CN208464843U - A kind of minimally invasive tumor therapeutic agent syringe - Google Patents

Abstract

The utility model discloses a kind of minimally invasive tumor therapeutic agent syringes, including shell, front end rubber plug, end rubber plug and injecting needle base, the front end of the shell is provided with helmet, and the inside of helmet is equipped with shield pincushion, the casing ends edge is fixed with sealing ring, and interior of shell is provided with medicinal liquid cavity, the front end rubber plug and end rubber plug are separately mounted to the surface of medicinal liquid cavity, and the inside of medicinal liquid cavity is fixed with push rod, the front end of the push rod is equipped with piston, the front-end surface of medicinal liquid cavity is arranged in the injecting needle base, and the inside of injecting needle base is fixed with injection needle.The minimally invasive tumor therapeutic agent syringe, the discomfort of patient caused by pain and bleeding can be mitigated, simultaneously when microjet penetrates into skin, minimize the injection loss late under skin, absorption area is bigger, drug effect is fast, scleroma will not be played, probably needle phenomenon is avoided, minimally-invasive treatment convalescence shortens, without relying on the skin characteristic of individual, so that it may which the liquid of even amount is sent to uniform depth.

Description

A kind of minimally invasive tumor therapeutic agent syringe

Technical field

The utility model relates to medication injector technical field, specially a kind of minimally invasive tumor therapeutic agent syringe.

Background technique

For medication injector currently on the market there is following many obvious shortcomings, traditional syringe needle is partially thick, and when injection uses One root long needle point is pierced into subcutaneous, it is possible to damage the vital tissues such as blood vessel and nerve, the sap cavity that liquid medicine injection is formed, compressing surrounding Blood vessel influences the absorption of medical fluid, and long syringe needle is administered to children's bring fear and psychic trauma is even more obvious, especially for that A bit because disease requires the crowd of injection daily, prolonged and repeated injection destroys the institutional framework of injection site, not only influences The absorption of medical fluid, also will cause position hard case less and less for injection, and another needleless injector is difficult to make liquid Body equably permeates, and cannot generate the microjet of enough speed, leads to the further lowering of problem of skin permeability, for The above problem carries out innovative design on the basis of original traditional medication injector.

Utility model content

The purpose of this utility model is to provide a kind of minimally invasive tumor therapeutic agent syringes, to solve above-mentioned background technique It is middle to propose traditional medication injector, belong to invasive injection, injection is that needle point is pierced into subcutaneously, damages the important sets such as blood vessel and nerve It knits, the sap cavity that liquid medicine injection is formed oppresses peripheral vessels, influences the absorption of medical fluid, and it is frightened and psychological to be administered to children's bring Wound, prolonged and repeated injection, the problem of destroying the institutional framework of injection site.

To achieve the above object, the utility model provides the following technical solutions: a kind of minimally invasive tumor therapeutic agent syringe, Including shell, front end rubber plug, end rubber plug and injecting needle base, the front end of the shell is provided with helmet, and the inside peace of helmet Equipped with shield pincushion, the casing ends edge is fixed with sealing ring, and interior of shell is provided with medicinal liquid cavity, the front end rubber plug and End rubber plug is separately mounted to the surface of medicinal liquid cavity, and the inside of medicinal liquid cavity is fixed with push rod, and the front end of the push rod is equipped with Piston, the front-end surface of medicinal liquid cavity is arranged in the injecting needle base, and the inside of injecting needle base is fixed with injection needle.

Preferably, matcoveredn is arranged in the case surface, and protective layer is silica gel material.

Preferably, the helmet is medical pp material.

Preferably, the edge of the edge of the sealing ring and shell mutually coincide, and both is bonding.

It preferably, is hollow structure inside the rear end of the injecting needle base, and before injecting needle base interior surface and piston When end face is same level, piston is original state.

Preferably, internal diameter is 50 to 410 μm, 50 to 220 μm and 50 to 170 μm inside the injection needle, and The injection depth of injection needle is 0.5 to 10mm and 0.2 to 5mm.

Compared with prior art, the utility model has the beneficial effects that the minimally invasive tumor therapeutic agent syringe,

1, the discomfort of patient caused by pain and bleeding can be mitigated, while when microjet penetrates into skin, being made under skin Injection loss late minimize, absorption area is bigger, and drug effect is fast, will not play scleroma；

2, injection needle avoids probably needle phenomenon, and dosage is accurate, reduces pain, and minimally-invasive treatment restores quickly；

3, the microjet that can produce enough speed can transmit the liquid of even amount without relying on the skin characteristic of individual To uniform depth；

4, it may be allowed continuous injection, to increase the injection area of single injection or perform the operation on many objects.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model side schematic view；

Fig. 3 is the utility model shell hierarchical diagram.

In figure: 1, shell, 101, protective layer, 2, helmet, 3, shield pincushion, 4, sealing ring, 5, medicinal liquid cavity, 6, front end rubber plug, 7, end rubber plug, 8, push rod, 9, piston, 10, injecting needle base, 11, injection needle.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of minimally invasive tumor therapeutic agent syringe, packet Shell 1, front end rubber plug 6, end rubber plug 7 and injecting needle base 10 are included, the front end of shell 1 is provided with helmet 2, the setting of 1 surface of shell Matcoveredn 101, and protective layer 101 is silica gel material, is held comfortably, it is easy to use, and the inside of helmet 2 is equipped with shield pincushion 3, helmet 2 is medical pp material, and safe material protects syringe needle impaired because of extraneous factor, 1 terminal edge of shell well It is fixed with sealing ring 4, the edge of sealing ring 4 and the edge of shell 1 mutually coincide, and both is bonding, is played well close Envelope effect, and shell 1 is internally provided with medicinal liquid cavity 5, front end rubber plug 6 and end rubber plug 7 are separately mounted to the surface of medicinal liquid cavity 5, And the inside of medicinal liquid cavity 5 is fixed with push rod 8, the front end of push rod 8 is equipped with piston 9, before medicinal liquid cavity 5 is arranged in injecting needle base 10 The rear end inside of end surfaces, injecting needle base 10 is hollow structure, and the front end face of 10 interior surface of injecting needle base and piston 9 is same When one horizontal plane, piston 9 is original state, facilitates and imports medical fluid into patient skin inner layer completely, and dosage is accurate, reduces pain Sense, minimally invasive hypodynia, and the inside of injecting needle base 10 are fixed with injection needle 11,11 inside internal diameter of injection needle is 50 to 410 μm, 50 to 220 μm and 50 to 170 μm, and the injection depth of injection needle is 0.5 to 10mm and 0.2 to 5mm, injection When can produce the microjet of enough speed, without relying on the skin characteristic of individual, the liquid of even amount can be sent to uniform depth Degree.

Working principle: the helmet 2 of taking-up 1 front end of shell first is removed, and the injection needle 11 of front end sucks medicine by push rod 8 Object, because of the effect of the interaction of internal 9 three of front end rubber plug 6, end rubber plug 7 and piston, in addition on injecting needle base 10 11 inside diameter of injection needle it is superfine so that the injection needle 11 of front end will not suck air, after having sucked medical fluid body, can will infuse It penetrates needle 11 and is directed at skin piercing, the lines on shell 1 can exert a force well, and superfine injection needle 11 avoids probably needle phenomenon, agent Amount is accurate, reduces pain, and minimally-invasive treatment restores that quickly, compared to the thick needle of conventional syringe, pain and bleeding can be mitigated Caused patient is uncomfortable, while when microjet penetrates into skin, minimizes the injection loss late under skin, absorption area is more Greatly, drug effect is fast, will not play scleroma, and can solve that needleless injector is very difficult to permeate liquid equably, cannot generate The problem of microjet of enough speed, allow continuously to inject, with increase the injection area of single injection or in many objects it is enterprising Row operation also not will lead to subcutaneous tissue damage, such a to can reduce patient suffering, and minimally-invasive treatment is allowed to restore the minimally invasive of quickening Tumor therapeutic agent syringe can be very good to be used by medical staff.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of minimally invasive tumor therapeutic agent syringe, including shell (1), front end rubber plug (6), end rubber plug (7) and injection needle Seat (10), it is characterised in that: the front end of the shell (1) is provided with helmet (2), and the inside of helmet (2) is equipped with shield pincushion (3), shell (1) terminal edge is fixed with sealing ring (4), and shell (1) is internally provided with medicinal liquid cavity (5), the front end Rubber plug (6) and end rubber plug (7) are separately mounted to the surface of medicinal liquid cavity (5), and the inside of medicinal liquid cavity (5) is fixed with push rod (8), The front end of the push rod (8) is equipped with piston (9), and the front-end surface in medicinal liquid cavity (5) is arranged in the injecting needle base (10), and infuses The inside for penetrating needle stand (10) is fixed with injection needle (11).

2. a kind of minimally invasive tumor therapeutic agent syringe according to claim 1, it is characterised in that: shell (1) table Matcoveredn (101) are arranged in face, and protective layer (101) is silica gel material.

3. a kind of minimally invasive tumor therapeutic agent syringe according to claim 1, it is characterised in that: the helmet (2) is Medical pp material.

4. a kind of minimally invasive tumor therapeutic agent syringe according to claim 3, it is characterised in that: the sealing ring (4) Edge and shell (1) edge mutually coincide, and both for bonding.

5. a kind of minimally invasive tumor therapeutic agent syringe according to claim 1, it is characterised in that: the injecting needle base It (10) is hollow structure inside rear end, and the front end face of injecting needle base (10) interior surface and piston (9) is same level When, piston (9) is original state.

6. a kind of minimally invasive tumor therapeutic agent syringe according to claim 1, it is characterised in that: the injection needle (11) Internal internal diameter is 50 to 410 μm, 50 to 220 μm and 50 to 170 μm, and the injection depth of injection needle (11) is 0.5 To 10mm and 0.2 to 5mm.