricant, the trouble that medical staff additionally use tools for coating the lubricant can be omitted, the working efficiency of the medical staff can be improved, and meanwhile, after the lubricant is coated on the skin of the patient, hairs on the skin of the patient can be easily shaved off;
5. according to the invention, the sponge block can be used for cleaning the residual shaved hair on the skin of the patient, so that the skin of the patient after skin preparation by an operation is relatively clean, and the smooth operation is facilitated;
6. the prepared lubricant has a good lubricating effect, has an antibacterial effect, and can effectively prevent the skin of a patient from being infected during skin preparation in an operation;
7. the preparation method disclosed by the invention has the advantages that the preparation process steps of the protective coating are simple and easy to realize, the prepared protective coating is moderate in viscosity, not easy to layer, convenient to spray, free of bubble generation, good in comprehensive performance, capable of forming a good coating after spraying, not easy to generate cracks, good in film forming effect, good in corrosion resistance, bacteria resistance, anti-sticking foreign matters and ageing resistance, good in adhesiveness and not easy to fall off, and capable of effectively increasing the corrosion resistance, bacteria resistance, anti-sticking foreign matters and ageing resistance of the shell, so that the service life of the skin preparation knife is long, and particularly, the skin preparation knife is clean and sanitary, convenient to clean, reusable and good in environmental protection value.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure at different viewing angles according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 4 is a schematic view of the internal structure of a shaving section according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a shaving section according to an embodiment of the present invention;
FIG. 6 is a schematic view of an assembled plane structure of the housing and the guide rail according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of an assembly of a housing and a rail according to an embodiment of the present invention;
fig. 8 is one of the exploded structural views of a shaving section according to an embodiment of the present invention;
FIG. 9 is a second schematic exploded view of a shaving section according to an embodiment of the present invention;
FIG. 10 is an enlarged view of the structure at A in FIG. 9;
fig. 11 is a third schematic exploded view of a shaving section according to an embodiment of the present invention;
FIG. 12 is an enlarged view of the structure at B in FIG. 11;
FIG. 13 is an exploded view of a grip portion according to an embodiment of the present invention;
fig. 14 is an exploded partial structure view of a shaving section according to an embodiment of the present invention;
FIG. 15 is a second exploded view of a shaving section according to an embodiment of the present invention;
fig. 16 is a third schematic exploded view of a shaving section according to an embodiment of the present invention.
In the figure: 1. a shaving section; 2. a grip portion; 3. a housing; 4. mounting grooves; 5. comb teeth; 6. an installation part; 7. a limiting block; 8. a card slot; 9. a slide base; 10. a guide rail; 11. a second bolt; 12. a cover plate; 13. a handle; 14. a rolling bearing; 15. a threaded rod; 16. a limiting column; 17. a first bolt; 18. a blade; 19. a first circular hole; 20. a second circular hole; 21. erecting a rod; 22. a rubber sleeve; 23. an end cap; 24. a cylindrical housing; 25. a cylindrical groove; 26. a sponge block; 27. a convex ring; 28. an internal thread; 29. an external thread; 30. a ball bearing; 31. and (4) convex rings.
Detailed Description
The present invention is described in further detail below with reference to figures 1-16.
Example 1
An environment-friendly skin preparation knife for neurosurgery comprises a shaving part 1 and a holding part 2, wherein the shaving part 1 is fixedly arranged at the upper end of the holding part 2;
as shown in fig. 4-11, the shaving portion 1 includes a housing 3, a sliding seat 9, guide rails 10, a cover plate 12, a threaded rod 15, a handle 13 and a blade 18, wherein a top wall of the housing 3 is of an arc-shaped structure, a plurality of comb teeth 5 are uniformly arranged at a junction between the top wall and a bottom wall of the housing 3, an installation groove 4 is formed at a junction between the top wall of the housing 3 and the comb teeth 5, two guide rails 10 are arranged, the two guide rails 10 are symmetrically and fixedly installed on two side walls inside the housing 3, two clamping grooves 8 are symmetrically formed at two ends of the sliding seat 9, the sliding seat 9 is slidably installed between the two guide rails 10 through the two clamping grooves 8, the blade 18 is fixedly installed on an upper portion of the sliding seat 9 through two first bolts 17, a cutting edge of the blade 18 extends into the installation groove 4, the threaded rod 15 is fixedly installed at a central position of the cover plate 12 through a rolling, one end of the threaded rod 15 is screwed in the slide carriage 9, the handle 13 is fixedly installed at the other end of the threaded rod 15, the handle 13 is located outside the shell 3, and the cover plate 12 is fixedly installed inside one side of the shell 3 away from the comb teeth 5 through two second bolts 11;
as shown in fig. 13, 15 and 16, the grip 2 includes an upright rod 21 and a rubber sleeve 22, the upper end of the upright rod 21 is fixedly connected with the bottom of the housing 3, and the rubber sleeve 22 is fixedly sleeved outside the upright rod 21.
The shaving part 1 is used for shaving the hair on the skin of the preoperative operation position of a patient, the top wall of a shell 3 included by the shaving part 1 is of an arc-shaped structure, the skin of the patient can be prevented from being scratched due to the composite ergonomic design, the hair on the skin of the patient can be straightened out due to the arrangement of a plurality of comb teeth 5, the problem that the hair on the skin of the patient is difficult to shave due to the fact that the hair is wound together is avoided, a blade 18 is fixedly installed on the upper portion of a sliding seat 9 through two first bolts 17, the blade 18 is convenient to replace, the blade 18 can move along with the movement of the sliding seat 9, when the skin preserving knife is not used, the blade 18 can be retracted into the shell 3 through an operating handle 13 and a threaded rod 15, the patient or medical personnel can be effectively prevented from being accidentally injured; the part of gripping 2 as medical personnel's hand and gripping, pole setting 21 and rubber sleeve 22's cooperation make this skin preparation sword be difficult for and medical personnel's the phenomenon of skidding takes place between the hand, and make this skin preparation sword be difficult for following medical personnel's the landing on hand, not only can avoid this skin preparation sword to damage because of the landing, can prevent simultaneously that medical personnel from gripping this skin preparation sword and lead to the unexpected accident appearance of fish tail patient.
Preferably, as shown in fig. 4, 8, 9 and 11, a limiting block 7 is further fixedly installed on the upper portion of the inner bottom wall of the housing 3 between the comb teeth 5 and the sliding base 9, the shape of the upper surface of the limiting block 7 is matched with the shape of the lower surface of the blade 18, and two limiting posts 16 are symmetrically and fixedly installed on the side surface of the sliding base 9 close to the cover plate 12.
The setting of stopper 7 can prevent the too much mounting groove 4 that stretches out of cutting edge of blade 18, can avoid blade 18 fish tail patient's skin, the shape of stopper 7 upper surface with the shape phase-match of the lower surface of blade 18 sets up, make stopper 7 still have better support to blade 18, can prevent that blade 18 from taking place elastic deformation in the use, lead to incising wound patient's skin, the setting of two spacing posts 16 can prevent that slide 9 is too close to apron 12, thereby can avoid blade 18 to break away from mounting groove 4, thereby make the structure of this skin preparation sword more stable, can avoid influencing the use.
Preferably, as shown in fig. 8, 11 and 12, two mounting portions 6 for accommodating two second bolts 11 are symmetrically disposed on two side walls of the housing 3, each of the mounting portions 6 includes a first circular hole 19 disposed on an outer side surface of a side wall of the housing 3 and a second circular hole 20 disposed on an inner side surface of the side wall of the housing 3, center lines of the first circular hole 19 and the second circular hole 20 are overlapped, and the first circular hole 19 and the second circular hole 20 are communicated with each other.
The first round hole 19 and the second round hole 20 are matched, the second bolt 11 can be completely hidden in the mounting part 6, and the skin of a patient can be prevented from being scratched due to the protrusion of the second bolt 11 in the use process.
Preferably, as shown in fig. 13-16, the inside of the vertical rod 21 is a hollow structure, the inside of the vertical rod 21 is filled with a lubricant, an end cap 23 is screwed to the bottom end of the vertical rod 21, a ball 30 is embedded in the bottom of the end cap 23, and a passage for the lubricant to contact with the ball 30 is opened in the inside of the end cap 23.
Can remove ball 30 laminating patient's skin, at the removal in-process, ball 30 rotates the even smearing of the inside emollient of pole setting 21 on patient's skin to make this skin preparation sword possess the function of smearing the emollient, can save medical personnel and use the trouble of the instrument of smearing the emollient in addition, can improve medical personnel's work efficiency, scribble the emollient simultaneously on patient's skin after, make the hair on the patient's skin more easily shave.
Preferably, as shown in fig. 14, the bottom end of the upright 21 is internally provided with an internal thread 28, and the upper exterior of the end cap 23 is provided with an external thread 29 matching with the internal thread 28.
So that the end cover 23 is convenient to disassemble and assemble and is convenient to add lubricant.
Preferably, as shown in fig. 14, the bottom end of the upright rod 21 is further sleeved with a cylindrical shell 24 for protecting the balls 30, two convex rings 27 are integrally arranged outside the upright rod 21 near the bottom end thereof, and a convex ring 31 for being clamped between the two convex rings 27 is integrally arranged on the inner wall of the cylindrical shell 24.
Preferably, as shown in fig. 13, a cylindrical groove 25 is further opened inside the bottom of the cylindrical housing 24, a sponge block 26 is fixedly installed inside the cylindrical groove 25, and the bottom of the sponge block 26 extends to the outside of the cylindrical groove 25.
The sponge block 26 can be used to clean the residual shaved hair from the skin of the patient, so that the skin of the patient after skin preparation by surgery is relatively clean, and the surgery can be smoothly performed.
Preferably, the lubricant is prepared from aloe vera gel and spice powder in a weight ratio of 10: 1, and the spice powder is prepared by uniformly mixing, and the particle diameter of the spice powder is not more than 30 um.
The lubricant has a good lubricating effect, has an antibacterial effect, and can effectively prevent the skin of a patient from being infected during skin preparation in an operation.
Preferably, the rubber sleeve 22 is integrally provided with one or both of anti-skid grains and anti-skid protrusions on the outside.
The anti-slip lines or the anti-slip bulges enable the surface of the rubber sleeve 22 to have a better static friction coefficient, so that the hand of the medical staff is not easy to slip with the holding part 2.
Example 2
The difference from the embodiment 1 is that the surface of the outer shell 3 is further provided with a protective layer, and the protective layer is prepared by the following method:
weighing the following raw materials in parts by weight: 15 parts of epoxy resin, 7 parts of zinc oxide powder, 9 parts of copper oxide powder, 15 parts of polytetrafluoroethylene particles, 8 parts of glass powder, 5 parts of graphite powder, 11 parts of silver powder, 3 parts of paraffin, 2 parts of alcohol ester dodeca, 2 parts of triethanolamine, 1 part of emulsified silicone oil and 30 parts of water;
s1, adding the weighed paraffin, alcohol ester dodeca, triethanolamine, emulsified silicone oil and water into a stirrer, and stirring for 20min at the stirring speed of 600r/min to obtain a mixed solution;
s2, adding epoxy resin, zinc oxide powder, copper oxide powder, polytetrafluoroethylene particles, glass powder, graphite powder and silver powder into a grinder to grind until the diameter of the material particles is not more than 40um, and preparing a mixed powder material;
s3, adding the mixed solution prepared in the step S1 and the mixed powder material prepared in the step S2 into a reaction kettle, and stirring for 20min, wherein the stirring speed of the reaction kettle is set to be 800r/min, and the temperature is set to be 60 ℃, so that the protective coating is prepared;
s4, brushing the shell 3 with clean water, and drying by a hot air blower;
s5, uniformly spraying the protective coating prepared in the step S3 on the surface of the dried shell 3 by using a high-pressure sprayer spray gun;
and S6, drying and curing the shell 3 sprayed with the protective coating in the step S5 in an oven, wherein the drying and curing temperature is set to 100 ℃, the drying and curing time is set to 25min, and the protective layer is manufactured on the surface of the shell 3.
Example 3
The difference from the example 2 lies in the preparation of the protective layer, and the specific preparation method is as follows:
weighing the following raw materials in parts by weight: 18 parts of epoxy resin, 9 parts of zinc oxide powder, 10 parts of copper oxide powder, 18 parts of polytetrafluoroethylene particles, 9 parts of glass powder, 7 parts of graphite powder, 12 parts of silver powder, 4 parts of paraffin, 3 parts of alcohol ester dodeca, 3 parts of triethanolamine, 2 parts of emulsified silicone oil and 35 parts of water;
s1, adding the weighed paraffin, alcohol ester dodeca, triethanolamine, emulsified silicone oil and water into a stirrer, and stirring for 25min at the stirring speed of 650r/min to obtain a mixed solution;
s2, adding epoxy resin, zinc oxide powder, copper oxide powder, polytetrafluoroethylene particles, glass powder, graphite powder and silver powder into a grinder to grind until the diameter of the material particles is not more than 40um, and preparing a mixed powder material;
s3, adding the mixed solution prepared in the step S1 and the mixed powder material prepared in the step S2 into a reaction kettle, and stirring for 25min, wherein the stirring speed of the reaction kettle is set to be 850r/min, and the temperature is set to be 70 ℃, so that the protective coating is prepared;
s4, brushing the shell 3 with clean water, and drying by a hot air blower;
s5, uniformly spraying the protective coating prepared in the step S3 on the surface of the dried shell 3 by using a high-pressure sprayer spray gun;
and S6, drying and curing the shell 3 sprayed with the protective coating in the step S5 in an oven, wherein the drying and curing temperature is set to be 110 ℃, the drying and curing time is set to be 28min, and then the protective layer is manufactured on the surface of the shell 3.
Example 4
The difference from the example 2 lies in the preparation of the protective layer, and the specific preparation method is as follows:
weighing the following raw materials in parts by weight: 20 parts of epoxy resin, 11 parts of zinc oxide powder, 11 parts of copper oxide powder, 20 parts of polytetrafluoroethylene particles, 10 parts of glass powder, 8 parts of graphite powder, 13 parts of silver powder, 5 parts of paraffin, 4 parts of alcohol ester dodeca, 4 parts of triethanolamine, 3 parts of emulsified silicone oil and 40 parts of water;
s1, adding the weighed paraffin, alcohol ester dodeca, triethanolamine, emulsified silicone oil and water into a stirrer, and stirring for 30min at the stirring speed of 700r/min to obtain a mixed solution;
s2, adding epoxy resin, zinc oxide powder, copper oxide powder, polytetrafluoroethylene particles, glass powder, graphite powder and silver powder into a grinder to grind until the diameter of the material particles is not more than 40um, and preparing a mixed powder material;
s3, adding the mixed solution prepared in the step S1 and the mixed powder material prepared in the step S2 into a reaction kettle, and stirring for 30min, wherein the stirring speed of the reaction kettle is set to 900r/min, and the temperature is set to 80 ℃, so that the protective coating is prepared;
s4, brushing the shell 3 with clean water, and drying by a hot air blower;
s5, uniformly spraying the protective coating prepared in the step S3 on the surface of the dried shell 3 by using a high-pressure sprayer spray gun;
and S6, drying and curing the shell 3 sprayed with the protective coating in the step S5 in an oven, wherein the drying and curing temperature is set to 120 ℃, the drying and curing time is set to 30min, and then the protective layer is manufactured on the surface of the shell 3.
The results of observing the surface of the case 3 of examples 1 to 4 with a microscope during use are shown in the following table:
| observation results | |
| Example 1 | The surface of the |
| Example 2 | The surface of the |
| Example 3 | The surface of the |
| Example 4 | The surface of the |
From the comparative analysis of the results in the above table, it can be seen that the embodiment 4 is the most preferred embodiment, by adopting the above technical scheme, the process for preparing the protective coating is simple and easy to implement, the prepared protective coating has moderate viscosity, is not easy to delaminate, is convenient for spraying, does not generate bubbles, is fully combined with each component, has good comprehensive performance, enables the protective coating to form a good coating after spraying, is not easy to generate cracks, has good film forming effect, and the prepared protective layer has good performances of corrosion resistance, bacteria resistance, adhesion resistance and aging resistance, has good adhesiveness and is not easy to fall off, can effectively increase the performances of corrosion resistance, bacteria resistance, adhesion resistance and aging resistance of the shell 3, thereby enabling the service life of the skin preparation knife to be longer, and particularly, can prevent the surface of the shell 3 from being stained with bacteria and hair, thereby enabling the skin preparation knife to be clean, convenient to clean and reusable, has better environmental protection value.
The working principle is as follows: the environment-friendly skin preparation knife for neurosurgery comprises a shaving part 1, a shell 3, a plurality of comb teeth 5, a blade 18, an operating handle 13 and a threaded rod 15, wherein the shaving part 1 is used for shaving hair on the skin of a preoperative surgical position of a patient, the top wall of the shell 3 included in the shaving part 1 is of an arc-shaped structure, the ergonomic design is compounded, the skin of the patient can be prevented from being scratched, the hair on the skin of the patient can be straightened, the hair on the skin of the patient is prevented from being wound together and difficult to shave, the blade 18 is fixedly arranged on the upper part of a sliding seat 9 through two first bolts 17, the blade 18 is convenient to replace, the blade 18 can move along with the movement of the sliding seat 9, the blade 18 can be retracted into the shell 3 through the operating handle 13 and the threaded rod 15 when the skin preparation knife is not used, the blade 18 can; the holding part 2 is used as the part for holding the hands of the medical staff, the matching of the upright stanchion 21 and the rubber sleeve 22 ensures that the skin preparation knife is not easy to slip with the hands of the medical staff, and the skin preparation knife is not easy to slide off the hand of the medical personnel, thereby not only preventing the skin preparation knife from being damaged due to sliding off, meanwhile, the medical care personnel can be prevented from holding the skin preparation knife to scratch the patient, the ball 30 is attached to the skin of the patient to move, during the movement, the rolling balls 30 rotate to uniformly spread the lubricant inside the upright 21 on the skin of the patient, thereby the skin preparation knife has the function of smearing the lubricant, the trouble that medical staff uses a tool for smearing the lubricant additionally can be saved, the working efficiency of the medical staff can be improved, meanwhile, after the lubricant is smeared on the skin of a patient, the hair on the skin of the patient is easier to shave.
The using method comprises the following steps:
firstly, dipping alcohol on the whole skin preparation knife by using dust-free cloth to wipe and clean;
secondly, detaching the end cover 23, putting the prepared lubricant into the upright rod 21, then screwing down the end cover 23, attaching the ball 30 to the skin of a patient to move, smearing the lubricant on the skin of the patient, and covering the cylindrical shell 24 after smearing;
thirdly, rotating the threaded rod 15 through the operating handle 13, and driving the blade 18 to move along the guide rail 10 by using the principle of thread transmission through the sliding seat 9, so that the cutting edge of the blade 18 extends into the mounting groove 4 and exceeds the root of the comb teeth 5;
fourthly, the vertical rod 21 is held by a hand, the comb teeth 5 are slightly pulled towards the skin of the prepared skin of the patient, in the pulling process, the comb teeth 5 straighten the hair on the skin of the patient, meanwhile, the hair on the skin of the patient is contacted with the cutting edge of the blade 18, so that the purpose of shaving the hair on the skin of the patient is achieved, and the blade 18 is retracted into the shell 3 through the operating handle 13 after shaving;
and fifthly, cleaning the residual shaved hair on the skin of the patient.
The installation method comprises the following steps:
firstly, a shaving part 1 is installed, a limiting block 7 is firstly placed in a shell 3, guide rails 10 and the shell 3 can be designed integrally, two limiting columns 16 and a sliding seat 9 can be formed integrally, a blade 18 is fixedly installed on the upper portion of the sliding seat 9 through two first bolts 17, a threaded rod 15 is fixedly installed at the central position of a cover plate 12 through a rolling bearing 14, one end of the threaded rod 15 is screwed in the sliding seat 9, a handle 13 is fixedly installed on the other end of the threaded rod 15, the sliding seat 9 is slidably installed between the two guide rails 10 through two clamping grooves 8, and the cover plate 12 is fixedly installed in the shell 3 on the side far away from comb teeth 5 through two second bolts 11;
secondly, installing the holding part 2, namely welding the upright rod 21 at the bottom of the shell 3, sleeving the rubber sleeve 22 outside the upright rod 21, installing the end cover 23, and installing the ball 30 at the bottom of the end cover 23 in an embedded manner;
and thirdly, fixedly installing the sponge block 26 in the cylindrical groove 25, and then clamping the cylindrical shell 24 outside the bottom end of the upright rod 21 by utilizing the convex ring 31 and the two convex rings 27 in a matching manner, namely completing the installation.
The parts not involved in the present invention are the same as or can be implemented by the prior art.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an environment-friendly skin preparation sword for neurosurgery which characterized in that: the shaver comprises a shaving part (1) and a holding part (2), wherein the shaving part (1) is fixedly arranged at the upper end of the holding part (2);
the shaving part (1) comprises a shell (3), a sliding seat (9), guide rails (10), a cover plate (12), a threaded rod (15), a handle (13) and a blade (18), wherein the top wall of the shell (3) is of an arc-shaped structure, a plurality of comb teeth (5) are uniformly arranged at the junction of the top wall and the bottom wall of the shell (3), a mounting groove (4) is formed at the junction of the top wall of the shell (3) and the comb teeth (5), the number of the guide rails (10) is two, the two guide rails (10) are symmetrically and fixedly arranged on two side walls in the shell (3), two clamping grooves (8) are symmetrically formed at two ends of the sliding seat (9), the sliding seat (9) is slidably arranged between the two guide rails (10) through the two clamping grooves (8), and the blade (18) is fixedly arranged on the upper part of the sliding seat (9) through two first bolts (17), the cutting edge of the blade (18) extends into the mounting groove (4), the threaded rod (15) is fixedly mounted at the central position of the cover plate (12) through a rolling bearing (14), one end of the threaded rod (15) is in threaded connection with the inside of the sliding seat (9), the handle (13) is fixedly mounted at the other end of the threaded rod (15), the handle (13) is located outside the shell (3), and the cover plate (12) is fixedly mounted inside one side, away from the comb teeth (5), of the shell (3) through two second bolts (11);
the holding part (2) comprises an upright rod (21) and a rubber sleeve (22), the upper end of the upright rod (21) is fixedly connected with the bottom of the shell (3), and the rubber sleeve (22) is fixedly sleeved outside the upright rod (21);
the inner bottom wall upper portion of shell (3) is located broach (5) with it has stopper (7) to go back fixed mounting between slide (9), the shape of stopper (7) upper surface with the shape phase-match setting of the lower surface of blade (18), slide (9) are close to symmetry fixed mounting has two spacing posts (16) on the side of apron (12).
2. The environment-friendly skin preparation knife for neurosurgery according to claim 1, characterized in that: the symmetry is equipped with two on the both sides wall of shell (3) and is used for holding two installation department (6), every of second bolt (11) installation department (6) are all including seting up first round hole (19) on shell (3) lateral wall lateral surface and seting up second round hole (20) on shell (3) lateral wall medial surface, first round hole (19) with the central line of second round hole (20) coincides the setting mutually, just first round hole (19) with second round hole (20) are linked together and are set up.
3. The environment-friendly skin preparation knife for neurosurgery according to claim 1, characterized in that: the inside of pole setting (21) is hollow structure, just the inside packing of pole setting (21) has emollient, the bottom spiro union of pole setting (21) has end cover (23), ball (30) are inlayed to the bottom of end cover (23), just the inside of end cover (23) is seted up and is used for emollient with the passageway that ball (30) contacted.
4. The environment-friendly skin preparation knife for neurosurgery according to claim 3, characterized in that: an internal thread (28) is formed in the bottom end of the vertical rod (21), and an external thread (29) matched with the internal thread (28) is formed in the outer portion of the upper portion of the end cover (23).
5. The environment-friendly skin preparation knife for neurosurgery according to claim 3, characterized in that: the bottom of pole setting (21) still overlaps and is equipped with and is used for the protection cylindric casing (24) of ball (30), just the outside of pole setting (21) is close to its bottom an organic whole and is equipped with two bulge loops (27), an organic whole is equipped with one on the inner wall of cylindric casing (24) and is used for the joint two bulge loops (31) between bulge loops (27).
6. The environment-friendly skin preparation knife for neurosurgery according to claim 5, wherein: cylindrical groove (25) have still been seted up to the inside bottom of cylindric casing (24), the inside fixed mounting of cylindrical groove (25) has sponge piece (26), the bottom of sponge piece (26) extends to the outside of cylindrical groove (25).
7. The environment-friendly skin preparation knife for neurosurgery according to claim 3, characterized in that: the lubricant is prepared from aloe vera gel and spice powder in a weight ratio of 10: 1, and the spice powder is prepared by uniformly mixing, and the particle diameter of the spice powder is not more than 30 um.
8. The environment-friendly skin preparation knife for neurosurgery according to claim 1, characterized in that: the rubber sleeve (22) is also integrally provided with one or two of anti-skid grains or anti-skid projections.
9. The environment-friendly skin preparation knife for neurosurgery according to claim 1, characterized in that: the surface of the shell (3) is also provided with a protective layer, and the protective layer is prepared by the following method:
weighing the following raw materials in parts by weight: 15-20 parts of epoxy resin, 7-11 parts of zinc oxide powder, 9-11 parts of copper oxide powder, 15-20 parts of polytetrafluoroethylene particles, 8-10 parts of glass powder, 5-8 parts of graphite powder, 11-13 parts of silver powder, 3-5 parts of paraffin, 2-4 parts of alcohol ester, 2-4 parts of triethanolamine, 1-3 parts of emulsified silicone oil and 30-40 parts of water;
s1, adding the weighed paraffin, alcohol ester dodeca, triethanolamine, emulsified silicone oil and water into a stirrer, and stirring for 20-30min at the stirring speed of 600-700r/min to obtain a mixed solution;
s2, adding epoxy resin, zinc oxide powder, copper oxide powder, polytetrafluoroethylene particles, glass powder, graphite powder and silver powder into a grinder to grind until the diameter of the material particles is not more than 40um, and preparing a mixed powder material;
s3, adding the mixed solution prepared in the step S1 and the mixed powder material prepared in the step S2 into a reaction kettle, and stirring for 20-30min, wherein the stirring speed of the reaction kettle is set to 800-;
s4, cleaning the shell (3) with clean water, and drying the shell with a hot air blower;
s5, uniformly spraying the protective coating prepared in the step S3 on the surface of the dried shell (3) by using a high-pressure sprayer spray gun;
s6, the shell (3) sprayed with the protective coating in the step S5 is placed in an oven for drying and curing, the drying and curing temperature is set to be 100 ℃ and 120 ℃, the drying and curing time is set to be 25-30min, and then the protective layer is prepared on the surface of the shell (3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811598223.7A CN109465859B (en) | 2018-12-26 | 2018-12-26 | Environment-friendly skin preparation sword for neurosurgery |
| PCT/CN2018/124594 WO2020133131A1 (en) | 2018-12-26 | 2018-12-28 | Environment-friendly neurosurgical skin preparation scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811598223.7A CN109465859B (en) | 2018-12-26 | 2018-12-26 | Environment-friendly skin preparation sword for neurosurgery |
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| CN109465859A CN109465859A (en) | 2019-03-15 |
| CN109465859B true CN109465859B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811598223.7A Active CN109465859B (en) | 2018-12-26 | 2018-12-26 | Environment-friendly skin preparation sword for neurosurgery |
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| WO (1) | WO2020133131A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110480693B (en) * | 2019-08-28 | 2020-11-24 | 中国人民解放军陆军军医大学第一附属医院 | Damage-proof skin preparation knife |
| CN110744595A (en) * | 2019-10-30 | 2020-02-04 | 中国人民解放军陆军军医大学第一附属医院 | Medical skin preparation knife capable of preventing cutting injury |
| CN111481313A (en) * | 2020-04-20 | 2020-08-04 | 常州市第一人民医院 | Oral cavity dilator |
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| US5005290A (en) * | 1987-05-08 | 1991-04-09 | The Stanley Works Limited | Utility knives |
| CN205255049U (en) * | 2016-01-03 | 2016-05-25 | 秦显美 | Surgical nursing is with multi -functional skin preparation sword |
| CN108175611A (en) * | 2018-03-16 | 2018-06-19 | 南通市第人民医院 | A kind of drunk rear side-lying body position fixing device |
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| CN109010075A (en) * | 2018-10-16 | 2018-12-18 | 南通市第人民医院 | A kind of enteral nutrition feedway |
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| CN2111819U (en) * | 1992-02-10 | 1992-08-05 | 刘忠彦 | Portable telescopic shaver |
| CN2175075Y (en) * | 1993-07-03 | 1994-08-24 | 何暖光 | Disposable razor for surgical use before operation |
| CN2229333Y (en) * | 1995-07-27 | 1996-06-19 | 陈采琴 | Extensible frame of razor |
| AU2006232489B2 (en) * | 2005-04-05 | 2012-05-03 | Edgewell Personal Care Brands, Llc | Shaving implement having a moving blade |
| DE202013003009U1 (en) * | 2013-04-01 | 2013-06-26 | Axel R. Hidde | Mechanical comfort razor |
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- 2018-12-28 WO PCT/CN2018/124594 patent/WO2020133131A1/en active Application Filing
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| GB219092A (en) * | 1923-04-19 | 1924-07-21 | Super Razors England Ltd | Improvements in or connected with safety razors |
| US5005290A (en) * | 1987-05-08 | 1991-04-09 | The Stanley Works Limited | Utility knives |
| CN205255049U (en) * | 2016-01-03 | 2016-05-25 | 秦显美 | Surgical nursing is with multi -functional skin preparation sword |
| CN108175611A (en) * | 2018-03-16 | 2018-06-19 | 南通市第人民医院 | A kind of drunk rear side-lying body position fixing device |
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| WO2020133131A1 (en) | 2020-07-02 |
| CN109465859A (en) | 2019-03-15 |
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