CN216876534U - Artery puncture needle device for measuring blood oxygen saturation and blood pressure - Google Patents

Abstract

The utility model discloses an artery puncture needle device for measuring oxyhemoglobin saturation and blood pressure, which comprises a tube body, wherein a fixing tube is sleeved at the left end of the tube body, a sleeve is communicated at the left side of the fixing tube, a needle core is communicated at the left side of the tube body, through the arrangement of a hair surface and a hook surface, the two ends of a bandage can be bound on the wrist of a patient to fix the fixing plate, the phenomenon that the fixing plate moves is avoided, through the arrangement of the reaction force of a spring, a moving block is driven by the spring to move oppositely, the moving block drives a limiting rod to be spliced with the connecting part of a limiting groove, the fixing tube is clamped, the fixing tube keeps a fixed angle, the phenomenon that the fixing tube displaces to cause the bleeding phenomenon of an artery puncture point of the patient is avoided, through the arrangement of the structure, the artery puncture needle device has the advantage of good fixing effect, and the problem that the existing artery puncture needle device has poor fixing effect is solved, thereby facilitating use of the device.

Description

Artery puncture needle device for measuring blood oxygen saturation and blood pressure

Technical Field

The utility model relates to the technical field of arterial puncture needles, in particular to an arterial puncture needle device for measuring blood oxygen saturation and blood pressure.

Background

The product performance structure and the composition product of the arteriovenous puncture needle consist of an AVF needle tube, an inner core with a rotatable bulge, an AVF rotatable bulge, a clamp, an inner cone joint, a locking cap and a blood sampling tube, and are disposable, after the catheter is inserted into the artery, the needle core needs to be pulled out, then the external catheter connector is connected with the tail end of the catheter, the blood pressure and the blood oxygen saturation degree of the artery are measured, generally, the fixing mode of the opposite tube adopts a fixing paste and is bonded, after the fixing paste is used for a certain time, the viscosity of the fixing paste is reduced, so that the fixing paste is loosened, the condition of bleeding of the wrist artery of a patient is caused, the existing artery puncture needle device has the defect of poor fixing effect, thus, it is not easy to use the device, and for this reason, we propose an arterial puncture needle device for measuring the oxygen saturation level of blood and the blood pressure, solving the problems proposed above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an arterial puncture needle device for measuring blood oxygen saturation and blood pressure, which has the advantage of good fixing effect and solves the problem of poor fixing effect of the conventional arterial puncture needle device.

In order to achieve the purpose, the utility model provides the following technical scheme: an artery puncture needle device for measuring blood oxygen saturation and blood pressure comprises a tube body, wherein a fixed tube is sleeved at the left end of the tube body, the left side of the fixed tube is communicated with a sleeve, the left side of the tube body is communicated with a needle core, the left side of the needle core extends to the left side of the sleeve, the right side of the needle core extends to the inner cavity of the tube body, a fixed plate is arranged at the bottom of the fixed tube, a binding band is fixedly connected to the bottom of the fixed plate, a hair surface is arranged at the front end of the inner side of the binding band, a hook surface is arranged at the rear end of the outer side of the binding band, springs are fixedly connected to the tops of the front surface and the back surface of the fixed plate respectively, a moving block is fixedly connected to the far end of each spring respectively, a limiting rod is fixedly connected to the near side of each moving block respectively, limiting grooves are formed in the front end and the rear end of the fixed tube respectively, and the near end of each limiting rod is spliced with the connecting part of the limiting grooves respectively, the outer surface of the limiting rod is connected with the inner surface of the spring in a sliding mode.

Preferably, the top of the front surface and the back surface of the fixing plate and the position matched with the limiting rod for use are both provided with through holes, and the outer surface of the limiting rod is connected with the inner surface of the through holes in a sliding mode.

Preferably, the bottom of the inner cavity of the fixing plate is fixedly connected with a protection pad, and the protection pad is made of sponge.

Preferably, the right side of body is provided with the tube cap, the left side fixedly connected with of tube cap is sealed to fill up, the surface that fills up is pegged graft with the internal surface of body.

Preferably, the sealing gasket is made of rubber, and anti-skidding grains are arranged on the outer surface of the sealing gasket.

Preferably, the outer surface of the stylet is in sliding connection with the inner surface of the sleeve, and the bottom of the fixing plate is designed into an arc surface.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, by arranging the hair surface and the hook surface, two ends of the binding band can be bound on the wrist of a patient to fix the fixing plate, so that the phenomenon of position movement of the fixing plate is avoided, the spring drives the movable block to move oppositely by setting the reaction force of the spring, the movable block drives the limiting rod to be spliced with the connecting part of the limiting groove, the fixing tube is clamped, the fixing tube keeps a fixed angle, and the phenomenon that the fixing tube is displaced to cause bleeding of an artery puncture point of the patient is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side sectional view of the mounting plate structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at a;

fig. 4 is a three-dimensional exploded view of the sleeve and tube structure of the present invention.

In the figure: 1. a pipe body; 2. a fixed tube; 3. a sleeve; 4. a needle core; 5. a fixing plate; 6. binding a belt; 7. rough surface; 8. hooking the noodles; 9. a spring; 10. a moving block; 11. a limiting rod; 12. a limiting groove; 13. a through hole; 14. a pad; 15. a tube cover; 16. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, an arterial puncture needle device for measuring blood oxygen saturation and blood pressure comprises a tube body 1, a fixed tube 2 is sleeved at the left end of the tube body 1, a sleeve 3 is communicated with the left side of the fixed tube 2, a needle core 4 is communicated with the left side of the tube body 1, the left side of the needle core 4 extends to the left side of the sleeve 3, the right side of the needle core 4 extends to the inner cavity of the tube body 1, a fixed plate 5 is arranged at the bottom of the fixed tube 2, a binding band 6 is fixedly connected to the bottom of the fixed plate 5, a hair surface 7 is arranged at the front end of the inner side of the binding band 6, a hook surface 8 is arranged at the rear end of the outer side of the binding band 6, springs 9 are fixedly connected to the top of the front and back surfaces of the fixed plate 5, a moving block 10 is fixedly connected to one end of each spring 9, a limiting rod 11 is fixedly connected to one side of each moving block 10, a limiting groove 12 is arranged at the front end and the rear end of the fixed tube 2, one end of each limiting rod 11 is respectively spliced to the connecting position of the limiting groove 12, the surface of gag lever post 11 and spring 9's internal surface sliding connection, through setting up matte 7 and hook face 8, can bind the both ends of bandage 6 at patient's wrist, fix fixed plate 5, avoid fixed plate 5 the phenomenon that the position removed to appear, through the reaction force that sets up spring 9, make spring 9 drive movable block 10 remove in opposite directions, movable block 10 drives the junction of gag lever post 11 and spacing groove 12 and pegs graft, carry out the centre gripping to fixed pipe 2, make fixed pipe 2 keep fixed angle, avoid fixed pipe 2 to take place the displacement phenomenon, cause the hemorrhage phenomenon of patient's artery puncture point, the better advantage of fixed effect has been possessed.

Referring to fig. 3, through holes 13 are formed in the top of the front and back of the fixing plate 5 and at positions matched with the limiting rod 11 for use, the outer surface of the limiting rod 11 is slidably connected with the inner surface of the through hole 13, and the through hole 13 is formed to facilitate guiding of the limiting rod 11.

Referring to fig. 2, a protection pad 14 is fixedly connected to the bottom of the inner cavity of the fixing plate 5, the protection pad 14 is made of sponge, and the protection pad 14 is arranged to facilitate flexible support of the bottom of the fixing tube 2 and improve the fixing effect of the fixing tube 2.

Referring to fig. 1, a tube cover 15 is disposed on the right side of the tube body 1, a sealing gasket 16 is fixedly connected to the left side of the tube cover 15, the outer surface of the sealing gasket 16 is inserted into the inner surface of the tube body 1, and the tube cover 15 and the sealing gasket 16 are disposed to facilitate sealing the tube body 1 and discharging blood in the inner cavity of the tube body 1.

Referring to fig. 1, the gasket 16 is made of rubber, and the outer surface of the gasket 16 is provided with anti-slip threads.

Referring to fig. 1 and 2, the outer surface of the stylet 4 is slidably connected to the inner surface of the cannula 3, and the bottom of the fixing plate 5 is designed to be a cambered surface.

When the device is used, the tube body 1 drives the fixed tube 2 to move, the needle core 4 is obliquely pricked into an arterial blood vessel through a puncture point, the sleeve 3 also extends into the arterial blood vessel, at the moment, blood in the arterial blood vessel flows into the inner cavity of the tube body 1 along with pressure, at the moment, the fixed tube 2 is separated from the tube body 1, the tube body 1 drives the needle core 4 to be far away from the sleeve 3, the blood flows into the fixed tube 2 through the sleeve 3, at the moment, an external conduit joint is connected with one end of the fixed tube 2, the blood pressure and the blood oxygen saturation of the artery are measured, at the same time, the fixed plate 5 drives the bandage 6 to move to the lower part of the fixed tube 2, the two ends of the bandage 6 can be tied on the wrist of a patient through the hair surface 7 and the hook surface 8, the fixed plate 5 is fixed, the phenomenon of position movement of the fixed plate 5 is avoided, at the moment, the moving block 10 drives the limiting rod 11 to move back to the back, stretch spring 9, and the reaction force of spring 9, make spring 9 drive movable block 10 remove in opposite directions, movable block 10 drives gag lever post 11 and pegs graft with the junction of spacing groove 12, carry out the centre gripping to fixed pipe 2, make fixed pipe 2 keep fixed angle, avoid fixed pipe 2 to take place the displacement phenomenon, cause the hemorrhage phenomenon of patient's artery puncture point, improve its fixed effect, through setting up above structure, the better advantage of fixed effect has been possessed, the current artery puncture needle device of having solved has had the relatively poor problem of fixed effect, thereby be favorable to using the device.

Claims (6)

1. An artery puncture needle device for measuring blood oxygen saturation and blood pressure comprises a tube body (1), and is characterized in that: the left end of the tube body (1) is sleeved with a fixed tube (2), the left side of the fixed tube (2) is communicated with a sleeve (3), the left side of the tube body (1) is communicated with a needle core (4), the left side of the needle core (4) extends to the left side of the sleeve (3), the right side of the needle core (4) extends to an inner cavity of the tube body (1), the bottom of the fixed tube (2) is provided with a fixed plate (5), the bottom of the fixed plate (5) is fixedly connected with a binding band (6), the front end of the inner side of the binding band (6) is provided with a hair surface (7), the rear end of the outer side of the binding band (6) is provided with a hook surface (8), the tops of the front and the back of the fixed plate (5) are fixedly connected with springs (9), the ends, far away from the springs (9), are respectively and fixedly connected with a moving block (10), and one side, close to the moving block (10), is respectively and fixedly connected with a limiting rod (11), spacing groove (12) have all been seted up with the rear end to the front end of fixed pipe (2), the one end that gag lever post (11) is close to mutually is pegged graft with the junction of spacing groove (12) respectively, the surface of gag lever post (11) and the internal surface sliding connection of spring (9).

2. An arteriopuncture needle device for measuring blood oxygen saturation and blood pressure as set forth in claim 1 wherein: through-hole (13) have all been seted up at the top of fixed plate (5) front and back and the position that cooperatees and use with gag lever post (11), the internal surface sliding connection of the surface of gag lever post (11) and through-hole (13).

3. An arterial needle device for measuring blood oxygen saturation and blood pressure as claimed in claim 1 wherein: the bottom of the inner cavity of the fixing plate (5) is fixedly connected with a protection pad (14), and the protection pad (14) is made of sponge.

4. An arteriopuncture needle device for measuring blood oxygen saturation and blood pressure as set forth in claim 1 wherein: the right side of body (1) is provided with tube cap (15), the sealed pad (16) of left side fixedly connected with of tube cap (15), the surface of sealed pad (16) is pegged graft with the internal surface of body (1).

5. An arterial needle device for measuring blood oxygen saturation and blood pressure as claimed in claim 4 wherein: the material of sealed pad (16) is rubber, the surface of sealed pad (16) is equipped with anti-skidding line.

6. An arterial needle device for measuring blood oxygen saturation and blood pressure as claimed in claim 1 wherein: the outer surface of the needle core (4) is in sliding connection with the inner surface of the sleeve (3), and the bottom of the fixing plate (5) is designed into an arc surface.

Images