CN102294063A - Disposable transfusion needle - Google Patents
Disposable transfusion needle Download PDFInfo
- Publication number
- CN102294063A CN102294063A CN2011102682478A CN201110268247A CN102294063A CN 102294063 A CN102294063 A CN 102294063A CN 2011102682478 A CN2011102682478 A CN 2011102682478A CN 201110268247 A CN201110268247 A CN 201110268247A CN 102294063 A CN102294063 A CN 102294063A
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- China
- Prior art keywords
- needle
- disposable infusion
- position limiting
- limiting structure
- infusion needle
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Abstract
The invention discloses a disposable transfusion needle, which comprises a needle pipe and a needle hole at the tail end of the needle pipe, wherein at least one needle hole is formed on the side wall of the needle pipe. The disposable transfusion needle is provided with a limiting structure which is used for limiting the transfusion needle and is moved relative to a connecting object such as an injection piece; and the limiting structure is in linear contact or surface contact with the connecting object. By a side hole needle pipe of the disposable transfusion needle, the problem of puncture desquamation can be solved. The disposable transfusion needle is provided with a movable limiting device, so that the effect of breaking force of the needle pipe is reduced and the phenomenon of breaking of the needle pipe can be prevented when limbs of a patient move or a transfusion device is moved.
Description
Technical field
The present invention relates to medical instruments field, be specifically related to a kind of disposable infusion needle.
Background technology
The needle tubing of venoclysis needle is the inclined-plane pin, and needle tubing connects needle handle, and passes through the needle stand connecting duct and the infusion utensil Connection Block of needle handle rear end, and it mainly acts on is that the transfusion path is set up in venipuncture, and supporting infusion utensil is used to carry out transfusion and blood transfusion.The needle handle of venoclysis needle mainly contains two kinds, single-blade and double-vane, as shown in Figure 2 two kinds.Mainly hold the pin puncture, after puncturing successfully, conveniently venoclysis needle is fixed on patient's limbs for the ease of the nurse.
But when clinical transfusion has the infusion utensil of injection member in use as remaining needle or central venous catheter etc., generally, use conventional venoclysis needle to be connected, following point can occur like this with the injection member of remaining needle or central venous catheter etc.:
1. existing venoclysis needle needle tubing is the angle needle tubing, and syringe needle puncture to rubber stopper when puncture injection spare has dissection, the exfoliation problem can occur, and exfoliation can cause certain injury to human body after entering human body.
2. in addition, the needle handle of existing venoclysis needle is single-blade and double-vane, and its needle tubing root does not have and the fixed position limiting structure of injection member puncture face, and when being connected with injection member, needle handle can not be effectively fixing with injection member, causes both self-movements.When infusion tube happens suddenly when mobile, the needle tubing root can the bent needle situation occur, as shown in Figure 3 because of stressed (because lever principle, needle tubing can be subjected to very big breaking force).
3. the point of puncture of existing needle tubing and extraneous the contact, no effective isolation protective measure, when the infusion utensil of needle tubing connection moves or patient's limbs have when mobile, may allow microorganism enter to the little slit of point of puncture generation power appearance of the plug of injection member.And finishing the back owing to there is not protective sleeve in transfusion, the injection member puncture face length time exposes contact microorganism and physics microgranule and chemical substance, and there is certain risk in the patient of weakness.
4. existing venoclysis needle does not have anti-acupuncture protector, may bring accidental puncture to the operator.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the existing exfoliation problem of disposable infusion needle when puncture injection spare, provides a kind of rubber stopper that punctures not have the disposable infusion needle of exfoliation.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
Disposable infusion needle comprises needle tubing and terminal pin hole thereof, it is characterized in that, at least one pin hole is set on the sidewall of described needle tubing.
Preferably, described disposable infusion needle is provided with a restriction transfusion needle with respect to its connecting object, as injection member, and mobile position limiting structure; Described position limiting structure be contact with its connecting object line or face contact shell, medicated cap, cover, clamp, card or buckle structure; Or column position limiting structure.Particularly, as position limiting structure be and the vertical locating piece of the transfusion needle longitudinal axis, positioning disk, location-plate; Or structures such as the location-plate substantially parallel, pawl with the transfusion needle longitudinal axis.
Preferably, described position limiting structure is fixed on the described transfusion needle or can rotates or move up and down with respect to transfusion needle.Wherein, described position limiting structure can be set on the needle tubing be arranged on the conduit or needle tubing and conduit between the two.
Preferably, described column position limiting structure, be preferably cover, cover or the pawl of column, and which is provided with and connecting object, as the fixed fixed mechanism of injection member, as barb buckle, salient line, the face that closely cooperates that utilizes frictional force, the rope of tying tight or strip fixing band, elasticity folder, snap close, clamp; And the internal diameter of described cylindrical sleeve is less than people's finger diameter, and its longitudinal length extends to the end above needle tubing.
Preferably, described column pawl comprises end face and cylindrical lateral surface, and described cylindrical lateral surface comprises by the downward plural at least pawl structure of the vertical extension of end face.
Preferably, the gap of the adjacent pawl structure of described column pawl is less than people's finger diameter, and pawl structure longitudinal length extends to the end above needle tubing.
Preferably, also be provided with a self-styled sheath on the needle tubing between described position limiting structure and the needle point, after the needle tubing of disposable infusion needle is extracted, can be retained in and form a protection structure on the injection member.
Preferably, described self-styled sheath is the structure of elastic rubber material or silica gel or PVC material preparation, or is the elastic reset structure.
Preferably, described disposable infusion needle also comprises the conduit that is connected with needle tubing, also is provided with liquid medicine filter on described conduit.
Preferably, described disposable infusion needle also comprises the conduit that is connected with needle tubing, also is provided with flow-stopping clip on described conduit.
Than solution of the prior art, advantage of the present invention is:
1. the side opening needle tubing of disposable infusion needle of the present invention can solve puncture exfoliation problem.
2. disposable infusion needle of the present invention is provided with restriction and the mobile position limiting structure of connecting object (injection member), can paste mutually with the injection member face that punctures and effectively fixing, connect as a whole, patient's limbs move or infusion set reduces when moving or eliminate the breaking force effect, and the needle tubing phenomenon that fractures can not take place.
3. disposable infusion needle of the present invention is provided with the self-styled sheath of protection injection member; transfusion needle passes self-styled sheath and flexibly connects; when transfusion needle connects injection member; self-styled sheath can be placed on the injection member; when transfusion, play the effect of insulation blocking puncture face, avoid taking place in the infusion process microbial contamination.When transfusion needle separated with injection member after transfusion finished, because self-styled sheath and transfusion needle are to flexibly connect, extract the back because the frictional force that the frictional force of self-styled sheath and transfusion needle flexible connection is connected with injection member less than self-styled sheath at transfusion needle, transfusion needle is extracted as a result, and self-styled sheath is stayed on the injection member.After transfusion needle was extracted, transfusion needle passes the aperture that self-styled sheath stays can be self-styled, and after transfusion needle is extracted, continue to stay on the injection member, and the protection injection member is avoided being polluted by microorganism and other harmful substances.
4. column position limiting structure of the present invention is preferably longitudinal length and extends to above length of needlepoint, and its internal diameter plays anti-acupuncture effect again less than ordinary person's finger.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the sketch map of the angle needle tubing of prior art;
Fig. 2 is the venoclysis needle of prior art;
Fig. 3 connects stressed sketch map for the transfusion device of prior art;
The side opening needle tubing sketch map of Fig. 4 disposable infusion needle of the present invention;
Fig. 5 is provided with the disposable infusion needle one embodiment sketch map of position limiting structure for the present invention;
Fig. 6 is provided with the another embodiment sketch map of disposable infusion needle of position limiting structure for the present invention;
Fig. 7 is the position limiting structure one embodiment sketch map of disposable infusion needle of the present invention;
Fig. 8 is the another embodiment sketch map of position limiting structure of disposable infusion needle of the present invention;
Fig. 9 is the another embodiment sketch map of position limiting structure of disposable infusion needle of the present invention;
Figure 10 is provided with the another embodiment sketch map of disposable infusion needle of position limiting structure for the present invention;
Figure 11 a and Figure 11 b are disposable infusion needle one embodiment user mode sketch map of the present invention;
Figure 12 is an embodiment sketch map of disposable infusion needle of the present invention;
Figure 13 is disposable infusion needle one a preferred embodiment sketch map of the present invention;
Figure 14 is the another embodiment user mode sketch map of disposable infusion needle of the present invention.
Wherein: 1 is the barb buckle, and 2 is pin hole, and 3 is needle tubing, and 4 is needle handle, and 5 is liquid medicine filter, 6 is conduit, and 7 is infusion utensil Connection Block, and 8 is the column position limiting structure, and 9 is self-styled sheath, and 10 is injection member, 81 is positioning disk, and 82 is location-plate, and 83 is the column pawl, and 831 is the pawl structure of column pawl.
The specific embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are used to the present invention is described and are not limited to limit the scope of the invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment
The side opening needle tubing sketch map of disposable infusion needle of the present invention as shown in Figure 4 is provided with a pin hole 2 on the sidewall of needle tubing 1, syringe needle the exfoliation problem can not occur when puncture injection spare, thereby has avoided human body is damaged.
Shown in Figure 5 is the disposable infusion needle one embodiment sketch map that the present invention is provided with position limiting structure, and disposable infusion needle is provided with the position limiting structure that a restriction transfusion needle moves relative to injection member; Described position limiting structure contacts or the face contacting structure for having with the injection member line, and position limiting structure is a positioning disk 81 vertical with the transfusion needle longitudinal axis and that contact with the injection member face in the present embodiment.
Be provided with the disposable infusion needle one embodiment sketch map of position limiting structure as Fig. 6 for the present invention, disposable infusion needle is provided with the position limiting structure that a restriction transfusion needle moves relative to injection member; Described position limiting structure contacts or the face contacting structure for having with the injection member line, and position limiting structure is a location-plate 82 parallel with the transfusion needle longitudinal axis and that contact with the injection member face in the present embodiment.
As Fig. 7 is position limiting structure one embodiment of the present invention, and position limiting structure contacts or the face contacting structure for having with the injection member line, and position limiting structure is the position limiting structure of column pawl in the present embodiment.
As Fig. 8 is the another embodiment of position limiting structure of the present invention, and position limiting structure contacts or the face contacting structure for having with the injection member line, and position limiting structure is the position limiting structure of cylindrical sleeve in the present embodiment.
As Fig. 9 is the another embodiment of position limiting structure of the present invention, and position limiting structure is the position limiting structure of column pawl, and its cylindrical lateral surface is to extend four downward pawl by end face.
Figure 10 is provided with the another embodiment sketch map of disposable infusion needle of position limiting structure for the present invention; Described position limiting structure is a column pawl 83, and its edge is provided with and connecting object, as the barb buckle 1 of injection member clamping.
As Figure 11 a and Figure 11 b is the embodiment that the preferred position limiting structure among Fig. 9 uses, column pawl 83 can paste mutually with the injection member face that punctures and effectively fixing, connects as a whole, patient's limbs move or infusion set when moving needle tubing reduce the breaking force effect, the needle tubing phenomenon that fractures can not take place.And because its edge is provided with barb buckle 1, can with the injection member clamping, directly fix.And need not to need immobilization with adhesive tape as the transfusion device and the transfusion needle of prior art.Figure 11 b is self-styled sheath and fixture integral structure, finishes in transfusion, and when pulling up transfusion needle, the cylindrical enclosure 83 that is provided with barb buckle 1 can remain on the surface of injection member, plays the insulation blocking effect, prevents to pollute the injection member surface.After transfusion needle was extracted, self-styled sheath continued to stay on the injection member, and the protection injection member is avoided being polluted by microorganism and other harmful substances.
Figure 12 is a preferred embodiment sketch map of disposable infusion needle of the present invention, the column pawl 83 of described column position limiting structure, and preferably, its internal diameter is less than people's finger diameter, and longitudinal length extends to the end above needle tubing 3, can play the effect of prevention acupuncture.In addition, the edge termination of column pawl 83 is provided with the barb buckle 1 of fixed mechanism.
Figure 13 is disposable infusion needle one a preferred embodiment sketch map of the present invention; Disposable infusion needle, comprise the pin hole 2 that is provided with on needle tubing 3 and the sidewall thereof, on disposable infusion needle, be provided with the position limiting structure that a restriction transfusion needle moves with respect to injection member, in the present embodiment, position limiting structure is a cylindrical enclosure 8, and its edge is provided with and the fixed barb buckle 1 of injection member.Preferably, the internal diameter of cylindrical enclosure 8 is less than people's finger diameter, and longitudinal length extends to the end above needle tubing 3.In the present embodiment, also be provided with a self-styled sheath 9 on the needle tubing 3 between position limiting structure cylindrical enclosure 8 and the needle point, after the needle tubing of disposable infusion needle was extracted, self-styled sheath 9 can be retained in and form a protective sleeve on the injection member.Self-styled sheath is elastic rubber material or silica gel material or PVC material preparation, or is the elastic reset structure, is used to be retained in and protects injection member on the injection member, avoids being polluted by microorganism and other harmful substances.With conduit 6 that needle tubing 3 links to each other on also be provided with liquid medicine filter 5 and flow-stopping clip 10.
Figure 14 is the another embodiment user mode sketch map of disposable infusion needle of the present invention, and disposable infusion needle of the present invention is connected to the user mode of the infusion utensil that has injection member.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (10)
1. disposable infusion needle comprises needle tubing and terminal pin hole thereof, it is characterized in that, at least one pin hole is set on the sidewall of described needle tubing.
2. disposable infusion needle according to claim 1 is characterized in that, preferably, described disposable infusion needle is provided with a restriction transfusion needle with respect to its connecting object, as injection member, and mobile position limiting structure; Described position limiting structure be contact with its connecting object line or face contact shell, medicated cap, cover, clamp, card or buckle structure; Or column position limiting structure.
3. disposable infusion needle according to claim 2 is characterized in that, described position limiting structure is fixed on the described transfusion needle or can rotates or move up and down with respect to transfusion needle.
4. according to claim 2 or 3 described disposable infusion needles, it is characterized in that, described column position limiting structure, be preferably cover, cover or the pawl of column, and which is provided with and connecting object, as the fixed fixed mechanism of injection member, as barb buckle, salient line, the face that closely cooperates that utilizes frictional force, the rope of tying tight or strip fixing band, elasticity folder, snap close, clamp; And the internal diameter of described cylindrical sleeve is less than people's finger diameter, and its longitudinal length extends to the end above needle tubing.
5. disposable infusion needle according to claim 4 is characterized in that, described column pawl comprises end face and cylindrical lateral surface, and described cylindrical lateral surface comprises by the downward plural at least pawl structure of the vertical extension of end face.
6. disposable infusion needle according to claim 5 is characterized in that, the gap of the adjacent pawl structure of described column pawl is less than people's finger diameter, and pawl structure longitudinal length extends to the end above needle tubing.
7. according to each described disposable infusion needle of claim 1-4; it is characterized in that; also be provided with a self-styled sheath on the needle tubing between described position limiting structure and the needle point, after the needle tubing of disposable infusion needle is extracted, can be retained in and form a protection structure on the injection member.
8. disposable infusion needle according to claim 6 is characterized in that, described self-styled sheath is the structure of elastic rubber material or silica gel or PVC material preparation, or is the elastic reset structure.
9. disposable infusion needle according to claim 1 is characterized in that, described disposable infusion needle also comprises the conduit that is connected with needle tubing, also is provided with liquid medicine filter on described conduit.
10. disposable infusion needle according to claim 1 is characterized in that, described disposable infusion needle also comprises the conduit that is connected with needle tubing, also is provided with flow-stopping clip on described conduit.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102682478A CN102294063A (en) | 2011-09-13 | 2011-09-13 | Disposable transfusion needle |
| CN 201220318494 CN202761822U (en) | 2011-09-13 | 2012-07-04 | Transfusion needle suitable for butt jointed puncture-type connecting part of remaining device |
| CN 201220318493 CN202761816U (en) | 2011-09-13 | 2012-07-04 | Disposable transfusion needle |
| CN 201210227641 CN102698340B (en) | 2011-09-13 | 2012-07-04 | Disposable transfusion needle |
| CN 201210227642 CN102698341B (en) | 2011-09-13 | 2012-07-04 | Transfusion needle applicable to butt joint with punctured-type connection piece of retention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102682478A CN102294063A (en) | 2011-09-13 | 2011-09-13 | Disposable transfusion needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102294063A true CN102294063A (en) | 2011-12-28 |
Family
ID=45354892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102682478A Pending CN102294063A (en) | 2011-09-13 | 2011-09-13 | Disposable transfusion needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102294063A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498032A (en) * | 2016-02-19 | 2016-04-20 | 常熟市精亮微医疗器械科技有限公司 | Infusion needle special for puncture connecting piece |
| CN105498031A (en) * | 2016-02-19 | 2016-04-20 | 常熟市精亮微医疗器械科技有限公司 | Infusion needle |
| CN105561436A (en) * | 2016-02-19 | 2016-05-11 | 常熟市精亮微医疗器械科技有限公司 | Special transfusion needle |
| CN105561435A (en) * | 2016-02-19 | 2016-05-11 | 常熟市精亮微医疗器械科技有限公司 | Connection type infusion needle |
| CN105582594A (en) * | 2016-02-19 | 2016-05-18 | 常熟市精亮微医疗器械科技有限公司 | Pricking preventing infusion needle special for puncture type connecting piece |
| CN105749375A (en) * | 2016-02-19 | 2016-07-13 | 常熟市精亮微医疗器械科技有限公司 | Manufacturing method of infusion indwelling part connector for reducing hospital infection |
-
2011
- 2011-09-13 CN CN2011102682478A patent/CN102294063A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498032A (en) * | 2016-02-19 | 2016-04-20 | 常熟市精亮微医疗器械科技有限公司 | Infusion needle special for puncture connecting piece |
| CN105498031A (en) * | 2016-02-19 | 2016-04-20 | 常熟市精亮微医疗器械科技有限公司 | Infusion needle |
| CN105561436A (en) * | 2016-02-19 | 2016-05-11 | 常熟市精亮微医疗器械科技有限公司 | Special transfusion needle |
| CN105561435A (en) * | 2016-02-19 | 2016-05-11 | 常熟市精亮微医疗器械科技有限公司 | Connection type infusion needle |
| CN105582594A (en) * | 2016-02-19 | 2016-05-18 | 常熟市精亮微医疗器械科技有限公司 | Pricking preventing infusion needle special for puncture type connecting piece |
| CN105749375A (en) * | 2016-02-19 | 2016-07-13 | 常熟市精亮微医疗器械科技有限公司 | Manufacturing method of infusion indwelling part connector for reducing hospital infection |
| CN105749375B (en) * | 2016-02-19 | 2019-11-22 | 常熟市精亮微医疗器械科技有限公司 | A kind of infusion indwelling part connector manufacturing method reducing nosocomial infection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111228 |