CN219423450U - Disposable small and flexible needling prevention retention needle - Google Patents
Disposable small and flexible needling prevention retention needle Download PDFInfo
- Publication number
- CN219423450U CN219423450U CN202222430651.7U CN202222430651U CN219423450U CN 219423450 U CN219423450 U CN 219423450U CN 202222430651 U CN202222430651 U CN 202222430651U CN 219423450 U CN219423450 U CN 219423450U
- Authority
- CN
- China
- Prior art keywords
- needle
- catheter
- seat
- needle tube
- disposable
- 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.)
- Active
Links
- 230000014759 maintenance of location Effects 0.000 title claims abstract description 15
- 230000002265 prevention Effects 0.000 title claims abstract description 11
- 238000001802 infusion Methods 0.000 claims abstract description 12
- 244000241796 Christia obcordata Species 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 208000012266 Needlestick injury Diseases 0.000 claims 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 3
- 238000001990 intravenous administration Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010073753 Fear of injection Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003978 infusion fluid Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229940127558 rescue medication Drugs 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a disposable small and flexible needling prevention retention needle which comprises a catheter assembly and a needle tube assembly which are connected with each other, wherein the catheter assembly comprises a catheter seat and a catheter tube, the needle tube assembly comprises the needle tube seat and the needle tube, the catheter seat is an hollow rotator, a separation plug is arranged in the inner space of the catheter seat, the catheter seat is provided with only two ports, the catheter is communicated with the distal port of the catheter seat, the separation plug seals the proximal port of the separation plug, the needle tube seat is arranged at the proximal end of the catheter seat in a pluggable manner, and a needling prevention structure is arranged in the needle tube seat. The beneficial effects of the utility model are mainly as follows: the long catheter of the conventional indwelling needle is eliminated, so that the whole structure is simple, and the cost is reduced; the direction of the catheter is consistent with the infusion direction, so that the medical staff can conveniently select an angle during puncturing, and the possibility of being touched by mistake is reduced.
Description
Technical Field
The utility model relates to the technical field of infusion instruments, in particular to a disposable small and flexible needling prevention retention needle.
Background
The intravenous needle can reduce pain and fear of injection caused by repeated intravenous puncture, lighten the fidgetiness of family members, facilitate clinical medication, rescue medication for emergency and critical patients, lighten the workload of nurses and reduce pain of patients, so that the intravenous needle is widely applied in clinic. Chinese patent CN202822325U discloses a venous indwelling needle comprising a catheter assembly, a needle tube assembly and an infusion connector assembly, the catheter assembly comprising a three-way catheter hub and a catheter connected to the front end of the first opening of the three-way catheter hub. The needle tube component comprises a needle seat sleeved outside the third opening of the three-way catheter seat and a needle tube connected to the needle seat, and the needle tube is inserted into the catheter and the three-way catheter seat. The second opening of the three-way catheter seat is connected with an infusion liquid joint component which comprises a long catheter, a flow stopping clamp, an infusion joint, an end cap and the like.
When the current venous indwelling needle is applied to the outpatient service of infants, the fixing is troublesome because the pipeline is complex, especially the existence of a long catheter; in addition, because an included angle is formed between the long guide tube and the guide tube, the puncture angle of medical staff is different from the infusion angle, so that the long guide tube can be unintentionally touched by an infant, and the situation that the indwelling needle falls off and needs to be punctured again due to the fact that the infant accidentally touches the long guide tube exists; and the relatively complex structure may also make the costs associated with the venous indwelling needle high.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a disposable small and flexible needling prevention retention needle.
The aim of the utility model is achieved by the following technical scheme:
the utility model provides a disposable small and exquisite nimble needle prevention needle of keeping somewhere, includes interconnect's pipe subassembly and needle tubing subassembly, the pipe subassembly includes the pipe seat and fixes at its distal end, be used for the pipe of infusion, the needle tubing subassembly includes needle tube seat and needle tubing, the proximal end of needle tubing inserts and locates in the needle tube seat and mutual fixation, the distal end of needle tubing passes the cavity inside of pipe stretches out, the pipe seat is an empty rotator, is provided with a barrier plug in its inner space, the pipe seat has and has only two ports, pipe and its distal end port intercommunication, the barrier plug seals its proximal end port, the needle tube seat is provided with the proximal end of pipe seat pluggable ground, be provided with in the needle tube seat and prevent the needle structure.
Preferably, a pair of butterfly wings are symmetrically arranged on the outer side of the needle tube seat, and the butterfly wings are arranged in an offset mode.
Preferably, the lower side surface of the butterfly wing is provided with a non-slip protrusion.
Preferably, at least one side of the isolation plug facing the needle tube seat is provided with a concave conical tip.
Preferably, the outer side of the needle tube seat is provided with a plane which is approximately parallel to the butterfly wing.
Preferably, the outer side of the needle tube seat is provided with a holding piece.
Preferably, the anti-needling structure comprises an anti-needling body, a through hole through which the needle tube can pass is formed in the anti-needling body, an elastic sheet is arranged in the anti-needling body, and the free end of the elastic sheet with an elastic function is used for blocking the needle tube from secondary needling.
Preferably, the catheter seat is provided with an opening for providing the free end deformation space.
Preferably, in the initial state, the anti-needling structure is completely contained in the needle tube seat.
The beneficial effects of the utility model are mainly as follows: the long catheter of the conventional indwelling needle is eliminated, so that the whole structure is simple, and the cost is reduced; the direction of the catheter is consistent with the infusion direction, so that a medical staff can conveniently select an angle during puncturing, and the possibility of being touched by mistake is reduced; the whole structure and the design of the butterfly wings enable the retaining needle to be more tightly attached to the skin of the infant patient after being fixed.
Drawings
The technical scheme of the utility model is further described below with reference to the accompanying drawings:
fig. 1: front view of preferred embodiment of the present utility model;
fig. 2: a cross-sectional view of a preferred embodiment of the present utility model;
fig. 3: left side view of the preferred embodiment of the present utility model;
fig. 4: an exploded view of a preferred embodiment of the present utility model;
fig. 5: schematic illustration of the anti-needling body of the preferred embodiment of the present utility model;
fig. 6: schematic representation of the isolation plug of the preferred embodiment of the present utility model.
Detailed Description
The present utility model will be described in detail below with reference to specific embodiments shown in the drawings. The embodiments are not limited to the present utility model, and structural, methodological, or functional modifications of the utility model from those skilled in the art are included within the scope of the utility model.
In the description of the embodiments, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; in the description of the scheme, the direction approaching the operator is the near end, and the direction separating from the operator is the far end, with reference to the operator.
The preferred embodiment of the disposable small and flexible anti-needling retention needle disclosed in the present utility model as shown in fig. 1 to 6 comprises a catheter assembly and a needle tube assembly which are connected with each other as in the prior art, wherein the catheter assembly comprises a catheter seat 1 and a catheter 2 fixed at the distal end thereof for transfusion, the needle tube assembly comprises a needle tube seat 3 and a needle tube 4, the proximal end of the needle tube 4 is inserted into the needle tube seat 3 and fixed with each other, and the distal end of the needle tube 4 penetrates through the hollow interior of the catheter 2 and extends out.
The utility model is characterized in that: the catheter holder 1 is a hollow rotating body 10, an isolating plug 5 is arranged in the inner space of the hollow rotating body, the catheter holder 1 is provided with only two ports, the catheter 2 is communicated with the distal port of the hollow rotating body, the isolating plug 5 seals the proximal port of the hollow rotating body, and the needle tube holder 3 is arranged at the proximal end of the catheter holder 1 in a pluggable manner. Thus, when the needle cannula assembly is disengaged from the catheter assembly, the infusion is performed after puncturing the septum 5 with an iv needle. In the preferred embodiment, the spacer 5 is provided with a concave conical tip 50 on at least one side facing the needle cannula holder 3. Thus, the guiding device can well guide the intravenous infusion needle during puncture and prevent the intravenous infusion needle from being pricked and deflected. The isolating plug 5 can be made of medical silica gel.
The outer side of the needle tube seat 3 is symmetrically provided with a pair of butterfly wings 7 which can be used for fixing an indwelling needle and a holding part for pulling out a catheter assembly after transfusion is finished.
As shown in figure 3, the butterfly wing 7 is arranged in an offset manner and can rotate around the combination line of the butterfly wing and the catheter seat 1, and the anti-slip protrusions 70 are arranged on the lower side surface of the butterfly wing 7, so that the retention needle can be fixed more firmly and conveniently. And the outer side of the needle tube seat 3 in this embodiment has a plane 30 approximately parallel to the wings 7. The cross section of the catheter seat 1 can also be set to be a partial plane, so that the whole height of the indwelling needle is reduced, and the indwelling needle is more closely attached to the skin of an infant patient after being fixed.
The outside of needle tubing seat 3 has the piece of gripping 31, during initial state, the piece of gripping 31 is close to the butterfly wing 7, has reduced the space that takes up in the transportation.
In the utility model, the needle tube seat 3 is internally provided with a needle-punching preventing structure 6. In the initial state, the anti-needling structure 6 is completely contained in the needle tube seat 3. The anti-needling structure 6 comprises an anti-needling body 60, a through hole 61 through which the needle tube 4 can pass is formed in the anti-needling body 60, a spring piece 62 is arranged in the anti-needling body 60, and a free end 63 with an elastic function of the spring piece 62 is used for blocking the needle tube 4 from secondary needling. The catheter holder 1 is provided with an opening 11 for providing a deformation space for the free end 63. When the needle tube assembly is separated from the catheter assembly, the tip of the needle tube 4 is blocked by the free end 63 of the elastic sheet 62, and the middle of the needle tube 4 is limited by the through hole 61 of the needle-penetration preventing body 60, so that the needle-penetration preventing structure 6 is fixed in front of the needle tube 4, and the tip of the needle tube 4 is prevented from injuring other people by mistake.
The utility model eliminates the long catheter of the conventional indwelling needle, so that the whole structure is simple, and the cost is reduced; the direction of the catheter is consistent with the infusion direction, so that the medical staff can conveniently select an angle during puncturing, and the possibility of being touched by mistake is reduced.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. Disposable small and exquisite nimble needle prevention needle of remaining of needle, including interconnect's pipe subassembly and needle tubing subassembly, the pipe subassembly includes catheter seat (1) and fixes at its distal end, is used for pipe (2) of infusion, the needle tubing subassembly includes needle tube seat (3) and needle tubing (4), the proximal end of needle tubing (4) is inserted and is located in needle tube seat (3) and mutually fixed, the distal end of needle tubing (4) passes the cavity inside of pipe (2) stretches out its characterized in that: the catheter seat (1) is an empty rotator (10), an isolation plug (5) is arranged in the inner space of the catheter seat (1), the catheter seat (1) is provided with only two ports, the catheter (2) is communicated with the distal end port of the catheter seat, the isolation plug (5) seals the proximal end port of the catheter seat, the needle tube seat (3) is arranged at the proximal end of the catheter seat (1) in a pluggable manner, and an anti-needling structure (6) is arranged in the needle tube seat (3).
2. The disposable, compact and flexible needle-stick resistant retention needle of claim 1, wherein: a pair of butterfly wings (7) are symmetrically arranged on the outer side of the needle tube seat (3), and the butterfly wings (7) are arranged in an offset mode.
3. The disposable, compact and flexible needle-stick resistant retention needle of claim 2, wherein: the lower side surface of the butterfly wing (7) is provided with a non-slip protrusion (70).
4. The disposable, compact and flexible needle-stick resistant retention needle of claim 1, wherein: the isolating plug (5) is provided with a concave conical tip (50) at least on one side surface facing the needle tube seat (3).
5. The disposable, compact and flexible needle-stick resistant retention needle of claim 2, wherein: the outer side of the needle tube seat (3) is provided with a plane (30) which is approximately parallel to the butterfly wing (7).
6. The disposable, compact and flexible needle-stick resistant retention needle of claim 1, wherein: the outer side of the needle tube seat (3) is provided with a holding piece (31).
7. The disposable, compact, flexible needlestick prevention retention needle of any of claims 1-6, wherein: the anti-needling structure (6) comprises an anti-needling body (60), a through hole (61) through which the needle tube (4) can pass is formed in the anti-needling body (60), an elastic sheet (62) is arranged in the anti-needling body (60), and the free end (63) of the elastic sheet (62) with an elastic function is used for blocking the needle tube (4) from being secondarily needled.
8. The disposable, compact, flexible needlestick prevention retention needle of claim 7, wherein: the catheter seat (1) is provided with an opening (11) for providing a deformation space of the free end (63).
9. The disposable, compact, flexible needlestick prevention retention needle of claim 7, wherein: in the initial state, the anti-needling structure (6) is completely contained in the needle tube seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222430651.7U CN219423450U (en) | 2022-09-14 | 2022-09-14 | Disposable small and flexible needling prevention retention needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222430651.7U CN219423450U (en) | 2022-09-14 | 2022-09-14 | Disposable small and flexible needling prevention retention needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219423450U true CN219423450U (en) | 2023-07-28 |
Family
ID=87333293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222430651.7U Active CN219423450U (en) | 2022-09-14 | 2022-09-14 | Disposable small and flexible needling prevention retention needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219423450U (en) |
-
2022
- 2022-09-14 CN CN202222430651.7U patent/CN219423450U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102594312B1 (en) | Extension that accepts a probe or intravenous catheter | |
| US20160220805A1 (en) | Intravenous catheter assembly design | |
| KR102933685B1 (en) | Catheter system and related method for facilitating blood collection | |
| CN116456900A (en) | Blood collection devices, systems, and methods | |
| MX2013001219A (en) | Closed peripheral intravenous catheter with safety system cpivcss. | |
| Van Zundert | New closed IV catheter system | |
| CN215461201U (en) | Catheter system | |
| CA3173813A1 (en) | Pediatric catheter system | |
| US20240016428A1 (en) | Integrated Catheter System with Near Patient Access Port and Visual Indicators | |
| CN112512617B (en) | Catheter system for improving first-time penetration success | |
| WO2023034240A1 (en) | Integrated catheter with needle-free connector | |
| CN107789702B (en) | A safe medical trocar with retraction guiding structure | |
| CN219185300U (en) | Anti-countercurrent closed type indwelling needle for dialysis | |
| CN213724100U (en) | Anti-overflow open type remaining needle | |
| CN215993982U (en) | Arteriopuncture blood sampling device capable of preventing accidental injury of sharp instrument | |
| CN207545560U (en) | The tear-away safety-type medical trocar of pumpback component | |
| JPH0999072A (en) | Needle end protecting device | |
| CN219231003U (en) | Disposable sensitive blood return needle | |
| CN212090417U (en) | Small-sized indwelling needle | |
| CN209060194U (en) | Remaining needle | |
| CN107789701B (en) | A safe medical trocar with multiple infusion channels | |
| EP4665229A2 (en) | Blood draw connector for open peripheral intravenous catheters | |
| CN120643221A (en) | Catheter system | |
| WO2025193793A1 (en) | Integrated safety iv catheter system with port for attachment of blood collection device | |
| JP2024541622A (en) | One-piece catheter having a stabilized near-patient port extension set structure - Patents.com |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |