CN107530491A - The open indwelling needle of plane-of-weakness joint type protective case - Google Patents
The open indwelling needle of plane-of-weakness joint type protective case Download PDFInfo
- Publication number
- CN107530491A CN107530491A CN201580079741.6A CN201580079741A CN107530491A CN 107530491 A CN107530491 A CN 107530491A CN 201580079741 A CN201580079741 A CN 201580079741A CN 107530491 A CN107530491 A CN 107530491A
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- China
- Prior art keywords
- needle
- protecting sleeve
- tube protecting
- card
- needle tube
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Classifications
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- 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
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
One kind is applied to endovascular medicine equipment, the open indwelling needle of the plane-of-weakness joint type protective case of particularly a kind of anti-blood stains dye of needle pricks anti-in clinical treatment, needle stand(3.1)By being oriented to dowel(3.1.3)Ear is pinched with operation fin or operation(3.1.2.1)Connection, needle tube protecting sleeve(1)It is an elongated hollow housing, a side wall or corresponding two side have the slip line of rabbet joint of certain length(1.1.1), needle tube protecting sleeve is inserted into needle stand from remaining needle rear end set and forward slip touches connection up to rear card therebetween touches device card, now the completely obscured needle point of needle tube protecting sleeve;Pull back needle tube protecting sleeve, rear card touches device and departs from card and touches, until convex clip touches card before being formed with pin base fastener and touches simultaneously retaining; needle tubing component moves relative to needle tube protecting sleeve and is retracted into needle tube protecting sleeve that secondary card is touched and connected again until rear card touches device backward after puncture, now needle tube protecting sleeve completely obscured needle point again.Advantage is, implements effectively protection to needle tubing and needle point in real time, it is therefore prevented that unexpected hurt sb.'s feelings pollutes environment with blood;It is practical, it is easy to utilize.
Description
The present invention relates to one kind to be suitable for endovascular medical instrument, the open indwelling needle of the plane-of-weakness joint type protective case of especially a kind of anti-blood stains dye of needle pricks anti-in clinical treatment.
In order to conduit to be smoothly placed in patient's blood vessel in clinical treatment; it is applied in clinical treatment there are many puncture technique at present; one of which is the open indwelling needle with protective case; it is constructed as shown in Figure 1, open indwelling needle is made of needle tube protecting sleeve 1, conduit tube component 2, puncture needle tube assembly 3 and venting plug group 4.It needs first to take needle tube protecting sleeve 1 before puncture and put aside, after puncture and intubation success, need first to push down blood vessel with hand, then withdraw from puncture needle tubing, after staying in needle tubing base rear end access infusion set, then decontrol the hand for pushing down blood vessel.Since protective case is just detached from needle stand when puncturing; the needle point missing protection withdrawn from after puncture; if protective case is recovered needle stand; also than relatively hazardous, it is possible to oneself is pierced, thus medical worker will usually use the puncture needle tubing withdrawn from directly to be placed in discarded box; such needle tubing and needle point have no protection and directly it is exposed outside; when medical worker's cleaning, destroying used needle tubing component, it is easy to unexpected scathing and threatened by infectious disease, while also polluting the environment with blood again in needle tubing.
Summary of the invention
It is an object of the invention to overcome shortcoming in the prior art, and needle tubing, the open indwelling needle for the plane-of-weakness joint type protective case that Anti-stabbing, anti-needle tubing blood pollute can be covered using forward and backward in puncture by providing one kind.
The purpose of the present invention is what is realized by following approach:
The open indwelling needle of plane-of-weakness joint type protective case, including needle tube protecting sleeve, conduit tube component, puncture needle tubing and exhaust plug assembly, it is fixed with operation fin on needle stand or ear is pinched in operation, the exhaust plug assembly of permeable watertight is installed in needle stand rear portion, indwelling channel is located at catheter block inner core, its composition is characterized by: needle stand is pinched ear and connect by guiding dowel with operation fin or operation, needle tube protecting sleeve is an elongated hollow shell, one side wall or corresponding two sidewalls have the sliding line of rabbet joint of certain length, slide line of rabbet joint front opening, the line of rabbet joint is corresponding with guiding dowel and can accommodate this guiding dowel, needle tube protecting sleeve is inserted into needle stand from remaining needle rear end cap and forward slip is up to rear card touching device card touching connection between the two, the completely obscured needle point of needle tube protecting sleeve at this time, it dashes forward the convex convex clip on inner wall in needle tube protecting sleeve front end affixed one , pull back needle tube protecting sleeve, rear card touching device is detached from card touching, straight
Card touching and retaining before being formed are touched to convex clip and pin base fastener; the needle tubing component separated after puncture with conduit tube component is mobile relative to needle tube protecting sleeve and is retracted into needle tube protecting sleeve backward until rear card touching device block touching again and connects, at this time needle tube protecting sleeve completely obscured needle point again.
In this way; when puncture; pull back needle tube protecting sleeve, rear card touching device disengaging card touching, until convex clip and pin base fastener touch after blocking touching and retaining before being formed, hand-held fin band synchronizes in the needle tube protecting sleeve of needle tubing module back with needle tubing component, conduit tube component and card touching and is carried forward puncture operation.After puncture and intubation success, needle stand is pulled backward, needle tubing component is withdrawn from and needle tubing is allowed to be retracted into needle tube protecting sleeve again, the complete sleeve of needle tubing is blinded by this time, it is therefore prevented that surprisingly hurt sb.'s feelings when needle tubing subsequent processing and pollute environment with blood.
During hub assemblies are slided with respect to needle tube protecting sleeve, guiding dowel not only plays receiving guiding dowel but also plays guiding role along sliding line of rabbet joint sliding, this sliding line of rabbet joint.
The purpose of the present invention can also be realized by following approach.
When sliding the setting of line of rabbet joint unilateral side, this slides line of rabbet joint rear end or blind resistance or opening, when sliding the setting of line of rabbet joint bilateral, this sliding blind resistance in line of rabbet joint rear end.
It further include a kind of needle tubing seat card touching device, this needle tubing seat card touches device between needle tubing seat and needle tube protecting sleeve, and when preceding card touching device card counter stop is moved back, which touches device card touching connection.
In this way; after puncture and intubation success; it pins needle tubing seat and pull operation pinches ear or operation fin backward; since the card of needle tubing seat card touching device touches resistance; first opposite needle tubing seat and needle tube protecting sleeve retreat movement to the needle tubing component withdrawn from, until needle tubing is retracted into needle tube protecting sleeve again and by needle tubing is completely obscured and rear card touches device secondary card after touch, then changes and grasps needle tube protecting sleeve drawing backward again; it allows needle tubing seat card touching device to be detached from, completes the disengaging of needle stand and needle tube protecting sleeve and needle tubing seat.In this way, whole operation process, needle point is safer always without exposed.
The card touching device of the forward and backward card touching device of this composition and needle tubing seat card touching device temporary positioning for travel position prompting in place and between the two and fixed, common relevant specific card touching device in the prior art is appropriate one kind below:
Card touching device is made of a kind of convex clamping point being mutually matched and groove afterwards, and convex clamping point and groove are located in needle tube protecting sleeve and corresponding card contact element, this card contact element needle stand operation fin is either oriented to dowel.
Preceding card touching device is by stop collar and ladder can form outside the correspondence on card corresponding with this stop collar needle stand or needle tubing seat that touch, and stop collar is after hub assemblies install needle tube protecting sleeve, then is fixed in needle tube protecting sleeve front end and in needle tube protecting sleeve inner cavity shape
At interior ladder, this interior ladder is a kind of convex clip.
Needle tubing seat card touching device is made of a kind of convex clamping point being mutually matched and groove, and convex clamping point and groove are located on needle tube protecting sleeve and needle tubing seat.
It further include a kind of end cap, this end cap plug connects the front end in needle tube protecting sleeve.
End cap on end face for covering needle point.
Casing as needle tube protecting sleeve is a slim cylindrical shell, unilateral side opens up the one fixed width rectangle line of rabbet joint, dowel shiding matching is oriented on the line of rabbet joint and needle stand, the line of rabbet joint is open at one end, stop collar is after hub assemblies install needle tube protecting sleeve, it is fixed in needle tube protecting sleeve front end again and forms interior ladder in needle tube protecting sleeve inner cavity, convex clip is provided on the inside of the line of rabbet joint of line of rabbet joint rear end, the single either opposite of convex clip respectively sets one, before convex clip, rear end face inclined surface at an acute angle, convenient for more easily slipping out the respective slot on needle stand when push, this convex clip blocks the convex clip of touching device after being, and needle stand is to be made of clear material in puncture needle tube assembly, it is by the tower-shaped needle hub body of ladder, the co-axial cylindrical shell of tool axial gap and the guiding dowel of both connections is constituted, it is symmetrical arranged puncture procedure on the outside of cylindrical shell and pinches ear, rank Card touching device before the interior ladder card counter stop that graduation house shape needle stand front end cascaded surface and the stop collar of protective case front end are formed is moved back and formed; the maximum outer peripheral surface of the tower-shaped needle stand of ladder is slidably matched with protective case inner cavity cylindrical surface; sliding groove symmetrical above and below is arranged in guiding rib; sliding groove radial width is matched with protection sleeve wall thickness; a groove is respectively arranged in slot bottom above and below sliding front of the slot is at needle tubing, card touching device after this groove size is matched and formed with the convex clip of card touching device after protective case.
Needle tube protecting sleeve tail end lateral wall is symmetrically arranged with a kind of drawing operation lug.
In this way, convenient for drawing needle tube protecting sleeve backward.
In summary, the present invention is had the advantages that compared with prior art after retained needle puncture use, effective protection can be implemented to needle tubing and needle point in real time, it prevents surprisingly to hurt sb.'s feelings when needle tubing subsequent processing and pollutes environment with blood, and, structure and puncture usage mode to existing puncture needle is practical substantially without change, easy to promote and utilize.
Fig. 1 is a kind of open indwelling needle structural schematic diagram in the prior art;
Fig. 2 is the structural representation sectional block diagram of the open indwelling needle of plane-of-weakness joint type protective case described in preferred embodiment;
Fig. 3 is the structural representation cross-sectional view of the open indwelling needle of plane-of-weakness joint type protective case described in preferred embodiment;
Fig. 4 is the structural representation of the needle tube protecting sleeve in the open indwelling needle of plane-of-weakness joint type protective case described in preferred embodiment
Perspective view;
Fig. 5 is the structural representation perspective view of the needle tube protecting sleeve in the open indwelling needle of plane-of-weakness joint type protective case described in 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 case described in preferred embodiment;
Fig. 7 is the structural representation perspective view of stop collar in the open indwelling needle of plane-of-weakness joint type protective case described in preferred embodiment;
Fig. 8 is the structural representation three-dimensional cutaway view of the stop collar in the open indwelling needle of plane-of-weakness joint type protective case described in preferred embodiment;
Fig. 9 is the structural representation perspective view of end cap in the open indwelling needle of plane-of-weakness joint type protective case described in preferred embodiment;
Figure 10 is the structural representation perspective view of needle stand in the open indwelling needle of plane-of-weakness joint type protective case described in 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 case described in 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 case described in preferred embodiment;
Figure 13 is that the open indwelling needle of plane-of-weakness joint type protective case described in preferred embodiment is retreated in needle tube protecting sleeve to the structural representation perspective view under puncture state.
The present invention is further elaborated with reference to the accompanying drawing.
Most preferred embodiment:
Referring to Fig. 2, Fig. 3 and Figure 13, the open indwelling needle of plane-of-weakness joint type protective case is made of needle tube protecting sleeve 1, conduit tube component 2, puncture needle tube assembly 3 and permeable watertight venting plug 4.And wherein needle tube protecting sleeve 1 is made of pipe sleeve 1.1, end cap 1.2 and front end stop collar 1.3, stop collar 1.3 is fixed in ladder in protective case front end, and end cap 1.2 is socketed on front end before remaining needle is not used, and plays needle point bridging effect.After conduit tube component, puncture needle tube assembly and venting plug assembly; it is inserted into from protective case front opening; on needle stand 3.1 be oriented to dowel 3.1.3 along enter protective case upper hopper chute line of rabbet joint 1.1.1; elasticity convex clip 1.1.2 on groove and the line of rabbet joint on guiding rib is slid into always subsides card touching; then stop collar is inserted in pipe sleeve front end; and it is fixed on interior step
Pipe sleeve front end puts on end cap again.The exhaust plug assembly of permeable watertight is installed in needle stand rear portion, and indwelling channel is located at catheter block inner core.
Referring to Fig. 4, Fig. 5 and Fig. 6, casing as needle tube protecting sleeve is a slim cylindrical shell, unilateral side opens up one fixed width rectangle line of rabbet joint 1.1.1, dowel 3.1.3 shiding matching is oriented on line of rabbet joint 1.1.1 and needle stand, the line of rabbet joint is open at one end, stop collar 1.3 is after hub assemblies install needle tube protecting sleeve 1, it is fixed in needle tube protecting sleeve front end again and forms interior ladder 1.1.5 in needle tube protecting sleeve inner cavity, convex clip 1.1.2 is provided on the inside of the line of rabbet joint of line of rabbet joint rear end, the opposite convex clip 1.1.2 respectively sets one, before convex clip 1.1.2, rear end face inclined surface at an acute angle, convenient for more easily slipping out the respective slot on needle stand when push, this convex clip blocks the convex clip of touching device after being.Needle tube protecting sleeve tail end lateral wall is symmetrically arranged with a kind of drawing operation lug 1.1.4.
Referring to Fig. 7 and Fig. 8, stop collar 1.3 is a kind of by the affixed integral two coaxial rings composition in one end end face, and the end face of opening can cover the front end of insertion needle tube protecting sleeve.
Referring to Fig. 9, end cap is a kind of seam allowance shape lid of one end face closure.
0, Figure 11 and Figure 12 referring to Fig.1, needle stand 3.1 is to be made of clear material in puncture needle tube assembly, it is made of the guiding dowel 3.1.3 of the tower-shaped needle hub body 3.1.1 of ladder, the cylindrical shell 3.1.2 of co-axial tool axial gap and both connections, and puncture procedure is symmetrical arranged on the outside of cylindrical shell and pinches ear 3.1.2.1.It is oriented to dowel and there was only unilateral setting.3.1.1.1 being blood back observation window.Card touching device before the interior ladder 1.1.5 card counter stop that the tower-shaped needle stand front end cascaded surface 3.1.1.2 of ladder and the stop collar of protective case front end are formed is moved back and formed; the maximum outer peripheral surface of the tower-shaped needle stand of ladder is slidably matched with protective case inner cavity cylindrical surface; sliding groove symmetrical above and below is arranged in guiding rib; sliding groove radial width is matched with protection sleeve wall thickness; a groove is respectively arranged in slot bottom above and below sliding front of the slot is at needle tubing, card touching device after this groove size is matched and formed with the convex clip of card touching device after protective case.
When use, first pull out end cap, proficiency grip needle stand, drawing on pipe sleeve rear end is pinched on the other hand operates lug, toward far from needle point direction sliding canister, until the affixed stop collar in pipe sleeve front end touches the guiding dowel end face of needle stand, it is completely exposed blood back observation window on conduit tube component and needle stand, can be operated with that with puncture and intubation.Hand-held fin band synchronizes in the needle tube protecting sleeve of needle tubing module back with needle tubing component, conduit tube component and card touching and is carried forward puncture operation.After puncture and intubation success, needle stand is pulled backward, needle tubing component is withdrawn from and needle tubing is allowed to be retracted into needle tube protecting sleeve again, the complete sleeve of needle tubing is blinded by this time, it is therefore prevented that surprisingly hurt sb.'s feelings when needle tubing subsequent processing and pollute environment with blood.
The not described part of the present invention is same as the prior art.
Claims (9)
- The open indwelling needle of plane-of-weakness joint type protective case, including needle tube protecting sleeve, conduit tube component, puncture needle tubing and exhaust plug assembly, it is fixed with operation fin on needle stand or ear is pinched in operation, the exhaust plug assembly of permeable watertight is installed in needle stand rear portion, indwelling channel is located at catheter block inner core, it is characterized in that, needle stand is pinched ear and connect by guiding dowel with operation fin or operation, needle tube protecting sleeve is an elongated hollow shell, one side wall or corresponding two sidewalls have the sliding line of rabbet joint of certain length, slide line of rabbet joint front opening, the line of rabbet joint is corresponding with guiding dowel and can accommodate this guiding dowel, needle tube protecting sleeve is inserted into needle stand from remaining needle rear end cap and forward slip is up to rear card touching device card touching connection between the two, the completely obscured needle point of needle tube protecting sleeve at this time, it dashes forward the convex convex clip on inner wall in needle tube protecting sleeve front end affixed one, to Needle tube protecting sleeve, rear card touching device is pulled to be detached from card touching, until convex clip and pin base fastener touch card touching and retaining before being formed afterwards; the needle tubing component separated after puncture with conduit tube component is mobile relative to needle tube protecting sleeve and is retracted into needle tube protecting sleeve backward until rear card touching device block touching again and connects, at this time needle tube protecting sleeve completely obscured needle point again.
- The open indwelling needle of 1 plane-of-weakness joint type protective case according to claim, which is characterized in that when sliding the setting of line of rabbet joint unilateral side, this slides line of rabbet joint rear end or blind resistance or opening, when sliding the setting of line of rabbet joint bilateral, this sliding blind resistance in line of rabbet joint rear end.
- The open indwelling needle of 1 plane-of-weakness joint type protective case according to claim; it is characterized in that, further including a kind of needle tubing seat card touching device, this needle tubing seat card touches device between needle tubing seat and needle tube protecting sleeve; when preceding card touching device card counter stop is moved back, which touches device card touching connection.
- The open indwelling needle of 1 plane-of-weakness joint type protective case according to claim; it is characterized in that; card touching device is made of a kind of convex clamping point being mutually matched and groove afterwards; convex clamping point and groove are located in needle tube protecting sleeve and corresponding card contact element, this card contact element needle stand operation fin is either oriented to dowel.
- The open indwelling needle of plane-of-weakness joint type protective case according to claim 1; it is characterized in that; it is preceding card touching device by stop collar and can it is corresponding with this stop collar card touch needle stand or needle tubing seat on correspondence outside ladder form; stop collar is after hub assemblies install needle tube protecting sleeve; it is fixed in needle tube protecting sleeve front end again and forms interior ladder in needle tube protecting sleeve inner cavity, this interior ladder is a kind of convex clip.
- The open indwelling needle of plane-of-weakness joint type protective case according to claim 3, which is characterized in that needle tubing seat card touching device is made of a kind of convex clamping point being mutually matched and groove, and convex clamping point and groove are located on needle tube protecting sleeve and needle tubing seat.
- The open indwelling needle of plane-of-weakness joint type protective case according to claim 1, which is characterized in that further include a kind of end cap, this end cap plug connects the front end in needle tube protecting sleeve.
- The open indwelling needle of plane-of-weakness joint type protective case according to claim 1, it is characterized in that, casing as needle tube protecting sleeve is a slim cylindrical shell, unilateral side opens up the one fixed width rectangle line of rabbet joint, dowel shiding matching is oriented on the line of rabbet joint and needle stand, the line of rabbet joint is open at one end, stop collar is after hub assemblies install needle tube protecting sleeve, it is fixed in needle tube protecting sleeve front end again and forms interior ladder in needle tube protecting sleeve inner cavity, convex clip is provided on the inside of the line of rabbet joint of line of rabbet joint rear end, the single either opposite of convex clip respectively sets one, before convex clip, rear end face inclined surface at an acute angle, convenient for more easily slipping out the respective slot on needle stand when push, this convex clip blocks the convex clip of touching device after being, and needle stand is to be made of clear material in puncture needle tube assembly, it is by the tower-shaped needle hub body of ladder, the cylindrical shell of co-axial tool axial gap and The guiding dowel of both connections is constituted; it is symmetrical arranged puncture procedure on the outside of cylindrical shell and pinches ear; card touching device before the interior ladder card counter stop that the tower-shaped needle stand front end cascaded surface of ladder and the stop collar of protective case front end are formed is moved back and formed; the maximum outer peripheral surface of the tower-shaped needle stand of ladder is slidably matched with protective case inner cavity cylindrical surface; sliding groove symmetrical above and below is arranged in guiding rib; sliding groove radial width is matched with protection sleeve wall thickness; a groove is respectively arranged in slot bottom above and below sliding front of the slot is at needle tubing, card touching device after this groove size is matched and formed with the convex clip of card touching device after protective case.
- The open indwelling needle of plane-of-weakness joint type protective case according to claim 1, which is characterized in that needle tube protecting sleeve tail end lateral wall is symmetrically arranged with a kind of drawing operation lug.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2015/078761 WO2016179795A1 (en) | 2015-05-12 | 2015-05-12 | Open catheter needle with slotted protection sleeve |
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CN107530491A true CN107530491A (en) | 2018-01-02 |
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ID=57248716
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CN201580079741.6A Pending CN107530491A (en) | 2015-05-12 | 2015-05-12 | The open indwelling needle of plane-of-weakness joint type protective case |
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CN (1) | CN107530491A (en) |
WO (1) | WO2016179795A1 (en) |
Cited By (1)
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CN110507477A (en) * | 2019-09-27 | 2019-11-29 | 安徽国泰国瑞医疗科技有限公司 | A kind of device for the implantation of ophthalmology drainage tube |
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CN109222997A (en) * | 2018-10-12 | 2019-01-18 | 河南曙光汇知康生物科技股份有限公司 | A kind of blood taking needle convenient for safe retrieving |
US11103237B2 (en) * | 2019-02-22 | 2021-08-31 | Ethicon, Inc. | Systems, devices and methods for storing suture needles and using robotics for delivering selected suture needles through trocars |
CN110585519B (en) * | 2019-09-06 | 2024-03-19 | 佛山特种医用导管有限责任公司 | Atraumatic needle and infusion set |
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CN110507477B (en) * | 2019-09-27 | 2024-05-17 | 安徽国泰国瑞医疗科技有限公司 | Device for implanting ophthalmic drainage tube |
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WO2016179795A1 (en) | 2016-11-17 |
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Application publication date: 20180102 |
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RJ01 | Rejection of invention patent application after publication |