CN110192909B

CN110192909B - Universal blue pincers

Info

Publication number: CN110192909B
Application number: CN201910512552.3A
Authority: CN
Inventors: 徐鹏; 李欢; 高桂英; 孙凯
Original assignee: First Peoples Hospital of Changzhou
Current assignee: First Peoples Hospital of Changzhou
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-06-16
Anticipated expiration: 2039-06-13
Also published as: CN110192909A

Abstract

The invention discloses universal blue tongs, which comprise a handheld operation part, a connection adjusting part and a cutting part, wherein the cutting part is connected with the handheld operation part through the connection adjusting part; handheld operation portion includes that mounting bracket, first linking arm, first ring, connecting seat, second linking arm, second hold ring and connection piece, first linking arm an organic whole sets up the one end tip of mounting bracket, connection regulation portion is including installation pipe, connecting pipe, nut, adjusting bolt, limiting plate, first disk and steel wire, the excision portion includes cutter seat, cutter, fixed ear, second disk, lug, fixing base, first spring holder, second spring holder and spring. According to the invention, the mounting tube can be rotationally adjusted by three hundred and sixty degrees by unscrewing the adjusting bolt, so that meniscal with pathological changes in any direction can be cut, and the range of operation of the device is relatively large.

Description

Universal blue pincers

Technical Field

The invention relates to the technical field of medical instruments, in particular to universal blue forceps.

Background

The tibia articular surface has medial and lateral meniscus-shaped bones called meniscus, whose edge is thicker and tightly connected with the joint capsule, and central portion is thinner and free. In addition to the ability to repair itself after damage to the limbal portion, the meniscus is not self-repairing after rupture, and a fibro-cartilaginous, thin and narrow meniscus can be regenerated from the synovium after the meniscus has been removed. The normal meniscus has the effect of increasing tibial condyle depression and lining the medial and lateral femoral condyles to increase joint stability and cushion shock.

The operation space of the existing blue forceps is small when the meniscus is cut, and meanwhile, the operation range is small because the cutting part of the existing blue forceps cannot be changed in multiple directions and is only in one direction, so that the universal blue forceps are provided.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a universal blue clamp, which can be used for rotatably adjusting an installation pipe by unscrewing an adjusting bolt by three hundred and sixty degrees, so that meniscal with pathological changes in any direction can be cut, the operation range of the universal blue clamp is wider, and the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme:

the universal blue clamp comprises a handheld operation part, a connection adjusting part and a cutting part, wherein the cutting part is connected with the handheld operation part through the connection adjusting part;

the handheld operation part comprises a mounting rack, a first connecting arm, a first holding ring, a connecting seat, a second connecting arm, a second holding ring and a connecting sheet, the bottom of the mounting rack is provided with a mounting groove, the first connecting arm is integrally arranged at one end part of the mounting rack, the first holding ring is integrally arranged at one end part of the first connecting arm far away from the mounting rack, the connecting seat is hinged inside the mounting groove through a first pin shaft, the second connecting arm is fixedly mounted at the bottom of the connecting seat, the second holding ring is integrally arranged at one end part of the second connecting arm far away from the connecting seat, the connecting sheet is integrally arranged on one side surface of the connecting seat, the connecting piece is arranged far away from the first connecting arm, the connecting piece is positioned in the mounting groove, and a through groove is formed in one end, far away from the connecting seat, of the connecting piece;

the connection adjusting part comprises an installation pipe, a connecting pipe, a nut, an adjusting bolt, a limiting plate, a first wafer and a steel wire, the installation pipe is fixedly installed at the other end of the installation rack, the mounting pipe is communicated with the mounting groove, one end of the connecting pipe is movably mounted in the mounting pipe, the nut is welded on the surface of the installation pipe, the adjusting bolt is screwed in the nut, the head of the adjusting bolt is arranged against the surface of the connecting pipe, the limiting plate is fixedly arranged inside the mounting pipe, the limiting plate and one end of the connecting pipe, which is positioned in the mounting pipe, are arranged in a manner of abutting against each other, the first wafer is movably arranged in the through groove, the steel wire is movably arranged inside the connecting pipe, and one end of the steel wire sequentially and movably penetrates through the limiting plate and the groove wall of the through groove and is fixedly connected with the center position of the first wafer;

