JP2014188307A - Medical needle assembly - Google Patents

Medical needle assembly Download PDF

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Publication number
JP2014188307A
JP2014188307A JP2013068742A JP2013068742A JP2014188307A JP 2014188307 A JP2014188307 A JP 2014188307A JP 2013068742 A JP2013068742 A JP 2013068742A JP 2013068742 A JP2013068742 A JP 2013068742A JP 2014188307 A JP2014188307 A JP 2014188307A
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Japan
Prior art keywords
needle
housing
columnar member
tube
medical
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2013068742A
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Japanese (ja)
Inventor
Satoshi Hiraga
智 平賀
Seiki Arikawa
清貴 有川
Original Assignee
Sumitomo Bakelite Co Ltd
住友ベークライト株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Bakelite Co Ltd, 住友ベークライト株式会社 filed Critical Sumitomo Bakelite Co Ltd
Priority to JP2013068742A priority Critical patent/JP2014188307A/en
Publication of JP2014188307A publication Critical patent/JP2014188307A/en
Application status is Pending legal-status Critical

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Abstract

PROBLEM TO BE SOLVED: To provide a medical needle assembly which can prevent the exposure of a medical needle after storing it and can prevent an erroneous puncture while suppressing a burden on a subject.SOLUTION: A medical needle assembly includes: a needle body equipped with a needle tube having a needle tip at a distal end part and a columnar member which the needle tube penetrates; and a housing for protecting the needle tip. The needle tube has the distal end part and a proximal end part, and the needle tube has a bent part which is curved or bent relative to a long axis of the needle tube at the distal end part. The columnar member is penetrated by a part from the bent part to a proximal end side of the needle tube, and the columnar member is stored in the housing in such a manner to be movable and not to be disengaged to the proximal end side. The housing has a through-hole the needle tube penetrates. The through-hole is formed in a position that deviates laterally from a position immediately below the needle tip and is configured to prevent the needle tip from protruding to the outside of the housing again once the needle tip is stored inside the housing from the outside of the housing through the through-hole.

Description

  The present invention relates to a medical needle assembly.

Various methods have been proposed as methods for preventing erroneous puncture of a medical needle.
A medical needle having a needle having an annular protrusion on a needle tube, a hub that holds the needle, and a storage member that stores the needle tip of the needle is disclosed. According to this, after the needle tip is stored in the storage member by engaging the annular protrusion provided in the needle and the engaged portion that engages with the annular protrusion in the storage member, It is said that the needle can be prevented from being exposed and erroneous puncture can be prevented (see, for example, Patent Document 1).

  However, since the medical needle described in Patent Document 1 spreads the living tissue when the needle provided with the annular protrusion is punctured into the living tissue, there is a possibility that the subject may be burdened.

JP 2010-300 A

  An object of the present invention is to provide a medical needle assembly capable of preventing exposure of a medical needle after storage and preventing erroneous puncture while suppressing a burden on a subject.

Such an object is achieved by the present inventions (1) to (6) below.
(1) A medical needle assembly having a needle body including a needle tube having a needle tip at a distal end portion and a columnar member through which the needle tube passes, and a housing protecting the needle tip,
The needle tube has a distal end portion and a proximal end portion, and the distal end portion of the needle tube has a bent portion bent or bent with respect to the long axis of the needle tube,
The columnar member is penetrated from the vent portion of the needle tube to a proximal side portion,
The columnar member is housed in the housing in a movable and non-detachable manner to the proximal end side,
The housing has a small hole through which the needle tube passes,
The small hole is formed at a position shifted laterally from directly below the needle tip, and when the needle tip is stored from outside the housing through the small hole into the housing, the small hole is again outside the housing. A medical needle assembly configured so as not to protrude.
(2) The medical needle assembly according to (1), wherein the columnar member includes an engaging unit that engages with the housing.
(3) The engaging means moves the needle body from a state in which the needle tip protrudes from the housing, thereby engaging the housing after the needle tip is housed in the housing. The medical needle assembly according to (1) or (2) configured as described above.
(4) The passage resistance when the vent portion passes through the through hole of the columnar member from the proximal end side increases from the vent portion to the distal end portion. The medical needle assembly as described.
(5) The medical needle assembly according to any one of (1) to (4), wherein the needle body includes a needle base provided so as to cover a proximal end portion of the needle tube.
(6) The medical needle assembly according to any one of (1) to (5), wherein the needle base includes a fixing unit that fixes a posture of the needle body with respect to the housing.

  According to the present invention, it is possible to obtain a medical needle assembly that can prevent exposure of the medical needle after storage and prevent erroneous puncture while suppressing the burden on the subject.

(A1) Sectional view of the medical needle assembly according to the first embodiment of the present invention with the needle tip outside the housing, and (a2) the needle tip housed inside the housing It is sectional drawing. It is a top view of the columnar member of the medical needle assembly concerning a 1st embodiment of the present invention. It is sectional drawing of the columnar member of the medical needle assembly which concerns on the 1st Embodiment of this invention. It is a top view of the columnar member of the medical needle assembly which concerns on the 2nd Embodiment of this invention. It is a top view of the columnar member of the medical needle assembly which concerns on the 3rd Embodiment of this invention. It is sectional drawing of the columnar member of the medical needle assembly which concerns on the 3rd Embodiment of this invention. It is the top view after (b1) assembly of the columnar member of the medical needle assembly concerning a 4th embodiment of the present invention, and (b2) the top view before the assembly. It is the top view after (c1) assembly of the columnar member of the medical needle assembly concerning a 5th embodiment of the present invention, and (c2) the top view before the assembly.

  Hereinafter, the medical needle assembly of the present invention will be described in detail based on a preferred embodiment shown in the accompanying drawings.

(First embodiment)
Hereinafter, a first embodiment of a medical needle assembly of the present invention will be described with reference to the drawings. In all the drawings, the same constituent elements are denoted by the same reference numerals, and the description thereof is omitted as appropriate.
FIG. 1 is a cross-sectional view of the medical needle assembly according to the first embodiment of the present invention in which (a1) the needle tip is outside the housing, and (a2) the needle tip is stored inside the housing. It is a fragmentary sectional view of the state made.

  FIG. 2 is a top view of the columnar member of the medical needle assembly according to the first embodiment of the present invention.

  FIG. 3 is a cross-sectional view of the columnar member of the medical needle assembly according to the first embodiment of the present invention.

  The medical needle assembly 10 includes a needle body 1 and a housing 2. The needle body 1 includes a needle tube 11, a columnar member 12, a needle base 13, and a tube 14. The needle tube 11 has a needle tip 111, a tip end portion 112, a vent portion 113, and a bending portion 114. The columnar member 12 has a through hole 121 and a flange 122. The needle base 13 has a needle base side lock portion 131. The housing 2 includes a small hole 21, an engaging portion 22 that engages with the columnar member 12, and a housing-side lock portion 23. The medical needle assembly 10 can be used for various purposes such as administration of drug solutions and blood collection.

The needle tube 11 includes a needle tip 111, a distal end portion 112, a vent portion 113, and a bending portion 114 in order from the distal end side. The needle tube 11 is a so-called Hoover needle in which an integrally formed metal tube is bent or curved at a predetermined location in a predetermined manner.
The needle tube 11 has a lumen and has a cylindrical shape. The material of the needle tube 11 is not particularly limited as long as it can administer a drug solution and collect blood. Examples of the material of the needle tube 101 include metals, resins, ceramics, and the like. From the viewpoint of moldability of the needle tube 11, a metal is preferable. When the material of the needle tube 101 is a metal, examples of the material of the needle tube 101 include stainless steel.
The length of the needle tube 11 is about 5 mm to 50 mm. The outer diameter of the needle tube 11 is smaller than the inner diameter of the through hole 121 described later and the inner diameter of the small hole 21 described later. The outer diameter of the needle tube 11 is about 0.30 mm to 1.5 mm (17G-30G), and the inner diameter of the needle tube 11 is about 0.3 mm to 1.0 mm.

The needle tip 111 is provided on the distal end side of the distal end portion 112 and has a sharp shape. Since the needle tip 111 has a sharp shape, it is possible to suppress a burden when puncturing a living tissue.
The material of the needle tip 111 can be the same as the material of the needle tube 11, but the material of the needle tip 111 and the material of the needle tube 11 can be different. Examples of the material of the needle tip 111 include metals, resins, ceramics, and the like. From the viewpoint of the moldability of the needle tip 111, a metal is preferable. When the material of the needle tip 111 is a metal, examples of the material of the needle tip 111 include stainless steel.

The distal end portion 112 is provided between the needle tip 111 and the vent portion 113. The vent portion 113 is a bent or curved portion on the proximal end side of the distal end portion 112 of the needle tube 11. By providing the vent 113, the needle tip 111 increases the passage resistance when passing through the through-hole 121 provided in the columnar member 12 when the needle tube 11 is moved upward in FIG. Can be prevented from separating from the columnar member 12.
From the viewpoint of suppressing the needle tip 111 from protruding again from the housing 2 through the small hole 21 and suppressing the needle tip 111 from passing through the through hole 121 and detaching from the columnar member 12, The vent portion is preferably inclined at approximately 5 degrees or more and 30 degrees or less with respect to the longitudinal direction of the needle tube 11, and more preferably is inclined at approximately 10 degrees or more and 20 degrees or less.
As the dimensions of the tip portion 112, the length is about 2 mm to 6 mm, the outer diameter is about 0.30 mm to 1.5 mm (17G-30G), and the inner diameter is about 0.3 mm to 1.0 mm.

  The bending portion 114 has an angle of about 90 degrees between the axis line of the needle tube 11 between the distal end side of the bending portion 114 and the vent portion 113 and the axis line between the proximal end side of the bending portion 114 and the needle base 13. It is provided to become. Note that the bending portion 114 can apply an arbitrary angle of about 45 degrees or more and 90 degrees or less depending on the degree of bending of the bending section 114.

  The columnar member 12 is generally made of an elastic body and has a lump shape. The columnar member 12 includes a columnar member distal end side 127 and a columnar member proximal end side 128 that are substantially parallel, and a columnar member distal end side 127 and a columnar member proximal end side 128 are disposed at substantially the center of the columnar member 12. A penetrating through hole 121 is provided. In the columnar member 12, the needle tube 11 passes through the through hole 121 from the upper side to the lower side in FIG. The columnar member 12 is provided so as to be movable from the vent portion 113 of the needle tube 11 to the curved portion 114 of the needle tube 11.

  The through-hole 121 is in close contact with the needle tube 11 or can be slid with the needle tube 11. The inner diameter of the through hole 121 is preferably larger than the outer diameter of the needle tube 1 by about 0.02 mm to 0.5 mm. When the inner diameter of the through-hole 121 is within the above range, the needle tube 11 is disengaged from the columnar member 12 because the passage resistance when the vent 113 passes through the through-hole 121 is increased while allowing the columnar member 12 to move. This can be suppressed.

  The flange 122 is provided so as to protrude like a bowl on the outer peripheral side of the distal end side 127 of the columnar member. The flange 122 is provided to prevent the columnar member 12 from being detached from the housing 2 by engaging with the engaging portion 22 when the needle body 1 is pulled upward in FIG.

  The material of the columnar member 12 is not particularly limited, and various materials can be used as long as the columnar member 12 can move the columnar member 12 into the housing 2 and has enough rigidity to engage the flange 122 and the engaging portion 22. Things can be used. Examples of the material of the columnar member 12 include metals, resins, ceramics, and the like, and a resin is preferable from the viewpoint of moldability of the columnar member 12. When the material of the columnar member 12 is a resin, examples of the material of the columnar member 12 include polyolefin such as polyethylene and polypropylene, polyvinyl such as polystyrene, polyacryl such as polymethyl methacrylate, polycarbonate and polyether ether ketone. It is done. When the material of the columnar member 12 is a metal, examples of the material of the columnar member 12 include stainless steel.

  A typical dimension example of the columnar member 12 will be described. When the columnar member 12 is columnar, the columnar member 12 has a length in the height direction of the column of about 3 mm to 7 mm and a diameter of about 5 mm to 10 mm.

The housing 2 includes a cylindrical body portion 24 and a bottom plate 25 that closes the opening on the front end side of the body portion 24, and has a space 26 in which the columnar member 12 can be accommodated. On the other hand, the base end side of the housing 2 has an engaging portion 22 that protrudes inward.
The casing 2 is provided with a small hole 21 that penetrates the bottom plate 25 at the approximate center of the bottom plate 25 so that the needle tube 11 passes therethrough.
The material of the housing | casing 2 is not specifically limited, As long as it has the rigidity which can move the columnar member 12 to the inside of the housing | casing 2 and can engage the flange 122 and the engaging part 22, various things are possible. Things can be used. Examples of the material of the housing 2 include metals, resins, and ceramics, and a resin is preferable from the viewpoint of moldability of the housing 2. When the material of the housing 2 is a resin, examples of the material of the housing 2 include polyolefin such as polyethylene and polypropylene, polyvinyl such as polystyrene, polyacryl such as polymethyl methacrylate, polycarbonate, and polyether ether ketone. It is done. When the material of the housing 2 is a metal, examples of the material of the housing 2 include stainless steel.
The typical dimensions of the housing 2 in FIG. 1 are about 2 mm to 13 mm in the depth direction on the paper surface, about 3 mm to 7 mm in the horizontal direction, and about 3 mm to 7 mm in the upper direction. It is.

  By providing the small hole 21 in the vicinity of a straight line passing through the axial center of the through hole 121 provided in the columnar member 12, the needle tube 11 is inserted through the through hole 121 and the small hole 21 together. The inner diameter of the through hole 121 is preferably about 0.3 mm or more and 2.0 mm or less. When the inner diameter of the through hole 121 is within the above range, the needle body 1 can be pulled upward in FIG. 1 even when the through hole 121 and the small hole 21 are displaced from the vicinity of the straight line.

  The small hole 21 is provided substantially on the same line as the through hole 121. Since the needle tube 11 is bent at the vent portion 113, the small hole 21 is formed at a position shifted laterally from directly below the needle tip 111. By doing so, when the needle tip 111 passes through the small hole 21 and is stored from the outside of the housing 2 to the inside of the housing 2, the needle tip 111 does not protrude to the outside of the housing 2 again. can do.

The outer diameter of the needle tube 11 is D1, the inner diameter of the through hole 121 is D2, the inner diameter of the small hole 21 is D3, the length of the tip 112 is L1, the length of the through hole 121 is L2, and the length of the small hole 21 is L3. In the case where D1 <D2, D1 <D3, 1/2 × D3 <L1 × sinθ, and 5 ≦ θ ≦ 30, where θ is an acute angle among the bending angles formed by the needle tube 11 and the tip 121. The medical needle assembly 10 can be excellent in preventing re-exposure of the needle tip 111.
When 1/2 × D2 <L1 × sin θ, the medical needle assembly 10 causes the vent 113 to come out through the through-hole 121 when the needle tube 11 is pulled upward in FIG. Can be prevented.
Further, when 1/2 × D3 <L1 × sin θ <D3, the medical needle assembly 10 moves the needle tube 11 from (a1) to (a2) in FIG. The passage of the small holes 21 is facilitated, and on the other hand, it can be excellent in preventing re-exposure after the needle tip 111 is accommodated in the housing 2.

  The engaging portion 22 that engages with the columnar member 12 is provided in the housing 2 so as to engage with the flange portion 122 when the needle body 1 is pulled upward in FIG. By doing so, the columnar member 12 can be moved inside the housing 2, and the columnar member 12 cannot be detached from the proximal end side.

  Engagement between the engaging portion 22 and the flange portion 122 is performed at the same time or after the needle tip 111 passes from the outside of the housing 2 through the small hole 21 and is stored inside the housing 2. By doing so, the needle tip 11 does not protrude to the outside of the housing 2 again when the needle tip 11 is housed inside the housing 2.

The needle base 13 is provided so as to cover the proximal end portion of the needle body 1 in order to improve the workability of the medical needle assembly 10. Examples of the material of the needle base 13 include metals, resins, ceramics, and the like. From the viewpoint of moldability of the needle base 13, a resin is preferable. When the material of the needle base 13 is a metal, examples of the material of the needle base 13 include stainless steel. When the material of the needle base 13 is a resin, the material of the needle base 13 is, for example, a polyolefin such as polyethylene or polypropylene, a polyvinyl such as polystyrene, a polyacryl such as polymethyl methacrylate, a resin such as polycarbonate or polyether ether ketone. Materials and the like. From the viewpoint of reducing the discomfort experienced by the subject when coming into contact with the body surface of the subject, the needle base 13 is preferably made of polyethylene or polypropylene.
Examples of the shape of the needle base 13 include a rectangular parallelepiped shape, a disc shape, and a polygonal column shape. The dimensions of the needle base 13 are about 3 mm to 15 mm in the vertical direction, about 3 mm to about 20 mm in the horizontal direction, and about 2 mm to 15 mm in height.
The needle base 13 has a through hole (not shown) inside, and a base end portion (not shown) of the needle tube 11 is inserted through the through hole. The tube 14 is inserted through the through hole, and communicates with the needle tube 11 in the through hole.

  The needle base side lock portion 131 is provided on the needle base 13. The needle base side lock part 131 forms a lock with the case side lock part 23 provided on the outside of the case 2, thereby fixing the posture of the needle body 1 with respect to the case 2, and the needle tip 111 is located inside the living tissue. It is possible to suppress movement and damage to the living tissue.

  Since the medical needle assembly 10 as described above can reduce the bulk of the needle body 1 and the housing 2 in the puncture state, the medical needle assembly 10 is also reduced. As a result, when the subject moves, the medical needle assembly 10 can be reduced from being caught on clothes or the like worn by the subject or the medical needle assembly 10 being removed from the subject. Can be suppressed.

  The operation of the medical needle assembly 10 will be described. From the state in which the columnar member 12 is housed in the space 26 of the housing 2, the needle tube 11 is penetrated through the small hole 21 and the needle tip 111 is exposed to the outside of the housing 2 (FIG. 1 (a 1)), the needle base 13. 1 is lifted upward in FIG. 1, the needle base side lock portion 131 is detached from the housing side lock portion 23. When the needle base 13 is further pulled upward in FIG. 1, the vent portion 113 reaches the small hole 21. When the needle base 13 is further pulled upward in FIG. 1, the needle tube 11 is deformed due to the gap between the needle tube 11 and the small hole 21 and the elasticity of the needle tube 11, and the vent portion 113 and the tip portion 112 are Pass through the small hole 21. When the passage of the needle tip 111 to the small hole 21 is completed, the needle tube 11 tends to return to its original shape due to the elasticity of the needle tube 11. Since the needle tip 111 moves to a position shifted from the small hole 21, even if the needle base 13 is pushed downward in FIG. 1, the needle tip 111 contacts the bottom plate 25, so that the needle tip 111 again moves the small hole 21. It can be prevented from passing through and protruding outside the housing 2. Since the through hole 121 is caught by the vent portion 113, the columnar member 12 moves away from the inner side of the bottom plate 25. The flange 122 engages with the engaging portion 22 after the needle tip 111 passes through the small hole 21. Further, even if the needle base 13 is to be lifted upward in FIG. 1, the through hole 121 is almost in close contact with the needle tube 11 or can be slid with the needle tube 11, so that the vent portion 113 is caught by the through hole 121. The needle tube 11 does not leave the columnar member 12 through the through hole 121. That is, as shown in FIG. 1 (a2), the needle tip 111 does not protrude outside the casing 2 through the small hole 21, and does not leave the columnar member 12 through the through hole 21. The tip 111 is housed in the space 26.

(Second Embodiment)
Next, a second embodiment of the present invention will be described.
In the following, the second embodiment will be described. However, differences from the first embodiment will be mainly described, and description of similar matters will be omitted.

  FIG. 4 is a top view of the columnar member of the medical needle assembly according to the second embodiment of the present invention. The shape of the columnar member is a quadrangular columnar shape, and the others are the same as in the first embodiment.

  Since the columnar member 12 has a quadrangular columnar shape, the columnar member 12 does not rotate with respect to the axis of the needle tube 11 inside the housing 2, so that the columnar member moves during use for a subject, thereby generating sound and vibration. It is possible to achieve a more comfortable use feeling.

(Third embodiment)
Next, a third embodiment of the present invention will be described.
In the following, the third embodiment will be described. However, differences from the second embodiment will be mainly described, and description of similar matters will be omitted.

FIG. 5 is a top view of the columnar member of the medical needle assembly according to the third embodiment of the present invention. FIG. 6 is a cross-sectional view of the columnar member of the medical needle assembly according to the third embodiment of the present invention.
The columnar member 12 has an elliptical column shape, and a part of the flange 122 is missing. Others are the same as in the second embodiment.

  Since the columnar member 12 has an elliptical columnar shape, the columnar member 12 does not rotate with respect to the axis of the needle tube 11 inside the housing 2, so that the columnar member moves during use for a subject, thereby generating sound and vibration. It is possible to achieve a more comfortable use feeling.

(Fourth embodiment)
Next, a fourth embodiment of the present invention will be described.
In the following, the fourth embodiment will be described. However, differences from the third embodiment will be mainly described, and description of similar matters will be omitted.

  FIG. 7: is the top view after (b1) assembly of the columnar member of the medical needle assembly which concerns on the 4th Embodiment of this invention, and (b2) The top view before an assembly. The columnar member 12 has a structure that can be opened by the columnar member bonding surface 123. Since the columnar member 12 includes the hinge portion 124, the columnar member 12 can be configured with a single component. When it is desired to increase the strength of the columnar member 12, the columnar member 12 can be made into one component by joining the columnar member joining surfaces 123 by adhesion or welding. Others are the same as in the third embodiment.

(Fifth embodiment)
Next, a fifth embodiment of the present invention will be described.
In the following, the fifth embodiment will be described. However, differences from the fourth embodiment will be mainly described, and description of similar matters will be omitted.

FIG. 8: is the top view after the assembly of the columnar member of the medical needle assembly which concerns on the 5th Embodiment of this invention, (c2) The top view before an assembly. The columnar member 12 is provided with a projection 125 and a fitting portion 126 that can be fitted to each other on the columnar member joining surface 123, and the projection 125 and the fitting portion 126 are fitted to each other, whereby FIG. From the state where the columnar member 12 shown in FIG. 8 is opened, the columnar member 12 shown in FIG. Others are the same as in the fourth embodiment.


DESCRIPTION OF SYMBOLS 1 Needle body 10 Medical needle assembly 11 Needle tube 111 Needle tip 112 Tip part 113 Vent part 114 Curved part 12 Columnar member 121 Through-hole 122 Flange 123 Columnar member joining surface 124 Hinge part 125 Projection 126 Fitting part 127 Tip of columnar member Side 128 Base end side of columnar member 13 Needle base 131 Needle base side lock portion 14 Tube 2 Housing 21 Small hole 22 Engaging portion 23 Housing side lock portion 24 Body portion 25 Bottom plate 26 Space

Claims (6)

  1. A medical needle assembly having a needle body including a needle tube having a needle tip at a distal end portion and a columnar member through which the needle tube passes, and a housing protecting the needle tip,
    The needle tube has a distal end portion and a proximal end portion, and the distal end portion of the needle tube has a bent portion bent or bent with respect to the long axis of the needle tube,
    The columnar member is penetrated from the vent portion of the needle tube to a proximal side portion,
    The columnar member is housed in the housing in a movable and non-detachable manner to the proximal end side,
    The housing has a small hole through which the needle tube passes,
    The small hole is formed at a position shifted laterally from directly below the needle tip, and when the needle tip is stored from outside the housing through the small hole into the housing, the small hole is again outside the housing. A medical needle assembly configured so as not to protrude.
  2.   The medical needle assembly according to claim 1, wherein the columnar member includes an engaging unit that engages with the housing.
  3.   The engaging means is configured to move the needle body from a state in which the needle tip protrudes from the housing, and thereby engage the housing after the needle tip is stored in the housing. The medical needle assembly according to claim 1 or 2.
  4.   The medical needle according to any one of claims 1 to 3, wherein a passage resistance when the vent portion passes through the through hole of the columnar member from the proximal end side increases from the vent portion to the distal end portion. Assembly.
  5.   The medical needle assembly according to any one of claims 1 to 4, wherein the needle body includes a needle base provided so as to cover a proximal end portion of the needle tube.
  6.   The medical needle assembly according to any one of claims 1 to 5, wherein the needle base includes fixing means for fixing the posture of the needle body with respect to the housing.
JP2013068742A 2013-03-28 2013-03-28 Medical needle assembly Pending JP2014188307A (en)

Priority Applications (1)

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JP2013068742A JP2014188307A (en) 2013-03-28 2013-03-28 Medical needle assembly

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Application Number Priority Date Filing Date Title
JP2013068742A JP2014188307A (en) 2013-03-28 2013-03-28 Medical needle assembly

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Publication Number Publication Date
JP2014188307A true JP2014188307A (en) 2014-10-06

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012000642A1 (en) * 2010-06-28 2012-01-05 B. Braun Medical S.A.S. Needle having a safety device
JP2012519536A (en) * 2009-03-05 2012-08-30 アースキン メディカル エルエルシー Needle medical device and related methods

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012519536A (en) * 2009-03-05 2012-08-30 アースキン メディカル エルエルシー Needle medical device and related methods
WO2012000642A1 (en) * 2010-06-28 2012-01-05 B. Braun Medical S.A.S. Needle having a safety device

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