CN211749650U - Adjustable artery blood taking needle - Google Patents
Adjustable artery blood taking needle Download PDFInfo
- Publication number
- CN211749650U CN211749650U CN201922466288.2U CN201922466288U CN211749650U CN 211749650 U CN211749650 U CN 211749650U CN 201922466288 U CN201922466288 U CN 201922466288U CN 211749650 U CN211749650 U CN 211749650U
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- China
- Prior art keywords
- sleeve
- blood collection
- arterial blood
- adjustable
- needle according
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Abstract
The utility model discloses a regulation formula artery blood taking needle, which comprises a sleeve, the piston pull rod, the adapter sleeve, drainage mechanism, shelter from the mechanism, sliding mechanism, stop gear, this regulation formula artery blood taking needle, at first medical personnel use through the cooperation to sliding mechanism and stop gear, with this state that will shelter from the mechanism and block drainage mechanism is eliminated, medical personnel reuse the device and carry out the blood sampling for the patient and handle, the blood sampling finishes the back, medical personnel are again through the use to sliding mechanism, reset with this with sliding mechanism together with sheltering from the mechanism, be about to shelter from the mechanism and block drainage mechanism, its purpose is in the sleeve is gone into in order to prevent that external gas when sealed lid that medical personnel will be among the prior art covers the adapter sleeve, the detection effect of blood in the sleeve has been ensured.
Description
Technical Field
The utility model relates to a blood taking needle especially relates to regulation formula artery blood taking needle.
Background
In clinical work, after medical personnel finishes using the blood taking needle to take blood, medical personnel earlier separated syringe needle and blood sampling cover, covered the blood sampling cover with the sealed lid among the prior art again, at the in-process that sealed lid covered the blood sampling cover, in the blood sampling cover can be arranged into to external gas, at this moment, the blood in external gas and the blood sampling cover contacted, and then influenced the detection effect of blood in the blood sampling cover, in view of above defect, need design regulation formula artery blood taking needle in fact.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: an adjustable arterial blood taking needle is provided to solve the problems of the prior art.
In order to solve the technical problem, the technical scheme of the utility model is that: regulation formula artery blood taking needle, including sleeve, piston pull rod, adapter sleeve, drainage mechanism, shelter from mechanism, slide mechanism, stop gear, the inside slip of sleeve run through and have the piston pull rod, the fixed cover in the outside left side of sleeve be equipped with the adapter sleeve, the inside left side of sleeve the drainage mechanism has set firmly, the inside left side of sleeve slip be equipped with and shelter from the mechanism, shelter from the mechanism outer wall about both ends set firmly slide mechanism, slide mechanism slide and run through in the adapter sleeve, slide mechanism inside screw thread run through and have stop gear.
Furthermore, the liquid discharge mechanism consists of a mounting plate and a liquid discharge hole.
Furthermore, the left side in the connecting sleeve is fixedly provided with a mounting plate, and the upper end and the lower end in the mounting plate are integrally provided with a liquid discharge hole.
Further, shelter from the mechanism and constitute by baffle, hole and sliding sleeve of stepping down, the inside left side of adapter sleeve slide and be equipped with the baffle.
Further, baffle inside around both ends an organic whole be equipped with the hole of stepping down, the baffle left side set firmly the sliding sleeve.
Furthermore, the sliding mechanism consists of an installation rod and a spring.
Furthermore, the upper end and the lower end of the left side of the outer wall of the sliding sleeve are fixedly provided with an installation rod, the inner side of the installation rod is fixedly provided with a spring, and the spring is fixedly connected with the connecting sleeve.
Furthermore, the limiting mechanism consists of a threaded pin and a positioning hole.
Furthermore, the screw pin penetrates through the internal thread of the mounting rod, and positioning holes are integrally formed in the upper end and the lower end of the right side in the connecting sleeve.
Compared with the prior art, this regulation formula artery blood taking needle, at first medical personnel use through the cooperation to sliding mechanism and stop gear, with this state that will shelter from the mechanism and block drainage mechanism is eliminated, medical personnel reuse the device and carry out the blood sampling for the patient and handle, the back that finishes in the blood sampling, medical personnel are again through the use to sliding mechanism, reset with this sliding mechanism together with sheltering from the mechanism, be about to shelter from the mechanism and block drainage mechanism, its purpose is in the sleeve is arranged to external gas when preventing medical personnel from covering the adapter sleeve with the sealed lid among the prior art, the detection effect of blood in the sleeve has been ensured.
