TWM589056U - Needle bending device - Google Patents

Abstract

A needle bender includes a casing and a pressing rod movably combined with the casing, the casing includes a bent needle portion and an injection needle accommodating space extending from the curved needle portion, the injection needle accommodating space is provided for use One of the used injection needles can be detachably accommodated, and the injection needle is pressed and pressed to cause bending deformation, so that the used injection needle cannot be reused.

Description

Needle looper

This creation is a needle bender, especially a needle bender that can bend and deform the used injection needle to prevent repeated use.

The injection needle is usually a tool that is used to drive the medicine into the human body in medical behavior. Since the injection needle needs to drive the medicine into the human body, the injection needle of the used injection needle is easily contaminated with human blood. Many human diseases or viruses are infected through contact with blood, so after use, the injection needle needs to be directly treated as medical waste and cannot be reused. However, it is difficult to recognize the appearance of whether the injection needle has been used, so it is still possible to reuse the injection needle without paying attention.

In order to solve this problem, the present invention provides a looper including a shell, including a looper portion and a hand-held portion, the shell further includes a movable hole extending from the hand-held portion and extending from the looper portion and intersecting the movable hole An injection needle accommodating space, the injection needle accommodating space is suitable for providing an injection needle detachably accommodating space; A pressing rod is movably combined with the housing. The pressing rod includes a pressing portion inside the housing and a urging portion located outside the housing to provide pressing. Pressing the pressing lever toward the curved needle portion is suitable for housing the housing An injection needle in the injection needle in the body is squeezed and bent.

The created needle bender can easily and safely bend the used injection needle to produce permanent deformation, avoiding the repeated use of the used injection needle.

The injection needle accommodating space further includes an enlarged hole extending from the surface of the curved needle part and a needle groove slightly larger than the injection needle, and the injection needle accommodating space further includes an extension hole extending between the needle groove and the enlarged hole and larger than the needle groove A needle withdrawal groove, when the pressure rod squeezes the injection needle, the needle groove is suitable for keeping the tail end of the injection needle immovable, and the needle withdrawal groove provides space for the injection needle to be bent by bending and provides the bent and deformed injection needle to detach from the injection needle Accommodate space.

The top block includes a notch corresponding to the needle groove, so that the injection needle can pass through the top block and provide space for the injection needle to bend.

The top block includes a notch corresponding to the needle groove, so that the injection needle can pass through the top block and provide space for the injection needle to bend.

The movable hole further includes a limiting groove formed on the inner surface, and the corresponding limiting groove of the pressing rod includes a slider formed on the outer periphery. The slider is movably accommodated in the limiting groove to restrict the pressing rod from facing the housing Set and limit the displacement range of the pressure rod along the movable hole.

According to the needle bender, the movable hole further includes a first segment and a second segment extending between the first segment and the hand-held part. The diameter of the second segment is larger than that of the first segment. A step surface is formed between the pressure bar including a body segment and an extension segment extending from the body segment, the pressing portion is formed at the end of the extension segment and the size of the extension segment is smaller than the body segment, the body segment of the pressure rod is movably accommodated In the second section, the extension section is movably accommodated in the first section, and when the pressure rod is displaced to bend the injection needle, the body section abuts the step surface.

The creation will be more clearly understood under the detailed description of the illustrative embodiments that illustrate the creation in conjunction with the drawings.

This creation is a needle bender used to bend the used injection needle to avoid repeated use. Referring to FIGS. 1-4, the looper 10 includes a housing 20. The housing 20 is preferably composed of a symmetrical first part 22 and a second part 24. The housing 20 includes a looper part 26 and A hand-held portion 28 provided with finger grips, the housing 20 further includes a movable hole 30 extending from an end surface of the hand-held portion 28 toward the curved needle portion 26, the movable hole 30 includes a first section 32 and an inner diameter larger than the first section 32 A second segment 34, the second segment 34 extends to the end surface of the hand-held portion 28 to form an opening, the first segment 32 is separated from the end surface of the curved needle portion 26 by a distance, and the junction of the first segment 32 and the second segment 34 Form a step 36.

The housing 20 further includes an injection needle accommodating space 39 extending from the surface of the curved needle portion 26 and intersecting the first section 32 of the movable hole 30, the injection needle accommodating space 39 including a cone extending from the surface of the curved needle portion 26 An enlarged hole 42 in the shape and a needle groove 40 spaced apart from the enlarged hole 42, the injection needle accommodating space 39 further includes a needle withdrawal groove 44 extending between the needle groove 40 and the enlarged hole 42. The housing 20 further includes a receiving groove 46 connected to the injection needle receiving space 39. The first section 32 of the movable hole 30 is located between the accommodating groove 46 and the second section 34 along the axial direction of the movable hole 30, and two limiting grooves 38 are provided on the inner circumferential surface of the first section 32 of the movable hole 30, And a cutting groove 48 extends between the receiving groove 46 and the limiting groove 38. The injection needle accommodating space 39 is suitable for providing an injection needle 73. The injection needle 73 includes an injection needle 74 and a connecting seat 76 (usually made of plastic) coupled to one end of the injection needle 74. The injection needle 73 is used to Sleeve to the mouth of a syringe, through squeezing the plunger of the syringe, the medicine can be injected into the human body using the injection needle 73, the size of the needle groove 40 is slightly larger than the outer diameter of the injection needle 74 (such as the third (Pictured), and the needle withdrawal groove 44 is larger than the needle groove 40 but slightly smaller than the enlarged hole 42.

