CN218458114U - Disposable push type blood taking needle - Google Patents

Abstract

The utility model provides a disposable push type blood taking needle belongs to the technical field of blood taking needle, including push type blood taking mechanism, push type blood taking mechanism includes casing and lid, is provided with first inner chamber and second inner chamber in the casing, and the inner wall upper surface intermediate position of first inner chamber is provided with the positioning seat, blood taking needle and protection head, is provided with the capillary straw in the second inner chamber, damping slider and damping spout, and capillary straw joint is on the recess of damping slider one side, is sliding connection between damping slider and the damping spout, through the utility model discloses, realized the in-process to the patient blood collection, with sheltering from of protection head to the blood taking needle syringe needle, avoid the patient to see the syringe needle, reduce children and have psychological shadow patient's fear and nervous degree to the syringe needle, reduced the degree of difficulty of blood sampling work to after the patient indicates the abdominal bleeding, in time with the blood suction capillary straw, reduce the step of changing the apparatus, improved the efficiency of work.

Description

Disposable push type blood taking needle

Technical Field

The utility model relates to the technical field of blood taking needles, in particular to a disposable push type blood taking needle.

Background

The blood taking needle is a tool for collecting blood samples of patients in the process of medical examination, generally comprises a needle head and a needle rod, and currently, when doctors take blood samples for examination, the fingers of the patients are punctured by the blood taking needle, then the finger pulp of the fingers of the patients is squeezed by hands to force the blood to flow out, and then the blood of the patients is sucked by a capillary suction tube for collection and examination.

In present current disposable push type blood taking needle, for example in the technical structure of application for file CN201621225214.X, including casing and blood taking needle, the casing is hollow circular cylinder, the blood taking needle sets up in the casing, the blood taking needle sets up on the needle body mount pad, the front end setting of needle body mount pad is in the needle body launching catheter, the rear end of needle body mount pad is fixed with the tail end base through the rear end spring, needle body launching catheter front end is equipped with out the pinhole, and the side is equipped with the arch, and shells inner wall is equipped with corresponding guide rail, and the front end of needle body mount pad is equipped with leading spring, and the device has realized the blood collection to the patient, but presses back syringe needle and will expose, to children and some patients who have psychological shadow to the syringe needle, before the puncture, just can have the circumstances of dodging with fear to the circumstances that can appear dodging, increase the degree of difficulty of blood sampling work.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is too single technical problem to prior art solution, provides and is showing and is different from prior art's solution, specifically the utility model mainly provides a disposable push type blood taking needle for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a disposable push type blood taking needle, includes push type blood sampling mechanism, push type blood sampling mechanism includes casing and lid, be provided with first inner chamber and second inner chamber in the casing, the inner wall upper surface intermediate position of first inner chamber is provided with the positioning seat, be provided with the blood taking needle on the positioning seat, the inner wall of first inner chamber all is provided with spacing spout all around, every the equal sliding connection of spacing spout has spacing slider, every spacing slider upside all is provided with reset spring, reset spring upper end and spacing spout inner wall interconnect, four be provided with the protection head on the spacing slider jointly, be sliding connection between protection head inner chamber passageway and the blood taking needle, be provided with capillary straw, damping slider and damping spout in the second inner chamber, the capillary straw joint is on the recess of damping slider one side, is sliding connection between damping slider and the damping spout, the damping spout sets up in second inner chamber inner wall one side.

Furthermore, a connecting hose is inserted at the upper end of the capillary suction pipe, a rubber head air bag is arranged at the upper end of the connecting hose, and the rubber head air bag is positioned on the upper side of the outer wall of the shell.

Furthermore, a pushing handle is arranged on one side, away from the damping sliding groove, of the damping sliding block and is connected with the opening in the side wall of the shell in a sliding mode.

Furthermore, both sides of the outer wall of the shell are provided with contact type anti-skidding blocks.

Furthermore, a side cover plate is rotatably connected to the opening position on one side of the shell.

Furthermore, the upper edge position of lid inner wall both sides all is provided with the lug, every the equal joint of lug is fluted, and the recess is located the lower edge position of casing outer wall both sides.

