CN215309162U - Safety type indwelling needle - Google Patents
Safety type indwelling needle Download PDFInfo
- Publication number
- CN215309162U CN215309162U CN202120421367.6U CN202120421367U CN215309162U CN 215309162 U CN215309162 U CN 215309162U CN 202120421367 U CN202120421367 U CN 202120421367U CN 215309162 U CN215309162 U CN 215309162U
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- needle
- seat
- hose
- folding device
- puncture
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Abstract
The utility model discloses a safety type indwelling needle. The indwelling needle comprises a hose seat, a needle seat and a puncture steel needle, wherein a cavity penetrating through the hose seat is arranged in the hose seat, a sealing rubber plug is arranged in the cavity, the hose seat is separated into a liquid injection cavity and a needle seat cavity through the sealing rubber plug, a side pipe communicated with the injection cavity is arranged on the hose seat where the injection cavity is located, a hose extending out of the hose seat is arranged in the injection cavity of the hose seat, the puncture steel needle is arranged at one end of the needle seat, the puncture steel needle can penetrate through the sealing rubber plug and coaxially sleeved in the hose, a butterfly-shaped needle handle is arranged on the needle seat, a folding device is arranged on the needle seat, the folding device is coaxially sleeved outside the puncture steel needle, one end of the folding device is fixedly connected with the needle seat, the other end of the folding device is detachably connected on the hose seat, and the puncture steel needle can be completely wrapped when the folding device is completely unfolded. According to the utility model, after successful puncture, the puncture steel needle is withdrawn, and when the puncture steel needle is completely withdrawn into the folding device, the folding device is taken down, the needle point of the puncture steel needle cannot be exposed, so that puncture injury and cross infection are avoided.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to a safe indwelling needle.
Background
The peripheral venous indwelling needle is widely used in clinical infusion modes, has the advantages of simple operation method, reduced puncture times, longer indwelling time and the like, can reduce the pain of a patient caused by puncture, can protect the blood vessel of the patient, and can improve the nursing efficiency. In operation, the remaining protective tube sleeve is removed, puncture is carried out on the sterilized blood vessel, the puncture steel needle is pulled out after the puncture is successful, the hose is left in the blood vessel of the patient, and the infusion can be carried out after the hose is properly fixed.
However, in the prior art, the external protection device of the safe indwelling needle is a straight long tube, and the external straight long tube protection device has the following defects in the use process:
1. the angle of the remaining needle is increased, so that the puncture failure rate is increased, the pain feeling caused by puncture failure is brought to the patient, and the compliance of the patient is greatly reduced;
2. the extra long device of the remaining needle causes the increase of the amount of medical waste and increases the workload of medical waste disposers;
3. the angle of the indwelling needle is increased, the repeated puncture times are increased due to puncture failure, the blood vessel of a patient is not protected, the occurrence of venous thrombosis is increased, medical consumables are wasted due to repeated puncture, and the hospitalization cost of the patient is increased;
4. repeated indwelling puncture increases the workload of nursing staff, and is not favorable for establishing good doctor-patient relationship.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a safe indwelling needle which is recycled from a strip steel needle, can avoid puncture and cross infection of a waste steel needle and is safe and reliable to use.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides a needle is kept somewhere to safe type, includes hose seat, needle file and puncture steel needle, is equipped with the cavity that runs through the hose seat in the hose seat, installs sealed plug in the cavity, and the hose seat separates for annotating liquid chamber and needle file chamber through sealed plug, installs on the hose seat at injection chamber place with injection chamber intercommunication side pipe, is provided with the hose that extends to outside the hose seat in the hose seat injection chamber, and the puncture steel needle is installed in the one end of needle file, and the puncture steel needle can pass sealed plug and coaxial cover and locate in the hose, is provided with butterfly needle handle on the needle file, be provided with folding device on the needle file, folding device coaxial cover is established outside the puncture steel needle, folding device's one end with needle file fixed connection, other end detachably connects on the hose seat, folding device can wrap up the puncture steel needle completely when expandeing completely.
As a further improvement of the above technical solution:
the folding device comprises a foldable circular tube body and a connecting portion, wherein the connecting portion is in a hollow cylindrical shape, the inner diameter of the connecting portion is equal to the outer diameter of the hose seat, the connecting portion is arranged at one end of the tube body, the other end of the tube body is connected with the needle seat, the end portion of one end, connected with the connecting portion, of the tube body is sealed, and a through hole for the puncture steel needle to penetrate through is formed in the sealed end portion.
The pipe body is formed by sequentially and alternately connecting a left side wall, a wave crest wall, a right side wall and a wave trough wall into a continuous corrugated shape, and the length of the left side wall and the length of the right side wall are equal to one third of the diameter of the pipe body.
The tube body is made of rubber materials or soft plastic materials.
Compared with the prior art, the utility model has the advantages that:
after the puncture is successful, when the puncture steel needle is withdrawn, the folding device extends along with the withdrawal of the puncture steel needle, when the puncture steel needle is completely withdrawn into the folding device, the needle point part of the puncture steel needle is also positioned in the folding device, so that the needle point of the puncture steel needle cannot be exposed, the safety of patients, medical care personnel and other related personnel is protected, puncture wound and cross infection are avoided, the problem that the needle inserting angle of the existing clinical safe indwelling needle is increased due to the overlong additional device can be solved, and the puncture failure rate is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.
Fig. 1 is a schematic structural view of a safety type indwelling needle.
Fig. 2 is a structural schematic view of a folding device of the safety type indwelling needle.
Reference numbers in the figures: 1. a hose mount; 2. a needle seat; 3. puncturing a steel needle; 4. sealing the rubber plug; 5. a side tube; 6. a hose; 7. a butterfly needle handle; 8. a folding device; 9. a pipe body; 10. a left side wall; 11. a wave crest wall; 12. a right side wall; 13. a wave trough wall; 14. a connecting portion.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, there will now be described in detail, with reference to the accompanying drawings, a non-limiting detailed description of the present invention.
As shown in fig. 1 and 2, the safety type indwelling needle of the present embodiment includes a hose holder 1, a needle holder 2, and a piercing steel needle 3.
Be equipped with the cavity that runs through hose seat 1 in the hose seat 1, install sealed plug 4 in the cavity, hose seat 1 separates for annotating liquid chamber and needle file chamber through sealed plug 4, install on the hose seat 1 at injection chamber place and communicate side pipe 5 with the injection chamber, be provided with the hose 6 that extends to the hose seat 1 outside in the hose seat 1 injection chamber, puncture steel needle 3 installs the one end at needle file 2, when using, puncture steel needle 3 is passed sealed plug 4 and coaxial cover and locates in hose 6, after puncturing, can withdraw hose 6 and hose seat 1 with puncture steel needle 3. The needle stand 2 is provided with a butterfly needle handle 7.
The needle base 2 is connected with a folding device 8. The folding device 8 comprises a foldable circular tube body 9 and a connecting part 14, the connecting part 14 is connected to one end of the tube body 9, and the other end of the tube body 9 is connected with the needle seat 2. The connecting portion 14 has a hollow cylindrical shape with an inner diameter equal to the outer diameter of the hose holder 1, facilitating its connection with the hose holder 2. The tube body 9 is formed by alternately connecting a left side wall 10, a wave crest wall 11, a right side wall 12 and a wave trough wall 13 in sequence to form a continuous wave shape. In order to make the tube 9 fully extended to cover the piercing needle completely and to make the length of the tube in the fully retracted state small, the left and right side walls 10 and 12 are set to a length of one third of the diameter of the tube 9. The one end opening of body 9 sets up, and the other end is sealed to be set up, and the sealed end and the open end of body 9 all are in crest wall 11 department, and the open end and the needle file 2 fixed connection of body 9 offer the through-hole that supplies puncture steel needle 3 to pass on the sealed end of body 9, and the sealed end is connected with connecting portion 14. The tube body 9 is made of a rubber material or a soft plastic material. The folding device 8 is provided with a telescopic structure, and the length of the folding device can be changed along with the retraction of the puncture steel needle 3, so that the problem that the needle inserting angle is increased due to the overlong existing clinical external device is solved.
When the puncture steel needle 3 is completely withdrawn into the tube body 9, the connection part 14 and the hose seat 1 are detached, and the steel needle is discarded to a medical sharp instrument box.
According to the utility model, the folding device 8 is added, when the puncture is successfully withdrawn from the puncture steel needle 3, the folding device 8 can be changed along with the length of the push-out of the puncture steel needle 3, the puncture steel needle 3 cannot be directly exposed, and the occupational exposure of medical staff is reduced.
It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. Needle is kept somewhere to safe type, including hose seat (1), needle file (2) and puncture steel needle (3), be equipped with the cavity that runs through hose seat (1) in hose seat (1), install sealed plug (4) in the cavity, hose seat (1) is separated for annotating liquid chamber and needle seat chamber through sealed plug (4), install on hose seat (1) at injection chamber place and communicate side pipe (5) with the injection chamber, be provided with in hose seat (1) injection chamber and extend to hose seat (1) outer hose (6), the one end at needle file (2) is installed in puncture steel needle (3), puncture steel needle (3) can pass sealed plug (4) and coaxial cover locate in hose (6), needle file (2) are provided with butterfly needle handle (7), its characterized in that: be provided with folding device (8) on needle file (2), folding device (8) coaxial cover is established outside puncture steel needle (3), the one end of folding device (8) with needle file (2) fixed connection, other end detachably connects on hose seat (1), can wrap up puncture steel needle (3) completely when folding device (8) expand completely.
2. The safety type indwelling needle according to claim 1, wherein: folding device (8) are including collapsible circular body (9) and connecting portion (14), connecting portion (14) are inside hollow cylinder shape, and the internal diameter of connecting portion (14) equals the external diameter of hose seat (1), and connecting portion (14) set up the one end at body (9), and the body (9) other end is connected with needle file (2), the one end seal setting that body (9) and connecting portion (14) are connected, and the through-hole that supplies puncture steel needle (3) to pass is seted up to this sealed tip.
3. The safety type indwelling needle according to claim 2, wherein: the pipe body (9) is formed by sequentially and alternately connecting a left side wall (10), a wave crest wall (11), a right side wall (12) and a wave trough wall (13) to form a continuous corrugated shape, and the length of the left side wall (10) and the length of the right side wall (12) are equal to one third of the diameter of the pipe body (9).
4. The safety type indwelling needle according to claim 2 or 3, wherein: the tube body (9) is made of rubber material or soft plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120421367.6U CN215309162U (en) | 2021-02-25 | 2021-02-25 | Safety type indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120421367.6U CN215309162U (en) | 2021-02-25 | 2021-02-25 | Safety type indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215309162U true CN215309162U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120421367.6U Active CN215309162U (en) | 2021-02-25 | 2021-02-25 | Safety type indwelling needle |
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| Country | Link |
|---|---|
| CN (1) | CN215309162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114904088A (en) * | 2022-06-01 | 2022-08-16 | 重庆大学附属肿瘤医院 | Remaining needle taking protection device |
-
2021
- 2021-02-25 CN CN202120421367.6U patent/CN215309162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114904088A (en) * | 2022-06-01 | 2022-08-16 | 重庆大学附属肿瘤医院 | Remaining needle taking protection device |
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