JP2015065983A - Drip butterfly needle disposal case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disposable drip butterfly needle disposal case in which a drip butterfly needle punctured in a human body can be discarded and received without being entangled with short tubes of other discarded butterfly needles in a non-contact manner.SOLUTION: A drip butterfly needle disposal case is provided for discarding and receiving a drip butterfly needle punctured in a human body in a non-contact manner. The drip butterfly needle disposal case comprises a case body B for receiving the butterfly needle, an outer lid Lfor covering up an opening 2 of the case body B, and an inner lid Lfitted to the opening 2 of the case body B. The inner lid Lis configured such that a short tube inserting opening 30 for discarding and receiving a short tube connected with the butterfly needle in a disposal storage space of the case body B is formed in the central part in order to hold the butterfly needle, and at least one of a piercing fixing part D for fixing the butterfly needle by piercing and an elastic contact holding part E for holding the butterfly needle in a specific position using elastic restoring force generated by bending a pair of wing elements provided in the butterfly needle is provided in a circumferential edge.

Description

  The present invention relates to a disposable wing needle disposal case for infusion for non-contact disposal of a wing needle for infusion punctured by a human body.

  There are many patients who are instilled at home among patients who are injecting drugs (medical solutions) into their bodies by infusion for artificial dialysis or the like. A wing needle having a pair of wing pieces for holding the metal needle against the human body is used at the proximal end of the metal needle bent at a substantially right angle as an infusion needle. Are disposed of after a single use. A short tube having a predetermined length is integrally connected to the winged needle to be disposed of.

  Wing needles used at home are home medical waste, and in order to prevent infection, the disposal is obliged to follow guidelines established by the country or individual local governments. For this reason, used winged needles are collected by the patient himself / herself in a prescribed case and brought to a medical institution such as a hospital where the patient is attached, and the medical institution performs incineration according to the above guidelines. ing. Here, the patient accommodates the winged needle, general injection needle, injection solution ampoule, etc. together in the case he brought, and after taking out the winged needle etc. in the case at the medical institution, the patient The actual situation is that the case is taken back and reused, and the removal of the winged needle or the like from the inside of the case is hated because of the risk of infection due to contact.

  As shown in Patent Document 1, the winged needle for infusion is such that when the metal needle is removed from the human body (vein), the tip of the metal needle is housed in the protective part, and the used metal needle Although there is a structure in which the tip portion is not exposed, there is a winged needle in which the tip portion of the metal needle is exposed.

  When discarding the latter winged needle with the tip of the metal needle exposed, a short tube of a predetermined length is integrally connected to the winged needle. The metal needle and short tube of the winged needle may get entangled with the short tube of the discarded winged needle, and blood may enter the portion of the short tube. In some cases, the remaining blood or chemical solution was scattered.

  However, a disposal case as disclosed in Patent Documents 2 and 3 has been developed for general injection needles, but a pair of wing pieces and a short tube are integrally provided for a wing-shaped needle for infusion. However, since the handling at the time of disposal is troublesome, a dedicated disposable disposal case has not appeared.

JP 2012-16629 A JP 2007-125341 A JP 2007-29747 A

  An object of the present invention is to provide a disposable wing needle disposal case for a drip in which the wing needle for infusion punctured by a human body can be disposed of in a non-contact manner and without being entangled with a short tube of another discarded wing needle. Is an offer.

  The invention of claim 1 for solving the above-mentioned problems is a wing needle disposal case for infusion for non-contact disposal of a wing needle for infusion punctured in a human body, the case housing the wing needle. It consists of a main body, an outer lid that covers the opening of the case main body, and an inner lid that is fitted into the opening of the case main body, and the inner lid is connected to the winged needle so as to be able to hold the winged needle A short tube insertion opening for allowing the short tube to be discarded and accommodated in the waste accommodating space of the case body is formed in the central portion, and is provided in the piercing fixing portion for fixing the winged needle by piercing or the winged needle It is characterized in that at least one of the elastic contact holding portions for holding the winged needle at a specific position by the elastic restoring force generated by bending the pair of wing pieces is provided at the peripheral portion.

  According to the first aspect of the present invention, in order to dispose of the used wing needle in the disposal case, the short tube connected to the wing needle is passed through the short tube insertion opening of the inner lid from the inner lid of the case main body. In the state of being accommodated in the waste storage space below, the metal needle bent at a substantially right angle constituting the winged needle is pierced and hooked into the piercing fixing portion at the peripheral edge of the inner lid fitted into the opening of the case body. Alternatively, using the elastic restoring force generated by bending a pair of wing pieces provided on the winged needle, the winged needle is held by the elastic contact holding portion and hooked. Since the metal needle constituting the winged needle is bent at a substantially right angle, the portion on the tip side of the bent metal needle is placed almost vertically on the piercing fixing portion or the elastic contact holding portion and hooked. The remaining part of the metal needle and the part of the short tube connected to the part are arranged substantially horizontally and do not protrude upward from the piercing fixing part or the elastic contact holding part. It becomes easy to accommodate in the case body.

  As a result, the winged needle, in which the metal needle is bent at a substantially right angle, is not projected upward from the upper surface of the inner lid by hooking the winged needle on either the piercing fixing part or the elastic contact holding part of the inner lid. The short tube is accommodated in the waste storage space of the case body through the short tube insertion opening in the center of the inner lid, in a state of being fixed to either the piercing fixing portion or the elastic contact holding portion of the inner lid. Therefore, a large number of winged needles are neatly disposed in the inner lid and the case body without being entangled with each other. The disposal case in which the winged needles are discarded and accommodated has a portable size and is a disposable type, so that it is incinerated as it is by bringing it to a medical institution.

  According to a second aspect of the present invention, in the first aspect of the invention, the case main body has a rectangular shape in plan view, and the piercing fixing portion is continuous with adjacent two sides of the peripheral portion of the inner lid. The elastic contact holding part is continuously provided in the remaining two sides of the peripheral edge of the inner lid.

  According to the invention of claim 2, when fixing the winged needle to the inner lid, either the piercing fixing portion or the elastic contact holding portion can be selected. Therefore, the more convenient one of the two types of fixed parts can be selected.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the piercing fixing portion is composed of a sponge body disposed at a position lowered from the upper surface of the inner lid, and the winged needle penetrates the sponge body. It is characterized by being configured to be pierced.

  According to the invention of claim 3, since the piercing fixing portion is constituted by a sponge body disposed at a position lowered from the upper surface of the inner lid, the wing needle is pierced through the sponge body. Thus, the winged needle can be easily fixed. In addition, blood and chemicals flowing out from the winged needle may adhere to the surface of the sponge body. However, since the sponge body is disposed at a position lower than the upper surface of the inner lid, the blood or the like is visible. Discomfort due to direct viewing of other people's blood can be eliminated.

  The invention according to claim 4 is the invention according to claim 1 or 2, wherein the elastic contact holding portion has a plurality of elastic contact plate portions on the horizontal plate portion to bend and open a pair of blade pieces of the winged needle, The pair of wing pieces are provided upright at intervals between the pair of wing pieces in contact with the elastic plate part, and the horizontal plate part has a wing shape in a state where the pair of wing pieces are in elastic contact with adjacent elastic plate parts. A feature is that a large number of needle insertion holes into which needles can be inserted are provided.

  The invention of claim 4 is an invention that focuses on a pair of wing pieces provided in the winged needle, wherein the pair of wing pieces are bent and disposed between adjacent elastic contact plate portions, and the winged needle is provided. When the pair of wing pieces are opened in a state where the wing pieces are inserted through the needle insertion holes formed in the horizontal plate portion, the pair of wing pieces are elastically contacted with the elastic contact plate portion by the elastic restoring force. In a fixed state.

  According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the case body is rectangular in a plan view, and a general injection needle, an injection solution ampule, or the like is inserted into the inner lid. And a waste storage space of the case main body is separated into a waste storage space of the winged needle and the general injection needles by a partition plate.

  According to the invention of claim 5, it is possible to separate and store a winged needle having a short tube connected to the same disposal case, a general injection needle, an injection solution ampule and the like.

  According to a sixth aspect of the present invention, in the fifth aspect of the present invention, the insertion port of the general injection needle insertion unit is closed with a plurality of elastic pieces that are radially cut, and when the general injection needles are inserted, The elastic pieces are elastically deformed to form a slot.

  According to the sixth aspect of the present invention, the insertion port of the general injection needle insertion portion provided in the inner lid is closed by the plurality of elastic pieces that are radially cut, and the general injection needle insertion At this time, since each elastic piece is elastically deformed to form an insertion port, even if the disposal case is turned over, the general injection needles accommodated in the disposal accommodating space come out from the insertion port. In addition, at the time of non-injection, the input port is closed and the discarded general injection needles cannot be visually recognized, and the appearance does not deteriorate.

  According to a seventh aspect of the present invention, in the fifth aspect of the present invention, the insertion port of the general injection needle input portion has an injection needle extraction groove for hooking a buttock at the base end of the general injection needle and extracting it from the syringe barrel. It is characterized by being formed in the radial direction.

  According to the seventh aspect of the present invention, the general injection needle can be removed from the syringe barrel without contacting the general injection needle.

  According to the present invention, when the winged needle is hooked on either the piercing fixing part or the elastic contact holding part of the inner lid, the winged needle in which the metal needle is bent at a substantially right angle protrudes upward from the upper surface of the inner lid. Without being done, the short tube is fixed to either the piercing fixing portion or the elastic contact holding portion of the inner lid, and the short tube passes through the short tube insertion opening in the central portion of the inner lid and enters the waste storage space of the case body. Since the winged needles are accommodated, they are disposed of in an orderly manner in the inner lid and the case body without being entangled with each other.

(A), (b) is a perspective view of the state, in which and closed with each open outer lid L ₁ of butterfly needle disposal case C ₁ of the first embodiment. Is a perspective view of a state where removal of the inner lid L _2. It is a plan view of a butterfly needle disposal case C ₁ of opened outer lid L _1. It is a sectional view taken along line X-X of FIG. 3 in the closed state of the outer lid L _1. FIG. 4 is a cross-sectional view taken along line Y ₁ -Y ₁ in FIG. 3 in a state where the outer lid L ₁ is closed. FIG. 4 is a cross-sectional view taken along line Y ₂ -Y ₂ of FIG. 3 in a state where the outer lid L ₁ is closed. Is a perspective view illustrating the use of the butterfly needle disposal case C _1. (A), (b), the cross section of each state in which the first and second of each waste receiving spaces V _1, V ₂ to butterfly needle N ₁₁ and generally needle such butterfly needle disposal case C ₁ is discarded accommodated FIG. FIG. 6 is a cross-sectional view of a state in which a pair of blade pieces 22 of the winged needle N ₁₁ is elastically held by the adjacent elastic contact plate portion 42 of the elastic contact holding portion E. In general injection needle such feeding section A ₂ of the butterfly needle disposal case C ₁ is a cross-sectional view of a state in which the withdrawn general injection needle N ₂ from the barrel 61. It is a sectional view of the piercing fixing portion D 'of the alternative structure of the wing-like needle disposal case C _1. (A) is a plan view of a butterfly needle disposal case C ₂ of Example 2, (b) is a line Z-Z cross-sectional view of (a). (A), (b) is a plan view and a perspective view of the inner lid L ₂ '' of the respective waste casing C _3. It is a perspective view of case main body B which has a structure where partition plate 8 can be removed.

  Hereinafter, the present invention will be described in more detail with reference to a plurality of optimum examples.

As shown in FIG. 1 to FIG. 6, the drip wing needle disposal case C ₁ is a resin molded product by injection molding and has a deep box shape having a rectangular planar shape. The case C ₁ is connected to a case main body B having a rectangular deep box shape and a long side portion of one of the four sides of the upper end portion of the case main body B via the hinge portion 1. An outer lid L ₁ that closes the opening 2 of the case, and an inner lid L ₂ that is fitted in a state facing the opening 2 of the case body B.

The case main body B includes a bottom plate portion 3, a pair of first side plate portions 4 arranged opposite to each other, and another case arranged opposite to the opposite direction of the pair of first side plate portions 4 along a direction different by 90 °. A total of five plate portions with a pair of second side plate portions 5 are integrated, and the facing distance between the pair of first side plate portions 4 and another pair of second side plate portions 5 is In addition, it gradually inclines slightly outward from the bottom plate portion 3 toward the opening 2. The pair of first side plate portions 4 constitutes a long side portion of a rectangular portion in plan view, and the pair of second side plate portions 5 similarly constitutes a short side portion. On the inner side surfaces of the pair of first side plate portions 5, a total of four vertical ribs 6 serving both for supporting and reinforcing the inner lid L ₂ are provided so as to face each other in the height direction from the bottom surface. The second side plate portion 4 is provided with two similar vertical ribs 7 facing each other. Since the lower end surface of the inner lid L ₂ fitted into the opening 2 of the case main body B is in contact with the upper end surfaces of the vertical ribs 6 and 7, the range of the height of the vertical ribs 6 and 7 in the case main body B Are the first and second waste storage spaces V ₁ and V ₂ of the winged needle N ₁₁ or the general injection needles, and each of the waste storage spaces V ₁ and V ₂ is partitioned by the partition plate 8. Yes.

As shown in detail in FIG. 5, the upper end portions of the first and second side plate portions 4 and 5 of the case main body B are formed with a step only on the outer side, so that they are thin over the entire circumference. Formed on the outer side of the upper half of the thin portion, an outer lid locking projection 11 for locking the outer lid L ₁ is formed over the entire circumference excluding the hinge portion 1. An outer lid locking recess 12 is formed in the lower half of the thin portion. In addition, the outer lid locking projections 11 and the outer lid locking projections 12 are formed on the upper ends of the first and second side plate portions 4 and 5 of the case body B, so that the outer lid L ₁ A locked recess 13 and a locked ridge 14 are formed in the corresponding portions, respectively. At the center of the long side portion opposed to the hinge portion 1 in the outer lid L _1, in a state where the outer lid L ₁ is locked to the case body B, unlocking piece for releasing the locking 15 is provided.

The inner lid L ₂ is a main part of the wing needle disposal case according to the present invention, and the wing needle insertion portion A ₁ for inserting and storing the wing needle N ₁₁ (N ₁₂ ) and a general injection needle. In addition, a general injection needle insertion part A ₂ for introducing and discarding an injection ampule or the like is provided along the longitudinal direction.

As shown in FIG. 7, a pair of wing pieces 22 are integrally provided at the base end portion of the metal needle 21 bent at a right angle, and the short tube 23 is connected to the wing needle. a butterfly needle N ₁₁ of metal needle 21 is exposed, before and after piercing the body (vein), there is a butterfly needle N ₁₂ the tip of the metal needle 21 is accommodated protected in the protection section 24, puncture fixed below It is the former winged needle N ₁₁ that is caught by the part D or the elastic contact holding part E. In FIG. 7, reference numeral 25 denotes a chemical stopper that compresses the short tube 23 and stops the chemical flowing through the short tube 23, and 26 denotes a connector that is connected to another tube of the drip device.

As shown in FIG. 2, the inner lid L ₂ has a square shape in a plan view, and the wing-like needle insertion portion A ₁ is formed in a rectangular frame shape as a whole, and the general injection needle insertion portion A The portion ₂ has a shape in which a gradual inverted pyramid-shaped top plate portion 51 is provided in a rectangular frame portion. That is, the wing needle insertion portion A ₁ is formed with a piercing fixing portion D for hooking the wing needle N ₁₁ on the two adjacent sides of the rectangular frame, and the same elastic portion on the remaining two adjacent portions. The contact holding portion E is formed, and the opening in the center is a short tube insertion opening 30 through which the short tube connected to the winged needle N ₁₁ is inserted.

The piercing fixing portion D is provided on two continuous sides of the winged needle insertion portion A ₁ having a rectangular frame shape, and is entirely inside the outer vertical plate portion 31 constituting the inner lid L ₂ at a predetermined interval. A first inner vertical plate portion 32 having an L shape is formed, and an upper end portion is covered with a top plate portion 33 having an L shape as a whole, and an L-shaped needle insertion groove is formed on the top plate portion 33. 34 is formed, and a sponge body 36 is formed in the needle insertion space 35 formed by the outer vertical plate portion 31, the first inner vertical plate portion 32 and the top plate portion 33 from the lower surface opening of the needle insertion space 35. In this configuration, up to 33 portions are inserted. The sponge body 36 is firmly fixed to each inner surface of the outer vertical plate portion 31 and the first inner vertical plate portion 32 by an adhesive. For this reason, the sponge body 36 is disposed at a position lower than the upper end surface (the upper surface of the top plate portion 33) of the inner lid L _{2 by} the thickness of the top plate portion 33. Thus was constructed the wing-like needle N ₁₁ through the needle insertion groove 34 that is piercing-through the sponge body 36, in a state of being fixed to the sponge member 36 by hooking the butterfly needle N _11, butterfly needle N ₁₁ Even when blood contained in the spilled blood flows out and adheres to the sponge body 36, the blood part is prevented from being exposed to the surface of the inner lid L ₂ and causing discomfort to the handler of the disposal case. It is to do.

The elastic contact holding portion E is provided on the remaining two continuous sides of the rectangular wing-shaped wing-shaped needle insertion portion A ₁ , and on the upper surface of the bottom plate portion 41 having an L shape in plan view, the wing-shaped needle N _11. A pair of wing pieces 22 are bent upward and released to be in contact with each other, and elastic contact plate portions 42 are provided at regular intervals, and between the adjacent elastic contact plate portions 42 in the bottom plate portion 41, wing-shaped needles are provided. This is a configuration in which a needle insertion hole 43 through which N ₁₁ is inserted is provided. The portion surrounded by the elastic contact plate portions 42 at the two corners described above is an unusable portion where the blade piece 22 of the winged needle N ₁₁ cannot be elastically contacted.

A general injection needle insertion portion A ₂ provided side by side with the wing needle insertion portion A ₁ of the inner lid L ₂ has a rectangular frame portion formed as a whole in a rectangular frame shape, and a gently inverted pyramid-shaped top plate portion 51. The lowest center inlet 52 is formed thinner than the other parts, and a plurality of slits 53 are formed in the radial direction to provide a plurality of elastic pieces 54. The insertion port 52 is formed by elastically deforming 54 downward, and the insertion port 52 is closed by a plurality of elastic pieces 54 when not inserted. In addition, an injection needle extraction groove 55 is formed in the radial direction so as to connect to one specific cut 53 and hook the hook N ₂ a at the base end of a general injection needle N ₂ to extract it from the syringe barrel. .

A rectangular frame-shaped inner lid L ₂ is fitted into the opening 2 of the case body B, and the lower end surface of the inner lid L ₂ comes into contact with the upper end surfaces of the vertical ribs 6, 7. Supported. In a state where the inner lid L ₂ is fitted in the opening 2 of the case main body B, the upper end surface of the inner lid L ₂ is slightly lower than the opening surface of the case main body B. A predetermined step is formed between the _second side plate portions 4 and 5 and the inner lid L2. Further, the general injection needle insertion portion A ₂ is formed in a rectangular frame shape whose upper surface opening is closed by the top plate portion 51, and three sides of the rectangular frame are the outer vertical portions constituting the inner lid L _2. A second inner vertical plate portion 37 that is formed of the plate portion 31 and constitutes the remaining one side portion that is arranged in parallel with the second side plate portion 5 of the case main body B in the fitted state is provided inside the case main body B. It abuts against the partition plate 8 (see FIG. 4).

The size of the winged needle disposal case C ₁ is [vertical dimension (K ₁ ) × horizontal dimension (K ₂ ) × height dimension (K ₃ )] = (155 × 80 × 125) mm (FIG. 1), it is a portable size, and the used wing needles N ₁₁ and N ₁₂ generated by performing artificial dialysis etc. at home are disposed of and taken to a medical institution. Incinerated in the state of.

Next, with reference to FIGS. 7 to 10, it will be described using the butterfly needle disposal case C ₁ described above. In discarding the butterfly needle N _11, the fixed hooking the butterfly needle N ₁₁ uses either piercing fixing portion D or the elastic contact holder E. When the piercing fixing portion D is used, as shown in FIGS. 7 and 8, the outer lid L ₁ covering the opening of the case main body B is opened, and is made of a metal needle and bent at a substantially right angle. The portion of the short tube 23 connected to the winged needle N ₁₁ is inserted into the short tube insertion opening 30 of the winged needle insertion portion A ₁ and dropped as it is, so that it enters the first waste storage space V ₁ . In the accommodated state, the tip of the winged needle N ₁₁ is inserted from the needle insertion groove 34 to penetrate the sponge body 36, and the winged needle N ₁₁ is hooked on the sponge body 36. Thereby, the base end portion of the winged needle N ₁₁ and the short length portion of the short tube 23 connected to the portion are held substantially horizontally without protruding upward, and the winged needle N ₁₁ and short tube 23 connected thereto is discarded accommodated in the disposal casing C _1.

Here, since the sponge body 36 is arranged at a portion lower than the surface of the inner lid L ₂ (the surface of the top plate portion 33) and is visible only through the narrow needle insertion groove 34, it has a wing shape. metal needle 21 or contained in the short tube 23 blood or drug solution constituting the needle N _11, in particular the outflow blood, even adhering to the sponge member 36, the blood is hardly visible. Therefore, in a state in which the outer lid L ₁ waste case C ₁ is open, there is no discomfort blood is visible in others.

On the other hand, when using the elastic contact holding portion E, as shown in FIGS. 7 to 9, in a state in which the short tube 23 is accommodated in the first waste receiving space V _1, the base end portion of the butterfly needle N ₁₁ in a state in which the pair of wings 22 provided by bending upward, by inserting the needle through-holes 43 in the butterfly needle N ₁₁ provided on the bottom plate portion 41 constituting the elastic contact holding portion E, a pair of bent When the wing pieces 22 are opened, the pair of wing pieces 22 are elastically contacted with the pair of adjacent elastic contact plate portions 42 by the elastic restoring force, and the winged needle N is inserted into the needle insertion hole 43 of the bottom plate portion 41. _The state where ₁₁ is hooked is maintained.

In this way, the metal needle 21 portion of the many used winged needles N ₁₁ is hooked and fixed on the piercing fixing portion D or the elastic contact holding portion E provided on the inner lid L ₂ , and the short tube is fixed. Only the portion 23 is accommodated in the first disposal accommodating space V ₁ through the short tube insertion opening 30, so that when the numerous winged needles N ₁₁ are discarded and accommodated, the portion of the metal needle 21 of the winged needle N ₁₁ is Without being entangled with the short tube 23 of its own or other winged needle N ₁₁ , it can be disposed of in an orderly manner. Since the metal needle 21 of the winged needle N ₁₂ is partially accommodated in the protective part 24 after use and is not exposed, the entire winged needle N ₁₂ passes through the short tube insertion opening 30 as it is in the first waste accommodating space. discard housed in the V _1.

On the other hand, even at home, a general syringe may be used for subcutaneous injection, and the general injection needle N ₂ , ampoule 62 containing the injection solution, and the like may be discarded. The general injection needle N _{2 and the} like are disposed of by using the general injection needle insertion portion A ₂ provided in the wing needle insertion portion A ₁ of the inner lid L ₂ .

When discarding the ampoule 62 for injection, the ampoule 62 is pressed against the insertion port 52 of the general injection needle insertion unit A ₂ to elastically deform the elastic pieces 54 downward to form the insertion port 52. Thus, the ampoule 62 is accommodated in the second waste accommodating space V ₂ through the insertion port 52.

Also, when discarding the general injection needle N _2, as shown in FIG. 10, by inserting a general injection needle N ₂ attached to the syringe barrel 61 into the slot 52, connected to the needle sampling groove 55 The elastic pieces 54 on both sides of the cutting 53 to be elastically deformed downward are arranged so that the heel portion N ₂ a of the base end portion of the general injection needle N ₂ is disposed below the injection needle extraction groove 55. When the syringe barrel 61 is pulled upward, the general injection needle N ₂ is removed from the syringe barrel 61 and is dropped and accommodated in the second waste accommodating space V ₂ .

When general injection needles other than the winged needles N ₁₁ and N ₁₂ such as the ampule 62 of the injection solution and the general injection needle N ₂ are accommodated in the second waste accommodating space V ₂ , the plurality of elastic pieces 54 return to the original shape. Therefore, even if the disposal case C ₁ falls down, the stored general injection needles are not discharged outside through the insertion port 52 and the second waste storage space V is closed. General injection needles housed in ₂ cannot be seen from the outside.

As described above, the wing needle disposal case C ₁ includes two different types of insertion portions, ie, the wing needle insertion portion A ₁ and the general injection needle insertion portion A _2, and the wing needles N ₁₁ and N ₁₂ Since the general injection needles can be separated and accommodated, the wing needles N ₁₁ and N ₁₂ and the general injection needle N ₂ may be entangled, which hinders the disposal of the wing needles N ₁₁ and N ₁₂ later. Furthermore, there is an advantage that the general injection needles do not pop out even if the disposal case C ₁ falls while the outer lid L ₁ is opened.

  Further, in the above structure of the piercing fixing portion D, the sponge body 36 is fixed by an adhesive between the outer vertical plate portion 31 and the first inner vertical plate portion 32 constituting the case main body B. 11, step portions 31 a and 32 a are provided in the arrangement portion of the sponge body 36 in the outer vertical plate portion 31 and the first inner vertical plate portion 32, and both the step portions 31 a and 32 a and the adhesive force are used. The sponge body 36 may be supported and fixed. In this structure, the top plate portion 33 ′ needs to be fixed to the outer vertical plate portion 31 and the first inner vertical plate portion 32 with an adhesive or the like after the sponge body 36 is arranged.

Next, with reference to FIG. 12, the winged needle disposal case C ₂ of Example 2 will be described only with respect to the differences from the disposal case C ₁ . The winged needle insertion portion A ₁ ′ of the disposal case C ₂ is arranged with a stepped portion of a two-stage piercing fixing portion D using a sponge body 36 on one side of the rectangular frame portion of the inner lid L ₂ ′. It is a thing. For this reason, in the discarded state, the arrangement direction of the winged needles N ₁₁ is constant, and there is an advantage that a large number of the winged needles N ₁₁ can be disposed of in a more orderly manner.

Next, the winged needle disposal case C ₃ of Example ₃ will be described with reference to FIG. FIG. 13 shows only the inner lid L ₂ ″ constituting the disposal case C ₃ . The case main body (not shown) of the disposal case C ₃ has a cylindrical shape. Correspondingly, the inner lid L ₂ ″ has a short cylindrical shape inside the cylindrical wall portion 71. The configuration is characterized in that the puncture fixing portions D and the elastic contact holding portions E are alternately arranged along the circumferential direction. That is, the elastic contact holding part E is composed of a pair of elastic contact plate parts 72 parallel to each other and a bottom plate part 74 in which a needle insertion hole 73 is formed, and the piercing fixing part D is an adjacent elastic contact holding part E. The upper end portion of the needle housing space 78 is closed by the top plate portion 75, and a needle insertion hole 76 is formed in the central portion of the top plate portion 75, and the top plate is formed in the needle insertion space. The sponge body 77 is inserted and disposed in contact with or close to the portion 75 and fixed with an adhesive.

Further, in the first embodiment, the partition plate 8 that partitions the first and second waste storage spaces V ₁ and V ₂ is fixed to the pair of first side plate portions 4 arranged to face each other. 14, a pair of guide members 81 are fixed inside the pair of first side plate portions 4, respectively, and a guide groove 82 is formed between the pair of guide members 81. A configuration in which the partition plate 8 is inserted into the guide groove 82 as necessary, that is, a configuration in which the partition plate 8 can be removed may be employed. As a result, the structure in which the first and second waste accommodating spaces V ₁ and V ₂ are partitioned by the presence or absence of the partition plate 8 and the first and second waste accommodating spaces V ₁ and V ₂ are continuous. You can select a structure that is an integrated space.

Further, the waste case C ₁ of Example 1, butterfly needle feeding section A ₁ of the rectangular frame-shaped inner lid L ₂ are each 2 side portion continuous among the four sides of the rectangular frame, the piercing of the different structures Although the fixing part D and the elastic contact holding part E are arranged, the piercing fixing part D or the elastic contact holding part E having the same structure may be arranged on the four sides.

Further, in the disposal case C2 of the _second embodiment, the piercing fixing part D is arranged in two stages, but the elastic contact holding part E may be arranged in two stages, and the piercing fixing part D having a different structure and The elastic contact holding portions E may be arranged in two stages.

Also, disposal case C _1, C ₂ of Examples 1 and 2, it is a structure in which features a general injection needle such feeding section A ₂ in the butterfly needle feeding section A _1, a configuration having only butterfly needle feeding section A ₁ It is also possible to make it.

A ₁ : Wing needle insertion part
A ₂ : General injection needle insertion part
B: the case body C ₁ ~C _3: butterfly needle disposal case
D: Puncture fixing part
E: Elastic contact holding part
L ₁ : outer lid L ₂ , L ₂ ′, L ₂ ″: inner lid N ₁₁ , N ₁₂ : winged needle
N ₂ : General injection needle
V ₁ : First waste storage space
V ₂ : Second waste storage space
21: Metal needle
22: Wings
23: Short tube
30: Short tube insertion opening
33: Top plate
34: Needle insertion groove 36, 77: Sponge body 41, 74: Bottom plate portion 42, 72: Elastic contact plate portion 43, 73, 76: Needle insertion hole
51: Top plate
52: Input port
53: Cutting
54: Elastic piece
55: Injection needle extraction groove
71: Cylindrical wall
75: Top plate

Claims (7)

A drip wing needle disposal case for receiving and storing a drip wing needle punctured in a human body without contact;
A case main body that houses the winged needle, an outer lid that covers the opening of the case main body, and an inner lid that is fitted into the opening of the case main body,
The inner lid is formed with a short tube insertion opening at a central portion for allowing the short tube connected to the wing needle to be disposed in the waste storage space of the case body so that the wing needle can be held. A piercing fixing portion for fixing the winged needle by piercing, or a resilient contact holding portion for holding the winged needle in a specific position by elastic restoring force generated by bending a pair of wing pieces provided on the winged needle. A winged needle disposal case for infusion, characterized in that at least one is provided at the periphery.   The case body has a square shape in plan view, and the piercing fixing portion is continuously provided on two adjacent sides in the peripheral portion of the inner lid, and the remaining portions in the peripheral portion of the inner lid are provided. The winged needle disposal case for infusions according to claim 1, wherein the elastic contact holding portions are continuously provided on two side portions.   The piercing fixing portion is configured by a sponge body disposed at a position lowered from the upper surface of the inner lid, and the winged needle is configured to pierce through the sponge body. Or the winged needle disposal case for infusions as described in 2. The elastic contact holding portion is configured such that a large number of elastic contact plate portions are bent on the horizontal plate portion and the pair of wing pieces of the winged needle are bent and opened, thereby providing an interval at which the pair of wing pieces elastically contact the elastic contact plate portion. In a standing position,
The horizontal plate portion is provided with a plurality of needle insertion holes into which a winged needle can be inserted in a state where a pair of blade pieces are in elastic contact with adjacent elastic contact plate portions. The winged needle disposal case for infusion according to 1 or 2. The case body has a rectangular shape in plan view, and the inner lid is provided with a general injection needle input portion for supplying a general injection needle, an injection solution ampule, etc.
5. The infusion wing shape according to claim 1, wherein the waste storage space of the case main body is separated into respective waste storage spaces of a wing needle and general injection needles by a partition plate. Needle disposal case.   The insertion port of the general injection needle insertion unit is closed with a plurality of elastic pieces that are cut in the radial direction, and when the general injection needles are inserted, the elastic pieces are elastically deformed to form an injection port. The winged needle disposal case for infusion according to claim 5, wherein   The injection port of the general injection needle input unit is formed with an injection needle extraction groove in a radial direction for hooking a buttock at a base end of the general injection needle and extracting it from the injection cylinder. 5. A wing needle disposal case for infusion according to 5.

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