TW201634071A - Automatic buckling sheath of tumor needle - Google Patents

Abstract

The present invention provides an automatic buckling sheath of tumor needle, which comprises a needle apparatus having a needle head base and a soft tube, and the needle head base is configured with a U-shaped body base configured with left and right pivoting holes; an elastic clip member comprising an elastic h-shaped base and a long convex plate assembled together, and the h-shaped base is pivoted with the two pivoting holes of the U-shaped body base by its two studs; a protection sheath comprising a base plate and a receiving space, and the base plate is configured with an engaging groove; wherein the h-shaped based may be pivoting within the U-shaped body base and the rear protrusion of the long convex plate is engaged with the engaging groove of the base plate to tightly combine the protection sheath with the h-shaped base; and, because of the structural deformation of h-shaped base during operation, there will be an angle variation causing an elastic force, so as to immediately buckle the used needle into the protection sheath by turning.

Description

Automatic fastening sheath for tumor puncture needle

The invention relates to a tumor puncture needle protection sleeve structure, in particular to a tumor sleeve puncture sheath automatic buckle bending device which can automatically lock the puncture needle and has stability and safety.

Because some cells of the human body sometimes grow rapidly due to the loss of normal physiological control, tumors, especially malignant tumors, can easily be directly transferred to other organs via lymph, blood or body fluids, making malignant tumors and cancers It has become the main cause of death in major diseases of modern people. Therefore, the general public's awareness of health and regular physical health checks are getting more and more attention, and early detection of cancer and cancer is an important key to treatment. At present, the technology of cancer diagnosis in cancer is quite advanced. If it is evaluated as a malignant tumor after physical examination, fine needle aspiration cytology will be performed on superficial tumors such as subcutaneous lymph nodes, muscle tissue, thyroid or subarachnoid. (fine needle aspiration cytology/FNAC), for deep organs such as the liver or lungs, it is recommended to perform fine needle aspiration cytology (FNAC) or fine needle aspiration biopsy. To determine the diagnosis.

Fine needle aspiration cytology or fine needle aspiration biopsy is usually performed by a tumor puncture needle, and the difference is different in the thickness of the needle used, such as the thinner 21 needle and the thicker 18 needle. Since the tumor puncture needle after use is usually put on the sheath immediately, it can prevent accidental puncture and infection to the patient or medical staff, and facilitate the subsequent tumor puncture needle disposal. Manage your work and prevent it from being recycled. The existing tumor puncture needle protection sleeve structure mainly comprises a hose, the needle tube is provided with a needle holder, and the needle holder protrudes with a lancet for piercing the slice, and a protective sleeve is arranged on one side of the needle holder, and the protective sleeve is lower The portion is provided with a connecting mechanism (or a turning mechanism) for bending; when the puncture slice is completed, the protective sleeve is pushed toward the lance, and the elastic mechanism is connected under the connecting mechanism (or the turning mechanism). By means of the elastic mechanism, the safety sheath is conveniently automatically fitted to the needle, so that the needle sleeve is protected from exposure, so as to achieve the purpose of safety protection for the needle after use.

Although the protective sheath structure of the prior art tumor puncture needle can achieve the purpose of protecting the needle after use, there is still a defect, for example, the protective sleeve is integrally connected to one side of the needle seat, which makes the needle seat, The safety jacket needs to be equipped with complex molds in one-piece production, which will increase the complexity and cost of the production. It is not economical. If the protective sleeve is placed on the needle holder in a bonding manner, it is also easy to fall off, making the prior art It is designed to be non-ideal for one of the protective sleeves and the needle holder. Furthermore, the elastic mechanism is also connected to the two parts of the connecting mechanism (or the inverting mechanism), but the connecting force of the elastic mechanism is not strong, so that the connecting mechanism may be broken in use or the elastic mechanism may be connected. The two parts of the connecting mechanism (flip mechanism) may also break, which will cause the protective cover to be unable to be used normally; and when used, the tumor puncture needle with the protective cover is used, in the subsequent waste collection and handling operations, The two parts of the connecting mechanism (the turning mechanism) or the connecting part of the elastic mechanism and the connecting mechanism (the turning mechanism) may also be broken by the impact of the external force, and the protective cover may fall off, and the needle waste will be disposed. There is also a need to improve the potential danger. Therefore, how to improve the existing tumor puncture needle and its protective cover structure should be the important direction for the industry to solve and overcome.

The present inventors have in view of the fact that the existing tumor puncture needle protective sleeve structure is disadvantageous in its manufacture and use, and the structural design is not ideal. The inventor of the present invention started to develop its solution, hoping to develop a kind of automatic locking. The invention has the advantages that the puncture needle has the stability, safety and the economical benefit of the tumor puncture needle protection sleeve to promote the development of the industry, and the invention has been produced for a long time.

The main object of the present invention is to provide a tumor puncture sheath automatic buckle bending device, which can be deformed by a structure when the elastic clip is operated, and the angle of the change is generated, and the elastic force generated thereby enables the direct connection of the elastic clip. The automatic locking lock puncture needle can be used to facilitate the manufacture and reduce the cost, and the combination thereof is quite stable and does not fall off, so that the use is excellent in safety.

In order to achieve the above objects and effects, the technical means adopted by the present invention include: a lancet device comprising a needle holder having a hose at one end and a lancet at the other end of the needle holder, the needle One side of the seat is provided with a body U-shaped seat, the body U-shaped seat is provided with a left and right pivot hole; a resilient clip member comprising an h-shaped seat body and a long convex plate integrally connected, the h-shaped seat body The elastic material is formed by forming a pivot shaft at the left and right outer end small-diameter portions of the front lower end; a convex portion is disposed behind the long convex plate; a protective cover comprising a substrate, a sheathed substrate extending in one stage and the guard a sleeve formed by two side plates and one end plate around the substrate, so that the protective sleeve has a set space, the substrate is provided with a card groove; the pivot of the h-shaped seat body is pivoted on the U-shaped seat of the body The left and right pivot holes enable the h-shaped seat body to pivot on the inner wall of the body U-shaped seat, and the convex portion of the long convex plate is engaged with the card groove of the substrate, so that the protective cover is firmly coupled to the h-shaped a seat body; the h-shaped seat body has an angle change due to structural deformation during operation, and borrows In order to generate elastic force, the h-shaped seat body The directly connected protective cover can be snapped into the protective cover immediately after being pulled by the elastic force of its own.

The angle between the two bodies of the h-shaped seat is about 12°, and in the state of use, the angle between the two bodies is about 22°.

The needle holder is provided with a transverse needle groove for arranging the needle, and the needle communicates with the hose through the needle holder, and the needle is arranged perpendicular to the hose.

The long convex plate is provided with a small convex portion and a large convex portion, and the inner side of the protective cover has two upper card bumps and two lower card bumps.

The inner wall of the body U-shaped seat is provided with left and right vertical grooves, and the lower ends of the left and right vertical grooves are provided with left and right pivot holes.

The side panels of the protective sleeve are provided with at least one guard strip extending obliquely to the sleeve space, and the strips of the two side panels are staggered.

The side plate of the protective cover is provided with a baffle member extending obliquely to the sleeve space, and a latching member is disposed at a staggered position of the other end surface of the baffle member.

For a better understanding of the features, technical means, and specific functions and objects of the present invention, the specific embodiments of the present invention are set forth in the accompanying drawings.

10‧‧‧ Needle device

11‧‧‧Needle seat

12‧‧‧ tube support sleeve

13‧‧‧Butterfly flaps

131‧‧‧Sets of solid blocks

14‧‧‧Hose

15‧‧‧ needle slot

16‧‧‧ Needle

17‧‧‧ Body U-shaped seat

171‧‧‧Vertical groove

172‧‧‧ pivot hole

20‧‧‧Elastic clips

21‧‧‧h type seat

211‧‧‧ pivot

22‧‧‧Long convex plate

221‧‧‧Small convex

222‧‧‧ Large convex

223‧‧‧ convex

30‧‧‧ protective cover

31‧‧‧Substrate

311‧‧‧Upper card bumps

312‧‧‧Under the card bump

313‧‧‧ card groove

32‧‧‧Sheathed substrate

33‧‧‧ side panels

34‧‧‧End board

35‧‧‧ Layout space

36‧‧‧Articles

37‧‧‧Driving Department

38‧‧‧Baffle parts

39‧‧‧Locking parts

1 is a perspective view of a first embodiment of the present invention; FIG. 2 is a perspective exploded view of FIG. 1; and FIG. 3 is a perspective view of the state after use of FIG. 1; 4 is a perspective view of the other side of FIG. 3; FIG. 5 is a plan view of the first figure; FIG. 5A is an enlarged plan view showing the engagement of the long convex plate with the upper card bump and the lower card bump of FIG. Figure 6 is a cross-sectional view of Fig. 5; Fig. 7 is a cross-sectional view of the first use state of Fig. 6; Fig. 8 is a cross-sectional view of the second use state of Fig. 6; A perspective view of an embodiment.

As shown in FIGS. 1 to 5, the first embodiment of the present invention relates to a tumor puncture sheath automatic buckle bending device, which comprises a lancet device 10, an elastic clip member 20 and a protective sleeve 30; the lancet device 10 includes a needle a socket 11 having a tube support sleeve 12 at one end thereof, the tube support sleeve 12 passing through a socket block 131 extending with a butterfly wing piece 13 through which a hose 14 is inserted and coupled a needle holder 11; the needle holder 11 is provided with a transverse needle groove 15 at the other end of the tube support sleeve 12, the needle groove 15 is provided with a needle 16 through which the needle 16 communicates with the hose 14 The lancet 16 is disposed perpendicular to the hose 14 and the tube support sleeve 12; further, the needle holder 11 is provided with a body U-shaped seat on the other side (back surface) of the convex surface (front surface) of the lancet 16 17, the inner wall of the body U-shaped seat 17 is provided with left and right vertical grooves 171, and the left and right vertical grooves 171 are provided with left and right pivot holes 172 at the lower end, so that the two pivots 211 of the h-shaped seat body can be pivoted from the U-shaped inner wall. For example (as shown in Figures 6 and 7).

The elastic clip member 20 has an h-shaped base body 21 integrally formed with a long convex plate 22, and the h-shaped base body 21 is formed of an elastic material, and the left and right outer end small-diameter portions of the front lower end form a pivot 211; The convex plate 22 is provided with a small convex portion 221 and a large convex portion 222, and a convex portion 223 is provided on the back surface.

The protective cover 30 includes a substrate 31, a sheath substrate 32 extending in an integrated stage, and a sleeve formed by the two side plates 33 and the one end plate 34 around the sheath substrate 32, and the protective sleeve 30 has a set space 35. The side plate 33 is provided with at least one bead 36 extending obliquely to the sleeve space 35, and the strips 36 of the side plates 33 are staggered, and the base plate 31 is provided with a tilting outwardly turned portion 37 for facilitating The toggle cover 30 is operated by a toggle. In addition, two upper card bumps 311, two lower card bumps 312 and a card recess 313 are disposed on the inner side of the substrate 31.

In the first embodiment of the present invention, the first embodiment of the auto-fastening and bending device for the tumor puncture sheath is assembled, and the pivot 211 formed by the small-diameter portions of the left and right outer ends of the front lower end of the h-shaped seat body 21 of the elastic clip member 20 is along the body U-shaped seat. The vertical groove 171 of the inner wall of the 17 is inserted, so that the two pivots 211 are pivoted at the left and right pivot holes 172 at the lower end of the vertical groove 171, and the h-shaped base 21 is as shown in FIG. The inner wall of the body U-shaped seat 17 is pivoted (as shown in FIG. 7); and the elastic cover member 20 is inserted by the protective cover 30, and the small convex portion 221 of the long convex plate 22 of the elastic clamp member 20 is used. The two sides of the large convex portion 222 are respectively caught between the two upper card bumps 311 and the two lower card bumps 312 on the inner side of the substrate 31 of the protective cover 30 and are pressed by the two upper card bumps 311 and the two lower card bumps 312 ( As shown in FIG. 5 and FIG. 5A, and the card recess 312 of the base 31 of the protective cover 30 catches the convex portion 223 of the long convex plate 22 (as shown in FIG. 6), so that the elastic clip 20 and the protection are provided. The sleeve 30 is integrated into the card, that is, the assembly and positioning of the sleeve 30 is completed, and the sleeve 30 is extended relative to the needle holder 11 along the other end of the tube support sleeve 12 and the hose 14 And make this protection 30 relative to the puncture needle 16 can be bent form after the nested position, state.

When the tumor puncture needle is to be sheathed for the needle 16 , the toggle portion 37 of the protective sleeve 30 is swung in the direction of the needle 16 , and the h-shaped seat 21 of the elastic clip 20 is in a stationary state ( As shown in Figures 6 and 8, the angle between the two bodies of the h-shaped seat is about 12°, while in use. The angle between the two bodies is about 22° (as shown in Fig. 7). The action diagrams of Figures 6, 7, and 8 illustrate that the relative angles of the two bodies in the lower part of the h-shaped seat body 21 can be deformed due to the structure during operation. There is an angle change (12-22 degrees), and by which an elastic force is generated, the h-shaped seat body 21 directly connected to the protective cover 30 can automatically and quickly push the used needle 16 on the index finger or the middle finger by its own elastic force. The underside of the dialing portion 37 is automatically buckled into the protective sleeve 30, and the lancet 16 is pressed into the protective strip 36, and the positioning in the covering space 35 cannot be automatically withdrawn, thereby preventing the lancet 16 from stabbing the medical staff and The disadvantage of preventing the needle 16 from being used again.

Please refer to FIG. 9 , which is a modification of the first embodiment of the automatic locking and bending device for a tumor puncture sheath according to the present invention, which is based on the structure of the first embodiment, and the difference is: the protection The sleeve 30 is provided with a baffle member 38 extending obliquely to the sleeve space 35, and a latching member 39 is disposed at the other end of the baffle member 38 at a staggered position to collectively lock the lancet 16, the baffle member 38. The gap with the lock member 39 is about 0.6 mm or less, and the lancet is about 0.7 to 0.9 mm. Therefore, once the lancet 16 enters the protective cover 30, the lancet 16 can no longer be removed and reused.

According to the above configuration, the tumor puncture sheath automatic buckle bending device of the present invention can be deformed by the deformation of the structure when the elastic clip is operated, and the elastic force generated thereby can automatically lock the elastic sleeve directly connected to the protective sleeve. The puncture needle can be combined with a member to facilitate its manufacture and reduce the cost, and the combination of the present invention is quite stable and does not fall off, thereby achieving excellent safety in use.

The above description is only a preferred embodiment of the present invention, and those skilled in the art to which the present invention pertains may also make several improvements and refinements without departing from the principles of the present invention. It is considered as the scope of protection of the present invention.

10‧‧‧ Needle device

11‧‧‧Needle seat

12‧‧‧ tube support sleeve

13‧‧‧Butterfly flaps

131‧‧‧Sets of solid blocks

14‧‧‧Hose

15‧‧‧ needle slot

16‧‧‧ Needle

17‧‧‧ Body U-shaped seat

171‧‧‧Vertical groove

172‧‧‧ pivot hole

20‧‧‧Elastic clips

21‧‧‧h type seat

22‧‧‧Long convex plate

30‧‧‧ protective cover

31‧‧‧Substrate

32‧‧‧Sheathed substrate

33‧‧‧ side panels

34‧‧‧End board

35‧‧‧ Layout space

36‧‧‧Articles

37‧‧‧Driving Department

Claims (7)

An automatic fastening sheath for a tumor puncture needle, comprising: a needle device comprising a needle holder, the needle holder is provided with a hose at one end, and a needle is arranged at the other end of the needle holder, and the needle holder is provided with a needle surface a body U-shaped seat, the body U-shaped seat is provided with a left and right pivot holes; a resilient clip member comprising an h-shaped seat body and a long convex plate integrally formed, the h-shaped seat body is formed of an elastic material, a small pivot portion of the front lower left end and the outer end forms a pivot; a convex portion is disposed behind the long convex plate; a protective cover includes a substrate, a sheath stage extending integrally with the sheath stage, and two surrounding the sheath substrate a sleeve formed by the side plate and the one end plate, the protective cover has a set space, the substrate is provided with a card groove; the pivot of the h-shaped seat body is pivotally disposed on the left and right pivot holes of the U-shaped seat of the body, so that The h-shaped seat body can be pivoted on the inner wall of the body U-shaped seat, and the convex portion of the long convex plate is engaged with the card groove of the substrate, so that the protective cover is firmly coupled to the h-shaped seat body; The h-shaped seat has an angle change due to structural deformation during operation, and thereby generates elastic force, so that h The protective sleeve may be directly connected to the base body of its own elastic force with the completion of the dial needles in the immediately snap into the protective sheath. The automatic fastening sheath of the tumor puncture needle according to claim 1, wherein the angle between the two bodies of the h-shaped seat is about 12°, and in the state of use, the angle between the two bodies is about 22 °. The automatic fastening sheath of the tumor puncture needle according to claim 1, wherein the needle holder is provided with a lateral needle groove for arranging the needle, and the needle communicates with the hose through the needle holder. The lancet is placed perpendicular to the hose. The automatic fastening sheath of the tumor puncture needle according to claim 1, wherein the long convexity The shape plate is provided with small convex portions and large convex portions, and the inner side of the protective cover has two upper card bumps and two lower card bumps. The automatic fastening sheath of the tumor puncture needle according to the first aspect of the invention, wherein the inner wall of the body U-shaped seat is provided with left and right vertical grooves, and the left and right vertical grooves have left and right pivot holes at the lower end. The automatic fastening sheath of the tumor puncture needle according to the first aspect of the invention, wherein the side panel of the protective sleeve is provided with at least one guard strip extending obliquely to the sleeve space, and the strips of the two side panels are Interlaced settings. The automatic fastening sheath of the tumor puncture needle according to claim 1, wherein the side plate of the protective sleeve is provided with a baffle member extending obliquely toward the sleeve space, and staggered on the other end surface of the baffle member. The position is set to a latch.