CN205867230U - Hypodermic structure - Google Patents

Abstract

The utility model provides a hypodermic structure. This hypodermic structure includes: a syringe main part for saving the liquid medicine, the injection needle file, the injection needle file can be connected with the syringe main part, injection needle, injection needle install on the injection needle file, and the liquid medicine of injection needle and syringe main part storage chamber is linked together, peeling ware, peeling utensil have the skin of relative setting to paste face and injection needle file installation face, and skin is pasted the face and is used for gluing the veneer gluing skin with the skin pull -up, and the peeling ware is opened there is the injection through -hole, and skin is pasted the face and is linked together through the injection through -hole with injection needle file installation face, and the injection needle file is connected on injection needle file installation face, and injection needle passes in the injection through -hole advances hypodermics with the puncture. Use the technical scheme of the utility model, can solve injection apparatus among the prior art all can't be any time, any place any problem of accomplishing insulin hypodermic on the epidermis the patient rapidly.

Description

Subcutaneous injection structure

Technical field

This utility model relates to technical field of medical instruments, in particular it relates to a kind of subcutaneous injection structure.

Background technology

Diabetes are a kind of chronic, life-threatening disease, currently without known Therapeutic Method.It is by hyperglycemia It is characterized, the syndrome that insulin lacks relatively.Diabetes are the most irreversible, may result in multiple serious complication, bag Include coronary artery disease, peripheral vascular disease, blind and apoplexy.There are two kinds of major type of diabetes, the glycosuria of both forms Disease is likely to be of insulin secretion fault in various degree.In some cases, the feature of diabetes also includes biological cell pair Insulin resistant.

Insulin is a kind of containing 51 amino acid whose protein and peptides, because the protease in intestinal and PH can cause pancreas The degeneration of island element and decomposition, therefore exogenous insulin can not be administered orally.The route of administration of prior art insulin is mainly By subcutaneous injection, other insulin administration approach includes intravenous administration, administered intramuscular, intraperitoneal administration etc., its In, intravenous administration and administered intramuscular mainly use when acute hyperglycemia situations such as Diabetic Acute metabolism disorders, abdomen Intracavitary administration only in particular cases uses in dialysis grade.Continuous schedule, disposable subcutaneous injection of insulin are administered most convenient diabetes Clinical treatment and the self-glycemic control of patient, increasing card it was demonstrated that glycemic control bad be diabetes with secondary and Send out the development main pathogenic of disease, and the optimal prospect reducing the sickness rate of diabetes, complication and mortality rate is to accelerate The development of technology, this will provide more preferable glycemic control.The microsyringe used from cleaning and sterilizing repeatedly the earliest, last century The disposable plastic insulin syringe etc. that begins to use the seventies, the continuous innovation of the development experience of insulin injection device Process.It is faced with the puzzlement that insuline pro injection is brought, including fear every day in the process due to attention diabetics Hypoglycemic reaction and insulin dosage that syringe needle and pain, worry insulin cause are inaccurate, and injection pancreas Island element makes the poverty-stricken of the impaired grade of personal image.Although the appearance of the non-continuous formula insulin injection pen of prior art is alleviated or avoided Above-mentioned puzzlement.But in real life, yet suffer from user have to carry the big injection pen of the bodily form and in dining room The embarrassment that the public place such as bar school uses injection pen and makes personal image impaired is poverty-stricken, uses patient's what is more important The operating process of front injection pen need to be carried out in the environment of not disturbed by the public, uses the operation of front injection pen to include: to run up and down Inverted pendulum moves injection pen at least 10 times, until insulin presents uniform white suspension；Bottle stopper is sterilized, and installs pen syringe needle；Note Aerofluxus as far as possible before penetrating, until syringe needle flows out a small amount of liquid；Insulin dose needed for regulation, insulin injection；And injected Bi Hou, takes off syringe needle, makees the steps such as the correct process of safety.It addition, limited insulin injection position, such as abdominal part or big The unrestricted choice space further limiting the dress ornament of patient, place and time etc. at the positions such as leg outer side.Prior art The conventional persistence subcutaneous insulin infusion pump CSII of clinic, have passed through grinding more than company more than 30 in more than 30 year in the past System and production, along with the development of science and technology, insulin pump intrinsic functional is gradually improved, and profile also miniaturization, CSII is at micro computer Under control, according to preset dosage and employing continuing basis infusion and the secretion pattern adding dosage simulation Normal Pancreas before the meal, logical Crossing pump promotes the insulin in medicine storage to enter tube for transfusion, then by imbedding subcutaneous syringe needle input subcutaneous tissue.This give Prescription formula can simulate physiological insulin secretion pattern, has more preferable pharmacokinetics, is current intensification therapy of diabetes mellitus patients Best means, can significantly reduce and delay generation and the development of chronic complicating diseases of diabetes.Further treat the hands of diabetes Section includes that dynamic blood sugar monitoring system (cgms) use in conjunction insulin pump CSII treats diabetes.Insulin pump CSII is dynamically Blood glucose monitoring system cgms provides under a large amount of dynamic glucose concentration datas, more finely can quickly adjust insulin dosage, thus Controlling blood sugar concentration faster, the holding blood sugar concentration of 24 hours every days controls normal or close in normal range.Continue skin Lower infusion of insulin CSII and conventional repeatedly subcutaneous injection of insulin MSII is all the good method of current intensive treatment diabetes, all Blood sugar in diabetic patients can be made the most preferably to be controlled, but the former glycemic control is more good and steadily, eats especially Rear glycemic control is substantially better than the latter, and hypoglycemia is less likely to occur, but shortcoming is that the former is expensive, and expendable part takes With height, being worn on the most inconvenient, syringe needle implants and can produce antibody, causes local inflammation, catheter occlusion and insulin note Penetrating factors such as being obstructed, particularly the former is expensive, is not suitable for the diabetics that economic condition is poor.Dynamic glucose is supervised Survey more expensive, add the control implanting sensor the human body rejection that causes, monitoring system being connected with injection of insulin The problems such as technology processed the most do not efficiently solve, and are not suitable for larger scale clinical application at present.

But, injecting apparatus of the prior art all cannot at any time, any place is promptly at the epidermis of patient On any one complete subcutaneous injection of insulin.

Utility model content

The purpose of this utility model is to provide a kind of subcutaneous injection structure, it is intended to solve injecting apparatus of the prior art All cannot at any time, any place promptly complete asking of subcutaneous injection of insulin at supracutaneous any one of patient Topic.

For solving above-mentioned technical problem, the technical solution of the utility model is: provide a kind of subcutaneous injection structure, including: For storing the syringe body of medicinal liquid；Injecting needle base, injecting needle base can be connected with syringe body；Injection needle, entry needle Head is arranged on injecting needle base, and injection needle stores chamber with the medicinal liquid of syringe body and is connected；Peeling device, peeling utensil has The skin adhesive face being oppositely arranged and injecting needle base installed surface, skin adhesive face is used for pasting skin with by skin pull-up, peeling Device has injection through hole, and skin adhesive face is connected by injection through hole with injecting needle base installed surface, and injecting needle base is connected to note Penetrate on needle stand installed surface, and injection needle is through injecting through hole to puncture in subcutaneous tissue.

Alternatively, peeling device includes that connecting portion and resilient support portion, skin adhesive face and injecting needle base installed surface are respectively Two surfaces of connecting portion, the one end in resilient support portion is connected with connecting portion, the other end in resilient support portion and contact skin.

Alternatively, peeling device is bowl structure.

Alternatively, resilient support portion is oval section volute spring, and the small end of oval section volute spring is connected with connecting portion.

Alternatively, syringe body is disposable medicinal liquid delivery bag, and injecting needle base is fixing with medicinal liquid delivery bag even Connect.

Alternatively, syringe body is disposable syringe, and injecting needle base is fixing with syringe to be connected.

Alternatively, syringe body is the injection pen that can be recycled, and the connection end of injection pen is provided with external screw thread, entry needle Seat is provided with connection wall and piercing needle, connects wall and is provided with the female thread being connected with external screw thread, piercing needle and entry needle Head is connected, and piercing needle is for inserting the medicinal liquid storage intracavity of injection pen.

Alternatively, the outer surface of injecting needle base is provided with adhesive linkage, and when carrying out injection operation, adhesive linkage is pasted onto injection On needle stand installed surface.

Alternatively, subcutaneous injection structure also includes for protecting the injection needle of injection needle to protect set.

According to another aspect of the present utility model, it is provided that a kind of subcutaneous injection structure, including: for storing the note of medicinal liquid Emitter main body；Injecting needle base, injecting needle base can be connected with syringe body；Injection needle, injection needle is arranged on injecting needle base On, and the medicinal liquid of injection needle and syringe body stores chamber and is connected；Wherein, on the surface with contact skin of injecting needle base Being provided with adhesive linkage, adhesive linkage is directly and after skin adhesive, with by liquid medicine injection after skin pull-up.

In this utility model, pull-up after skin adhesive being lived by the skin adhesive face of peeling device, then by injection needle By the injection through hole of peeling device, skin is punctured into subcutaneous tissue, then the medicinal liquid stored in syringe body is carried out Subcutaneous injection.When applying this subcutaneous injection structure to carry out injecting liquid drug, due to by peeling device by skin pull-up, in subcutaneous formation Negative pressure of vacuum region, under the differential pressure action between negative pressure in atmospheric pressure and subcutaneous tissue, medicinal liquid is injected into subcutaneous automatically Tissue.Therefore, patient utilizes this subcutaneous injection structure to enter at any time, Anywhere at any one skin with it Row liquid medicine injection.

Accompanying drawing explanation

Fig. 1 is the structural representation of the first embodiment of hypodermic syringe of the present utility model；

Fig. 2 is the structural representation of the second embodiment of hypodermic syringe of the present utility model；

Fig. 3 is the structural representation of the 3rd embodiment of hypodermic syringe of the present utility model；

Fig. 4 is the sectional structure schematic diagram of the peeling device of hypodermic syringe of the present utility model；

Fig. 5 is the plan structure schematic diagram of the peeling device of Fig. 4.

In the accompanying drawings:

10, syringe body；20, injecting needle base；21, wall is connected；22, piercing needle；

23, adhesive linkage；30, injection needle；40, peeling device；41, skin adhesive face；

42, injecting needle base installed surface；43, injection through hole；401, connecting portion；

402, resilient support portion；50, injection needle protection set.

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain This utility model, is not used to limit this utility model.

It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, and it can be directly separately On one element or be connected on this another element.When an element is referred to as " being connected to " another element, and it is permissible It is directly to another element or is indirectly connected on this another element.

Also, it should be noted the orientation term such as left and right, upper and lower in the present embodiment, be only each other relative concept or With the normal operating condition of product as reference, and should not be regarded as restrictive.

As shown in Figure 1, Figure 4 and Figure 5, the subcutaneous injection structure of first embodiment of the present utility model includes syringe body 10, injecting needle base 20, injection needle 30 and peeling device 40.In this embodiment, syringe body 10 is used for storing medicinal liquid, note Penetrating needle stand 20 to be connected with syringe body 10, injection needle 30 is arranged on injecting needle base 20, and injection needle 30 and injection The medicinal liquid storage chamber of device main body 10 is connected, and peeling device 40 has the skin adhesive face 41 and injecting needle base installed surface being oppositely arranged 42, skin adhesive face 41 is used for pasting skin with by skin pull-up, and peeling device 40 has an injection through hole 43, skin adhesive face 41 with Injecting needle base installed surface 42 is connected by injection through hole 43, and injecting needle base 20 is connected on injecting needle base installed surface 42, and note Penetrate syringe needle 30 through injection through hole 43 to puncture in subcutaneous tissue.

Pull-up after skin adhesive being lived by the skin adhesive face 41 of peeling device 40, then injection needle 30 is passed through peeling Skin is punctured into subcutaneous tissue by the injection through hole 43 of device 40, then the medicinal liquid of storage in syringe body 10 is carried out skin Hemostasis.When applying this subcutaneous injection structure to carry out injecting liquid drug, due to by peeling device 40 by skin pull-up, in subcutaneous formation Negative pressure of vacuum region, under the differential pressure action between negative pressure in atmospheric pressure and subcutaneous tissue, medicinal liquid is injected into subcutaneous automatically Tissue.Therefore, patient utilizes this subcutaneous injection structure to enter at any time, Anywhere at any one skin with it Row liquid medicine injection.

Injection needle 30 directly thrusts the skin being pulled up, so without puncturing peeling device 40 after injection through hole 43 passes After insulin medicinal liquid is injected in subcutaneous relative vacuum tissue, owing to this relative vacuum tissue fat cell hypertrophy is loose, entrance Insulin medicinal liquid is dispersed in fatty tissue rapidly, can extract injection needle 30 after therefore injecting complete medicinal liquid immediately, Inject subcutaneous medicinal liquid to be oozed out by pin hole.And in the prior art, conventional subcutaneous injection is then injected close because of liquid medicine injection In the fatty tissue of collection, medicinal liquid cannot fast distribution, concentrate on and produce pressure in fatty tissue, therefore inject after complete medicinal liquid also Can not extract injection needle immediately, needing to wait at least 5-10 second just can extract injection needle, to prevent medicinal liquid from oozing out from pin hole, But a lot of patient often causes insulin fluid loss to cause blood because the reason such as impatient, careless is extracted by injection needle ahead of time Sugar is too high.Apply subcutaneous injection structure of the present utility model to be then prevented from insulin pin hole from skin to ooze out.

In the first embodiment, peeling device 40 includes connecting portion 401 and resilient support portion 402.The one of resilient support portion 402 End is connected with connecting portion 401, and skin is drawn by the other end in resilient support portion 402 and contact skin when utilizing peeling device 40 During Qiing, resilient support portion is pressed for 402 times by patient, and is pressed to and skin in the skin adhesive face 41 on connecting portion 401 Contact, then lives skin adhesive by being arranged on the adhered layer in skin adhesive face 41, then lets go, in resilient support portion 402 Elastic anchorage force effect under, skin is pulled up and forms subcutaneous negative pressure of vacuum region.Specifically, skin adhesive face 41 and injection Needle stand installed surface 42 is respectively two surfaces of connecting portion 401.

Preferably, as shown in Figure 4 and Figure 5, peeling device 40 is bowl structure, and, whole peeling device 40 is by elastomeric material The connecting portion 401 of single injection-molded, i.e. peeling device 40 is equivalent at the bottom of the bowl of bowl, and resilient support portion 402 is equivalent to bowl-type The circumferential wall of part.

In the subcutaneous injection structure of first embodiment, it is provided that another kind of feasible way of example, resilient support portion 402 is oval section volute spring, and the small end of oval section volute spring is connected with connecting portion 401.Now adjacent the two of oval section volute spring Between circle, great circle can accommodate ringlet, pressing it by under oval section volute spring, the spring line of whole oval section volute spring can be put down Be layered in same level, the skin adhesive face 42 of such connecting portion 401 can realize with contacting of skin and by skin pull-up Come.

As it is shown in figure 1, in the first embodiment, syringe body 10 is disposable medicinal liquid delivery bag, this medicinal liquid Delivery bag is made of plastic and forms, and by the effect of the pressure reduction between the negative pressure in atmospheric pressure and negative pressure of vacuum region, thus medicinal liquid is defeated The medicinal liquid in bag is sent to be more easily accomplished loading process.Injecting needle base 20 is fixing with medicinal liquid delivery bag to be connected.Utilize this skin every time After hemostasis structure injection completes medicinal liquid, just this instrument used for injection etc. is fallen as waste disposal, reduce environmental pollution.

As it is shown in figure 1, the outer surface of injecting needle base 20 is provided with adhesive linkage 23, when carrying out injection operation, adhesive linkage 23 glues It is attached to, so that injecting needle base 20 keeps stable in injection process.

In the first embodiment, subcutaneous injection structure also includes for protecting the injection needle of injection needle 30 to protect set 50.When not using this subcutaneous injection structure, injection needle protection set 50 is utilized well injection needle 30 to be protected Protect, place environmental contaminants and injection needle 30 is polluted, people's imprudence can also be placed when encountering injection needle 30 simultaneously Cause damage.

As shown in Fig. 2, Fig. 4 and Fig. 5, it illustrates the structure of the second embodiment of subcutaneous injection structure of the present utility model Schematic diagram.Compared with first embodiment, the second embodiment has following difference.Syringe body 10 is disposable Syringe, injecting needle base 20 is fixing with syringe to be connected.Utilize conventional disposable syringe as syringe body 10, thus reduce the loaded down with trivial details of the manufacturing, during liquid medicine injection, medicinal liquid is not only by atmospheric pressure and negative pressure of vacuum region Negative pressure between pressure reduction carry out liquid medicine injection, and extrude the plunger of syringe with the medicine in extruding medicinal liquid cavity by patient Liquid.Compared with first embodiment, in addition to said structure difference, remaining structure is the most identical, does not repeats them here.

As shown in Figures 3 to 5, it illustrates the structural representation of the 3rd embodiment of subcutaneous injection structure of the present utility model Figure.Compared with first embodiment, the 3rd embodiment has following difference.Syringe body 10 is the note that can be recycled Penetrating pen (injection pen is the insulin injection pen can bought on the market), the connection end of injection pen is provided with external screw thread, injecting needle base 20 are provided with connection wall 21 and piercing needle 22, connect wall 21 and are provided with the female thread being connected with external screw thread, piercing needle 22 Being connected with injection needle 30, piercing needle 22 is for inserting the medicinal liquid storage intracavity of injection pen.Apply the skin of the 3rd embodiment Hemostasis structure, on the basis of identical with existing injection pen injection system, the subcutaneous injection structure of the 3rd embodiment is also same Time make use of the pressure reduction between the negative pressure in negative pressure of vacuum region that atmospheric pressure and subcutaneous tissue formed to carry out pressure to push medicinal liquid.With First embodiment compares, and the 3rd embodiment is in addition to above-mentioned difference, and remaining structure is the most identical, does not repeats them here.

On the basis of the syringe device of prior art, applying injection principle of the present utility model, patient is at injection pancreas During the element of island, with hands by skin pull-up, thus at subcutaneous property relative vacuum tissue, then injection needle can be thrust this phase Vacuum is organized in insulin injection medicinal liquid, and certainly, such mode of operation needs the performance that operator is consummate the most permissible Complete.Or, on injecting needle base 20 surface of the syringe of prior art, one layer of cohesive material, i.e. adhesive linkage 23 are directly set, Make this cohesive material be clung by skin after injection needle (3-6mm) thrusts skin, note after being then pulled outwardly skin several millimeters Penetrate medicinal liquid, after injecting complete medicinal liquid, again skin is pulled outwardly about 10mm, until skin is pulled injecting needle base 20 surface Skin replacement after cohesive material.

Above-mentioned subcutaneous injection structural cost of the present utility model is cheap, simple to operate, can be by the table of at least the 85% of human body Skin becomes suitable for hypodermic position.

These are only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality Any amendment, equivalent and the improvement etc. made within novel spirit and principle, should be included in guarantor of the present utility model Within the scope of protecting.

Claims (10)

1. a subcutaneous injection structure, it is characterised in that including:

For storing the syringe body (10) of medicinal liquid；

Injecting needle base (20), described injecting needle base (20) can be connected with described syringe body (10)；

Injection needle (30), described injection needle (30) is arranged on described injecting needle base (20), and described injection needle (30) Store chamber with the medicinal liquid of described syringe body (10) to be connected；

Peeling device (40), described peeling device (40) has the skin adhesive face (41) and injecting needle base installed surface being oppositely arranged (42), described skin adhesive face (41) is used for pasting skin with by skin pull-up, and described peeling device (40) has injection through hole (43), described skin adhesive face (41) is connected by described injection through hole (43) with described injecting needle base installed surface (42), institute State injecting needle base (20) to be connected on described injecting needle base installed surface (42), and described injection needle (30) leads to through described injection Hole (43) is to puncture in subcutaneous tissue.

2. subcutaneous injection structure as claimed in claim 1, it is characterised in that described peeling device (40) includes connecting portion (401) It is respectively described connecting portion with resilient support portion (402), described skin adhesive face (41) and described injecting needle base installed surface (42) (401) two surfaces, one end of described resilient support portion (402) is connected with described connecting portion (401), described resilient support portion (402) the other end and contact skin.

3. subcutaneous injection structure as claimed in claim 2, it is characterised in that described peeling device (40) is bowl structure.

4. subcutaneous injection structure as claimed in claim 2, it is characterised in that described resilient support portion (402) is cone-type spiral Spring, the small end of described oval section volute spring is connected with described connecting portion (401).

5. subcutaneous injection structure as claimed in claim 1, it is characterised in that described syringe body (10) is single use Medicinal liquid delivery bag, described injecting needle base (20) and described medicinal liquid delivery bag are fixing to be connected.

6. subcutaneous injection structure as claimed in claim 1, it is characterised in that described syringe body (10) is single use Syringe, described injecting needle base (20) and described syringe are fixing to be connected.

7. subcutaneous injection structure as claimed in claim 1, it is characterised in that described syringe body (10) is for can be recycled Injection pen, the connection end of described injection pen is provided with external screw thread, and described injecting needle base (20) is provided with connection wall (21) and puncture needle Head (22), described connection wall (21) is provided with the female thread being connected with described external screw thread, described piercing needle (22) and institute Stating injection needle (30) to be connected, described piercing needle (22) is for inserting the medicinal liquid storage intracavity of described injection pen.

8. the subcutaneous injection structure as according to any one of claim 1 to 7, it is characterised in that described injecting needle base (20) Outer surface is provided with adhesive linkage (23), and when carrying out injection operation, described adhesive linkage (23) is pasted onto described injecting needle base installed surface (42) on.

9. the subcutaneous injection structure as according to any one of claim 1 to 7, it is characterised in that described subcutaneous injection structure is also Including for protecting the injection needle of described injection needle (30) to protect set (50).

10. a subcutaneous injection structure, it is characterised in that including:

For storing the syringe body (10) of medicinal liquid；

Injecting needle base (20), described injecting needle base (20) can be connected with described syringe body (10)；

Injection needle (30), described injection needle (30) is arranged on described injecting needle base (20), and described injection needle (30) Store chamber with the medicinal liquid of described syringe body (10) to be connected；

Wherein, the surface with contact skin of described injecting needle base (20) is provided with adhesive linkage (23), and described adhesive linkage (23) is straight Connect with skin adhesive after, with by liquid medicine injection after skin pull-up.