CN117379643A - Deoxycholic acid injection device - Google Patents
Deoxycholic acid injection device Download PDFInfo
- Publication number
- CN117379643A CN117379643A CN202311538942.0A CN202311538942A CN117379643A CN 117379643 A CN117379643 A CN 117379643A CN 202311538942 A CN202311538942 A CN 202311538942A CN 117379643 A CN117379643 A CN 117379643A
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- CN
- China
- Prior art keywords
- injection
- piston
- bottle
- clamping
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 193
- 239000007924 injection Substances 0.000 title claims abstract description 193
- 229960003964 deoxycholic acid Drugs 0.000 title claims abstract description 27
- KXGVEGMKQFWNSR-LLQZFEROSA-N deoxycholic acid Chemical compound C([C@H]1CC2)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCC(O)=O)C)[C@@]2(C)[C@@H](O)C1 KXGVEGMKQFWNSR-LLQZFEROSA-N 0.000 title claims abstract description 27
- KXGVEGMKQFWNSR-UHFFFAOYSA-N deoxycholic acid Natural products C1CC2CC(O)CCC2(C)C2C1C1CCC(C(CCC(O)=O)C)C1(C)C(O)C2 KXGVEGMKQFWNSR-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000003814 drug Substances 0.000 claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 46
- 239000011229 interlayer Substances 0.000 claims description 31
- 239000010410 layer Substances 0.000 claims description 25
- 230000000903 blocking effect Effects 0.000 claims description 18
- 239000011521 glass Substances 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000003302 ferromagnetic material Substances 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims 2
- 239000007788 liquid Substances 0.000 abstract description 52
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000003708 ampul Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010254 subcutaneous injection Methods 0.000 description 2
- 239000007929 subcutaneous injection Substances 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 102000004877 Insulin Human genes 0.000 description 1
- 108090001061 Insulin Proteins 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229940125396 insulin Drugs 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010999 medical injection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000037368 penetrate the skin Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 210000004003 subcutaneous fat Anatomy 0.000 description 1
Classifications
-
- 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
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
-
- 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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M5/2053—Media being expelled from injector by pressurised fluid or vacuum
-
- 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
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- A61M5/31546—Electrically operated dose setting, e.g. input via touch screen or plus/minus buttons
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/31566—Means improving security or handling thereof
- A61M5/31571—Means preventing accidental administration
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/3159—Dose expelling manners
- A61M5/31593—Multi-dose, i.e. individually set dose repeatedly administered from the same medicament reservoir
- A61M5/31595—Pre-defined multi-dose administration by repeated overcoming of means blocking the free advancing movement of piston rod, e.g. by tearing or de-blocking
-
- 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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/2006—Having specific accessories
Abstract
The invention relates to the field of syringes, in particular to a deoxycholic acid injection device. Comprising a medicament portion and an injection portion; the medicament portion includes a cartridge; the injection part comprises an injection tube, a folding hose, a piston and a pressurizing mechanism; the injection tube is connected with the clip-type bottle through screw threads. According to the invention, the liquid medicine in the clamp type bottle is equally divided into a plurality of equal parts through the limiting ring groove, the electromagnetic ring is powered on and off once, the piston moves forwards from the current position for one lattice, one part of liquid medicine is injected into a patient, the same-dose continuous injection is realized by powering on and off the electromagnetic ring for a plurality of times and matching with the pressurization of the pressurizing air cavity, meanwhile, the pressure of the pressurizing cavity is controlled through the adjustable pressure valve, the injection pressure is the same during each injection, the depth of each injection can be basically kept consistent, thus the continuous injection of one injection with the same dose and the same depth is basically realized, the operation is convenient, and the injection effect is good.
Description
Technical Field
The invention relates to the field of syringes, in particular to a deoxycholic acid injection device.
Background
Syringes are a common medical device, the principle is that a needle is used for extracting or injecting gas or liquid, and the appearance of the syringes is an epoch-making revolution in the field of medical devices. Deoxycholic acid injection is a cosmetic medicine for eliminating the subcutaneous fat, and is used by subcutaneous injection by using a syringe, and is generally administered in a mode of 0.2ml per part, and the injection is not more than 50 times for one treatment.
The injection of deoxycholic acid by adopting the traditional needle injector needs to be continuously operated for nearly 50 times, the operation intensity is high, the operation is complex, the injection quantity of each time is difficult to control, moreover, the needle injection can lead to fear of a patient, and a large number of pinholes at short distance can easily cause infection to influence the skin. In the related art, there is a needleless injector for subcutaneous injection, for example, chinese patent document with the authority of CN 111544706B discloses a portable needleless injector with accurate dosage, and the needleless injector is adopted for injection to relieve fear of patients and reduce pinhole infection, but the existing needleless injector is required to re-extract medicine liquid once every needle, the injection mode is sequential injection compared with the traditional needleless injector, for the treatment mode of similar deoxycholic acid requiring tens of injections, the operation is still complicated, and the medicine liquid residue in the injection tube can be caused due to various factors such as injection pressure or friction and adhesion between the medicine liquid and the injector in the injection process, so that the actual injection quantity is smaller than the expected value, and the injection effect is not ideal.
The information disclosed in the background section of this application is only for enhancement of understanding of the general background of this application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
According to the defects of the prior art, the invention provides a deoxycholic acid injection device, so as to solve the problems of complex operation and unsatisfactory injection effect of the existing injection device.
The invention relates to a deoxycholic acid injection device which adopts the following technical scheme: comprising a medicament part and an injection part;
the medicament part comprises a clamping bottle, wherein a plurality of limiting ring grooves are formed in the inner peripheral wall of the clamping bottle at equal intervals along the axial direction of the clamping bottle, and an injection hole is formed in one end of the clamping bottle;
the injection part comprises an injection tube, a folding hose, a piston and a pressurizing mechanism; the injection tube is in threaded connection with one end of the clip-type bottle, which is far away from the injection hole; one end of the folding hose is in sealing connection with the injection tube, the other end of the folding hose is in sealing connection with the electromagnetic ring, the end face of the piston, which is far away from the injection hole, is provided with a ferromagnetic material layer so as to be capable of being attracted with the electromagnetic ring after the electromagnetic ring is electrified, and a pressurizing cavity is formed inside the folding hose after the piston is attracted with the electromagnetic ring;
the piston can be arranged in the clamping bottle in a sliding manner, a clamping structure which can be matched with the limiting ring groove is arranged on the piston, and after the electromagnet ring is powered off, the piston can slide from the rear limiting ring groove to the front limiting ring groove along the clamping bottle under the action of air pressure in the pressurizing cavity; the pressurizing mechanism is arranged on the injection tube and is used for pressurizing the pressurizing chamber;
the injection tube is provided with an adjustable pressure valve and a trigger switch, the adjustable pressure valve is communicated with the pressurizing chamber and is used for controlling the air pressure of the pressurizing chamber, and the pressure of the pressurizing chamber is the same when the injection is performed each time; the trigger switch is used for controlling the on-off of the electromagnet ring.
Optionally, the clamping structure comprises an ejection plate and a pushing spring, the ejection plate can be inserted into the piston in a sliding manner along the radial direction of the piston, the ejection plate is provided with a plurality of ejection plates and is uniformly distributed along the circumferential direction of the piston, the pushing spring is connected with the ejection plate and the piston, and the ejection plate is outwards expanded by the pushing spring initially; the limiting ring groove is a bidirectional wedge groove, and a wedge surface matched with the limiting ring groove is arranged on the ejection plate.
Optionally, the medicament portion further comprises a blocking mechanism disposed inside the cartridge, the blocking mechanism configured to block the injection hole each time the piston moves from the latter to the former stop ring groove.
Optionally, an interlayer cavity is formed in the side wall of the clamping bottle, the blocking mechanism is arranged in the interlayer cavity and can act to block the injection hole under the action of air pressure in the interlayer cavity, and the blocking mechanism is reset after the interlayer cavity is depressurized;
the interlayer cavity enables the clamping bottle to be provided with an inner layer and an outer layer, the inner layer is made of transparent glass, fragile scores corresponding to the limit ring grooves one by one are arranged on the peripheral wall of the inner layer, and the fragile scores are circular arcs on the circumference.
Optionally, the plugging mechanism comprises a wedge-shaped pushing block and a sealing sliding block, the sealing sliding block is positioned at one end of the card-type bottle close to the injection hole and is inserted into the interlayer cavity in a sliding way along the radial direction of the card-type bottle, a second reset spring is arranged between the sealing sliding block and the inner wall of the interlayer cavity, the initial second reset spring drives the sealing sliding block to move in the axial direction away from the card-type bottle, a plurality of sealing sliding blocks are arranged, and the injection hole is completely plugged after the plurality of sealing sliding blocks are spliced at the axial position of the card-type bottle;
the wedge-shaped push block is positioned at one end of the clamping type bottle close to the injection hole and is inserted into the interlayer cavity in a sliding manner along the axial direction of the clamping type bottle, a first reset spring is arranged between the wedge-shaped push block and the inner wall of the interlayer cavity, the initial first reset spring drives the wedge-shaped push block to move in the direction away from the injection hole, the wedge-shaped push blocks are in one-to-one correspondence with the sealing sliding blocks, and wedge-shaped faces matched with the wedge-shaped push blocks are arranged on the sealing sliding blocks.
Optionally, the sealing slide block comprises a main body and a plug which are connected, the plug is close to the injection hole, the plug comprises a base body, the base body is triangular, and after the sealing slide block is spliced in the middle, the side surfaces of the base bodies of all the plugs are mutually adhered and encircled to form a circle to seal the injection hole.
Optionally, the sealing slide blocks are four, wherein the middle parts of two side walls of the matrix of the two plugs which are oppositely arranged are respectively provided with a convex strip, the middle parts of two side walls of the matrix of the other two plugs which are oppositely arranged are provided with grooves, the two grooves on each plug are communicated at the tip parts of the grooves, and the convex strips are positioned in the grooves after the sealing slide blocks are spliced.
Optionally, the deoxycholic acid liquid medicine injection device further comprises a drawing rod, and the drawing rod can be detachably connected with the piston.
Optionally, the deoxycholic acid liquid medicine injection device further comprises a medicine taking connector, wherein the medicine taking connector is used for connecting a medicine bottle and a clamp type bottle.
Optionally, the card formula bottle is transparent material, and the periphery wall of card formula bottle is provided with scale mark, scale mark and spacing annular one-to-one.
The beneficial effects of the invention are as follows: the deoxycholic acid injection device adopts needleless injection, so that the injection safety and the use experience of a patient are improved; the liquid medicine in the clamping bottle is equally divided into a plurality of parts through the limiting ring groove, the electromagnet ring is powered on and off once, the piston moves forwards from the current position for one time, one part of liquid medicine is injected into a patient, the same-dose continuous injection is realized through repeated powering on and off of the electromagnet ring and the pressurization of the pressurizing air cavity, meanwhile, the pressure of the pressurizing cavity is controlled through the adjustable pressure valve, the injection pressure is the same during each injection, the depth of each injection is basically kept consistent, so that one-time extraction is basically realized, continuous injection of the same dose and the same depth is realized for a plurality of times, the operation is convenient, and the injection effect is good.
Furthermore, by arranging the blocking mechanism, each time of injection, the blocking mechanism timely blocks the injection hole, and the continuous injection of the liquid medicine is avoided, so that the actual injection quantity is matched with the expected value as much as possible, and the injection precision is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art, it being understood that these drawings are not necessarily drawn to scale.
FIG. 1 is a schematic diagram showing the overall structure of a deoxycholic acid injection device of the present invention;
FIG. 2 is a front view of a deoxycholic acid injection device of the present invention;
FIG. 3 is a schematic diagram of the structure of the traditional Chinese medicine preparation part of the invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is an enlarged view of FIG. 4 at C;
FIG. 6 is a cross-sectional view taken at B-B in FIG. 3;
FIG. 7 is a schematic view of an injection part according to the present invention;
FIG. 8 is a schematic view of a piston according to the present invention;
FIG. 9 is a sectional view D-D of FIG. 8;
fig. 10 is an enlarged view of fig. 6 at E.
In the figure:
100. a medicament portion; 101. a card bottle; 102. an interlayer chamber; 103. an injection hole; 104. a limit ring groove; 105. a frangible score; 106. wedge-shaped push blocks; 107. a first return spring; 108. a sealing slide block; 109. a second return spring;
200. an injection section; 201. a pressurizing mechanism; 202. an adjustable pressure valve; 203. triggering a switch; 204. folding the hose; 205. an electromagnet ring; 206. a piston; 207. an ejector plate; 208. a pushing spring; 210. a syringe tube.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 10, a deoxycholic acid injection device provided by an embodiment of the present invention includes a medicine section 100 and an injection section 200. The medicine section 100 includes a cartridge 101, and the inner peripheral wall of the cartridge 101 is provided with a plurality of stopper ring grooves 104 at equal intervals along the axial direction thereof, and one end of the cartridge 101 is provided with an injection hole 103.
Injection portion 200 includes syringe 210, folding hose 204, plunger 206, pressurizing mechanism 201; the injection tube 210 is screwed with one end of the cartridge 101 away from the injection hole 103; one end of the folding hose 204 is in sealing connection with the injection tube 210, the other end of the folding hose is in sealing connection with the electromagnetic ring 205, a ferromagnetic material layer is arranged on the end face, away from the injection hole 103, of the piston 206 so that the folding hose can be attracted with the electromagnetic ring 205 after the electromagnetic ring 205 is electrified, the ferromagnetic material layer has strong magnetism, the piston 206 is tightly combined with the electromagnetic ring 205 after the electromagnetic ring 205 is attracted, no air leakage occurs, and a pressurizing cavity is formed inside the folding hose 204 after the piston 206 and the electromagnetic ring 205 are attracted.
The piston 206 can be slidably arranged in the snap-in bottle 101, the piston 206 is provided with a clamping structure which can be matched with the limiting ring groove 104, and after the electromagnet ring 205 is powered off, the piston 206 can slide from the latter limiting ring groove 104 to the former limiting ring groove 104 along the snap-in bottle 101 under the action of air pressure in the pressurizing cavity. The liquid medicine is held at the section between piston 206 to injection hole 103 in card bottle 101, and the liquid medicine can be directly filled when producing and accomplish, perhaps is taken by the patient by oneself, and the liquid medicine in the card bottle 101 is divided into equal a plurality of portions by spacing annular 104, and card bottle 101 adopts transparent material to make, and the periphery wall of card bottle 101 is provided with scale mark, scale mark and spacing annular 104 one-to-one, how many of liquid medicine in the card bottle 101 can be convenient through scale mark, and piston 206 moves once forward every time, can inject a portion of liquid medicine into patient's body.
The pressurizing mechanism 201 is provided in the syringe 210 and is used for pressurizing the pressurizing chamber, and the pressurizing mechanism 201 is of a conventional inflator structure, and can continuously charge gas into the folding hose 204 from the head of the syringe 210 without discharging the gas, so that the pressurizing chamber is pressurized.
The injection tube 210 is provided with an adjustable pressure valve 202 and a trigger switch 203, the adjustable pressure valve 202 is communicated with the pressurizing chamber and is used for controlling the air pressure of the pressurizing chamber, so that the air pressure of the pressurizing chamber is kept at a set value, when the air pressure in the pressurizing chamber is larger than the set value, the adjustable pressure valve 202 is automatically opened, the air in the pressurizing chamber flows out until the air pressure of the pressurizing chamber is equal to a preset value, and the set value can be adjusted and can be set to be equal to the external air pressure. The purpose of controlling the injection pressure is achieved by adjusting the adjustable pressure valve 202, and in needleless injection, the injection pressure is controlled, so that the injection depth can be controlled, wherein various triggering modes of needleless injection are controlled most easily by air pressure injection, and the pressure of the pressurizing chamber is the same when each injection is performed, so that the injection depth can be basically ensured to be approximately the same each time. The trigger switch 203 is used for controlling the on-off of the electromagnet ring 205, a connecting circuit connected with the electromagnet ring 205 is arranged in the injection tube 210, the power supply of the connecting circuit can be replaced or charged, the trigger switch 203 is a switch of the connecting circuit and used for controlling the on-off of the connecting circuit, so that the on-off of the electromagnet ring 205 is controlled, and an indicator lamp can be arranged on the injection tube 210 to conveniently judge the on-off of the electromagnet ring 205.
The invention adopts the needleless injection principle, has no needle head, and uses high pressure to instantly extrude the liquid medicine from the tiny injection hole 103, forms high-pressure and high-speed jet flow to penetrate the skin and inject the liquid medicine into the human body, and the needleless injection has the advantages of relieving the feeling of the needle of a patient, avoiding cross infection, reducing the risk of needle mouth feel infection, reducing the damage to subcutaneous nerves and the like, and is commonly used for insulin injection.
According to the invention, the liquid medicine in the card bottle 101 is equally divided into a plurality of equal parts through the limit ring groove 104, the electromagnetic ring 205 is powered on and off once, the piston 206 moves forwards from the current position by one grid (the pressurizing air cavity is formed when the power is on, the piston 206 moves when the power is off, one part of liquid medicine is injected into a patient, the electromagnetic ring 205 is powered on and off for a plurality of times and is matched with the pressurizing air cavity to pressurize, the same-dose continuous injection is realized, meanwhile, the pressure of the pressurizing cavity is controlled through the adjustable pressure valve 202, the pressure of each injection is the same, the depth of each injection can be basically kept consistent, so that one-time extraction is basically realized, the continuous injection with the same dose and the same depth is realized for a plurality of times, the operation is convenient, and the injection effect is good.
In addition, compared with the sequential injection, if the actual injection amount is smaller than the expected value due to a plurality of factors such as friction and adhesion between the liquid medicine and the injector during the injection or the injection pressure is small, the liquid medicine remains in the cassette bottle 101, so that the actual injection amount is smaller than the expected value, the continuous injection of the invention can lead the injection amount of the first needle to be smaller than the expected value, but the residual liquid medicine of the first needle can be supplemented into the second needle, and the like, the actual injection amount of the other needles is more close to the expected value except the first needle, and the compensation cannot be realized during the sequential injection, so the whole injection effect of the continuous injection is more accurate than the sequential injection of tens of needles in the treatment process.
In a further embodiment, the medicament portion 100 further comprises a blocking mechanism disposed inside the cartridge 101, the blocking mechanism being configured to block the injection hole 103 whenever the piston 206 moves from the latter limit ring groove 104 to the former limit ring groove 104, to avoid the continuous injection of the medicament liquid, to make the injection amount closer to the expected value, and to further improve the injection accuracy.
It will be appreciated that during pneumatic injection, the fluid is moved forward by the pressure. The device adopts large-capacity multiple injections, after pressure unloading, the liquid medicine can continue to move in advance due to the flowing characteristic of the liquid medicine, and in most cases, because a plurality of factors such as friction, adhesion and the like between the liquid medicine and the injector can obstruct the flowing of the liquid medicine to a certain extent, the amount of the liquid medicine injected into a patient is basically the expected amount according to various factors, if the injection pressure is too large, the situation that the actual injection amount is larger than the expected value still can exist, and after error accumulation, the injection amount deviation of each needle at the back is more and more difficult to control. On the basis of using large injection pressure and large-capacity multiple injections, the invention is provided with a blocking structure to block the injection hole 103 when the piston 206 moves in place, namely, when the liquid medicine of the expected value is injected, and directly block the liquid medicine so as to achieve the effect of enabling the actual injection quantity to coincide with the expected value as much as possible. Taking the injection 50 needle as an example, although there are still cases where the actual injection amount is smaller than the expected value due to friction, adhesion and other factors between the liquid medicine and the syringe at the time of injecting the last needle, the effect of the overall 50 needle is well controlled.
In a further embodiment, the clamping structure includes an ejector plate 207 and a pushing spring 208, the ejector plate 207 can be slidably inserted into the piston 206 along the radial direction of the piston 206, the ejector plate 207 has a plurality of ejector plates and is uniformly distributed along the circumferential direction of the piston 206, the pushing spring 208 connects the ejector plate 207 and the piston 206, and initially, the pushing spring 208 makes the ejector plate 207 expand outwards; the limiting ring groove 104 is a bidirectional wedge groove, that is, two axial end faces of the limiting ring groove 104 are wedge faces, and the ejection plate 207 is provided with wedge faces matched with the limiting ring groove 104. When the piston 206 is located between the two limiting ring grooves 104, the pushing spring 208 is extruded, the ejection plate 207 is completely retracted into the piston 206, when the piston 206 moves to correspond to one limiting ring groove 104, the ejection plate 207 is ejected and located in one limiting ring groove 104, the position of the piston 206 is temporarily locked, the piston 206 is pushed by air pressure again, under the action of a wedge surface, the ejection plate 207 is retracted into the piston 206 again from the limiting ring groove 104, and the piston 206 can continue to move.
In a further embodiment, the side wall of the card bottle 101 is provided with a sandwich chamber 102, the sandwich chamber 102 enables the card bottle 101 to have an inner layer and an outer layer, the inner layer is made of transparent glass, the outer peripheral wall of the inner layer is provided with frangible scores 105 corresponding to the limit ring grooves 104 one by one, the frangible scores 105 are circular arcs on the circumference, that is, the frangible scores 105 are arranged as small parts on the circumference, the whole circle is not satisfied, after the ejection plate 207 ejects, the ejection plate 207 corresponding to the frangible scores 105 breaks the frangible scores 105, the frangible scores 105 enter the sandwich chamber 102 after being broken, meanwhile, the space inside the inner layer is communicated with the sandwich chamber 102, and high-pressure air inside the inner layer can enter the sandwich chamber 102.
The blocking mechanism is arranged in the interlayer cavity 102, the blocking mechanism can act to block the injection hole 103 under the action of air pressure in the interlayer cavity 102, the blocking mechanism is reset after the pressure of the interlayer cavity 102 is released, the injection hole 103 is opened, the pressure release can be released from the adjustable pressure valve 202, and a manual pressure release valve can be arranged to be specially used for pressure release and is not shown in a manual pressure release valve diagram. It will be appreciated that the ejector spring 208 may be a relatively stiff spring, one of which ensures positive retention of the piston 206 and the second of which provides a relatively high instantaneous impact force on the frangible score 105 after instantaneous ejection, ensuring that the frangible score 105 can be broken. The frangible score 105 is usually used for opening an ampoule bottle during medical injection, a grinding wheel is used for repeatedly scratching the bottleneck of the ampoule bottle for a plurality of times to form scores, then the neck is knocked down or broken down by instant force, and under the condition that the method is proper and glass materials are qualified, the ampoule bottle neck can be easily taken down, and glass fragments basically do not fall.
Naturally, the whole card bottle 101 is made of transparent glass, namely the card bottle 101 is of a double-layer glass structure, so that the medicine liquid can be better protected, the anti-falling, transportation and storage angles are all good, further, the glass material can be selected to be colored transparent glass, and protective gas is filled in the interlayer cavity 102, so that the anti-falling protection performance of the card bottle 101 is further improved.
In a further embodiment, the plugging mechanism comprises a wedge-shaped pushing block 106 and a sealing slide block 108, the sealing slide block 108 is positioned at one end of the cartridge 101 close to the injection hole 103 and is inserted into the interlayer cavity 102 in a sliding manner along the radial direction of the cartridge 101, a second reset spring 109 is arranged between the sealing slide block 108 and the inner wall of the interlayer cavity 102, the initial second reset spring 109 drives the sealing slide block 108 to move in the axial direction away from the cartridge 101, the sealing slide blocks 108 are multiple, and the injection hole 103 is completely plugged after the multiple sealing slide blocks 108 are spliced at the axial position of the cartridge 101.
The wedge-shaped push blocks 106 are positioned at one end of the card-shaped bottle 101 close to the injection hole 103 and are inserted into the interlayer cavity 102 in a sliding manner along the axial direction of the card-shaped bottle 101, a first reset spring 107 is arranged between the wedge-shaped push blocks 106 and the inner wall of the interlayer cavity 102, the initial first reset spring 107 enables the wedge-shaped push blocks 106 to move away from the injection hole 103, the wedge-shaped push blocks 106 are in one-to-one correspondence with the sealing slide blocks 108, wedge-shaped faces matched with the wedge-shaped push blocks 106 are arranged on the sealing slide blocks 108, and when the wedge-shaped push blocks 106 move towards the direction close to the injection hole 103 under the action of air pressure of the interlayer cavity 102, the sealing slide blocks 108 are pushed to move towards the axial direction of the card-shaped bottle 101, and then the injection hole 103 is plugged.
In a further embodiment, the sealing slider 108 includes a main body and a plug connected to each other, the plug is close to the injection hole 103, the plug includes a base body, the base body is triangular, and after the sealing slider 108 is split towards the middle, the sides of the base body of all plugs are mutually adhered to each other to form a circle to seal the injection hole 103.
In a further embodiment, the sealing slide blocks 108 are four, wherein convex strips are respectively arranged in the middle parts of two side walls of the matrix of the two plugs which are oppositely arranged, grooves are respectively arranged in the middle parts of two side walls of the matrix of the two plugs which are oppositely arranged, the two grooves on each plug are communicated at the tip parts of the grooves, and the convex strips are positioned in the grooves after the sealing slide blocks 108 are spliced, so that the plugs are spliced, and the sealing effect is better.
In a further embodiment, the deoxycholic acid liquid medicine injection device of the present invention further includes a pull rod (not shown in the figure), where the pull rod can be detachably connected to the piston 206, and the connection manner may be magnetic connection, threaded connection, or clamping connection, for example, a threaded head may be disposed on a surface of the piston 206 facing away from the injection hole 103 in a threaded connection manner, and the pull rod matched with the piston 206 is disposed to facilitate the patient to withdraw the liquid medicine from the cassette bottle 101.
Further, the deoxycholic acid liquid medicine injection device of the present invention further comprises a medicine taking connector (not shown in the figure), wherein the medicine taking connector is used for connecting the medicine bottle and the cassette bottle 101, the medicine taking connector is similar to a specific auxiliary tool used when the traditional needleless injector extracts the liquid medicine, and the medicine taking connector is not described again, so that the patient can conveniently extract the liquid medicine into the cassette bottle 101 by himself.
In combination with the above embodiment, the application principle and working process of the invention are as follows:
in the present invention, the medicine portion 100 is a direct injection tool for medicine liquid, is disposable, and is not reusable, and the injection portion 200 is reusable. In the production process, the filling of the liquid medicine with fixed injection quantity (the quality guarantee period is short) can be completed in the card bottle 101, the liquid medicine required by the injection quantity can be automatically extracted by a patient according to the requirement, and the liquid medicine of a plurality of parts is required to be injected for one-time treatment, and the liquid medicine of a plurality of parts is extracted into the card bottle 101 corresponding to the scale mark.
The drawing rod is connected with the piston 206, meanwhile, the clamping bottle 101 is connected with the medicine bottle through the medicine taking connector, medicine liquid can be drawn into the inner layer of the clamping bottle 101 by pulling the drawing rod (the direction of the ejection plate 207 on the piston 206 needs to be paid attention to when drawing medicine liquid, the fragile nick 105 and the ejection plate 207 need to be staggered when drawing medicine liquid, the clamping bottle 101 is made of transparent materials, the direction of the ejection plate 207 can be observed through the clamping bottle 101, the self-observation adjustment can be carried out), when the piston 206 is positioned between the two limit ring grooves 104, the pushing spring 208 is compressed, the ejection plate 207 is completely positioned in the piston 206, when the ejection plate 207 on the piston 206 reaches the position of the limit ring groove 104, a user can feel obvious resistance when the ejection plate 207 is drawn, at this moment, the medicine liquid of exactly one injection quantity is drawn, then the drawing force is continued, the ejection plate 207 has a wedge surface matched with the limit ring groove 104, the ejection plate 207 can retract along the wedge surface of the limit ring groove 104, the pushing spring 208 is compressed again, the piston 206 moves, the drawing is carried out, the medicine liquid is drawn repeatedly into the inner layer, the medicine liquid is required to be drawn repeatedly, and the medicine liquid is injected repeatedly.
After the liquid medicine is extracted, the clip bottle 101 is connected with the injection tube 210 by screw threads, the clip bottle and the injection tube 210 are matched and installed, meanwhile, the orientation of the fragile nick 105 and the ejection plate 207 is overlapped, and the pressure value of the adjustable pressure valve 202 can be properly adjusted according to the condition of a patient. Then, the trigger switch 203 is pressed to connect the circuit, the electromagnet ring 205 is tightly attached to the piston 206, and the pressure in the folding hose 204 is continuously applied by the pressure mechanism 201, so that the folding hose 204 is fully expanded, when the pressure in the folding hose 204 is higher than the set value of the adjustable pressure valve 202, the gas continuously filled by the pressure mechanism 201 is discharged from the adjustable pressure valve 202, and the air pressure in the folding hose 204 is maintained at the set value of the adjustable pressure valve 202, namely the set injection air pressure.
Then the injection hole 103 is perpendicular to the injection surface, the trigger switch 203 is pressed again, the circuit is powered off instantaneously, the electromagnet ring 205 loses magnetism, the connecting force between the electromagnet ring 205 and the piston 206 disappears, the compressed high-pressure gas in the folding hose 204 instantaneously extrudes the piston 206, the movement of the piston 206 enables the liquid medicine in the inner layer to be injected under the skin of a patient through the injection hole 103, when the piston 206 moves to the next limit ring groove 104 (the initial position of the piston 206 is positioned in one limit ring groove 104), the ejector spring 208 enables the ejector plate 207 to eject instantaneously, and at the moment, unlike the moment, the ejector plate 207 is pulled out, because the fragile nick 105 is coincided with the ejector plate 207, the glass where the fragile nick 105 is positioned is scattered off from the inner layer into the interlayer cavity 102, the inner space of the inner layer is communicated with the interlayer cavity 102, the high-pressure gas in the inner layer enters the interlayer cavity 102 at the moment, the high-pressure gas partial pressure gas acts on the wedge-shaped push block 106, the first reset spring 107 is compressed, the wedge-shaped push block 106 moves, the wedge-shaped push block 106 pushes the seal slide 108 through wedge-shaped fit, the second reset spring 109 moves, and the clamp-shaped slide block 108 is stretched, the clamp-shaped reset spring 109 is pulled, the clamp axis 101 is completely, and the injection seal is blocked, and the injection hole is completely blocked, and the injection seal is completed.
After an injection, it is necessary to press for a certain period of time (injection requirement), then lift the device, release the air pressure, reset the blocking mechanism and reopen the injection hole 103. The circuit is then switched on again to tightly connect the electromagnet ring 205 with the piston 206, and the position of the piston 206 is continuously extended in the process because of the movement of the piston 206 during each injection, so that the inflation amount of the pressurizing mechanism 201 is changed each time, but under the control of the adjustable pressure valve 202, the injection air pressure used during each injection can be controlled to be the same as the air pressure used during each injection as long as the air is inflated to the adjustable pressure valve 202, and the continuous operation can be realized for a plurality of times by repeating the operation, so that the treatment process is completed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. An injection device of deoxycholic acid injection is characterized by comprising a medicament part and an injection part;
the medicament part comprises a clamping bottle, wherein a plurality of limiting ring grooves are formed in the inner peripheral wall of the clamping bottle at equal intervals along the axial direction of the clamping bottle, and an injection hole is formed in one end of the clamping bottle;
the injection part comprises an injection tube, a folding hose, a piston and a pressurizing mechanism; the injection tube is in threaded connection with one end of the clip-type bottle, which is far away from the injection hole; one end of the folding hose is in sealing connection with the injection tube, the other end of the folding hose is in sealing connection with the electromagnetic ring, the end face of the piston, which is far away from the injection hole, is provided with a ferromagnetic material layer so as to be capable of being attracted with the electromagnetic ring after the electromagnetic ring is electrified, and a pressurizing cavity is formed inside the folding hose after the piston is attracted with the electromagnetic ring;
the piston can be arranged in the clamping bottle in a sliding manner, a clamping structure which can be matched with the limiting ring groove is arranged on the piston, and after the electromagnet ring is powered off, the piston can slide from the rear limiting ring groove to the front limiting ring groove along the clamping bottle under the action of air pressure in the pressurizing cavity; the pressurizing mechanism is arranged on the injection tube and is used for pressurizing the pressurizing chamber;
the injection tube is provided with an adjustable pressure valve and a trigger switch, the adjustable pressure valve is communicated with the pressurizing chamber and is used for controlling the air pressure of the pressurizing chamber, and the pressure of the pressurizing chamber is the same when the injection is performed each time; the trigger switch is used for controlling the on-off of the electromagnet ring.
2. The deoxycholic acid injection device according to claim 1, wherein the clamping structure comprises an ejection plate and a pushing spring, the ejection plate can be inserted into the piston in a sliding manner along the radial direction of the piston, the ejection plate is provided with a plurality of ejection plates and is uniformly distributed along the circumferential direction of the piston, the pushing spring is connected with the ejection plate and the piston, and initially, the ejection plate is outwards expanded by the pushing spring; the limiting ring groove is a bidirectional wedge groove, and a wedge surface matched with the limiting ring groove is arranged on the ejection plate.
3. A deoxycholic acid injection device according to claim 2, wherein the medicament section further comprises a blocking mechanism arranged inside the cartridge, the blocking mechanism being configured to block the injection hole each time the piston moves from the latter to the former limiting ring groove.
4. A deoxycholic acid injection device according to claim 3, wherein the side wall of the cartridge bottle is provided with an interlayer cavity, the blocking mechanism is arranged in the interlayer cavity, the blocking mechanism can act to block the injection hole under the action of air pressure in the interlayer cavity, and the blocking mechanism is reset after the interlayer cavity is depressurized;
the interlayer cavity enables the clamping bottle to be provided with an inner layer and an outer layer, the inner layer is made of transparent glass, fragile scores corresponding to the limit ring grooves one by one are arranged on the peripheral wall of the inner layer, and the fragile scores are circular arcs on the circumference.
5. The deoxycholic acid injection device according to claim 4, wherein the sealing mechanism comprises a wedge-shaped pushing block and a sealing sliding block, the sealing sliding block is positioned at one end of the clamping type bottle close to the injection hole and is inserted into the interlayer cavity in a sliding manner along the radial direction of the clamping type bottle, a second reset spring is arranged between the sealing sliding block and the inner wall of the interlayer cavity, the initial second reset spring drives the sealing sliding block to move in the direction away from the axis of the clamping type bottle, a plurality of sealing sliding blocks are arranged, and the plurality of sealing sliding blocks completely seal the injection hole after being spliced at the axis of the clamping type bottle;
the wedge-shaped push block is positioned at one end of the clamping type bottle close to the injection hole and is inserted into the interlayer cavity in a sliding manner along the axial direction of the clamping type bottle, a first reset spring is arranged between the wedge-shaped push block and the inner wall of the interlayer cavity, the initial first reset spring drives the wedge-shaped push block to move in the direction away from the injection hole, the wedge-shaped push blocks are in one-to-one correspondence with the sealing sliding blocks, and wedge-shaped faces matched with the wedge-shaped push blocks are arranged on the sealing sliding blocks.
6. The deoxycholic acid injection device according to claim 5, wherein the sealing slide block comprises a main body and a plug which are connected, the plug is close to the injection hole, the plug comprises a base body, the base body is triangular, and after the sealing slide block is spliced towards the middle, the side faces of the base bodies of all the plugs are mutually adhered to form a circle to seal the injection hole.
7. The deoxycholic acid injection device according to claim 6, wherein the number of the sealing sliders is four, wherein convex strips are arranged in the middle of two side walls of the matrix in two opposite plugs, grooves are formed in the middle of two side walls of the matrix in the other two opposite plugs, the two grooves on each plug are communicated at the tips of the grooves, and the convex strips are positioned in the grooves after the sealing sliders are spliced.
8. The deoxycholic acid injection device according to claim 1, further comprising a pull rod detachably connectable to the piston.
9. The deoxycholic acid injection device of claim 1, further comprising a drug access connector for connecting the drug vial and the cartridge.
10. The deoxycholic acid injection device according to claim 1, wherein the clamp type bottle is made of transparent materials, and scale marks are arranged on the peripheral wall of the clamp type bottle and correspond to the limit ring grooves one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311538942.0A CN117379643A (en) | 2023-11-17 | 2023-11-17 | Deoxycholic acid injection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311538942.0A CN117379643A (en) | 2023-11-17 | 2023-11-17 | Deoxycholic acid injection device |
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| CN117379643A true CN117379643A (en) | 2024-01-12 |
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| CN202311538942.0A Pending CN117379643A (en) | 2023-11-17 | 2023-11-17 | Deoxycholic acid injection device |
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