CN215128697U - Blood taking needle protective cap - Google Patents

Abstract

The utility model belongs to the technical field of blood taking needles, and particularly discloses a blood taking needle protective cap, which comprises a protective cap body, wherein a protective sleeve and a bending sleeve are respectively and fixedly arranged at two ends of the interior of the protective cap body, and only one end of the protective sleeve is open, and a needle head accommodating space is arranged in the protective sleeve; be equipped with two syringe needle insertion space in the protective cap, one is to carry out the cylindrical syringe needle accommodation space that seals the protection to the syringe needle before not using, another is used for buckling the syringe needle after using the confined syringe needle space of buckling, receive the syringe needle angle of buckling of two bending segments in the space of buckling, make the syringe needle produce the deformation of buckling along the bending segment when inserting, tight card is in the syringe needle space of buckling, be difficult for becoming flexible and drop, buckle the damage and seal the syringe needle after using, avoid the syringe needle after the use to take place to break away from with the protective cap after tearing the plastic envelope easily, when leading to medical personnel's clearance utensil, the fish tail finger produces the condition of germ infection.

Description

Blood taking needle protective cap

Technical Field

The utility model relates to a blood taking needle technical field specifically is a blood taking needle protective cap.

Background

A blood taking needle for collecting blood samples in a medical examination process comprises a needle head, a needle rod and a needle cap and is used for collecting blood of a patient.

The protective cap for the disposable blood taking needle at present is single in structure, generally has a cylindrical tubular structure with an opening at one end, and when the protective cap is used, the needle cap is easily separated from a needle head, so that after blood taking, medical workers are easily pricked by the needle head when arranging waste medical appliances, pathogenic bacteria infection is caused, and potential safety hazards exist. Accordingly, those skilled in the art have provided a lancet protecting cap to solve the problems suggested in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blood taking needle protective cap to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a blood taking needle protective cap, includes the protective cap body, the inside both ends of protective cap body have set firmly only one end open-ended protective sleeve and the sleeve of buckling respectively, protective sleeve's inside has syringe needle accommodation space, the telescopic open end of buckling has the syringe needle and inserts the end, the telescopic inside of buckling has seted up the syringe needle space of buckling, the sleeve of buckling has set gradually first buckle segment and second buckle segment by open end to blind end.

As a further aspect of the present invention: the outer side of the protective cap body is fixedly provided with a handle.

As a further aspect of the present invention: the surface of the handle is fixedly provided with an anti-skid surface, and the surface of the anti-skid surface is of a frosted structure.

As a further aspect of the present invention: the protective cap body and the handle are made of the same medical grade plastic materials.

As a further aspect of the present invention: the inner diameter of the needle insertion end is gradually reduced from outside to inside.

As a further aspect of the present invention: the bending angle of the first bending section and the second bending section is degree-degree.

As a further aspect of the present invention: the inside bottom of protective sleeve has "U" type card needle groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. two needle inserting spaces are arranged in the protective cap, one is a cylindrical needle accommodating space for sealing and protecting the needle before use, the other is a needle bending space for bending and sealing the used needle, and the needle is bent and deformed along the bending section when inserted by the bending angle of the two bending sections in the needle bending space and tightly clamped in the needle bending space, so that the needle is not easy to loosen and fall off, the used needle is bent, damaged and sealed, the situation that the used needle is easy to separate from the protective cap after plastic package is torn off and the like to cause germ infection of fingers when medical workers clean the instrument is avoided, and the safety of the used blood taking needle is enhanced;

2. the shape of the needle head is damaged, and the possibility of secondary recycling of the needle head is avoided;

3. the handle of kneading the handle of trapezium structure is equipped with in the outside of protective cap, kneads the handle of kneading the handle during the contact pin, avoids the protective cap volume less, takes place the condition of accidental injury finger when the contact pin easily, reinforcing safety in utilization.

Drawings

FIG. 1 is a schematic view showing a structure of a lancet protecting cap;

FIG. 2 is a sectional view schematically showing a lancet protecting cap;

FIG. 3 is a schematic sectional view of the protective sleeve of the blood collection needle protective cap in an axial view;

FIG. 4 is a schematic axial view of a bending sleeve in the lancet protecting cap.

In the figure: 1. a protective cap body; 11. a protective sleeve; 111. a needle receiving space; 12. bending the sleeve; 121. a needle insertion end; 122. a needle bending space; 123. a first bending section; 124. a second bending section; 2. a handle knob; 21. and (4) an anti-skid surface.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a blood collection needle protection cap includes a protection cap body 1, a protection sleeve 11 and a bending sleeve 12 with only one open end are respectively fixed at two ends inside the protection cap body 1, a needle accommodating space 111 is provided inside the protection sleeve 11, an open end of the bending sleeve 12 has a needle insertion end 121, a needle bending space 122 is provided inside the bending sleeve 12, and the bending sleeve 12 is sequentially provided with a first bending section 123 and a second bending section 124 from the open end to a closed end.

In this embodiment: a needle bending space 122 is formed inside the bending sleeve 12, a first bending section 123 and a second bending section 124 are sequentially arranged from the opening end to the closed end of the bending sleeve 12, and the bending angle of the first bending section 123 and the second bending section 124 is 120-135 degrees; utilize first bending segment 123 and second bending segment 124 to establish syringe needle bending space 122 into type "S" type structure, can insert syringe needle bending space 122 when the syringe needle, borrow the angle of buckling of first bending segment 123 and second bending segment 124, make the syringe needle produce bending deformation along the syringe needle bending space 122' S bending curvature at the male in-process, only block is fixed in syringe needle bending space 122, be difficult for coming off not hard up, and the syringe needle is at the deformation that male in-process produced promptly, the possibility of secondary recycle has been stopped, potential safety hazard has been stopped.

In fig. 1 and 2, a handle 2 is fixedly arranged on the outer side of a protective cap body 1, an anti-skid surface 21 is fixedly arranged on the surface of the handle 2, and the surface of the anti-skid surface 21 is of a frosted structure; when the needle protection cap is used, the handle 2 is held, the needle is pulled out of the protection cap body 1, the handle 2 is held after the needle is used, the used needle is inserted into the bent sleeve 12 from the left end of the protection cap body 1, the needle is firstly inserted into the needle insertion end 121 (the needle insertion end 121 is of a truncated cone-shaped structure, the inner diameter of the needle is gradually reduced from outside to inside), the needle is continuously inserted into the bent sleeve 12 after being inserted into the needle insertion end 121 by force, the needle is inserted into the needle bending space 122, the handle 2 is utilized to enable the needle to be inserted into the needle bending space 122, the situation that fingers are easily accidentally injured during needle insertion is avoided, and the use safety is improved.

In fig. 1-4, the protective cap body 1 and the handle 2 are made of the same material, and are made of medical grade plastic material.

In FIGS. 2 and 4, needle insertion end 121 tapers from an outer to an inner diameter; after the use, hold handle 2, the syringe needle after using inserts the sleeve 12 of buckling from the left end of protective cap body 1, the syringe needle inserts the end 121 earlier in the syringe needle, insert syringe needle and insert and continue inserting hard in the sleeve 12 after inserting end 121, the syringe needle inserts syringe needle bending space 122, pass through first bending segment 123 and second bending segment 124 in proper order, receive the bending angle of syringe needle bending space 122, make the syringe needle appear buckling deformation, the inserted hole internal diameter is big, insert the back internal diameter and reduce, the insertion of the syringe needle of being more convenient for on the one hand, avoid the entry less, be difficult to aim at the entry and insert the syringe needle, on the other hand after the syringe needle inserts, play spacing effect to a certain extent to the syringe needle, make the syringe needle insert when easier along the curvature deformation.

In fig. 2, the inner bottom end of the protection sleeve 11 is provided with a U-shaped needle clamping groove; the needle has good protection effect on the needle point of the needle.

The utility model discloses a theory of operation is: when the disposable blood taking needle is not used, a needle is inserted into the protective sleeve 11 from the right end of the protective cap body 1, a needle accommodating space 111 with a hollow cylindrical structure is arranged in the protective sleeve 11, the needle can be protected when the disposable blood taking needle is not used, when the disposable blood taking needle is used, the handle 2 is held, the needle is drawn out from the protective cap body 1, after the disposable blood taking needle is used, the handle 2 is held, the used needle is inserted into the bending sleeve 12 from the left end of the protective cap body 1, the needle is firstly inserted into the needle insertion end 121 (the needle insertion end 121 is in a circular truncated cone structure and gradually reduces from the outside to the inside diameter), the needle is continuously and forcibly inserted into the bending sleeve 12 after being inserted into the needle insertion end 121, the needle is inserted into the needle bending space 122, passes through the first bending section 123 and the second bending section 124 in sequence and is subjected to the bending angle of the needle bending space 122, so that the needle is bent and deformed, and finally is tightly clamped into the needle bending space 122, the needle head is not easy to loosen and fall off, the used needle head is protected in a sealing mode, the situation that when medical staff clean the instrument due to the fact that the used needle head is easy to separate from the protective cap after plastic package is torn off is avoided, the fingers are scratched to cause germ infection, and the safety of the used blood taking needle is improved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a blood taking needle protective cap, includes protective cap body (1), its characterized in that, the inside both ends of protective cap body (1) have only set firmly protective sleeve (11) and the sleeve (12) of buckling of one end open-ended respectively, the inside of protective sleeve (11) has needle accommodation space (111), the open end of buckling sleeve (12) has the needle and inserts end (121), needle bending space (122) have been seted up to the inside of buckling sleeve (12), buckle sleeve (12) and have set gradually first bending segment (123) and second bending segment (124) by open end to blind end.

2. The lancet protection cap according to claim 1, wherein a knob (2) is fixedly arranged at the outer side of the protection cap body (1).

3. The blood taking needle protection cap as claimed in claim 2, wherein the surface of the knob (2) is fixedly provided with an anti-slip surface (21), and the surface of the anti-slip surface (21) is of a frosted structure.

4. The blood collection needle protection cap according to claim 2, wherein the protection cap body (1) and the knob (2) are made of the same medical grade plastic material.

5. The lancet protection cap according to claim 1, wherein the needle insertion end (121) is tapered from an outer diameter to an inner diameter.

6. The lancet protection cap according to claim 5, wherein the first bending section (123) and the second bending section (124) have a bending angle of 120-135 degrees.

7. A lancet protection cap according to claim 1, wherein the inner bottom end of the protection sleeve (11) has a "U" -shaped needle catching groove.

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