CN217854064U - Novel non-destructive needle for infusion port - Google Patents

Abstract

The utility model discloses a novel not damaged needle is used in infusion port, including needle body, infusion passageway and needle handle, the bottom of infusion passageway is provided with protective structure, and the connecting block is installed to one side on infusion passageway top, and one side of connecting block installs the protective sheath, and the internally mounted of protective sheath and connecting block has the pivot, and the outside of pivot installs torque spring, and one side of protective sheath bottom is provided with fixed knot and constructs, and fixed knot constructs including fixed block, expanding spring, stopper, fixture block, push rod and draw-in groove. The utility model discloses a push rod at the installation of protective sheath one side promotes the push rod for the fixture block takes off with the draw-in groove pine each other, removes the fixed restriction to the protective sheath, and under torque spring's effect, the protective sheath overturns, and the back of overturning, the needle body is in the inside of protective sheath, thereby can avoid appearing the needle body and stab medical personnel's the condition when pulling out the needle, realizes the purpose of protection.

Description

Novel non-destructive needle for infusion port

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a novel not damaged needle is used in infusion port.

Background

With the continuous development of medical instruments, a non-invasive needle for an infusion port is widely applied, and is a type of infusion needle specially designed for the infusion port and comprises a butterfly wing part and a needle body part, wherein a vertical part of a needle body is usually penetrated into the infusion port when the non-invasive needle is used, and then the butterfly wing part is attached to the skin of a patient to fix the non-invasive needle.

The patent specification with the publication number of CN211357159U discloses a non-traumatic needle for an infusion port, which comprises a needle seat, wherein one end of the needle seat is connected with an infusion tube, and the other end of the needle seat is connected with a needle head; one end of the infusion tube penetrates through the needle seat, and one end of the infusion tube is communicated with the needle head; the needle base is symmetrically provided with wing handles, the wing handles are provided with a plurality of hand clamping grooves, and the hand clamping grooves are symmetrically distributed on the side walls of the left side and the right side of the wing handles; the needle seat is provided with a liquid amount adjusting assembly, and the liquid amount adjusting assembly is used for adjusting the flow rate of the infusion tube. Through above-mentioned device part, not only can get into patient's internal with the syringe needle puncture with a comparatively convenient, stable centre gripping mode, simultaneously, can be in real time according to patient's infusion condition, the infusion velocity of flow is realized adjusting to the health condition.

The prior art scheme has the disadvantages that the non-damage needle for the transfusion port has poor protection effect, and medical personnel are easily stabbed when the needle is pulled out, so that the use safety of the non-damage needle is reduced.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a novel not damaged needle is used in infusion port for solve current not damaged needle for infusion port protective effect relatively poor defect.

The purpose of the utility model is realized through the following technical scheme:

1. a novel non-traumatic needle for a transfusion port comprises a needle body (3), a transfusion channel (5) and a needle handle (9), it is characterized in that the bottom end of the transfusion channel (5) is provided with a protective structure (4), one side of the top end of the transfusion channel (5) is provided with a connecting block (1), and one side of the connecting block (1) is provided with a protective sleeve (7), the protective sleeve (7) and the inside of the connecting block (1) are provided with a rotating shaft (10), a torsion spring (2) is arranged on the outer side of the rotating shaft (10), a fixing structure (6) is arranged on one side of the bottom end of the protective sleeve (7), the fixing structure (6) comprises a fixing block (601), a telescopic spring (602), a limiting block (603), a clamping block (604), a push rod (605) and a clamping groove (606), the limiting block (603) is hinged at the other side of the top end of the transfusion channel (5), one side of the limiting block (603) is provided with a clamping block (604), and one side of the clamping block (604) is provided with a clamping groove (606), one side of the clamping groove (606) is provided with a push rod (605), the bottom end of the other side of the limiting block (603) is provided with a telescopic spring (602), and one side of the extension spring (602) is provided with a fixed block (601), needle handles (9) are arranged at the two ends of the infusion channel (5);

one end of the needle handle (9) is uniformly provided with a convex block (8);

a needle body (3) is arranged on one side of the transfusion channel (5).

Compared with the prior art, the utility model discloses an advantage can have as follows to one or more embodiments:

the push rod is pushed by the push rod arranged on one side of the protective sleeve, so that the clamping block and the clamping groove are loosened, the fixing limit of the protective sleeve is removed, the protective sleeve is turned over under the action of the torsion spring, and after the turning, the needle body is positioned in the protective sleeve, so that the situation that the medical staff are stabbed by the needle body when the needle is pulled out can be avoided, and the purpose of protection is realized;

the gasket can prevent pressure damage caused by long-term skin attachment of the needle handles on the two sides through the gasket arranged at the bottom end of the infusion channel, so that the comfort level is improved, and the aim of fixation can be fulfilled through the attachment of the adhesive layer and the skin of a patient;

through the needle handle of installing at infusion passageway both ends, the needle handle of circular arc design, multiplicable and patient's skin area of contact, the protruding piece can increase the frictional force of finger and needle handle when medical personnel hold the needle, improves work efficiency, keeps somewhere the frictional force of protruding piece multiplicable needle handle and gasket after the success to avoid appearing taking off the condition of needle.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic three-dimensional structure diagram of the protective structure of the present invention;

FIG. 4 is a schematic view of a partial structure of the rotating shaft of the present invention;

fig. 5 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

As shown in fig. 1-5, the utility model provides a novel not damaged needle structure is used in infusion port, including needle body 3, infusion passageway 5 and needle handle 9, connecting block 1 is installed to one side on infusion passageway 5 top, and one side of connecting block 1 installs protective sheath 7, the internally mounted of protective sheath 7 and connecting block 1 has pivot 10, and torque spring 2 is installed in the outside of pivot 10, one side of protective sheath 7 bottom is provided with fixed knot structure 6, fixed knot structure 6 is including fixed block 601, expanding spring 602, stopper 603, fixture block 604, push rod 605 and draw-in groove 606, stopper 603 articulates the opposite side on infusion passageway 5 top, fixture block 604 is installed to one side of stopper 603, and one side of fixture block 604 is provided with draw-in groove 606, one side of draw-in groove 606 is provided with push rod 605, expanding spring 602 is installed to the bottom of stopper 603 opposite side, and one side of expanding spring 602 installs fixed block 601, fixed block 601 is fixed on infusion passageway 5, expanding spring 602 constitutes expanding structure with stopper 603, through expanding spring 602's use, be convenient for fixture block 604 and draw-in groove 606 block.

The clamping groove 606 is installed on the protection sleeve 7, the clamping groove 606 and the clamping block 604 form a clamping structure, and the clamping groove 606 and the clamping block 604 are loosened to release the fixing limitation on the protection sleeve 7.

The needle handles 9 are arranged at the two ends of the infusion channel 5, the needle handles 9 are designed in an arc shape, the needle handles 9 are symmetrically distributed about the center of the infusion channel 5, the contact area between the needle handles 9 designed in the arc shape and the skin of a patient can be increased, and the working efficiency is improved.

The one end of needle handle 9 is evenly installed protruding piece 8, and protruding piece 8 is circular design, and protruding piece 8 is equidistant range in the one end of needle handle 9, and protruding piece 8 through equidistant setting can increase the frictional force of finger and needle handle 9.

A needle body 3 is arranged at one side of the transfusion channel 5.

In this embodiment, when pulling out the needle, through promoting push rod 605, fixture block 604 removes with stopper 603 for fixture block 604 and the mutual pine of draw-in groove 606 take off, remove the fixed restriction to protective sheath 7, under torque spring 2's effect, protective sheath 7 overturns, and the upset back, needle body 3 are in protective sheath 7's inside, under protective sheath 7's protective action, can avoid needle body 3 to stab medical personnel, improve the security.

The bottom of above-mentioned infusion passageway 5 is provided with protective structure 4, and protective structure 4 is including pasting layer 401, gasket 402 and articulamentum 403, and articulamentum 403 is installed in infusion passageway 5's bottom, and gasket 402 is installed to articulamentum 403's bottom, and the bottom of gasket 402 is installed and is pasted layer 401, and the size of gasket 402 is unanimous with the size of needle handle 9, and gasket 402 is the hydrocolloid material, through the use of gasket 402, can prevent the pressure nature damage of needle handle 9 to patient's skin.

When keeping somewhere, can increase the area of contact with patient's skin to a certain extent through needle handle 9, can increase medical personnel and hold the frictional force of finger and needle handle 9 when the needle through protruding piece 8, improve work efficiency, keep somewhere successful back protruding piece 8 can increase the frictional force of needle handle 9 and gasket 402 to a certain extent, avoid taking off the needle.

Through the use of gasket 402, can prevent to a certain extent that the pressure nature that causes from damaging after the long-term laminating skin of both sides needle handle 9, improve the comfort level, laminate mutually through pasting layer 401 and patient's skin, can play fixed effect.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be apparent to persons skilled in the relevant art that various changes in form and detail can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. A novel atraumatic needle for a transfusion port, which comprises a needle body (3), a transfusion channel (5) and a needle handle (9), it is characterized in that the bottom end of the transfusion channel (5) is provided with a protective structure (4), one side of the top end of the transfusion channel (5) is provided with a connecting block (1), and one side of the connecting block (1) is provided with a protective sleeve (7), the protective sleeve (7) and the inside of the connecting block (1) are provided with a rotating shaft (10), a torsion spring (2) is arranged on the outer side of the rotating shaft (10), a fixing structure (6) is arranged on one side of the bottom end of the protective sleeve (7), the fixing structure (6) comprises a fixing block (601), a telescopic spring (602), a limiting block (603), a clamping block (604), a push rod (605) and a clamping groove (606), the limiting block (603) is hinged at the other side of the top end of the transfusion channel (5), one side of the limiting block (603) is provided with a clamping block (604), and one side of the clamping block (604) is provided with a clamping groove (606), one side of the clamping groove (606) is provided with a push rod (605), the bottom end of the other side of the limiting block (603) is provided with a telescopic spring (602), and one side of the extension spring (602) is provided with a fixed block (601), needle handles (9) are arranged at the two ends of the infusion channel (5);

one end of the needle handle (9) is uniformly provided with a convex block (8);

a needle body (3) is arranged on one side of the transfusion channel (5).

2. The atraumatic needle for a port according to claim 1, characterized in that the protective structure (4) comprises an adhesive layer (401), a gasket (402) and a connecting layer (403), the connecting layer (403) is installed at the bottom end of the infusion channel (5), the gasket (402) is installed at the bottom end of the connecting layer (403), and the adhesive layer (401) is installed at the bottom end of the gasket (402).

3. The atraumatic needle for a port according to claim 2, characterized in that the size of the spacer (402) is identical to the size of the needle handle (9), the spacer (402) being made of hydrocolloid material.

4. The atraumatic needle for a port according to claim 1, characterized in that the fixing block (601) is fixed on the infusion channel (5), and the retractable spring (602) and the limiting block (603) form a retractable structure.

5. The atraumatic needle for a port according to claim 1, characterized in that the notch (606) is mounted on the protective sheath (7), and the notch (606) and the block (604) form a snap-fit structure.

6. The atraumatic needle for ports according to claim 1, characterized by the fact that the protuberances (8) are of circular design, the protuberances (8) being arranged at equal intervals at one end of the needle shaft (9).

7. The atraumatic needle for ports according to claim 1, characterized by the fact that the needle handle (9) is designed as a circular arc, the needle handle (9) being symmetrically distributed around the center of the infusion channel (5).

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