CN112972829B - Medical clinical syringe is with using syringe needle - Google Patents

Medical clinical syringe is with using syringe needle Download PDF

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Publication number
CN112972829B
CN112972829B CN202110204580.6A CN202110204580A CN112972829B CN 112972829 B CN112972829 B CN 112972829B CN 202110204580 A CN202110204580 A CN 202110204580A CN 112972829 B CN112972829 B CN 112972829B
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CN
China
Prior art keywords
fixedly connected
needle
suction pipe
handle
pipe
Prior art date
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Expired - Fee Related
Application number
CN202110204580.6A
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Chinese (zh)
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CN112972829A (en
Inventor
刘丹
陈英
蔡振璇
周欢欢
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Edong Healthcare Group City Central Hospital
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Edong Healthcare Group City Central Hospital
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Priority to CN202110204580.6A priority Critical patent/CN112972829B/en
Publication of CN112972829A publication Critical patent/CN112972829A/en
Application granted granted Critical
Publication of CN112972829B publication Critical patent/CN112972829B/en
Expired - Fee Related legal-status Critical Current
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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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2006—Piercing means
    • A61J1/201—Piercing means having one piercing end
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2048—Connecting means
    • A61J1/2051—Connecting means having tap means, e.g. tap means activated by sliding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2096—Combination of a vial and a syringe for transferring or mixing their contents
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3286—Needle tip design, e.g. for improved penetration
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3295—Multiple needle devices, e.g. a plurality of needles arranged coaxially or in parallel
    • A61M5/3297—Needles arranged coaxially
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
    • A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M2005/3201—Coaxially assembled needle cannulas placed on top of another, e.g. needles having different diameters

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  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Dermatology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a needle head for a medical clinical injector, which comprises an injector and a holder, wherein the injector consists of a needle cylinder and an injection needle head, the needle cylinder is horizontally arranged and cylindrical, the right side surface of the needle cylinder is fixedly connected with a nipple, the left end of the surface of the needle cylinder is fixedly connected with a finger plate, the inner wall of the needle cylinder is connected with a piston handle in a sliding manner, the right side surface of the needle cylinder is provided with the injection needle head, and the right side surface of the piston handle is fixedly connected with a piston. The liquid suction device is simple in structure and convenient to use, the problem of liquid suction in a bottle is solved by arranging the syringe, when liquid medicine is sucked, the front outlet of the inner layer tube and the top end of the needle point are positioned on the same plane, the liquid in the bottle can be effectively sucked completely, waste is avoided, meanwhile, the suction efficiency is improved and the whole working efficiency is improved by arranging the telescopic rod and the first spring, and meanwhile, the whole injection efficiency is improved by arranging the sliding handle, so that the recovery of a patient is facilitated.

Description

Medical clinical syringe is with using syringe needle
Technical Field
The invention relates to the technical field of medical injectors, in particular to a needle head for a medical clinical injector.
Background
Syringes are a common medical device, and as early as the 15 th century, kathler, italian, proposed the principle of syringes, primarily for injecting medicinal fluids or drawing fluids, and syringes that can also be used for medical devices, containers, scientific instruments such as those used in chromatography, to inject gas through rubber septa into blood vessels that would cause air embolism, and the removal of air from syringes to avoid embolism was by inverting, tapping the syringe gently, and then squeezing out a bit of fluid before injection into the bloodstream.
Present medical syringe is a medical instrument of universal use on the medical treatment, carry out hypodermic injection to the patient after mainly undertaking the extraction of medical liquid medicine when treating the patient, present medical field is when treating the patient, often need carry out liquid with likepowder medicament and dilute back extraction or to the interior liquid extraction of ampoule, there is the needle point because of syringe needle department, often it is not clean to liquid absorption in the bottle, cause certain waste, simultaneously because the liquid medicine is antibiotic etc. mostly, the processing cost has been increased when handling, handle and still can cause the problem of certain influence to the environment when improper, for this reason, we provide a medical clinical syringe and use the syringe needle.
Disclosure of Invention
The invention aims to provide a needle for a medical clinical syringe, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a needle head for a medical clinical injector comprises an injector and a holder, wherein the injector consists of a needle cylinder and an injection needle head, the needle cylinder is horizontally arranged in a cylindrical shape, the right side surface of the needle cylinder is fixedly connected with a nipple, the left end of the surface of the needle cylinder is fixedly connected with a finger plate, the inner wall of the needle cylinder is slidably connected with a piston handle, the right side surface of the needle cylinder is provided with the injection needle head, the right side surface of the piston handle is fixedly connected with a piston, the injection needle head comprises a sealing body, the right end of the inner wall of the sealing body is provided with a fixed lantern ring, the right end of the fixed lantern ring is fixedly connected with an outer pipe, a water suction pipe is arranged inside the outer pipe, a limiting block is arranged at the central position of the surface of the water suction pipe, a right end sealing ring is arranged at the position of the water suction pipe, a second spring is arranged on the surface of the water suction pipe, and the left side surface of the second spring is contacted with the right side surface of the nipple, the left end of the surface of the water absorption pipe is in contact with the nipple, a left end sealing ring is arranged at the position, the left end of the surface of the water absorption pipe is in contact with the nipple, a holder main body is arranged in the holder, a fixed grab handle is fixedly connected to the bottom center position of the holder main body, a clamping groove is arranged at the top center position of the holder main body, a clamping block is fixedly connected to the bottom center position of the clamping groove, the inside of the clamping block is clamped with a finger plate, a sliding groove is arranged at the left end of the top of the holder main body, an L block is slidably connected to the inside of the sliding groove, a sliding handle is fixedly connected to the bottom of the L block, a telescopic rod is arranged on the right side surface of the sliding handle, a first spring is arranged inside the telescopic rod, the right side surface of the telescopic rod is connected with the left side surface of the fixed grab handle, a concave plate is fixedly connected to the right side surface of the L block through a limiting bolt, a piston handle is fixedly connected to the right side surface of the holder main body through a square groove, and the inner wall right-hand member fixedly connected with breathing pipe of square groove, the right-hand member of breathing pipe runs through the holder main part and extends to its outside, sliding connection has the plunger in the breathing pipe, and the left surface fixed connection of plunger inhales the handle, the top right-hand member fixedly connected with connecting block of holder main part, and the top fixedly connected with fixing base of connecting block, the right side fixed connection of fixing base has a pair of pipe, and the right flank fixed connection sucking disc of pipe, central point puts and is equipped with the through-hole in the fixing base, the inside of fixing base is equipped with the toroidal tube, and the right flank and the pipe connection of toroidal tube.
The outer layer tube and the injection needle are bonded through epoxy resin glue, and the sealing body is made of epoxy resin glue materials.
Preferably, the water suction pipe penetrates through the sealing body, the fixing lantern ring and the nipple in sequence and extends to the outside of the water suction pipe, and the nipple and the syringe are of an integrated structure.
Preferably, the right end of the air suction pipe is connected with the annular pipe through a hose, and rubber anti-slip layers are arranged on the surfaces of the sliding handle, the fixed grab handle and the suction handle.
Preferably, the water suction pipe is in a flat head design, and the water suction pipe and the outer layer pipe are bonded through epoxy resin glue.
Preferably, the water suction pipe and the fixed lantern ring form a telescopic structure through a second spring, and the water suction pipe and the limiting block are of an integrated structure.
Preferably, the plunger and the air suction pipe form a piston structure, and the concave plate and the piston handle form a fixed structure through a limiting bolt.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has simple structure and convenient use, solves the problem of absorbing liquid in the bottle by arranging the injector, can effectively absorb the liquid in the bottle completely by arranging the front outlet of the inner layer tube and the top end of the needle point on the same plane when extracting the liquid medicine, avoids waste and environmental pollution, improves the absorption efficiency by arranging the telescopic rod and the first spring, is favorable for improving the integral working efficiency, improves the integral injection efficiency by arranging the sliding handle, and is favorable for the recovery of a patient;
2. the injection needle is provided, so that the problem that liquid in a bottle cannot be completely sucked is solved, the rubber cover can be conveniently punctured, the inner layer tube can be conveniently reset under the action of the second spring after puncturing is facilitated, the use of a user is facilitated by the aid of the sucking disc, the working efficiency is improved, and meanwhile, the rubber layer is arranged, so that the falling is prevented, and the use efficiency is improved;
3. according to the injection needle water suction pipe, the end face of the injection needle water suction pipe is designed to be flat, the contact area with the bottom of the bottle is increased, liquid in the bottle is completely sucked, the medicine effect waste is avoided, the environment pollution is effectively avoided, the fixed handle is arranged, the holding by a user is facilitated, the working efficiency is improved, the whole clamping efficiency is improved by arranging the limiting bolt and the concave plate, the L block can be reset in time by arranging the telescopic rod and the first spring, the time and the labor are saved, and the whole practicability and the applicability are improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic main sectional view of the present invention;
FIG. 3 is an enlarged partial schematic view of the present invention;
FIG. 4 is a schematic view of the structure of the syringe of the present invention;
FIG. 5 is a schematic front view of the syringe of the present invention;
FIG. 6 is a schematic view of a partial cross-sectional structure of the syringe according to the present invention;
fig. 7 is a partial sectional view schematically showing the structure of the injection needle of the present invention.
In the figure: 1. an injector; 101. a needle cylinder; 102. an injection needle; 103. a nipple; 104. an outer tube; 105. a suction pipe; 106. a second spring; 107. a fixed collar; 108. a seal body; 109. a right end sealing ring; 110. a left end seal ring; 111. a limiting block; 112. a piston shank; 113. a piston; 114. a fingerboard; 2. a holder; 201. a holder body; 202. a fixed grab handle; 203. a card slot; 204. a clamping block; 205. l blocks; 206. a sliding handle; 207. a chute; 208. a telescopic rod; 209. a first spring; 210. a concave plate; 211. a limit bolt; 212. a square groove; 213. an air intake duct; 214. a hose; 215. a plunger; 216. a suction handle; 217. connecting blocks; 218. a fixed seat; 219. a conduit; 220. a suction cup; 221. a through hole; 222. an annular tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a needle head for a medical clinical injector comprises an injector 1 and a holder 2, the injector 1 is composed of a cylinder 101 and an injection needle head 102, the cylinder 101 is horizontally arranged in a cylinder shape, a nipple 103 is fixedly connected to the right side surface of the cylinder 101, a finger plate 114 is fixedly connected to the left end of the surface of the cylinder 101, a piston handle 112 is slidably connected to the inner wall of the cylinder 101, the injection needle head 102 is arranged on the right side surface of the cylinder 101, a piston 113 is fixedly connected to the right side surface of the piston handle 112, a sealing body 108 is arranged in the injection needle head 102, a fixing lantern ring 107 is arranged at the right end of the inner wall of the sealing body 108, an outer layer tube 104 is fixedly connected to the right end of the fixing lantern ring 107, a water suction tube 105 is arranged inside the outer layer tube 104, a limit block 111 is arranged at the center position of the surface of the water suction tube 105, a right end sealing ring 109 is arranged at the position of the water suction tube 105, and the surface of the water suction tube 105 is provided with a second spring 106, the left side surface of the second spring 106 is contacted with the right side surface of the nipple 103, the left end sealing ring 110 is arranged at the position where the left end of the surface of the water suction pipe 105 is contacted with the nipple 103, the holder 2 comprises a holder main body 201, the bottom center position of the holder main body 201 is fixedly connected with a fixed handle 202, the top center position of the holder main body 201 is provided with a clamping groove 203, the bottom of the inner wall of the clamping groove 203 is fixedly connected with a holding block 204, the inside of the holding block 204 is clamped with the finger plate 114, the top left end of the holder main body 201 is provided with a sliding groove 207, the inside of the sliding groove 207 is slidably connected with an L block 205, the bottom of the L block 205 is fixedly connected with a sliding handle 206, the right side surface of the sliding handle 206 is provided with an expansion link 208, the inside of the expansion link 208 is provided with a first spring 209, the right side surface of the expansion link 208 is connected with the left side surface of the fixed handle 202, the right side surface of the L block 205 is fixedly connected with a concave plate 210, the right side of the concave plate 210 is fixedly connected with a piston handle 112 through a limit bolt 211, the right side of the holder main body 201 is provided with a square groove 212, the right end of the inner wall of the square groove 212 is fixedly connected with an air suction pipe 213, the right end of the air suction pipe 213 penetrates through the holder main body 201 and extends to the outside of the holder main body, a plunger 215 is slidably connected in the air suction pipe 213, the left side of the plunger 215 is fixedly connected with an air suction handle 216, the right end of the top of the holder main body 201 is fixedly connected with a connecting block 217, the top of the connecting block 217 is fixedly connected with a fixing seat 218, the right side of the fixing seat 218 is fixedly connected with a pair of guide pipes 219, the right side of each guide pipe 219 is fixedly connected with a suction cup 220, a through hole 221 is formed in the center of the fixing seat 218, an annular pipe 222 is arranged inside the fixing seat 218, and the right side of the annular pipe 222 is connected with the guide pipes 219.
In the invention: the outer tube 104 and the syringe needle 102 are bonded by epoxy resin glue, and the syringe needle 102 is made of epoxy resin material, so that the overall practicability and applicability are improved.
In the invention: the suction tube 105 penetrates the sealing body 108, the fixing ring 107 and the nipple 103 in sequence, and extends to the outside thereof, and the nipple 103 and the cylinder 101 are of an integrated structure, thereby improving the suction efficiency.
In the invention: the right end of the air suction pipe 213 is connected with the annular pipe 222 through the hose 214, and the surfaces of the sliding handle 206, the fixed grab handle 202 and the suction handle 216 are all provided with rubber anti-slip layers to prevent the falling off when a user uses the air suction pipe.
In the invention: the water suction pipe 105 is in a flat head design, and the water suction pipe 105 and the outer layer pipe 104 are bonded through epoxy resin glue, so that the contact area of the water suction pipe 105 and the bottom of the bottle is increased, and liquid in the bottle is sucked cleanly.
In the invention: the water suction pipe 105 and the fixed lantern ring 107 form a telescopic structure through the second spring 106, the water suction pipe 105 and the limiting block 111 are of an integrated structure, and the water suction pipe 105 can be conveniently reset under the action of the second spring 106 after puncture.
In the invention: the plunger 215 and the air suction pipe 213 form a piston structure, and the concave plate 210 and the piston handle 112 form a fixed structure through the limiting bolt 211, so that the clamping stability is improved.
The working principle is as follows: when in use, the injection needle 102 is fixed on the nipple 103, the piston handle 112 is slid, a certain amount of physiological saline is firstly extracted, then the penicillin bottle filled with the powder medicine is taken out, the physiological saline in the needle cylinder 101 is ready to be injected, the aluminum protective cover of the bottle cap of the penicillin bottle is opened, the surface of the inner rubber plug is wiped and disinfected by 75% medical alcohol, then the injection needle 102 is ready to be punctured, at the moment, the outer pipe 104 firstly contacts the rubber plug, a user holds the injector 1 with hands to increase the force, the water suction pipe 105 slides inwards under the resistance action of the rubber plug, under the action of external force, after the water suction pipe 105 is completely contracted to enter the needle tip inclined part of the outer pipe 104, under the protection of the outer pipe 104, the force is increased by holding the injector 1 with hands to puncture the rubber plug of the penicillin bottle, after the outer pipe 104 is punctured, the resistance caused by the rubber plug disappears, under the action of the second spring 106, the water suction pipe 105 is reset, the user injects physiological saline in the injector 1 into the penicillin bottle through the water suction pipe 105, and after fully mixing the physiological saline and the medicament, sucks the mixed liquid into the injector 1 again, at the moment, because the end surface of the water suction pipe 105 and the needle tip end surface of the outer layer pipe 104 are on the same plane as the bottom of the medicament bottle, the liquid in the penicillin bottle can be completely sucked, the injector 1 is reversely taken out, the injection needle head 102 is taken out, the limit bolt 211 is screwed, the piston handle 112 is fixed in the concave plate 210, the sucker 220 is aligned to the position of a patient needing injection, the sucker handle 216 is tightly sucked in a sliding mode, then the sliding handle 206 is slid, and the injector 1 is injected into the patient, so that the working principle of the invention is completed.
The standard parts used in the application document can be purchased from the market, the specific connection mode of each part is connected by conventional means such as mature bolts, rivets, welding and the like in the prior art, machines, parts and equipment are of conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that detailed description is not given.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A needle for medical clinical syringe comprises a syringe (1) and a holder (2), and is characterized in that: the injector (1) comprises a needle cylinder (101) and an injection needle (102), the needle cylinder (101) is horizontally arranged in a cylindrical shape, the right side surface of the needle cylinder (101) is fixedly connected with a nipple (103), the left end of the surface of the needle cylinder (101) is fixedly connected with a finger plate (114), the inner wall of the needle cylinder (101) is slidably connected with a piston handle (112), the right side surface of the needle cylinder (101) is provided with the injection needle (102), the right side surface of the piston handle (112) is fixedly connected with a piston (113), the injection needle (102) is internally provided with a sealing body (108), the right end of the inner wall of the sealing body (108) is provided with a fixed lantern ring (107), the right end of the fixed lantern ring (107) is fixedly connected with an outer layer tube (104), the inner part of the outer layer tube (104) is provided with a water suction tube (105), and the surface center position of the water suction tube (105) is provided with a limiting block (111), the suction pipe (105) is provided with a right end sealing ring (109) at a position contacted with the outer layer pipe (104), the surface of the suction pipe (105) is provided with a second spring (106), the left side surface of the second spring (106) is contacted with the right side surface of the nipple (103), the left end of the surface of the suction pipe (105) is provided with a left end sealing ring (110) at a position contacted with the nipple (103), the holder (2) is internally provided with a holder main body (201), the bottom center of the holder main body (201) is fixedly connected with a fixed handle (202), the top center of the holder main body (201) is provided with a clamping groove (203), the bottom of the inner wall of the clamping groove (203) is fixedly connected with a clamping block (204), the inside of the clamping block (204) is clamped with a finger plate (114), the top left end of the holder main body (201) is provided with a sliding groove (207), and the inside of the sliding groove (207) is connected with an L block (205), the bottom of the L block (205) is fixedly connected with a sliding handle (206), the right side face of the sliding handle (206) is provided with an expansion link (208), a first spring (209) is arranged inside the expansion link (208), the right side face of the expansion link (208) is connected with the left side face of the fixed handle (202), the right side face of the L block (205) is fixedly connected with a concave plate (210), the right side face of the concave plate (210) is fixedly connected with a piston handle (112) through a limit bolt (211), the right side face of the gripper main body (201) is provided with a square groove (212), the right end of the inner wall of the square groove (212) is fixedly connected with an air suction pipe (213), the right end of the air suction pipe (213) penetrates through the gripper main body (201) and extends to the outside of the gripper main body, the air suction pipe (213) is connected with a plunger (215) in a sliding manner, and the left side face of the plunger (215) is fixedly connected with an air suction handle (216), the clamp holder comprises a clamp holder body (201), wherein a connecting block (217) is fixedly connected to the right end of the top of the clamp holder body (201), a fixed seat (218) is fixedly connected to the top of the connecting block (217), a pair of guide pipes (219) are fixedly connected to the right side face of the fixed seat (218), a sucker (220) is fixedly connected to the right side face of each guide pipe (219), a through hole (221) is formed in the center of the inside of the fixed seat (218), an annular pipe (222) is arranged inside the fixed seat (218), and the right side face of the annular pipe (222) is connected with the guide pipes (219);
the water suction pipe (105) is in a flat head design, the water suction pipe (105) and the outer layer pipe (104) are bonded through epoxy resin glue, and the end face of the water suction pipe (105) and the end face of the needle tip of the outer layer pipe (104) are in the same plane.
2. A needle for medical clinical syringe according to claim 1, characterized in that: the outer layer tube (104) and the injection needle (102) are bonded through epoxy resin glue, and the sealing body (108) is made of epoxy resin glue material.
3. The needle for medical clinical syringe according to claim 1, characterized in that: the water suction pipe (105) penetrates through the sealing body (108), the fixing ring (107) and the nipple (103) in sequence and extends to the outside of the water suction pipe, and the nipple (103) and the needle cylinder (101) are of an integrated structure.
4. A needle for medical clinical syringe according to claim 1, characterized in that: the right end of the air suction pipe (213) is connected with the annular pipe (222) through a hose (214), and rubber anti-slip layers are arranged on the surfaces of the sliding handle (206), the fixed grab handle (202) and the air suction handle (216).
5. A needle for medical clinical syringe according to claim 1, characterized in that: the water suction pipe (105) and the fixed lantern ring (107) form a telescopic structure through a second spring (106), and the water suction pipe (105) and the limiting block (111) are of an integrated structure.
6. The needle for medical clinical syringe according to claim 1, characterized in that: the plunger (215) and the air suction pipe (213) form a piston structure, and the concave plate (210) and the piston handle (112) form a fixed structure through a limiting bolt (211).
CN202110204580.6A 2021-02-24 2021-02-24 Medical clinical syringe is with using syringe needle Expired - Fee Related CN112972829B (en)

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