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

the utility model discloses a casing that sets up, first inner chamber, spacing spout, reset spring, spacing slider, the protection head, contact non slipping spur, positioning seat and blood taking needle, realized at the in-process to patient's collection blood sample, with sheltering from of protection head to the blood taking needle syringe needle, avoid the patient to see the syringe needle, reduce children and have psychological shadow patient's fear and nervous degree to the syringe needle, the degree of difficulty of blood sampling work has been reduced, after pricking patient's finger abdomen, avoided the syringe needle to expose outside, prevent cross infection, and by the second inner chamber, the capillary straw, the damping slider, the damping spout, promote the handle, mutually support between gluey head gasbag and the coupling hose, after patient indicates the abdominal bleeding, in time with blood suction capillary straw, reduce the step of changing the apparatus, the efficiency of work is improved, the convenience very of operation.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the housing and the cover of the present invention;

fig. 3 is a schematic cross-sectional view of the internal structure of the housing according to the present invention.

In the figure: 1. a pressing type blood sampling mechanism; 11. a housing; 111. a first lumen; 112. a second lumen; 113. a groove; 12. a cover body; 121. a bump; 13. positioning seats; 131. a blood collection needle; 14. a limiting chute; 141. a return spring; 142. a limiting slide block; 15. protecting the head; 16. a contact type anti-skid block; 17. a side cover plate; 2. a capillary pipette; 21. a damping slider; 22. a damping chute; 23. pushing the handle; 24. a rubber head air bag; 25. a hose is connected.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, and on the contrary, these embodiments are provided so as to make the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3 heavily, a disposable push type blood taking needle comprises a push type blood taking mechanism 1, wherein the push type blood taking mechanism 1 comprises a housing 11 and a cover 12, a first inner cavity 111 and a second inner cavity 112 are arranged in the housing 11, a positioning seat 13 is arranged at the middle position of the upper surface of the inner wall of the first inner cavity 111, a blood taking needle 131 is arranged on the positioning seat 13, a limiting sliding groove 14 is arranged around the inner wall of the first inner cavity 111, each limiting sliding groove 14 is connected with a limiting sliding block 142 in a sliding manner, a return spring 141 is arranged on the upper side of each limiting sliding block 142, the upper end of each return spring 141 is connected with the inner wall of the corresponding limiting sliding groove 14, a protective head 15 is arranged on the four limiting sliding blocks 142, an inner cavity channel of the protective head 15 is connected with the blood taking needle 131 in a sliding manner, a capillary straw 2, a damping sliding block 21 and a damping sliding groove 22 are arranged in the second inner cavity 112, the capillary straw 2 is clamped on one side of the damping sliding block 21, the damping sliding manner is connected with the damping sliding groove 22, and the sliding groove 22 is arranged on one side of the inner wall of the second inner cavity 112.

The structure realizes the shielding of the needle head of the blood taking needle 131 by the protective head 15 in the process of blood collection of a patient through the pressing type blood collecting mechanism 1, so that the patient is prevented from seeing the needle head, the fear and tension degree of children and patients with psychological shadows on the needle head are reduced, the difficulty of blood collection is reduced, and after the finger abdominalis of the patient bleed, the blood is timely sucked into the capillary suction tube 2, the steps of instrument replacement are reduced, and the working efficiency is improved;

the specific operation is as follows, firstly, whether each device on the whole device is damaged is checked, after no damage is ensured, the finger pulp of a patient is wiped by a disinfection wet tissue, then the cover body 12 is taken down from the shell body 11, two contact type anti-slip blocks 16 are pinched, the shell body 11 is vertical, then the protection head 15 is vertically pressed downwards, the protection head 15 retracts under the elastic force of the skin, the reset spring 141 is compressed, the needle head of the blood taking needle 131 protrudes and pierces the skin to cause micro-wound, after the blood taking needle 131 is pulled out, the protection head 15 resets under the action of the reset spring 141, the needle head of the blood taking needle 131 is covered to avoid the needle head from being exposed to be polluted or accidentally stabbed the human body, then the protection head is pulled downwards to push the handle 23, the lower end of the capillary suction tube 2 is pushed out of the shell body 11 through the damping slide block 21, the rubber head air bag 24 is pinched, when the lower end of the capillary suction tube 2 is in contact with the blood, the rubber head air bag 24 is loosened, the blood is sucked into the capillary suction tube 2, and then the side cover plate 17 can be opened to take out the capillary suction tube 2.

Please refer to fig. 1 and fig. 2, two sides of the outer wall of the housing 11 are provided with contact type anti-slip blocks 16, the medical care personnel can press down the protection head 15 by applying force through the contact type anti-slip blocks 16, the opening position of one side of the housing 11 is rotatably connected with a side cover plate 17, the side cover plate 17 can open the second inner cavity 112 after blood is sucked into the capillary pipette 2, the capillary pipette 2 can be taken out, the upper edges of two sides of the inner wall of the cover 12 are provided with protrusions 121, each protrusion 121 is clamped with a groove 113, the grooves 113 are located at the lower edge positions of two sides of the outer wall of the housing 11, and the cover 12 is clamped at the lower edge position of the outer wall of the housing 11 by the mutual cooperation between the protrusions 121 and the grooves 113.

Please refer to fig. 1 and fig. 3 again, a connection hose 25 is inserted into the upper end of the capillary suction tube 2, the connection hose 25 is provided with a rubber head air bag 24 at the upper end, the rubber head air bag 24 is located at the upper side of the outer wall of the housing 11, negative pressure is formed in the capillary suction tube 2 through the rubber head air bag 24, blood on the finger abdomen of the patient is sucked into the capillary suction tube 2, a push handle 23 is arranged on one side of the damping slider 21 away from the damping chute 22, the push handle 23 is slidably connected with an opening on the side wall of the housing 11, and by pushing the handle 23, the provision of a force application point is realized, so that medical personnel can move the lower end of the capillary suction tube 2 out of the second inner cavity 112 of the housing 11.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims (6)

1. A disposable pressing type blood taking needle, which comprises a pressing type blood taking mechanism (1), it is characterized in that the pressing type blood sampling mechanism (1) comprises a shell (11) and a cover body (12), a first inner cavity (111) and a second inner cavity (112) are arranged in the shell (11), a positioning seat (13) is arranged in the middle of the upper surface of the inner wall of the first inner cavity (111), a blood taking needle (131) is arranged on the positioning seat (13), limiting sliding grooves (14) are formed in the periphery of the inner wall of the first inner cavity (111), each limiting sliding groove (14) is connected with a limiting sliding block (142) in a sliding mode, a return spring (141) is arranged on the upper side of each limiting sliding block (142), the upper ends of the return springs (141) are mutually connected with the inner wall of each limiting sliding groove (14), protective heads (15) are jointly arranged on the four limiting sliding blocks (142), the inner cavity channel of the protective head (15) is connected with the blood taking needle (131) in a sliding way, the second inner cavity (112) is internally provided with a capillary suction pipe (2), a damping slide block (21) and a damping chute (22), the capillary suction pipe (2) is clamped on a groove at one side of the damping slide block (21), the damping slide block (21) is connected with the damping sliding groove (22) in a sliding way, the damping chute (22) is arranged on one side of the inner wall of the second inner cavity (112).

2. The disposable pressing type blood taking needle as claimed in claim 1, wherein a connecting hose (25) is inserted into the upper end of the capillary suction tube (2), a rubber head air bag (24) is arranged at the upper end of the connecting hose (25), and the rubber head air bag (24) is positioned at the upper side of the outer wall of the shell (11).

3. The disposable push type blood taking needle of claim 1, wherein the damping slider (21) is provided with a pushing handle (23) at a side away from the damping chute (22), and the pushing handle (23) is slidably connected with the opening on the side wall of the housing (11).

4. The disposable push type blood taking needle according to claim 3, wherein both sides of the outer wall of the housing (11) are provided with contact type anti-slip blocks (16).

5. The disposable push type lancet according to claim 4, wherein a side cover plate (17) is rotatably attached to an opening position of one side of the housing (11).

6. The disposable push type blood taking needle as claimed in claim 1, wherein the upper edge positions of both sides of the inner wall of the cover body (12) are provided with projections (121), each projection (121) is clamped with a groove (113), and the grooves (113) are positioned at the lower edge positions of both sides of the outer wall of the housing (11).

Images