The looper 10 of this creation further includes a top block 50, which includes an outer end 52 and a notch 54 extending from the outer end 52. The top block 50 is accommodated in the accommodating groove 46. The accommodating groove 46 contains two return springs 56, and the two return springs 56 press the top block 50 toward the hand-held portion 28.

The looper 10 further includes a pressing rod 58 movably combined with the movable hole 30. The pressing rod 58 includes a rod body 60. The rod body 60 includes a body section 62 and an extension section 64 having an outer diameter smaller than the body section 62. The lever 58 further includes a urging portion 66 formed at the end of the body section 62, the extension section 64 includes a Y-shaped end 72 and a pressing portion 70 between the end 72 and the urging portion 66, and the pressing lever 58 includes a corresponding Two sliders 68 of the limiting groove 38. The body section 62 of the pressure rod 58 is movably accommodated in the second section 34 of the movable hole 30, the extension section 64 is movably accommodated in the first section 32, and the end 72 and the pressing portion 70 are accommodated in the cutout 48 and In the limiting groove 38 (as shown in FIG. 3), the outer end 52 of the top block 50 abuts the end 72 of the pressing rod 58 so that the pressing rod 58 is located at the rear end of the two sliders 68 and abuts against the limit On the end face of the groove 38 (retracted position), refer to Figures 3 and 4; in this state, the notch 54 of the top block 50 is aligned with the needle groove 40 and the needle withdrawal groove 44, thus allowing the injection needle 73 to pass through Into.

Referring to FIG. 4, when the pressure lever 58 is in the retracted position, the used injection needle 73 is allowed to penetrate into the injection needle accommodating space 39. Assuming that the used injection needle 73 is to be bent, first remove the injection needle 73 from the syringe, and further pass the injection needle 74 through the enlarged hole 42, the needle withdrawal groove 44 and the gap 54 of the top block 50 into the needle groove 40 And the connection seat 76 of the injection needle 73 is located in the enlarged hole 42. It is worth noting that the size of the withdrawal groove 44 is smaller than the connection seat 76, so the connection seat 76 cannot enter. As shown in Figure 3, the injection needle 74 is about The middle position is aligned with the pressing portion 70 of the pressing lever 58.

Two of the user's fingers buckle on the housing 20 hand-held portion 28, and the other finger (usually the thumb) abuts on the pressing portion 66 of the pressing lever 58, the pressing portion 66 of the pressing lever 58 Pushing the pressure lever 58, the pressure lever 58 is displaced to the body section 62 against the step surface 36 and cannot continue to move toward the curved needle portion 26. The pressing portion 70 of the pressure lever 58 squeezes the injection needle 74, in addition, due to the injection needle 74 The tip (tip) is located in the needle groove 40 with a slightly larger hole diameter, so the end of the injection needle 74 cannot be rotated, and further the injection needle 74 is pressed by the pressing portion 70 of the pressure lever 58 to press the needle groove 40 and the needle withdrawal groove 44 at the junction For the bending deformation of the fulcrum (as shown in Fig. 5), after the injection needle 74 is bent and deformed, the pressure lever 58 is released, and the top block 50 is acted by two return springs 56 to press the pressure lever 58 in the direction of the hand-held portion 28 and move back to Back position. It is worth mentioning that the dimensions of the needle withdrawal groove 44 and the notch 54 allow the curved injection needle 74 to move out of the injection needle accommodating space 39, so that the used injection needle 74 after being bent can be removed from the injection needle accommodating space 39 Remove (as shown in Figure 6).

The needle bender 10 of this creation can easily and safely bend the used injection needle 73 to produce a permanent deformation, avoiding the repeated use of the used injection needle 73.

Since the present creation disclosed in the specification can be implemented in other specific forms that do not deviate from the spirit or general characteristics of the creation, and some of these specific forms have been pointed out, the embodiments disclosed in the specification should be regarded as illustrations rather than limitations. The scope of this creation is defined by the scope of the attached patent application, not by the above description. All changes to the equivalent meaning and scope of the patent application will still be included in its scope.

10‧‧‧Bend needle device 20‧‧‧case 22‧‧‧Part 1 24‧‧‧Part 2 26.‧‧‧Bend Needle Department 28‧‧‧Handheld 30‧‧‧Activity hole 32. The first paragraph 34‧‧‧Second paragraph 36 ‧‧‧ 38‧‧‧Limit slot 39‧‧‧Injection needle accommodating space 40‧‧‧Needle groove 42‧‧‧Enlarged hole 44‧‧‧Needle return 46‧‧‧Room 48‧‧‧Grooving 50‧‧‧Top block 52‧‧‧ Outer end 54‧‧‧Notch 56‧‧‧Return spring 58‧‧‧Press rod 60‧‧‧Pole 62‧‧‧Body section 64‧‧‧ Extension 66 ‧‧‧ Force Department 68 ‧‧‧ slider 70‧‧‧Pressure Department 72‧‧‧End 73‧‧‧ Injection needle 74‧‧‧ Injection needle 76‧‧‧Connector

Figure 1 is a three-dimensional exploded view of the creative looper.

Figure 2 is a three-dimensional combination diagram of the created looper.

Figure 3 is a cross-sectional view taken along line 3-3 of Figure 2.

Figure 4 is a cross-sectional view taken along line 4-4 of Figure 3.

Figure 5 is a state diagram of pushing the displacement of the pressure rod and pressing the injection needle to bend.

Figure 6 is the state diagram of the injection needle exiting the injection needle accommodating space after the injection needle is bent.

All drawings are only for explaining the basic teachings. The drawings will explain the number, position, relationship, and size extension of the elements constituting the illustrative embodiment or belong to industry skills after reading and understanding the following description. In addition, after reading and understanding the following description, changes in the exact size and size ratio with specific strength, weight, strength, and similar requirements are also industry skills.

In different drawings, the same reference numerals are used to indicate the same or similar elements; in addition, please understand the text such as "top", "bottom", "first", "second", "forward", "backward", "reverse" Direction, front, back, height, width, length, end, side, horizontal, vertical, etc. and similar terms are only convenient for the viewer Reference is made to the figures and only used to help describe the illustrative embodiments.

10‧‧‧Bend needle device

20‧‧‧Housing

22‧‧‧Part 1

24‧‧‧Part 2

26‧‧‧Bend Needle Department

28‧‧‧Handheld

30‧‧‧Activity hole

32‧‧‧The first paragraph

34‧‧‧Second paragraph

36‧‧‧step

38‧‧‧limit slot

39‧‧‧Accommodation space for injection needle

40‧‧‧Needle groove

42‧‧‧Enlarged hole

44‧‧‧Needle groove

46‧‧‧Room

48‧‧‧Slotting

50‧‧‧top block

52‧‧‧ Outer end

54‧‧‧Notch

56‧‧‧Return spring

58‧‧‧Press rod

60‧‧‧rod

62‧‧‧Body section

64‧‧‧Extended section

66‧‧‧ Force Department

68‧‧‧slider

70‧‧‧Pressure Department

72‧‧‧End

Claims (6)

A needle looper, including: A housing includes a curved needle portion and a hand-held portion, the housing further includes a movable hole extending from the handheld portion and an injection needle accommodating space extending from the curved needle portion and intersecting the movable hole, the injection needle accommodating space It is suitable for providing an injection needle detachably contained; A pressing rod is movably combined with the housing. The pressing rod includes a pressing portion inside the housing and a urging portion located outside the housing to provide pressing. Pressing the pressing lever toward the curved needle portion is suitable for housing the housing An injection needle in the injection needle in the body is squeezed and bent. The needle bender as described in item 1 of the patent application scope, wherein the injection needle accommodating space further includes an enlarged hole extending from the surface of the curved needle portion and a needle groove slightly larger in size than the injection needle, and the injection needle accommodating space further includes A needle withdrawal groove extending between the needle groove and the enlarged hole and larger than the needle groove, when the pressure rod squeezes the injection needle, the needle groove is suitable for keeping the tail end of the injection needle stationary, and the needle withdrawal groove provides the injection needle 74 to be squeezed The curved space is compressed and the curved deformed injection needle is separated from the injection needle accommodating space. The looper as described in item 1 of the patent application scope further includes: A top block, the housing further includes a receiving slot, the injection needle accommodating space is located between the receiving slot and the movable hole, the top block is movably accommodated in the receiving slot, the pressure rod includes an end, and the end is between the end and the application A pressing part between the force parts, the top block abuts on the end of the pressing rod; A return spring is accommodated in the receiving groove and presses against the top block toward the hand-held portion. After the press rod presses the injection needle to bend, the return spring presses against the press rod to return. The needle bender as described in item 3 of the patent application scope, wherein the top block includes a notch corresponding to the needle groove, so that the injection needle can pass through the top block and provide space for the injection needle to bend. The needle looper according to item 3 of the patent application scope, wherein the movable hole further includes a limit groove formed on the inner surface, and the limit groove corresponding to the pressure bar includes a slider formed on the outer periphery, the slider is movable Accommodating in the limiting groove restricts that the pressing rod cannot be turned relative to the housing and limits the displacement range of the pressing rod along the movable hole. As described in item 1 of the patent application scope, the movable hole further includes a first segment and a second segment extending between the first segment and the hand-held part, the second segment has an aperture larger than the first segment, in A step surface is formed between the first and second sections. The pressure bar includes a body section and an extension section extending from the body section. The pressing portion is formed at the end of the extension section and the size of the extension section is smaller than the body section. The body section is movably accommodated in the second section, and the extension section is movably accommodated in the first section. When the pressing rod is displaced to bend the injection needle, the body section abuts the step surface.

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