CN200973880Y

CN200973880Y - Transfusion needle

Info

Publication number: CN200973880Y
Application number: CN 200620047022
Authority: CN
Inventors: 沈路一
Original assignee: SHENGMEISHEN MEDICAL SCI-TECH (SHANGHAI) Co Ltd
Current assignee: SHENGMEISHEN MEDICAL SCI-TECH (SHANGHAI) Co Ltd
Priority date: 2006-10-23
Filing date: 2006-10-23
Publication date: 2007-11-14
Anticipated expiration: 2016-10-23

Abstract

A transfusion needle belongs to the medical appliance field and comprises a needle and a needle handle connected with the needle. The utility model is characterized in that the needle handle's horizontal profile is a sealed curve composed of a curve and a straight line; the external profile of the horizontal section of the needle handle is a semi-circle, a semi-ellipse, a semi-dripping, a quasi-semi-circle, a quasi-semi-ellipse, a quasi-semi-dripping, or the combination of the shapes; the rear part of the needle handle is provided with a joint of transfusion soft tube, the center of which does not overlap or parallel with the central line of the needle handle. The utility model is not only convenient for the operation of vein puncture, but also convenient for the fixation of needle. The utility model can also achieve the purpose of connecting and positioning transfusion soft tube, thus finding wide application in gravity or pressure vein injection and transfusion device.

Description

The transfusion pin

Technical field

This utility model belongs to medical instruments field, relates in particular to a kind of being used for liquid medium is inputed to the intravital apparatus of people.

Background technology

Venous transfusion (being commonly called as transfusion) is one of main means of present clinical rescue, treatment patient, and when particularly rescuing the critical patient, for rescue is raced against time, setting up the venous transfusion passage rapidly is a very crucial link.

Set up the speed of venous transfusion passage, depend primarily on medical personnel the accuracy of venous patient acupuncture treatment and thickness, the depth degree of venous patient pipe.

Existing infusion needle is almost being provided with a slice or two wing book sheets on the needle handle body of thickness equally with syringe needle, so that the injector is affectedly bashful and operates.But, because existing needle handle body and wing book sheet are too little, be affectedly bashful relatively difficulty of operation with finger, particularly for some patients who looks for for vein difficulties such as adiposis patient, severe loss of blood person, patient's dehydrations, medical personnel are difficult to quickly and accurately pinprick be gone in the patient's vein, so not only can delay treating time, also bring unnecessary misery to patient.

In addition, profile is circle or arc-shaped curved surface outside the needle handle body cross section of existing infusion needle, brings certain difficulty on one's body to syringe needle is fixed on the patient.

The utility model content

Technical problem to be solved in the utility model provides a kind of operation of both being convenient in the venipuncture procedure, helps the fixed transfusion pin of syringe needle again.

First technical scheme of the present utility model is: a kind of transfusion pin is provided, comprises it is characterized in that syringe needle and the needle handle body that is attached thereto: the outer contour of the lateral cross section of described needle handle body, be one by the crossing closed curve that is constituted of a curve and a straight line.

Its curve is the combination of circular curve, elliptic arc curve, water droplet sigmoid curves or above-mentioned curve.

The outer contour of the lateral cross section of its needle handle body is the combination of semicircle, half elliptic, half water droplet shape, approximate half-circular, approximate half elliptic, approximate half water droplet shape or above-mentioned figure.

The surface is provided with the anti-skidding stricture of vagina of bump type outside the needle handle body.

In the latter part of needle handle body, the infusion tube connector is set, the centrage of its infusion tube connector does not overlap with the centrage of needle handle body or is not parallel, and the outer contour of the lateral cross section of connector is circle, semicircle or half elliptic.

This utility model also provides second technical scheme identical with goal of the invention with the aforementioned techniques plan plot, its particular content is: a kind of transfusion pin, comprise syringe needle and the needle handle body that is attached thereto, it is characterized in that: on described needle handle body, an auxiliary needle handle body is set separably; Described auxiliary needle handle body is a hinge shape member that can fasten, the open side of its two hinge shape members respectively correspondence the fastening hasp is set; On the opposite face of two hinge shape members of auxiliary needle handle body, the groove that is complementary with the needle handle body profile is set, the needle handle body runs through to be arranged on separably assists between two hinge shapes of needle handle body member; The outer contour of the whole lateral cross section of its auxiliary needle handle body is one and is intersected the closed curve that is constituted by a curve and a straight line.

The outer contour of its auxiliary needle handle body lateral cross section is the combination of semicircle, half elliptic, half water droplet shape, approximate half-circular, approximate half elliptic, approximate half water droplet shape or above-mentioned figure.

The surface is provided with the anti-skidding stricture of vagina of bump type outside described auxiliary needle handle body.

Compared with the prior art, the utility model has the advantages that:

1. the volume of needle handle body is bigger, and one side is arranged for the plane, both has been convenient to the operation of being affectedly bashful pointed in the venipuncture procedure, and helps infusion needle is fixed on patient's body surface again;

2. surface outside the needle handle body is provided with the anti-skidding stricture of vagina of bump type, more helps being affectedly bashful and using of operator.

Description of drawings

Fig. 1 is the structural representation of this utility model first technical scheme;

Fig. 2 is that the A-A ' of Fig. 1 is to profile;

Fig. 3 is that the B of Fig. 1 is to view;

Fig. 4 is the structural representation of this utility model second technical scheme;

Fig. 5 is that the C of Fig. 4 is to view.

1 is syringe needle among the figure, 2 and 2 ' be the needle handle body, 3 and 3 ' be the transfusion connector, 4 and 4 ' be the anti-skidding stricture of vagina of bump type, and 5 be circular arc line, 6 be straight line, 7,7-1 and 7-2 be for assisting the needle handle body, 8,8-1 and 8-2 be fastening girdle button.

The specific embodiment

Among Fig. 1, this utility model first technical scheme comprises syringe needle 1 and the needle handle body 2 that is attached thereto, and the surface is provided with the anti-skidding stricture of vagina 4 of bump type outside the needle handle body, in the latter part of needle handle body, infusion tube connector 3 is set.

Among Fig. 2, the outer contour of the lateral cross section of needle handle body 2 is one and intersects the closed curves that constituted by a curve 5 and a straight line 6.

Above-mentioned curve can be the combination of circular curve, elliptic arc curve, water droplet sigmoid curves or above-mentioned curve.

Further, the outer contour of the lateral cross section of its needle handle body is the combination of semicircle, half elliptic, half water droplet shape, approximate half-circular, approximate half elliptic, approximate half water droplet shape or above-mentioned figure.

The outer contour of the lateral cross section of the body of needle handle shown in the figure is one and intersects the blockade lines that constituted by a circular arc line 5 and a straight line 6.

Because a side of needle handle body is the plane, helps infusion needle is fixed on patient's body surface.

All the other same Fig. 1.

Among Fig. 3, in the latter part of needle handle body 2, be provided with infusion tube connector 3, the outer contour of the lateral cross section of connector is circle, semicircle or half elliptic;

If connector adopts circular configuration, then need its outer surface that one locating slot (not shown) is set so that with the location that is connected of infusion tube.

If connector adopts similar semicircle or half elliptic structure, then more help itself and being connected and the location of infusion tube.

For the ease of operation, the centrage of infusion tube connector does not overlap with the centrage of needle handle body or is not parallel.

All the other are the same.

Among Fig. 4, second technical scheme of this utility model existing needle handle body 2 ' on, be provided with an auxiliary needle handle body separably, its auxiliary needle handle body is a hinge shape member that can fasten, the open side of its two hinge shape member 7-1,7-2 respectively correspondence be provided with and fasten girdle and buckle 8-1 and 8-2; On the opposite face of two hinge shape members of auxiliary needle handle body, be provided with the groove that is complementary with the needle handle body profile, the needle handle body runs through to be arranged on separably assists between two hinge shapes of needle handle body member.

Identical with first technical scheme, the outer contour of the whole lateral cross section of this auxiliary needle handle body is one and is intersected the closed curve that is constituted by a curve and a straight line.

The outer contour of the whole lateral cross section of its auxiliary needle handle body, identical with figure shown in Figure 2, no longer describe in detail.

Outside auxiliary needle handle body the surface, be provided with equally the anti-skidding stricture of vagina 4 of bump type '.

3 ' for having the transfusion connector of needle handle now.

Among Fig. 5, because auxiliary needle handle body is a hinge shape member that can fasten, with the needle handle body 2 of existing commercially available infusion products ' the put into groove that is complementary with the needle handle body profile on as shown in Figure 4 two hinge shape member 7-1, the 7-2 that open, closed two hinge shape members, form the auxiliary needle handle body 7 under the closure state, under the effect that fastens girdle button 8 (being 8-1, the 8-2 among Fig. 4 under the open mode), two hinge shape members with clamp in wherein needle handle body 2 ' become as a whole, become the member that has the identical appearance structure with first technical scheme.

All the other same Fig. 4.

Owing to adopted said structure feature, this utility model to avoid the many defectives and the deficiency of prior art, reached the operation of both being convenient in the venipuncture procedure, it is fixing to help syringe needle again, also helps with infusion tube to be connected and localized goal of the invention.

This utility model can be widely used in various gravity type or pressure type intravenous injection and transfusion device.

Claims

1. transfusion pin comprises syringe needle and the needle handle body that is attached thereto, and it is characterized in that: the outer contour of the lateral cross section of described needle handle body, be one by the crossing closed curve that is constituted of a curve and a straight line.

2. according to the described transfusion pin of claim 1, it is characterized in that described curve is the combination of circular curve, elliptic arc curve, water droplet sigmoid curves or above-mentioned curve.

3. according to claim 1 or 2 described transfusion pins, the outer contour that it is characterized in that the lateral cross section of described needle handle body is the combination of semicircle, half elliptic, half water droplet shape, approximate half-circular, approximate half elliptic, approximate half water droplet shape or above-mentioned figure.

4. according to the described transfusion pin of claim 1, it is characterized in that surface outside described needle handle body, be provided with the anti-skidding stricture of vagina of bump type.

5. according to the described transfusion pin of claim 1, it is characterized in that latter part at described needle handle body, the infusion tube connector is set, the centrage of its infusion tube connector does not overlap with the centrage of needle handle body or is not parallel, and the outer contour of the lateral cross section of connector is circle, semicircle or half elliptic.

6. a transfusion pin comprises syringe needle and the needle handle body that is attached thereto, and needle handle body rear end is connected with tube for transfusion, it is characterized in that:

On described needle handle body, an auxiliary needle handle body is set separably;

Described auxiliary needle handle body is a hinge shape member that can fasten, the open side of its two hinge shape members respectively correspondence the fastening hasp is set;

On the opposite face of two hinge shape members of described auxiliary needle handle body, the groove that is complementary with the needle handle body profile is set, the needle handle body runs through to be arranged on separably assists between two hinge shapes of needle handle body member;

The outer contour of the whole lateral cross section of its auxiliary needle handle body is one and is intersected the closed curve that is constituted by a curve and a straight line.

7. according to the described transfusion pin of claim 6, it is characterized in that described curve is the combination of circular curve, elliptic arc curve, water droplet sigmoid curves or above-mentioned curve.

8. according to the described transfusion pin of claim 6, it is characterized in that of the combination of the outer contour of described auxiliary needle handle body lateral cross section for semicircle, half elliptic, half water droplet shape, approximate half-circular, approximate half elliptic, approximate half water droplet shape or above-mentioned figure.

9. according to the described transfusion pin of claim 6, it is characterized in that surface outside the described auxiliary needle handle body, be provided with the anti-skidding stricture of vagina of bump type.