the cutting part comprises a cutter seat, a cutter, a fixing lug, a second wafer, a convex block, a fixing seat, a first spring seat, a second spring seat and a spring, the cutter seat is welded at the end part of the other end of the connecting pipe, one end of the cutter is hinged in the cutter seat through a second pin shaft, the fixing lug is integrally arranged at the bottom of the cutter, the second wafer is movably arranged on one side surface of the fixing lug, the convex block is integrally arranged at the bottom of one end of the cutter close to the connecting pipe, the fixing seat is fixedly arranged in the connecting pipe, the first spring seat is fixedly arranged on the side surface of the convex block close to the fixing seat, the second spring seat is fixedly arranged on the side surface of the fixing seat close to the convex block, and the spring is fixedly arranged between the second spring seat and the first spring seat, the other end of the steel wire sequentially and movably penetrates through the fixing seat and the fixing lug and is fixedly connected with the second wafer.

By adopting the technical scheme, the handheld operation part is used for holding and operating the cutting part by hands, and consists of the mounting frame, the first connecting arm, the first holding ring, the connecting seat, the second connecting arm, the second holding ring and the connecting sheet, so that fingers can be conveniently inserted into the first holding ring and the second holding ring and matched with the first connecting arm and the second connecting arm to fully utilize the lever principle, the cutting force of the cutting part can be ensured, and the pathological meniscus can be cut off smoothly; the connecting and adjusting part is used for connecting the cutting part with the handheld operating part and adjusting the direction of the cutting part, and consists of a mounting pipe, a connecting pipe, a nut, an adjusting bolt, a limiting plate, a first wafer and a steel wire, transmission can be carried out through the steel wire, meanwhile, as the steel wire is rotatably connected with the limiting plate and the through groove, the mounting pipe can be rotationally adjusted by unscrewing the adjusting bolt, so that the cutting of the pathological menisci in any direction can be realized, and the range of the operation of the blue clamp is larger; the excision portion is used for amputating the meniscus, and it is by cutter seat, cutter, fixed ear, second disk, lug, fixing base, first spring holder, second spring holder and spring, under the effect of spring, the cutter can remain open state with the cutter seat all the time under the condition of no artificial operation, makes the steel wire be in the tensioning state simultaneously, can prevent that the second from holding the ring and rocking back and forth to make this blue pincers not only structural performance stable, convenient to use moreover.

Furthermore, the included angle between the connecting piece and the second connecting arm is 80-100 degrees.

By adopting the technical scheme, the included angle between the connecting piece and the second connecting arm is set to be 80-100 degrees, so that the rotating stroke of the connecting piece can be ensured when the second holding ring is operated, the connecting piece can completely occlude the cutter and the cutter holder through the steel wire, and the diseased meniscus can be completely cut off.

Furthermore, the bottom of the bump is of an arc-shaped structure, and the connecting seat is a circular connecting seat.

Through adopting above-mentioned technical scheme, set up the bottom of lug into the arc structure, like this in this blue pincers operation process, the bottom of lug can contact with the steel wire, can reduce the bottom of lug to the wearing and tearing of steel wire, can prevent that the steel wire from wearing and tearing, sets up the connecting seat into circular connecting seat, can guarantee that the connecting seat can be smooth the inside in the mounting groove rotates like this.

Further, the bottom of the second holding ring is also integrally provided with an arc-shaped rod.

Through adopting above-mentioned technical scheme, the bottom an organic whole that holds the ring at the second is equipped with the arc pole, and this arc pole can be used to increase the length of second linking arm, makes this blue pincers operation more laborsaving like this.

Furthermore, the limiting plate, the cell wall that leads to the groove with fixed ear and the inside of fixing base all seted up with steel wire assorted guiding hole.

Through adopting above-mentioned technical scheme, the cell wall that leads to the groove at the limiting plate, all seted up with steel wire assorted guiding hole with the inside of fixed ear and fixing base, so not only easy to assemble steel wire, still can guarantee simultaneously that the steel wire can be relative limiting plate, lead to the groove wall of groove and fixed ear and fixing base and rotate, can guarantee like this that the excision can carry out three hundred sixty degrees rotation regulation.

Furthermore, the corners of the first connecting arm, the first holding ring, the second connecting arm and the second holding ring are rounded structures.

Through adopting above-mentioned technical scheme, all set up the corner of ring into the radius angle structure with first linking arm, first linking arm and second holding, can prevent to put medical personnel's hand wounded like this.

Further, the included angle between the first connecting arm and the mounting rack is 130-140 degrees.

Through adopting above-mentioned technical scheme, set up the contained angle between first connecting arm and the mounting bracket into 130-140, can guarantee like this to keep apart from between first connecting arm and the second connecting arm, can guarantee like this to hold ring and second and hold the complete interlock of ring time with cutter and cutter seat through the steel wire, ensure to cut off the meniscus of pathological change completely.

Further, a protective layer is further arranged on the outer surface of the connecting pipe, and the protective layer is prepared by the following method:

weighing the following raw materials in parts by weight: 18-25 parts of epoxy resin powder, 10-15 parts of calcium carbonate powder, 13-18 parts of copper oxide powder, 15-20 parts of nano silver powder, 10-14 parts of titanium dioxide powder, 3-5 parts of alcohol ester dodeca, 2-4 parts of triethanolamine, 1-3 parts of higher alcohol fatty acid ester compound and 30-40 parts of water;

s1, adding the weighed calcium carbonate powder, copper oxide powder, nano silver powder, titanium dioxide powder, alcohol ester dodeca, triethanolamine, high-carbon alcohol fatty acid ester compound and water into a beaker;

s2, placing the beaker added with the raw materials in the step 2 on a shelf above an alcohol lamp, heating the beaker by the alcohol lamp for 10-15min, and stirring the beaker in the same direction continuously by a glass rod during the heating process to prepare a mixed solution;

s3, cooling the mixed solution prepared in the step S3 to 30-36 ℃, and filtering by adopting a stainless steel filter screen with 100-200 meshes to prepare the protective coating;

s4, dipping the surface of the connecting pipe with dust-free cloth, wiping the surface with alcohol, and drying the surface;

s5, uniformly spraying the protective coating prepared in the step S3 on the surface of the dried connecting pipe by using a spray gun;

s6, the connecting pipe sprayed with the protective coating in the step S5 is placed in an oven to be dried and cured, the curing temperature is set to be 120-.

By adopting the technical scheme, the process for preparing the protective coating is simple in steps and easy to realize, the prepared protective coating is moderate in viscosity, not easy to layer, convenient to spray, free of bubbles, good in comprehensive performance, and capable of forming a good coating 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 and ageing resistance, is good in adhesiveness and not easy to fall off, the performances of corrosion resistance, bacteria resistance and ageing resistance of the connecting pipe can be effectively improved, and particularly, the probability that a patient is infected by the connecting pipe in an operation can be effectively reduced.

In summary, the invention mainly has the following beneficial effects:

1. according to the invention, the handheld operation part is used for holding and operating the cutting part by hands, and comprises the mounting frame, the first connecting arm, the first holding ring, the connecting seat, the second connecting arm, the second holding ring and the connecting sheet, so that fingers can be conveniently inserted into the first holding ring and the second holding ring and matched with the first connecting arm and the second connecting arm to fully utilize the lever principle, the cutting force of the cutting part can be ensured, and the pathological meniscus can be cut off smoothly;

2. according to the invention, the connection adjusting part is used for connecting the cutting part with the handheld operation part and adjusting the direction of the cutting part, and is composed of the mounting pipe, the connecting pipe, the nut, the adjusting bolt, the limiting plate, the first round piece and the steel wire, transmission can be carried out through the steel wire, and meanwhile, as the steel wire is rotatably connected with the limiting plate and the through groove, the mounting pipe can be rotationally adjusted by unscrewing the adjusting bolt, so that meniscal with pathological changes in any directions can be cut, and the range of operation of the blue clamp is larger;

3. according to the invention, the cutting part is used for cutting off the meniscus and comprises the cutter seat, the cutter, the fixing lug, the second wafer, the bump, the fixing seat, the first spring seat, the second spring seat and the spring, under the action of the spring, the cutter can be always kept in an open state with the cutter seat under the condition of no manual operation, and meanwhile, the steel wire is in a tensioning state, so that the second holding ring can be prevented from shaking back and forth, and the blue clamp has stable structural performance and is convenient to use;

4. the prepared protective layer has good performances of corrosion resistance, bacteria resistance and aging resistance, has good adhesiveness, is not easy to fall off, can effectively improve the performances of corrosion resistance, bacteria resistance and aging resistance of the connecting pipe, and particularly can effectively reduce the probability of infection of a patient in an operation by the connecting pipe.

Drawings

FIG. 1 is a schematic structural diagram of a gimbal blue clamp according to an embodiment;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic diagram of another perspective view of an embodiment of a gimbal blue clamp;

FIG. 4 is a schematic cross-sectional view of one embodiment of a gimbal blue clamp;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

fig. 6 is an enlarged schematic view of the structure at C in fig. 4.

In the figure: 1. a hand-held operation section; 2. a connection adjustment part; 3. a cut-out portion; 4. a mounting frame; 5. a first pin shaft; 6. a first connecting arm; 7. a second connecting arm; 8. a first grip ring; 9. a second grip ring; 10. an arcuate bar; 11. a nut; 12. installing a pipe; 13. a connecting pipe; 14. adjusting the bolt; 15. a cutter seat; 16. a cutter; 17. a second pin shaft; 18. mounting grooves; 19. a steel wire; 20. a connecting seat; 21. connecting sheets; 22. a through groove; 23. a first wafer; 24. a second wafer; 25. a bump; 26. fixing the ear; 27. a first spring seat; 28. a spring; 29. a second spring seat; 30. a fixed seat; 31. and a limiting plate.

Detailed Description

The invention is described in further detail below with reference to figures 1-6.

Example 1

A universal blue clamp comprises a handheld operation part 1, a connection adjusting part 2 and a cutting part 3, wherein the cutting part 3 is connected with the handheld operation part 1 through the connection adjusting part 2;

as shown in fig. 1 and 3-5, the handheld operation portion 1 includes a mounting frame 4, a first connecting arm 6, a first holding ring 8, a connecting seat 20, a second connecting arm 7, a second holding ring 9 and a connecting piece 21, a mounting groove 18 is formed in the bottom of the mounting frame 4, the first connecting arm 6 is integrally disposed at one end of the mounting frame 4, the first holding ring 8 is integrally disposed at one end of the first connecting arm 6 away from the mounting frame 4, the connecting seat 20 is hinged inside the mounting groove 18 through a first pin 5, the second connecting arm 7 is fixedly mounted at the bottom of the connecting seat 20, the second holding ring 9 is integrally disposed at one end of the second connecting arm 7 away from the connecting seat 20, the connecting piece 21 is integrally disposed on one side of the connecting seat 20, and the connecting piece 21 is disposed away from the first connecting arm 6, the connecting piece 21 is positioned inside the mounting groove 18, and a through groove 22 is formed in one end, far away from the connecting seat 20, of the connecting piece 21;

as shown in fig. 1, 3 and 6, the connection adjusting portion 2 includes an installation tube 12, a connection tube 13, a nut 11, an adjusting bolt 14, a limiting plate 31, a first wafer 23 and a steel wire 19, the installation tube 12 is fixedly installed at the other end of the installation frame 4, the installation tube 12 is communicated with the installation groove 18 for setting, one end of the connection tube 13 is movably installed in the installation tube 12, the nut 11 is welded on the surface of the installation tube 12, the adjusting bolt 14 is screwed in the nut 11, the head of the adjusting bolt 14 is in contact with the surface of the connection tube 13, the limiting plate 31 is fixedly installed in the installation tube 12, the limiting plate 31 is in contact with the end of the connection tube 13 in the installation tube 12, the first wafer 23 is movably installed in the through groove 22, the steel wire 19 is movably arranged inside the connecting pipe 13, and one end of the steel wire 19 sequentially and movably penetrates through the limiting plate 31 and the groove wall of the through groove 22 and is fixedly connected with the central position of the first wafer 23;

as shown in fig. 2, 3 and 6, the cutting portion 3 includes a cutter seat 15, a cutter 16, a fixing lug 26, a second disc 24, a protrusion 25, a fixing seat 30, a first spring seat 27, a second spring seat 29 and a spring 28, the cutter seat 15 is welded at the end of the other end of the connecting pipe 13, one end of the cutter 16 is hinged inside the cutter seat 15 through a second pin 17, the fixing lug 26 is integrally arranged at the bottom of the cutter 16, the second disc 24 is movably arranged on one side surface of the fixing lug 26, the protrusion 25 is integrally arranged at the bottom of one end of the cutter 16 close to the connecting pipe 13, the fixing seat 30 is fixedly arranged inside the connecting pipe 13, the first spring seat 27 is fixedly arranged on the side surface of the protrusion 25 close to the fixing seat 30, the second spring seat 29 is fixedly arranged on the side surface of the fixing seat 30 close to the protrusion 25, the spring 28 is fixedly installed between the second spring seat 29 and the first spring seat 27, and the other end of the steel wire 19 sequentially and movably penetrates through the fixed seat 30 and the fixed lug 26 and is fixedly connected with the second disc 24.

By adopting the technical scheme, the handheld operation part 1 is used for holding and operating the cutting part 3 by hands, and consists of the mounting frame 4, the first connecting arm 6, the first holding ring 8, the connecting seat 20, the second connecting arm 7, the second holding ring 9 and the connecting piece 21, so that fingers can be conveniently inserted into the first holding ring 8 and the second holding ring 9 and simultaneously matched with the first connecting arm 6 and the second connecting arm 7 to fully utilize the lever principle, the cutting force of the cutting part 3 can be ensured, and the pathological meniscus can be cut off smoothly; the connection adjusting part 2 is used for connecting the cutting part 3 with the handheld operating part 1 and adjusting the direction of the cutting part 3, and is composed of a mounting pipe 12, a connecting pipe 13, a nut 11, an adjusting bolt 14, a limiting plate 31, a first wafer 23 and a steel wire 19, transmission can be carried out through the steel wire 19, meanwhile, as the steel wire 19 is rotatably connected with the limiting plate 31 and a through groove 22, the mounting pipe 12 can be rotationally adjusted by unscrewing the adjusting bolt 14 by three hundred and sixty degrees, so that the meniscal with pathological changes in any directions can be cut, and the range of the operation of the blue clamp is large; the excision portion 3 is used for excising the meniscus, and it is by cutter seat 15, cutter 16, fixed ear 26, second disk 24, lug 25, fixing base 30, first spring holder 27, second spring holder 29 and spring 28, under the effect of spring 28, cutter 16 can remain open state with cutter seat 15 all the time under the condition of no human operation, make the steel wire 19 be in the tensioning state simultaneously, can prevent that the second from holding ring 9 and rocking back and forth, thereby make this blue pincers not only structural performance stable, convenient to use moreover.

Preferably, as shown in fig. 5, the angle between the connecting piece 21 and the second connecting arm 7 is 80 ° to 100 °.

By adopting the technical scheme, the included angle between the connecting piece 21 and the second connecting arm 7 is set to be 80-100 degrees, so that the rotating stroke of the connecting piece 21 can be ensured when the second holding ring 9 is operated, the connecting piece 21 can be ensured to completely bite the cutter 16 and the cutter seat 15 through the steel wire 19, and the diseased meniscus can be completely cut off.

Preferably, as shown in fig. 5 and 6, the bottom of the protrusion 25 is an arc-shaped structure, and the connecting seat 20 is a circular connecting seat.

Through adopting above-mentioned technical scheme, set up the bottom of lug 25 into the arc structure, like this in this blue pincers operation process, the bottom of lug 25 can contact with steel wire 19, can reduce the bottom of lug 25 to the wearing and tearing of steel wire 19, can prevent that steel wire 19 from wearing off, sets up connecting seat 20 into circular connecting seat, can guarantee that connecting seat 20 can be smooth like this rotate in the inside of mounting groove 18.

Preferably, as shown in fig. 3, the bottom of the second grip ring 9 is further integrally provided with an arc-shaped rod 10.

Through adopting above-mentioned technical scheme, the bottom at second grip ring 9 is integrative to be equipped with arc pole 10, and this arc pole 10 can be used to increase the length of second linking arm 7, makes this blue pincers operation more laborsaving like this.

Preferably, as shown in fig. 5 and 6, the limiting plate 31, the groove wall of the through groove 22, the fixing lug 26 and the fixing seat 30 are all provided with a guiding hole matched with the steel wire 19.

Through adopting above-mentioned technical scheme, the cell wall that leads to groove 22 and fixed ear 26 and fixing base 30 at limiting plate 31, all seted up with 19 assorted guiding holes of steel wire, so not only easy to assemble steel wire 19, still can guarantee simultaneously that steel wire 19 can be relative limiting plate 31, lead to groove 22's cell wall and fixed ear 26 and fixing base 30 rotate, can guarantee like this that excision portion 3 can carry out three hundred sixty degrees rotation regulation.

Preferably, as shown in fig. 1, the corners of the first connecting arm 6, the first grip ring 8, the second connecting arm 7 and the second grip ring 9 are rounded.

Through adopting above-mentioned technical scheme, all set up the corner of first linking arm 6, first link 8 and second linking arm 7 and second link 9 into the radius angle structure, can prevent like this to put wounded medical personnel's hand.

Preferably, as shown in fig. 1, the included angle between the first connecting arm 6 and the mounting frame 4 is 130 ° to 140 °.

Through adopting above-mentioned technical scheme, set up the contained angle between first connecting arm 6 and the mounting bracket 4 to 130-140, can guarantee like this that to keep apart from between first connecting arm 6 and the second connecting arm 7, can guarantee like this to hold ring 8 and second and hold the complete interlock of ring 9 through steel wire 19 with cutter 16 and cutter seat 15 when operating, ensure to cut off the meniscus of pathological change completely.

Example 2

The difference from the embodiment 1 is that a protective layer is further provided on the outer surface of the connecting pipe 13, and the protective layer is prepared by the following method:

weighing the following raw materials in parts by weight: 18 parts of epoxy resin powder, 10 parts of calcium carbonate powder, 13 parts of copper oxide powder, 15 parts of nano silver powder, 10 parts of titanium dioxide powder, twelve 3 parts of alcohol ester, 2 parts of triethanolamine, 1 part of higher alcohol fatty acid ester compound and 30 parts of water;

s2, placing the beaker added with the raw materials in the step 2 on a shelf above an alcohol lamp, heating the beaker by the alcohol lamp for 10min, and stirring the beaker in the same direction continuously by a glass rod during the heating process to prepare a mixed solution;

s4, dipping the surface of the connecting pipe 13 with dust-free cloth, wiping with alcohol, and drying;

s5, uniformly spraying the protective coating prepared in the step S3 on the surface of the dried connecting pipe 13 by using a spray gun;

and S6, drying and curing the connecting pipe 13 sprayed with the protective coating in the step S5 in an oven, wherein the curing temperature is set to 120 ℃, and the time is set to 20min, so that the protective coating is prepared on the surface of the connecting pipe 13.

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: 22 parts of epoxy resin powder, 13 parts of calcium carbonate powder, 16 parts of copper oxide powder, 18 parts of nano silver powder, 12 parts of titanium dioxide powder, twelve 4 parts of alcohol ester, 3 parts of triethanolamine, 2 parts of higher alcohol fatty acid ester compound and 35 parts of water;

s2, placing the beaker added with the raw materials in the step 2 on a shelf above an alcohol lamp, heating the beaker by the alcohol lamp for 13min, and stirring the beaker in the same direction continuously by a glass rod during the heating process to prepare a mixed solution;

and S6, drying and curing the connecting pipe 13 sprayed with the protective coating in the step S5 in an oven, wherein the curing temperature is set to 130 ℃, the time is set to 25min, and then the protective coating is prepared on the surface of the connecting pipe 13.

Example 4

weighing the following raw materials in parts by weight: 25 parts of epoxy resin powder, 15 parts of calcium carbonate powder, 18 parts of copper oxide powder, 20 parts of nano silver powder, 14 parts of titanium dioxide powder, twelve 5 parts of alcohol ester, 4 parts of triethanolamine, 3 parts of higher alcohol fatty acid ester compound and 40 parts of water;

s2, placing the beaker added with the raw materials in the step 2 on a shelf above an alcohol lamp, heating the beaker by the alcohol lamp for 15min, and stirring the beaker in the same direction continuously by a glass rod during the heating process to prepare a mixed solution;

and S6, drying and curing the connecting pipe 13 sprayed with the protective coating in the step S5 in an oven, wherein the curing temperature is set to be 140 ℃, and the time is set to be 30min, so that the protective coating is prepared on the surface of the connecting pipe 13.

