CN219763388U - Inoculation syringe capable of avoiding environmental pollution - Google Patents

Abstract

The utility model discloses an inoculation injector for avoiding environmental pollution, which belongs to the technical field of medical equipment and comprises an injection assembly and a recovery assembly, wherein the injection assembly comprises a needle, a needle tube, a piston and a piston pushing handle, the needle is positioned on one side of the needle tube, the needle is communicated with the needle tube, the piston pushing handle is positioned on the other side of the needle tube far away from the needle, the piston is fixed on the top of the piston pushing handle, the piston is positioned in the needle tube, and the top end of the piston and the inner wall of the needle tube jointly form a closed accommodating space; the recovery assembly comprises a recovery barrel, a cavity with a U-shaped longitudinal section is formed in the recovery barrel, a recovery opening communicated with the cavity is formed in the top wall of the recovery barrel, an air bag is fixedly connected to the inner wall of the recovery opening, a limiting groove is formed in the recovery barrel and located below the air bag, a funnel-shaped protection part is further arranged at the top end of the recovery barrel, and an opening at the lower end of the protection part is communicated with the recovery opening. The utility model can solve the problem that the leaked medicine of the inoculation injector still possibly pollutes the environment in the recycling process.

Description

Inoculation syringe capable of avoiding environmental pollution

Technical Field

The utility model belongs to the technical field of medical equipment, and particularly relates to an inoculation syringe capable of avoiding environmental pollution.

Background

The injector is a common medical appliance, and consists of a needle tube with a small hole at the front end and a matched piston core rod, and is used for injecting a small amount of liquid or extracting the liquid from the area which is inaccessible to other methods or extracting the liquid or the gas from the place, wherein the liquid or the gas is sucked from the small hole at the front end of the needle tube when the core rod is extracted, and the liquid or the gas is extruded when the core rod is pushed in.

However, after the medical staff uses the syringe to inoculate the patient, if the syringe is not carefully treated, the residual liquid on the needle of the syringe may cause infection to the medical staff or the residual liquid may pollute the environment.

For solving the problem, chinese patent publication No. CN215083445U discloses a vaccination syringe avoiding environmental pollution, including needle tubing, syringe needle, piston and piston push handle, the front end of needle tubing is located to the syringe needle, the piston is installed in the front end of piston push handle and is set up in the needle tubing, the needle tubing inner space of piston front end is as the stock solution chamber of storing the liquid medicine, the cover is equipped with the needle cover on the syringe needle, install the sealing plug in the needle cover, the front end spike portion of syringe needle passes the sealing plug and stretches to the front end of needle cover, the sealing plug adopts the material preparation of easy impaling. The utility model can avoid the contact of vaccine and air in the vaccination process, thereby causing pollution to the environment and greatly reducing the uncertainty and difficulty of detection work.

Although the vaccination injector can basically meet the requirements, after the vaccination of the injector is finished, the medicine in the needle tube can still leak in the transportation process, and the leaked medicine can still cause environmental pollution, namely the injector has the problem that the medicine leaked in the recovery process can still pollute the environment.

Disclosure of Invention

In order to solve the problem that the medicine leaked from the inoculation syringe in the recovery process can still pollute the environment, the utility model provides the inoculation syringe capable of avoiding environmental pollution.

In order to achieve the above object, the technical scheme of the present utility model is as follows: an inoculation injector, an injection component and a recovery component for avoiding environmental pollution,

the injection assembly comprises a needle, a needle tube, a piston and a piston pushing handle, wherein the needle is positioned at one side of the needle tube, the needle is communicated with the needle tube, the piston pushing handle is positioned at the other side of the needle tube far away from the needle tube, the top of the piston pushing handle is provided with a piston, the piston is positioned in the needle tube, and the top end of the piston and the inner wall of the needle tube jointly form a closed accommodating space which is used for storing liquid medicine for injection;

the recovery assembly comprises a recovery barrel, a cavity with a U-shaped longitudinal section is formed in the recovery barrel, a recovery opening communicated with the cavity is formed in the top wall of the recovery barrel, an air bag is fixedly connected to the inner wall of the recovery opening, a limiting groove is formed in the recovery barrel and located below the air bag, a funnel-shaped protection part is further arranged at the top end of the recovery barrel, and an opening at the lower end of the protection part is communicated with the recovery opening.

The basic scheme has the following principle and beneficial effects:

because the recovery component comprises the recovery barrel, after medical staff finishes inoculation injection by using the injection component, the medical staff can hold the injection component through the recovery barrel, the injection component can be stored by the recovery barrel, and residual medicine in the injection component can not drip outside to cause environmental pollution, namely, the utility model can solve the problem that the injector pollutes the environment in the recovery process.

Because the air bag is fixed in the recycling bin, when medical staff recycles the injection component through the recycling bin, the needle tube in the injection component often contains different specifications and the diameter of the recycling bin is fixed, if the recycling bin with different diameters is manufactured according to the needle tube with different specifications, the manufacturing cost of the recycling bin is greatly increased, the air bag positioned on the inner wall of the recycling bin can clamp the needle tube part of the injection component, and the air bag has certain elasticity and flexibility, so that the recycling component can firmly fix the needle tube through the air bag when facing the needle tube with different specifications, namely, the utility model can fix the needle tube with different specifications through the air bag structure, thereby saving the manufacturing cost;

in addition, when the injection assembly is in the middle of transportation, the needle tube in the recycling bin can be broken due to vibration caused by transportation, and personnel in charge of transportation are likely to be injured due to the broken needle tube, and the air bag on the inner wall of the recycling bin can play a role in shock absorption and shock absorption on the needle tube, so that compared with the recycling bin without the air bag, the air bag structure can better protect the needle tube in the middle of transportation.

Meanwhile, because the recovery barrel is internally provided with the limit groove, when the injection assembly is in the middle of transportation, the slender needle head can be bent due to vibration caused by transportation, the bent needle head is difficult to process and can scratch personnel responsible for transportation, at the moment, the limit groove in the recovery barrel can fix the slender needle head, and the needle head is prevented from being damaged and bent in the middle of transportation, namely, the limit groove in the injection assembly can better protect the needle head in the transportation process;

in addition, when medical staff retrieves injection subassembly through the recycling bin, the condition in the recycling bin will not be observed by medical staff naked eyes, if medical staff is hard too hard, the syringe needle can buckle because of touching the end, and spacing recess can play the cushioning effect for the syringe needle this moment, can also help medical staff confirm the position of recycling bin bottom simultaneously, compares in the recycling bin that does not have spacing recess promptly, and the protection syringe needle is not buckled when this utility model can help medical staff correctly place the recycling subassembly.

Because the lower end of the protecting part is fixed at the upper end of the recovery barrel through the side wall, when medical staff performs inoculation injection for a long time, tired medical staff is likely to prick the hand holding the recovery barrel by mistake in the recovery process of the injection assembly, the hand can be injured, meanwhile, the residual inoculation substances on the needle can also cause infection to the medical staff through the wound, at the moment, the protecting part above the opening of the recovery barrel can effectively isolate the needle from the palm, even if the medical staff fails to place the injection assembly into the recovery barrel, the needle of the injection assembly can be blocked by the protecting part, and the hand of the medical staff can not be pricked by the needle, namely, compared with the recovery barrel without the protecting part, the protecting part in the utility model can play the roles of protecting the palm and preventing the needle from injuring the hand by mistake;

in addition, because the protection part is funnel-shaped, the diameter of the opening at the upper end of the protection part is larger than that of the opening at the lower end of the protection part, and the opening at the lower end of the protection part is communicated with the recycling opening of the recycling bin, the injection assembly is placed in the recycling opening by the protection part, and the working efficiency of the medical staff can be improved.

In summary, the utility model not only solves the problem that the injector pollutes the environment in the recovery process, but also protects the needle tube and the needle head in the recovery process, and also solves the problem that the needle head accidentally injures the hands of medical staff in the recovery process.

Further, the bottom of the recycling bin is fixedly connected with a label.

The basic scheme has the following principle and beneficial effects: because medical staff commonly uses an inoculation injector (namely an injection assembly in the utility model) to contact some vaccines or medicines with stronger infectivity and high risk coefficient, when the medical staff carries out the recovery of the injection assembly through the recovery barrel, if the treatment in the recovery process is careless, the residual medicine liquid in the accommodating space can drop on the ground surface, or the medical staff can be pricked by a needle head to infect, at the moment, the label at the bottom of the recovery barrel can play a role in warning, when the medical staff sees the marked dangerous information on the label, the medical staff can more properly and carefully treat the recovery barrel, and meanwhile, the label can also help the medical staff to finish the classification work of the recovery barrel, so compared with the recovery barrel without the label, the utility model can help the medical staff to more properly finish the recovery treatment and reasonably classify the recovery barrel.

Further, the protection part comprises a first protection part and a second protection part which are hinged by a hinge, and two sides of the hinge are fixedly connected with the bottom of the first protection part and the upper part of the second protection part respectively.

The basic scheme has the following principle and beneficial effects: because the first protection part is hinged with the second protection part through the hinge, the diameter of the protection part can be adjusted, when the diameter of the upper end of the recycling bin is overlarge or is overlarge, the opening below the protection part cannot be fixed at the upper end of the recycling bin, if the corresponding protection part is manufactured according to the diameter of different recycling bins, the manufacturing cost of the protection part can be greatly increased, and at the moment, the medical staff can adjust the distance between the first protection part and the second protection part through the hinge, so that the diameter of the protection part, namely the diameter of the opening below the protection part, is adjusted, and therefore, when the protection part faces recycling bins with different diameters, the medical staff can also stably fix the opening below the protection part at the upper end of the recycling bin.

Further, a foam layer is fixed on the surface of the protection part.

The basic scheme has the following principle and beneficial effects: because the foam layer is arranged on the surface of the protecting part, when the protecting part successfully protects medical staff from being pricked by the needle head in the recovery process, if the material of the protecting part is hard, the slender fragile needle head can be broken in the process of contacting the protecting part, so that the residual medicine in the accommodating space flows out to pollute the environment, and at the moment, the foam layer on the surface of the protecting part is soft, and the foam layer can wrap the needle head to prevent the needle head from being broken, so that compared with the protecting part without the foam layer, the needle head can be more effectively protected in the recovery process.

Further, a sealing plug with the same diameter as the limiting groove is arranged in the recycling bin.

The basic scheme has the following principle and beneficial effects: because the sealing plug which can be penetrated by the needle is arranged in the limiting groove, residual medicine in the accommodating space can possibly flow out of the needle and pollute the recycling bin during transportation, the sealing plug positioned in the limiting groove can isolate the needle from the recycling bin, the sealing plug and the limiting groove can form an accommodating cavity, and the residual medicine can only flow out of the needle and exist in the accommodating cavity without polluting the whole recycling bin, so that compared with the limiting groove without the sealing plug, the sealing plug structure in the limiting groove can further limit the pollution range of the residual medicine.

In addition, in the transportation, the sealing plug can also fix the needle head to prevent the needle head from bending.

Further, annular anti-skidding lines are arranged on the side wall of the recycling bin and are uniformly distributed along the axial direction of the recycling bin.

The basic scheme has the following principle and beneficial effects: because the recycling bin lateral wall is equipped with round anti-skidding line, when medical personnel place injection subassembly through the recycling bin in-process, if medical personnel loses the hand and can't grab steady recycling bin, the recycling bin will drop to ground from medical personnel's hand, serious person probably leads to the liquid medicine leakage pollution environment in the recycling bin, the friction between medical personnel's hand and the recycling bin can be increased to the anti-skidding line that lies in recycling bin lateral wall this moment for medical personnel can grab steady recycling bin easier, so compare in the recycling bin that does not have anti-skidding line, the anti-skidding line structure on the recycling bin of this utility model can assist medical personnel's completion injection subassembly's recovery work easier.

Further, an annular bulge is fixed on the surface of the piston push handle, and an annular groove for being attached to the annular bulge is formed in the inner side wall of the needle tube.

The basic scheme has the following principle and beneficial effects: because the piston pushing handle is provided with the annular bulge, the inner side wall of the needle tube is provided with the annular groove, when medical staff excessively pulls the piston pushing handle, the piston pushing handle can possibly fall off from the needle tube, if the piston pushing handle is not processed, the containing space formed by the piston and the needle tube can be destroyed, liquid medicine stored in the containing space can be poured out and pollute the surrounding environment, at the moment, the annular bulge on the piston pushing handle can be mutually attached to the annular groove on the needle tube, the piston pushing handle is fixed with the needle tube, and the piston pushing handle can not fall off from the needle tube.

Further, the outer surface of the needle tube is fixed with a heat insulation layer.

The basic scheme has the following principle and beneficial effects: because the outer surface of the needle tube is provided with the heat insulation layer, when medical staff touches the needle tube, the heat of hands can volatilize medicines in the needle tube, if the medical staff does not process the medicines, the volatilized medicines can still possibly pollute the environment, and at the moment, the heat insulation layer arranged on the outer surface of the needle tube can effectively insulate the body temperature of the medical staff and prevent the medicines from volatilizing, so compared with the needle tube without the heat insulation layer, the heat insulation layer outside the needle tube can lighten the environmental pollution phenomenon caused by the volatilization of the medicines in the medical process.

Drawings

Fig. 1 is an overall schematic diagram of embodiment 1 of the present utility model.

Fig. 2 is a schematic view of the injection assembly of fig. 1.

Fig. 3 is a schematic view of the recovery assembly of fig. 1.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: injection assembly 1, recovery assembly 2, needle 11, needle tube 12, piston 13, piston pushing handle 14, recovery opening 21, air bag 22, limit groove 23, protection part 24, label 25.

Example 1

Substantially as shown in figures 1, 2 and 3: the inoculation injector for avoiding environmental pollution comprises an injection assembly 1 and a recovery assembly 2, wherein the injection assembly 1 comprises a needle 11, a needle tube 12, a piston 13 and a piston pushing handle 14, the needle 11 is positioned on one side of the needle tube 12, the needle 11 is communicated with the needle tube 12, the piston pushing handle 14 is positioned on the other side of the needle tube 12 away from the needle 11, the top of the piston pushing handle 14 is provided with a piston 13, the piston 13 is positioned in the needle tube 12, the top of the piston 13 and the inner wall of the needle tube 12 form a closed accommodating space together, and the accommodating space is used for storing liquid medicine for injection; the recovery assembly 2 comprises a recovery barrel, a cavity with a U-shaped longitudinal section is arranged in the recovery barrel, a recovery opening 21 communicated with the cavity is formed in the top wall of the recovery barrel, an air bag 22 is fixedly bonded on the inner wall of the recovery opening 21, a limiting groove 23 is formed in the recovery barrel, the limiting groove 23 is located below the air bag 22, a funnel-shaped protection part 24 is further arranged at the top end of the recovery barrel, a magic tape is arranged on the inner side wall of the lower end opening of the protection part 24, the inner side wall of the lower end opening of the protection part 24 is fixedly bonded with the top end of the outer side wall of the top wall of the recovery barrel, and the lower end opening of the protection part 24 is communicated with the recovery opening 21.

Because the recovery component 2 comprises the recovery barrel, after the medical staff finishes inoculation injection by using the injection component 1, the medical staff can hold the injection component 1 through the recovery barrel, the injection component 1 can be stored by the recovery barrel, and the residual medicine in the injection component 1 can not drip on the outside to cause environmental pollution, namely, the utility model can solve the problem of environmental pollution of the injector in the recovery process.

Because the air bag 22 is fixed in the recycling bin, when medical staff recycles the injection component 1 through the recycling bin, the needle tube 12 in the injection component 1 often contains different specifications and sizes, and the diameters of the recycling bin are fixed, if the recycling bin with different diameters is manufactured according to the needle tube 12 with different specifications, the manufacturing cost of the recycling bin can be greatly increased, at the moment, the air bag 22 positioned on the inner wall of the recycling bin can clamp the needle tube 12 part of the injection component 1, and the air bag 22 has certain elasticity and flexibility, so when the recycling component 2 faces the needle tube 12 with different specifications and sizes, the needle tube 12 can be firmly fixed through the air bag 22, namely, the utility model can fix the needle tube 12 with different specifications through the air bag 22 structure, and the manufacturing cost is saved.

In addition, when the injection assembly 1 is in transit, the needle tube 12 in the recovery barrel may be broken due to vibration caused by transit, and personnel in charge of transit are likely to be injured due to the broken needle tube 12, and the air bag 22 positioned on the inner wall of the recovery barrel can play a role in shock absorption and shock absorption of the needle tube 12, so that the air bag 22 structure of the present utility model can better protect the needle tube 12 in transit than in the recovery barrel without the air bag 22.

Meanwhile, because the limiting groove 23 is further formed in the recycling bin, when the injection assembly 1 is in the middle of transportation, the slender needle 11 may be bent due to vibration caused by transportation, the bent needle 11 is difficult to process and may scratch personnel responsible for transportation, at the moment, the limiting groove 23 in the recycling bin can fix the slender needle 11, the needle 11 is prevented from being damaged and bent in the middle of transportation, namely, the limiting groove 23 in the utility model can better protect the needle 11 in the transportation process.

In addition, when medical staff retrieves the injection assembly 1 through the recycling bin, the situation in the recycling bin can not be observed by naked eyes of the medical staff, if the medical staff exert excessive force, the needle 11 can be bent due to bottoming, at the moment, the limiting groove 23 can play a buffering role for the needle 11, and meanwhile, the medical staff can be helped to confirm the position of the bottom of the recycling bin, namely, compared with the recycling bin without the limiting groove 23, the recycling bin can help the medical staff to correctly place the recycling assembly 2 and protect the needle 11 from being bent.

Because the protection part 24 lower extreme is fixed in the recycling bin upper end through the lateral wall, when medical personnel inoculate the injection for a long time, tired medical personnel are likely in the recovery process of injection subassembly 1, make syringe needle 11 of injection subassembly 1 prick the hand of holding the recycling bin by mistake, the hand can be injured simultaneously, the residual inoculation material on syringe needle 11 still probably causes the infection to medical personnel through the wound, protection part 24 that lies in this moment recycling bin opening top can effectual isolation syringe needle 11 and palm, even medical personnel fail to place injection subassembly 1 in the recycling bin, syringe needle 11 of injection subassembly 1 also can be blocked by protection part 24, medical personnel's hand also can not be pricked by syringe needle 11, compare in the recycling bin that does not have protection part 24, protection part 24 in the utility model can play the effect of protection palm, prevent syringe needle 11 from accidentally injuring the hand.

In addition, because the protecting part 24 is funnel-shaped, the diameter of the opening at the upper end of the protecting part 24 is larger than that of the opening at the lower end, and the opening at the lower end is communicated with the recycling opening 21 of the recycling bin, therefore, compared with the mode that medical staff directly place the injection assembly 1 in the recycling opening 21, the mode that the medical staff places the injection assembly 1 in the recycling opening 21 by the protecting part 24 is more convenient and quick, and the working efficiency of the medical staff can be improved.

In summary, the utility model not only can solve the problem that the injector pollutes the environment in the recycling process, but also can protect the needle tube 12 and the needle 11 in the recycling process, and can also solve the problem that the needle 11 accidentally injures the hands of medical staff in the recycling process.

Example 2

A further embodiment of the utility model, substantially as shown in figure 3, differs from the above embodiment in that: the bottom of the recycling bin is adhered with a label 25.

Because medical staff often uses an inoculation injector (i.e. the injection assembly 1 in the utility model) to contact some vaccines or medicines (such as hepatitis B) with stronger infectivity and high risk coefficient, when the medical staff carries out the recovery of the injection assembly 1 through the recovery barrel, if the treatment in the recovery process is careless, the residual medicine in the accommodating space can drop on the ground surface, or the medical staff can be mistakenly pricked by the needle 11 to infect, at the moment, the label 25 positioned at the bottom of the recovery barrel can play a role in warning, when the medical staff sees the risk information marked on the label 25, the medical staff can more properly treat the recovery barrel, and meanwhile, the label 25 can also help the medical staff to finish the classification work of the recovery barrel, compared with the recovery barrel without the label 25, the utility model can help the medical staff to properly finish the recovery treatment and reasonably classify the recovery barrel.

Example 3

A further embodiment of the present utility model differs from the above embodiment in that: the protection part 24 comprises a first protection part and a second protection part which are hinged by a hinge, and two sides of the hinge are respectively and fixedly connected with the bottom of the first protection part and the upper part of the second protection part by threads.

Because the first protection part is hinged with the second protection part through the hinge, the diameter of the protection part 24 can be adjusted, when the diameter of the upper end of the recycling bin is too large or too small, the opening below the protection part 24 cannot be fixed at the upper end of the recycling bin, if the corresponding protection part 24 is manufactured according to the diameter of different recycling bins, the manufacturing cost of the protection part 24 can be greatly increased, and at the moment, the medical staff can adjust the distance between the first protection part and the second protection part through the hinge so as to adjust the diameter of the protection part 24, namely the diameter of the opening at the lower end of the protection part 24, so that the medical staff can stably fix the opening below the protection part 24 at the upper end of the recycling bin when facing recycling bins with different diameters.

Example 4

A further embodiment of the present utility model differs from the above embodiment in that: the surface of the protection part 24 is adhered and fixed with a foam layer.

Because the surface of the protecting part 24 is provided with the foam layer, when the protecting part 24 successfully protects medical staff from being pricked by the needle 11 by mistake in the recovery process, if the material of the protecting part 24 is hard, the slender fragile needle 11 can be broken in the process of contacting the protecting part 24, so that the residual medicine in the accommodating space flows out to pollute the environment, and at the moment, the foam layer on the surface of the protecting part 24 is soft, and the foam layer can wrap the needle 11 to prevent the needle 11 from being broken, so compared with the protecting part 24 without the foam layer, the utility model can more effectively protect the needle 11 in the recovery process.

Example 5

A further embodiment of the present utility model differs from the above embodiment in that: a sealing plug with the same diameter as the limiting groove is arranged in the recycling bin.

Because the sealing plug which can be penetrated by the needle 11 is arranged in the limiting groove, residual medicine in the accommodating space can possibly flow out of the needle 11 and pollute the recycling bin during transportation, the sealing plug positioned in the limiting groove can isolate the needle 11 from the recycling bin, the sealing plug and the limiting groove can form an accommodating cavity, and the residual medicine can only flow out of the needle 11 and exist in the accommodating cavity without polluting the whole recycling bin, so compared with the limiting groove without the sealing plug, the sealing plug structure in the limiting groove can further limit the pollution range of the residual medicine.

In addition, the sealing plug can also fix the needle 11 during transportation, and prevent the needle 11 from bending.

Example 6

A further embodiment of the present utility model differs from the above embodiment in that: the side wall of the recycling bin is provided with annular anti-skid patterns, and the annular anti-skid patterns are uniformly distributed along the axial direction of the recycling bin.

Because the recycling bin lateral wall is equipped with round anti-skidding line, when medical personnel place injection subassembly 1 through the recycling bin in-process, if medical personnel loses the hand and can't grab steady recycling bin, the recycling bin will drop to ground from medical personnel's hand, serious person probably leads to the liquid medicine leakage pollution environment in the recycling bin, the friction between medical personnel's hand and the recycling bin can be increased to the anti-skidding line that lies in the recycling bin lateral wall this moment for medical personnel can grab steady recycling bin easier, so compare in the recycling bin that does not have anti-skidding line, the anti-skidding line structure on the recycling bin of this utility model can assist medical personnel's completion injection subassembly 1's recovery work easier.

Example 7

A further embodiment of the present utility model differs from the above embodiment in that: the surface of the piston push handle 14 is fixedly adhered with an annular bulge, and an annular groove for being attached to the annular bulge is formed in the inner side wall of the needle tube 12.

Because the annular bulge is arranged on the piston pushing handle 14, the annular groove is formed on the inner side wall of the needle tube 12, when a medical staff pulls the piston pushing handle 14 excessively, the piston pushing handle 14 may fall off from the needle tube 12, if the medical staff does not process the piston pushing handle, a containing space formed by the piston 13 and the needle tube 12 is destroyed, liquid medicine stored in the containing space can be spilled out and pollute the surrounding environment, at the moment, the annular bulge on the piston pushing handle 14 is mutually attached to the annular groove on the needle tube 12, the piston pushing handle 14 is fixed with the needle tube 12, and the piston pushing handle 14 cannot fall off from the needle tube 12, so compared with the injection assembly 1 without the annular bulge and the annular groove, the utility model can prevent environmental pollution caused by the fact that the medical staff damages the containing space excessively hard.

Example 8

A further embodiment of the present utility model differs from the above embodiment in that: the outer surface of the needle tube 12 is fixedly adhered with a heat insulation layer.

Because the outer surface of the needle tube 12 is provided with the heat insulation layer, when medical staff touches the needle tube 12, the heat of hands can volatilize the medicine in the needle tube 12, if the medicine is not treated, the volatilized medicine can still pollute the environment, and at the moment, the heat insulation layer arranged on the outer surface of the needle tube 12 can effectively insulate the body temperature of the medical staff and prevent the medicine from volatilizing, so compared with the needle tube 12 without the heat insulation layer, the heat insulation layer outside the needle tube 12 can lighten the environmental pollution phenomenon caused by the volatilization of the medicine in the medical process.

The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application date or before the priority date, can know all the prior art in the field, and has the capability of applying the conventional experimental means before the date, and a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present utility model, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (8)

1. An inoculation syringe for avoiding environmental pollution, characterized in that: the injection assembly comprises a needle, a needle tube, a piston and a piston push handle, wherein the needle is positioned on one side of the needle tube, the needle is communicated with the needle tube, the piston push handle is positioned on the other side of the needle tube away from the needle tube, the top of the piston push handle is provided with a piston, the piston is positioned in the needle tube, the top end of the piston and the inner wall of the needle tube form a closed accommodating space together, and the accommodating space is used for storing liquid medicine for injection; the recovery assembly comprises a recovery barrel, a cavity with a U-shaped longitudinal section is formed in the recovery barrel, a recovery opening communicated with the cavity is formed in the top wall of the recovery barrel, an air bag is fixedly connected to the inner wall of the recovery opening, a limiting groove is formed in the recovery barrel and located below the air bag, a funnel-shaped protection part is further arranged at the top end of the recovery barrel, and an opening at the lower end of the protection part is communicated with the recovery opening.

2. The environmentally friendly inoculation syringe as claimed in claim 1, wherein: the bottom of the recycling bin is fixedly connected with a label.

3. The environmentally friendly inoculation syringe as claimed in claim 2, wherein: the protection part comprises a first protection part and a second protection part which are hinged by a hinge, and two sides of the hinge are respectively fixedly connected with the bottom of the first protection part and the upper part of the second protection part.

4. An environmentally friendly inoculation syringe according to claim 3, wherein: the surface of the protecting part is fixed with a foam layer.

5. The environmentally friendly inoculation syringe as claimed in claim 4, wherein: a sealing plug with the same diameter as the limiting groove is arranged in the recycling bin.

6. The environmentally friendly inoculation syringe as claimed in claim 5, wherein: the side wall of the recycling bin is provided with annular anti-skid patterns, and the annular anti-skid patterns are uniformly distributed along the axial direction of the recycling bin.

7. The environmentally friendly inoculation syringe as claimed in claim 6, wherein: the surface of the piston push handle is fixedly adhered with an annular bulge, and an annular groove for being attached to the annular bulge is formed in the inner side wall of the needle tube.

8. The environmentally friendly inoculation syringe as claimed in claim 7, wherein: the outer surface of the needle tube is fixed with a heat insulation layer.