CN108295371B - Surface anesthesia needle tube - Google Patents
Surface anesthesia needle tube Download PDFInfo
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- CN108295371B CN108295371B CN201810119547.1A CN201810119547A CN108295371B CN 108295371 B CN108295371 B CN 108295371B CN 201810119547 A CN201810119547 A CN 201810119547A CN 108295371 B CN108295371 B CN 108295371B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M35/00—Devices for applying media, e.g. remedies, on the human body
- A61M35/003—Portable hand-held applicators having means for dispensing or spreading integral media
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M19/00—Local anaesthesia; Hypothermia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0468—Liquids non-physiological
- A61M2202/048—Anaesthetics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/04—Skin
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- Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention belongs to the technical field of anesthesia instruments, and particularly relates to a surface layer anesthesia needle tube and a using method thereof. The purpose is as follows: the problem of the anesthesia scope that current epidermis anaesthesia device structural defect leads to uncontrollable, extravagant anaesthetic, the anaesthetic extraction degree of difficulty is big is solved.
Description
Technical Field
The invention belongs to the technical field of anesthesia instruments, and particularly relates to a surface anesthesia needle tube.
Background
In long-term clinical practice, when anaesthetizing epidermis or regional anesthesia, spray patient's skin through the medicine and carry out the anesthesia, and current spraying measure is when using, and the apparatus is too huge, can increase the scope of anesthesia, extravagant anesthetic, and patient resumes unnecessary anesthesia scope simultaneously and also can produce the puzzlement, and medical personnel when getting the medicine toward the needle tubing jar, because too big needs medical personnel to irritate hard and get in the needle tubing internal pressure, has increased the work degree of difficulty for medical personnel.
Disclosure of Invention
The purpose of the invention is: aims to provide a surface anesthesia needle tube for solving the problems that the anesthesia scope can not be controlled, the anesthesia medicine is wasted and the extraction difficulty of the anesthesia medicine is high due to the structural defects of the existing epidermal anesthesia device.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a surface layer anesthesia needle tube comprises a tube body, wherein a connecting tube is arranged on the lower end face of the tube body, a first external thread is arranged on the outer side face of the connecting tube, a fixed tube is sleeved on the connecting tube, a first internal thread matched with the first external thread is arranged on the inner side face of the fixed tube, a hexagonal block is integrally formed on the outer wall of the upper portion of the fixed tube, a leakage groove is formed in the lower portion of the fixed tube, a medicine spray hole is formed in the surface of the leakage groove and communicated with the inside of the fixed tube, a rubber spraying protection cover is further sleeved on the fixed tube, a piston is arranged in the tube body, a piston rod is arranged on the upper end face of the piston rod, a central rod is further arranged on the upper end face of the piston rod, the diameter size of the central rod is smaller than that of the piston rod, a lead screw is sleeved on the, the upper end surface of the barrel is provided with a frame body, the frame body comprises a bottom plate, a middle plate, a top plate and two side plates positioned on the front side and the rear side of the frame body from bottom to top, the upper end surface of the bottom plate is provided with a first through hole, the upper end surface of the middle plate is provided with a second through hole, the upper end surface of the top plate is provided with a third through hole, the diameter sizes of the first through hole, the second through hole and the third through hole are all larger than that of the piston rod, the lower end surface of the bottom plate is provided with a second lug matched with the first lug, the upper end surface of the second lug is provided with a stepped hole matched with the third threaded hole, the right side of the middle plate is provided with a support plate, the upper end surface of the support plate is vertically provided with a clamping plate, the upper end of the clamping plate is transversely provided, the right end of the movable handle is positioned above the fixed handle, the right end of the movable handle is provided with a pressure rod, the lower end surface of the pressure rod is horizontally provided with a pressing sheet, the right end of the upper end surface of the pressing sheet is provided with a fourth through hole, the piston rod is arranged in the fourth through hole in a penetrating way, the fourth through hole is in clearance fit with the piston rod, the pressing sheet is positioned on the lower end surface of the middle plate, a first compression spring is sleeved on the piston rod between the pressing sheet and the bottom plate, the piston rod is obliquely sleeved with a clamping sheet above the middle plate, the upper end surface of the clamping sheet is vertically provided with a fifth through hole, the diameter size of the fifth through hole is larger than that of the piston rod, the clamping sheet is sleeved on the piston rod through the fifth through hole, the clamping sheet is positioned between the two side plates, the piston rod is sleeved with a second compression spring between the middle plate and the clamping piece, the screw rod is sleeved with a thread sleeve matched with the screw rod on the upper end face of the top plate, the screw rod is sleeved with an inverted L-shaped ruler plate on the upper end face of the thread sleeve, the outer wall of the upper portion of the side plate is provided with a scale mark matched with the inverted L-shaped ruler plate, and the upper end of the center rod is detachably connected with a handle.
