CN212651166U

CN212651166U - Venous indwelling needle capable of being operated by single hand

Info

Publication number: CN212651166U
Application number: CN201922180446.8U
Authority: CN
Inventors: 雒如蓝
Original assignee: Suzhou Municipal Hospital
Current assignee: Suzhou Municipal Hospital
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2021-03-05
Anticipated expiration: 2029-12-09

Abstract

The utility model belongs to the technical field of the medical health technique and specifically relates to a but needle is kept somewhere to vein of one-hand operation, including the helmet, the helmet is embedded to have the pjncture needle, just the pjncture needle outer wall cover has inlayed and keeps somewhere the hose, the helmet right side is connected with the handle through preceding tee bend, handle outer wall surface is equipped with folding mechanism, handle right side swing joint has the puncture needle file, just puncture needle file right side is equipped with protection mechanism, one side that handle outer wall surface is not located folding mechanism is connected with the extension pipe, just the surface of extension pipe has cup jointed only liquid and has pressed from both sides, the other end of extension pipe has the needleless connector through back tee bend connection. The utility model discloses a be equipped with beta structure, be connected the shrinkage pool on magnetic suction head on with the cylinder pole and the square pole through the pivot, can form right angle triangle-shaped form, need not the left hand help when puncturing the vein for dysphoria, the lax patient of skin, the one hand just can send into the vein with keeping somewhere the hose.

Description

Venous indwelling needle capable of being operated by single hand

Technical Field

The utility model relates to the technical field of medical treatment and health, in particular to a vein indwelling needle capable of being operated by one hand.

Background

The venous indwelling needle consists of a stainless steel core, a soft outer sleeve and a plastic needle seat. The indwelling needle is also called vein trocar, the components of the core comprise a flexible catheter/cannula which can be detained in the blood vessel and a stainless puncture guiding needle core, when in use, the catheter and the needle core are punctured into the blood vessel together, when the catheter completely enters the blood vessel, the needle core is withdrawn, and only the flexible catheter is detained in the blood vessel so as to carry out transfusion treatment.

When the existing indwelling needle used clinically is used for delivering a hose, two hands are usually required to cooperate with each other, and when a patient is irritated and not matched or the skin of the patient is loose, a steel needle is easy to puncture a blood vessel or slide out of the blood vessel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects that the vein indwelling needle can not be operated by one hand and easily stabs the nurse, and providing the vein indwelling needle which can be operated by one hand.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design one hand operation's vein is stayed needle, including protecting the cap, it has the pjncture needle to protect the cap to embed, just pjncture needle outer wall cover has inlayed and has kept somewhere the hose, it is connected with the handle through preceding tee bend to protect the cap right side, handle outer wall surface is equipped with folding mechanism, handle right side swing joint has the puncture needle file, just puncture needle file right side is equipped with protection machanism, one side that handle outer wall surface is not located folding mechanism is connected with the extension pipe, just the surface of extension pipe has cup jointed only the liquid clamp, the other end of extension pipe has needleless connector through back tee junction, the needleless connector lateral wall is connected with white cap through the connecting pipe.

Preferably, folding mechanism includes left rubber groove, cylinder pole, pivot, right rubber groove and square pole, left side rubber groove with right side rubber groove all locates handle outer wall surface, just left side rubber groove cross-sectional area slightly littleer with right side rubber groove cross-sectional area, the quantity of pivot is two, two the pivot is all located handle outer wall surface, and two the pivot all is located left side rubber groove with between the right rubber groove, the cylinder pole top is equipped with the magnetic suction head, just cylinder pole bottom cover inlays in the left side the pivot, the shrinkage pool has been seted up to the square pole side, just the square pole bottom cover inlays in the right side the pivot.

Preferably, the cylindrical rod and the square rod can rotate one hundred eighty degrees through the rotating shaft, the cylindrical rod is matched with the left rubber groove in size structure, and the square rod is matched with the right rubber groove in size structure.

Preferably, the protection machanism includes spring, stopper, lag, slide and spacing hole, handle outer wall surface is seted up flutedly, the perpendicular fixed connection in recess inner chamber bottom of one end of spring, stopper fixed connection in the other end of spring, the slide with spacing hole is all seted up in lag inner chamber surface, just spacing hole site is in slide one end, the stopper with the big small structure phase-match in spacing hole, the handle can overlap inlay in the lag inner chamber, just the lag is detachable construction.

Preferably, the puncture needle penetrates through the handle, one end of the puncture needle is fixedly connected to the puncture needle seat, and the length of the indwelling hose is smaller than that of the puncture needle.

The utility model provides a but needle is kept somewhere to vein of one-hand operation, beneficial effect lies in:

1. the utility model has the advantages that the folding structure is arranged, the magnetic suction head on the cylindrical rod is connected with the concave hole on the square rod through the rotating shaft, the right-angle triangular shape can be formed, the fixed point is formed on the handle, the left hand is not needed for help when the vein is punctured for the patient with dysphoria and loose skin, the indwelling hose can be sent into the vein by one hand, and the cylindrical rod and the square rod can be directly taken into the rubber groove after the vein is punctured, so that the operation is simple, rapid and safe and convenient;

2. the utility model discloses a be equipped with protection machanism, stopper accessible spring slides in the slide on the lag, and until sliding into spacing downthehole, realize the fixed of puncture needle file, when taking out the pjncture needle, can directly remove the lag, can effectually play the guard action to the nurse, the protection nurse is not pricked by the pjncture needle, very big improvement the security of nurse when carrying out puncture vein to patient.

Drawings

Fig. 1 is a schematic view of the overall structure of a venous indwelling needle which can be operated with one hand according to the present invention;

fig. 2 is a schematic view of a folding mechanism of a vein indwelling needle that can be operated with one hand according to the present invention;

FIG. 3 is a schematic view of a protection mechanism of a single-handed operated venous indwelling needle according to the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;

fig. 5 is a schematic view of the internal structure of the protective cover of the venous indwelling needle which can be operated with one hand according to the present invention.

In the figure: 1. a protective cap; 2. puncturing needle; 3. a hose is left; 4. a handle; 5. a puncture needle seat; 6. an extension tube; 7. liquid stopping clips; 8. a needleless connector; 9. a white cap; 10. a left rubber groove; 11. a cylindrical rod; 12. a rotating shaft; 13. a magnetic suction head; 14. a right rubber groove; 15. a square bar; 16. concave holes; 17. a spring; 18. a limiting block; 19. a protective sleeve; 20. a slideway; 21. and a limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a vein indwelling needle capable of being operated by one hand comprises a protective cap 1, a puncture needle 2 is embedded in the protective cap 1, an indwelling hose 3 is embedded in the outer wall of the puncture needle 2 in a sleeved mode, the right side of the protective cap 1 is connected with a handle 4 through a front tee joint, a folding mechanism is arranged on the surface of the outer wall of the handle 4, a puncture needle seat 5 is movably connected to the right side of the handle 4, a protection mechanism is arranged on the right side of the puncture needle seat 5, an extension tube 6 is connected to one side, opposite to the folding mechanism, of the surface of the outer wall of the handle 4, a liquid stopping clamp 7 is sleeved on the outer surface of the extension tube 6, the other end of the extension tube 6 is.

The folding mechanism comprises a left rubber groove 10, a cylindrical rod 11, rotating shafts 12, a right rubber groove 14 and a square rod 15, the left rubber groove 10 and the right rubber groove 14 are both arranged on the outer wall surface of the handle 4, the cross sectional area of the left rubber groove 10 is slightly smaller than that of the right rubber groove 14, the number of the rotating shafts 12 is two, the two rotating shafts 12 are both arranged on the outer wall surface of the handle 4, the two rotating shafts 12 are both positioned between the left rubber groove 10 and the right rubber groove 14, a magnetic suction head 13 is arranged at the top of the cylindrical rod 11, the bottom of the cylindrical rod 11 is sleeved on the left rotating shaft 12, a concave hole 16 is formed in the side surface of the square rod 15, and the bottom of the square; the magnetic suction head 13 on the cylindrical rod 11 is connected with the concave hole 16 on the square rod 15 through the rotating shaft 12 to form a right-angled triangle shape, a fixed point is formed on the handle 4, and the indwelling hose 3 can be sent into the vein by one hand without the help of the left hand when the vein is punctured for a patient with dysphoria and loose skin.

The cylindrical rod 11 and the square rod 15 can rotate one hundred eighty degrees through the rotating shaft 12, the cylindrical rod 11 is matched with the left rubber groove 10 in size structure, and the square rod 15 is matched with the right rubber groove 14 in size structure; after the puncture of the vein is completed, the cylindrical rod 11 and the square rod 15 can be put into the rubber groove, and the indwelling hose 3 can be fixed.

The protection mechanism comprises a spring 17, a limiting block 18, a protection sleeve 19, a slide way 20 and a limiting hole 21, a groove is formed in the surface of the outer wall of the handle 4, one end of the spring 17 is vertically and fixedly connected to the bottom of an inner cavity of the groove, the limiting block 18 is fixedly connected to the other end of the spring 17, the slide way 20 and the limiting hole 21 are both formed in the surface of the inner cavity of the protection sleeve 19, the limiting hole 21 is located at one end of the slide way 20, the limiting block 18 is matched with the limiting hole 21 in size and structure, the handle 4 can be sleeved in the inner cavity of the protection; stopper 18 accessible spring 17 slides in slide 20 on lag 19, until sliding into spacing hole 21 in, realizes the fixed of puncture needle file 5, when taking out pjncture needle 2, can directly remove lag 19, can effectually play the guard action to the nurse, the protection nurse is not pricked by pjncture needle 2.

The puncture needle 2 penetrates through the handle 4, one end of the puncture needle 2 is fixedly connected with the puncture needle base 5, and the length of the indwelling hose 3 is smaller than that of the puncture needle 2; the puncture needle 2 can be completely taken out of the vein of the human body, and the puncture needle seat 5 has enough length to stay in the inner cavity of the handle 4 and the inner cavity of the protective sleeve 19 so as to prevent the puncture needle 2 from being exposed.

When in use, the utility model relates to a vein indwelling needle capable of being operated by one hand, when puncturing veins of a patient, firstly, the protective cap 1 is opened, the puncture needle 2 is loosened, a tourniquet is pricked ten centimeters above the puncture needle 2, two percent of iodophor disinfection puncture part skin is twice, the skin is tightened by the left hand, the inclined plane of the needle head of the puncture needle 2 upwards forms an included angle of fifteen to thirty degrees with the skin of the puncture point, the needle is inserted above the veins, after blood return occurs, the puncture angle is reduced downwards, two millimeters are pricked again along the blood vessel direction, through the arranged folding mechanism, the magnetic suction head 13 on the cylindrical rod 11 is connected with the concave hole 16 on the square rod 15 by the rotating shaft 12, a right-angled triangle shape can be formed, a fixed point is formed on the handle 4, when puncturing veins of dysphoria and patients with loose skin, the left hand is not needed to be helped, the indwelling hose 3 can be sent into the veins, stopper 18 accessible spring 17 slides in slide 20 on lag 19, until sliding into spacing hole 21 in, realize puncture needle file 5 fixed, when taking out pjncture needle 2, can directly remove lag 19, can effectually play the guard action to the nurse, the protection nurse is not pricked by pjncture needle 2, after puncture vein is accomplished, can take in the rubber groove with cylinder pole 11 and square bar 15, keep somewhere fixing of hose 3 again, this is whole utility model's use flow.

The above, 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

1. A vein indwelling needle capable of being operated by one hand comprises a protective cap (1) and is characterized in that a puncture needle (2) is embedded in the protective cap (1), an indwelling hose (3) is sleeved on the outer wall of the puncture needle (2), the right side of the protective cap (1) is connected with a handle (4) through a front tee joint, the outer wall surface of the handle (4) is provided with a folding mechanism, the right side of the handle (4) is movably connected with a puncture needle seat (5), a protection mechanism is arranged on the right side of the puncture needle seat (5), an extension tube (6) is connected on one side of the outer wall surface of the handle (4) opposite to the folding mechanism, the outer surface of the extension tube (6) is sleeved with a liquid stopping clamp (7), the other end of the extension tube (6) is connected with a needleless connector (8) through a rear tee joint, the side wall of the needleless connector (8) is connected with a white cap (9) through a connecting pipe.

2. The venous indwelling needle capable of being operated by one hand according to claim 1, wherein the folding mechanism comprises a left rubber groove (10), a cylindrical rod (11), a rotating shaft (12), a right rubber groove (14) and a square rod (15), the left rubber groove (10) and the right rubber groove (14) are both arranged on the outer wall surface of the handle (4), the cross sectional area of the left rubber groove (10) is slightly smaller than that of the right rubber groove (14), the number of the rotating shafts (12) is two, the two rotating shafts (12) are both arranged on the outer wall surface of the handle (4), the two rotating shafts (12) are both arranged between the left rubber groove (10) and the right rubber groove (14), a magnetic suction head (13) is arranged at the top of the cylindrical rod (11), the bottom of the cylindrical rod (11) is sleeved and embedded in the rotating shaft (12) at the left side, a concave hole (16) is arranged on the side of the square rod (15), and the bottom of the square rod (15) is sleeved and embedded on the right side of the rotating shaft (12).

3. The venous indwelling needle capable of being operated by one hand according to claim 2, wherein the cylindrical rod (11) and the square rod (15) can rotate by one hundred and eighty degrees through the rotating shaft (12), the cylindrical rod (11) is matched with the size structure of the left rubber groove (10), and the square rod (15) is matched with the size structure of the right rubber groove (14).

4. The one-handed venous indwelling needle of claim 1, the protection mechanism comprises a spring (17), a limit block (18), a protection sleeve (19), a slide way (20) and a limit hole (21), a groove is formed on the outer wall surface of the handle (4), one end of the spring (17) is vertically and fixedly connected with the bottom of the inner cavity of the groove, the limiting block (18) is fixedly connected to the other end of the spring (17), the slide way (20) and the limiting hole (21) are both arranged on the surface of the inner cavity of the protective sleeve (19), the limiting hole (21) is positioned at one end of the slideway (20), the limiting block (18) is matched with the size structure of the limiting hole (21), the handle (4) can be sleeved in the inner cavity of the protective sleeve (19), and the protective sleeve (19) is of a detachable structure.

5. The venous indwelling needle capable of being operated by one hand according to claim 1, wherein the puncture needle (2) penetrates through the handle (4), one end of the puncture needle (2) is fixedly connected to the puncture needle seat (5), and the length of the indwelling hose (3) is less than that of the puncture needle (2).