CN219896626U - Venous indwelling needle convenient to recover - Google Patents
Venous indwelling needle convenient to recover Download PDFInfo
- Publication number
- CN219896626U CN219896626U CN202222855649.4U CN202222855649U CN219896626U CN 219896626 U CN219896626 U CN 219896626U CN 202222855649 U CN202222855649 U CN 202222855649U CN 219896626 U CN219896626 U CN 219896626U
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- China
- Prior art keywords
- needle
- block
- lug
- rotating block
- spliced pole
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- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 238000001990 intravenous administration Methods 0.000 claims description 9
- 230000014759 maintenance of location Effects 0.000 claims 6
- 238000004064 recycling Methods 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 description 4
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of medical appliances, in particular to a venous indwelling needle convenient to recycle, which comprises a needle seat, a needle head and a rotating block, wherein the top end of the needle seat is provided with an installation block, the inside of the needle seat is provided with a long groove, the upper end of the long groove is provided with the rotating block, the lower end of the rotating block is provided with a connecting column, one end of the connecting column, which is far away from the rotating block, is fixedly provided with a lug, the lower end of the lug is provided with an adjusting block, both sides of the adjusting block are provided with sliding grooves, the needle head is arranged below the adjusting block, the needle head is sleeved with a spring, when the rotating block is rotated by manpower, the lug rotates out of the groove on the adjusting block, and slides into the square groove after the lug moves to a certain position, so that the lug is clamped in the square groove, and at the moment, the needle head extends out of the needle seat under the cooperation of the spring, and then continues to rotate the rotating block, so that the needle head can shrink freely, recycling is convenient while not affecting use, and the recovery personnel is avoided from stabbing.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a venous indwelling needle convenient to recycle.
Background
The venous indwelling needle is also called venous trocar, the core component parts comprise a soft catheter/sleeve capable of being indwelled in a blood vessel and a stainless steel puncture guiding needle core, when the venous indwelling needle is used, the catheter and the needle core are punctured into the blood vessel together, after the catheter completely enters the blood vessel, the needle core is withdrawn, only the soft catheter is indwelled in the blood vessel to perform infusion treatment, and the venous indwelling needle can be used for injecting two liquid medicines into the body simultaneously, so that the venous indwelling needle is widely used.
The existing venous indwelling needle is directly discarded in a recovery box for unified recovery after actual use, but the needle head is exposed outside during subsequent treatment, so that fingers of a puncture recovery person are easily damaged, and bacterial infection is caused to the needle head.
Disclosure of Invention
In order to solve the problems in the prior art, a venous indwelling needle convenient to recycle is provided.
The specific technical scheme is as follows:
the utility model provides a venous indwelling needle convenient to retrieve, includes needle file, syringe needle and rotating block, the top of needle file is provided with the installation piece, the inside elongated slot of having seted up of needle file, the elongated slot upper end is provided with the rotating block, the lower extreme of rotating block is provided with the spliced pole, the spliced pole is kept away from the fixed lug that is provided with of one end of rotating block, the lower extreme of lug is provided with the regulating block, the spout has been seted up to the both sides of regulating block, gomphosis and its complex slider on the spout, the below of regulating block is provided with the syringe needle, the cover is equipped with the spring on the syringe needle.
Preferably, the upper end of the adjusting block is provided with a groove, the notch of the groove is symmetrically provided with a chute, one side of the chute is provided with a square groove, the diameter of the connecting column is smaller than that of the groove, the connecting column and the protruding block are inserted into the groove, and the size of the protruding block is matched with that of the square groove.
Preferably, the lower extreme of installation piece runs through the setting and is in the inside of needle file, and with the inside threaded connection of needle file, the one end of spliced pole with rotating block fixed connection, the other end of spliced pole rotates and sets up inside the installation piece, the installation piece with the inside intercommunication each other of needle file, the lug symmetric distribution is in the bottom of spliced pole.
Preferably, anti-slip rings are fixedly arranged on the outer wall of the rotating block, and the anti-slip rings are distributed on the periphery of the rotating block at equal intervals.
Preferably, the sliding blocks are fixedly arranged on two sides of the long groove, and the sliding blocks are in sliding connection with the sliding grooves.
Preferably, one end of the needle is fixedly connected with the bottom of the adjusting block, and the other end of the needle extends out of the bottom of the needle seat and is in sliding connection with the needle seat.
Preferably, one end of the spring abuts against the bottom of the adjusting block, and the other end of the spring abuts against the bottom of the long groove.
The technical scheme has the following advantages or beneficial effects:
1. through setting up the dwang, the lower extreme at the dwang sets up the spliced pole, rotatory the dwang is as the manpower, make the spliced pole rotate in the installation piece, thereby make the lug of spliced pole bottom rotate thereupon, the lug can rotate out from the recess on the regulating block this moment, can push down the regulating block when moving along the groove length direction of chute, make the syringe needle that is connected with the regulating block move down, slide into the square groove after the lug moves to certain position, thereby block the lug in the square groove, the syringe needle extends the needle file under the cooperation of spring this moment, continue rotatory dwang again, the lug can leave the lowest department that gets into the chute of opposite side from the square groove this moment, the spring loses the compressive force and kick-backs rapidly, thereby make the syringe needle retract in the elongated slot in the needle file, and then make the syringe needle shrink freely, also be convenient for retrieve when not influencing the use, avoid stabbing recovery personnel.
2. Through the cover is equipped with the spring on the syringe needle, when the spring is pressed down to the regulating block, spring atress compression takes place deformation, and the bottom of needle extension needle file that the syringe needle can be quick under the cooperation of spring makes the spring kick-back rapidly when the regulating block loses the compressive force to in the elongated slot in making the syringe needle retract the needle file, the setting of spring makes the syringe needle flexible more freely.
Drawings
Embodiments of the present utility model will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the utility model.
FIG. 1 is a schematic view of the overall structure of a convenient-to-recycle intravenous catheter according to the present utility model;
FIG. 2 is a schematic view showing the internal structure of a needle for intravenous catheter for easy recovery according to the present utility model;
FIG. 3 is a schematic view showing the internal structure of a needle for intravenous catheter for easy recovery according to the present utility model;
fig. 4 is a schematic structural diagram of an adjusting block of a venous indwelling needle which is convenient to recycle.
The above reference numerals denote: 1. a needle stand; 11. a mounting block; 12. a long groove; 2. a needle; 21. an adjusting block; 22. a chute; 23. a slide block; 24. a spring; 25. a groove; 26. a chute; 27. a square groove; 3. a rotating block; 31. a connecting column; 32. a bump; 33. an anti-slip ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1-4, a venous indwelling needle convenient to retrieve, including needle file 1, syringe needle 2 and rotating block 3, the top of needle file 1 is provided with installation piece 11, the long slot 12 has been seted up to needle file 1 inside, the long slot 12 upper end is provided with rotating block 3, the lower extreme of rotating block 3 is provided with spliced pole 31, the one end that spliced pole 31 kept away from rotating block 3 is fixed is provided with lug 32, the lower extreme of lug 32 is provided with regulating block 21, spout 22 has been seted up to the both sides of regulating block 21, gomphosis and it matched with slider 23 on spout 22, the below of regulating block 21 is provided with syringe needle 2, the cover is equipped with spring 24 on syringe needle 2, through setting up rotating block 3, set up spliced pole 31 at the lower extreme of rotating block 3, rotatory rotating block 3 as the manpower, make spliced pole 31 rotate in installation piece 11, thereby make lug 32 of spliced pole 31 bottom rotate thereupon, lug 32 can follow the recess 25 on regulating block 21, can extrude downwards when moving along the groove length direction of chute 26, make the syringe needle 2 connected with regulating block 21, spout 22 down move, the slider 23, the relative to the inside of syringe needle 2 is lost in the position of certain back-up groove 27, thereby the syringe needle 2 is left in the side of the groove 24 is avoided, and the syringe needle 2 is lost in the relative position of recovering groove 27, thereby, and the syringe needle 2 is retracted in the position is not influenced by the back in the side of the back-down groove 2, and the position of the spring 2 is recovered in the back in the position of the groove 27, and can be more than in the time, and the time, the lower than the lug 32 is rotated.
Further, the upper end of the adjusting block 21 is provided with the groove 25, the notch of the groove 25 is symmetrically provided with the chute 26, one side of the chute 26 is provided with the square groove 27, the diameter of the connecting column 31 is smaller than that of the groove 25, the connecting column 31 and the protruding block 32 are inserted into the groove 25, the size of the protruding block 32 is matched with that of the square groove 27, when the rotating block 3 is rotated, the connecting column 31 rotates in the mounting block 11, the protruding block 32 at the bottom of the connecting column 31 rotates along with the groove, at the moment, the protruding block 32 can rotate out of the groove 25 on the adjusting block 21, the adjusting block 21 can be extruded downwards when moving along the groove length direction of the chute 26, the needle head 2 connected with the adjusting block 21 moves downwards, the protruding block 32 slides into the square groove 27 after moving to a certain position, so that the protruding block 32 is clamped in the square groove 27, at the moment, the needle head 2 extends out of the needle seat 1 under the cooperation of the spring 24, at the moment, the protruding block 32 can leave the lowest position of the chute 26 at the opposite side from the square groove 27, the spring 24 loses the pressing force, and the needle seat 2 can rebound rapidly, and the needle seat 12 can retract freely, and the needle head 2 can retract freely.
Further, the lower extreme of installation piece 11 runs through the inside that sets up at needle file 1, and with the inside threaded connection of needle file 1, the one end and the rotating block 3 fixed connection of spliced pole 31, the other end rotation of spliced pole 31 sets up inside installation piece 11, installation piece 11 communicates each other with the inside of needle file 1, installation piece 11 is convenient for place spliced pole 31 with needle file 1 threaded connection, lug 32 symmetric distribution is in the bottom of spliced pole 31, when rotatory rotating block 3, can drive lug 32 simultaneously through spliced pole 31 and rotate.
Further, the anti-slip rings 33 are fixedly arranged on the outer wall of the rotating block 3, the anti-slip rings 33 are distributed on the periphery of the rotating block 3 at equal intervals, and slipping is not easy to occur when the rotating block 3 is rotated by the aid of the anti-slip rings 33, so that friction force is increased.
Further, the sliding blocks 23 are fixedly arranged at two sides of the long groove 12, the sliding blocks 23 and the sliding grooves 22 form sliding connection, and the adjusting block 21 can not rotate when sliding in the long groove 12 through the matching of the sliding blocks 23 and the sliding grooves 22.
Further, one end of the needle head 2 is fixedly connected with the bottom of the adjusting block 21, the other end of the needle head 2 extends out of the bottom of the needle seat 1 and is in sliding connection with the needle seat 1, and the needle head 2 can be driven to stretch out and draw back in the needle seat 1 through the sliding of the adjusting block 21 in the long groove 12.
Further, one end of the spring 24 is propped against the bottom of the adjusting block 21, the other end of the spring 24 is propped against the bottom of the long groove 12, the spring 24 is sleeved on the needle head 2, when the adjusting block 21 presses the spring 24 downwards, the spring 24 is stressed and compressed to deform, the needle head 2 can rapidly extend out of the bottom of the needle seat 1 under the cooperation of the spring 24, the spring 24 rapidly rebounds when the adjusting block 21 loses the pressing force, the needle head 2 is retracted into the long groove 12 in the needle seat 1, and the needle head 2 stretches out and draws back freely due to the arrangement of the spring 24.
Working principle: when the device is used, the rotating block 3 is rotated manually when the device is needed, so that the connecting column 31 rotates in the mounting block 11, the lug 32 at the bottom of the connecting column 31 rotates along with the rotating block, the lug 32 can rotate out of the groove 25 on the adjusting block 21 at the moment, the adjusting block 21 can be pressed downwards when moving along the groove length direction of the chute 26, the needle head 2 connected with the adjusting block 21 moves downwards, the lug 32 slides into the square groove 27 after moving to a certain position, the lug 32 is clamped in the square groove 27, and the needle head 2 extends out of the needle seat 1 under the cooperation of the spring 24 at the moment; when the needle needs to be recovered, the rotating block 3 is rotated continuously, at the moment, the protruding block 32 can leave from the square groove 27 to enter the lowest part of the chute 26 on the opposite side, and the spring 24 loses the pressing force to rebound rapidly, so that the needle 2 is retracted into the long groove 12 in the needle seat 1, and the needle is convenient to recover and is not easy to cause stabbing.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (7)
1. A venous indwelling needle convenient to retrieve, its characterized in that: including needle file (1), syringe needle (2) and rotating block (3), the top of needle file (1) is provided with installation piece (11), elongated slot (12) have been seted up to inside needle file (1), elongated slot (12) upper end is provided with rotating block (3), the lower extreme of rotating block (3) is provided with spliced pole (31), spliced pole (31) are kept away from the fixed lug (32) that is provided with of one end of rotating block (3), the lower extreme of lug (32) is provided with regulating block (21), spout (22) have been seted up to the both sides of regulating block (21), gomphosis and its complex slider (23) on spout (22), the below of regulating block (21) is provided with syringe needle (2), the cover is equipped with spring (24) on syringe needle (2).
2. A needle for intravenous retention for easy recovery as defined in claim 1, wherein: the upper end of regulating block (21) has seted up recess (25), chute (26) have been seted up to the notch department symmetry of recess (25), square groove (27) have been seted up to one side of chute (26), the diameter of spliced pole (31) is less than the diameter of recess (25), spliced pole (31) with lug (32) all alternate inside recess (25), the size of lug (32) with square groove (27) assorted.
3. A needle for intravenous retention for easy recovery as defined in claim 1, wherein: the lower extreme of installation piece (11) runs through the setting in the inside of needle file (1), and with the inside threaded connection of needle file (1), the one end of spliced pole (31) with rotating piece (3) fixed connection, the other end rotation of spliced pole (31) sets up inside installation piece (11), installation piece (11) with the inside intercommunication each other of needle file (1), lug (32) symmetric distribution are in the bottom of spliced pole (31).
4. A needle for intravenous retention for easy recovery as defined in claim 1, wherein: anti-slip rings (33) are fixedly arranged on the outer wall of the rotating block (3), and the anti-slip rings (33) are distributed on the periphery of the rotating block (3) at equal intervals.
5. A needle for intravenous retention for easy recovery as defined in claim 1, wherein: the sliding blocks (23) are fixedly arranged on two sides of the long groove, and the sliding blocks (23) and the sliding grooves (22) form sliding connection.
6. A needle for intravenous retention for easy recovery as defined in claim 2, wherein: one end of the needle head (2) is fixedly connected with the bottom of the adjusting block (21), and the other end of the needle head (2) extends out of the bottom of the needle seat (1) and is in sliding connection with the needle seat (1).
7. A needle for intravenous retention for easy recovery as defined in claim 1, wherein: one end of the spring (24) is propped against the bottom of the adjusting block (21), and the other end of the spring (24) is propped against the bottom of the long groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222855649.4U CN219896626U (en) | 2022-10-25 | 2022-10-25 | Venous indwelling needle convenient to recover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222855649.4U CN219896626U (en) | 2022-10-25 | 2022-10-25 | Venous indwelling needle convenient to recover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219896626U true CN219896626U (en) | 2023-10-27 |
Family
ID=88464810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222855649.4U Active CN219896626U (en) | 2022-10-25 | 2022-10-25 | Venous indwelling needle convenient to recover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219896626U (en) |
-
2022
- 2022-10-25 CN CN202222855649.4U patent/CN219896626U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240514 Address after: 201400 No. 4688, Yanqian Road, Qingcun Town, Fengxian District, Shanghai Patentee after: SHANGHAI ZHENGBANG MEDICAL TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 430000 Building 7, No. 154, Yingwu Avenue, Hanyang District, Wuhan, Hubei Province (E094) Patentee before: Wuhan Sanoen Science and Trade Co.,Ltd. Country or region before: China |