CN211024516U - Shallow vein detaining needle puncture device - Google Patents

Shallow vein detaining needle puncture device Download PDF

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Publication number
CN211024516U
CN211024516U CN201920968539.4U CN201920968539U CN211024516U CN 211024516 U CN211024516 U CN 211024516U CN 201920968539 U CN201920968539 U CN 201920968539U CN 211024516 U CN211024516 U CN 211024516U
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CN
China
Prior art keywords
needle
shell
spring
tube
close
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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
Application number
CN201920968539.4U
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Chinese (zh)
Inventor
张利娜
李笑敏
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Air Force Medical University of PLA
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Air Force Medical University of PLA
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Priority to CN201920968539.4U priority Critical patent/CN211024516U/en
Application granted granted Critical
Publication of CN211024516U publication Critical patent/CN211024516U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a needle piercing depth is kept somewhere to shallow vein, one side of needle shell is provided with the needle file, one side that the needle file is close to the needle shell is provided with the needle tubing, the inside one side of keeping away from the needle file of needle tubing is provided with the needle point, the centre department of needle file is provided with first spring, the needle file is kept away from to first spring is connected with the needle point, the outside that the needle point is close to first spring is seted up flutedly, the needle shell is kept away from to the interface is provided with the extension pipe, the extension pipe is close to the outside wall of the one end of first flow stopping valve and installs the shunt tubes, the one end that the interface was kept away from to the extension pipe is provided with the tee bend interface. The utility model discloses the device passes through mutually supporting of needle tubing, needle point, first spring, second spring and gag lever post, can make the automatic inside of indentation needle tubing of needle point through the hand gag lever post, avoids the nurse because of the operation carelessly is pricked by the syringe needle, and the nurse personnel of being convenient for operate.

Description

Shallow vein detaining needle puncture device
Technical Field
The utility model relates to the technical field of medical treatment, specifically a needle piercing depth is kept somewhere to shallow vein.
Background
With the development of medical technology, more and more devices are prepared for clinical treatment, the venous indwelling needle can be used for clinical transfusion and blood transfusion, used for clinical transfusion treatment, can protect blood vessels, reduce the pain of repeated puncture of patients and lighten the workload of nursing staff, the sleeve of the existing vein retention needle is guided into the vein of a human body by a puncture needle, so the puncture needle for guiding needs to be withdrawn and discarded after the sleeve is punctured in place, during this procedure, the nurse may be withdrawn from the operation due to carelessness to prick the needle tip, cause infection, or the normal operation is influenced due to fear of puncture, and meanwhile, air enters the venous indwelling needle when the venous indwelling needle is connected with various infusion sets, and the air enters the blood vessel through the venous indwelling needle to cause harm to human bodies, so that the shallow venous indwelling needle puncture device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a needle piercing depth is kept somewhere to shallow vein to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a needle puncturing device for superficial vein remaining needle comprises a needle shell, wherein a needle seat is arranged on one side of the needle shell, needle wings are arranged at two ends of the needle seat, a needle tube is arranged on one side, close to the needle shell, of the needle seat and is positioned in the needle shell, a needle point is arranged on one side, far away from the needle seat, of the needle tube, a sleeve is arranged on one side, far away from the needle seat, of the needle shell and is sleeved outside the needle point, a first spring is arranged in the middle of one side of the needle seat and is positioned in the needle tube, one side, far away from the needle seat, of the first spring is connected with the needle point, a groove is formed in the outer side, close to the first spring, of the needle point, a second spring is arranged in the groove, a limiting rod is installed at one end, far away from the groove, of the second spring extends out of the needle tube, hole grooves are formed, one side that the needle file top was kept away from to the needle shell is provided with the interface, the one end that the needle shell was kept away from to the interface is provided with the extension pipe, and the extension pipe is close to the one end outside cover of interface and has been put first flow stopping valve, the extension pipe is close to the outside jade wall of the one end of first flow stopping valve and installs the shunt tubes, and the outside jade wall cover of shunt tubes has been put the second and has been stopped the valve, the one end that the interface was kept away from to the extension pipe is provided with the tee bend interface, the both ends of tee bend interface all are provided with the PC hose, and the PC.
Preferably, the outer side wall of the needle is provided with a side hole.
Preferably, one end of the outer side wall of the needle shell, which is close to the needle seat, is provided with a sealing cover, and one end of the sealing cover is provided with a sealing column.
Preferably, the diameter of the needle cannula is greater than the diameter of the needle tip.
Preferably, the extension tube is connected to a side of the cannula inside the needle housing.
Preferably, the middle of the outer side wall of the extension pipe is provided with a bonding sheet.
Compared with the prior art, the beneficial effects of the utility model are that: this needle piercing depth is kept somewhere to shallow vein passes through the needle tubing, the needle point, first spring, mutually supporting of second spring and gag lever post, can make the inside of the automatic indentation needle tubing of needle point through the hand gag lever post, avoid the nurse to be pricked by the needle head because of operating carelessly, and be convenient for nurse personnel to operate, this needle piercing depth is kept somewhere to shallow vein still through first flow stopping valve simultaneously, mutually supporting of shunt tubes and second flow stopping valve, can be when being connected with the transfusion system, the inside air of needle is kept somewhere in the discharge, avoid the air to get into the blood vessel and cause harm to the human body, and this needle piercing depth is kept somewhere to shallow vein is provided with two sets of malleation joints and PC hose, it needs to make a round trip to dismantle the change transfusion system to have avoided the nurse, the nurse personnel's operation of being convenient for, the efficiency is improved, simultaneously also avoided causing danger.
Drawings
FIG. 1 is an internal schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the inside of the utility model after the needle tip is detached;
fig. 3 is a schematic view of the inner structure of the needle tip of the present invention.
In the figure: 1. a needle shell; 2. a needle seat; 3. a needle wing; 4. a needle tube; 5. a needle tip; 6. a sealing cover; 7. a sleeve; 8. an interface; 9. an extension tube; 10. a first check valve; 11. a shunt tube; 12. a second check valve; 13. a three-way interface; 14. a PC hose; 15. a positive pressure joint; 16. a hole groove; 17. a first spring; 18. a limiting rod; 19. a second spring; 20. and (4) a groove.
Detailed Description
Example 1
As shown in fig. 1 and 3, the shallow venous indwelling needle puncture device comprises a needle shell 1 and is characterized in that; a needle seat 2 is arranged at one side of the needle shell 1, needle wings 3 are arranged at two ends of the needle seat 2, a needle tube 4 is arranged at one side of the needle seat 2 close to the needle shell 1, the needle tube 4 is positioned in the needle shell 1, the needle point 5 is arranged on one side of the interior of the needle tube 4, which is far away from the needle base 2, the sleeve 7 is arranged on one side of the interior of the needle shell 1, which is far away from the needle base 2, the sleeve 7 is sleeved outside the needle point 5, the middle of one side of the needle base 2 is provided with a first spring 17, and the first spring 17 is positioned in the needle tube 4, one side of the first spring 17 far away from the needle base 2 is connected with the needle point 5, the outer side of the needle point 5 near the first spring 17 is provided with a groove 20, and a second spring 19 is arranged in the groove 20, a limiting rod 18 is arranged at one end of the second spring 19 far away from the inside of the groove 20, and the limiting rod 18 extends out of the outer side of the needle tube 4.
The utility model discloses a shallow vein detaining needle piercing depth passes through mutually supporting of needle tubing, needle point, first spring, second spring and gag lever post, can make the automatic inside of indentation needle tubing of needle point through the hand gag lever post, avoids the nurse because of the operation carelessly is pricked by the syringe needle, and the nurse personnel of being convenient for operate.
Example 2
As shown in fig. 1 and 2, a shallow vein indwelling needle puncture device comprises a needle shell 1 and is characterized in that; one side that needle shell 1 kept away from needle file 2 top is provided with interface 8, the one end that needle shell 1 was kept away from to interface 8 is provided with extension pipe 9, and extension pipe 9 is close to the one end outside cover of interface 8 and has been put first flow stopping valve 10, the shunt tubes 11 is installed to the outside wall that extension pipe 9 is close to the one end of first flow stopping valve 10, and the second flow stopping valve 12 has been put to the outside wall cover of shunt tubes 11.
The utility model discloses a needle piercing depth is kept somewhere to shallow vein still can be when being connected with the transfusion system through mutually supporting of first only flow valve, shunt tubes and second only flow valve, and the inside air of needle is kept somewhere in the discharge, avoids the air admission blood vessel to cause harm to the people health.
Example 3
On the basis of embodiment 1 or 2, as shown in fig. 2, a three-way joint 13 is disposed at one end of the extension pipe 9 away from the joint 8, PC hoses 14 are disposed at two ends of the three-way joint 13, and a positive pressure joint 15 is mounted at one side of the PC hose 14 away from the three-way joint 13.
As shown in figure 1, one end of the outer side wall of the needle shell 1 close to the needle base 2 is provided with a sealing cover 6, one end of the sealing cover 6 is provided with a sealing column, and the sealing cover 6 can seal the needle shell 1 to avoid leakage of liquid medicine.
The utility model discloses a shallow vein detains needle piercing depth is provided with two sets of malleation and connects and the PC hose, has avoided the nurse to need make a round trip to dismantle and change the transfusion system, and the nurse personnel of being convenient for operate, have improved efficiency, have also avoided causing danger to patient's health when changing simultaneously.
In this implementation, the side opening has been seted up to needle point 5's lateral wall, be convenient for infuse, the one end that needle shell 1 outside jade is close to needle file 2 is provided with sealed lid 6, and the one end of sealed lid 6 is provided with sealed post, be convenient for seal needle shell 1, avoid infusing to expose from needle shell 1's one end, cause the pollution, needle tubing 4's diameter is greater than needle point 5's diameter, be convenient for needle point 5 gets into needle tubing 4's inside, extension pipe 9 is located the inside one side of needle shell with sleeve pipe 7 and is connected, the circulation of the infusion of being convenient for, department is provided with bonding sheet 21 in the middle of extension pipe 9's the outside jade, the nurse personnel of being convenient for fix extension pipe 9 and needle shell.
The working principle is as follows: the needle point 5 of the shallow vein indwelling needle is inserted into a vein, the needle wing 3 is held by a hand, the needle point 5 is pulled out, the first check valve 10 is closed to prevent blood from flowing back, then the limiting rod 18 is pressed by the hand, the second 19 spring is pressed by the limiting rod 18 to shrink inwards, then the first spring 17 arranged in the needle tube 4 starts to drive the needle point 5 to shrink towards the inside of the needle tube 4 due to no resistance of the limiting rod 18, so that the needle point 5 shrinks into the inside of the needle tube 4 to avoid the needle point 5 from stabbing nursing personnel, then the needle shell 1 and the sleeve 7 are fixed through the bonding sheet 21, then the needle shell 1 is sealed through the sealing cover 6 to avoid liquid medicine from flowing out of the needle shell 4 and then is connected with the infusion apparatus through the positive pressure connector 15, at the moment, the second check valve 12 on the shunt tube 11 can be opened to enable the infusion to flow out of the shunt tube 11 to carry out exhaust treatment, and reduce the harm to human body, when the air exhaust is completed, the second check valve 12 is closed, and the first dc switch 10 is opened to perform the fluid infusion.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a needle piercing depth is kept somewhere to shallow vein, includes needle shell (1), its characterized in that: a needle seat (2) is arranged on one side of the needle shell (1), needle wings (3) are arranged at two ends of the needle seat (2), a needle tube (4) is arranged on one side, close to the needle shell (1), of the needle seat (2), the needle tube (4) is located inside the needle shell (1), a needle point (5) is arranged on one side, away from the needle seat (2), inside the needle shell (1), of the needle seat (7) is arranged on one side, away from the needle seat (2), of the needle shell (1), the sleeve (7) is sleeved outside the needle point (5), a first spring (17) is arranged in the middle of one side of the needle seat (2), the first spring (17) is located inside the needle tube (4), one side, away from the needle seat (2), of the first spring (17) is connected with the needle point (5), a groove (20) is formed in the outer side, close to the first spring (17), and a second spring (19) is arranged inside the groove (20), the needle holder is characterized in that one end, far away from the inside of the groove (20), of the second spring (19) is provided with a limiting rod (18), the limiting rod (18) extends out of the needle tube (4), two ends, close to one side of the needle seat (2), of the needle tube (4) are provided with hole grooves (16), one side, far away from the top of the needle seat (2), of the needle shell (1) is provided with an interface (8), one end, far away from the needle shell (1), of the interface (8) is provided with an extension tube (9), one end, close to the interface (8), of the extension tube (9) is sleeved with a first flow stopping valve (10), the outer side wall, close to one end of the first flow stopping valve (10), of the extension tube (9) is provided with a shunt tube (11), the outer side wall of the shunt tube (11) is sleeved with a second flow stopping valve (12), one end, far away from the interface (8), of the extension tube (9) is provided with a three, and a positive pressure joint (15) is arranged on one side of the PC hose (14) far away from the three-way joint (13).
2. The shallow vein indwelling needle puncture device according to claim 1, wherein: the outer side wall of the needle point (5) is provided with a side hole.
3. The shallow vein indwelling needle puncture device according to claim 1, wherein: one end of the outer side wall of the needle shell (1) close to the needle seat (2) is provided with a sealing cover (6), and one end of the sealing cover (6) is provided with a sealing column.
4. The shallow vein indwelling needle puncture device according to claim 1, wherein: the diameter of the needle tube (4) is larger than that of the needle tip (5).
5. The shallow vein indwelling needle puncture device according to claim 1, wherein: the extension tube (9) is connected with one side of the sleeve (7) positioned in the needle shell.
6. The shallow vein indwelling needle puncture device according to claim 1, wherein: the middle of the outer side wall of the extension pipe (9) is provided with a bonding sheet (21).
CN201920968539.4U 2019-06-26 2019-06-26 Shallow vein detaining needle puncture device Expired - Fee Related CN211024516U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920968539.4U CN211024516U (en) 2019-06-26 2019-06-26 Shallow vein detaining needle puncture device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920968539.4U CN211024516U (en) 2019-06-26 2019-06-26 Shallow vein detaining needle puncture device

Publications (1)

Publication Number Publication Date
CN211024516U true CN211024516U (en) 2020-07-17

Family

ID=71559971

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920968539.4U Expired - Fee Related CN211024516U (en) 2019-06-26 2019-06-26 Shallow vein detaining needle puncture device

Country Status (1)

Country Link
CN (1) CN211024516U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200717

Termination date: 20210626

CF01 Termination of patent right due to non-payment of annual fee