CN220344413U

CN220344413U - Venous hemostix

Info

Publication number: CN220344413U
Application number: CN202321479915.6U
Authority: CN
Inventors: 程召地
Original assignee: Wuxi Peoples Hospital
Current assignee: Wuxi Peoples Hospital
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2024-01-16
Anticipated expiration: 2033-06-12

Abstract

The application discloses a venous hemostix, which relates to the technical field of clinical venous blood collection and comprises a blood conveying tube, a hard needle head, a blood taking needle, a vacuum blood taking tube and a closing assembly; the blood transfusion tube comprises a blood transfusion tube, wherein one end of the blood transfusion tube is fixedly communicated with a blood taking needle, the tail end of the blood transfusion tube is fixedly communicated with a hard needle, the hard needle is communicated with an inner cavity of the vacuum blood taking tube, and a closing assembly is arranged on the surface of the blood transfusion tube; the closing component comprises a fixing seat, a slot, a fixing block, an adjusting block, an inclined plane and a spring, wherein the fixing seat is sleeved on the surface of a blood transfusion tube, the slot is formed in the bottom side surface of the fixing seat, the fixing block penetrates through the side surface of the fixing seat in a sliding mode, the fixing seat is fixedly connected with the side surface of the fixing block, the spring is sleeved on the surface of the fixing block, and the inclined plane is formed in the tail end of the fixing block. The venous hemostix is novel in design and simple in structure, and nurses can not only liberate manual labor force, but also observe patients while drawing blood.

Description

Venous hemostix

Technical Field

The application relates to the technical field of clinical venous blood sampling, in particular to a venous blood collector.

Background

A venous blood sampling method, a method for drawing a certain amount of venous blood through a needle tube. Superficial veins on the body surface are often used, usually the elbow vein, dorsal hand vein, medial malleolus vein or femoral vein. The infant can collect blood from the external jugular vein. Different types of syringes can be selected according to the blood sampling amount, and corresponding needles are provided. In some special examinations, to avoid platelet activation, plastic syringes and siliconized or plastic test tubes are used.

At present, a disposable intravenous hemostix (needle) is used for intravenous blood collection in most clinic, and blood collection is an indispensable medical work in clinical laboratory or ward. After the disposable intravenous blood taking needle is successfully punctured, a nurse is required to stab the other end of the blood taking device into the vacuum blood taking tube, the blood taking device and the blood taking tube are fixed by hands all the time, otherwise, once the hands are loosened, the blood taking device can rebound rapidly due to the pressure in the vacuum blood taking tube, the blood taking device and the blood taking tube are separated, and blood stops flowing out. Accordingly, an intravenous hemostix is proposed in view of the above-described problems.

Disclosure of Invention

In this embodiment, a venous hemostix is provided to solve and is clinically used disposable venous hemostix (needle) to carry out the vein blood sampling at present mostly, no matter in clinical laboratory or ward, blood sampling is indispensable medical treatment work, after disposable venous hemostix puncture successfully, need nurse to stab the hemostix other end into vacuum heparin tube to fix hemostix and heparin tube with the hand always hard, otherwise in case loosen the hand, because vacuum heparin tube internal pressure, will make the hemostix kick-back fast, lead to the separation of hemostix and heparin tube, the problem that blood just stops flowing.

According to one aspect of the present application, there is provided an intravenous blood collection set comprising a blood delivery tube, a rigid needle, a blood collection needle, a vacuum blood collection tube, and a closure assembly; the blood transfusion tube comprises a blood transfusion tube, wherein one end of the blood transfusion tube is fixedly communicated with a blood taking needle, the tail end of the blood transfusion tube is fixedly communicated with a hard needle, the hard needle is communicated with an inner cavity of the vacuum blood taking tube, and a closing assembly is arranged on the surface of the blood transfusion tube;

the closing component comprises a fixing seat, a slot, a fixing block, an adjusting block, an inclined plane and a spring, wherein the fixing seat is sleeved on the surface of a blood transfusion tube, the slot is formed in the bottom side surface of the fixing seat, the fixing block penetrates through the side surface of the fixing seat in a sliding mode, the fixing seat is fixedly connected with the side surface of the fixing block, the spring is sleeved on the surface of the fixing block, and the inclined plane is formed in the tail end of the fixing block.

Further, the top end of the vacuum blood collection tube is connected with a sealing plug in a sealing way, and the top end of the sealing plug is fixedly connected with the inner wall of the tube cover sleeved at the top end of the vacuum blood collection tube.

Further, inclined planes are formed at the opposite ends of the fixed block.

Further, the sealing plate is fixedly sleeved at the communication part of the hard needle head and the blood transfusion tube, and the bottom surface of the sealing plate is attached to the top end of the tube cover.

Further, the bottom end of the hard needle penetrates through the top side of the tube cover and the surface of the sealing plug in sequence, and the hard needle is communicated with the vacuum blood collection tube.

Further, the number of the adjusting blocks is two, and the two adjusting blocks are symmetrically distributed about the fixed seat.

Further, the slot formed in the bottom surface of the fixing seat is sleeved with the surface of the pipe cover.

Further, fixing holes are formed in the surfaces of two opposite sides of the pipe cover, and the fixing holes are clamped with the tail ends of the fixing blocks.

Further, the surface of one side of the adjusting block is fixedly connected with one end of the spring, and the other end of the spring is fixedly connected with the surface of the side of the fixing seat.

Further, the top of the slot is communicated with a limiting hole formed in the fixing seat, and the limiting hole is clamped with the sealing plate.

Through this application above-mentioned embodiment, adopted the closure subassembly, solved and clinically used disposable venous hemostix (needle) to carry out the vein blood sampling at present most, no matter in clinical laboratory or ward, blood sampling is essential medical treatment. After the disposable intravenous blood taking needle is successfully punctured, a nurse is required to stab the other end of the blood taking device into the vacuum blood taking tube, the blood taking device and the blood taking tube are fixed by hands all the time, otherwise, once the hands are loosened, the blood taking device can rebound rapidly due to the pressure in the vacuum blood taking tube, the blood taking device and the blood taking tube are separated, and the blood stops flowing out.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is an overall front cross-sectional schematic view of an embodiment of the present application;

fig. 3 is an enlarged schematic view of a portion of fig. 2 a as a whole, according to an embodiment of the present application.

In the figure: 1. a blood transfusion tube; 2. a sealing plate; 3. a rigid needle; 4. a tube cover; 401. a fixing hole; 5. a fixed block; 501. an inclined plane; 6. a vacuum blood collection tube; 7. a sealing plug; 8. a blood taking needle; 9. a fixing seat; 901. a limiting hole; 10. a slot; 11. a spring; 12. an adjusting block; 13. a needle sleeve.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

The hemostix according to the embodiment of the present application will be described below.

Referring to fig. 1-3, an intravenous blood collector comprises a blood delivery tube 1, a hard needle, a blood taking needle 8, a vacuum blood taking tube 6 and a closing component; one end of the blood transfusion tube 1 is fixedly communicated with a blood taking needle 8, the tail end of the blood transfusion tube 1 is fixedly communicated with a hard needle, the hard needle is communicated with the inner cavity of the vacuum blood taking tube 6, and the surface of the blood transfusion tube 1 is provided with a closing component;

the closing component comprises a fixed seat 9, a slot 10, a fixed block 5, an adjusting block 12, an inclined plane 501 and a spring 11, wherein the fixed seat 9 is sleeved on the surface of a blood transfusion tube 1, the slot 10 is formed in the bottom surface of the fixed seat 9, the fixed block 5 is slidably penetrated through the side surface of the fixed seat 9, the fixed seat 9 is fixedly connected with the side surface of the fixed block 5, the spring 11 is sleeved on the surface of the fixed block 5, the inclined plane 501 is formed in the tail end of the fixed block 5, the fixed seat 9 moves downwards, the slot 10 formed in the bottom of the fixed seat 9 is sleeved on the top end of the tube cover 4, in the adjustment, the inclined plane 501 formed in one end of the fixed block 5 is attached to the tube cover 4, the spring 11 stretches out and draws back, then after the fixed block 5 is clamped with a fixed hole 401, the clamping of the fixed block 5 is improved under the action of the spring 11, a hand blood collection tube is loosened, a nurse can not only free from manual labor force, but also can observe a patient while drawing blood, for example, when the blood collection tube volume is not full, the blood collection tube is suddenly separated, the needle is again, the pressure is stamped, the pressure 6 is fully flows out, the blood collection tube is not required to be replaced by a nurse, and the blood collection tube is not required to be replaced by the blood collection tube, and the blood collection tube is required to be replaced. On the other hand, after fixing the blood collection tube, the nurse can release manual fixing, so that the nurse can conveniently talk with a patient.

The sealing plug 7 is connected to the top end of the vacuum blood collection tube 6 in a sealing manner, the top end of the sealing plug 7 is fixedly connected with the inner wall of the tube cover 4 sleeved on the top end of the vacuum blood collection tube 6, the top end of the vacuum blood collection tube 6 is conveniently sealed, inclined planes 501 are formed in the opposite ends of the fixing block 5, the sealing plate 2 is fixedly sleeved at the communicating position of the hard needle and the blood delivery tube 1, the bottom side surface of the sealing plate 2 is attached to the top end of the tube cover 4, sealing operation is convenient, the bottom end of the hard needle sequentially penetrates through the top side of the tube cover 4 and the surface of the sealing plug 7, the hard needle is communicated with the vacuum blood collection tube 6, hard needle insertion is convenient, the number of the adjusting blocks 12 is two, the adjusting blocks 12 are symmetrically distributed about the fixing base 9, a slot 10 formed in the bottom side surface of the fixing base 9 is sleeved on the surface of the tube cover 4, fixing holes 401 are formed in the opposite side surfaces of the fixing base 4, the fixing holes 401 are clamped with the tail ends of the fixing block 5, one side surface of the adjusting block 12 is fixedly connected with one end of the spring 11, the other end of the fixing base 11 is fixedly connected with the side surface of the fixing base 9, the top 10 is fixedly connected with the side surface of the fixing base 9, the fixing base is convenient to form the fixing base 2, and the fixing base is conveniently clamped with the fixing base 2.

When the utility model is used, the inclined plane 501 formed at one end of the fixed block 5 is attached to the tube cover 4, the spring 11 stretches, then after the fixed block 5 is clamped with the fixed hole 401, the clamping stability of the fixed block 5 is improved under the action of the spring 11, the hand blood collection tube can be fixed after the hand blood collection tube is loosened, a nurse can free the hand labor force, and can observe a patient while drawing blood, the separation of the blood collector and the blood collection tube can be prevented, for example, when the blood collection tube is not full, the needle is suddenly separated, the needle is poked in again, at the moment, the pressure in the vacuum blood collection tube 6 is insufficient, the blood is not discharged, and a new blood collection tube needs to be replaced, so that the blood of the patient and the blood collection tube need to be wasted, the nurse needs to re-distribute tube information, and the workload is increased. On the other hand, after fixing the blood collection tube, the nurse can release manual fixing, so that the nurse can conveniently talk with a patient.

The related circuits, electronic components and modules are all in the prior art, and can be completely implemented by those skilled in the art, and needless to say, the protection of the present application does not relate to improvements of software and methods.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The venous hemostix is characterized by comprising a blood conveying tube (1), a hard needle head (3), a blood taking needle (8), a vacuum blood taking tube (6) and a closing component; blood transfusion tube (1) one end fixedly communicates with blood taking needle (8), blood transfusion tube (1) end fixedly communicates with stereoplasm syringe needle (3), stereoplasm syringe needle (3) and vacuum blood taking tube (6) inner chamber intercommunication, blood transfusion tube (1) surface is provided with closed assembly;

the closing component comprises a fixing seat (9), a slot (10), a fixing block (5), an adjusting block (12), an inclined plane (501) and a spring (11), wherein the fixing seat (9) is sleeved on the surface of a blood transfusion tube (1), the slot (10) is formed in the bottom side surface of the fixing seat (9), the fixing block (5) is penetrated through the side surface of the fixing seat (9) in a sliding manner, the fixing seat (9) is fixedly connected with the side surface of the fixing block (5), the spring (11) is sleeved on the surface of the fixing block (5), and the inclined plane (501) is formed in the tail end of the fixing block (5).

2. An intravenous blood collection device according to claim 1 wherein: the top end of the vacuum blood collection tube (6) is connected with a sealing plug (7) in a sealing way, and the top end of the sealing plug (7) is fixedly connected with the inner wall of a tube cover (4) sleeved at the top end of the vacuum blood collection tube (6).

3. An intravenous blood collection device according to claim 2 wherein: inclined planes (501) are formed at opposite ends of the fixed block (5).

4. An intravenous blood collection device according to claim 1 wherein: the hard needle (3) is fixedly sleeved with the sealing plate (2) at the communication part of the blood transfusion tube (1), and the bottom side surface of the sealing plate (2) is attached to the top end of the tube cover (4).

5. An intravenous blood collection device according to claim 1 wherein: the bottom end of the hard needle head (3) sequentially penetrates through the top side of the tube cover (4) and the surface of the sealing plug (7), and the hard needle head (3) is communicated with the vacuum blood collection tube (6).

6. An intravenous blood collection device according to claim 1 wherein: the number of the adjusting blocks (12) is two, and the two adjusting blocks (12) are symmetrically distributed relative to the fixed seat (9).

7. An intravenous blood collection device according to claim 1 wherein: the slot (10) arranged on the bottom surface of the fixed seat (9) is sleeved with the surface of the pipe cover (4).

8. An intravenous blood collection device according to claim 2 wherein: fixing holes (401) are formed in the surfaces of two opposite sides of the pipe cover (4), and the fixing holes (401) are clamped with the tail ends of the fixing blocks (5).

9. An intravenous blood collection device according to claim 1 wherein: one side surface of the adjusting block (12) is fixedly connected with one end of the spring (11), and the other end of the spring (11) is fixedly connected with the side surface of the fixing seat (9).

10. An intravenous blood collection device according to claim 1 wherein: the top of the slot (10) is communicated with a limiting hole (901) formed in the fixing seat (9), and the limiting hole (901) is clamped with the sealing plate (2).