CN214970356U - Tube sealing auxiliary device of double-cavity venous indwelling needle - Google Patents
Tube sealing auxiliary device of double-cavity venous indwelling needle Download PDFInfo
- Publication number
- CN214970356U CN214970356U CN202121129871.5U CN202121129871U CN214970356U CN 214970356 U CN214970356 U CN 214970356U CN 202121129871 U CN202121129871 U CN 202121129871U CN 214970356 U CN214970356 U CN 214970356U
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- groove
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- fixed block
- screw rod
- cylindrical
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- 238000007789 sealing Methods 0.000 title claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 17
- 210000003462 vein Anatomy 0.000 claims abstract description 13
- 230000009977 dual effect Effects 0.000 claims 4
- 239000007788 liquid Substances 0.000 abstract description 11
- 230000006978 adaptation Effects 0.000 abstract 1
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a needle technical field is kept somewhere to the vein, specifically is a needle is kept somewhere to two-chamber vein's pipe sealing auxiliary device, including cylindrical solid piece, the both ends of cylindrical solid piece threaded connection have first screw rod and second screw rod respectively, and second screw rod is the same with first screw rod, and the bottom of first screw rod is equipped with the hemisphere solid piece, and the semi-cylindrical mounting groove has been seted up at the middle part of cylindrical solid piece outer wall, is equipped with the solid piece of dismantling rather than the looks adaptation in the semi-cylindrical mounting groove. This needle is kept somewhere to two-chamber vein seals a tub auxiliary device can be connected with the extension pipe through the location pipe box that sets up to drive the solid piece of hemisphere through the screw rod and remove, make the extension pipe extruded in the hemisphere recess, thereby make the intraductal seal of extension pipe liquid separate the flow, guaranteed the leakproofness of extension pipe, avoid the air admission.
Description
Technical Field
The utility model relates to a needle technical field is kept somewhere to the vein, specifically is a needle is kept somewhere to two-chamber vein's seal pipe auxiliary device.
Background
The application of the venous indwelling needle is a better method for clinical transfusion, the venous indwelling needle is simple and convenient to operate, is suitable for puncture of any position, relieves the pain of repeated puncture of a patient, relieves the workload of nursing staff, and adopts a double-cavity venous indwelling needle to avoid pharmacological reaction caused by mixing of liquid medicines when the patient needs to input two liquid medicines simultaneously.
Because the catheter of the vein indwelling needle needs to be left in the vein of a human body for a long time, after the transfusion is finished every time, in order to prevent the blockage of the lumen caused by the backflow and coagulation of blood, the catheter needs to be sealed, the extension tube of the indwelling needle is clamped and sealed by the liquid stopping clamp after the catheter is sealed, and the catheter is assisted, but the tension of the liquid stopping clamp is weakened after the liquid stopping clamp is used for multiple times, so that the catheter sealing effect of the vein indwelling needle is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a needle is kept somewhere to two-chamber vein seals a tub auxiliary device to it uses only liquid card to press from both sides tight the extension pipe of keeping somewhere the needle to press from both sides tightly sealed to provide in solving above-mentioned background art behind the tube sealing, plays the complementary action to the tube sealing, but only liquid card after repetitious usage, its rate of tension can weaken, influences the problem that the needle was kept somewhere to the vein seals a tub effect.
In order to achieve the above object, the utility model provides a following technical scheme:
a tube sealing auxiliary device of a double-cavity venous indwelling needle comprises a cylindrical fixed block, wherein two ends of the cylindrical fixed block are respectively in threaded connection with a first screw rod and a second screw rod, the second screw rod is the same as the first screw rod, a hemispherical fixed block is arranged at the bottom end of the first screw rod, a semi-cylindrical mounting groove is formed in the middle of the outer wall of the cylindrical fixed block, a first left positioning tube groove is horizontally formed in the position, close to the top, of the inner wall of the semi-cylindrical mounting groove, a first left hemispherical groove is formed in the position, located in the middle of the first left positioning tube groove, of the inner wall of the semi-cylindrical mounting groove, a second left positioning tube groove is horizontally formed in the position, close to the bottom, of the inner wall of the semi-cylindrical mounting groove, a second left hemispherical groove is formed in the position, located in the middle of the second left positioning tube groove, a detachable fixed block matched with the semi-cylindrical mounting groove is arranged in the semi-cylindrical mounting groove, the detachable fixed block is characterized in that a first right positioning pipe groove corresponding to the first left positioning pipe groove in position is formed in the inner side of the detachable fixed block, a first right hemispherical groove corresponding to the first left hemispherical groove in position is formed in the inner side of the detachable fixed block, a second right positioning pipe groove corresponding to the second left positioning pipe groove in position is formed in the inner side of the detachable fixed block, and a second right hemispherical groove corresponding to the second left hemispherical groove in position is formed in the inner side of the detachable fixed block.
Preferably, the outer wall of the cylindrical fixed block and the positions close to the two ends are provided with symmetrically distributed annular grooves.
Preferably, the top end of the first screw rod is provided with an anti-slip knob.
Preferably, when the first screw is screwed with the cylindrical fixing block, the hemispherical fixing block is positioned between the first left hemispherical recess and the first right hemispherical recess.
Preferably, the middle part of the inner wall of the semi-cylindrical mounting groove is provided with a thread groove, the middle part of the outer wall of the detachable fixed block is movably connected with a screw, and the end part of the screw penetrates through the outer wall of the detachable fixed block and is in threaded connection with the inside of the thread groove.
Compared with the prior art, the beneficial effects of the utility model are that:
this needle is kept somewhere to two-chamber vein seals a tub auxiliary device can be connected with the extension pipe through the location pipe box that sets up to drive the solid piece of hemisphere through the screw rod and remove, make the extension pipe extruded in the hemisphere recess, thereby make the intraductal seal of extension pipe liquid separate the flow, guaranteed the leakproofness of extension pipe, avoid the air admission.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall exploded view of FIG. 1 according to the present invention;
FIG. 3 is a schematic structural view of a cylindrical fixed block in the present invention;
FIG. 4 is a schematic view of the detachable fixed block structure of the present invention;
fig. 5 is a schematic view of a first screw structure in the present invention.
In the figure: the anti-skid device comprises a cylindrical fixed block 1, an annular groove 10, a semi-cylindrical mounting groove 11, a first left positioning pipe groove 110, a first left hemispherical groove 1100, a second left positioning pipe groove 111, a second left hemispherical groove 1110, a thread groove 112, a first screw rod 2, a hemispherical fixed block 20, an anti-skid knob 21, a second screw rod 3, a detachable fixed block 4, a first right positioning pipe groove 40, a first right hemispherical groove 400, a second right positioning pipe groove 41, a second right hemispherical groove 410, an outer cavity extension pipe 5, an inner cavity extension pipe 6 and a screw 7.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a two-chamber vein detains tub auxiliary device of needle, including cylindrical solid piece 1, the both ends of cylindrical solid piece 1 threaded connection have first screw rod 2 and second screw rod 3 respectively, second screw rod 3 is the same with first screw rod 2, improve the commonality of two screw rods, the bottom of first screw rod 2 is equipped with hemisphere solid piece 20, extrude the extension pipe through hemisphere solid piece 20, thereby make the extension pipe sealed, half-cylindrical mounting groove 11 has been seted up in the middle part of cylindrical solid piece 1 outer wall, first left location pipe box 110 has been seted up to the inner wall of half-cylindrical mounting groove 11 and the position level that is close to the top, first left hemisphere recess 1100 has been seted up to the inner wall of half-cylindrical mounting groove 11 and the position that is located first left location pipe box 110 middle part, second left location pipe box 111 has been seted up to the inner wall of half-cylindrical mounting groove 11 and the position level that is close to the bottom, second left hemisphere recess 1100 has been seted up to the inner wall of half-cylindrical mounting groove 11 and the position that is located the middle part of second left location pipe box 111 1110, a detachable fixed block 4 adapted to the semi-cylindrical mounting groove 11 is arranged in the semi-cylindrical mounting groove 11, because the auxiliary device is an external device, the auxiliary device will not contact with the blood of the patient, the auxiliary device can be separated from two extension tubes through the detachable fixed block 4, the auxiliary device can be conveniently reused after sterilization and disinfection, the inner side of the detachable fixed block 4 is provided with a first right positioning tube groove 40 corresponding to the first left positioning tube groove 110, an outer cavity extension tube 5 is positioned between the first left positioning tube groove 110 and the first right positioning tube groove 40, the inner side of the detachable fixed block 4 is provided with a first right hemispherical groove 400 corresponding to the first left hemispherical groove 1100, the inner side of the detachable fixed block 4 is provided with a second right positioning tube groove 41 corresponding to the second left positioning tube groove 111, the inner cavity extension tube 6 is positioned between the second left positioning tube groove 111 and the second right positioning tube groove 41, the inner side of the detachable fixed block 4 is provided with a second right semi-spherical groove 410 corresponding to the position of the second left semi-spherical groove 1110 through the connection of the positioning pipe groove and the extension pipe and without the need of the normal use of the extension pipe.
In this embodiment, the outer wall of the cylindrical fixed block 1 and the position close to the two ends are provided with symmetrically distributed annular grooves 10, so that medical personnel can paste and fix the auxiliary device and the body of a patient by using a medical adhesive tape conveniently, and the auxiliary device is not easy to shift after being pasted.
Specifically, the top end of the first screw rod 2 is provided with an anti-slip knob 21, which is convenient for medical staff to rotate the first screw rod 2.
Further, when the first screw 2 is screwed with the cylindrical fixing block 1, the hemispherical fixing block 20 is located between the first left hemispherical recess 1100 and the first right hemispherical recess 400, and the outer cavity extension pipe 5 is extruded through the hemispherical fixing block 20, so that the inner wall of the outer cavity extension pipe 5 is attached to form a closed environment.
Furthermore, a thread groove 112 is formed in the middle of the inner wall of the semi-cylindrical mounting groove 11, a screw 7 is movably connected to the middle of the outer wall of the detachable fixed block 4, the end of the screw 7 penetrates through the outer wall of the detachable fixed block 4 and is in threaded connection with the thread groove 112, and the detachable fixed block 4 is fixed in the semi-cylindrical mounting groove 11 through the screw 7, so that the detachable fixed block 4 can be conveniently mounted and dismounted, and the auxiliary device can be conveniently connected with and dismounted from an extension pipe.
When the tube sealing auxiliary device of the double-cavity venous indwelling needle is used and the outer cavity extension tube 5 and the inner cavity extension tube 6 are needed to be used, medical personnel unscrew the first screw rod 2 and the second screw rod 3 to ensure that the outer cavity extension tube 5 and the inner cavity extension tube 6 are kept smooth; when accomplishing through outer chamber extension pipe 5 infusion, medical personnel extract the transfusion needle, then seal the injection of pipe liquid to outer chamber extension pipe 5, after sealing the pipe liquid at the injection, medical personnel screw up first screw rod 2, make the solid piece 20 of hemisphere extrude the 5 parts of outer chamber extension pipe in the left hemisphere recess, thereby make the outer chamber extension intraductal form closed environment, ensure that the external air can not enter into in the outer chamber extension pipe 5, same operating means, can control 3 messenger inner chamber extension pipes of second screw rod and carry out closed environment in 6, ensure that the external air can not enter into in the inner chamber extension pipe 6.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a two-chamber vein is kept somewhere supplementary device of pipe of seal of needle which characterized in that: including cylindrical solid piece (1), the both ends of cylindrical solid piece (1) threaded connection respectively have first screw rod (2) and second screw rod (3), second screw rod (3) are the same with first screw rod (2), the bottom of first screw rod (2) is equipped with hemisphere solid piece (20), semi-cylindrical mounting groove (11) have been seted up at the middle part of cylindrical solid piece (1) outer wall, first left registration arm groove (110) have been seted up to the inner wall of semi-cylindrical mounting groove (11) and the position level that is close to the top, first left hemisphere recess (1100) have been seted up to the inner wall of semi-cylindrical mounting groove (11) and the position that is located first left registration arm groove (110) middle part, second left registration arm groove (111) have been seted up to the inner wall of semi-cylindrical mounting groove (11) and the position level that is close to the bottom, second left hemisphere recess has been seted up to the inner wall of semi-cylindrical mounting groove (11) and the position that is located second left registration arm groove (111) middle part (1110) The semi-cylindrical mounting groove (11) is internally provided with a detachable fixed block (4) matched with the semi-cylindrical mounting groove, the inner side of the detachable fixed block (4) is provided with a first right positioning pipe groove (40) corresponding to the position of a first left positioning pipe groove (110), the inner side of the detachable fixed block (4) is provided with a first right semi-spherical groove (400) corresponding to the position of a first left semi-spherical groove (1100), the inner side of the detachable fixed block (4) is provided with a second right positioning pipe groove (41) corresponding to the position of a second left positioning pipe groove (111), and the inner side of the detachable fixed block (4) is provided with a second right semi-spherical groove (410) corresponding to the position of a second left semi-spherical groove (1110).
2. The tube sealing aid for a dual lumen venous indwelling needle of claim 1, wherein: and annular grooves (10) which are symmetrically distributed are formed in the positions, close to the two ends, of the outer wall of the cylindrical fixed block (1).
3. The tube sealing aid for a dual lumen venous indwelling needle of claim 1, wherein: the top end of the first screw rod (2) is provided with an anti-skid knob (21).
4. The tube sealing aid for a dual lumen venous indwelling needle of claim 1, wherein: when the first screw (2) is screwed with the cylindrical fixed block (1), the hemispherical fixed block (20) is positioned between the first left hemispherical groove (1100) and the first right hemispherical groove (400).
5. The tube sealing aid for a dual lumen venous indwelling needle of claim 1, wherein: the middle part of the inner wall of the semi-cylindrical mounting groove (11) is provided with a thread groove (112), the middle part of the outer wall of the detachable fixed block (4) is movably connected with a screw (7), and the end part of the screw (7) penetrates through the outer wall of the detachable fixed block (4) and is in threaded connection with the inside of the thread groove (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121129871.5U CN214970356U (en) | 2021-05-25 | 2021-05-25 | Tube sealing auxiliary device of double-cavity venous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121129871.5U CN214970356U (en) | 2021-05-25 | 2021-05-25 | Tube sealing auxiliary device of double-cavity venous indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214970356U true CN214970356U (en) | 2021-12-03 |
Family
ID=79133991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121129871.5U Expired - Fee Related CN214970356U (en) | 2021-05-25 | 2021-05-25 | Tube sealing auxiliary device of double-cavity venous indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214970356U (en) |
-
2021
- 2021-05-25 CN CN202121129871.5U patent/CN214970356U/en not_active Expired - Fee Related
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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: 20211203 |