CN204840494U - Open needle of keeping somewhere of line of rabbet joint formula protective sheath - Google Patents
Open needle of keeping somewhere of line of rabbet joint formula protective sheath Download PDFInfo
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- CN204840494U CN204840494U CN201520302830.XU CN201520302830U CN204840494U CN 204840494 U CN204840494 U CN 204840494U CN 201520302830 U CN201520302830 U CN 201520302830U CN 204840494 U CN204840494 U CN 204840494U
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- needle
- card
- protecting sleeve
- tube protecting
- needle tubing
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Abstract
The utility model relates to a be applicable to endovascular medical instrument, especially prevent the needle point stab the open needle of keeping somewhere of line of rabbet joint formula protective sheath who prevents blood stains and dye in the clinical treatment for one kind, the needle file is held between the fingers the ear through direction splice bar AND operation fin or operation and is connected, the needle tubing protective sheath is a microscler hollow shell, the slip line of rabbet joint that a lateral wall or the both sides wall that corresponds have certain length, the needle tubing protective sheath injects the needle file and slides forward and touch the device card until the back card between the two and touch the connection from keeping somewhere behind the needle pot head, the needle tubing protective sheath shielded the needle point completely this moment, stimulate backward needle tubing protective sheath, back card touch the device break away from card touch, until convex clip and needle file card touch form before the card touch and the stopping, the relative needle tubing protective sheath of puncture back needle tubing subassembly removes and draws back in the needle tubing protective sheath to block after until and touch the device and block once more and touch the connection, the needle tubing protective sheath shields the needle point once more completely at this moment. The advantage lies in, implements effective protection to needle tubing and needle point in real time, has prevented accidental wound people and blood polluted environment, the practicality is strong, and the facilitate promotion is used.
Description
Technical field
This utility model relates to one and is applicable to endovascular medical apparatus and instruments, particularly a kind of open indwelling needle of plane-of-weakness joint type protective sleeve of the anti-blood stains dye of anti-needle pricks in clinical treatment.
Background technology
In order to conduit is inserted in patient's blood vessel smoothly in clinical treatment; existing multiple puncture technique is applied in clinical treatment at present; wherein a kind of is open indwelling needle with protective sleeve; as shown in Figure 1, open indwelling needle is made up of needle tube protecting sleeve 1, conduit tube component 2, puncture needle tubing assembly 3 and venting plug group 4 its structure.Needed first needle tube protecting sleeve 1 to be taken to put aside before puncture, after puncture and intubation success, need first to live blood vessel with hand, then withdraw from puncture needle tubing, until after needle tubing base rear end access infusion set, then decontrol the hands pushing down blood vessel.Because protective sleeve just departs from needle stand when puncturing; the needle point disappearance protection withdrawn from after puncture; if protective sleeve is recovered needle stand; also more dangerous; likely thorn is to oneself; thus medical worker will use the puncture needle tubing withdrawn from directly to insert in discarded box usually; needle tubing like this and needle point have no protection and directly outside exposed; medical worker cleaning, destroy used needle tubing assembly time; be easy to accidental puncture people and be subject to infectious disease threat, also polluting the environment with blood again in needle tubing simultaneously.
Summary of the invention
The purpose of this utility model is to overcome weak point of the prior art, and provides a kind of at the forward and backward needle tubing that all can cover of puncture use, the open indwelling needle of the plane-of-weakness joint type protective sleeve of Anti-stabbing, anti-needle tubing blood contamination.
The purpose of this utility model is realized by following approach:
The open indwelling needle of plane-of-weakness joint type protective sleeve, comprise needle tube protecting sleeve, conduit tube component, puncture needle tubing and venting plug assembly, needle stand is fixed with operation fin or operation pinch ear, the venting plug assembly of permeable watertight is installed in needle stand rear portion, indwelling passage is positioned at catheter block inner core, its composition main points are: needle stand is pinched ear by guiding dowel with operation fin or operation and is connected, needle tube protecting sleeve is an elongated hollow housing, the two side of one sidewall or correspondence has the slip line of rabbet joint of certain length, slip line of rabbet joint front opening, this line of rabbet joint is corresponding with guiding dowel also can hold this dowel that leads, needle tube protecting sleeve from remaining needle rear end cover be inserted into needle stand and forward slip until rear card therebetween touches device card touches and connect, now needle tube protecting sleeve covers needle point completely, at the prominent convex convex clip on inwall in needle tube protecting sleeve front end affixed, pull back needle tube protecting sleeve, rear card touches device disengaging card and touches, until convex clip and pin base fastener touch is formed before block tactile also retaining, the needle tubing assembly be separated with conduit tube component after puncture relative to needle tube protecting sleeve move and to be retracted into backward in needle tube protecting sleeve until after block to touch device secondary card is tactile again and connects, now needle tube protecting sleeve covers needle point again completely.
Like this; during puncture; pull back needle tube protecting sleeve, rear card touch device depart from card touch until convex clip and pin base fastener touch is formed before block tactile also retaining after, hand-held fin band touches with needle tubing assembly, conduit tube component and card and synchronously carries out puncture operation forward at the needle tube protecting sleeve of needle tubing module back.When after puncture and intubation success, pull needle stand, withdraw from needle tubing assembly and allow needle tubing again be retracted in needle tube protecting sleeve, now the complete sleeve of needle tubing is blinded by backward, prevents during needle tubing subsequent treatment and surprisingly hurts sb.'s feelings and blood contamination environment.
In the process that the relative needle tube protecting sleeve of hub assemblies slides, guiding dowel slides along the slip line of rabbet joint, and this slip line of rabbet joint not only plays accommodation guiding dowel but also plays guide effect.
The purpose of this utility model can also be realized by following approach.
When the slip line of rabbet joint is one-sided arrange time, this slip line of rabbet joint rear end or blind resistance or opening, when slip line of rabbet joint bilateral is arranged, this blind resistance in slip line of rabbet joint rear end.
Also comprise a kind of needle tubing seat card and touch device, this needle tubing seat card touches device between needle tubing seat and needle tube protecting sleeve, and front card touches device card counter stop when moving back, and this needle tubing seat card touches device card and touches and connect.
Like this; when after puncture and intubation success; pin needle tubing seat and backward pull operation pinch ear or operation fin; the card touching device due to needle tubing seat card touches resistance; the needle tubing assembly withdrawn from first relatively needle tubing seat and needle tube protecting sleeve retreat and move, until needle tubing be again retracted into cover completely in needle tube protecting sleeve and by needle tubing and block afterwards tactile device again secondary card after touch, then change and grasp needle tube protecting sleeve drawing backward; allow needle tubing seat card touch device depart from, complete the disengaging of needle stand and needle tube protecting sleeve and needle tubing seat.Like this, whole operating process, needle point does not expose all the time, safer.
The forward and backward card of this composition touches card that device and needle tubing seat card touch device and touches prompting that device puts in place for travel position and temporary transient location between the two and fixing, and in prior art, common relevant concrete card touches device, is below more suitable one:
Rear card touches device and is made up of a kind of convex clamping point of mutual coupling and groove, and convex clamping point and groove lay respectively in the card contact element of needle tube protecting sleeve and correspondence, this card contact element or needle stand or operation fin or guiding dowel.
Front card touches device by spacing ring and can form by the outer ladder of correspondence therewith on the needle stand that touches of spacing ring correspondence card or needle tubing seat; spacing ring is after hub assemblies is fit into needle tube protecting sleeve; be fixed in needle tube protecting sleeve leading section again and form interior ladder at needle tube protecting sleeve inner chamber, in this, ladder is a kind of convex clip.
Needle tubing seat card touches device and is made up of a kind of convex clamping point of mutual coupling and groove, and convex clamping point and groove lay respectively on needle tube protecting sleeve and needle tubing seat.
Also comprise a kind of end cap, this end cap plug is connected on the front end of needle tube protecting sleeve.
End cap for covering needle point on end face.
Sleeve pipe as needle tube protecting sleeve is a slim cylindrical shell, one-sidedly offer the one fixed width rectangle line of rabbet joint, the line of rabbet joint and needle stand lead dowel shiding matching, line of rabbet joint one end open, spacing ring is after hub assemblies is fit into needle tube protecting sleeve, be fixed in needle tube protecting sleeve leading section again and form interior ladder at needle tube protecting sleeve inner chamber, convex clip is provided with inside the line of rabbet joint rearward end line of rabbet joint, convex clip or single or opposite respectively establish one, before convex clip, rear end face all acutangulates inclined plane, be convenient to the respective slot more easily skidded off when pushing on needle stand, this convex clip is the convex clip that rear card touches device, and needle stand is made up of transparent material in the needle tubing assembly that punctures, it is by ladder turriform needle hub body, the cylindrical shell of tool axial gap coaxial with it and the guiding dowel both connection are formed, be symmetrical arranged puncture procedure outside cylindrical shell and pinch ear, the interior ladder card counter stop that the spacing ring of ladder turriform needle stand front end cascaded surface and protective sleeve leading section is formed is moved back and block tactile device before forming, maximum outer peripheral face and the protective sleeve inner chamber face of cylinder of ladder turriform needle stand are slidably matched, guiding rib arranges upper and lower symmetrical sliding tray, sliding tray radial width is mated with protective sleeve wall thickness, in sliding tray front end, one groove is respectively set near the upper and lower bottom land in needle tubing place, this groove size is touched the convex clip of device and mate and form and block tactile device afterwards with blocking after protective sleeve.
Needle tube protecting sleeve tail end lateral wall is symmetrically arranged with a kind of drawing operation lug.
Like this, drawing needle tube protecting sleeve is backward convenient to.
In sum, this utility model compared to existing technology tool has the following advantages: after retained needle puncture uses, effectively protection can be implemented in real time to needle tubing and needle point, prevent during needle tubing subsequent treatment and surprisingly hurt sb.'s feelings and blood contamination environment, and, to the structure of existing puncture needle and puncture occupation mode substantially without changing, practical, easy to utilize.
Accompanying drawing explanation
Fig. 1 is a kind of open indwelling needle structural representation in prior art;
Fig. 2 is the structural representation sectional block diagram of the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Fig. 3 is the structural representation sectional view of the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Fig. 4 is the structural representation axonometric chart of the needle tube protecting sleeve in the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Fig. 5 is the structural representation axonometric chart of the needle tube protecting sleeve in the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Fig. 6 is the structural representation three-dimensional cutaway view of the needle tube protecting sleeve in the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Fig. 7 is the structural representation axonometric chart of spacing ring in the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Fig. 8 is the structural representation three-dimensional cutaway view of the spacing ring in the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Fig. 9 is the structural representation axonometric chart of end cap in the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Figure 10 is the structural representation axonometric chart of needle stand in the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Figure 11 is the structural representation three-dimensional cutaway view of the needle stand in the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Figure 12 is the structural representation three-dimensional cutaway view of the needle stand in the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment;
Figure 13 is that the open indwelling needle of plane-of-weakness joint type protective sleeve described in this utility model most preferred embodiment retreats to the structural representation axonometric chart under puncture state at needle tube protecting sleeve.
Below in conjunction with accompanying drawing, this utility model is further elaborated.
Detailed description of the invention
Most preferred embodiment:
With reference to Fig. 2, Fig. 3 and Figure 13, the open indwelling needle of plane-of-weakness joint type protective sleeve, is made up of needle tube protecting sleeve 1, conduit tube component 2, puncture needle tubing assembly 3 and permeable watertight venting plug 4.And wherein needle tube protecting sleeve 1 is made up of pipe box 1.1, end cap 1.2 and front end spacing ring 1.3, spacing ring 1.3 is fixed in ladder in protective sleeve front end, and end cap 1.2 is socketed on front end before remaining needle does not use, and plays needle point bridging effect.After conduit tube component, puncture needle tubing assembly and venting plug assembling; insert from protective sleeve front opening; needle stand 3.1 leads dowel 3.1.3 along entering protective sleeve upper hopper chute line of rabbet joint 1.1.1; slide into elasticity convex clip 1.1.2 on groove on guiding rib and the line of rabbet joint to subside card and touch always; then spacing ring is inserted in pipe box front end; and being fixed on interior step, pipe box front end puts end cap again.The venting plug assembly of permeable watertight is installed in needle stand rear portion, and indwelling passage is positioned at catheter block inner core.
With reference to Fig. 4, Fig. 5 and Fig. 6, sleeve pipe as needle tube protecting sleeve is a slim cylindrical shell, one-sidedly offer one fixed width rectangle line of rabbet joint 1.1.1, line of rabbet joint 1.1.1 and needle stand lead dowel 3.1.3 shiding matching, line of rabbet joint one end open, spacing ring 1.3 is after hub assemblies is fit into needle tube protecting sleeve 1, be fixed in needle tube protecting sleeve leading section again and form interior ladder 1.1.5 at needle tube protecting sleeve inner chamber, convex clip 1.1.2 is provided with inside the line of rabbet joint rearward end line of rabbet joint, convex clip 1.1.2 respectively establishes one in opposite, before convex clip 1.1.2, rear end face all acutangulates inclined plane, be convenient to the respective slot more easily skidded off when pushing on needle stand, this convex clip is the convex clip that rear card touches device.Needle tube protecting sleeve tail end lateral wall is symmetrically arranged with a kind of drawing operation lug 1.1.4.
With reference to Fig. 7 and Fig. 8, spacing ring 1.3 is that a kind of one end end face affixed all-in-one-piece two coaxial rings that relies on forms, and the end face of opening can overlap the leading section of inserting needle tube protecting sleeve.
With reference to Fig. 9, end cap is the seam shape lid of a kind of one end face closure.
With reference to Figure 10, Figure 11 and Figure 12, in puncture needle tubing assembly, needle stand 3.1 is made up of transparent material, its by ladder turriform needle hub body 3.1.1, tool axial gap coaxial with it cylindrical shell 3.1.2 and connect both guiding dowel 3.1.3 form, be symmetrical arranged puncture procedure outside cylindrical shell and pinch ear 3.1.2.1.Guiding dowel only has one-sided setting.3.1.1.1 be blood back observation window.The interior ladder 1.1.5 card counter stop that the spacing ring of ladder turriform needle stand front end cascaded surface 3.1.1.2 and protective sleeve leading section is formed is moved back and block tactile device before forming; maximum outer peripheral face and the protective sleeve inner chamber face of cylinder of ladder turriform needle stand are slidably matched; guiding rib arranges upper and lower symmetrical sliding tray; sliding tray radial width is mated with protective sleeve wall thickness; respectively arrange a groove in sliding tray front end near the upper and lower bottom land in needle tubing place, this groove size is touched the convex clip of device and mate and form and block tactile device afterwards with blocking after protective sleeve.
During use, first pull out end cap, grip needle stand on the other hand, pinch drawing operation lug on pipe box rear end on the other hand, past away from needle point direction sliding canister, until the affixed spacing ring in pipe box front end touches the guiding dowel end face of needle stand, expose blood back observation window on conduit tube component and needle stand completely, with that can puncture and intubation operation.Hand-held fin band touches with needle tubing assembly, conduit tube component and card and synchronously carries out puncture operation forward at the needle tube protecting sleeve of needle tubing module back.When after puncture and intubation success, pull needle stand, withdraw from needle tubing assembly and allow needle tubing again be retracted in needle tube protecting sleeve, now the complete sleeve of needle tubing is blinded by backward, prevents during needle tubing subsequent treatment and surprisingly hurts sb.'s feelings and blood contamination environment.
It is same as the prior art that this utility model does not state part.
Claims (9)
1. the open indwelling needle of plane-of-weakness joint type protective sleeve, comprise needle tube protecting sleeve, conduit tube component, puncture needle tubing and venting plug assembly, needle stand is fixed with operation fin or operation pinch ear, the venting plug assembly of permeable watertight is installed in needle stand rear portion, indwelling passage is positioned at catheter block inner core, it is characterized in that, needle stand is pinched ear by guiding dowel with operation fin or operation and is connected, needle tube protecting sleeve is an elongated hollow housing, the two side of one sidewall or correspondence has the slip line of rabbet joint of certain length, slip line of rabbet joint front opening, this line of rabbet joint is corresponding with guiding dowel also can hold this dowel that leads, needle tube protecting sleeve from remaining needle rear end cover be inserted into needle stand and forward slip until rear card therebetween touches device card touches and connect, now needle tube protecting sleeve covers needle point completely, at the prominent convex convex clip on inwall in needle tube protecting sleeve front end affixed, pull back needle tube protecting sleeve, rear card touches device disengaging card and touches, until the front card that convex clip and pin base fastener touch formation touches device and retaining, the needle tubing assembly be separated with conduit tube component after puncture relative to needle tube protecting sleeve move and to be retracted into backward in needle tube protecting sleeve until after block to touch device secondary card is tactile again and connects, now needle tube protecting sleeve covers needle point again completely.
2. according to claim 1 the open indwelling needle of plane-of-weakness joint type protective sleeve, it is characterized in that, when the slip line of rabbet joint is one-sided arrange time, this slip line of rabbet joint rear end or blind resistance or opening, when slip line of rabbet joint bilateral is arranged, this blind resistance in slip line of rabbet joint rear end.
3. according to claim 1 the open indwelling needle of plane-of-weakness joint type protective sleeve; it is characterized in that, also comprise a kind of needle tubing seat card and touch device, this needle tubing seat card touches device between needle tubing seat and needle tube protecting sleeve; front card touches device card counter stop when moving back, and this needle tubing seat card touches device card and touches and connect.
4. according to claim 1 the open indwelling needle of plane-of-weakness joint type protective sleeve; it is characterized in that; rear card touches device and is made up of a kind of convex clamping point of mutual coupling and groove; convex clamping point and groove lay respectively in the card contact element of needle tube protecting sleeve and correspondence, this card contact element or needle stand or operation fin or guiding dowel.
5. the open indwelling needle of plane-of-weakness joint type protective sleeve according to claim 1; it is characterized in that; front card touches device by spacing ring and can form by the outer ladder of correspondence therewith on the needle stand that touches of spacing ring correspondence card or needle tubing seat; spacing ring is after hub assemblies is fit into needle tube protecting sleeve; be fixed in needle tube protecting sleeve leading section again and form interior ladder at needle tube protecting sleeve inner chamber, in this, ladder is a kind of convex clip.
6. the open indwelling needle of plane-of-weakness joint type protective sleeve according to claim 3, is characterized in that, needle tubing seat card touches device and is made up of a kind of convex clamping point of mutual coupling and groove, and convex clamping point and groove lay respectively on needle tube protecting sleeve and needle tubing seat.
7. the open indwelling needle of plane-of-weakness joint type protective sleeve according to claim 1, is characterized in that, also comprises a kind of end cap, and this end cap plug is connected on the front end of needle tube protecting sleeve.
8. the open indwelling needle of plane-of-weakness joint type protective sleeve according to claim 1, it is characterized in that, sleeve pipe as needle tube protecting sleeve is a slim cylindrical shell, one-sidedly offer the one fixed width rectangle line of rabbet joint, the line of rabbet joint and needle stand lead dowel shiding matching, line of rabbet joint one end open, spacing ring is after hub assemblies is fit into needle tube protecting sleeve, be fixed in needle tube protecting sleeve leading section again and form interior ladder at needle tube protecting sleeve inner chamber, convex clip is provided with inside the line of rabbet joint rearward end line of rabbet joint, convex clip or single or opposite respectively establish one, before convex clip, rear end face all acutangulates inclined plane, be convenient to the respective slot more easily skidded off when pushing on needle stand, this convex clip is the convex clip that rear card touches device, and needle stand is made up of transparent material in the needle tubing assembly that punctures, it is by ladder turriform needle hub body, the cylindrical shell of tool axial gap coaxial with it and the guiding dowel both connection are formed, be symmetrical arranged puncture procedure outside cylindrical shell and pinch ear, the interior ladder card counter stop that the spacing ring of ladder turriform needle stand front end cascaded surface and protective sleeve leading section is formed is moved back and block tactile device before forming, maximum outer peripheral face and the protective sleeve inner chamber face of cylinder of ladder turriform needle stand are slidably matched, guiding rib arranges upper and lower symmetrical sliding tray, sliding tray radial width is mated with protective sleeve wall thickness, in sliding tray front end, one groove is respectively set near the upper and lower bottom land in needle tubing place, this groove size is touched the convex clip of device and mate and form and block tactile device afterwards with blocking after protective sleeve.
9. the open indwelling needle of plane-of-weakness joint type protective sleeve according to claim 1, is characterized in that, needle tube protecting sleeve tail end lateral wall is symmetrically arranged with a kind of drawing operation lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520302830.XU CN204840494U (en) | 2015-05-12 | 2015-05-12 | Open needle of keeping somewhere of line of rabbet joint formula protective sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520302830.XU CN204840494U (en) | 2015-05-12 | 2015-05-12 | Open needle of keeping somewhere of line of rabbet joint formula protective sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204840494U true CN204840494U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520302830.XU Active CN204840494U (en) | 2015-05-12 | 2015-05-12 | Open needle of keeping somewhere of line of rabbet joint formula protective sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204840494U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016179795A1 (en) * | 2015-05-12 | 2016-11-17 | 福建省百仕韦医用高分子股份有限公司 | Open catheter needle with slotted protection sleeve |
| CN106308894A (en) * | 2016-09-07 | 2017-01-11 | 重庆科杰医疗设备有限公司 | Independent type puncture needle protection device |
| WO2018133028A1 (en) * | 2017-01-20 | 2018-07-26 | 福建省百仕韦医用高分子股份有限公司 | Shielded indwelling needle with external application wings |
-
2015
- 2015-05-12 CN CN201520302830.XU patent/CN204840494U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016179795A1 (en) * | 2015-05-12 | 2016-11-17 | 福建省百仕韦医用高分子股份有限公司 | Open catheter needle with slotted protection sleeve |
| CN107530491A (en) * | 2015-05-12 | 2018-01-02 | 福建省百仕韦医用高分子股份有限公司 | The open indwelling needle of plane-of-weakness joint type protective case |
| CN106308894A (en) * | 2016-09-07 | 2017-01-11 | 重庆科杰医疗设备有限公司 | Independent type puncture needle protection device |
| WO2018133028A1 (en) * | 2017-01-20 | 2018-07-26 | 福建省百仕韦医用高分子股份有限公司 | Shielded indwelling needle with external application wings |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230904 Granted publication date: 20151209 |
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| PP01 | Preservation of patent right |