CN210095744U - Venous blood sampling device - Google Patents
Venous blood sampling device Download PDFInfo
- Publication number
- CN210095744U CN210095744U CN201821822850.XU CN201821822850U CN210095744U CN 210095744 U CN210095744 U CN 210095744U CN 201821822850 U CN201821822850 U CN 201821822850U CN 210095744 U CN210095744 U CN 210095744U
- Authority
- CN
- China
- Prior art keywords
- needle
- blood
- blood sampling
- tube
- needle holder
- 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.)
- Active
Links
Images
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model relates to the technical field of medical equipment, and discloses a venous blood sampling device, which comprises a blood sampling component, a needle holder and a blood transfusion tube, wherein the blood transfusion tube is connected between the blood sampling component and the needle holder; meanwhile, when medical personnel take blood, the needle holder is held by hands, the rubber sleeve puncture needle is inserted into the test tube to take blood, blood exposure and needle stick injury are effectively avoided, the stress area of the needle holder can be increased, the strain of hand muscles of the medical personnel is reduced, the blood taking efficiency is further improved, and better doctor-patient experience is guaranteed.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially relate to a blood sampling device.
Background
The blood sampling device is mainly used for collecting venous blood samples of patients and providing clinical diagnosis and treatment basis for doctors through blood sample analysis.
In clinical work, the occurrence of needle stick injuries related to blood sampling is random and uncontrollable, and nursing staff are high-risk groups with needle stick injuries. Common needle stick injuries include injuries to operators or others with a needle after use or infections with improper handling of the injection device after use; furthermore, general blood sampling device all is direct to connect the gum cover pjncture needle on blood transfusion tube, medical personnel need exert oneself to pierce the test tube with the gum cover pjncture needle and take a blood sample, and test tube bottle lid area is less, the operator stab risk and blood exposure have been increased in this operation link, and simultaneously, the handheld position volume of gum cover pjncture needle is less, it is difficult to snatch on the one hand, cause the unable smooth connection to in the test tube of gum cover pjncture needle easily, on the other hand, during the long-time blood sampling operation of medical personnel, the hand is exerted oneself great, cause the muscle strain easily, make blood sampling efficiency reduce, doctor-patient experience also is.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a blood sampling device can avoid the needle stick to hinder harm, can also reduce medical personnel's hand muscle strain, improves blood sampling efficiency.
In order to solve the problems, the utility model provides a vein blood sampling device, including blood sampling subassembly, needle holder and blood transfusion pipe, the first end of blood transfusion pipe with the blood sampling subassembly is connected, the blood sampling subassembly includes needle tubing, first needle file and blood sampling pjncture needle, the blood sampling pjncture needle pass through the connecting pipe with the first needle file is connected, the connecting pipe is located in the needle tubing and can follow the needle tubing and move towards the first needle file direction, be equipped with the limit structure that the restriction connecting pipe moved towards the blood sampling pjncture needle direction in the needle tubing;
the second end of blood transfusion pipe is equipped with the second needle file, be equipped with the gum cover pjncture needle on the second needle file, the second needle file is connected the upper end of needle holder just the gum cover pjncture needle is located in the needle holder.
Further, the needle holder is of a cylindrical sleeve structure, and the size of the needle holder is larger than that of the second needle seat.
Further, the needle holder is detachably connected with the second needle seat.
Furthermore, a threaded hole is formed in the upper end of the needle holder, and an external thread matched with the threaded hole is formed in the second needle base.
Furthermore, a connector is arranged at the second end of the blood transfusion tube, and an insertion part which can be inserted into the connector is arranged on the second needle seat.
Furthermore, the tail end of the needle tube is provided with a connecting part, the connecting part is provided with a clamping groove, the first needle seat is provided with a buckle clamped with the clamping groove, the buckle of the first needle seat is buckled in the clamping groove of the needle tube, and the blood sampling puncture needle is exposed outside the needle tube.
Furthermore, limit structure is including setting up the annular groove of connecting pipe front end and setting are in elasticity card strip on the connecting portion.
Furthermore, the needle tube is provided with an anti-slip wing panel.
Furthermore, a needle sleeve is arranged at the front end of the needle tube.
The utility model provides a vein blood sampling device, including the blood sampling subassembly, needle holder and blood transfusion pipe, blood transfusion pipe connects between blood sampling subassembly and needle holder, the blood sampling subassembly includes the needle tubing, first needle file and blood sampling pjncture needle, the blood sampling pjncture needle passes through the connecting pipe and is connected with first needle file, the connecting pipe is located the needle tubing, before using, the blood sampling pjncture needle shows outside the needle tubing, medical personnel use blood sampling pjncture needle puncture patient's vein to take a blood sample, after the blood sampling finishes, promote first needle file to retract, drive connecting pipe and blood sampling pjncture needle and move towards first needle file and make the blood sampling pjncture needle retract to the needle tubing in, after the blood sampling pjncture needle retracts to the needle tubing, through spacing of limit structure, guarantee that the blood sampling p; simultaneously, the gum cover pjncture needle passes through the second needle file and connects in the needle holder, and in order to guarantee to take a blood sample smoothly, the size of needle holder is greater than the gum cover pjncture needle, and when medical personnel took a blood sample, handheld needle holder inserts the gum cover pjncture needle into the test tube and takes a blood sample, effectively avoids blood to expose and the acupuncture is hindered, and needle holder can increase lifting surface area moreover, reduces medical personnel's hand muscle strain, and then improves blood sampling efficiency, guarantees that better doctor experiences.
Drawings
FIG. 1 is a schematic structural view of a venous blood sampling device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the venous blood sampling device after retraction of the blood sampling puncture needle in the embodiment of the present invention;
fig. 3 is a partially enlarged schematic view at a in fig. 2.
In the figure, 1, a blood collection assembly; 2. a needle holder; 3. a blood transfusion tube; 4. a second needle seat; 5. a rubber sleeve puncture needle; 6. a connector; 7. an anti-slip flap; 8. a needle cannula; 11. a needle tube; 12. a first needle seat; 13. a blood sampling puncture needle; 14. a connecting pipe; 111. a connecting portion; 121. and (5) buckling.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 3, a venous blood sampling device according to an embodiment of the present invention is schematically shown, including a blood sampling assembly 1, a needle holder 2 and a blood transfusion tube 3, a first end of the blood transfusion tube 3 is connected to the blood sampling assembly 1, the blood sampling assembly 1 includes a needle tube 11, a first needle holder 12 and a blood sampling puncture needle 13, the blood sampling puncture needle 13 is connected to the first needle holder 12 through a connection tube 14, the connection tube 14 is located in the needle tube 11 and can move toward the first needle holder 12 along the needle tube 11, a limit structure for limiting the movement of the connection tube 14 toward the blood sampling puncture needle 13 is provided in the needle tube 11, that is, the connection tube 14 and the blood sampling puncture needle 13 on the connection tube 14 can only retract into the needle tube 11 toward the first needle holder 12 along the needle tube 11 and cannot move backward along the needle tube 11, the blood sampling puncture needle 13 is covered by the, the second end of the blood transfusion tube 3 is provided with a second needle seat 4, the second needle seat 4 is provided with a rubber sleeve puncture needle 5, the second needle seat 4 is connected with the upper end of the needle holder 2, and the rubber sleeve puncture needle 5 is positioned in the needle holder 2.
Specifically, before the venous blood collection device provided by this embodiment is used, the blood collection puncture needle 13 is exposed outside the needle tube 11, a medical worker collects blood from the vein of a patient punctured by the blood collection puncture needle 13, after the blood collection is finished, the first needle holder 12 is pushed to retract, the connecting tube 14 and the blood collection puncture needle 13 are driven to move towards the first needle holder 12, so that the blood collection puncture needle 13 retracts into the needle tube 11, after the blood collection puncture needle 13 retracts into the needle tube 11, the blood collection puncture needle 13 is limited by the limiting structure, the blood collection puncture needle 13 is ensured not to slide out of the needle tube 11, and the harm of needle stick injury after; simultaneously, gum cover pjncture needle 5 passes through second needle file 4 and connects in needle holder 2, for guaranteeing smooth blood sampling, the size of needle holder 2 is far greater than gum cover pjncture needle 5, preferably, it is the cylinder sleeve structure to set up needle holder 2, and the size of needle holder 2 is greater than the size of second needle file 4 far away, when medical personnel took a blood sample, hand needle holder 2, insert the test tube with gum cover pjncture needle 5 and take a blood sample, can effectively avoid blood to expose and the acupuncture wound, and needle holder 2 can increase lifting surface area, reduce medical personnel's hand muscle strain, and then improve blood sampling efficiency, guarantee that better doctor experiences.
Further, the needle holder 2 is detachably connected with the second needle base 4, so that the replaceability of the needle holder 2 is guaranteed, a small amount of blood splashes to the inner wall of the needle holder 2 due to the fact that a test tube or a culture bottle containing the blood is plugged and pulled out, after the blood sampling times reach a certain amount, a certain amount of blood is attached to the inner wall of the needle holder 2, and a new needle holder 2 needs to be replaced to reduce blood exposure. Preferably, the upper end of the needle holder 2 is provided with a threaded hole, the second needle base 4 is provided with an external thread matched with the threaded hole, the second needle base 4 and the needle holder 2 can be detachably connected by screwing the external thread of the second needle base 4 into the threaded hole of the needle holder 2, the operation is simple and convenient, and it needs to be explained that in this embodiment, the second needle base 4 and the needle holder 2 can also be detachably connected by adopting a plugging or clamping manner, and no specific limitation is made here.
Furthermore, a connector 6 is arranged at the second end of the blood transfusion tube 3, an insertion part which can be inserted into the connector 6 is arranged on the second needle seat 4, the second needle seat 4 is inserted into the second end of the blood transfusion tube 3 through the connector 6, and therefore the replacement of the rubber sleeve puncture needle 5 on the second needle seat 4 is ensured.
In this embodiment, a connecting portion 111 is disposed at the tail end of the needle tube 11, a slot is disposed on the connecting portion 111, a buckle 121 engaged with the slot is disposed on the first needle holder 12, when the buckle 121 of the first needle holder 12 is engaged with the slot of the needle tube 11, the blood collection puncture needle 13 is exposed outside the needle tube 11, before use, the first needle holder 12 and the needle tube 11 are engaged with each other by the slot buckle 121, at this time, the blood collection puncture needle 13 is exposed outside the needle tube 11 to facilitate blood collection through a puncture vein, after blood collection is completed, the buckle 121 on the first needle holder 12 is pressed to unlock the first needle holder 12 and the needle tube 11, the first needle holder 12 is pushed to retract the blood collection puncture needle 13 into the needle tube 11, and is locked by a limiting structure to prevent needle stick injury caused by the blood collection puncture needle 13 moving out of the needle tube 11, generally, the buckle 121 is made of, the blood sampling puncture needle 13 can automatically retract into the needle tube 11, and the blood sampling efficiency is improved.
Further, the limiting structure comprises an annular groove arranged at the front end of the connecting pipe 14 and an elastic clamping strip arranged on the connecting part 111, when the blood sampling puncture needle 13 is completely retracted to the needle tube 11, the needle point of the blood sampling puncture needle 13 is located at the front end of the needle tube 11, the front end of the connecting pipe 14 is located at the rear end of the needle tube 11, and when the annular groove at the front end of the connecting pipe 14 is retracted to the elastic clamping strip of the needle tube 11, the annular groove is limited and clamped, so that the connecting pipe 14 is prevented from sliding in the needle tube 11.
In order to facilitate the medical staff to puncture the vein, the needle tube 11 is generally provided with two anti-skid fins 7, and the two anti-skid fins 7 are symmetrically arranged on two side edges of the needle tube 11. In the venous blood sampling device in the embodiment, when the venous blood sampling device is not used, the blood sampling puncture needle 13 is exposed outside the needle tube 11, in order to reduce the pollution of the blood sampling puncture needle 13, the front end of the needle tube 11 is provided with the needle sleeve 8, the needle tube 11 is movably inserted on the needle tube 11 and sleeved on the blood sampling puncture needle 13, and when the venous blood sampling device is used specifically, the needle tube 11 is removed from the needle tube 11 to expose the blood sampling puncture needle 13 for blood sampling operation.
To sum up, the utility model provides a blood sampling device, before the use, blood sampling pjncture needle 13 shows outside needle tubing 11, medical personnel take a blood sample with blood sampling pjncture needle 13 puncture patient's vein, after the blood sampling finishes, promote first needle holder 12 and retract, drive connecting pipe 14 and blood sampling pjncture needle 13 and move towards first needle holder 12 and make blood sampling pjncture needle 13 retract to the needle tubing 11 in, after blood sampling pjncture needle 13 retracts to the needle tubing 11 in, through spacing structure spacing, guarantee that blood sampling pjncture needle 13 can not follow the roll-off in needle tubing 11, effectively avoided the needle after finishing using to hinder harm; simultaneously, gum cover pjncture needle 5 passes through second needle file 4 and connects in needle holder 2, for guaranteeing smooth blood sampling, the size of needle holder 2 is far greater than gum cover pjncture needle 5, and when medical personnel took a blood sample, handheld needle holder 2 inserts the test tube with gum cover pjncture needle 5 and takes a blood sample, effectively avoids blood to expose and the acupuncture hinders, and needle holder 2 can increase lifting surface area moreover, reduces medical personnel's hand muscle strain, and then improves blood sampling efficiency, guarantees that better doctor experiences.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (5)
1. A vein blood sampling device is characterized by comprising a blood sampling assembly, a needle holder and a blood transfusion tube, wherein a first end of the blood transfusion tube is connected with the blood sampling assembly, the blood sampling assembly comprises a needle tube, a first needle seat and a blood sampling puncture needle, the blood sampling puncture needle is connected with the first needle seat through a connecting tube, the connecting tube is positioned in the needle tube and can move towards the first needle seat along the needle tube, and a limiting structure for limiting the connecting tube to move towards the blood sampling puncture needle is arranged in the needle tube;
the second end of blood transfusion pipe is equipped with the second needle file, be equipped with the gum cover pjncture needle on the second needle file, the second needle file is connected the upper end of needle holder just the gum cover pjncture needle is located in the needle holder.
2. The venous blood collection device of claim 1, wherein the needle holder is of cylindrical sleeve construction and is of a size larger than the second hub.
3. The intravenous blood collection device of claim 2, wherein the needle holder is removably coupled to the second hub.
4. The venous blood collection device of claim 3, wherein the upper end of the needle holder is provided with a threaded hole, and the second hub is provided with an external thread matching the threaded hole.
5. The venous blood collection device according to claim 2, wherein the second end of the blood transfusion tube is provided with a connector, and the second needle holder is provided with an insertion part which can be inserted into the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821822850.XU CN210095744U (en) | 2018-11-06 | 2018-11-06 | Venous blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821822850.XU CN210095744U (en) | 2018-11-06 | 2018-11-06 | Venous blood sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210095744U true CN210095744U (en) | 2020-02-21 |
Family
ID=69529702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821822850.XU Active CN210095744U (en) | 2018-11-06 | 2018-11-06 | Venous blood sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210095744U (en) |
-
2018
- 2018-11-06 CN CN201821822850.XU patent/CN210095744U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210095744U (en) | Venous blood sampling device | |
| CN110507878B (en) | Puncture positioning device for transfusion port | |
| CN202751647U (en) | Novel disposable and safe dual-purpose needle head device for transfusion and blood collection | |
| JPH09510135A (en) | Blood collection unit with protected needle and method for blood collection | |
| CN107789040B (en) | Safe medical trocar with limit structure | |
| CN209826744U (en) | Anti-needle-prick disposable blood taking needle | |
| CN211583180U (en) | Novel medical needle | |
| CN212037539U (en) | Safety protection cover suitable for single-wing blood taking needle | |
| CN220572197U (en) | Disposable arterial blood sampling device | |
| CN218684396U (en) | Safety blood taking needle | |
| CN215653079U (en) | Anti-drop prevents stabbing butterfly wing needle | |
| CN220236880U (en) | Safety blood taking needle | |
| CN211024563U (en) | Steel needle head protector | |
| CN215853146U (en) | Novel sharp weapon collector | |
| CN213220009U (en) | Auxiliary transfusion port needle pulling-out device | |
| CN221205439U (en) | Blood taking needle capable of preventing needle puncture | |
| CN219646436U (en) | Anti-drop anti-overflow safety syringe | |
| CN220632657U (en) | Blood sampling device | |
| CN214762637U (en) | Scalp steel needle with protection function | |
| CN215017526U (en) | Quick ejection type blood taking needle | |
| CN211383164U (en) | Safety transfusion system | |
| CN216963195U (en) | Prevent acupuncture not damaged needle | |
| CN213665289U (en) | Safety hemostix | |
| CN216496861U (en) | Improved syringe for preventing needle stick injury | |
| CN215017572U (en) | Blood taking needle for blood permeating chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |