CN210931443U

CN210931443U - Easily observe binary channels heparin tube

Info

Publication number: CN210931443U
Application number: CN201921562796.4U
Authority: CN
Inventors: 曾昭春; 邬晓东; 吴迪
Original assignee: Cancer Center of Guangzhou Medical University
Current assignee: Cancer Center of Guangzhou Medical University
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-07-07
Anticipated expiration: 2029-09-19

Abstract

The utility model relates to the technical field of medical equipment, in particular to a blood sampling tube with easy observation and double channels, which comprises a blood sampling tube body and a sealing plug sleeved inside the opening end of the blood sampling tube body; the sealing plug comprises a top plug and an inner plug arranged at the bottom of the top plug, and the inner plug is internally arranged at the opening end of the blood sampling tube body; the first passageway with the inside intercommunication of blood sampling body is seted up at the middle part of top stopper, and the second passageway with first passageway intercommunication is seted up to the lateral wall of top stopper, and the top of first passageway seals via first stopple, and the second passageway seals via the second stopple. The utility model discloses an easy binary channels heparin tube that observes novel structure is simple, can insert the blood sampling operation to the top of sealing plug with the blood sampling needle to can stand upside down the vertical placement with the heparin tube, insert the blood sampling needle to the lateral wall of sealing plug and carry out the blood sampling operation, thereby make the heparin tube not restricted by surrounding conditions, remain throughout and erect perpendicularly, be favorable to the operator to observe the volume of taking a blood sample and control the volume of taking a blood sample, ensure the accuracy of the volume of taking a blood sample.

Description

Easily observe binary channels heparin tube

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to easily observe binary channels heparin tube.

Background

The vacuum blood collection tube is a medical instrument with extremely high utilization rate in clinical examination. And current vacuum test tube, its main part is hollow cylinder, and the entry setting of blood sampling is directly over the top of test tube, presses close to skin through blood taking needle one end and pierces patient's arm blood vessel, and during the other end pierces the plug on vacuum test tube top, utilizes the negative pressure in the test tube, reaches the purpose of blood sampling. This in-process, the angle of placing of heparin tube mainly has two kinds of modes: one is vertically placed and the other is obliquely placed. The first vertical placement mode is an ideal situation, which is beneficial to blood collection and is also beneficial to an operator to observe and control the blood collection amount, but the ideal situation generally only occurs when the arm of the patient is right at the edge of a table top or a bed surface. In practice, the arms of the patient cannot be placed on the table or the edge of the bed surface in most cases due to the restriction of various conditions.

In general, the arm of the patient to be sampled is horizontally placed on a table top or a sickbed. Because the height that highly will be less than the heparin tube between arm and desktop or the bed surface, and the heparin tube can receive the hindrance of desktop or bed surface when placing in the operation, this makes the blood sampling in-process, the heparin tube often can only take the slope of second kind and places the mode, need be different angle slopes with desktop or bed surface promptly and place, this blood liquid level that just leads to in the heparin tube is the slope, and inclination when taking blood at every turn is uncertain, be unfavorable for the operator to observe the volume of taking blood in real time, thereby lead to the operator to appear the erroneous judgement to the volume of taking blood easily, and the better control volume of taking blood of unable, cause the volume of taking blood to appear too little or the inaccurate condition, thereby influence the testing result.

Disclosure of Invention

In order to overcome the shortcoming and the not enough that exist among the prior art, the utility model aims to provide an easily observe binary channels heparin tube, novel structure is simple, has the sealing plug of first passageway and second passageway through the setting, realizes that the blood taking needle can insert the top or the lateral wall to the sealing plug and carry out the operation of taking a blood sample to can stand upside down the vertical placement with the heparin tube, realize the binary channels blood sampling, and be convenient for the operator to observe and control the volume of taking a blood sample, improve the accuracy of the volume of taking a blood sample.

The purpose of the utility model is realized through the following technical scheme: a double-channel blood collection tube easy to observe comprises a blood collection tube body and a sealing plug sleeved inside an opening end of the blood collection tube body; the sealing plug comprises a top plug and an inner plug arranged at the bottom of the top plug, and the inner plug is arranged at the opening end of the blood sampling tube body; the middle part of the top plug is provided with a first channel communicated with the inside of the blood sampling tube body, the side wall of the top plug is provided with a second channel communicated with the first channel, the top of the first channel is sealed through a first hole plug, and the second channel is sealed through a second hole plug.

Furthermore, a third channel penetrating through the upper surface and the lower surface of the inner plug is formed in the middle of the inner plug, and the first channel is communicated with the interior of the blood collection tube body through the third channel.

Further, the first hole plug comprises a first rubber sheet and a first solid rubber block arranged in the middle of the first rubber sheet, and the first solid rubber block is inserted into the first channel; the first rubber sheet is far away from a first groove for the blood taking needle to penetrate is concavely arranged on one side face of the first solid rubber block.

Further, the second plug comprises a second rubber sheet and a second solid rubber block arranged in the middle of the second rubber sheet, and the second solid rubber block is inserted into the second channel; the second rubber sheet is far away from a side face of the second solid rubber block is concavely provided with a second groove for the blood taking needle to penetrate.

Further, this heparin tube still includes seal shell, seal shell is located including the cover the first casing of top stopper outer wall and cover are located the second casing of blood sampling body open end outer wall, first casing and second casing integrated into one piece.

Further, the outer wall of the first shell is provided with a first anti-skidding thread, and the outer wall of the second shell is provided with a second anti-skidding thread.

Furthermore, the first shell corresponds the apical pore that supplies the blood taking needle to wear through is seted up to first passageway, and first shell corresponds the side opening that supplies the blood taking needle to wear through is seted up to the second passageway.

Furthermore, the closed end of the blood sampling tube body is provided with a first scale mark, and the open end of the blood sampling tube body is provided with a second scale mark.

The beneficial effects of the utility model reside in that: the utility model discloses an easily observed binary channels heparin tube novel structure is simple, have the sealing plug of first passageway and second passageway through the setting, can insert the blood taking needle to the top of sealing plug and carry out the blood sampling operation, and can stand upside down the vertical placement with the heparin tube, insert the lateral wall of sealing plug with the blood taking needle and carry out the blood sampling operation, thereby make the heparin tube not restricted by surrounding conditions, remain throughout and erect perpendicularly, be favorable to the operator to observe the blood volume and control the blood volume, ensure the accuracy of the blood volume.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

FIG. 2 is a partially exploded schematic view of the present invention;

fig. 3 is a schematic view of an assembled three-dimensional structure of the present invention;

FIG. 4 is a schematic view of the blood collection in the inverted upright state of the present invention;

fig. 5 is a cross-sectional view of the present invention.

The reference signs are: 1-blood sampling tube body, 11-first scale mark, 12-second scale mark, 2-sealing plug, 21-top plug, 211-first channel, 212-second channel, 22-inner plug, 221-third channel, 23-first hole plug, 231-first rubber sheet, 2311-first groove, 232-first solid rubber block, 24-second hole plug, 241-second rubber sheet, 2411-second groove, 242-second solid rubber block, 3-sealing shell, 31-first shell, 311-first anti-skid thread, 3111-top hole, 3112-side hole, 32-second shell, 321-second anti-skid thread.

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-5, which are not intended to limit the present invention.

Referring to fig. 1-5, an easily observable two-channel blood collection tube comprises a blood collection tube body 1 and a sealing plug 2 sleeved inside an opening end of the blood collection tube body 1; the sealing plug 2 comprises a top plug 21 and an inner plug 22 arranged at the bottom of the top plug 21, and the inner plug 22 is arranged at the opening end of the blood collecting tube body 1; the middle part of the top plug 21 is provided with a first channel 211 communicated with the interior of the blood collection tube body 1, the side wall of the top plug 21 is provided with a second channel 212 communicated with the first channel 211, the top of the first channel 211 is sealed by a first hole plug 23, and the second channel 212 is sealed by a second hole plug 24.

The binary channels blood sampling tube structure that this embodiment was easily observed is novel simple, sealing plug 2 that has first passageway 211 and second passageway 212 through the setting, can insert the blood sampling needle to the top of sealing plug 2 and carry out the blood sampling operation, and can stand upside down the blood sampling tube and vertically place, insert the blood sampling needle to the lateral wall of sealing plug 2 and carry out the blood sampling operation, thereby make the blood sampling tube can not receive the surrounding conditions restriction, remain perpendicular erectly all the time, be favorable to the operator to observe the volume of taking a blood and control the volume of taking a blood, ensure the accuracy of the volume of taking a blood.

And further, the top stopper 21 and the interior stopper 22 are integrated into one piece, improve the firmness and the stability of sealing plug 2, can play the sealed lid effect of blood sampling body 1 through interior stopper 22, can provide the blood sampling needle entry of top and lateral wall for blood sampling body 1 through top stopper 21, realize the function of binary channels blood sampling. Preferably, the first channel 211 and the second channel 212 are perpendicular to each other.

Further, the top plug 21 may be a cube or a cylinder, preferably a cube, and since four side walls of the cube are all flat, the sealing performance of the second hole plug 24 after penetrating through the second channel 212 can be improved, and the stability of the inverted and erected state of the blood collection tube can be improved. And the top plug 21 is preferably made of hard materials such as PP and PE, has high stability, is not easy to deform under pressure, ensures that collected blood smoothly circulates in the top plug 21, and the top plug 21 is made of hard materials, so that other side walls are not easy to pierce.

In this embodiment, the middle of the inner plug 22 is provided with a third channel 221 penetrating through the upper and lower surfaces thereof, and the first channel 211 is communicated with the interior of the blood collection tube body 1 through the third channel 221.

The third channel 221 of the present embodiment is communicated with the first channel 211, and the collected blood flows to the third channel 221 through the bottom of the first channel 211 and flows into the interior of the blood collection tube body 1 through the third channel 221; preferably, the first channel 211, the second channel 212 and the third channel 221 are communicated channels, so that the blood can be collected and circulated into the blood collection tube body 1 conveniently.

The inner plug 22 is preferably a cylinder provided with a third channel 221, is plugged into the opening end of the blood collection tube body 1, is matched with the shape of the blood collection tube body 1, realizes sealing, acts as a sealing cover at the opening end of the blood collection tube body 1, and simultaneously collected blood flows into the blood collection tube body 1 through the third channel 221.

Preferably, the inner plug 22 comprises an inner layer and an outer layer, the inner layer is an inner diameter part of the inner plug 22, the outer layer is an outer diameter part of the inner plug 22, the inner layer is preferably made of hard materials such as PP and PE, the stability is high, the inner layer is not easy to deform under pressure, and the collected blood is ensured to smoothly flow in the inner plug 22; the outer layer is preferably made of butyl rubber subjected to silicification treatment, is in seamless fit with the interior of the blood sampling tube body 1, has high sealing performance, and can maintain the negative pressure in the blood sampling tube; and the inner layer and the outer layer can be seamlessly bonded through the super glue, so that the stability is high.

In this embodiment, the first plug 23 includes a first rubber sheet 231 and a first solid rubber block 232 disposed in the middle of the first rubber sheet 231, and the first solid rubber block 232 is inserted into the first channel 211; a first groove 2311 for inserting a blood taking needle is concavely arranged on one side surface of the first rubber sheet 231, which is far away from the first solid rubber block 232.

The first rubber sheet 231 and the first solid rubber block 232 of this embodiment are of an integrally formed structure, the first solid rubber block 232 is plugged into the first channel 211, the sealing performance of the first channel 211 and the blood collection tube is realized, and the blood collection needle passes through the first groove 2311 and pierces the first solid rubber block 232, so that blood flows into the inside of the top plug 21 from the top of the top plug 21 and then flows into the inside of the blood collection tube body 1 through the top plug 21. Further, the first rubber sheet 231 may have a cross section in a shape of a circle, a square, a diamond, etc., and the cross section area of the first rubber sheet 231 is smaller than or equal to the cross section area of the top plug 21, and preferably, the cross section of the first rubber sheet 231 has a square shape and the cross section area is the same as the cross section area of the top plug 21. Preferably, the first hole plug 23 is made of butyl rubber, and after the blood sampling needle is inserted and pulled out, the penetrating position of the needle head can be closed, so that blood is prevented from being polluted, and the blood is prevented from polluting operators.

In this embodiment, the second plug 24 includes a second rubber blade 241 and a second solid rubber block 242 disposed in the middle of the second rubber blade 241, and the second solid rubber block 242 is inserted into the second channel 212; and a second groove 2411 for the blood taking needle to penetrate is concavely arranged on one side surface of the second rubber sheet 241, which is far away from the second solid rubber block 242.

The structure of the second hole plug 24 of the present embodiment is the same as that of the first hole plug 23, the second rubber piece 241 and the second solid rubber block 242 are integrally formed, the second solid rubber block 242 is plugged into the second channel 212 to achieve the sealing performance of the second channel 212 and the blood collection tube, and the blood collection needle passes through the second groove 2411 and pierces the second solid rubber block 242, so that the blood flows into the top plug 21 from the sidewall of the top plug 21, and then flows into the blood collection tube body 1 through the top plug 21. Further, the cross section of the second rubber sheet 241 may be circular, square, diamond, etc., and the cross section area of the second rubber sheet 241 is smaller than or equal to the cross section area of the top plug 21, and preferably, the cross section of the second rubber sheet 241 is square and the cross section area is the same as the cross section area of the top plug 21. Preferably, the second plug 24 is made of butyl rubber, and after the lancet is inserted and pulled out, the penetrating position of the lancet head can be closed, so that blood is prevented from being polluted and the operator is prevented from being polluted by the blood. Preferably, the first groove 2311 and the second groove 2411 may be circular, square, diamond, etc., preferably circular.

In this embodiment, the blood collection tube further includes a sealing housing 3, the sealing housing 3 includes a first housing 31 sleeved on the outer wall of the plug 21 and a second housing 32 sleeved on the outer wall of the opening end of the blood collection tube body 1, and the first housing 31 and the second housing 32 are integrally formed.

The first shell 31 of this embodiment can protect the top plug 21, wraps the top plug 21, prevents blood pollution operating personnel, and the shape of the first shell 31 is the same as the shape of the top plug 21, the inside of the first shell 31 is of a hollow structure, and the volume of the inside is slightly larger than the total volume of the top plug 21, the volume of the first hole plug 23 and the volume of the second hole plug 24. Preferably, the first housing 31 is made of a hard material such as PP or PE, has high stability, is not easily deformed by pressure, and ensures protection of the plug 21.

The second shell 32 can protect the opening end of the blood collecting tube body 1 corresponding to the inner plug 22, and the height of the second shell is the same as that of the inner plug 22; preferably, the second shell is preferably made of hard materials such as PP and PE, has high stability, is not easy to deform under pressure, and ensures the protection of the opening end of the blood collection tube body 1. Preferably, the sealing housing 3 is made of hard materials such as PP and PE, and is firm and firm, and can stably protect the sealing plug 2, and the sealing housing 3 may be colored.

In this embodiment, the outer wall of the first housing 31 is provided with a first anti-slip thread 311, and the outer wall of the second housing 32 is provided with a second anti-slip thread 321. First anti-skidding screw thread 311 that this embodiment set up can increase the frictional force between first casing 31 and the hand, and the second protection screw thread that sets up can increase the frictional force between second casing 32 and the hand, improves the steadiness of handheld heparin tube, and difficult slipping.

In this embodiment, the first housing 31 has a top hole 3111 corresponding to the first passage 211 for a lancet to pass through, and the first housing 31 has a side hole 3112 corresponding to the second passage 212 for a lancet to pass through.

In the embodiment, by providing the top hole 3111, the blood collection needle penetrates the first groove 2311 through the top hole 3111 of the first housing 31, and penetrates the first solid rubber block 232 to penetrate into the top plug 21, and by using the negative pressure inside the blood collection tube body 1, blood is sucked into the top plug 21 through the first channel 211, and flows into the blood collection tube body 1 through the third channel 221, so that blood collection is realized through the top of the top plug 21. Preferably, the top hole 3111 corresponds to the first groove 2311, and the shape of the top hole 3111 is the same as that of the first groove 2311.

Similarly, through the side opening 3112 that sets up, make the blood taking needle pass through the side opening 3112 of first casing 31, pierce second recess 2411, and pierce through the solid block rubber 242 of second and pierce to inside the top stopper 21, utilize the inside negative pressure of blood taking body 1, inhale blood to inside the top stopper 21 via second passageway 212, and flow into to inside the blood taking body 1 via third passageway 221, realize the blood sampling through the lateral wall of top stopper 21, when the blood taking tube is invertd and is stood, can realize the blood taking via the lateral wall of top stopper 21, the placing of firm blood taking tube, and the accuracy of the volume of taking a blood has been improved. Preferably, the side hole 3112 corresponds to the second groove 2411, and the shape of the top hole 3111 is the same as that of the second groove 2411.

In this embodiment, the closed end of the blood collecting tube body 1 is provided with a first scale mark 11, and the open end of the blood collecting tube body 1 is provided with a second scale mark 12.

The scale values of the first scale marks 11 arranged in this embodiment are sequentially increased from bottom to top, and the blood sampling amount can be conveniently observed through the first scale marks 11; the scale values of the second scale marks 12 are sequentially increased from top to bottom, and the blood sampling amount can be conveniently observed through the second scale marks 12; and the blood sampling tube body 1 is made of transparent material, so that the blood sampling amount can be visually observed. Preferably, the closed end (i.e. the bottom of the blood collecting tube body 1) of the blood collecting tube body 1 is hemispherical, and the arc-shaped hemispherical structure is convenient to hold by hand.

When needing the blood sampling, can pierce the blood taking needle through apical pore 3111 and pierce first recess 2311, pierce first solid rubber piece 232 and pierce to inside the top stopper 21, utilize the inside negative pressure of blood sampling body 1, collect blood to inside the blood sampling body 1 to whether utilize first scale mark 11 to observe the volume of taking a blood sample and reach required requirement. In many cases, the blood collection tube needs to be placed in an inclined manner, but when the blood collection tube is placed in an inclined manner, the blood liquid level reaches the required scale in advance due to the inclination, and it is easy to make a misjudgment as to whether the blood collection amount meets the requirement, so that the blood collection tube is inverted, the top of the top plug 21 serves as a supporting bottom wall, the blood collection needle penetrates into the second groove 2411 through the side hole 3112 of the first housing 31, penetrates into the top plug 21 through the second solid rubber block 242, collects blood into the blood collection tube body 1 by using the negative pressure inside the blood collection tube body 1, and the liquid level of the blood is horizontal at this time, and an operator can accurately observe whether the blood collection amount meets the required requirement by using the second scale 12. The blood collection amount indicated by the second scale line 12 includes the volume of part of blood in the top plug 21 and the inner plug 22 when the blood collection needle is inverted.

The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.

Claims

1. The utility model provides an easy binary channels heparin tube of observing which characterized in that: comprises a blood sampling tube body (1) and a sealing plug (2) sleeved inside the opening end of the blood sampling tube body (1); the sealing plug (2) comprises a top plug (21) and an inner plug (22) arranged at the bottom of the top plug (21), and the inner plug (22) is arranged at the opening end of the blood collection tube body (1); the middle part of the top plug (21) is provided with a first channel (211) communicated with the inside of the blood collection tube body (1), the side wall of the top plug (21) is provided with a second channel (212) communicated with the first channel (211), the top of the first channel (211) is sealed through a first hole plug (23), and the second channel (212) is sealed through a second hole plug (24).

2. The easy-to-observe double-channel blood collection tube according to claim 1, wherein: the middle part of the inner plug (22) is provided with a third channel (221) which runs through the upper surface and the lower surface of the inner plug, and the first channel (211) is communicated with the interior of the blood collection tube body (1) through the third channel (221).

3. The easy-to-observe double-channel blood collection tube according to claim 1, wherein: the first hole plug (23) comprises a first rubber sheet (231) and a first solid rubber block (232) arranged in the middle of the first rubber sheet (231), and the first solid rubber block (232) is inserted into the first channel (211); a first groove (2311) for inserting a blood taking needle is concavely arranged on one side surface, away from the first solid rubber block (232), of the first rubber sheet (231).

4. The easy-to-observe double-channel blood collection tube according to claim 1, wherein: the second hole plug (24) comprises a second rubber sheet (241) and a second solid rubber block (242) arranged in the middle of the second rubber sheet (241), and the second solid rubber block (242) is inserted into the second channel (212); a side face, away from the second solid rubber block (242), of the second rubber sheet (241) is concavely provided with a second groove (2411) for the blood taking needle to penetrate through.

5. The easy-to-observe double-channel blood collection tube according to claim 1, wherein: this heparin tube still includes seal shell (3), seal shell (3) are located including the cover first casing (31) and the cover of top plug (21) outer wall are located second casing (32) of the body (1) open end outer wall of taking a blood sample, first casing (31) and second casing (32) integrated into one piece.

6. The easy-to-observe double-channel blood collection tube according to claim 5, wherein: the outer wall of the first shell (31) is provided with a first anti-skid thread (311), and the outer wall of the second shell (32) is provided with a second anti-skid thread (321).

7. The easy-to-observe double-channel blood collection tube according to claim 5, wherein: first casing (31) correspond apical pore (3111) that supply the blood taking needle to wear through are seted up in first passageway (211), and first casing (31) correspond side opening (3112) that supply the blood taking needle to wear through are seted up in second passageway (212).

8. The easy-to-observe double-channel blood collection tube according to claim 1, wherein: the closed end of the blood sampling tube body (1) is provided with a first scale mark (11), and the open end of the blood sampling tube body (1) is provided with a second scale mark (12).