CN211751513U - Medicament injector and injection device for intramuscular injection - Google Patents
Medicament injector and injection device for intramuscular injection Download PDFInfo
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- CN211751513U CN211751513U CN201921284069.6U CN201921284069U CN211751513U CN 211751513 U CN211751513 U CN 211751513U CN 201921284069 U CN201921284069 U CN 201921284069U CN 211751513 U CN211751513 U CN 211751513U
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- medicament
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Abstract
The utility model provides a medicament syringe and injection apparatus for intramuscular injection. Wherein, the medicament syringe includes: a medicine storage bin, a transfusion needle, an adhesive sheet, an elastic piece and an operation part; the medicine storage bin and the sticking sheet are oppositely arranged; the liquid inlet end of the transfusion needle is abutted against the bottom surface of the medicine storage bin, and the liquid outlet end of the transfusion needle is abutted against the top surface of the adhesive sheet; the elastic piece is sleeved outside the infusion needle, and two ends of the elastic piece are respectively abutted against the bottom surface of the medicine storage bin and the top surface of the adhesive sheet; the operation part is used for driving the medicine storage bin to compress the elastic piece so that the liquid inlet end of the infusion needle penetrates through the bottom surface of the medicine storage bin to enter the medicine storage bin and the liquid outlet end of the infusion needle penetrates through the adhesive sheet. The medicament injector and the injection device of the utility model have simple and rapid operation and shorten the time for drug delivery and rescue. And after the administration is finished, the compressed elastic part extends, the infusion needle is retracted between the liquid storage bin and the adhesive sheet, so that the injury of cleaning personnel caused by pricking is avoided, and the recovery is safer.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a medicament syringe and injection device for intramuscular injection.
Background
For critical patients, emergency drugs need to be injected quickly for rescue, such as asthma acute attack, anaphylactic shock and the like, the patients need to be injected with adrenaline timely, the conditions of dizziness, fainting or loss of consciousness caused by anaphylactic shock are improved, meanwhile, the trachea muscles are relaxed, the throat swelling is reduced, and the breathing of the patients is improved.
The syringes widely used in the medical field are mainly disposable glass syringes or plastic syringes. When in use, the medical staff takes out the ampoule bottle with the medicament, then uses the tweezers to knock off the neck of the ampoule bottle, takes out the needle tube, presses the needle head, inserts into the ampoule bottle, exhausts the air after extracting the liquid medicine, and then carries out injection.
However, four steps of needle installation, liquid medicine preparation, liquid medicine extraction and liquid medicine injection are needed for medicine injection, the series of actions are complex, the operation steps are complicated, the time is long, the rescue time is delayed, and glass particles generated by beating the ampoule pollute the liquid medicine and hurt the human body.
SUMMERY OF THE UTILITY MODEL
The utility model provides a medicament syringe and injection apparatus for intramuscular injection to solve current injection mode operating procedure comparatively loaded down with trivial details, the time is longer, has delayed the rescue time, and beat the ampoule and produce some glass particles and pollute the liquid medicine, produce the technical problem of injury to the people.
The utility model discloses a first aspect provides a medicament syringe for intramuscular injection, it includes: a medicine storage bin, a transfusion needle, an adhesive sheet, an elastic piece and an operation part;
the medicine storage bin and the adhesive sheet are oppositely arranged;
the liquid inlet end of the infusion needle is abutted against the bottom surface of the medicine storage bin, and the liquid outlet end of the infusion needle is abutted against the top surface of the adhesive sheet;
the elastic piece is sleeved outside the infusion needle, and two ends of the elastic piece are respectively abutted against the bottom surface of the medicine storage bin and the top surface of the adhesive sheet;
the operation portion is used for driving the medicine storage bin to compress the elastic piece, so that the liquid inlet end of the infusion needle pierces through the bottom surface of the medicine storage bin enters the medicine storage bin and enables the liquid outlet end of the infusion needle to pierce through the adhesive sheet.