Drawings
FIG. 1 is a front cross-sectional view of an adjustable arterial blood collection needle;
fig. 2 is an internal sectional view of the connection sleeve;
fig. 3 is a left side view of the slide mechanism.
The device comprises a sleeve 1, a piston pull rod 2, a connecting sleeve 3, a liquid drainage mechanism 4, a shielding mechanism 5, a sliding mechanism 6, a limiting mechanism 7, a mounting plate 8, a liquid drainage hole 9, a baffle plate 10, a yielding hole 11, a sliding sleeve 12, a mounting rod 13, a spring 14, a threaded pin 15 and a positioning hole 16.
The following detailed description will be further described in conjunction with the above-identified drawings.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.
Example 1
As shown in fig. 1 and 3, regulation formula artery blood taking needle includes sleeve 1, piston pull rod 2, adapter sleeve 3, drainage mechanism 4, shelters from mechanism 5, slide mechanism 6, stop gear 7, 1 inside slip of sleeve run through piston pull rod 2, the fixed cover in 1 outside left side of sleeve be equipped with adapter sleeve 3, 1 inside left side of sleeve set firmly drainage mechanism 4, 1 inside left side of sleeve slide and be equipped with and shelter from mechanism 5, shelter from 5 outer walls of mechanism about both ends set firmly slide mechanism 6, slide mechanism 6 slide and run through in adapter sleeve 3, 6 internal thread of slide mechanism run through and have stop gear 7.
In the adjustable artery blood taking needle, a medical worker firstly sleeves the left side of a connecting sleeve 3 with a needle head in the prior art, then pushes a sliding mechanism 6 with a hand, so that a liquid discharge mechanism 4 and a shielding mechanism 5 are in a non-contact state through the operation mode, the medical worker fixes the non-contact state of the liquid discharge mechanism 4 and the shielding mechanism 5 through the use of a limiting mechanism 7, then punctures the needle head into a blood sampling part of a patient, pulls a piston pull rod 2 with the hand, namely, blood in the patient is discharged into a sleeve 1 through the needle head, the shielding mechanism 3 and the liquid discharge mechanism 4 through the connecting sleeve 3 and the liquid discharge mechanism 4, after blood sampling is finished, the medical worker reuses the sliding mechanism 6 to contact the shielding mechanism 5 with the liquid discharge mechanism 4, then separates the needle head with the needle head from the connecting sleeve 3, at the moment, the liquid discharge mechanism 4 is blocked due to the shielding mechanism 5, that is, the external air is not discharged into the sleeve 1, and the medical staff covers the sealing cover in the prior art on the left end of the connecting sleeve 3.
Example 2
As shown in fig. 1, 2 and 3, the adjustable artery blood taking needle comprises a sleeve 1, a piston pull rod 2, a connecting sleeve 3, a liquid discharge mechanism 4, a shielding mechanism 5, a sliding mechanism 6 and a limiting mechanism 7, wherein the piston pull rod 2 penetrates through the sleeve 1 in a sliding manner, the connecting sleeve 3 is fixedly sleeved on the left side of the outside of the sleeve 1, the liquid discharge mechanism 4 is fixedly arranged on the left side of the inside of the sleeve 1, the shielding mechanism 5 is arranged on the left side of the inside of the sleeve 1 in a sliding manner, the sliding mechanism 6 is fixedly arranged at the upper end and the lower end of the outer wall of the shielding mechanism 5, the sliding mechanism 6 penetrates through the connecting sleeve 3 in a sliding manner, the limiting mechanism 7 penetrates through the inner thread of the sliding mechanism 6, the liquid discharge mechanism 4 consists of a mounting plate 8 and a liquid discharge hole 9, the mounting plate 8 is fixedly arranged on the left side of the inside of the connecting, shelter from mechanism 5 by baffle 10, the hole 11 of stepping down and sliding sleeve 12 are constituteed, the inside left side of adapter sleeve 3 slide and be equipped with baffle 10, baffle 10 inside around both ends an organic whole be equipped with the hole 11 of stepping down, baffle 10 left side sliding sleeve 12 has set firmly, slide mechanism 6 constitute by installation pole 13 and spring 14, sliding sleeve 12 outer wall left side about both ends set firmly installation pole 13, installation pole 13 inboard set firmly spring 14, spring 14 and 3 fixed connection of adapter sleeve, stop gear 7 constitute by spiral shell 15 and locating hole 16, installation pole 13 inside screw thread run through have spiral shell 15, 3 inside right sides of adapter sleeve about both ends an organic whole be equipped with locating hole 16.
In the adjustable arterial blood taking needle, a medical worker firstly sleeves the left side of a connecting sleeve 3 with a needle head in the prior art, so that the needle head is tightly matched and connected with the connecting sleeve 3, the medical worker further pushes mounting rods 13 at the upper end and the lower end of the connecting sleeve 3 with fingers, so that the mounting rods 13 drive a sliding sleeve 12 and a baffle 10 to move from right to left along the direction of the connecting sleeve 3, through the operation mode, a mounting plate 8 and the baffle 10 are in a non-contact state, synchronously, a spring 14 deforms until a screw pin 15 is superposed with a positioning hole 16, the medical worker further screws the screw pin 15 into the positioning hole 16 with hands, at the moment, the non-contact state of the mounting plate 8 and the baffle 10 is fixed, the medical worker further punctures the needle head into a blood sampling part of a patient, then pulls a piston pull rod 2 with hands, namely, blood in the patient is discharged into a sleeve 1 from the needle head through the connecting sleeve 3 through a abdicating hole, after the blood sampling finishes, medical personnel again with hand anticlockwise rotation swizzle 15, break away from locating hole 16 with swizzle 15 with this, through the effect of spring 14 resilience force, use installation pole 13 to drive sliding sleeve 12 and restore to the throne with baffle 10, be about to baffle 10 and mounting panel 8 contact, medical personnel will have the syringe needle and the separation of adapter sleeve 3 of needle file again, at this moment, shelter from the outage 9 of mounting panel 8 department because of baffle 10, the air in the external world can not discharge into sleeve 1 promptly, medical personnel covers the left end of adapter sleeve 3 with sealed lid among the prior art again, with this carry out the tight fit with sealed lid and adapter sleeve 3 and be connected, medical personnel move the device to the specified region again and carry out detection work for the blood in the sleeve can, mounting panel 8 be the rubber material.
Claims (9)
1. Regulation formula artery blood taking needle, its characterized in that includes sleeve, piston pull rod, adapter sleeve, flowing back mechanism, shelters from mechanism, slide mechanism, stop gear, the inside slip of sleeve run through and have had the piston pull rod, the fixed cover in the outside left side of sleeve be equipped with the adapter sleeve, the inside left side of sleeve the flowing back mechanism has set firmly, the inside left side of sleeve slip be equipped with and shelter from the mechanism, shelter from the mechanism outer wall both ends from top to bottom and set firmly slide mechanism, slide mechanism slide and run through in the adapter sleeve, slide mechanism internal thread run through and have stop gear.
2. A regulated arterial blood collection needle according to claim 1 characterised in that the drainage means is comprised of a mounting plate and a drainage aperture.
3. The adjustable arterial blood collection needle according to claim 2, wherein a mounting plate is fixedly arranged at the left side inside the connecting sleeve, and a liquid discharge hole is integrally formed at the upper end and the lower end inside the mounting plate.
4. The adjustable arterial blood collection needle according to claim 1, wherein the shielding mechanism is composed of a baffle plate, a yielding hole and a sliding sleeve, and the baffle plate is arranged on the left side inside the connecting sleeve in a sliding mode.
5. The adjustable arterial blood collection needle according to claim 4, wherein the baffle is provided with abdicating holes at the front and rear ends, and a sliding sleeve is fixedly arranged at the left side of the baffle.
6. A regulated arterial blood collection needle according to claim 1 characterised in that the sliding mechanism is comprised of a mounting rod and a spring.
7. The adjustable arterial blood collection needle according to claim 5, wherein mounting rods are fixedly arranged at the upper end and the lower end of the left side of the outer wall of the sliding sleeve, springs are fixedly arranged on the inner sides of the mounting rods, and the springs are fixedly connected with the connecting sleeves.
8. The adjustable arterial blood collection needle according to claim 1, wherein the limiting mechanism is comprised of a threaded pin and a locating hole.
9. The adjustable arterial blood collection needle according to claim 7, wherein a screw pin penetrates through the inner thread of the mounting rod, and positioning holes are integrally formed at the upper end and the lower end of the right side inside the connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922466288.2U CN211749650U (en) | 2019-12-31 | 2019-12-31 | Adjustable artery blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922466288.2U CN211749650U (en) | 2019-12-31 | 2019-12-31 | Adjustable artery blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211749650U true CN211749650U (en) | 2020-10-27 |
Family
ID=72891130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922466288.2U Expired - Fee Related CN211749650U (en) | 2019-12-31 | 2019-12-31 | Adjustable artery blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211749650U (en) |
-
2019
- 2019-12-31 CN CN201922466288.2U patent/CN211749650U/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: 20201027 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |