CN110354334A - Transfusion port puncture needle head and its manufactured transfusion port puncture needle - Google Patents
Transfusion port puncture needle head and its manufactured transfusion port puncture needle Download PDFInfo
- Publication number
- CN110354334A CN110354334A CN201910673785.1A CN201910673785A CN110354334A CN 110354334 A CN110354334 A CN 110354334A CN 201910673785 A CN201910673785 A CN 201910673785A CN 110354334 A CN110354334 A CN 110354334A
- Authority
- CN
- China
- Prior art keywords
- puncture needle
- needle
- blade
- transfusion port
- axis
- Prior art date
- 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
Links
- 238000005452 bending Methods 0.000 claims abstract description 21
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002626 targeted therapy Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of transfusion port puncture needle head, syringe needle is whole in the cylindrical space that puncture needle outer surface is wrapped up, needle tubing where syringe needle is whole is bending segment, main blade surface curving of the bending segment to syringe needle, the axis of bending segment is bending axis, main blade surface is ring plain, and the closed figure surrounded with the outer profile of the main blade surface and puncture needle axis are without intersection point；Main blade surface and pricker tube wall form two cutting blades.Above-mentioned transfusion port transfusion port puncture needle made of puncture needle head is used the invention also discloses a kind of.Compared with the existing technology, technical effect of the invention is the unique design of the present invention, radial distance between two blade tips is very small, and when puncturing pin puncture diaphragm, the track of two cutting blades operation is approximately one, it avoids and strip diaphragm occurs, reduce the probability that diaphragm is cut.
Description
Technical field
The present invention relates to a kind of transfusion port components.
Background technique
Clinically indispensable at present to will use venous port access (also referred to as transfusion port), transfusion port is a kind of
The blood vessel access system being fully implanted in, it is possible to provide the treatment channel of long-term bloody path, especially suitable for targeted therapy.
Summary of the invention
The technical problem to be solved in the present invention:
The product technology of transfusion port states clearly in requiring, puncture window to bear puncture needle in use greater than 1000 tasks and
It is unable to leakage, for this purpose, increasing the paracentesis resistance for puncturing window and improving puncture needle just seems to the non-invasi for puncturing window
It is most important.
But common puncture needle, referring to Fig. 1, there are two cutting blades in 50 meeting of syringe needle for the blade surface of the syringe needle 50 of puncture needle: one
A is outer cutting blade 51 at the far end, this cutting blade multidigit is on the outer wall for puncturing needle tubing；Another is the interior cutting blade 52 in proximal end, position
In on the inner wall for puncturing needle tubing；Two cutting blades radial distance, d (be exactly its between the projection on needle tubing sectional plane away from
From) it is greater than the internal diameter for puncturing needle tubing.
When puncture needle is by puncturing window, the track of above-mentioned two cutting blade operation should be independent two, general outer
The trace that cutting blade leaves is similar V-arrangement, and the general trace that cannot be left with outer cutting blade in track that interior cutting blade leaves is overlapped,
In this way, interior cutting blade is bound to, outer cutting blade is formed by except notch on puncturing window forms another notch, although puncturing window meeting
Flexible deformation occurs to fight cutting of the interior cutting blade to material by the characteristic of own material, still, the damage to material is
It will be apparent that especially just centainly having material after multiple pierce through and being cut, lead to the damage for puncturing window,
And it influences its sealing performance and then terminates in advance its service life.
For this purpose, having different technical solutions in the form of the tip for changing puncture needle to obtain the protection to window is punctured, tool
Body has a patent: Patent No. CN201380003571.4, Patent No. CN201810323891.2, the former discloses a kind of incite somebody to action
Puncture needle reversely bend after again positive simmering and bending with formed the blade surface of the outer cutting blade of puncture needle, the blade surface of interior cutting blade with puncture needle
The specific needle point form that axis coincides is mitigated in use with reaching to the degree of injury for puncturing window；The latter is then open
A kind of puncturing needle special of trochar form, puncture window is protected with the form of casing.
