CN114732998A - Medical tube-sealing-free shallow vein indwelling needle - Google Patents
Medical tube-sealing-free shallow vein indwelling needle Download PDFInfo
- Publication number
- CN114732998A CN114732998A CN202210333452.6A CN202210333452A CN114732998A CN 114732998 A CN114732998 A CN 114732998A CN 202210333452 A CN202210333452 A CN 202210333452A CN 114732998 A CN114732998 A CN 114732998A
- Authority
- CN
- China
- Prior art keywords
- needle
- mounting sleeve
- sleeve
- sealing plug
- sliding seat
- 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.)
- Granted
Links
- 210000003462 vein Anatomy 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 238000009434 installation Methods 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 238000001802 infusion Methods 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010073753 Fear of injection Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- 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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- 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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- 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
- A61M2005/1587—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
-
- 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
- A61M2005/1588—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body having means for monitoring, controlling or visual inspection, e.g. for patency check, avoiding extravasation
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a medical seal-free tube shallow vein indwelling needle, relates to the technical field of indwelling needles, and solves the problems that a medical worker needs to seal a transfusion tube by operating a flow regulator because a needle head is bent and deformed when the indwelling needle is manually sealed; the first mounting sleeve comprises a first needle head, and the first needle head is arranged on the outer side of the first mounting sleeve; the reinforcing seat is clamped at the outer side of the first mounting sleeve and provided with a reinforcing ring; the locating plate joint is in the telescopic outside of first installation, and the locating plate is total two, and two locating plates are the butterfly structure. The first sealing plug and the second sealing plug are respectively pierced through the second needle, so that the first sealing plug and the second sealing plug are communicated, the second needle is effectively pierced through the first sealing plug by matching the infusion tube and the sliding seat, and the first sealing plug is flexibly switched between sealing and penetrating through the elastic arrangement of the sliding seat.
Description
Technical Field
The invention belongs to the technical field of indwelling needles, and particularly relates to a medical seal-free tube shallow vein indwelling needle.
Background
The use of the indwelling needle can reduce the pain of the sick children caused by repeated venipuncture and the fear of injection, is convenient for clinical medication, emergency treatment of critical patients and reduction of the workload of nurses, so that the venous indwelling needle is widely applied clinically and needs to be sealed in the use process of the medical indwelling needle.
Based on the aforesaid, the needle is kept somewhere to current shallow vein needs medical personnel manual to keep somewhere the needle and seal the pipe, seals a tub troublesome poeration, seals a tub step loaded down with trivial details moreover, increases medical personnel's labour, and the influence of syringe needle hand external force can cause the phenomenon of buckling deformation, influences the use and the normal infusion of needle of reserving, and after the transfer line was extracted, medical personnel need seal the transfer line through operating flow regulator.
Disclosure of Invention
In order to solve the technical problems, the invention provides a medical seal-free tube shallow vein indwelling needle, which aims to solve the problems that the existing shallow vein indwelling needle needs medical staff to manually seal a tube of the indwelling needle, the needle head is affected by external force to cause bending deformation, and the medical staff needs to seal an infusion tube by operating a flow regulator.
The invention is used for the purpose and the effect of a medical catheter-free superficial vein indwelling needle, and is achieved by the following specific technical means:
a medical seal-free tube shallow vein indwelling needle comprises a first mounting sleeve;
the first mounting sleeve comprises a first needle head, and the first needle head is arranged on the outer side of the first mounting sleeve;
the reinforcing seat is clamped on the outer side of the first mounting sleeve and provided with a reinforcing ring;
the positioning plates are clamped on the outer side of the first mounting sleeve, the number of the positioning plates is two, and the two positioning plates are of butterfly structures;
the first sealing plug is clamped on the inner side of the first mounting sleeve; the connecting structure is clamped on the outer side of the first mounting sleeve;
the sliding seat is arranged on the inner side of the connecting structure; the infusion tube is clamped on the inner side of the connecting structure.
Furthermore, there is a snap ring in the outside of first installation sleeve, and a draw-in groove has been seted up to the anchor strut inboard, and the snap ring joint is in the inboard of draw-in groove, and the anchor strut is adjusted at the junction of first installation sleeve and first syringe needle.
Furthermore, three locating holes are formed in the locating plate, and a cushion pad is clamped at the bottom of the locating plate.
Furthermore, the inner side of the first installation sleeve is provided with a baffle ring, the first sealing plug is in close contact with the inner wall of the first installation sleeve, the first sealing plug is provided with two sealing sleeves with conical structures, the first sealing plug is provided with a penetrating hole, and the sealing sleeves are provided with tightening belts.
Further, the connection structure includes:
the second mounting sleeve is provided with an internal thread;
the threaded connection sleeve is provided with an external thread and is installed on the inner side of the second installation sleeve through the external thread, and the outer side of the threaded connection sleeve is sleeved with the silica gel sleeve.
Further, the locating plate includes:
the locking buckle is arranged above the positioning plate, two positioning blocks are arranged on the outer side of the first installation sleeve, the positioning groove is formed in the locking buckle, the positioning blocks are connected in the positioning groove in a clamped mode, and the locking buckle is connected to the outer side of the second installation sleeve in a clamped mode.
Furthermore, two locking rings are arranged on the outer side of the first mounting sleeve, two clamping grooves are formed in the inner side of the second mounting sleeve, and the clamping grooves are clamped on the outer sides of the locking rings.
Further, the sliding seat comprises:
the sliding seat of the second needle head is provided with a mounting hole, the second needle head is inserted into the mounting hole in a penetrating manner, the sliding seat is provided with a vertical threaded hole, a locking bolt is arranged in the threaded hole, and the second needle head is provided with two penetrating inclined openings.
Furthermore, the sliding seat is provided with a baffle ring, the inner side of the second mounting sleeve is also provided with a baffle ring, and the outer side of the sliding seat is sleeved with the supporting spring.
Further, the infusion tube comprises:
the inner side of the infusion tube is provided with a positioning ring, the second sealing plug is clamped at the inner side of the infusion tube, and the second sealing plug and the first sealing plug have the same structure.
Compared with the prior art, the invention has the following beneficial effects:
at first, seal through first sealed stopper to the telescopic inboard of first installation, the interlude hole has been seted up to first sealed stopper, the interlude hole makes things convenient for the interlude of first needle, first sealed stopper is provided with the tightening belt, tighten up the effect that has played the shrink of interlude hole, avoided on the one hand piercing the damaged phenomenon behind first sealed stopper at first needle, on the other hand makes the timely shrink of interlude hole after first needle is extracted, the telescopic liquid reflux of first installation has been avoided, thereby make the effectual sealing of first sealed stopper.
Secondly, pierce through the second syringe needle respectively first sealed stopper and the sealed stopper of second for first sealed stopper and the sealed stopper of second are linked together, cooperate through transfer line and sliding seat to make the second syringe needle effectual to first sealed stopper pierce through, through the elasticity setting of sliding seat, make first sealed stopper seal and link up between nimble switching, have solved the manual problem of sealing the pipe to the remaining needle of medical personnel.
Further, consolidate to the junction of first installation sleeve and first needle through reinforcing the seat, avoided the phenomenon that first needle atress warp, avoided the direct uncomfortable that contacts with skin of locating plate to cause of blotter to feel, the while cushion still carries out the sweat-absorbing to skin, seals up the liquid outlet self-sealing of stopper to the transfer line through the second, has solved medical personnel and has sealed the transfer line through flow regulator.
Drawings
Fig. 1 is a schematic axial side structure of the main body of the present invention.
Fig. 2 is a schematic view of a split-axis side structure of the present invention.
Fig. 3 is a schematic view of a first sealing plug and a second sealing plug of the present invention, which are communicated and cut off from the axial side.
Fig. 4 is a schematic view of the structure of the infusion tube on the side of the rear shaft after being pulled out.
Fig. 5 is a schematic view of the connection structure of the present invention with the rear axle side removed.
Fig. 6 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.
Fig. 7 is an enlarged view of the structure of fig. 2B according to the present invention.
Fig. 8 is an enlarged view of the structure of fig. 3C according to the present invention.
Fig. 9 is an enlarged view of fig. 3D according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a first mounting sleeve; 101. a first needle; 2. a reinforcing seat; 3. positioning a plate; 301. a locking buckle; 4. a first sealing plug; 5. a connecting structure; 501. a second mounting sleeve; 502. a threaded connecting sleeve; 6. a sliding seat; 601. a second needle; 7. a transfusion tube; 701. a second sealing plug.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. 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 present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a medical seal-free tube shallow vein indwelling needle, which comprises a first mounting sleeve 1;
the first mounting sleeve 1 comprises a first needle 101, the first needle 101 is arranged on the outer side of the first mounting sleeve 1, the first needle 101 is used for puncturing the skin of a patient, two locking rings are arranged on the outer side of the first mounting sleeve 1, two clamping grooves are formed in the inner side of the second mounting sleeve 501 and clamped on the outer sides of the locking rings, and the locking rings lock the second mounting sleeve 501 on the outer side of the first mounting sleeve 1, so that the first mounting sleeve 1 and the connecting structure 5 form a whole;
the reinforcing seat 2 is clamped on the outer side of the first mounting sleeve 1, the reinforcing seat 2 is provided with a reinforcing ring, the outer side of the first mounting sleeve 1 is provided with a clamping ring, the inner side of the reinforcing seat 2 is provided with a clamping groove, the clamping ring is clamped on the inner side of the clamping groove, the reinforcing seat 2 is locked on the outer side of the first mounting sleeve 1 through the matching of the clamping ring and the clamping groove, the reinforcing seat 2 is adjusted at the joint of the first mounting sleeve 1 and the first needle 101, and the reinforcing seat 2 reinforces the first mounting sleeve 1 and the first needle 101, so that the phenomenon that the joint of the first mounting sleeve 1 and the first needle 101 is stressed and bent is avoided;
positioning plate 3, positioning plate 3 joint is in the outside of first installation sleeve 1, positioning plate 3 has two in total, two positioning plates 3 are butterfly-shaped structures, positioning plate 3 is provided with three positioning holes, the positioning holes position the blotter, the bottom joint of positioning plate 3 has the blotter, the blotter chooses cotton to make for use, the blotter also can adopt the non-woven fabrics, the blotter has avoided the uncomfortable sense that positioning plate 3 directly contacts with the skin to cause, the blotter still carries out sweat-absorbing to the skin simultaneously, positioning plate 3 includes locking buckle 301, locking buckle 301 is above positioning plate 3, there are two locating pieces outside of first installation sleeve 1, locking buckle 301 has the constant head tank, the locating piece joint is in the constant head tank, locating piece and constant head tank cooperate and lock buckle 301 locking the outside of first installation sleeve 1, thereby make locking buckle 301 fix a position positioning plate 3, locking buckle 301 joint is in the outside of second installation sleeve 501, the locking clasp 301 also locks the end of the second mounting sleeve 501;
the first sealing plug 4 is connected with the inner side of the first mounting sleeve 1 in a clamping manner, the inner side of the first mounting sleeve 1 is provided with a baffle ring which positions the mounting position of the first sealing plug 4, the first sealing plug 4 is in close contact with the inner wall of the first mounting sleeve 1, so that the first sealing plug 4 effectively seals the first mounting sleeve 1, the first sealing plug 4 is provided with two sealing sleeves with conical structures, the sealing sleeves have the effect of freely zooming, the first sealing plug 4 is provided with a through hole which facilitates the penetration of the first needle 101, the sealing sleeves are provided with tightening belts which tighten to play the effect of shrinking the through hole, on one hand, the phenomenon of damage after the first needle 101 pierces the first sealing plug 4 is avoided, on the other hand, the through hole shrinks in time after the first needle 101 is pulled out, and the liquid backflow of the first mounting sleeve 1 is avoided, thereby effectively sealing the first sealing plug 4;
the connecting structure 5 is clamped on the outer side of the first mounting sleeve 1, the connecting structure 5 comprises a second mounting sleeve 501 and a threaded connecting sleeve 502, an internal thread is formed in the second mounting sleeve 501, and the second mounting sleeve 501 locks the position of the threaded connecting sleeve 502; the threaded connecting sleeve 502 is provided with external threads, the threaded connecting sleeve 502 is installed on the inner side of the second installation sleeve 501 through the external threads, the threaded connecting sleeve 502 has an installation opening blocking effect, the threaded connecting sleeve 502 blocks the sliding seat 6, the outward popping effect of the sliding seat 6 is avoided, a silica gel sleeve is sleeved on the outer side of the threaded connecting sleeve 502, and the silica gel sleeve locks and seals the outer wall of the infusion tube 7;
the sliding seat 6 is installed on the inner side of the connecting structure 5, the sliding seat 6 comprises a second needle 601, the sliding seat 6 is provided with an installation hole, the second needle 601 is inserted into the installation hole, the sliding seat 6 positions and seals the second needle 601, the sliding seat 6 is provided with a vertical threaded hole, a locking bolt is installed in the threaded hole and locks the second needle 601, the phenomenon that the second needle 601 is forced to move is avoided, the second needle 601 is provided with two piercing oblique ports which respectively pierce the first sealing plug 4 and the second sealing plug 701 to enable the first sealing plug 4 to be communicated with the second sealing plug 701, the sliding seat 6 is provided with a baffle ring, the inner side of the second installation sleeve 501 is also provided with the baffle ring, the two baffle rings are matched to achieve the effect of spring blocking, the outer side of the sliding seat 6 is sleeved with a supporting spring, the support spring elastically supports the sliding seat 6 to the outer side, and after the infusion tube 7 is pulled out from the inner side of the second mounting sleeve 501, the sliding seat 6 drives the second needle 601 to move to the outer side, so that the first sealing plug 4 automatically contracts and seals in time, and the problem that medical staff manually seals an indwelling needle is solved;
the transfer line 7, the transfer line 7 joint is in the inboard of connection structure 5, transfer line 7 is including second sealed stopper 701, the inboard of transfer line 7 has a holding ring, the holding ring is fixed a position second sealed stopper 701, second sealed stopper 701 joint is in the inboard of transfer line 7, second sealed stopper 701 seals the liquid outlet of transfer line 7, it seals transfer line 7 through the flow regulator to have solved medical personnel, second sealed stopper 701 is the same with first sealed stopper 4's structure, the difference of second sealed stopper 701 and first sealed stopper 4 lies in, the installation of second sealed stopper 701 and first sealed stopper 4 is reverse opposite.
In another embodiment, the sliding seat 6 may be configured as a valve, and the sealing and infusion of the reserved needle may be achieved by rotating the valve.
The specific use mode and function of the embodiment are as follows:
when in use, the reinforcing seat 2 is firstly clamped between the first mounting sleeve 1 and the first needle 101 to reinforce the first needle 101, then, the positioning plate 3 with the cushion pad is clamped on the outer side of the first mounting sleeve 1, the first sealing plug 4 is clamped on the inner side of the first mounting sleeve 1, the sliding seat 6 is mounted on the inner side of the second mounting sleeve 501, the threaded connecting sleeve 502 is mounted on the outer side of the second mounting sleeve 501, the positioning of the sliding seat 6 is completed, the first needle 101 is pierced on the skin of the patient, then the infusion tube 7 is clamped at the inner side of the second mounting sleeve 501, at this time, the infusion tube 7 pushes the sliding seat 6 to move, the second needle 601 respectively pierces the first sealing plug 4 and the second sealing plug 701, the first sealing plug 4 is communicated with the second sealing plug 701, and infusion to a patient is started through the infusion tube 7;
after the infusion is accomplished, extract transfer line 7 to the outside, the sealed stopper 701 of second seals the liquid outlet of transfer line 7 this moment, has avoided medical personnel to seal transfer line 7 through flow regulator, and slide holder 6 slides to the outside under the support of spring this moment, and slide holder 6 drives second syringe needle 601 and moves to the outside for first sealed stopper 4 is sealed in time automatic throat, has solved the manual problem of keeping somewhere the needle seal pipe of medical personnel.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a medical tube shallow vein indwelling needle of exempting from to seal which characterized in that: comprising a first mounting sleeve (1);
the first mounting sleeve (1) comprises a first needle (101), and the first needle (101) is arranged on the outer side of the first mounting sleeve (1);
the reinforcing base (2), the reinforcing base (2) is clamped at the outer side of the first mounting sleeve (1), and the reinforcing base (2) is provided with a reinforcing ring;
the positioning plates (3) are clamped at the outer side of the first mounting sleeve (1), the number of the positioning plates (3) is two, and the two positioning plates (3) are of butterfly structures;
the first sealing plug (4), the said first sealing plug (4) is snapped in the inboard of the first mounting sleeve (1);
the connecting structure (5) is clamped on the outer side of the first mounting sleeve (1);
a sliding seat (6), the sliding seat (6) being mounted inside the connecting structure (5); the infusion tube (7), the infusion tube (7) is clamped on the inner side of the connecting structure (5).
2. The medical seal-free tube shallow vein indwelling needle of claim 1, wherein: there is a snap ring in the outside of first installation sleeve (1), and a draw-in groove has been seted up to reinforcing base (2) inboard, and the snap ring joint is in the inboard of draw-in groove, and reinforcing base (2) are adjusted at the junction of first installation sleeve (1) and first syringe needle (101).
3. The medical seal-free tube shallow vein indwelling needle of claim 1, wherein: three locating holes have been seted up in locating plate (3), and the bottom joint of locating plate (3) has the blotter.
4. The medical seal-free tube shallow vein indwelling needle of claim 1, wherein: the inner side of the first mounting sleeve (1) is provided with a baffle ring, the first sealing plug (4) is in close contact with the inner wall of the first mounting sleeve (1), the first sealing plug (4) is provided with two sealing sleeves with conical structures, the first sealing plug (4) is provided with a penetration hole, and the sealing sleeves are provided with tightening belts.
5. The medical seal-free tube shallow vein indwelling needle of claim 1, wherein: the connecting structure (5) comprises:
the mounting structure comprises a second mounting sleeve (501), wherein an internal thread is formed in the second mounting sleeve (501);
the silica gel sleeve is sleeved on the outer side of the threaded connecting sleeve (502), an external thread is arranged on the threaded connecting sleeve (502), the threaded connecting sleeve (502) is installed on the inner side of the second installation sleeve (501) through the external thread.
6. The medical seal-free tube shallow vein indwelling needle of claim 1, wherein: the locating plate (3) comprises:
locking is detained (301), and locking is detained (301) in the top of locating plate (3), and there are two locating pieces in the outside of first installation sleeve (1), and the constant head tank has been seted up in locking knot (301), and the locating piece joint is in the constant head tank, and locking knot (301) joint is in the outside of second installation sleeve (501).
7. The medical seal-free tube shallow vein indwelling needle of claim 1, which is characterized in that: the outer side of the first mounting sleeve (1) is provided with two locking rings, the inner side of the second mounting sleeve (501) is provided with two clamping grooves, and the clamping grooves are clamped on the outer sides of the locking rings.
8. The medical seal-free tube shallow vein indwelling needle of claim 1, wherein: the sliding seat (6) comprises:
a mounting hole is formed in the sliding seat (6) of the second needle head (601), the second needle head (601) is inserted into the mounting hole, a vertical threaded hole is formed in the sliding seat (6), a locking bolt is installed in the threaded hole, and the second needle head (601) is provided with two piercing inclined openings.
9. The medical seal-free tube shallow vein indwelling needle of claim 1, wherein: the sliding seat (6) is provided with a baffle ring, the inner side of the second mounting sleeve (501) is also provided with a baffle ring, and the outer side of the sliding seat (6) is sleeved with a supporting spring.
10. The medical seal-free tube shallow vein indwelling needle of claim 1, wherein: the infusion tube (7) comprises:
the inner side of the transfusion tube (7) is provided with a positioning ring, the second sealing plug (701) is clamped at the inner side of the transfusion tube (7), and the second sealing plug (701) and the first sealing plug (4) have the same structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210333452.6A CN114732998B (en) | 2022-03-30 | 2022-03-30 | Medical tube sealing-free shallow vein indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210333452.6A CN114732998B (en) | 2022-03-30 | 2022-03-30 | Medical tube sealing-free shallow vein indwelling needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114732998A true CN114732998A (en) | 2022-07-12 |
| CN114732998B CN114732998B (en) | 2024-04-26 |
Family
ID=82278429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210333452.6A Active CN114732998B (en) | 2022-03-30 | 2022-03-30 | Medical tube sealing-free shallow vein indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114732998B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115350362A (en) * | 2022-08-23 | 2022-11-18 | 深圳市第二人民医院(深圳市转化医学研究院) | Remaining needle with safety mechanism and using method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2249613Y (en) * | 1995-12-15 | 1997-03-19 | 洪尚柱 | Disposable self-closing injection remained needle seat |
| JPH10155902A (en) * | 1996-12-03 | 1998-06-16 | Sekisui Chem Co Ltd | Indwelling needle |
| JP2003199822A (en) * | 2002-01-10 | 2003-07-15 | Nippon Sherwood Medical Industries Ltd | Indwelling needle with infectious disease preventing function and needle thrust accident preventing function |
| JP2005261938A (en) * | 2004-02-17 | 2005-09-29 | Jms Co Ltd | Indwelling needle structure and seal material used therefor |
| CN2922935Y (en) * | 2006-01-06 | 2007-07-18 | 威海洁瑞医用制品有限公司 | Straight type closed vein retaining needle |
| JP2007236825A (en) * | 2006-03-10 | 2007-09-20 | Terumo Corp | Indwelling needle assembly |
| JP2011045532A (en) * | 2009-08-27 | 2011-03-10 | Mitsubishi Pencil Co Ltd | Indwelling needle syringe |
| CN104043161A (en) * | 2014-06-27 | 2014-09-17 | 陈伟权 | Straight-type indwelling needle |
| CN204337420U (en) * | 2014-12-23 | 2015-05-20 | 潘立齐 | Venous detaining needle |
| CN205019520U (en) * | 2015-08-31 | 2016-02-10 | 深圳市中医院 | Exempt from tube sealing formula and keep somewhere needle |
-
2022
- 2022-03-30 CN CN202210333452.6A patent/CN114732998B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2249613Y (en) * | 1995-12-15 | 1997-03-19 | 洪尚柱 | Disposable self-closing injection remained needle seat |
| JPH10155902A (en) * | 1996-12-03 | 1998-06-16 | Sekisui Chem Co Ltd | Indwelling needle |
| JP2003199822A (en) * | 2002-01-10 | 2003-07-15 | Nippon Sherwood Medical Industries Ltd | Indwelling needle with infectious disease preventing function and needle thrust accident preventing function |
| JP2005261938A (en) * | 2004-02-17 | 2005-09-29 | Jms Co Ltd | Indwelling needle structure and seal material used therefor |
| CN2922935Y (en) * | 2006-01-06 | 2007-07-18 | 威海洁瑞医用制品有限公司 | Straight type closed vein retaining needle |
| JP2007236825A (en) * | 2006-03-10 | 2007-09-20 | Terumo Corp | Indwelling needle assembly |
| JP2011045532A (en) * | 2009-08-27 | 2011-03-10 | Mitsubishi Pencil Co Ltd | Indwelling needle syringe |
| CN104043161A (en) * | 2014-06-27 | 2014-09-17 | 陈伟权 | Straight-type indwelling needle |
| CN204337420U (en) * | 2014-12-23 | 2015-05-20 | 潘立齐 | Venous detaining needle |
| CN205019520U (en) * | 2015-08-31 | 2016-02-10 | 深圳市中医院 | Exempt from tube sealing formula and keep somewhere needle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115350362A (en) * | 2022-08-23 | 2022-11-18 | 深圳市第二人民医院(深圳市转化医学研究院) | Remaining needle with safety mechanism and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114732998B (en) | 2024-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6213979B1 (en) | Medical line anchoring system | |
| US5088984A (en) | Medical connector | |
| US4569675A (en) | Transcutaneous infusion system | |
| US5562618A (en) | Portal assembly and catheter connector | |
| CN114732998A (en) | Medical tube-sealing-free shallow vein indwelling needle | |
| CA2117066C (en) | Puncture needle device, mainly for a closed system introduction of a catheter into a blood vessel | |
| JP3994478B2 (en) | Liquid infusion tool | |
| CN215900576U (en) | Nursing is with venous transfusion indwelling needle fixing device | |
| JP4075972B2 (en) | Connector | |
| CN218793378U (en) | Multi-fixing cap for indwelling needle | |
| CN211512940U (en) | Detachable blood drawing and transfusion integrated mounting mechanism | |
| CN212788838U (en) | Supplementary bracelet of infusion | |
| CN218280253U (en) | Keep somewhere anti-reflux valve mechanism of needle | |
| US20090287115A1 (en) | Butterfly needle assembly and method of use thereof | |
| CN218980012U (en) | Remaining needle with split fixing belt | |
| CN215537311U (en) | Fixed cover of needle is kept somewhere to vein | |
| JP2003093505A (en) | Infusion appliance | |
| JP3118321U (en) | Plastic needles and medical devices | |
| CN112714660B (en) | Port for a catheter subcutaneously implanted in a patient | |
| CN213191766U (en) | Novel fixing device for butterfly wing needle of infusion port | |
| CN215608342U (en) | Remaining needle auxiliary device | |
| CN220002578U (en) | Disposable indwelling needle backflow-preventing tube sealing liquid injection device | |
| CN213964588U (en) | Aortic root exhaust needle | |
| IL112814A (en) | Cannula-needle assembly preventing blood backflash | |
| AU777173B2 (en) | Medical line anchoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |