CN219271603U - Sample reserving bag support capable of accurately controlling sample reserving and blood sampling amount - Google Patents

Abstract

The application relates to a sample reserving bag support of accurate control sample reserving blood sampling volume, weighing device are connected in the back of sample reserving bag support, and weighing device includes upward movement protection subassembly, upward movement protection subassembly one end and bottom plate fixed connection, the other end are set up to have displacement clearance with between the location connecting portion, and when fixed connection portion upwards displaces, with the up end contact of location connecting portion, in order to block the continued upward displacement of location connecting portion. The weighing device further comprises a weighing sensor, a bottom plate and a pressing protection pin, wherein the pressing protection pin is arranged at the side of the suspension end of the weighing sensor through a retention connecting part, and a displacement gap is formed between the bottom end of the pressing protection pin and the upper end face of the bottom plate. The upward-moving protection component and the downward-pressing protection pin are connected with the retention connection part, are not in direct contact with the weighing sensor, avoid the influence of the sensing of the symmetrical weighing sensor during limit protection, and furthest ensure the accuracy of the measurement result of the weighing sensor.

Description

Sample reserving bag support capable of accurately controlling sample reserving and blood sampling amount

Technical Field

The application relates to the technical field of medical equipment, in particular to a sample reserving bag bracket capable of accurately controlling the sample reserving and blood sampling amount.

Background

The extracorporeal blood transfusion is an effective means for treating diseases and saving lives in modern medical treatment, blood cannot be manufactured artificially at present, and only can be obtained from donation of healthy and age-appropriate people, and the donation also becomes an important means for obtaining medical materials in modern medical treatment.

Along with development of science and technology, the blood collection platform is used for collecting blood of blood donators at present, and medical staff need to use the blood bag with the bypass to collect blood of the blood donators in consideration of medical health and safety, wherein the blood in the bypass bag is mainly used for sample retention detection, and the blood in the main bag is used for storage and use. Because accurate control is needed for the blood sampling amount each time, a bypass blood bag for sampling is hung on a sample sampling bag support connected with a weighing sensor during blood sampling, a needle at one end of a blood sampling tube is penetrated into a blood vessel of a human body, and after the blood of the human body is filled in the sample sampling blood bag, the needle at the other end of the blood sampling tube is inserted into a test tube for sampling and sampling.

However, the degree of fit between the existing sample-reserving bag support and the weighing sensor is not high, so that the weighing sensor is damaged due to improper use, excessive force and other reasons in the use process, the indication is inaccurate, and great inconvenience is brought to blood sampling measurement. And when the bypass blood bag is hung on the existing sample-reserving bag support, the bypass blood bag is difficult to stably hang on the sample-reserving bag support, so that the fluctuation phenomenon often occurs in the indication of the weighing sensor, and the measurement is inaccurate.

Therefore, a novel sample-reserving bag bracket is needed to solve the problems in the prior art, and the weighing sensor can be prevented from being damaged due to long-term use or improper use, and the inaccurate blood sampling measurement phenomenon is caused.

Disclosure of Invention

An object of the application is to provide a sample reserving bag support of accurate control sample reserving blood sampling volume to stability is poor when solving current sample reserving bag support connection bypass blood bag, and the degree of fit is not high between sample reserving bag support and the weighing sensor, often causes weighing sensor to damage because of using improperly in the use, the inaccurate scheduling problem of registration.

The embodiment of the application can be realized through the following technical scheme:

the utility model provides a sample reserving bag support of accurate control sample reserving blood sampling volume, includes weighing device, sample reserving bag support, weighing device connect in the back of sample reserving bag support, weighing device includes location connecting portion, weighing sensor, bottom plate, pushes down the protection round pin, shifts up the protection subassembly, weighing sensor's one end is connected in the top of bottom plate, the other end suspension in the top of bottom plate, the bottom of pushing down the protection round pin with have displacement clearance between the up end of bottom plate;

one end of the upward-moving protection component is fixedly connected with the bottom plate, the other end of the upward-moving protection component is arranged to form a displacement gap with the retention connection part, and the upward-moving protection component contacts with the upper end face of the retention connection part when the fixing connection part is displaced upwards so as to prevent the retention connection part from continuing to displace upwards.

Further, the sample reserving bag support further comprises a support panel and a first clamping pipe part, wherein the first clamping pipe part and the second clamping pipe part are respectively arranged at the upper position and the lower position of the support panel;

the middle parts of the first clamping tube part and the second clamping tube part are provided with accommodating channels for clamping the blood sampling tube.

Further, the retention connection portion is connected to the top of the load cell suspension end, and the pressing protection pin is disposed at the side of the load cell suspension end through the retention connection portion.

Further, the middle part of the retention connecting part is provided with a first groove which is penetrated in the front-back direction, the bottom of the first groove is in an opening shape, and the retention connecting part is connected with the two sides of the suspension end of the weighing sensor in a wrapping way from top to bottom.

Further, the retention connection portion further includes first connection holes, the number of the first connection holes is at least one, and at least one first connection hole is disposed on a side wall of the first groove along a vertical direction.

Further, the number of the pressing protection pins is at least one, at least one pressing protection pin is arranged on the side face of the weighing sensor through a first connecting hole, and the horizontal plane of the bottom end of the pressing protection pin is lower than the horizontal plane of the bottom end of the weighing sensor.

Further, the bottom plate is a rigid mounting table, the upper top surface of the bottom plate is in a step shape with one end high and the other end low, wherein one end of the upper top surface of the bottom plate with a higher relative position is a first connecting table, and one end with a lower relative position is a first supporting table.

Further, one end of the weighing sensor is connected to the upper portion of the first connecting table, the other end of the weighing sensor is suspended above the first supporting table, and a displacement gap is formed between the bottom end of the pressing protection pin and the first supporting table.

Further, the upward-moving protection assembly comprises a supporting connection part, wherein the supporting connection part is of a rigid connection structure and is fixedly connected with the bottom plate, a containing frame is arranged in the middle of the supporting connection part, the containing frame is communicated in the front-back direction, and the bottom of the containing frame is in an opening shape.

Further, the supporting connection part further comprises a limiting part, wherein the limiting part is a protruding structure positioned at one side of the top of the supporting connection part, and the limiting part is arranged at one side adjacent to the retention connection part and positioned above the retention connection part;

the limiting part is provided with a positioning connecting hole which is communicated in the vertical direction, the upward movement protection assembly further comprises an upward movement protection pin, the upward movement protection pin is connected with the supporting connecting part through the positioning connecting hole, and a displacement gap is formed between the lower end face of the upward movement protection pin and the upper top wall of the retention connecting part.

The embodiment of the application provides a sample reserving bag support of accurate control sample reserving blood sampling volume has following beneficial effect at least:

this application is through setting up and shifting up protection subassembly, push down the protection round pin, form the line protection respectively in weighing sensor is vertical upwards, two vertical decurrent displacement directions, reduced the possibility that the weighing sensor caused the damage effectively in the blood sampling process, prolonged weighing sensor's life, and the protection subassembly that shifts up that this application set up, push down the protection round pin all is connected with the location connecting portion, not direct contact weighing sensor, the response influence of weighing sensor when having avoided spacing protection, furthest's assurance weighing sensor measuring result's accuracy, the sample reserving bag support that makes this application provide can carry out accurate measurement to the blood sampling volume at blood sampling in-process, have the registration accuracy, the measurement is accurate, long service life, advantages such as the practicality is strong.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a sample-reserving bag bracket for precisely controlling the amount of sample-reserving blood taking in the embodiment;

fig. 2 and fig. 3 are schematic views of an exploded state of a sample bag bracket for precisely controlling the amount of sample collection under different viewing angles;

fig. 4 is a schematic view of the overall structure of the sample bag holder in the present application.

Reference numerals in the figures

1-a weighing device; 11-a retention connection; 111-a first groove; 112-first connection holes; 113-a second connection hole; 114-a third connection hole; 12, a weighing sensor; 121-fourth connection holes; 122-fifth connecting holes; 13-a bottom plate; 131-seventh connecting holes; 132—a first connection station; 133-a first support table; 134-eighth connecting holes; 135-a second groove; 136-avoiding grooves; 14-pressing down the protective pin; 15-upward movement of the guard pins; 16-bolts; 17-a support connection; 171-a limit part; 172-positioning the connecting holes; 173-sixth connecting holes; 174-accommodating frames;

2-a sample-reserving bag bracket; 21-a support panel; 22-a first clamping tube part; 23-a second clamping tube part; 24-bracket connection holes; 25-supporting blocks; 26-ninth connecting holes.

Detailed Description

The present application will be further described below based on preferred embodiments with reference to the accompanying drawings.

In addition, various components on the drawings have been enlarged (thick) or reduced (thin) for ease of understanding, but this is not intended to limit the scope of the present application.

The singular forms also include the plural and vice versa.

In the description of the embodiments of the present application, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship that a product of the embodiments of the present application conventionally puts in use, it is merely for convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, in the description of the present application, the terms first, second, etc. are used herein for distinguishing between different elements, but not necessarily for describing a sequential or chronological order of manufacture, and may not be construed to indicate or imply a relative importance, and their names may be different in the detailed description of the present application and the claims.

The terminology used in this description is for the purpose of describing the embodiments of the present application and is not intended to be limiting of the present application. It should also be noted that unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be connected mechanically, directly or indirectly through an intermediate medium, and can be communicated internally. The specific meaning of the terms in this application will be specifically understood by those skilled in the art.

For convenience of description in this application, taking the direction shown in fig. 1 as an example, the X axis represents the transverse direction, the Y axis represents the front-rear direction, and the Z axis represents the vertical direction.

Fig. 1 is a schematic diagram of the overall structure of a sample retention bag support for accurately controlling the amount of retained samples, as shown in fig. 1, and the sample retention bag support for accurately controlling the amount of retained samples includes a weighing device 1 and a sample retention bag support 2, the weighing device 1 is connected to the back of the sample retention bag support 2, the weighing device 1 includes a retention connection portion 11, a weighing sensor 12, a bottom plate 13, a pressing protection pin 14, and an upward movement protection assembly, one end of the weighing sensor 12 is connected to the top of the bottom plate 13, the other end is suspended above the bottom plate 13, and a displacement gap is provided between the bottom end of the pressing protection pin 14 and the upper end surface of the bottom plate 13;

one end of the upward movement protection component is fixedly connected with the bottom plate 13, and the other end of the upward movement protection component is arranged to have a displacement gap with the retention connection part 11, and contacts with the upper end surface of the retention connection part 11 when the retention connection part 11 is displaced upward so as to prevent the retention connection part 11 from continuing to displace upward;

the upward-moving protection assembly and the downward-pressing protection pin 14 are connected with the retention connection part 11, and are not in direct contact with the weighing sensor 12, so that the influence of the sensing of the weighing sensor 12 during limit protection is avoided, and the accuracy of the measurement result of the weighing sensor 12 is ensured to the greatest extent.

Specifically, one end of the weighing sensor 12 is connected to the upper portion of the bottom plate 13, the upper top surface of the bottom plate 13 is in a stepped shape with one end high and one end low, wherein one end of the upper top surface of the bottom plate 13 with a higher relative position is a first connection table 132, one end with a lower relative position is a first support table 133, and one end of the weighing sensor 12 is connected to the first connection table 132 of the bottom plate 13, so that the other end of the weighing sensor 12 is suspended above the bottom plate 13.

The utility model discloses a weighing sensor, including weighing sensor 12, retention connecting portion 11, push down the protection round pin 14, retention connecting portion 11 set up in weighing sensor 12 hangs the side of end, push down the bottom of protection round pin 14 with have displacement clearance between the up end of bottom plate 13, when reserving a sample bag support 2 down the stroke of displacement too big, push down the bottom of protection round pin 14 with the up end of bottom plate 13 contacts for protection weighing sensor 12, make weighing sensor 12 can not continue the bending downwards under the effect, avoid reserving sample bag support 2 to push down the in-process because of the too big damage of weighing sensor 12 of strength effectively.

The weighing sensor 12 penetrates through the accommodating frame 174 of the upward-moving protection component along the front and back directions, two sides of the upward-moving protection component are respectively connected above the bottom plate 13, the lower end face of the top of the upward-moving protection component is arranged above the retention connection part 11 and is provided with a displacement gap with the upper top wall of the retention connection part 11, when the upward-moving stroke of the sample retention bag support 2 is overlarge, the lower end face of the upward-moving protection component is contacted with the upper top wall of the retention connection part 11 for protecting the weighing sensor 12, so that the weighing sensor 12 cannot continuously bend upwards under the action of force, and the damage of the weighing sensor 12 caused by overlarge force in the upward-moving process of the sample retention bag support 2 is effectively avoided.

For convenience of description, in this embodiment, the displacement gap between the bottom end of the pressing protection pin 14 and the upper end surface of the bottom plate 13 is referred to as a pressing protection gap, and the displacement gap between the lower end surface of the top of the upward movement protection assembly and the upper top wall of the retention connection portion is referred to as an upward movement protection gap.

Specifically, fig. 2 and fig. 3 are schematic diagrams of an exploded state of the sample reserving bag bracket for accurately controlling the sample reserving and collecting amount under different visual angles, as shown in fig. 2 and fig. 3, the upward moving protection component comprises a supporting connection part 17, the supporting connection part 17 is of a rigid connection structure, a containing frame 174 is located in the middle of the supporting connection part 17, the containing frame 174 is penetrated along the front and rear directions, and the bottom is in an opening shape, so that the weighing sensor 12 is limited between the bottom plate 13 and the upward moving protection component in a wrapping manner.

In some preferred embodiments, the support connection portion 17 is detachably connected to the bottom plate 13, the bottoms of the two side walls of the support connection portion 17 are respectively provided with a sixth connection hole 173, correspondingly, the bottom plate 13 is also provided with an eighth connection hole 134, and the sixth connection hole 173 is matched with the eighth connection hole 134, so that the support connection portion 17 and the bottom plate 13 are detachably connected through mutually matched threads and screw holes, and convenience of connection is increased.

In some preferred embodiments, the support connection portion 17 further includes a limiting portion 171, the limiting portion 171 is a protruding structure located at a top side of the support connection portion 17, the limiting portion 171 is disposed at a side adjacent to the retention connection portion 11, and the limiting portion 171 is located above the retention connection portion 11 and has a displacement gap with an upper top wall of the retention connection portion 11;

in some preferred embodiments, the limiting portion 171 is provided with a positioning connection hole 172 penetrating in a vertical direction, the upward movement protection assembly further includes an upward movement protection pin 15, the upward movement protection pin 15 is connected with the supporting connection portion 17 through the positioning connection hole 172, and a displacement gap is formed between a lower end surface of the upward movement protection pin 15 and an upper top wall of the retention connection portion 11, so as to protect the load cell 12 from damage caused by excessive upward bending deformation of the load cell.

In some embodiments, it is conceivable that the upward movement protection assembly may also adjust the upward movement protection gap to be within a preset protection travel range by adaptively adjusting the shape of the limiting portion 171 even if the upward movement protection pin 15 is not provided, so as to achieve the protection effect of the weighing sensor 12, however, by providing the upward movement protection pin 15, the upward movement protection gap may be more conveniently adjusted, so as to meet the range protection requirements in various ranges.

In some preferred embodiments, the positioning connection hole 172 is screwed with the upward movement protection pin 15, and the positioning connection hole 172 is filled with a screw glue, so that when the upward movement protection pin 15 adjusts upward movement protection stroke vertically upward and downward, the upward movement protection pin 15 can still be stably connected in the positioning connection hole 172, and a stable gap is always maintained with the retention connection portion 11, regardless of the connection position of the upward movement protection pin 15 and the positioning connection hole 172.

The retention connection 11 is described in detail below with reference to the accompanying drawings:

as shown in fig. 2 and 3, a first groove 111 penetrating in the front-rear direction is provided in the middle of the retention connection portion 11, the bottom of the first groove 111 is in an opening shape, and the first groove 111 is used for being connected to the suspension end of the weighing sensor 12, so that the retention connection portion 11 can be connected to two sides of the suspension end of the weighing sensor 12 from top to bottom in a wrapping manner.

In some preferred embodiments, the retention connection portion 11 further includes a first connection hole 112, a second connection hole 113, and a third connection hole 114, where the third connection hole 114 is a blind hole disposed on a side wall of the first groove 111 along a front-rear direction, and correspondingly, the sample-reserving bag holder 2 is provided with a holder connection hole 24, and the third connection hole 114 is matched with the holder connection hole 24, so that the retention connection portion 11 is connected to a back surface of the sample-reserving bag holder 2 by a screw, so as to connect the weighing device 1 with the sample-reserving bag holder 2.

The first connecting hole 112 is a through hole provided on a sidewall of the first groove 111 along a vertical direction, and is used for connecting the pressing protection pin 14.

In some preferred embodiments, the number of the first connecting holes 112 is at least one, at least one of the first connecting holes 112 is disposed on two sidewalls of the first groove 111 along a vertical direction, correspondingly, the number of the pressing protection pins 14 is at least one, at least one of the pressing protection pins 14 is disposed on a side surface of the weighing sensor through the first connecting holes 112, and a horizontal plane at the bottom end of the pressing protection pin 14 is lower than a horizontal plane at the bottom end of the weighing sensor 12, so as to provide protection for the weighing sensor 12 during the downward bending deformation process.

In some preferred embodiments, the first connecting hole 112 is filled with a screw-thread compound, so that the pressing protection pin 14 can be stably connected in the first connecting hole 112 even if the cap end of the pressing protection pin 14 is not attached to the upper top wall of the retention connection portion 11 when the pressing protection pin 14 is vertically adjusted to the protection stroke.

The second connecting hole 113 is a through hole formed in the top wall of the first groove 111 along the vertical direction, and correspondingly, a fourth connecting hole 121 is formed in the top of the suspension end of the weighing sensor 12, and the second connecting hole 113 is matched with the fourth connecting hole 121, so that the fixing connecting portion 11 is connected above the weighing sensor 12 through a bolt 16.

In some preferred embodiments, the load cell 12 further includes a fifth connection hole 122, where the fifth connection hole 122 is a through hole disposed at a connection end of the load cell 12 along a vertical direction, and correspondingly, a seventh connection hole 131 is disposed at one end of the bottom plate 13, and the fifth connection hole 122 is matched with the seventh connection hole 131, and is used for connecting the load cell 12 to the upper portion of the bottom plate 13 through a bolt 16.

The weighing principle of the weighing sensor is as follows: under the action of external force, the strain gauge attached to the elastic body deforms to cause resistance change, and the resistance change causes the formed Wheatstone bridge to lose balance and output an electric quantity electric signal which changes in direct proportion to the external force. Therefore, the load cell 1 needs to rely on deformation to measure when weighing the weight of the object to be measured, and the two ends of the load cell 12 cannot directly contact with the bottom plate 13 before the deformation of the load cell 12 occurs.

Specifically, the bottom plate 13 is a rigid mounting table, the upper top surface of the bottom plate 13 is in a stepped shape with one end high and the other end low, wherein, one end with a higher relative position of the upper top surface of the bottom plate 13 is a first connecting table 132, one end with a lower relative position is a first supporting table 133, the seventh connecting hole 131 is arranged at the first connecting table 132 along the vertical direction, when the weighing sensor 12 is connected with the bottom plate 13, one end of the weighing sensor 12 is connected above the first connecting table 132, the other end is suspended above the first supporting table 133, and before deformation of the weighing sensor 12, the weighing sensor 12 is not contacted with the first supporting table 133.

In some preferred embodiments, the width of the bottom plate 13 is larger than the width of the load cell 12, so that when the load cell 12 is bent downwards to a certain extent, the bottom end of the pressing protection pin 14 can be supported on the upper top surface of the bottom plate 13, and the load cell 12 plays a role in protecting the bending downwards.

In some preferred embodiments, the bottom end of the pressing protection pin 14 protrudes from the lower end surface of the weighing sensor 12, and a displacement gap is formed between the bottom end of the pressing protection pin 14 and the first supporting table 133, so as to protect the weighing sensor 12 during a certain bending stroke.

In some preferred embodiments, the pressing protection pin 14 is a threaded connection pin, and the pressing protection pin 14 can adjust its connection position relative to the first connection hole 112 along the vertical direction, so as to more conveniently adjust the pressing protection gap, and meet the range protection requirements in various ranges.

In some preferred embodiments, the bottom plate 13 further includes a second groove 135, where the second groove 135 is disposed on an upper end surface of the first connecting table 132, and the second groove 135 is penetrated in a front-rear direction, and the seventh connecting hole 131 is disposed in the second groove 135, and the second groove 135 is used for positioning a connection end position of the load cell 12, so that the connection end of the load cell 12 is firmly clamped in the second groove 135.

In some preferred embodiments, the bottom plate 13 further includes an avoidance groove 136, the avoidance groove 136 is a groove formed between the first connection platform 132 and the first support platform 133, a connection hole penetrating up and down is formed in the avoidance groove 136, and the avoidance groove is used for facilitating installation of a bolt, so that the bolt can be installed through the connection hole in the avoidance groove 136, and the bottom plate 13 is installed on the blood collection platform.

Fig. 4 is a schematic diagram of the overall structure of the sample reserving bag support 2 in the present application, the sample reserving bag support 2 includes a support panel 21, a first clamping tube portion 22 and a second clamping tube portion 23, the first clamping tube portion 22 and the second clamping tube portion 23 are respectively arranged in the upper and lower directions of the support panel 21, and are used for clamping two ends of a blood bag hose of a bypass blood sampling bag, so that the connection stability is enhanced.

In some preferred embodiments, the second clamping tube portion 23 has a double-layer structure, and the bottom layer of the second clamping tube portion 23 has a wrapping structure with a closed periphery and a hollow interior, so as to form a containing hole of the needle protection sleeve capable of containing the bypass blood collection bag. The top layer of the second clamping tube part 23 is of a clamping band structure with an open periphery and is used for better clamping the needle protection sleeve of the bypass blood collection bag, so that the connection stability of the sample retention bag bracket 2 and the bypass blood bag is further improved.

In some preferred embodiments, the sample bag holder 2 further includes a support block 25, where the support block 25 is disposed on the back of the sample bag holder 2 and corresponds to the position where the support connection hole 24 is located, and a ninth connection hole 26 is disposed on the support block 25, and when the sample bag holder is connected, a screw sequentially passes through the support connection hole 24 and the ninth connection hole 26 and is connected to the third connection hole 114 of the retention connection portion 11, so that the sample bag holder 2 is connected to the weighing device 1 through the support block 25, so as to ensure a distance between the weighing sensor 12 and the support panel 21, and avoid interference caused by the weighing sensor 12 by the support panel 21 during weighing.

In some preferred embodiments, the first connecting hole 112, the second connecting hole 113, the third connecting hole 114, the fourth connecting hole 121, the fifth connecting hole 122, the seventh connecting hole 131, the ninth connecting hole 26 and the bracket connecting hole 24 are all threaded connecting holes for realizing the connection stability and being convenient to detach.

The following combines two extreme cases, respectively carries out the detailed description to the application of the sample reserving bag bracket of the accurate control sample reserving blood sampling volume:

when the sample reserving bag support 2 is excessively displaced downwards, the sample reserving bag support 2 drives the retention connecting part 11 to displace downwards and drives the suspension end of the weighing sensor 12 to bend downwards, meanwhile, the bottom end of the pressing protection pin 14 connected to the retention connecting part 11 displaces downwards, once the range of the weighing sensor 12 is exceeded, the bottom end of the pressing protection pin 14 displaces to be in conflict with the upper end face of the first supporting table 133, and at the moment, the weighing sensor 12 does not continuously bend downwards to deform, so that the overload protection in the vertical downward direction is realized.

When the sample reserving bag support 2 is excessively displaced upwards, the sample reserving bag support 2 drives the retention connecting part 11 to be displaced upwards and drives the suspension end of the weighing sensor 12 to bend upwards, meanwhile, the retention connecting part 11 connected to the suspension end of the weighing sensor 12 is synchronously displaced upwards, once the range of the weighing sensor 12 is exceeded, the top wall of the retention connecting part 11 is upwardly displaced to be in contact with the lower end surface of the upward movement protection pin 15, and at the moment, the weighing sensor 12 is not continuously bent upwards, so that overload protection in the vertical upward direction is realized.

While the foregoing is directed to embodiments of the present application, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims (10)

1. The utility model provides a sample reserving bag support of accurate control sample reserving blood sampling volume, includes weighing device (1), sample reserving bag support (2), weighing device (1) connect in the back of sample reserving bag support (2), its characterized in that:

the weighing device (1) comprises a retention connecting part (11), a weighing sensor (12), a bottom plate (13), a pressing-down protection pin (14) and an upward movement protection assembly, wherein one end of the weighing sensor (12) is connected to the upper part of the bottom plate (13), the other end of the weighing sensor is suspended above the bottom plate (13), and a displacement gap is reserved between the bottom end of the pressing-down protection pin (14) and the upper end surface of the bottom plate (13);

one end of the upward-moving protection component is fixedly connected with the bottom plate (13), and the other end of the upward-moving protection component is arranged to form a displacement gap with the retention connection part (11), and contacts with the upper end surface of the retention connection part (11) when the retention connection part (11) is displaced upwards so as to prevent the retention connection part (11) from continuing to displace upwards.

2. The sample retention bag holder for precisely controlling the amount of sample retention and blood collection according to claim 1, wherein:

the sample reserving bag support (2) further comprises a support panel (21), a first clamping pipe part (22) and a second clamping pipe part (23), wherein the first clamping pipe part (22) and the second clamping pipe part (23) are respectively arranged at the upper position and the lower position of the support panel (21);

the middle part of the first clamping tube part (22) and the middle part of the second clamping tube part (23) are provided with accommodating channels for clamping the blood sampling tube.

3. The sample retention bag holder for precisely controlling the amount of sample retention and blood collection according to claim 1, wherein:

the retention connecting part (11) is connected to the upper part of the suspension end of the weighing sensor (12), and the pressing protection pin (14) is arranged beside the suspension end of the weighing sensor (12) through the retention connecting part (11).

4. A sample retention bag holder for precisely controlling the amount of retained blood collection according to claim 3, wherein:

the middle part of the retention connecting part (11) is provided with a first groove (111) which is penetrated in the front-back direction, the bottom of the first groove (111) is in an opening shape, and the retention connecting part (11) is connected to the two sides of the suspension end of the weighing sensor (12) from top to bottom in a wrapping mode.

5. The sample retention bag holder for precisely controlling the amount of retained blood collection according to claim 4, wherein:

the retention connection part (11) further comprises first connection holes (112), the number of the first connection holes (112) is at least one, and at least one first connection hole (112) is arranged on the side wall of the first groove (111) along the vertical direction.

6. The sample retention bag holder for precisely controlling the amount of sample retention and blood collection according to claim 5, wherein:

the number of the pressing protection pins (14) is at least one, at least one pressing protection pin (14) is arranged on the side face of the weighing sensor through a first connecting hole (112), and the horizontal plane of the bottom end of the pressing protection pin (14) is lower than the horizontal plane of the bottom end of the weighing sensor (12).

7. The sample retention bag holder for precisely controlling the amount of sample retention and blood collection according to claim 5, wherein:

the bottom plate (13) is a rigid mounting table, the upper top surface of the bottom plate (13) is in a ladder shape with one end high and the other end low, wherein one end of the upper top surface of the bottom plate (13) with a higher relative position is a first connecting table (132), and one end with a lower relative position is a first supporting table (133).

8. The sample retention bag holder for precisely controlling the amount of retained blood collection according to claim 7, wherein:

one end of the weighing sensor (12) is connected to the upper part of the first connecting table (132), the other end of the weighing sensor is suspended above the first supporting table (133), and a displacement gap is formed between the bottom end of the pressing protection pin (14) and the first supporting table (133).

9. The sample retention bag holder for precisely controlling the amount of sample retention and blood collection according to claim 1, wherein:

the upward-moving protection assembly comprises a supporting connection part (17), wherein the supporting connection part (17) is of a rigid connection structure and is fixedly connected with the bottom plate (13), a containing frame (174) is arranged in the middle of the supporting connection part (17), the containing frame (174) is communicated in the front-rear direction, and the bottom of the containing frame is in an opening shape.

10. The sample retention bag holder for precisely controlling the amount of retained blood collection according to claim 9, wherein:

the supporting connection part (17) further comprises a limiting part (171), the limiting part (171) is of a protruding structure positioned at one side of the top of the supporting connection part (17), and the limiting part (171) is arranged at one side adjacent to the retention connection part (11) and positioned above the retention connection part (11);

the limiting part (171) is provided with a positioning connecting hole (172) penetrating in the vertical direction, the upward movement protection assembly further comprises an upward movement protection pin (15), the upward movement protection pin (15) is connected with the supporting connecting part (17) through the positioning connecting hole (172), and a displacement gap is formed between the lower end face of the upward movement protection pin (15) and the upper top wall of the retention connecting part (11).

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