Technical solution of the present invention specifically:
A kind of transfusion port puncture needle head, syringe needle is whole in the cylindrical space that puncture needle outer surface is wrapped up, and syringe needle is whole
The needle tubing at place is bending segment, and bending segment is to the main blade surface curving of syringe needle, and the axis of bending segment is bending axis, and main blade surface is
Ring plain, the closed figure surrounded with the outer profile of the main blade surface and puncture needle axis are without intersection point；Main blade surface and pricker tube wall
Form two cutting blades: the first cutting blade of distal end, proximal end the second cutting blade, the blade tip of the first cutting blade is the first blade tip, the second cutting blade
Sword in be the second blade tip, radial distance, d≤needle tubing wall thickness P between the first blade tip and the second blade tip.
Radial distance, d is zero.
First cutting blade is trigone sword, and one side is main blade surface, and in addition two sides are two blade surfaces, and two blade surfaces or so are set
It sets, the intersection of two blade surfaces, which is formed, carries on the back sword, and the intersection of two blade surfaces and main blade surface all forms the cutting edge of the first cutting blade.
It is a kind of using transfusion port puncture needle made of above-mentioned transfusion port puncture needle head, including lower support, upper support,
Puncture needle, connecting tube and hose；Lower support includes two up and down to be fixed together, and lower part is down big up small cone cell, top
For equipped with externally threaded screw rod, middle is equipped with the hole of perforation or more；Upper support is tool internal thread pipe, and upper section is to side
Plate is stretched out in face, and the upper surface of plate is equipped with connection tube hub and extraneous groove, and the section of groove is circular arc, and upper support is under
Support is threadedly coupled；Puncture needle is integrally in 90 degree of bending types, and back segment is fixedly connected with one end of pipe, leading portion from upper support, under
It is stretched out in support, is exposed to the syringe needle of puncture needle below lower support, wherein " puncturing needle axis " described in claim 1
Exactly puncture the axis of the leading portion of needle axis, the previously described " cylindrical space that syringe needle is integrally wrapped up in puncture needle outer surface
It is interior " it is exactly " syringe needle is whole in the cylindrical space that puncture needle leading portion outer surface is wrapped up "；Connecting tube is fixed in groove,
The other end fixes hose.
Connecting tube is medical plastic expects pipe.
Hose is medical transparent pipe.
Being fixed as between puncture needle, hose and connecting tube is be bonded.
Connecting tube is bonded in the groove of support.
Compared with the existing technology, technical effect of the invention is the unique design of the present invention, the radial direction between two blade tips
Distance is very small, and when puncturing pin puncture diaphragm, the track of two cutting blades operation is approximately one, avoids and strip occurs
Diaphragm reduces the probability that diaphragm is cut.
Detailed description of the invention
Fig. 1 is the schematic diagram of syringe needle in the prior art.
Fig. 2 is decomposition diagram of the invention.
Fig. 3 is diagrammatic cross-section of the invention.
Fig. 4 is the enlarged diagram of syringe needle in Fig. 2.
Fig. 5 is the section enlarged diagram of syringe needle in Fig. 2.
Specific embodiment
Such as Fig. 2-5, a kind of transfusion port puncture needle head, the cylindrical space that syringe needle is integrally wrapped up in puncture needle outer surface
Interior, the needle tubing where syringe needle is whole is bending segment 3A, main blade surface 3C curving of the bending segment 3A to syringe needle, the axis of bending segment 3A
Line is bending axis 3B, and main blade surface 3C is similar with the blade surface of common puncture needle head, is ring plain (referring to fig. 4), with the main sword
The closed figure (similar oval) that the outer profile of face 3C surrounds is with puncture needle axis 30 without intersection point, meaning are as follows: main blade surface 3C is whole
Body is all in the side for puncturing needle axis 30, referring to fig. 4.
Main blade surface 3C should be theoretically plane, still, because current processing technology is wheel grinding, in fact, should
A little be recessed slightly on the inside of main blade surface, but be also considered as plane in engineering, this place state " main blade surface 3C is ring-shaped flat
" plane " meaning in face " includes fully-flattened, also includes engineering plane.
Main blade surface 3C and pricker tube wall form two cutting blades: the similar prior art of the first cutting blade 3C1(of distal end it is circumscribed
Sword), the second cutting blade 3C2(of proximal end similar to the prior art interior cutting blade), the blade tip of the first cutting blade 3C1 be the first blade tip 3F(its
Be exactly at the distalmost end of the outer cutting blade 51 in background technique), in the sword of the second cutting blade 3C2 for the second blade tip 3E(its with background skill
The similar tip of interior cutting blade 52 in art), the radial distance, d between 3 E of the first blade tip 3F and the second blade tip (is exactly it in needle tubing
The distance between projection on sectional plane)≤needle tubing wall thickness P.
Referring to Fig. 5.When puncturing pin puncture diaphragm, the distance between track of two blade tips operation is very narrow, because
The reason of material, when the distance be too narrow to a certain degree just can not blanking, avoid and strip diaphragm occur, reduce diaphragm and cut
The probability cut.Allow to blanking, compared with the existing technology, the thickness of strip diaphragm can also become smaller, and also subtract to the damage of material
It is small, diaphragm service life can be extended.
D is preferably zero.This when puncturing pin puncture diaphragm, it is one that the track of two blade tips operation, which is just overlapped, is kept away
Exempt from strip diaphragm occur, has reduced the probability that diaphragm is cut.
Because diaphragm is thicker, referring to Fig. 1, bend at outer cutting blade 51, bending section forms barb, if barb is inside
Lateral bend damages smaller because there is the protection of needle tubing；If the inside outer lateral bend of barb, because losing the guarantor of needle tubing
Shield, is damaged larger.Syringe needle of the invention, exactly barb is formed at the first cutting blade 3C1, regardless of barb is inside, outside lateral bend,
Can be by the protection of needle tubing, damaging all can be smaller, and from this point forward, the present invention also makes progress.
In order to avoid there is above-mentioned barb, referring to fig. 4, the first cutting blade 3C1 is trigone sword, and one side is main blade surface 3C, separately
Outer two sides (back side of main blade surface) are two blade surface 3D, and two times blade surface 3D left and right settings (can only see one sword in Fig. 4
Face 3D), the intersection of two time blade surface 3D forms back sword 3D1, and the intersection of two blade surface 3D and main blade surface 3C all forms the
One cutting blade 3C1.Secondary blade surface 3D is also wheel grinding.
This trigone sword puncture force is stronger, avoids the occurrence of barb.
Such as Fig. 2-3, transfusion port puncture needle made of a kind of above-mentioned transfusion port puncture needle head, including lower support 1, on
Support 2, puncture needle 3, connecting tube 4 and hose 5.
Lower support 1 includes two up and down to be fixed together, and lower part is down big up small cone cell, and top is equipped with external screw thread
The screw rod of 1A, middle are equipped with the hole of perforation or more.
Upper support 2 is the pipe with internal screw thread 2B, and upper section stretches out plate 2A to side, and the upper surface of plate 2A, which is equipped with, to be connected
Siphunculus center and the section of extraneous groove 2A1, groove 2A1 are circular arc, and upper support 2 is threadedly coupled with lower support 1.
It is in 90 degree of bending L-types that puncture needle 3 is whole, and back segment (straight section) is fixedly connected with one end of pipe 4, and leading portion is from upper branch
It is stretched out in support 2, lower support 1, is exposed to the syringe needle of puncture needle 3 below lower support 1, wherein previously described " to puncture needle shaft
Line " is exactly " axis of puncture needle leading portion ", the previously described " cylindrical space that syringe needle is integrally wrapped up in puncture needle outer surface
It is interior " it is exactly " syringe needle is whole in the cylindrical space that puncture needle leading portion outer surface is wrapped up ".
Connecting tube 4 is medical plastic expects pipe.
Hose 5 is medical transparent pipe.
Being fixed as between puncture needle 3, hose 5 and connecting tube 4 is be bonded.
Connecting tube 5 is bonded in the groove 2A1 of support 2.
The internal screw thread of upper support is matched with the external screw thread of lower support, and the syringe needle exposure of puncture needle 3 is adjustable by rotating
Length.
Its working principle is that:
It needs to regulate in use, screw support the length of the syringe needle exposure of puncture needle 3, then keeps lower support docile in trouble
Person's skin surface.Later application method is identical as existing transfusion port puncture needle, is not repeating.
Other content participates in the prior art.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention
Protection scope.
Claims (8)
1. a kind of transfusion port puncture needle head, it is characterised in that: the whole column wrapped up in puncture needle outer surface of syringe needle is empty
In, the needle tubing where syringe needle is whole is bending segment (3A), main blade surface (3C) curving of bending segment (3A) to syringe needle, bending
The axis of section (3A) is bending axis (3B), and main blade surface (3C) is ring plain, the envelope surrounded with the outer profile of the main blade surface (3C)
It closes figure and punctures needle axis (30) without intersection point；
Main blade surface (3C) and pricker tube wall form two cutting blades: the first cutting blade (3C1) of distal end, proximal end the second cutting blade (3C2),
The blade tip of first cutting blade (3C1) is the first blade tip (3F), is the second blade tip (3E), the first blade tip in the sword of the second cutting blade (3C2)
Radial distance, d≤needle tubing wall thickness P between (3F) and the second blade tip (3E).
2. transfusion port puncture needle head as described in claim 1, it is characterised in that: radial distance, d zero.
3. transfusion port puncture needle head as described in claim 1, it is characterised in that: the first cutting blade (3C1) is trigone sword,
Side is main blade surface (3C), and in addition two sides are two blade surfaces (3D), two blade surface (3D) left and right settings, two blade surfaces
The intersection of (3D) forms back sword (3D1), and two blade surfaces (3D) and the intersection of main blade surface (3C) all form the first cutting blade
The cutting edge of (3C1).
4. a kind of use transfusion port puncture needle made of transfusion port puncture needle head described in claim 1, including lower branch
Support (1), upper support (2), puncture needle (3), connecting tube (4) and hose (5)；
Lower support (1) includes two up and down to be fixed together, and lower part is down big up small cone cell, and top is equipped with external screw thread
The screw rod of (1A), middle are equipped with the hole of perforation or more；
Upper support (2) is the pipe with internal screw thread (2B), and upper section stretches out plate (2A) to side, and the upper surface of plate (2A) is set
There are connection tube hub and extraneous groove (2A1), the section of groove (2A1) is circular arc, upper support (2) and lower support (1) screw thread
Connection；
Puncture needle (3) is integrally in 90 degree of bending (L) types, and back segment is fixedly connected with one end of pipe (4), leading portion from upper support (2),
It is stretched out in lower support (1), is exposed to the syringe needle of puncture needle (3) below lower support (1), wherein described in claim 1
" puncturing needle axis " is exactly the axis for puncturing the leading portion of needle axis, and previously described " syringe needle is integrally wrapped in puncture needle outer surface
In the cylindrical space wrapped up in " it is exactly " syringe needle is whole in the cylindrical space that puncture needle leading portion outer surface is wrapped up "；
Connecting tube (4) is fixed in groove (2A1), and the other end is fixed hose (5).
5. transfusion port puncture needle as claimed in claim 4, it is characterised in that: connecting tube (4) is medical plastic expects pipe.
6. transfusion port puncture needle as claimed in claim 4, it is characterised in that: hose (5) is medical transparent pipe.
7. transfusion port puncture needle as claimed in claim 4, it is characterised in that: puncture needle (3), hose (5) and connecting tube (4)
Between be fixed as be bonded.
8. transfusion port puncture needle as claimed in claim 4, it is characterised in that: connecting tube (5) is bonded in the recessed of support (2)
In slot (2A1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673785.1A CN110354334A (en) | 2019-07-24 | 2019-07-24 | Transfusion port puncture needle head and its manufactured transfusion port puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673785.1A CN110354334A (en) | 2019-07-24 | 2019-07-24 | Transfusion port puncture needle head and its manufactured transfusion port puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110354334A true CN110354334A (en) | 2019-10-22 |
Family
ID=68220757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910673785.1A Pending CN110354334A (en) | 2019-07-24 | 2019-07-24 | Transfusion port puncture needle head and its manufactured transfusion port puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110354334A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2717599A (en) * | 1952-02-18 | 1955-09-13 | Huber Jennie | Needle structure |
| JPH0852212A (en) * | 1994-08-12 | 1996-02-27 | Kawasumi Lab Inc | Needle for medical treatment |
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| JP2008079868A (en) * | 2006-09-28 | 2008-04-10 | Hakko Co Ltd | Puncture needle for epidural cavity |
| US20080154217A1 (en) * | 2005-02-03 | 2008-06-26 | Vygon | Puncture Tips And Catheter Tubes |
| CN101417157A (en) * | 2008-11-28 | 2009-04-29 | 马遂根 | Method capable of preventing transfusion needle from piercing blood vessel |
| CN201564572U (en) * | 2010-01-06 | 2010-09-01 | 刘蓉 | Improved lumbar catheterization puncture needle |
| JP2014004249A (en) * | 2012-06-26 | 2014-01-16 | Unique Medical Co Ltd | Injection needle and electrode needle |
| CN203493999U (en) * | 2013-07-26 | 2014-03-26 | 余式亩 | Secure medical needle preventing exfoliation and realizing small puncture resistance |
| CN103889487A (en) * | 2012-01-09 | 2014-06-25 | 费森尤斯卡比德国有限公司 | Port cannula for puncturing port catheters |
| CN107847670A (en) * | 2015-07-30 | 2018-03-27 | 泰尔茂株式会社 | The manufacture method of medical puncture needle and puncture needle |
| CN210992268U (en) * | 2019-07-24 | 2020-07-14 | 河南曙光汇知康生物科技股份有限公司 | Puncture needle head for infusion port and puncture needle for infusion port manufactured by same |
-
2019
- 2019-07-24 CN CN201910673785.1A patent/CN110354334A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2717599A (en) * | 1952-02-18 | 1955-09-13 | Huber Jennie | Needle structure |
| JPH0852212A (en) * | 1994-08-12 | 1996-02-27 | Kawasumi Lab Inc | Needle for medical treatment |
| CN1259055A (en) * | 1998-05-08 | 2000-07-05 | 日本医生株式会社 | Medical puncture needle and method of manufacturing same |
| CN2576248Y (en) * | 2002-08-19 | 2003-10-01 | 陈庆强 | Medicine-feeding device needle |
| US20060276759A1 (en) * | 2003-01-21 | 2006-12-07 | Peter Kinast | Needle for penetrating a membrane |
| JP2004358016A (en) * | 2003-06-06 | 2004-12-24 | Nipro Corp | Puncture needle easily inserted along puncture route |
| US20080154217A1 (en) * | 2005-02-03 | 2008-06-26 | Vygon | Puncture Tips And Catheter Tubes |
| CN2882643Y (en) * | 2005-12-13 | 2007-03-28 | 唐志芳 | Syringe needle |
| JP2008079868A (en) * | 2006-09-28 | 2008-04-10 | Hakko Co Ltd | Puncture needle for epidural cavity |
| CN101417157A (en) * | 2008-11-28 | 2009-04-29 | 马遂根 | Method capable of preventing transfusion needle from piercing blood vessel |
| CN201564572U (en) * | 2010-01-06 | 2010-09-01 | 刘蓉 | Improved lumbar catheterization puncture needle |
| CN103889487A (en) * | 2012-01-09 | 2014-06-25 | 费森尤斯卡比德国有限公司 | Port cannula for puncturing port catheters |
| JP2014004249A (en) * | 2012-06-26 | 2014-01-16 | Unique Medical Co Ltd | Injection needle and electrode needle |
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| CN107847670A (en) * | 2015-07-30 | 2018-03-27 | 泰尔茂株式会社 | The manufacture method of medical puncture needle and puncture needle |
| CN210992268U (en) * | 2019-07-24 | 2020-07-14 | 河南曙光汇知康生物科技股份有限公司 | Puncture needle head for infusion port and puncture needle for infusion port manufactured by same |
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