Compared with the prior art, the utility model provides a medicament syringe has following advantage:
the utility model discloses the medicament syringe that the first aspect provided utilizes the sticker to paste at patient's skin, presses the operation portion to make stock solution storehouse compression elastic component, make the play liquid end of transfusion needle pierce through patient's skin and make the feed liquor end of transfusion needle pierce through the bottom surface in stock solution storehouse, thereby the liquid medicine in the stock solution storehouse gets into the patient through the transfusion needle internal, easy operation, rapidly, shortens the rescue time of dosing. And after the administration is finished, the compressed elastic part extends, the infusion needle is retracted between the liquid storage bin and the adhesive sheet, so that the injury of cleaning personnel caused by pricking is avoided, and the recovery is safer.
As an improvement of the above-mentioned medicament injector of the present invention, the medicament injector further comprises a protective housing, the protective housing is covered on the top surface of the adhesive sheet, and an airtight space is formed between the protective housing and the adhesive sheet, the medicament storage bin, the elastic member and the infusion needle are accommodated in the airtight space; the operating part penetrates through the protective shell and abuts against the top surface of the medicine storage bin.
As an improvement of the medicament injector of the present invention, the inner wall of the protective housing is provided with a light shielding layer.
As an improvement of the above medicament injector of the present invention, the operation part includes an infusion button, the bottom of the infusion button is abutted against the top surface of the medicament storage bin, and the top of the infusion button is worn out of the protective housing.
As an improvement of the above-mentioned medicament injector of the present invention, the infusion button is of a conical structure, the small diameter end of the conical structure is connected with the top end of the medicament storage bin, the large diameter end of the conical structure is worn out the outside of the protective housing, and the end face of the large diameter end is a reverse direction away from the convex arc face of the small diameter end.
As an improvement of the above medicament injector of the present invention, the operation portion further includes a handle disposed on the protective housing.
As an improvement of the above medicament injector of the present invention, the elastic member is a spring.
As an improvement of the medicament injector of the utility model, the plurality of infusion needles are uniformly distributed on the bottom surface of the medicament storage bin; the elastic parts are multiple, and one elastic part is sleeved on the outer side of each infusion needle.
A second aspect of the present invention provides an injection device, comprising a rigid housing and a medicament injector, wherein the adhesive sheet of the medicament injector is adhered to the inner wall of the rigid housing.
The second aspect of the present invention provides an injection device, which comprises the medicament injector of the first aspect, and therefore the second aspect of the present invention provides an injection device having the same advantages as the medicament injector of the first aspect.
As an improvement of the above injection device of the present invention, a protection plate is provided on the inner wall of the rigid housing, the protection plate is bonded to the bottom surface of the patch.
In addition to the technical problems, technical features constituting technical aspects, and advantageous effects brought by the technical features of the technical aspects described above, other technical problems that the present invention can solve, other technical features included in the technical aspects, and advantageous effects brought by the technical features of the present invention will be described in further detail in embodiments.
Drawings
The above and other objects, features and advantages of the embodiments of the present invention will become more readily understood from the following detailed description with reference to the accompanying drawings. Embodiments of the invention will be described, by way of example and not by way of limitation, in the accompanying drawings, in which:
fig. 1 is a schematic structural view of a medicament injector according to an embodiment of the present invention.
Description of reference numerals:
10: a medicine storage bin;
20: an infusion needle;
30: a sticker;
40: an elastic member;
50: a protective shell;
51: lifting a handle;
52: sealing the space;
60: a transfusion button;
70: a protection plate;
80: a rigid housing.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Fig. 1 is a schematic structural view of a medicament injector according to an embodiment of the present invention.
Referring to fig. 1, the embodiment of the present invention further provides a medicament injector, which includes: the medicine storage bin 10 is arranged opposite to the adhesive sheet 30, the liquid inlet end of the infusion needle 20 is abutted against the bottom surface of the medicine storage bin 10, and the liquid outlet end of the infusion needle 20 is abutted against the top surface of the adhesive sheet 30; the elastic piece 40 is sleeved outside the infusion needle 20, and two ends of the elastic piece 40 are respectively abutted against the bottom surface of the medicine storage bin 10 and the top surface of the adhesive sheet 30; the operation part is used for driving the medicine storage bin 10 to compress the elastic piece 40, so that the liquid inlet end of the infusion needle 20 penetrates through the bottom surface of the medicine storage bin 10 to enter the medicine storage bin 10, and the liquid outlet end of the infusion needle 20 penetrates through the adhesive patch 30.
Wherein, storage medicine storehouse 10 can be cylindrical structure, and it includes cylindrical barrel, sets up the diapire in cylindrical barrel bottom and sets up the roof on cylindrical barrel top, and cylindrical barrel, diapire and roof are integrated into one piece of integrated into one piece. The bottom wall can be provided with a weak area, and when the medicament injector is used, the liquid inlet end of the infusion needle 20 pierces the weak area of the bottom wall, so that the liquid medicine in the medicine storage bin 10 is communicated with the infusion needle 20. Or, the bottom surface of diapire is provided with spacing ring, and the thickness of the interior diapire of spacing ring is less than the thickness of the outer diapire of spacing ring, and the top of transfusion needle 20 is located spacing ring, both can restrict transfusion needle 20 and rock, and the diapire can also be impaled to the top of transfusion needle 20, with the liquid medicine intercommunication in storage bin 10. Of course, the medicine storage bin 10 may also be of other structures such as a rectangular parallelepiped structure, and the embodiment of the present invention is not limited herein. It should be noted that for some medications that require protection from light, such as epinephrine, the cartridge 10 may be an opaque structure. The medicine storage bin 10 is vacuum-packed, so that contact between epinephrine medicaments and air and the like is avoided, and safety of the medicaments is ensured.
The butt is connected with the diapire bottom surface in storage medicine storehouse 10 to the top feed liquor end of transfusion needle 20, presses the operation portion, makes storage medicine storehouse 10 compression elastic component 40 for the diapire that pierces through storage medicine storehouse 10 is stabbed to the top of transfusion needle 20, and the liquid medicine in storage medicine storehouse 10 can get into the patient internally through transfusion needle 20. Infusion needle 20 can set up one, or, infusion needle 20 also can set up a plurality ofly, for example, infusion needle 20 is provided with two, three, four etc. and a plurality of infusion needles 20 are in the diapire bottom surface equipartition in storage bin 10, and is corresponding, and elastic component 40 is a plurality of, all overlaps in the outside of every infusion needle 20 and establishes an elastic component 40, promptly, the quantity of elastic component 40 and the quantity one-to-one of infusion needle 20. The embodiment of the utility model does not limit the quantity of the transfusion needles 20 and the elastic pieces 40. Illustratively, the infusion needles 20 are arranged in three numbers, the three infusion needles 20 are uniformly arranged at intervals along the length direction of the rectangular drug storage bin, and an elastic part 20 is sleeved on the outer side of each infusion needle 20.
The adhesive patch 30 can facilitate the patient or the medical staff to fix the medical injector provided in this embodiment to the injection site of the patient. For example, under the spiritual state of patient's mania, adopt current syringe injection tranquilization medicament, need other medical personnel to restrict, can inject the medicament, adopt this medicament syringe that uses the novel embodiment to provide, directly will paste the medicament syringe at the position that the patient waited to inject through adhesion patch 30, effectively avoid the syringe to remove, the injury that leads to the fact the patient. Meanwhile, the adhesive sheet 30 can also protect the needle head, so that the needle head is prevented from being polluted and the needle head is prevented from injuring medical care personnel or patients. In a preferred embodiment, the adhesive sheet 30 is an allergy-free adhesive sheet, and it is prevented that allergy to the adhesive sheet 30 causes other symptoms.
The elastic member 40 is sleeved on the outer side of the infusion needle 20, the top end of the elastic member 40 is abutted against the bottom surface of the medicine storage bin 10, and the bottom end of the elastic member 40 is abutted against the top surface of the adhesive sheet 30. The elastic member 40 may be a rubber sleeve, and the elastic member 40 may also be a cylindrical spring, which is not limited herein. In a preferred embodiment, the elastic member 40 is a spring. It can be understood that, when a plurality of infusion needles 20 are provided, a plurality of elastic members 40 are also provided, and the number of elastic members 40 is the same as the number of infusion needles 20, that is, one elastic member 40 is sleeved outside each infusion needle 20.
The operating portion may comprise an operating button disposed at the top of the cartridge 10, or the operating button and the cartridge 10 may be integrally formed as a single piece, forming the operating portion. The medical staff or the patient presses the operation part to apply pressure to the medicine cartridge 10.
Adrenaline is a hormone secreted by the adrenal gland of humans, which stimulates alpha and beta receptors of adrenaline, which stimulates alpha receptors of airway adrenal glands leading to constriction of mucosal blood vessels, reduction of submucosal edema, stimulation of beta receptors of adrenaline, and dilation of smooth muscle of bronchoconstriction. Adrenalin is not used only for cardiac arrest, cardiopulmonary resuscitation, and epidermal bleeding, among others.
Epinephrine may be used to rescue an asthma attack. Adrenalin can increase blood pressure, improve dizziness, faint or loss of consciousness caused by anaphylactic shock, relax tracheal muscles, reduce swelling of throat, and improve breath of patients. Meanwhile, epinephrine can also be used for rescuing anaphylactic shock, which is a systemic allergic reaction caused by acute blood pressure reduction and insufficient systemic circulation perfusion due to human body allergy to certain drugs or biological agents such as immune serum and the like. Adrenalin is an anti-shock vasoactive drug and is the first choice drug for rescuing anaphylactic shock. It can activate a1 receptor, contract small artery and capillary sphincter, reduce the permeability of the latter, activate B receptor, improve heart function, relieve bronchospasm, reduce release of allergic medium, and dilate coronary artery, so as to rapidly relieve the clinical symptoms of anaphylactic shock and save the life of patients.
The following description will be given of the use of the medicament injector provided by the embodiment of the present invention, taking adrenalin injection as an example:
when the medical transfusion device is used, the adhesive sheet 30 is firstly adhered to a to-be-injected part of a patient, then the operation part is pressed, the medicine storage bin 10 compresses the elastic part 40, external force is transmitted to the transfusion needle 20 through the medicine storage bin 10, so that the liquid outlet end of the transfusion needle 20 pierces the adhesive sheet 30 and punctures the liquid outlet end of the transfusion needle 20 into the skin of the patient, then the liquid inlet end of the transfusion needle 20 pierces the bottom surface of the medicine storage bin 10, and epinephrine liquid medicine in the medicine storage bin 10 enters the body of the patient through the transfusion needle, so that the life of the patient is saved. Furthermore, the embodiment of the utility model provides a medicament injector only needs paste to skin, presses the operation portion and can accomplish the injection, and the process is simple, the injection time is short. The patient can inject by oneself, shorten the administration time, the patient's self-rescue of being convenient for. In addition, for extracting the liquid medicine in the current follow ann cuts open the bottle, the embodiment of the utility model provides a medicament syringe's liquid medicine is saved in stock solution storehouse 10 in advance, and the medicament volume is accurate.
After the injection is completed, the adhesive patch 30 is placed next to the skin of the patient into a medical trash can. The elastic component 40 is under the state that does not have external force to exert pressure, and the elastic component 40 extension, infusion needle 20 withdraw between sticker 30 and stock solution storehouse 10, when can avoiding the cleanup crew to clear up medical waste, are pricked by infusion needle 20 and cause the injury, retrieve safelyr.
It can be understood by those skilled in the art that, when the medical injector provided by the embodiment of the present invention is used for injection, the liquid outlet end of the infusion needle 20 firstly pierces the adhesive sheet 30, and then pierces the skin of the patient, and the liquid inlet end of the infusion needle 20 pierces the bottom surface of the drug storage bin 10, so that the liquid drug in the drug storage bin 10 can enter the body of the patient through the infusion needle 20. Wherein, the resistance of the liquid inlet end of the transfusion needle 20 to pierce the bottom surface of the medicine storage bin 10 is greater than the resistance of the liquid outlet end of the transfusion needle 20 to pierce the adhesive patch 30, so the liquid outlet end of the transfusion needle 20 firstly pierces the adhesive patch; the resistance of the liquid inlet end of the infusion needle 20 penetrating through the bottom surface of the medicine storage bin 10 is greater than the resistance of the liquid outlet end of the infusion needle 20 penetrating into the skin of the patient, so that the liquid outlet end of the infusion needle 20 penetrates into the skin of the patient; and the resistance that the liquid outlet end of the transfusion needle 20 receives in the skin of the patient is greater than the resistance that the liquid inlet end of the transfusion needle 20 pierces the bottom surface of the medicine storage bin 10, so the liquid inlet end of the transfusion needle 20 pierces the bottom surface of the medicine storage bin 10 at last, the liquid inlet end of the transfusion needle 20 can be located in the medicine storage bin 10, and the medicament in the medicine storage bin 10 enters the body of the patient through the transfusion needle 20. For example, the cartridge 10 is a polypropylene housing and the patch 30 is a medical adhesive patch.
It should be noted that the medicament injector provided by the embodiment of the present invention not only can be used for injecting epinephrine, but also can be used for injecting other medicines. For example, in war or emergency, the wounded may be in the state of wound pain, anxiety and uneasiness, unmanned rescue, environmental pollution, at this moment, the wounded can inject medicine such as pain-relieving through muscle, and the use is convenient and fast.
The embodiment of the utility model provides a medicament syringe utilizes the sticker to paste at patient's skin, presses down stock solution storehouse compression elastic component for the stock solution storehouse is punctured when the infusion needle is pricked into patient's skin, thereby the liquid medicine in the stock solution storehouse gets into the patient internal through the infusion needle, easy operation, rapidly, shortens the rescue time of dosing. And after the administration is finished, the compressed elastic part extends, the infusion needle is retracted between the liquid storage bin and the adhesive sheet, so that the injury of cleaning personnel caused by pricking is avoided, and the recovery is safer.
On the basis of the above embodiment, the medicament injector provided by the embodiment of the present invention further includes a protective casing 50, the protective casing 50 covers the top surface of the adhesive sheet 30, an airtight space 52 is formed between the protective casing 50 and the adhesive sheet 30, and the medicament storage bin 10, the elastic member 40 and the infusion needle 20 are accommodated in the airtight space 52; the operation part penetrates through the protective shell 50 and abuts against the top surface of the medicine storage bin 10.
Specifically, the protective case 50 covers the top surface of the adhesive patch 30, and the protective case 50 may be adhered to the adhesive patch 30. Protective housing 50 can be semi-circular casing, and protective housing 50 also can be arc casing, and protective housing 50 can also be rectangle casing etc. the embodiment of the utility model provides a do not limit to protective housing 50's shape. As a preferred embodiment of the shape of the protective case 50, the protective case 50 is an arc-shaped case. In order to increase the reliability of protection, the edge of the top surface of the rectangular liquid storage bin is abutted against the arc-shaped shell.
An airtight space 52 is formed between the protective shell 50 and the adhesive patch 30, and the medicine storage bin 10, the elastic member 40 and the infusion needle 20 are accommodated in the airtight space 52. The sealed space 52 is vacuum-sterilized, and can prevent moisture while preventing contact between the drug and air, thereby ensuring stability and activity of the drug solution.
The inner wall of the protective shell 50 is provided with a light shielding layer to provide a dark environment for the liquid medicine in the liquid storage bin 10, thereby ensuring the stability of the liquid medicine. Wherein, light-resistant layer can be light-resistant paper, and light-resistant paper pastes at the inner wall of protective housing 50, and light-resistant layer also can plate rete on the 50 inner walls of protective housing, the embodiment of the utility model provides a do not limit to the concrete structure of light-resistant layer.
The operating portion passes protective housing 50 and supports the top of storing up medicine storehouse 10, and the part of operating portion is located protective housing 50 promptly, and the top surface butt of the part that is located protective housing 50 and storing up medicine storehouse 10, and another part of operating portion is located protective housing 50's the outside, and the part that is located the protective housing 50 outside makes things convenient for medical personnel or patient to operate.
In order to press the medicine storage bin 10 conveniently, the operating part comprises an infusion button 60, the bottom end of the infusion button 60 is abutted against the top surface of the medicine storage bin 10, and the top end of the infusion button 60 penetrates out of the protective shell 50.
The infusion button 60 can be a rectangular structure, the infusion button 60 can also be a cylindrical structure, and preferably, the infusion button 60 is a conical structure, the small-diameter end of the conical structure is connected with the top end of the medicine storage bin 10, and the large-diameter end of the conical structure penetrates out of the outer side of the protective shell 50 to form a convex cambered surface.
Referring specifically to fig. 1, the infusion button 60 has a tapered structure, wherein a small diameter end of the tapered structure is in contact with the top end of the drug storage bin 10, facilitating the transmission of force. The major diameter end of the conical structure penetrates out of the protective shell 50, and the end face of the major diameter end is an arc face which is back to the small diameter end and protrudes, so that a user can press the protective shell conveniently. Of course, the infusion button 60 may have other shapes, which is not limited in the embodiment of the present invention.
In order to facilitate taking of the medical injector, the operation portion further includes a handle provided on the protective case 50. The embodiment of the utility model provides a do not limit to the concrete structure of carrying the handle
With continued reference to fig. 1, embodiments of the present invention further provide an injection device comprising a rigid housing 80 and a medicament injector, wherein the adhesive patch 30 of the medicament injector is adhered to the inner wall of the rigid housing 80.
Specifically, the medicament injector comprises a medicament storage bin 10, an infusion needle 20, an adhesive patch 30, an elastic part 40 and an operation part, wherein the medicament storage bin 10 is arranged opposite to the adhesive patch 30, the liquid inlet end of the infusion needle 20 is abutted against the bottom surface of the medicament storage bin 10, and the liquid outlet end of the infusion needle 20 is abutted against the top surface of the adhesive patch 30; the elastic piece 40 is sleeved outside the infusion needle 20, and two ends of the elastic piece 40 are respectively abutted against the bottom surface of the medicine storage bin 10 and the top surface of the adhesive sheet 30; the operation part is used for driving the medicine storage bin 10 to compress the elastic piece 40, so that the liquid inlet end of the infusion needle 20 penetrates through the bottom surface of the medicine storage bin 10 to enter the medicine storage bin 10, and the liquid outlet end of the infusion needle 20 penetrates through the adhesive patch 30. The structure, function and effect of the medicine injector provided in this embodiment are the same as those of the above embodiment, and specific reference may be made to the above embodiment, which is not described herein again.
The rigid housing 80 is used to protect the syringe from damage and contamination, and may be a rectangular structure, a cylindrical structure, etc., and the embodiment of the present invention does not limit the scope of the present invention. The rigid housing 80 may be a carton, plastic box, or the like, without limitation.
In order to prevent the medical syringe from being broken by shaking in the rigid case 80, the adhesive sheet 30 of the medical syringe is adhered to the inner wall of the rigid case 80.
When the injection device is used specifically, a patient or medical staff detaches the rigid shell 80, operates the lifting handle 51 to separate the adhesive sheet 30 from the inner wall of the rigid shell 80, and then attaches the adhesive sheet 30 to a position to be injected of the patient for injection, so that the operation is simple and quick.
The utility model provides an injection device, because it includes above-mentioned embodiment medicament syringe, consequently the utility model provides an injection device also has the same advantage with medicament syringe, is not being repeated here.
Further, a protective plate 70 is provided on the inner wall of the rigid housing 80, and the protective plate 70 is bonded to the bottom surface of the adhesive sheet 30.
The protection plate 70 may be a hard plate having a certain hardness, and the top surface thereof is bonded to the sticker 30, thereby protecting the sticker 30 from moisture and protecting the infusion needle 20. The protective plate 70 may also be an opaque plate, so that the inside of the protective case 50 is a dark environment.
The bottom surface of the protection plate 70 is fixedly connected with the inner wall of the rigid casing 80, for example, the bottom surface of the protection plate 70 is provided with a clamping protrusion, the inner wall of the rigid casing 80 is provided with a clamping groove, and the protection plate 70 is fixed in the rigid casing 80 by the clamping of the clamping protrusion and the clamping groove. Of course, the protection plate 70 and the rigid casing 80 may be fixedly connected by other means, which is not limited herein.
The edge of the protection plate 70 may be further provided with a fixing ring, wherein the fixing ring abuts against the bottom end of the protection shell 50, further sealing the protection shell 50, and ensuring the sealing property and vacuum property of the sealed space 52.
Finally, it should be noted that the embodiment of the present invention provides an injection device, in which the drug storage bin 10, the infusion needle 20, the adhesive sheet 30, the elastic member 40, the protective casing 50, the handle 51, the infusion button 60, the protective plate 70 and the rigid casing 80 are made of degradable materials, and are degradable in natural environment without causing harm to environment.
In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A medicament injector for intramuscular injection, comprising: a medicine storage bin, a transfusion needle, an adhesive sheet, an elastic piece and an operation part;
the medicine storage bin and the adhesive sheet are oppositely arranged;
the liquid inlet end of the infusion needle is abutted against the bottom surface of the medicine storage bin, and the liquid outlet end of the infusion needle is abutted against the top surface of the adhesive sheet;
the elastic piece is sleeved outside the infusion needle, and two ends of the elastic piece are respectively abutted against the bottom surface of the medicine storage bin and the top surface of the adhesive sheet;
the operation portion is used for driving the medicine storage bin to compress the elastic piece, so that the liquid inlet end of the infusion needle pierces through the bottom surface of the medicine storage bin enters the medicine storage bin and enables the liquid outlet end of the infusion needle to pierce through the adhesive sheet.
2. The medicament injector according to claim 1, further comprising a protective shell, wherein the protective shell covers the top surface of the adhesive patch, a closed space is formed between the protective shell and the adhesive patch, and the medicament storage bin, the elastic member and the infusion needle are accommodated in the closed space;
the operating part penetrates through the protective shell and abuts against the top surface of the medicine storage bin.
3. The medicament injector of claim 2, wherein the inner wall of the protective shell is provided with a light shielding layer.
4. The medication injector of claim 2, wherein the operating portion comprises an infusion button, a bottom end of the infusion button abuts a top surface of the medication storage bin, and a top end of the infusion button protrudes through the protective housing.
5. The drug injector of claim 4, wherein the infusion button is of a conical structure, the small diameter end of the conical structure is connected with the top end of the drug storage bin, the large diameter end of the conical structure penetrates out of the protective shell, and the end face of the large diameter end is an arc face protruding away from the small diameter end.
6. The medicament injector of claim 2, wherein the operating portion further comprises a lifting handle disposed on the protective shell.
7. The medicament injector of any of claims 1-6, wherein the resilient member is a spring.
8. The medicament injector of any one of claims 1-6, wherein the infusion needle is provided in plurality, and the infusion needles are uniformly distributed on the bottom surface of the medicament storage bin;
the elastic parts are multiple, and one elastic part is sleeved on the outer side of each infusion needle.
9. An injection device comprising a rigid housing and a medicament injector for intramuscular injection according to any of claims 1 to 8, the adhesive patch of the medicament injector being adhered to the inner wall of the rigid housing.
10. An injection device according to claim 9, wherein a protective plate is provided on the inner wall of the rigid housing, said protective plate being adhered to the bottom surface of the wafer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921284069.6U CN211751513U (en) | 2019-08-09 | 2019-08-09 | Medicament injector and injection device for intramuscular injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921284069.6U CN211751513U (en) | 2019-08-09 | 2019-08-09 | Medicament injector and injection device for intramuscular injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211751513U true CN211751513U (en) | 2020-10-27 |
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ID=72905993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921284069.6U Active CN211751513U (en) | 2019-08-09 | 2019-08-09 | Medicament injector and injection device for intramuscular injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211751513U (en) |
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2019
- 2019-08-09 CN CN201921284069.6U patent/CN211751513U/en active Active
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Address after: 100176 1903, 16th floor, building 2, No.8 yard, Ronghua Middle Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: Beijing Siyuan Medical Technology Co.,Ltd. Address before: 100176 A6, ground floor, building 22, wuliyi District, tianbaoyuan, Daxing District, Beijing Patentee before: Beijing Siyuan Technology Co.,Ltd. |