The connecting tubes 13 of examples 1 to 4 were placed in a laboratory under the same conditions for 36 hours in a sewage containing bacteria, and then taken out and observed under a microscope, respectively, and the results are shown in the following table:

examples	Observation results
		Example 1	The surface of the connecting pipe 13 is distributed with a large amount of bacteria
Example 2	The surface of the connecting pipe 13 is distributed with a small amount of bacteria
		Example 3	The surface of the connecting pipe 13 is distributed with a small amount of bacteria
Example 4	The surface of the connecting pipe 13 is distributed with a small amount of bacteria

Further comparison of the bacteria distributed on the surface of the connection pipe 13 in examples 2 to 4 revealed that the bacteria distributed on the surface of the connection pipe 13 in example 3 were the least, therefore, the embodiment 3 is the optimal embodiment, and by adopting the technical scheme, the process for preparing the protective coating is simple in steps and easy to realize, the prepared protective coating is moderate in viscosity, not easy to delaminate, convenient to spray, free from bubble generation, fully combined in all components and good in comprehensive performance, the protective coating can form a better coating film after being sprayed, cracks are not easy to generate, the film forming effect is better, the prepared protective layer has better performances of corrosion resistance, bacteria resistance and aging resistance, the adhesiveness is better, and the coating is not easy to fall off, can effectively improve the performances of corrosion prevention, bacteria prevention and aging resistance of the connecting pipe 13, and particularly can effectively reduce the probability that the patient is infected by the connecting pipe 13 in the operation.

The working principle is as follows: according to the universal blue clamp, the handheld operation part 1 is used for being handheld and operating the cutting part 3 by hands, and is composed of the mounting frame 4, the first connecting arm 6, the first holding ring 8, the connecting seat 20, the second connecting arm 7, the second holding ring 9 and the connecting piece 21, so that fingers can be conveniently inserted into the first holding ring 8 and the second holding ring 9 and simultaneously matched with the first connecting arm 6 and the second connecting arm 7 to fully utilize the lever principle, the cutting force of the cutting part 3 can be ensured, and the pathological meniscus can be cut off smoothly; the connection adjusting part 2 is used for connecting the cutting part 3 with the handheld operating part 1 and adjusting the direction of the cutting part 3, and is composed of a mounting pipe 12, a connecting pipe 13, a nut 11, an adjusting bolt 14, a limiting plate 31, a first wafer 23 and a steel wire 19, transmission can be carried out through the steel wire 19, meanwhile, as the steel wire 19 is rotatably connected with the limiting plate 31 and a through groove 22, the mounting pipe 12 can be rotationally adjusted by unscrewing the adjusting bolt 14 by three hundred and sixty degrees, so that the meniscal with pathological changes in any directions can be cut, and the range of the operation of the blue clamp is large; the excision portion 3 is used for excising the meniscus, and it is by cutter seat 15, cutter 16, fixed ear 26, second disk 24, lug 25, fixing base 30, first spring holder 27, second spring holder 29 and spring 28, under the effect of spring 28, cutter 16 can remain open state with cutter seat 15 all the time under the condition of no human operation, make the steel wire 19 be in the tensioning state simultaneously, can prevent that the second from holding ring 9 and rocking back and forth, thereby make this blue pincers not only structural performance stable, convenient to use moreover.

The using method comprises the following steps: during the use, the operation of disinfecting to this blue pincers just earlier, the doctor inserts first ring 8 and the second is held inside the ring 9 with the finger respectively, then put into the incision of patient's joint department with the excision portion 3 of this blue pincers and carry out the excision processing to the meniscus of the pathological change in the joint, during the excision, go into the meniscus card of pathological change between cutter seat 15 and cutter 16, first ring 8 and the second of holding is held fast to doctor's finger hard, drive cutter 16 through steel wire 19 and cut the meniscus of pathological change to cutter seat 15 interlock, then take out the meniscus of the pathological change of excision, then to the incision of patient wrap up the processing can.

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

1. The universal blue clamp is characterized in that: the handheld operation part comprises a handheld operation part (1), a connection adjusting part (2) and a cutting part (3), wherein the cutting part (3) is connected with the handheld operation part (1) through the connection adjusting part (2);

the handheld operation part (1) comprises a mounting frame (4), a first connecting arm (6), a first holding ring (8), a connecting seat (20), a second connecting arm (7), a second holding ring (9) and a connecting piece (21), wherein a mounting groove (18) is formed in the bottom of the mounting frame (4), the first connecting arm (6) is integrally arranged at one end of the mounting frame (4), the first holding ring (8) is integrally arranged at one end of the first connecting arm (6) far away from the mounting frame (4), the connecting seat (20) is hinged inside the mounting groove (18) through a first pin shaft (5), the second connecting arm (7) is fixedly mounted at the bottom of the connecting seat (20), the second holding ring (9) is integrally arranged at one end of the second connecting arm (7) far away from the connecting seat (20), the connecting piece (21) is integrally arranged on one side face of the connecting seat (20), the connecting piece (21) is far away from the first connecting arm (6), the connecting piece (21) is positioned in the mounting groove (18), and a through groove (22) is formed in one end, far away from the connecting seat (20), of the connecting piece (21);

the connection adjusting part (2) comprises an installation pipe (12), a connecting pipe (13), a nut (11), an adjusting bolt (14), a limiting plate (31), a first circular plate (23) and a steel wire (19), the installation pipe (12) is fixedly installed at the other end of the installation frame (4), the installation pipe (12) is communicated with the installation groove (18) to be arranged, one end of the connecting pipe (13) is movably installed in the installation pipe (12), the nut (11) is welded on the surface of the installation pipe (12), the adjusting bolt (14) is screwed in the nut (11), the head of the adjusting bolt (14) is in contact with the surface of the connecting pipe (13), the limiting plate (31) is fixedly installed in the installation pipe (12), the limiting plate (31) is in contact with one end of the connecting pipe (13) in the installation pipe (12), the first wafer (23) is movably arranged inside the through groove (22), the steel wire (19) is movably arranged inside the connecting pipe (13), and one end of the steel wire (19) sequentially and movably penetrates through the limiting plate (31) and the groove wall of the through groove (22) and is fixedly connected with the center position of the first wafer (23);

the cutting part (3) comprises a cutter seat (15), a cutter (16), a fixed lug (26), a second wafer (24), a bump (25), a fixed seat (30), a first spring seat (27), a second spring seat (29) and a spring (28), the cutter seat (15) is welded at the end part of the other end of the connecting pipe (13), one end of the cutter (16) is hinged in the cutter seat (15) through a second pin shaft (17), the fixed lug (26) is integrally arranged at the bottom of the cutter (16), the second wafer (24) is movably arranged on one side surface of the fixed lug (26), the cutter (16) and the bump (25) are integrally arranged, the end bottom of the connecting pipe (13) is close to the cutter seat, the fixed seat (30) is fixedly arranged in the connecting pipe (13), the first spring seat (27) is fixedly arranged on the side surface of the bump (25) close to the fixed seat (30), the second spring seat (29) is fixedly mounted on the side face, close to the protruding block (25), of the fixed seat (30), the spring (28) is fixedly mounted between the second spring seat (29) and the first spring seat (27), and the other end of the steel wire (19) sequentially and movably penetrates through the fixed seat (30) and the fixing lug (26) and is fixedly connected with the second wafer (24).

2. The universal blue clamp according to claim 1, wherein: the included angle between the connecting piece (21) and the second connecting arm (7) is 80-100 degrees.

3. The universal blue clamp according to claim 1, wherein: the bottom of the lug (25) is of an arc-shaped structure, and the connecting seat (20) is a circular connecting seat.

4. The universal blue clamp according to claim 1, wherein: the bottom of the second holding ring (9) is also integrally provided with an arc-shaped rod (10).

5. The universal blue clamp according to claim 1, wherein: the limiting plate (31), the groove wall of the through groove (22), the fixing lug (26) and the fixing seat (30) are all provided with guide holes matched with the steel wires (19).

6. The universal blue clamp according to claim 1, wherein: the corners of the first connecting arm (6), the first holding ring (8), the second connecting arm (7) and the second holding ring (9) are rounded structures.

7. The universal blue clamp according to claim 1, wherein: the included angle between the first connecting arm (6) and the mounting rack (4) is 130-140 degrees.