CN216676598U - Safe positive-pressure remaining needle - Google Patents
Safe positive-pressure remaining needle Download PDFInfo
- Publication number
- CN216676598U CN216676598U CN202122730528.2U CN202122730528U CN216676598U CN 216676598 U CN216676598 U CN 216676598U CN 202122730528 U CN202122730528 U CN 202122730528U CN 216676598 U CN216676598 U CN 216676598U
- Authority
- CN
- China
- Prior art keywords
- connector
- needle
- tube
- positive pressure
- indwelling needle
- 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.)
- Expired - Fee Related
Links
- 239000003814 drug Substances 0.000 claims abstract description 47
- 244000241796 Christia obcordata Species 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 14
- 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 6
- 229960002897 heparin Drugs 0.000 claims description 6
- 229920000669 heparin Polymers 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 11
- 239000008280 blood Substances 0.000 abstract description 7
- 210000004369 blood Anatomy 0.000 abstract description 7
- 239000002504 physiological saline solution Substances 0.000 description 12
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 238000001802 infusion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 206010073753 Fear of injection Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229940127558 rescue medication Drugs 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a safe positive pressure indwelling needle, and relates to the field of indwelling needles. This needle is kept somewhere to safe type malleation, fixed pipe is installed on the top of needle tubing, and the first connector of a side-mounting of fixed pipe, the one end of keeping away from fixed pipe of first connector is installed into the pencil, and the top of fixed pipe installs the butterfly wing, one side of second connector is connected with the locking mouth, and the second connector keeps away from one side of locking mouth and installs feed mechanism. This needle is kept somewhere to safe type malleation makes normal saline enter into the connecting tube through the discharge gate, then enters into internally through advancing medicine pipe and needle tubing, has reduced the mode that uses another needle tubing injection, has reduced patient's psychological pressure and painful sense, can prevent back blood.
Description
Technical Field
The utility model relates to the technical field of indwelling needles, in particular to a safe positive-pressure indwelling needle.
Background
The use of the indwelling needle can reduce the pain and the fear of injection of the sick child caused by repeated venipuncture, relieve the anxiety of parents, facilitate clinical medication, help the critical patients to take rescue medication and relieve the workload of nurses, so that the venous indwelling needle is widely applied clinically, and the length of the indwelling time of the venous indwelling needle and the comfort of the sick child become the most concerned problems of the nurses and the parents;
after most of the existing indwelling needles are inserted into a body, in order to prevent blood backflow, physiological saline can be injected, most of the existing indwelling needles inject the saline into the body through a needle tube, the mode is slow in operation, psychological pressure of a patient can be increased, pain of the patient can be increased, and therefore the safe positive pressure indwelling needle is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model discloses a safety positive pressure remaining needle, which aims to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: a safety positive pressure indwelling needle comprising:
the medicine injection device comprises a needle tube, a fixed tube is mounted at the top end of the needle tube, a first connecting head is mounted on one side of the fixed tube, a medicine inlet tube is mounted at one end, far away from the fixed tube, of the first connecting head, and a butterfly wing is mounted at the top of the fixed tube;
and one side of the second connector is connected with a locking opening, and one side of the second connector, which is far away from the locking opening, is provided with a feeding mechanism.
Preferably, the second connector is arranged at one end of the medicine inlet pipe far away from the first connector, and the bottom end of the second connector is connected with a heparin cap.
Preferably, feed mechanism includes the connecting pipe, the connecting pipe is installed in one side of second connector, and the connecting pipe keeps away from the one end of second connector and installs fixed cover.
Preferably, the internal connection of fixed cover has the medicine storage bottle, and the body of medicine storage bottle sets up to soft and elastic material.
Preferably, one side of the fixed sleeve, which is close to one side of the connecting pipe, is provided with the fixed rod, the fixed rod is internally provided with the through groove, the inner wall of the through groove is provided with two discharge ports, and the elastic part is arranged in the through groove.
Preferably, the elastic piece is kept away from the one end of logical inslot wall and is installed the jam piece, and the surface of jam piece and the inner wall of dead lever laminate mutually, the surface of jam piece and the same horizontal plane of discharge gate department.
The utility model discloses a safe positive pressure remaining needle, which has the following beneficial effects:
1. this needle is kept somewhere to safe type malleation, through inserting the needle tubing internal and after fixing, will store up the medicine bottle and rotate to be connected in fixed cover, then press the bottle of medicine storage bottle, make the inside normal saline of medicine storage bottle drive and block up the piece and remove to make normal saline pass through the discharge gate and enter into in the connecting tube, then entering into internally through advancing medicine pipe and needle tubing, reduced the mode that uses another needle tubing injection, reduced patient's psychological pressure and painful sense.
2. This needle is kept somewhere to safe type malleation through the body of pressing the storage bottle, makes the inside normal saline of storage bottle promote the jam piece, blocks up the piece and removes compression elastic component to make the discharge gate open, then normal saline passes through in the second connector that the discharge gate enters into, and through the internal that advances pencil and needle tubing entering into, thereby can prevent blood return.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a second connector according to the present invention;
fig. 3 is a schematic view of the internal structure of the fixing sleeve of the present invention.
In the figure: 1. a needle tube; 101. a fixed tube; 102. a butterfly wing; 103. a first connector; 104. a medicine inlet pipe; 2. a second connector; 201. locking the opening; 202. a heparin cap; 203. a connecting pipe; 204. fixing a sleeve; 205. a medicine storage bottle; 206. fixing the rod; 207. a through groove; 208. a discharge port; 209. an elastic member; 210. and (6) blocking the block.
Detailed Description
The embodiment of the utility model discloses a safe positive pressure indwelling needle.
According to the attached drawings 1 and 2, a needle tube 1 is fixedly connected with a fixed tube 101 at the top end of the needle tube 1 for fixedly connecting a butterfly wing 102 and a first connector 103, one side of the fixed tube 101 is fixedly connected with the first connector 103 for connecting a medicine inlet tube 104, one end of the first connector 103 far away from the fixed tube 101 is fixedly connected with the medicine inlet tube 104 for the medicine liquid to pass through, and the top of the fixed tube 101 is fixedly connected with the butterfly wing 102 for disassembling a needle head;
the second connector 2 is used for connecting the locking port 201, the heparin cap 202 and the connecting pipe 203, the second connector 2 is fixedly connected to one end, away from the first connector 103, of the medicine inlet pipe 104, the bottom end of the second connector 2 is in threaded connection with the heparin cap 202 and is used for connecting a needle head of liquid medicine, the locking port 201 is in threaded connection with one side of the second connector 2 and is used for sealing the space inside the device, and the feeding mechanism is installed on one side, away from the locking port 201, of the second connector 2, so that the physiological saline can be conveniently injected;
after the needle tube 1 is inserted into the body and fixed, the medicine storage bottle 205 is rotatably connected into the fixing sleeve 204, then the bottle body of the medicine storage bottle 205 is pressed, so that the physiological saline in the medicine storage bottle 205 drives the blocking block 210 to move, the physiological saline enters the connecting tube 203 through the discharge hole 208, then enters the body through the medicine inlet tube 104 and the needle tube 1, the injection mode of another needle tube 1 is reduced, and the psychological pressure and pain of a patient are reduced.
As shown in fig. 3, the feeding mechanism includes a connecting pipe 203 for connecting the fixed body sleeve, the connecting pipe 203 is fixedly connected to one side of the second connector 2, and one end of the connecting pipe 203 away from the second connector 2 is fixedly connected with a fixed sleeve 204 for installing a medicine storage bottle 205 and a fixing rod 206, the internal thread of the fixed sleeve 204 is connected with the medicine storage bottle 205 for storing physiological saline, and the body of the medicine storage bottle 205 is made of a soft and elastic material;
one side of the fixed sleeve 204 close to the connecting pipe 203 is fixedly connected with a fixed rod 206 for installing an elastic part 209 and arranging a discharge port 208, the inside of the fixed rod 206 is fixedly connected with a through groove 207 which is the same as the fixed elastic part 209 and a blocking block 210, the inner wall of the through groove 207 is provided with two discharge ports 208 for facilitating the discharge of physiological saline, and the inside of the through groove 207 is fixedly connected with an elastic part 209 for installing the blocking block 210;
one end of the elastic piece 209, which is far away from the inner wall of the through groove 207, is fixedly connected with a blocking block 210 for closing and opening the discharge hole 208, the outer surface of the blocking block 210 is attached to the inner wall of the fixing rod 206 so as to seal the fixing rod 206, and the outer surface of the blocking block 210 and the discharge hole 208 are positioned on the same horizontal plane and used for closing and opening the discharge hole 208;
through pressing the body of storage bottle, make the inside normal saline of storage bottle promote jam piece 210, jam piece 210 removes compression elastic component 209 to make discharge gate 208 open, then normal saline passes through in the second connector 2 that discharge gate 208 got into, and through the internal that advances medicine pipe 104 and needle tubing 1 entering, thereby can prevent blood return.
The working principle is as follows: when the safe positive pressure indwelling needle is used, firstly, the model of the indwelling needle is selected according to the age, blood vessel and medicine of a patient, the indwelling needle is connected with an infusion apparatus, the locking port 201 and the heparin cap 202 are rotated to form a closed space with the second connector 2, then, air in the indwelling needle is discharged, after no air bubbles are detected, the adjusting clamp is closed, the patient is checked again, the name and the effect of a first group of infusion medicines are informed, the needle sleeve is removed, the outer sleeve is rotated to loosen the outer sleeve, the skin at the puncture part is tightened by the left hand, the needle wing of the sleeve is tightly held by the right hand, the needle is inserted with the inclined plane of the needle upwards at an angle of 20 degrees with the skin, after blood returns are seen in the transparent reflux device, the puncture angle is reduced, the puncture needle is pushed a little (0.2-0.5 cm) to ensure that the outer sleeve also enters the vein, the needle core is fixed by one hand, the outer sleeve is sent into the vein by the other hand, the tourniquet is loosened, the adjuster is opened, completely withdrawing the needle core;
then, the physiological saline is filled in the medicine storage bottle 205, the medicine storage bottle 205 is rotatably connected to the inside of the fixing sleeve 204, the medicine storage bottle 205 is in threaded connection with the fixing sleeve 204, then the body of the medicine storage bottle 205 is pressed, the physiological saline in the medicine storage bottle 205 pushes the blocking block 210 to move, the blocking block 210 moves to drive the elastic part 209 to compress, and the two discharge ports 208 are opened;
then the normal saline enters the connecting pipe 203 through the discharge hole 208, enters the second connector 2 through the drug inlet pipe 104, and enters the inner body through the fixing pipe 101 and the needle tube 1;
then, the medicine storage bottle 205 is pressed repeatedly, so that the physiological saline in the medicine storage bottle 205 is completely injected, the elastic piece 209 rebounds to enable the blocking block 210 to move forwards and block the two discharge ports 208, the discharge ports 208 are closed, the interior of the device is sealed to prevent blood from flowing backwards, and then the medicine storage bottle 205 is detached to be injected with new physiological saline, so that the next use is facilitated;
after the needle tube 1 is inserted into a body and fixed, the medicine storage bottle 205 is rotatably connected into the fixing sleeve 204, then the bottle body of the medicine storage bottle 205 is pressed, so that the physiological saline in the medicine storage bottle 205 drives the blocking block 210 to move, the physiological saline enters the connecting tube 203 through the discharge hole 208 and then enters the body through the medicine inlet tube 104 and the needle tube 1, the injection mode of using another needle tube 1 is reduced, and the psychological pressure and pain of a patient are reduced;
through pressing the body of storage bottle, make the inside normal saline of storage bottle promote jam piece 210, jam piece 210 removes compression elastic component 209 to make discharge gate 208 open, then normal saline passes through in the second connector 2 that discharge gate 208 got into, and through the internal that advances medicine pipe 104 and needle tubing 1 entering, thereby can prevent blood return.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A safety positive pressure indwelling needle is characterized by comprising:
the medicine injection device comprises a needle tube (1), wherein a fixed tube (101) is installed at the top end of the needle tube (1), a first connecting head (103) is installed on one side of the fixed tube (101), a medicine inlet tube (104) is installed at one end, far away from the fixed tube (101), of the first connecting head (103), and a butterfly wing (102) is installed at the top of the fixed tube (101);
the connector comprises a second connector (2), one side of the second connector (2) is connected with a locking opening (201), and a feeding mechanism is installed on one side, away from the locking opening (201), of the second connector (2).
2. The safety positive pressure indwelling needle according to claim 1, wherein: the second connector (2) is arranged at one end of the medicine inlet pipe (104) far away from the first connector (103), and the bottom end of the second connector (2) is connected with a heparin cap (202).
3. The safety positive pressure indwelling needle according to claim 1, wherein: feeding mechanism includes connecting pipe (203), one side at second connector (2) is installed in connecting pipe (203), and fixed cover (204) are installed to the one end that second connector (2) were kept away from in connecting pipe (203).
4. The safety positive pressure indwelling needle according to claim 3, wherein: the internal connection of fixed cover (204) has storage medicine bottle (205), and stores up the body of medicine bottle (205) and set up to soft and elastic material.
5. The safety positive pressure indwelling needle according to claim 4, wherein: one side of fixed cover (204) is close to one side of connecting pipe (203) and installs dead lever (206), and the internally mounted of dead lever (206) has logical groove (207), two discharge gates (208) have been seted up to the inner wall that leads to groove (207), and the internally mounted who leads to groove (207) has elastic component (209).
6. The safety positive pressure indwelling needle according to claim 5, wherein: one end of the elastic piece (209) far away from the inner wall of the through groove (207) is provided with a blocking block (210), the outer surface of the blocking block (210) is attached to the inner wall of the fixing rod (206), and the outer surface of the blocking block (210) and the discharge hole (208) are located on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122730528.2U CN216676598U (en) | 2021-11-09 | 2021-11-09 | Safe positive-pressure remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122730528.2U CN216676598U (en) | 2021-11-09 | 2021-11-09 | Safe positive-pressure remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216676598U true CN216676598U (en) | 2022-06-07 |
Family
ID=81831487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122730528.2U Expired - Fee Related CN216676598U (en) | 2021-11-09 | 2021-11-09 | Safe positive-pressure remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216676598U (en) |
-
2021
- 2021-11-09 CN CN202122730528.2U patent/CN216676598U/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: 20220607 |