TWM568710U - Needle holder used in Fistuala needle and Fistula needle using the same - Google Patents

Abstract

The present invention relates to a needle holder for an inner fistula wing needle, which is made of an elastic material in an integrally formed manner, and comprises a catheter, a two-wing piece and a cover, wherein the catheter is used for the catheter Fixing a needle body, the two fins are connected to opposite sides of the catheter, and the cover is connected to the front end of the catheter and can be elastically oscillated relative to the catheter in an open position and a closed position, when the cover is open In the position, the needle body will be completely exposed. At this time, the needle body can be used for injection or blood drawing. When the cover is in the closed position, the needle body will be covered by the cover to prevent the operator from being caught by the needle. The needle body is accidentally stabbed. In this way, the needle holder of the present invention can achieve the effects of simplifying the structure, convenient operation and improving the safety of the needle.

Description

Needle seat for inner tube wing needle and inner tube wing pin using same

This creation relates to the inner iliac tube-shaped needle, and in particular to a needle holder for an inner iliac tube wing needle and an inner iliac tube wing needle using the needle holder.

The inner fistula wing pin is different in structure from the general injection needle, and is mainly provided with a wing piece on opposite sides of the catheter connected to the needle body, and the two wing piece is used for the operator to conveniently hold on the one hand. The injection action is completed, and on the other hand, it is applied to the skin to stabilize the position of the needle body, so that the medicine can be delivered to the human body, or the blood can be withdrawn from the human body.

In order to ensure that the needle body will not be damaged before use and will not stab the operator's finger after use, the structure will be covered with a cover to cover the needle body. When the injection is to be carried out, the cover is opened first. The needle can be inserted into the part of the body to be injected. When the injection is completed and the needle is withdrawn, the originally removed cover needs to be re-applied to prevent the needle from being exposed. For the prior art related to the cover, such as the Republic of China Announcement No. M488318, the Republic of China Announcement No. M494001, and the Republic of China Announcement No. M496494, the cover disclosed in the aforementioned patents is not only It is structurally complicated and must be assembled separately with the needle holder so that the risk of accidental puncture of the needle may still occur during the assembly process.

The main purpose of the present invention is to provide a needle holder for an inner fistula wing needle which simplifies the structure, facilitates operation, and increases needle safety.

In order to achieve the above main purpose, the needle holder of the present invention comprises a catheter, a two-wing piece and a cover. The catheter has a front end and a rear end; the two fins are integrally connected to opposite sides of the catheter; the cover has a needle slot, and the cover is integrally connected to the front end of the catheter, so that the guard The cover is elastically swingable relative to the conduit between an open position and a closed position, and when the cover is in the open position, a central axis of the conduit does not pass through the pin groove of the cover, and is fixed at the time One of the needles of the catheter is completely exposed for injection or blood drawing. When the cover is in the closed position, the central axis of the catheter passes through the needle groove of the cover, and the needle is then The cover is covered to prevent the needle from accidentally stabbing the operator.

It can be seen from the above that the needle holder of the present invention is made by one-piece molding, and the separate design adopted by the conventional technology not only effectively simplifies the structure and reduces the manufacturing cost, but also requires only one finger in operation. The cover can be pushed from one side of the needle body until the needle body is completely stored, thereby greatly reducing the chance of the hand contacting the needle body, thereby achieving the purpose of increasing the convenience of operation and improving the safety of the needle. .

More preferably, the top mask of one of the fins has a positioning convex portion, and the top mask of the fin has a positioning concave portion. When the top surfaces of the two fins abut each other, the positioning convex portion is embedded. In the positioning recess, the relative movement of the two fins is avoided to affect the stability of the injection process.

More preferably, the bottom surface of each of the fins has a non-slip texture to prevent slippage when the two fins are fixed to the skin.

More preferably, the cover further has an opening and an elastic rib, one end of the elastic rib integrally connecting the peripheral wall of the opening and extending obliquely from the opening toward the needle groove when the needle body When being accommodated in the needle groove of the cover, the needle body is simultaneously positioned by the elastic rib to prevent accidental separation between the two.

In addition, a secondary object of the present invention is to provide an inner fistula wing needle using the inner inner tube wing hub, in addition to the needle body, there is an infusion tube, the infusion tube is disposed at the rear end of the catheter. Used to provide the effect of delivering liquid or blood.

The detailed construction, features, assembly or use of the needle holder and the inner tube wing needle provided therein by this creation will be described in the detailed description of the subsequent embodiments. However, those of ordinary skill in the art should understand that the detailed description and specific embodiments of the present invention are merely used to illustrate the present invention and are not intended to limit the scope of the patent application.

The Applicant first describes the same or similar elements or structural features thereof in the embodiments and the drawings which will be described below.

Please refer to FIG. 3 first. The inner tube wing needle 10 of the present invention comprises a needle holder 20, a needle body 60 and an infusion tube 62.

The needle holder 20 is made of an elastic material in an integrally formed manner (such as a plastic injection molding process), and includes a catheter 30, two fins 40, and a cover 50, as shown in Figures 1 and 2:

The conduit 30 is hollow and has a front end 32 and a rear end 34.

The two fins 40 are connected to the left and right sides of the duct 30. The top mask of one of the fins 40 has a positioning protrusion 42 and the top of the other flap 40 has a positioning recess 44. Further, as shown in Fig. 2, the bottom surface of each of the fins 40 has a slip line 46.

The cover 50 is attached to the left side of the front end 32 of the duct 30. More specifically, as shown in Figures 1, 6 and 7, the cover 50 has a top wall 51, a bottom wall 52, an end wall 53, and a side wall. 54 and a connecting wall 55, the end wall 53 is connected to the front end of the top and bottom walls 52, and the side wall 54 connects the left side of the top wall 51, the bottom wall 52 and the end wall 53, so that the space is open to the right side. The needle groove 56, as the connecting wall 55 is connected between the front end of the duct 30 and the rear end of the side wall 54, allows the cover 50 to elastically oscillate relative to the duct 30. In addition, as shown in the first, second, sixth, and seventh embodiments, in the present embodiment, the top wall 51 and the bottom wall 52 respectively have an opening 57. The two openings 57 are offset from each other one after the other, and the cover 50 is further There are two elastic ribs 58. One end of the elastic rib 58 is connected to the peripheral wall of the opening 57 and extends obliquely from the opening 57 toward the needle groove 56.

However, it should be additionally noted that the number of the openings 57 and the elastic ribs 58 can be adjusted according to actual needs, as long as at least one, more specifically, the openings 57 are provided in the top and bottom walls 51, 52. First, one end of the elastic rib 58 integrally connects the peripheral wall of the opening 57 and extends obliquely from the opening 57 toward the needle groove 56, which also provides a positioning effect.

The needle body 60 may be fixed to the front end of the catheter 30 by an integral molding method (for example, a metal immersion molding process), or may be fixed to the front end of the catheter 30 by an adhesive, which is not limited herein. After the needle 60 is secured to the catheter 30, the needle 60 is positioned on the central axis A of the catheter 30, whereby the center of the catheter 30 is located when the cover 50 is in an open position P1 (as shown in Figures 1 and 3). The axis A does not pass through the pin groove 56 of the cover 50, so that the needle 60 is completely exposed. When the cover 50 is at a closed position P2 (as shown in Figures 5 and 7), the central axis A of the catheter 30 The needle body 60 is placed in the needle groove 56 of the cover 50 by the needle groove 56 of the cover 50 to prevent exposure. In addition, when the needle 60 is located in the needle groove 56 of the cover 50, it is simultaneously positioned by the two elastic ribs 58, as shown in Figures 6 and 7, to ensure that the cover 50 and the needle 60 are not Easy to separate.

The infusion tube 62 is placed over the rear end 34 of the catheter 30 for delivery of medicament or blood.

As can be seen from the above, when the injection is to be performed, the cover 50 is pulled by the finger from the closing position P2 shown in FIG. 5 to the open position P1 as shown in FIG. 3, so that the needle 60 is completely exposed. Then, the two fins 40 are pinched by two fingers. As shown in FIG. 4, the top surfaces of the two fins 40 are abutted against each other. At this time, the positioning convex portion 42 and the positioning concave portion 44 are mutually inserted. In order to avoid the relative movement of the two flaps 40 to affect the stability of the injection process, the needle 60 can be inserted into the site to be injected, and the force of the two flaps 40 is released after the insertion of the needle 60 is completed, and the force is utilized. The adhesive tape adheres the two flaps 40 to the skin. At this time, the sliding path 46 of the two flaps 40 can be further utilized to stabilize the position of the needle body 60, so that the medicine can be delivered to the human body through the infusion tube 62, or It is to withdraw blood from the body.

After the aforementioned injection operation is completed, the needle body 60 is withdrawn, and the cover 50 is pushed by fingers from the open position P1 as shown in FIG. 3 to the closing position P2 as shown in FIG. 5 until the needle body 60 is placed. The inside of the needle groove 56 is positioned by the two elastic ribs 58 to complete the storage (as shown in Figures 6 and 7).

In summary, the needle holder 20 provided by the present invention is made by an integral molding method, which not only effectively simplifies the structure and reduces the manufacturing cost, but also requires only one in the needle body 60 when compared with the conventional technology. The operation of the cover 50 can be completed by the root finger, thereby greatly reducing the chance of the hand contacting the needle 60, so as to increase the convenience of operation and improve the safety of the needle.

10‧‧‧Inside tube wing needle

20‧‧‧ needle seat

30‧‧‧ catheter

A‧‧‧ center axis

32‧‧‧ front end

34‧‧‧ Backend

40‧‧‧ wing

42‧‧‧ positioning convex

44‧‧‧ positioning recess

46‧‧‧Slip line

50‧‧‧ Cover

51‧‧‧ top wall

52‧‧‧ bottom wall

53‧‧‧End wall

54‧‧‧ side wall

55‧‧‧Connecting wall

56‧‧‧ Needle slot

57‧‧‧ openings

58‧‧‧Flexible ribs

60‧‧‧ needle

62‧‧‧Infusion tube

P1‧‧‧Open location

P2‧‧‧ cover position

The first picture is a perspective view of the appearance of the needle holder of the creation. Figure 2 is a bottom view of the needle holder of the creation. Fig. 3 is a perspective view showing the appearance of the inner tube wing pin using the needle holder of the present invention, mainly showing that the cover is in the open position. Figure 4 is similar to Figure 3, mainly showing that the top surfaces of the two fins abut each other. Figure 5 is similar to Figure 3, with the main cover in the closed position. Fig. 6 is a partial side view of the inner tube wing pin of the present invention, mainly showing that the needle body is located in the needle groove and is positioned by the elastic rib. Figure 7 is a cross-sectional view of the end of the inner tube of the fistula, mainly showing that the needle is located in the needle groove and is positioned by the elastic rib.

Claims (16)

A needle holder for an inner fistula wing needle, comprising: a catheter having a front end and a rear end; two fins integrally connected to opposite sides of the catheter; and a cover having a capacity a needle slot, the cover is integrally connected to the front end of the conduit and is elastically swingable relative to the conduit between an open position and a closed position, and when the cover is in the open position, a central axis of the conduit is not The needle slot of the cover is passed through, and when the cover is in the closed position, the central axis of the guide passes through the pin groove of the cover. The needle holder for an inner fistula wing needle according to claim 1, wherein the catheter, the two fins and the cover are integrally formed of an elastic material. The needle holder for an inner fistula wing needle according to claim 1, wherein a top mask of the flap has a positioning convex portion, and another top mask of the air flap has a positioning concave portion when the two wings When the top surfaces of the sheets abut each other, the positioning protrusions are embedded in the positioning recesses. The needle holder for the inner tube wing needle according to claim 1, wherein the bottom surface of each of the fins has a slip line. The needle holder for an inner tube wing needle according to claim 1, wherein the cover has a top wall, a bottom wall, an end wall, a side wall and a connecting wall, the end wall being integrally connected to the a front end of the top and bottom walls, the side wall connecting the top wall, the bottom wall and one side of the end wall so as to surround the pin groove groove with each other, the connecting wall integrally connecting the front end of the pipe and the side wall After the end. The needle holder for an inner fistula wing needle according to claim 5, wherein one of the top and bottom walls of the cover has an opening, and the cover further has an elastic rib, the elastic rib One end integrally connects the peripheral wall of the opening and extends obliquely from the opening toward the direction of the pin groove. The needle holder for the inner tube wing needle according to claim 5, wherein the top and bottom walls of the cover respectively have an opening, the two openings are offset from each other, and the cover has two elastic ribs, each of which One end of the elastic rib is integrally connected to a peripheral wall of the opening and extends obliquely from the opening toward the needle groove, and the two elastic ribs have opposite extending directions. An inner fistula wing pin comprising: a needle hub as claimed in claim 1; a needle body disposed at a front end of the catheter of the needle hub and located on a central axis of the catheter of the needle hub, when the needle When the cover of the seat is in the open position, the needle body is located outside the needle groove of the cover, and when the cover of the needle seat is located at the cover position, the needle body is located in the needle groove of the cover; And an infusion tube disposed at the rear end of the catheter of the needle seat. The inner tube wing pin according to claim 8, wherein the needle seat is integrally formed of an elastic material. An inner tube wing pin according to claim 8, wherein a top mask of one of the fins has a positioning protrusion, and a top mask of the other side of the needle holder has a positioning recess. When the top surfaces of the two fins abut each other, the positioning protrusions are embedded in the positioning recesses. The inner tube wing pin of claim 8, wherein the bottom surface of each of the fins has a slip line. The inner tube wing pin according to claim 8, wherein the cover of the needle seat has a top wall, a bottom wall, an end wall, a side wall and a connecting wall, the end wall being integrally connected to the top, a front end of the bottom wall, the side wall connecting the top wall, the bottom wall and one side of the end wall such that the needle groove is surrounded by each other, the connecting wall integrally connecting the front end of the duct and the rear end of the side wall . The inner tube wing pin of claim 12, wherein one of the top and bottom walls of the cover has an opening, the cover further has a resilient rib, one end of the elastic rib being integrally connected a peripheral wall of the opening and extending obliquely from the opening toward the needle slot. When the cover is in the closed position, the needle is located in the needle groove of the cover and is disposed by the elastic rib Position it. The inner wing tube-shaped needle according to claim 12, wherein the top and bottom walls of the cover respectively have an opening, the two openings are offset from each other, and the cover has two elastic ribs, each of the elastic ribs One end is integrally connected to a peripheral wall of the opening and obliquely protrudes from the opening toward the needle groove, and the two elastic ribs have opposite extending directions when the cover is located at the closed position The needle body is located in the needle groove of the cover and is positioned by the two elastic ribs. The inner tube wing pin of claim 8, wherein the needle body is integrally connected to the front end of the catheter. The inner tube wing pin of claim 8, wherein the needle body is secured to the front end of the catheter with an adhesive.