Further inject, the hexagonal piece up end is equipped with the annular groove, be equipped with the sealing washer in the annular groove between hexagonal piece up end and the barrel lower extreme face. Such structural design, after linking together fixed section of thick bamboo and barrel, through screwing up fixed section of thick bamboo, can make the sealing washer closely fix between fixed section of thick bamboo and barrel, prevent that anesthetic from leaking from first external screw thread, use practice thrift anesthetic.
Further inject, both sides axial respectively is equipped with a bar recess around the piston rod, the bottom plate respectively is equipped with a projection with bar recess assorted in both sides around first through-hole. Through the mutual matching of the convex columns and the strip-shaped grooves, the structure design can avoid the piston from rotating.
Further inject, well core rod up end is equipped with the hexagonal boss, hexagonal boss up end central position is equipped with the second screw hole, the handle up end is equipped with the blind hole, the handle be equipped with in the blind hole bottom with hexagonal boss assorted hexagonal hole, be equipped with hexagon socket head cap screw in the blind hole. Such structural design when installing on well core rod handle, inserts hexagonal boss into the hexagonal hole earlier, installs hexagon socket head cap screw in the blind hole again, through hexagon socket head cap screw and the cooperation of second screw hole, accomplishes well core rod and handle fixed, through the cooperation of hexagon boss and hexagonal hole simultaneously, prevents to take place to rotate between well core rod and the handle.
Further limiting, a first annular boss is arranged on the upper end face of the bottom plate at the outer edge of the first through hole, and a second annular boss is arranged on the upper end face of the middle plate at the outer edge of the second through hole. Such structural design, first compression spring lower extreme card is established in first annular boss, second compression spring lower extreme card is established in second annular boss, makes first compression spring and second compression spring lower extreme receive the restriction to a certain extent, prevents first compression spring and second compression spring dislocation.
Further limit, the upper end surface of the fixed handle and the lower end surface of the movable handle are coated with rubber layers. The structure design can enhance the hand feeling of the needle tube when in use, so that an operator has better operation experience.
The use method of the surface anesthesia needle tube comprises the following steps:
1) rotating the fixed cylinder to take the fixed cylinder off the connecting cylinder;
2) the left end of the card is pressed downwards to be horizontal, so that the card does not block the piston rod any more;
3) the connecting cylinder is placed into a vessel containing anesthetic, the handle is held and pulled upwards, the anesthetic is extracted, and the anesthetic enters the cylinder body;
4) after extraction is finished, the card is released, so that the left end of the card moves upwards under the action of the second compression spring, and the piston rod is clamped;
5) taking out the fixed cylinder, sleeving a rubber spraying protective cover on the fixed cylinder, and then installing the fixed cylinder on the connecting cylinder;
6) rotating the threaded sleeve to enable the inverted L-shaped ruler plate to move upwards, and determining the usage amount of anesthetic according to the position of the lower end of the inverted L-shaped ruler plate indicated on the scale mark;
7) the cylinder body is held by one hand, the rubber spraying protective cover is pressed at the position where the epidermis anesthesia is needed, the fixed handle and the movable handle are pinched by the other hand, the left ends of the fixed handle and the movable handle move oppositely, at the moment, the pressing rod extrudes the pressing sheet, the horizontal state of the pressing sheet is deviated, meanwhile, as the fourth through hole at the right end of the upper end surface of the pressing sheet is in clearance fit with the piston rod, when the horizontal state of the pressing sheet is deviated, the pressing sheet can clamp the piston rod through the fourth through hole, at the moment, the piston rod has the tendency of moving downwards, thereby driving the left end of the card to have a downward moving trend, overcoming the clamping force of the card on the piston rod, continuously pinching the left ends of the fixed handle and the movable handle, the piston rod can move downwards to drive the piston to move downwards, so that the anesthetic in the cylinder is sprayed out from the medicine spray hole under the action of the piston to anesthetize the epidermis;
8) the movable handle is loosened, the first compression spring resets under the action of the spring potential energy of the first compression spring, the right end of the pressing piece is pushed to move upwards, the first compression spring is sleeved on the piston rod, after the pressing piece is loosened to extrude the first compression spring, the first compression spring provides a vertical upward force for the pressing piece, the pressing piece is loosened to extrude the piston rod, the pressing piece is reset, the movable handle is driven to reset, the piston rod has a trend of moving upwards at the moment, the left end of the clamping piece is driven to warp upwards, the clamping of the piston rod is completed again through the fifth through hole, and the piston rod is prevented from moving upwards;
9) the fixed handle and the movable handle are pinched again, so that the anesthetic in the cylinder is sprayed for the second time until the lower end surface of the threaded sleeve is pressed against the upper end surface of the top plate;
10) the anesthesia needle cylinder is taken off, and the anesthesia is completed.
According to the technical scheme, the anesthesia range is controlled in a mode that the rubber spraying protective cover covers the epidermis of a patient, rubber spraying protective covers with different sizes can be selected according to use requirements in practical use according to different anesthesia ranges, the rubber spraying protective cover and the fixed sleeve are detachably connected, replacement is convenient, the problem that the anesthesia range of a traditional anesthesia device cannot be controlled is solved, meanwhile, the anesthesia part is covered by the rubber spraying protective cover, volatilization of anesthetic is reduced, namely the usage amount of anesthetic is reduced, and the influence of medical care personnel after the anesthetic volatilizes through air is reduced; when the anesthetic is extracted, the fixed cylinder is taken down firstly, and the anesthetic is extracted through the connecting cylinder with the aperture size far larger than the size of the drug spray hole, so that the extraction difficulty is reduced; meanwhile, the anesthetic liquid medicine is placed in the barrel, the distance between the lower end face of the threaded sleeve and the upper end face of the top plate is adjusted, and the position of the lower end of the inverted L-shaped ruler plate on the scale mark is indicated, so that the anesthetic dosage of the anesthetic liquid medicine in the range of the rubber spraying shield cage can be accurately controlled; the threaded sleeve is rotated again, so that the threaded sleeve moves upwards, the rubber spraying protective cover is placed at other positions needing anesthesia, the anesthesia can be performed again, the use is convenient, the anesthetic is not required to be poured into the barrel again, the operation flow is simplified, and the operation difficulty is reduced.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a first schematic structural view of a needle cannula for superficial anesthesia according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a superficial anesthetic needle cannula according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is an enlarged view of the structure at C in FIG. 2;
FIG. 6 is a second schematic structural view of a needle cannula for superficial anesthesia according to an embodiment of the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 6 at D;
FIG. 8 is a schematic view of a plunger of an embodiment of a epianesthetic needle cannula of the present invention;
FIG. 9 is a schematic view of a mounting cartridge in an embodiment of a epianesthetic needle cannula of the present invention;
FIG. 10 is a schematic view of a frame of an embodiment of a superficial anesthetic needle cannula of the present invention;
the main element symbols are as follows:
the cylinder body 1, the connecting cylinder 11, the first bump 12, the fixed cylinder 2, the hexagonal block 21, the annular groove 211, the sealing ring 212, the leak groove 22, the rubber spraying shield 3, the piston 4, the piston rod 42, the strip-shaped groove 421, the center rod 43, the hexagonal boss 431, the second threaded hole 432, the screw rod 44, the bottom plate 51, the middle plate 52, the top plate 53, the side plate 54, the first through hole 510, the second through hole 520, the third through hole 530, the convex column 5101, the first annular boss 5102, the second bump 511, the stepped hole 512, the second annular boss 5202, the support plate 521, the snap-plate 522, the snap-column 523, the fixed handle 6, the movable handle 61, the pressure lever 62, the press sheet 63, the first compression spring 64, the snap-plate 65, the strip-shaped notch 651, the second compression spring 66, the threaded sleeve 7, the inverted L, Scale mark 72, handle 8, hexagon socket pan head bolt 81.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1 to 10, the surface anesthesia needle tube of the present invention comprises a tube body 1, a connecting tube 11 is provided on the lower end surface of the tube body 1, a first external thread is provided on the outer side surface of the connecting tube 11, a fixed tube 2 is sleeved on the connecting tube 11, a first internal thread matched with the first external thread is provided on the inner side surface of the fixed tube 2, a hexagonal block 21 is integrally formed on the outer wall of the upper portion of the fixed tube 2, a leakage groove 22 is provided on the lower portion of the fixed tube 2, a medicine spraying hole is provided on the surface of the leakage groove 22 and communicated with the inside of the fixed tube 2, a rubber spraying shield 3 is further sleeved on the fixed tube 2, a piston 4 is provided in the tube body 1, a piston rod 42 is provided on the upper end surface of the piston 4, a central rod 43 is further provided on the upper end surface of the piston rod 42, the diameter of the central, the upper end face of the first bump 12 is provided with a third threaded hole, the upper end face of the barrel 1 is provided with a frame body, the frame body comprises a bottom plate 51, a middle plate 52, a top plate 53 and two side plates 54 positioned at the front side and the rear side of the frame body from bottom to top, the upper end face of the bottom plate 51 is provided with a first through hole 510, the upper end face of the middle plate 52 is provided with a second through hole 520, the upper end face of the top plate 53 is provided with a third through hole 530, the diameter sizes of the first through hole 510, the second through hole 520 and the third through hole 530 are all larger than that of the piston rod 42, the lower end face of the bottom plate 51 is provided with a second bump 511 matched with the first bump 12, the upper end face of the second bump 511 is provided with a stepped hole matched with the third threaded hole, the right side of the middle plate 52 is provided with a support plate 521, the upper end face of the support plate, the fixed handle 6 is hinged with the movable handle 61 in an X shape, the right end of the movable handle 61 is positioned above the fixed handle 6, the right end of the movable handle 61 is provided with a pressing rod 62, the lower end surface of the pressing rod 62 is horizontally provided with a pressing sheet 63, the right end of the upper end surface of the pressing sheet 63 is provided with a fourth through hole, the piston rod 42 is arranged in the fourth through hole in a penetrating way, the fourth through hole is in clearance fit with the piston rod, the pressing sheet 63 is positioned on the lower end surface of the middle plate 52, the piston rod 42 is sleeved with a first compression spring 64 between the pressing sheet 63 and the bottom plate 51, the piston rod 42 is obliquely sleeved with a clamping sheet 65 above the middle plate 52, the upper end surface of the clamping sheet 65 is vertically provided with a fifth through hole, the diameter of the fifth through hole is larger than that of the piston rod 42, the clamping sheet 65 is sleeved on the piston rod 42, the clamping column 523 is located on the upper end face of the right end of the clamping sheet 65, the piston rod 42 is sleeved with the second compression spring 66 between the middle plate 52 and the clamping sheet 65, the screw rod 44 is sleeved with the thread sleeve 7 matched with the screw rod 44 on the upper end face of the top plate 53, the screw rod 44 is sleeved with the inverted L-shaped ruler plate 71 on the upper end face of the thread sleeve 7, the outer wall of the upper part of the side plate 54 is provided with the scale mark 72 matched with the inverted L-shaped ruler plate 71, and the upper end of the central rod 43 is detachably.
Preferably, the upper end surface of the hexagonal block 21 is provided with an annular groove 211, and a sealing ring 212 is arranged between the upper end surface of the hexagonal block 21 and the lower end surface of the cylinder 1 in the annular groove 211. Such structural design, after linking together fixed section of thick bamboo 2 and barrel 1, through screwing up fixed section of thick bamboo 2, can make sealing washer 211 closely fix between fixed section of thick bamboo 2 and barrel 1, prevent that anesthetic from leaking from first external screw thread, use sparingly anesthetic.
Preferably, the front and rear sides of the piston rod 42 are axially provided with a strip-shaped groove 421, and the front and rear sides of the first through hole 510 of the bottom plate 51 are provided with a convex pillar 5101 matched with the strip-shaped groove 421. Due to the structural design, the convex column 5101 is matched with the strip-shaped groove 421, so that the piston 4 can be prevented from rotating.
Preferably, well core rod 43 up end is equipped with hexagonal boss 431, and hexagonal boss 431 up end central position is equipped with second screw hole 432, and 8 up ends of handle are equipped with the blind hole, and handle 8 is equipped with in the blind hole bottom with hexagonal boss 431 assorted hexagonal hole, be equipped with hexagon socket head cap screw 81 in the blind hole. Due to the structural design, when the handle 8 is installed on the central rod 43, the hexagonal boss 431 is inserted into the hexagonal hole, the hexagon socket head cap bolt 81 is installed in the blind hole, the central rod 43 and the handle 8 are fixed through the matching of the hexagon socket head cap bolt 81 and the second threaded hole 432, and meanwhile, the rotation between the central rod 43 and the handle 8 is prevented through the matching of the hexagon boss 431 and the hexagonal hole.
Preferably, the upper end surface of the bottom plate 51 is provided with a first annular boss 5102 at the outer edge of the first through hole 510, and the upper end surface of the middle plate 52 is provided with a second annular boss 5202 at the outer edge of the second through hole 520. Due to the structural design, the lower end of the first compression spring 64 is clamped in the first annular boss 5102, and the lower end of the second compression spring 66 is clamped in the second annular boss 5202, so that the lower ends of the first compression spring 64 and the second compression spring 66 are limited to a certain extent, and the first compression spring 64 and the second compression spring 66 are prevented from being dislocated.
Preferably, the upper end surface of the fixed handle 6 and the lower end surface of the movable handle 61 are both coated with rubber layers. The structure design can enhance the hand feeling of the needle tube when in use, so that an operator has better operation experience.
The use method of the surface anesthesia needle tube comprises the following steps:
1) rotating the fixed cylinder 2 to take the fixed cylinder 2 off the connecting cylinder 11;
2) the left end of the card 65 is pressed downwards to be horizontal, so that the card 65 does not block the piston rod 42 any more;
3) the connecting cylinder 11 is placed into a vessel containing anesthetic, the handle 8 is grasped to drag the connecting cylinder upwards, the anesthetic is extracted, and the anesthetic enters the cylinder body 1;
4) after the extraction is completed, the card 65 is released, and the left end of the card 65 is moved upward by the second compression spring 66, so that the piston rod 42 is clamped;
5) taking out the fixed cylinder 2, sleeving the fixed cylinder 2 with the rubber spraying shield 3, and then installing the fixed cylinder 2 on the connecting cylinder 11;
6) the threaded sleeve 7 is rotated to enable the inverted L-shaped ruler plate 71 to move upwards, and the usage amount of the anesthetic is determined according to the position of the lower end of the inverted L-shaped ruler plate 71 indicated on the scale mark 72;
7) the cylinder body 1 is held by one hand, the rubber spraying shield 3 is pressed at the position where epidermis anesthesia is needed, the fixed handle 6 and the movable handle 61 are pinched by the other hand, the left ends of the fixed handle 6 and the movable handle 61 move oppositely, at the same time, the pressing rod 62 presses the pressing sheet 63, the horizontal state of the pressing sheet 63 deviates, simultaneously, because the fourth through hole at the right end of the upper end surface of the pressing sheet 63 is in clearance fit with the piston rod 42, after the horizontal state of the pressing sheet 63 deviates, the pressing sheet 63 can clamp the piston rod 42 through the fourth through hole, at the same time, the piston rod 42 has the trend of moving downwards, so that the left end of the clamping sheet 65 is driven to have the trend of moving downwards, the clamping force of the clamping sheet 65 on the piston rod 42 is overcome, the left ends of the fixed handle 6 and the movable handle 61 are pinched continuously, the piston rod 42 can move downwards, the piston 4 is driven to move downwards, and accordingly, the anesthetic in the cylinder body, anaesthetizing the epidermis;
8) the movable handle 61 is loosened, at the moment, the first compression spring 64 resets under the action of the spring potential energy of the first compression spring 64, the right end of the pressing piece 63 is pushed to move upwards, the first compression spring 64 is sleeved on the piston rod 42, after the pressing piece 63 is loosened to extrude the first compression spring 64, the first compression spring 64 provides a vertical upward force for the pressing piece 63, the pressing piece 63 is loosened to extrude the piston rod 42, the pressing piece 63 is reset, the movable handle 61 is driven to reset, at the moment, the piston rod 42 has the upward movement trend, the left end of the clamping piece 65 is driven to tilt upwards, the clamping of the piston rod 42 by the fifth through hole is completed again, and the piston rod 42 is prevented from moving upwards;
9) the fixed handle 6 and the movable handle 61 are pinched again, so that the anesthetic in the barrel body 1 is sprayed for the second time until the lower end surface of the threaded sleeve 7 is pressed against the upper end surface of the top plate 53;
10) the anesthesia needle cylinder is taken off, and the anesthesia is completed.
In the embodiment, the anesthesia range is controlled by covering the rubber spraying shield 3 on the epidermis of a patient, the rubber spraying shields 3 with different sizes can be selected according to the use requirements in practical use according to different anesthesia ranges, the rubber spraying shield 3 and the fixed sleeve 2 are detachably connected in the invention, the replacement is convenient, the problem that the anesthesia range of the traditional anesthesia device cannot be controlled is solved, meanwhile, the anesthesia part is covered by the rubber spraying shield 3, the volatilization of anesthetic is reduced, namely, the use amount of anesthetic is reduced, and the influence of medical care personnel after the anesthetic volatilizes through air is also reduced; when extracting the anesthetic, the fixed cylinder 2 is firstly taken down, and the anesthetic is extracted through the connecting cylinder 11 with the aperture size far larger than the size of the drug spray hole, so that the extraction difficulty is reduced; meanwhile, the anesthetic liquid medicine is placed in the barrel body 1, the distance between the lower end face of the threaded sleeve 7 and the upper end face of the top plate 53 is adjusted, and the position of the lower end of the inverted L-shaped ruler plate 71 on the scale mark 72 is displayed, so that the anesthetic dosage of the anesthetic liquid medicine in the range covered by the rubber spraying shield 3 can be accurately controlled; the threaded sleeve 7 is rotated again, the threaded sleeve 7 moves upwards, the rubber spraying shield 3 is placed at other positions needing anesthesia, the anesthesia can be performed again, the use is convenient, the anesthetic is not required to be poured into the barrel body 1 again, the operation flow is simplified, and the operation difficulty is reduced.
The surface anesthesia needle tube provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. A surface anesthesia needle tube is characterized in that: the spraying device comprises a barrel body (1), wherein a connecting barrel (11) is arranged on the lower end face of the barrel body (1), a first external thread is arranged on the outer side face of the connecting barrel (11), a fixed barrel (2) is sleeved on the connecting barrel (11), a first internal thread matched with the first external thread is arranged on the inner side face of the fixed barrel (2), a hexagonal block (21) is integrally formed on the outer wall of the upper portion of the fixed barrel (2), a leakage groove (22) is arranged on the lower portion of the fixed barrel (2), a medicine spraying hole is formed in the surface of the leakage groove (22), the medicine spraying hole is communicated with the inside of the fixed barrel (2), a rubber spraying protective cover (3) is further sleeved on the fixed barrel (2), a piston (4) is arranged in the barrel body (1), a piston rod (42) is arranged on the upper end face of the piston (4), a central rod (43) is further arranged on the upper end face of the piston rod (, the lead screw (44) is sleeved on the central rod (43), the front side and the rear side of the upper part of the barrel body (1) are respectively provided with a first convex block (12), the upper end face of the first convex block (12) is provided with a third threaded hole, the upper end face of the barrel body (1) is provided with a frame body, the frame body comprises a bottom plate (51), a middle plate (52), a top plate (53) and two side plates (54) positioned on the front side and the rear side of the frame body from bottom to top, the upper end face of the bottom plate (51) is provided with a first through hole (510), the upper end face of the middle plate (52) is provided with a second through hole (520), the upper end face of the top plate (53) is provided with a third through hole (530), the diameter sizes of the first through hole (510), the second through hole (520) and the third through hole (530) are all larger than that of the piston rod (42), the lower end, the upper end face of the second bump (511) is provided with a stepped hole (512) matched with a third threaded hole, the right side of the middle plate (52) is provided with a support plate (521), the upper end face of the support plate (521) is vertically provided with a clamping plate (522), the upper end of the clamping plate (522) is transversely provided with a clamping column (523), the left side of the upper part of the barrel body (1) is transversely provided with a fixed handle (6), the fixed handle (6) is hinged with a movable handle (61), the fixed handle (6) is hinged with the movable handle (61) in an X shape, the right end of the movable handle (61) is positioned above the fixed handle (6), the right end of the movable handle (61) is provided with a pressing rod (62), the lower end face of the pressing rod (62) is horizontally provided with a pressing sheet (63), the right end face of the upper end face of the pressing sheet (63) is provided with a fourth through hole, the piston rod (42, the pressing sheet (63) is located on the lower end face of the middle plate (52), a first compression spring (64) is sleeved on the piston rod (42) between the pressing sheet (63) and the bottom plate (51), a clamping sheet (65) is obliquely sleeved on the piston rod (42) above the middle plate (52), a fifth through hole is vertically arranged on the upper end face of the clamping sheet (65), the diameter size of the fifth through hole is larger than that of the piston rod (42), the clamping sheet (65) is sleeved on the piston rod (42) through the fifth through hole, the clamping sheet (65) is located between the two side plates (54), a strip-shaped notch (651) is arranged at the right end of the clamping sheet (65), the right end of the clamping sheet (65) is clamped on the clamping plate (522) through the strip-shaped notch (651), the clamping column (523) is located on the upper end face of the right end of the clamping sheet (65), and a second compression spring (66) is sleeved on the piston rod, the screw rod (44) is sleeved with a thread sleeve (7) matched with the screw rod (44) on the upper end face of the top plate (53), the screw rod (44) is sleeved with an inverted L-shaped ruler plate (71) on the upper end face of the thread sleeve (7), the outer wall of the upper portion of the side plate (54) is provided with scale marks (72) matched with the inverted L-shaped ruler plate (71), and the upper end of the center rod (43) is detachably connected with a handle (8).
2. An epianesthetic needle cannula as claimed in claim 1, characterized in that: an annular groove (211) is formed in the upper end face of the hexagonal block (21), and a sealing ring (212) is arranged between the upper end face of the hexagonal block (21) and the lower end face of the barrel body (1) in the annular groove (211).
3. An epianesthetic needle cannula as claimed in claim 2, characterized in that: the front side and the rear side of the piston rod (42) are respectively provided with a strip-shaped groove (421) in the axial direction, and the front side and the rear side of the first through hole (510) of the bottom plate (51) are respectively provided with a convex column (5101) matched with the strip-shaped grooves (421).
4. A superficial anesthetic needle cannula as claimed in claim 3, characterized in that: well core rod (43) up end is equipped with hexagonal boss (431), hexagonal boss (431) up end central position is equipped with second screw hole (432), handle (8) up end is equipped with the blind hole, handle (8) be equipped with bottom the blind hole with hexagonal boss (431) assorted hexagonal hole, be equipped with interior hexagonal pan head bolt (81) in the blind hole.
5. An epianesthetic needle cannula as claimed in claim 4, characterized in that: the upper end face of the bottom plate (51) is provided with a first annular boss (5102) at the outer edge of the first through hole (510), and the upper end face of the middle plate (52) is provided with a second annular boss (5202) at the outer edge of the second through hole (520).
6. An epianesthetic needle cannula as claimed in claim 5, characterized in that: the upper end surface of the fixed handle (6) and the lower end surface of the movable handle (61) are coated with rubber layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119547.1A CN108295371B (en) | 2018-02-06 | 2018-02-06 | Surface anesthesia needle tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119547.1A CN108295371B (en) | 2018-02-06 | 2018-02-06 | Surface anesthesia needle tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108295371A CN108295371A (en) | 2018-07-20 |
| CN108295371B true CN108295371B (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810119547.1A Expired - Fee Related CN108295371B (en) | 2018-02-06 | 2018-02-06 | Surface anesthesia needle tube |
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| Country | Link |
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| CN (1) | CN108295371B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974342B (en) * | 2019-12-09 | 2022-10-25 | 李联辉 | Hand-operated bone drill with anesthesia function |
| CN111990954B (en) * | 2020-07-29 | 2023-11-21 | 重庆医科大学附属永川医院 | Vaginal dilator for gynaecology |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08173531A (en) * | 1994-12-22 | 1996-07-09 | Motoo Muronoi | Dental painless anesthetic apparatus |
| CN104288887A (en) * | 2014-09-25 | 2015-01-21 | 杨一辰 | Novel anesthesia needle tube |
| CN204446815U (en) * | 2015-01-07 | 2015-07-08 | 袁利刚 | A kind of Multifunctional anesthesia pin |
| CN205360148U (en) * | 2015-12-26 | 2016-07-06 | 符天鹏 | Anesthetic needle for medical care |
| CN205391445U (en) * | 2016-01-28 | 2016-07-27 | 范瑷霞 | Easy one -hand operation's anesthesia cylinder |
| CN206543312U (en) * | 2016-11-26 | 2017-10-10 | 中国医科大学附属盛京医院 | A kind of Novel anesthesia section anestetic needle |
-
2018
- 2018-02-06 CN CN201810119547.1A patent/CN108295371B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08173531A (en) * | 1994-12-22 | 1996-07-09 | Motoo Muronoi | Dental painless anesthetic apparatus |
| CN104288887A (en) * | 2014-09-25 | 2015-01-21 | 杨一辰 | Novel anesthesia needle tube |
| CN204446815U (en) * | 2015-01-07 | 2015-07-08 | 袁利刚 | A kind of Multifunctional anesthesia pin |
| CN205360148U (en) * | 2015-12-26 | 2016-07-06 | 符天鹏 | Anesthetic needle for medical care |
| CN205391445U (en) * | 2016-01-28 | 2016-07-27 | 范瑷霞 | Easy one -hand operation's anesthesia cylinder |
| CN206543312U (en) * | 2016-11-26 | 2017-10-10 | 中国医科大学附属盛京医院 | A kind of Novel anesthesia section anestetic needle |
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| Publication number | Publication date |
|---|---|
| CN108295371A (en) | 2018-07-20 |
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