CN209848011U - Safe indwelling needle - Google Patents
Safe indwelling needle Download PDFInfo
- Publication number
- CN209848011U CN209848011U CN201920206342.7U CN201920206342U CN209848011U CN 209848011 U CN209848011 U CN 209848011U CN 201920206342 U CN201920206342 U CN 201920206342U CN 209848011 U CN209848011 U CN 209848011U
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- CN
- China
- Prior art keywords
- storage bag
- liquid storage
- needle
- hose
- sealing
- 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
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Abstract
The utility model discloses a safe indwelling needle, which comprises an indwelling needle body, wherein the indwelling needle body comprises a needle seat, a steel needle, a hose and a positive pressure joint connected with the hose; the tube sealing device comprises a connecting hose and a liquid storage bag, wherein the connecting hose and the needle base are integrally connected and communicated with an internal liquid inlet cavity; a one-way valve is arranged at the joint of the connecting hose and the needle base; the connecting hose is connected to a liquid outlet of the liquid storage bag, and a sealing plug is arranged on the liquid outlet; the sealing plug is arranged in the liquid storage bag and is connected with the inner wall of the liquid outlet through threads; the liquid storage bag is filled with physiological saline. The utility model provides a safe indwelling needle, which can fill physiological saline in a needle tube in advance, thereby reducing the blood return amount and rapidly relieving the blood return after the blood return phenomenon occurs; can effectively ensure the physical health of the patient.
Description
Technical Field
The utility model relates to the technical field of medical treatment, especially, relate to a needle is kept somewhere to safe type.
Background
The venous indwelling needle is a medical appliance for venous transfusion treatment, and is simple to operate and convenient to use, so that the pain of a patient caused by repeated puncture can be reduced, blood vessels can be well protected, treatment can be guaranteed, the workload of nurses can be reduced, and the venous indwelling needle is widely used clinically. Outside the hospital, use vein to keep somewhere the needle and carry out urgent venous transfusion and administer, be favorable to more preventing that the syringe needle from deviating from, the liquid medicine exosmoses on the way of patient's transport, guarantee the validity of dosing, be favorable to multiple first aid medicine vein administration simultaneously moreover. The intravenous infusion administration using the venous indwelling needle has the advantages of safety, simple and convenient operation and the like, and is gradually the most important method for establishing the venous access clinically.
When medical personnel utilize the indwelling to puncture to patient's vein, need judge whether keeping somewhere the needle tubing and having penetrated patient's vein through observing whether the blood return chamber that is located the pipe seat appears returning the blood, if insert patient's vein, just extract the needle tubing that keeps somewhere keeping somewhere from the pipe seat rear end, then be connected infusion pipe and pipe seat rear end, give patient's intravenous infusion through keeping somewhere the needle sleeve pipe.
At present, there is no solution that can overcome the above-mentioned blood return; some patients have a period of time after inserting the remaining needle for transfusion, and medical staff can only inject physiological saline from the threaded pipe by using an injector to relieve the generation of blood return; however, the method is not only insanitary, but also is complicated to operate; the work efficiency of medical staff is reduced and the patient generates greater psychological stress. Currently there is no good solution to this problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a safe indwelling needle, which can fill physiological saline in a needle tube in advance, thereby reducing the blood return amount and rapidly relieving the blood return after the blood return phenomenon occurs; can effectively ensure the health of infusion personnel.
In order to realize the purpose, the utility model discloses the technical scheme who takes is: a safe indwelling needle, which comprises an indwelling needle body,
the indwelling needle body comprises a needle seat, a steel needle, an indwelling hose, a hose and a positive pressure joint connected with the hose;
the tube sealing device comprises a connecting hose and a liquid storage bag, wherein the connecting hose and the needle base are integrally connected and communicated with an internal liquid inlet cavity;
a one-way valve is arranged at the joint of the connecting hose and the needle base;
the connecting hose is connected to a liquid outlet of the liquid storage bag, and a sealing plug is arranged on the liquid outlet; the sealing plug is arranged in the liquid storage bag and is connected with the inner wall of the liquid outlet through threads;
the liquid storage bag is filled with physiological saline.
The safety type indwelling needle is characterized in that the sealing plug is in a strip shape, and a sharp part is arranged at the end part of one end of the sealing plug;
a sealing film is arranged at the inner end part of the liquid outlet of the liquid storage bag; the sharp part of the sealing plug punctures the sealing film, and the normal saline flows into the remaining needle body.
The safety type indwelling needle is characterized in that the other end of the sealing plug is provided with an external thread, and the sealing plug is integrally connected with the side wall of the liquid storage bag through an elastic hose.
The safety indwelling needle further comprises a connecting joint which is arranged on a connecting hose between the one-way valve and the liquid storage bag;
the end head of the connecting hose is provided with a sealing interface matched with the connecting joint for use; the connecting joint is connected with the sealing interface through threads; and a sealing ring is arranged at the joint of the connecting joint and the sealing interface.
The safety indwelling needle is characterized in that the volume of the liquid storage bag is 10-15 ml;
the liquid storage bag is a transparent bag body.
The safety indwelling needle is characterized in that the liquid storage bag is provided with a scale value.
Compared with the prior art, the utility model discloses the beneficial effect who produces mainly embodies:
1. the safety type indwelling needle of the utility model can fill physiological saline into the needle tube at least twice by arranging the tube sealing device, thereby achieving the purpose of preventing blood return;
2. when the safe indwelling needle is inserted into the body, the liquid in the liquid storage bag is extruded into the body again, so that the condition of blood return after the needle insertion is quickly relieved;
3. the utility model discloses a needle is kept somewhere to safe type, it has design benefit, simple structure, utility model strong characteristics.
Drawings
FIG. 1 is a schematic structural view of a safety type indwelling needle according to the present invention;
FIG. 2 is a schematic structural view of a liquid storage bag of a safe indwelling needle according to the present invention;
description of reference numerals:
1. needle base 2, steel needle 3 and hose
4. Positive pressure joint 5, connecting hose 6 and liquid storage bag
7. One-way valve 8, sealing plug 9 and liquid outlet
10. Spike part 11, sealing film 12 and external thread
13. Elastic hose 14, connecting joint 15 and sealing interface
16. Indwelling hose 17, scale mark
Detailed Description
In order to facilitate understanding of the purpose, technical solution and effect of the present invention, the present invention will now be described in further detail with reference to the embodiments.
As shown in fig. 1 and 2, the safety indwelling needle of the present invention comprises an indwelling needle body, which comprises a needle base 1, a steel needle 2, an indwelling hose 16, a hose 3 and a positive pressure joint 4 connected with the hose 3; the tube sealing device comprises a connecting hose 5 and a liquid storage bag 6, wherein the connecting hose 5 and the needle base 1 are integrally connected and communicated with an internal liquid inlet cavity; a one-way valve 7 is arranged at the joint of the connecting hose 5 and the needle base 1; the connecting hose 5 is connected to a liquid outlet 9 of the liquid storage bag 6, and a sealing plug 8 is further arranged on the liquid outlet 9; the sealing plug 8 is arranged in the liquid storage bag 6 and is connected with the inner wall of the liquid outlet 9 through threads; and the liquid storage bag 6 is filled with physiological saline.
When the safe indwelling needle is used, after the medical staff prepares for puncture, the one-way valve is firstly opened, one end of the sealing plug 8 with the spine part 10 is inserted into the sealing film 11 at the liquid outlet 9 of the liquid storage bag 6, the normal saline flows into the indwelling needle body, and after the indwelling needle is filled with the normal saline; the other end of the sealing plug 8 is connected with the inner wall of the liquid outlet 9 through threads; then closing the one-way valve; when a small amount of blood returns after the medical staff successfully puncture, the puncture is proved to be successful; then opening the check valve; the sealing plug 8 is screwed off, and the liquid storage bag 6 is extruded, so that the physiological saline enters the end part of the puncture needle, and the condition of blood return is relieved.
The utility model discloses a safe indwelling needle, because the liquid storage bag 6 is internally provided with the sealing plug 8 with one end of the spine part 10, the liquid storage bag 6 and the connecting hose 5 can be separately stored and transported with the indwelling needle in the transportation and storage processes; when in use, the end of the connection hose 5 is connected to the connection joint 14.
In the safety indwelling needle of the utility model, the spine part 10 of the sealing plug 8 is relatively smooth, the sealing film 11 is relatively thick, and the river sealing film 11 can be punctured only when the needle is aligned and the needle is used vigorously; there is no fear that the sealing plug 8 may pierce the liquid storage bag 6 or the sealing film 11 during transportation.
As shown in fig. 1 and 2, in the safety indwelling needle of the present invention, the sealing plug 8 is in a strip shape, and the end of one end thereof is provided with a spike portion 10; a sealing film 11 is arranged at the inner end part of the liquid outlet 9 of the liquid storage bag 6; the sharp part 10 of the sealing plug 8 punctures the sealing film 11, and the physiological saline flows into the indwelling needle body.
The utility model relates to a safe indwelling needle, which is characterized in that a sealing film 11 and a sealing plug 8 with a sharp thorn part 10 at one end are specially arranged in order to ensure that the normal saline is blocked in a liquid storage bag 6 under the unused state; as can be seen from fig. 1, the sealing plug 8 is a strip made of medical plastic, and has a relatively round spike 10 at one end and a threaded rod with external threads 12 at the other end, which can be used in cooperation with the internal threads of the liquid outlet 9 for sealing purposes.
As shown in fig. 1 and 2, the other end of the sealing plug 8 is provided with an external thread 12, and the sealing plug 8 and the side wall of the liquid storage bag 6 are integrally connected through an elastic hose 13.
The utility model discloses a needle is kept somewhere to safe type, in order to play the purpose of fixed sealing plug 8, sets up flexible hose 13 specially between sealing plug 8 and stock solution bag 6.
As shown in fig. 1 and 2, the safety indwelling needle of the present invention further comprises a connection joint 14, which is provided on the connection hose 5 between the one-way valve 7 and the liquid storage bag 6; the end of the connecting hose 5 is provided with a sealing interface 15 matched with the connecting joint 14 for use; the connecting joint 14 is in threaded connection with the sealing interface 15; and a sealing ring is arranged at the joint of the connecting joint 14 and the sealing interface 15.
The utility model relates to a safe indwelling needle, which divides a connecting hose 5 into two ends, which can be freely and selectively connected or detached; when not in use, it can be in a separated state, and when in use, the sealing interface 15 and the connection joint 14 are connected with each other; because the sealing ring is arranged at the joint, the liquid is prevented from being exposed; and it should be noted that, when the liquid storage bag 6 completes its two-time liquid feeding, the connecting hose 5 and the liquid storage bag 6 can be detached, and a heparin cap is worn at the connecting interface to achieve the purpose of sealing the tube.
As shown in figures 1 and 2, the volume of the liquid storage bag 6 of the safety indwelling needle is 10-15 ml; the liquid storage bag 6 is a transparent bag body.
The utility model discloses a needle is kept somewhere to safe type, the volume of stock solution bag 6 is 10-15ml, and this liquid can be used for twice, and still can have some surplus.
As shown in fig. 1 and 2, the utility model discloses a needle is kept somewhere to safe type, be equipped with scale interval 17 on the stock solution bag 6, the medical personnel of being convenient for clearly learn its volume, and convenient to use.
The present invention has been further described with reference to the embodiments, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a needle is kept somewhere to safe type, includes keeps somewhere the needle body, its characterized in that:
the indwelling needle body comprises a needle seat, a steel needle, an indwelling hose, a hose and a positive pressure joint connected with the hose;
the tube sealing device comprises a connecting hose and a liquid storage bag, wherein the connecting hose and the needle base are integrally connected and communicated with an internal liquid inlet cavity;
a one-way valve is arranged at the joint of the connecting hose and the needle base;
the connecting hose is connected to a liquid outlet of the liquid storage bag, and a sealing plug is arranged on the liquid outlet; the sealing plug is arranged in the liquid storage bag and is connected with the inner wall of the liquid outlet through threads;
the liquid storage bag is filled with physiological saline.
2. The safety type indwelling needle according to claim 1, wherein:
the sealing plug is strip-shaped, and the end part of one end of the sealing plug is provided with a spine part;
a sealing film is arranged at the inner end part of the liquid outlet of the liquid storage bag; the sharp part of the sealing plug punctures the sealing film, and the normal saline flows into the remaining needle body.
3. The safety type indwelling needle according to claim 2, wherein:
the other end of the sealing plug is provided with an external thread, and the sealing plug is integrally connected with the side wall of the liquid storage bag through an elastic hose.
4. A safety type indwelling needle according to claim 3, wherein:
the connecting joint is arranged on a connecting hose between the one-way valve and the liquid storage bag;
the end head of the connecting hose is provided with a sealing interface matched with the connecting joint for use; the connecting joint is connected with the sealing interface through threads;
and a sealing ring is arranged at the joint of the connecting joint and the sealing interface.
5. The safety type indwelling needle according to claim 4, wherein:
the volume of the liquid storage bag is 10-15 ml;
the liquid storage bag is a transparent bag body.
6. The safety type indwelling needle according to claim 4, wherein:
the liquid storage bag is provided with a scale value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920206342.7U CN209848011U (en) | 2019-02-18 | 2019-02-18 | Safe indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920206342.7U CN209848011U (en) | 2019-02-18 | 2019-02-18 | Safe indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209848011U true CN209848011U (en) | 2019-12-27 |
Family
ID=68932243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920206342.7U Expired - Fee Related CN209848011U (en) | 2019-02-18 | 2019-02-18 | Safe indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209848011U (en) |
-
2019
- 2019-02-18 CN CN201920206342.7U patent/CN209848011U/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: 20191227 Termination date: 20210218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |