CN211024521U - Venous indwelling needle convenient to connect - Google Patents
Venous indwelling needle convenient to connect Download PDFInfo
- Publication number
- CN211024521U CN211024521U CN201921509386.3U CN201921509386U CN211024521U CN 211024521 U CN211024521 U CN 211024521U CN 201921509386 U CN201921509386 U CN 201921509386U CN 211024521 U CN211024521 U CN 211024521U
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- China
- Prior art keywords
- fixedly connected
- needle
- spring
- steel needle
- right end
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- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 210000003462 vein Anatomy 0.000 claims description 6
- 229960002897 heparin Drugs 0.000 claims description 4
- 229920000669 heparin Polymers 0.000 claims description 4
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 9
- 239000010935 stainless steel Substances 0.000 description 9
- 210000004204 blood vessel Anatomy 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of medical supplies, in particular to a venous indwelling needle convenient for connection, which comprises a steel needle and an outer sleeve, wherein the outer sleeve is arranged at the outer side of the steel needle, a needle holding handle is fixedly connected at the top end of the steel needle, a horizontally arranged fixing ring is fixedly connected at the inner side of the top end of the outer sleeve, a horizontally arranged third spring is fixedly connected at the inner sides of the left end and the right end of the fixing ring, a second sealing block is fixedly connected at the right end of the third spring positioned at the left side, a first sealing block is fixedly connected at the left end of the third spring positioned at the right side, and the steel needle is in sliding connection with the fixing ring, the working stability of the device is improved.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to a venous indwelling needle convenient to connect.
Background
The venous indwelling needle is also called as venous trocar, it is made up of stainless steel needle core, outer thimble and plastic needle bar, pierce the stainless steel needle core and outer thimble into the blood vessel together while puncturing, draw out the stainless steel needle core after entering the blood vessel, let the soft outer thimble stay in the blood vessel to infuse, because it is the flexible hose to keep somewhere in the vein, has avoided the injury to the blood vessel of the steel needle, the patient can take the needle to move slightly, the venous indwelling needle is suitable for any position to puncture, puncture and can be used for many times, many days continuously or at intervals once, has lightened the patient and punctured the agony repeatedly, has lightened the personnel's work load of nursing, deeply receive the nurse's welcome clinically, saved a large amount of medical care manpower and materials at the same time, with the development of society, the application to the venous indwelling needle is more and more extensive, therefore, the demand for a kind of venous indwelling needle convenient to connect is growing day by day.
Most of venous indwelling needles appearing in the market at present have simple structure and single function, the common venous indwelling needle needs to be inserted into the vein of a human body through a stainless steel needle core with an outer sleeve, then the stainless steel needle core is pulled out from the inner side of the outer sleeve, so that the outer sleeve is connected with the human body, but when the stainless steel needle core is pulled out from the inner side of the outer sleeve, because the white isolating plug made of rubber is used for fixing the stainless steel needle core traditionally, the friction force between the white isolating plug and the stainless steel needle core is larger, the stainless steel needle core is not easy to pull out, medical personnel carelessly and easily bring out the outer sleeve, so that the venous indwelling needle is inconvenient to connect, and the common venous indwelling needle fixes the venous indwelling needle on the arm of the human through an adhesive plaster, but is easy to fall off when the arm of the patient moves or the hose shakes, and is also not convenient to fixedly connect the device, and the outer sleeve is easy to swing, so that the venous indwelling needle convenient to connect is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a needle is kept somewhere to vein convenient to connect to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a venous indwelling needle convenient to connect comprises a steel needle and an outer sleeve, wherein the outer sleeve is arranged on the outer side of the steel needle, a needle holding handle is fixedly connected to the top end of the steel needle, a horizontally arranged fixing ring is fixedly connected to the inner side of the top end of the outer sleeve, a horizontally arranged third spring is fixedly connected to the inner sides of the left end and the right end of the fixing ring, a second sealing block is fixedly connected to the right end of the left third spring, a first sealing block is fixedly connected to the left end of the third spring on the right side, the steel needle is in sliding connection with the fixing ring and is in contact with the first sealing block and the second sealing block, a hose is communicated with the inner side of the right end of the outer sleeve, a flow stopping clamp is arranged on the outer side of the right end of the hose, a connector is fixedly connected to the right end of the hose, a heparin cap is spirally connected to the outer side of the, the connecting rod of the vertical setting of bottom fixedly connected with of fixed block, the carousel that the bottom of connecting rod was rotated and is connected with the level setting, the outside of carousel is rotated and is connected with the holding frame, and the holding frame rotates with the connecting rod and is connected, the inboard fixedly connected with level in top of holding frame sets up the first telescopic link, the one end fixedly connected with dop of first telescopic link, the one end fixedly connected with second telescopic link of holding frame, the one end fixedly connected with stationary blade of second telescopic link, the outside of second telescopic link is provided with the second spring, and the both ends of second spring respectively with holding frame and stationary blade fixed connection.
Preferably, the inner sides of the periphery of the rotary disc are provided with clamping grooves, and the clamping head is clamped with the rotary disc through the clamping grooves.
Preferably, the outer side of the first telescopic rod is provided with a first spring, and two ends of the first spring are fixedly connected with the clamping head and the clamping frame respectively.
Preferably, the fixing pieces are made of rubber sheets made of rubber materials, and the number of the fixing pieces is three in total and is uniformly distributed on the inner side of the clamping frame.
Preferably, the shape of second sealing piece is "protruding" type setting, the shape of first sealing piece is "concave" type setting, and first sealing piece and second sealing piece can block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, can be quick link together this device and people's arm through mutually supporting between holding frame and the stationary blade through fixed block, connecting rod, first spring, dop and the second telescopic link that set up, and patient's arm also can not lead to the hose that is close to outer tube department to appear rocking when removing, improves the stability of this device work.
2. The utility model discloses in, through the first sealed piece that sets up, gu fixed ring, the third spring, the sealed piece of second and steel needle etc, frictional force between first sealed piece and the sealed piece of second and the steel needle is less than frictional force between white isolation stopper and the steel needle, the steel needle of being convenient for is extracted from the inboard of outer tube, be convenient for make this device and human venous connection together, the phenomenon that the outer tube can not appear removing when the inboard of outer tube is extracted to the assurance steel needle, and easy operation is convenient, and through the mutual block between the sealed piece of first sealed piece and second, can realize external sheathed tube sealed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;
fig. 4 is a schematic view of the mounting structure of the first sealing block of the present invention.
In the figure: 1-steel needle, 2-outer sleeve, 3-needle holding handle, 4-hose, 5-fixed block, 6-connecting rod, 7-joint, 8-first telescopic rod, 9-first spring, 10-chuck, 11-second telescopic rod, 12-second spring, 13-clamping groove, 14-first sealing block, 15-fixing ring, 16-third spring, 17-second sealing block, 18-flow stopping clamp, 19-heparin cap, 20-rotating disc, 21-clamping frame and 22-fixing piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a venous indwelling needle convenient to connect comprises a steel needle 1 and an outer sleeve 2, wherein the outer sleeve 2 is arranged on the outer side of the steel needle 1, a needle holding handle 3 is fixedly connected to the top end of the steel needle 1, the steel needle 1 can be adjusted by holding the needle handle 3, a horizontally arranged fixing ring 15 is fixedly connected to the inner side of the top end of the outer sleeve 2, a horizontally arranged third spring 16 is fixedly connected to the inner sides of the left end and the right end of the fixing ring 15, a second sealing block 17 is fixedly connected to the right end of the third spring 16 on the left side, a first sealing block 14 is fixedly connected to the left end of the third spring 16 on the right side, the steel needle 1 is slidably connected with the fixing ring 15, the steel needle 1 is in contact with the first sealing block 17 and the second sealing block 17, and the outer sleeve 2 can be prevented from air leakage through the mutual clamping of the first sealing block 14 and the second sealing block 17, the inner side of the right end of the outer sleeve 2 is communicated with a hose 4, the outer side of the right end of the hose 4 is provided with a flow stopping clamp 18, the right end of the hose 4 is fixedly connected with a connector 7, the outer side of the right end of the connector 7 is spirally connected with a heparin cap 19, the outer side of the hose 4 is fixedly connected with a fixed block 5, the bottom end of the fixed block 5 is fixedly connected with a vertically arranged connecting rod 6, the bottom end of the connecting rod 6 is rotatably connected with a horizontally arranged turntable 20, the outer side of the turntable 20 is rotatably connected with a clamping frame 21, the clamping frame 21 is rotatably connected with the connecting rod 6, the inner side of the top end of the clamping frame 21 is fixedly connected with a horizontally arranged first telescopic rod 8, one end of the first telescopic rod 8 is fixedly connected with a clamping head 10, the clamping head 10 can be driven by a first spring 9 to be clamped with the turntable 20, one end fixedly connected with second telescopic link 11 of holding frame 21, the one end fixedly connected with stationary blade 22 of second telescopic link 11, the outside of second telescopic link 11 is provided with second spring 12, and the both ends of second spring 12 respectively with holding frame 21 and stationary blade 22 fixed connection.
The inner side of the periphery of the rotary table 20 is provided with a clamping groove 13, the clamping head 10 is clamped with the rotary table 20 through the clamping groove 13, the rotary table 20 can be fixed through the mutual matching of the clamping head 10 and the clamping groove 13, the rotary table 20 can be conveniently adjusted to be limited, so that the clamping frame 21 can be adjusted to be limited, the outer side of the first telescopic rod 8 is provided with a first spring 9, two ends of the first spring 9 are fixedly connected with the clamping head 10 and the clamping frame 21 respectively, the clamping head 10 can be driven to be clamped with the rotary table 20 through the first spring 9, the limiting fixing of the rotary table 20 is realized, the stability of the rotary table 20 and the connecting rod 6 in working is ensured, the fixing pieces 22 are made of rubber sheets, the total number of the fixing pieces 22 is three, the fixing pieces are uniformly distributed on the inner side of the clamping frame 21, on one hand, the quick fixing connection of the device can, and patient's arm can not lead to also appearing rocking near the hose 4 of outer tube 2 department when removing, improves the stability of this device work, the shape of the sealed piece 17 of second is "protruding" type setting, the shape of the sealed piece 14 of first is "concave" type setting, and the sealed piece 17 of first sealed piece 14 and second can the block, through the mutual block of the sealed piece 17 of first sealed piece 14 and second, can guarantee that the phenomenon of gas leakage can not appear in outer tube 2.
The working process is as follows: in the utility model, firstly, the medical staff inserts the steel needle 1 and the outer sleeve 2 into the vein of the patient through the needle holding handle 3, then the medical staff pulls the steel needle 1 out of the outer sleeve 2 through the needle holding handle 3, because the friction force between the first sealing block 14 and the second sealing block 17 and the steel needle 1 is smaller than the friction force between the white isolating plug and the steel needle 1, the steel needle 1 is convenient to pull out from the inner side of the outer sleeve 2, the device is convenient to be connected with the vein of the human body, the outer sleeve 2 can not move when the steel needle 1 is pulled out from the inner side of the outer sleeve 2, the operation is simple and convenient, and the first sealing block 14 and the second sealing block 17 are mutually clamped under the action of the third spring 16, the sealing of the outer sleeve 2 can be realized, then the staff fixes the fixing sheet 22 and the clamping frame 21 on the arm of the patient, the fixing sheet 22 fixes the device under the action of the second spring 12 and the second telescopic rod 11, the quick arm to this device and people links together, and patient's arm can not lead to also appearing rocking near the hose 4 of outer tube 2 department when removing, improves the stability of this device work, and can adjust the position of fixed block 5 and hose 4 through the rotation of carousel 20.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a needle is kept somewhere to vein convenient to connect, includes steel needle (1) and outer tube (2), its characterized in that: the outer sleeve (2) is arranged on the outer side of the steel needle (1), the needle holding handle (3) is fixedly connected to the top end of the steel needle (1), the fixing ring (15) horizontally arranged is fixedly connected to the inner side of the top end of the outer sleeve (2), the third spring (16) horizontally arranged is fixedly connected to the inner sides of the left end and the right end of the fixing ring (15), the right end of the third spring (16) positioned on the left side is fixedly connected with a second sealing block (17), the left end of the third spring (16) positioned on the right side is fixedly connected with a first sealing block (14), the steel needle (1) is slidably connected with the fixing ring (15), the steel needle (1) is in contact with the first sealing block (14) and the second sealing block (17), the hose (4) is communicated with the inner side of the right end of the outer sleeve (2), and the flow stopping clamp (18) is arranged on the outer side of the right end, the hose clamp is characterized in that a connector (7) is fixedly connected to the right end of the hose (4), a heparin cap (19) is spirally connected to the outer side of the right end of the connector (7), a fixed block (5) is fixedly connected to the outer side of the hose (4), a vertically arranged connecting rod (6) is fixedly connected to the bottom end of the fixed block (5), a horizontally arranged turntable (20) is rotatably connected to the bottom end of the connecting rod (6), a clamping frame (21) is rotatably connected to the outer side of the turntable (20), the clamping frame (21) is rotatably connected with the connecting rod (6), a horizontally arranged first telescopic rod (8) is fixedly connected to the inner side of the top end of the clamping frame (21), a clamping head (10) is fixedly connected to one end of the first telescopic rod (8), a second telescopic rod (11) is fixedly connected to one end of the clamping frame (21), and a fixing plate (22) is, the outer side of the second telescopic rod (11) is provided with a second spring (12), and two ends of the second spring (12) are fixedly connected with the clamping frame (21) and the fixing piece (22) respectively.
2. A ready-to-connect venous indwelling needle as in claim 1, wherein: the inner side of the periphery of the rotary table (20) is provided with a clamping groove (13), and the clamping head (10) is clamped with the rotary table (20) through the clamping groove (13).
3. A ready-to-connect venous indwelling needle as in claim 1, wherein: the outer side of the first telescopic rod (8) is provided with a first spring (9), and two ends of the first spring (9) are fixedly connected with the clamping head (10) and the clamping frame (21) respectively.
4. A ready-to-connect venous indwelling needle as in claim 1, wherein: the fixing pieces (22) are made of rubber sheets made of rubber materials, and the number of the fixing pieces (22) is three in total and is uniformly distributed on the inner side of the clamping frame (21).
5. A ready-to-connect venous indwelling needle as in claim 1, wherein: the shape of second sealed piece (17) is "protruding" type setting, the shape of first sealed piece (14) is "concave" type setting, and first sealed piece (14) and second sealed piece (17) can block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509386.3U CN211024521U (en) | 2019-09-11 | 2019-09-11 | Venous indwelling needle convenient to connect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509386.3U CN211024521U (en) | 2019-09-11 | 2019-09-11 | Venous indwelling needle convenient to connect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211024521U true CN211024521U (en) | 2020-07-17 |
Family
ID=71542427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921509386.3U Expired - Fee Related CN211024521U (en) | 2019-09-11 | 2019-09-11 | Venous indwelling needle convenient to connect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211024521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112618860A (en) * | 2020-12-31 | 2021-04-09 | 四川省肿瘤医院 | Indwelling needle catheter fixing device |
-
2019
- 2019-09-11 CN CN201921509386.3U patent/CN211024521U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112618860A (en) * | 2020-12-31 | 2021-04-09 | 四川省肿瘤医院 | Indwelling needle catheter fixing device |
| CN112618860B (en) * | 2020-12-31 | 2023-12-26 | 四川省肿瘤医院 | Indwelling needle catheter fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20210911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |