CN214040500U - Blood leakage detection device - Google Patents
Blood leakage detection device Download PDFInfo
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- CN214040500U CN214040500U CN202022794238.XU CN202022794238U CN214040500U CN 214040500 U CN214040500 U CN 214040500U CN 202022794238 U CN202022794238 U CN 202022794238U CN 214040500 U CN214040500 U CN 214040500U
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- positioning
- detection device
- leakage detection
- blood leakage
- bracket
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Abstract
The utility model discloses a blood leakage detection device, include: a housing; a holder installed in the housing, and formed with a receiving groove portion for receiving a catheter; a light emitter mounted on the bracket and located at one side of the receiving groove part; and a light receiver mounted on the bracket and located at the other side of the receiving groove portion. The positioning parts are respectively formed on the inner walls of the two sides of the shell and provided with positioning holes for positioning the liquid guide pipes, and the positioning holes of the positioning parts are designed to be suitable for positioning the liquid guide pipes with different outer diameters. The utility model discloses in, the multiple catheter of different external diameters can be applicable to the blood leakage detection device, consequently, need not to provide the catheter that differs with the external diameter multiple blood leakage detection device of complex respectively, the cost is reduced.
Description
Technical Field
The utility model relates to a blood leakage detection device.
Background
In the prior art, blood leakage detection devices typically include a housing in which a circular receiving slot is formed that mates with a catheter. Therefore, the existing blood leakage detecting device can be applied only to catheters having the same outer diameter, and cannot be applied to catheters having different outer diameters. If the outer diameter of the catheter changes, the housing and the brackets for mounting the light emitter and light receiver must be redesigned, which is very costly.
In addition, in the prior art, the space inside the housing is small, and the installation of the optical transmitter and the optical receiver is difficult. Moreover, the circuit board of the existing blood leakage detecting device is not installed in the housing, and needs to be connected to the light emitter and the light receiver through wires, which also increases the installation difficulty and further increases the cost.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.
According to the utility model discloses an aspect provides a blood leakage detection device, include: a housing; a holder installed in the housing, and formed with a receiving groove portion for receiving a catheter; a light emitter mounted on the bracket and located at one side of the receiving groove part; and a light receiver mounted on the bracket and located at the other side of the receiving groove portion. The positioning parts are respectively formed on the inner walls of the two sides of the shell and provided with positioning holes for positioning the liquid guide pipes, and the positioning holes of the positioning parts are designed to be suitable for positioning the liquid guide pipes with different outer diameters.
According to an exemplary embodiment of the present invention, the height dimension H of the positioning hole of the positioning portion in the vertical direction is greater than the width dimension W thereof in the horizontal direction, and the outer diameter D of the catheter of different outer diameters satisfies the following numerical range: w is less than or equal to D < H.
According to another exemplary embodiment of the present invention, the positioning hole of the positioning portion is oval, and a minor axis length of the oval positioning hole is equal to the width dimension W.
According to the utility model discloses a further exemplary embodiment, the external diameter of the catheter of different external diameters is within 4 ~ 8 mm's scope, the width dimension W of location portion's locating hole equals 4mm, the height dimension H of location portion's locating hole is greater than 8 mm.
According to the utility model discloses a further exemplary embodiment, the external diameter of the catheter of different external diameters is within 4 ~ 5 mm's scope, the width dimension W of location portion's locating hole equals 4mm, the height dimension H of location portion's locating hole is greater than 8 mm.
According to the utility model discloses a further exemplary embodiment, the external diameter of the catheter of different external diameters is within 6 ~ 8 mm's scope, the width dimension W of the locating hole of location portion equals 6mm, the height dimension H of the locating hole of location portion is greater than 8 mm.
According to another exemplary embodiment of the present invention, the arc outer wall of the positioning portion contacts with the arc inner wall of the accommodation groove portion of the bracket to position the accommodation groove portion of the bracket so that a distance between the light emitter and the light receiver located at both sides of the accommodation groove portion remains unchanged.
According to another exemplary embodiment of the present invention, a first mounting structure for mounting the optical transmitter and a second mounting structure for mounting the optical receiver are formed on the bracket; the optical transmitter is secured and positioned on the first mounting structure and the optical receiver is secured and positioned on the second mounting structure.
According to another exemplary embodiment of the present invention, the optical transmitter is aligned with the optical receiver when the optical transmitter and the optical receiver are mounted to the first mounting structure and the second mounting structure, respectively.
According to another exemplary embodiment of the present invention, the blood leakage detecting device further comprises a circuit board fixed to the bottom of the bracket and installed in the housing together with the bracket.
According to another exemplary embodiment of the present invention, a plurality of positioning columns are formed at the bottom of the bracket, and the plurality of positioning columns are respectively inserted into the plurality of insertion holes on the circuit board in an interference fit manner, so as to fix the circuit board to the bracket.
According to another exemplary embodiment of the present invention, the pins of the optical transmitter and the pins of the optical receiver are electrically connected to the circuit board, respectively.
According to another exemplary embodiment of the present invention, the bracket, the optical transmitter, the optical receiver and the circuit board are assembled together and integrally mounted into the housing.
According to another exemplary embodiment of the present invention, the blood leakage detecting device further includes a light-shielding sliding cover, the light-shielding sliding cover is installed in a manner of sliding back and forth between the bracket and the housing, for opening and closing the top opening of the accommodation groove portion.
According to another exemplary embodiment of the present invention, a notch corresponding to the receiving groove portion on the holder is formed on the housing, and the catheter can be placed into the receiving groove portion via the notch.
In each of the foregoing exemplary embodiments of the present invention, the blood leakage detecting device can be applied to catheters of different outer diameters, and therefore, it is not necessary to provide a plurality of blood leakage detecting devices respectively matched with the catheters of different outer diameters, which reduces the cost.
Furthermore, in some exemplary embodiments of the present invention, the optical transmitter and the optical receiver are mounted and fixed on the bracket, thereby fixing the distance between the optical transmitter and the optical receiver and ensuring the same optical loss.
Further, in some of the foregoing exemplary embodiments of the present invention, the circuit board is mounted and fixed to the bracket, so that the bracket, the optical transmitter, the optical receiver and the circuit board are assembled together into an integrated functional module, which can be integrally mounted into the housing.
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Drawings
Fig. 1 shows a schematic perspective view of a blood leakage detection device according to an exemplary embodiment of the present invention;
FIG. 2 shows a cross-sectional view of the blood leakage detection device shown in FIG. 1;
fig. 3 shows a cross-sectional view of the positioning portion of the blood leakage detection apparatus shown in fig. 2.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to the utility model discloses a general technical concept provides a blood leakage detection device, include: a housing; a holder installed in the housing, and formed with a receiving groove portion for receiving a catheter; a light emitter mounted on the bracket and located at one side of the receiving groove part; and a light receiver mounted on the bracket and located at the other side of the receiving groove portion. The positioning parts are respectively formed on the inner walls of the two sides of the shell and provided with positioning holes for positioning the liquid guide pipes, and the positioning holes of the positioning parts are designed to be suitable for positioning the liquid guide pipes with different outer diameters.
Fig. 1 shows a schematic perspective view of a blood leakage detection device according to an exemplary embodiment of the present invention; fig. 2 shows a cross-sectional view of the blood leakage detection apparatus shown in fig. 1.
As shown in fig. 1 and 2, in the illustrated embodiment, the blood leakage detection apparatus mainly includes: the device comprises a shell 10, a bracket 20, a light emitter 1 and a light receiver 2. The holder 20 is mounted in the housing 10, and is formed with a receiving groove portion 20c for receiving the catheter 3. The light emitter 1 is mounted on the bracket 20 and is located at one side of the accommodation groove portion 20 c. The light receiver 2 is mounted on the bracket 20 and is located at the other side of the accommodation groove portion 20 c. The light emitted from the light emitter 1 is incident on the light receiver 2 after passing through the blood in the catheter 3 in the accommodation groove part 20c and is received by the light receiver 2.
As shown in fig. 1 and 2, in the illustrated embodiment, one positioning portion 12 is formed on each of the inner walls of both sides of the housing 10. The catheter 3 is held and positioned in the positioning portion 12 of the housing 10 and passes through the accommodation groove portion 20c on the holder 20.
Fig. 3 shows a cross-sectional view of the positioning portion of the blood leakage detection apparatus shown in fig. 2.
As shown in fig. 1 to 3, in the illustrated embodiment, the height dimension H of the positioning hole of the positioning portion 12 in the vertical direction is larger than the width dimension W thereof in the horizontal direction. Therefore, the positioning hole of the positioning portion 12 can hold and position the catheter 3 of different outer diameters as long as the outer diameter D of the catheter 3 satisfies the following numerical range: w is less than or equal to D < H.
As shown in fig. 1 to 3, in the illustrated embodiment, the positioning hole of the positioning portion 12 has an elliptical shape, and the length of the minor axis of the elliptical positioning hole is equal to the width dimension W. Therefore, when the outer diameter D of the catheter 3 is larger than the width dimension W of the positioning hole of the positioning portion 12, the catheter 3 is crushed and deformed, and is held and positioned on the positioning portion 12 of the housing 10.
As shown in fig. 1 to 3, in the illustrated embodiment, the height dimension H and the width dimension W of the positioning hole can be changed by appropriately adjusting the wall thickness of the positioning portion 12 of the housing 10 to be suitable for the catheter 3 of different outer diameters.
As shown in fig. 1 to 3, in an exemplary embodiment of the present invention, the outer diameters of the catheters 3 with different outer diameters are within a range of 4 to 8 mm. At this time, the width dimension W of the positioning hole of the positioning portion 12 is equal to 4mm, and the height dimension H of the positioning hole of the positioning portion 12 is larger than 8 mm.
In another exemplary embodiment of the present invention, as shown in fig. 1 to 3, the outer diameter of the catheter 3 having different outer diameters is within a range of 4 to 5 mm. At this time, the width dimension W of the positioning hole of the positioning portion 12 is equal to 4mm, and the height dimension H of the positioning hole of the positioning portion 12 is greater than 5 mm.
In another exemplary embodiment of the present invention, as shown in fig. 1 to 3, the outer diameter of the catheter 3 having different outer diameters is within a range of 6 to 8 mm. At this time, the width dimension W of the positioning hole of the positioning portion 12 is equal to 6mm, and the height dimension H of the positioning hole of the positioning portion 12 is larger than 8 mm.
As shown in fig. 1 to 3, in the illustrated embodiment, the arc-shaped outer wall of the positioning portion 12 is in contact with the arc-shaped inner wall of the accommodation groove portion 20c of the bracket 20 to position the accommodation groove portion 20c of the bracket 20 such that the distance between the optical transmitter 1 and the optical receiver 2 located at both sides of the accommodation groove portion 20c is maintained constant. Therefore, the distance between the optical transmitter 1 and the optical receiver 2 is fixed, ensuring the same optical loss.
As shown in fig. 1 to 3, in the illustrated embodiment, a first mounting structure 21 for mounting the light emitter 1 and a second mounting structure 22 for mounting the light receiver 2 are formed on the bracket 20. The optical transmitter 1 is fixed and positioned on the first mounting structure 21 and the optical receiver 2 is fixed and positioned on the second mounting structure 22.
As shown in fig. 1 to 3, in the illustrated embodiment, the optical transmitter 1 is aligned with the optical receiver 2 when the optical transmitter 1 and the optical receiver 2 are mounted to the first mounting structure 21 and the second mounting structure 22, respectively.
As shown in fig. 1 to 3, in the illustrated embodiment, the blood leakage detecting device further includes a circuit board 30, and the circuit board 30 is fixed to the bottom of the holder 20 and is mounted in the housing 10 together with the holder 20.
As shown in fig. 1 to 3, in the illustrated embodiment, a plurality of positioning posts 20a are formed at the bottom of the bracket 20, and the plurality of positioning posts 20a are respectively inserted into a plurality of insertion holes on the circuit board 30 in an interference fit manner to fix the circuit board 30 to the bracket 20.
As shown in fig. 1 to 3, in the illustrated embodiment, the pin 1a of the optical transmitter 1 and the pin 2a of the optical receiver 2 are electrically connected to the circuit board 30, respectively.
As shown in fig. 1 to 3, in the illustrated embodiment, the bracket 20, the optical transmitter 1, the optical receiver 2, and the circuit board 30 are assembled together and integrally mounted into the housing 10.
As shown in fig. 1 to 3, in the illustrated embodiment, the blood leakage detecting device further includes a light blocking slide cover 40, and the light blocking slide cover 40 is slidably installed back and forth between the holder 20 and the housing 10 for opening and closing the top opening of the accommodation groove portion 20 c.
As shown in fig. 1 to 3, in the illustrated embodiment, the light blocking slide cover 40 has a plate-shaped main body portion and an upwardly convex operation portion 41 formed on the plate-shaped main body portion, an opening 13 is formed on a top wall of the housing 10, and the operation portion 41 is exposed through the opening 13, so that the light blocking slide cover 40 can be opened or closed by pushing the operation portion 41.
As shown in fig. 1 to 3, in the illustrated embodiment, a notch 11 corresponding to the accommodation groove portion 20c on the holder 20 is formed on the housing 10, and the catheter 3 can be placed into the accommodation groove portion 20c via the notch 11.
It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.
Claims (15)
1. A blood leak detection device comprising:
a housing (10);
a holder (20) mounted in the housing (10) and formed with a receiving groove portion (20c) for receiving a catheter (3);
a light emitter (1) mounted on the bracket (20) and located at one side of the accommodation groove portion (20 c); and
a light receiver (2) mounted on the bracket (20) and located at the other side of the accommodation groove portion (20c),
the method is characterized in that:
the inner walls of the two sides of the shell (10) are respectively provided with a positioning part (12), the positioning parts (12) are provided with positioning holes for positioning the liquid guide pipes (3), and the positioning holes of the positioning parts (12) are designed to be suitable for positioning the liquid guide pipes (3) with different outer diameters.
2. The blood leakage detection device according to claim 1, wherein:
the height dimension H of the positioning hole of the positioning part (12) in the vertical direction is larger than the width dimension W of the positioning hole in the horizontal direction, and the outer diameter D of the liquid guide pipe (3) with different outer diameters meets the following numerical range: w is less than or equal to D < H.
3. The blood leakage detection device according to claim 1, wherein:
the positioning hole of the positioning part (12) is oval, and the length of the minor axis of the oval positioning hole is equal to the width dimension W.
4. The blood leakage detection device according to claim 2, wherein:
the outer diameters of the liquid guide pipes (3) with different outer diameters are within the range of 4-8 mm, the width dimension W of the positioning hole of the positioning part (12) is equal to 4mm, and the height dimension H of the positioning hole of the positioning part (12) is larger than 8 mm.
5. The blood leakage detection device according to claim 2, wherein:
the outer diameters of the liquid guide pipes (3) with different outer diameters are within the range of 4-5 mm, the width dimension W of the positioning hole of the positioning part (12) is equal to 4mm, and the height dimension H of the positioning hole of the positioning part (12) is larger than 5 mm.
6. The blood leakage detection device according to claim 2, wherein:
the outer diameters of the liquid guide pipes (3) with different outer diameters are within the range of 6-8 mm, the width dimension W of the positioning hole of the positioning part (12) is equal to 6mm, and the height dimension H of the positioning hole of the positioning part (12) is larger than 8 mm.
7. The blood leakage detection device according to claim 1, wherein:
the arc-shaped outer wall of the positioning part (12) is in contact with the arc-shaped inner wall of the accommodating groove part (20c) of the bracket (20) to position the accommodating groove part (20c) of the bracket (20) so that the distance between the light emitter (1) and the light receiver (2) positioned at both sides of the accommodating groove part (20c) is kept constant.
8. The blood leakage detection device according to claim 1, wherein:
a first mounting structure (21) for mounting the light emitter (1) and a second mounting structure (22) for mounting the light receiver (2) are formed on the bracket (20);
the optical transmitter (1) is fixed and positioned on the first mounting structure (21) and the optical receiver (2) is fixed and positioned on the second mounting structure (22).
9. The blood leakage detection device according to claim 8, wherein:
the light emitter (1) is aligned with the light receiver (2) when the light emitter (1) and the light receiver (2) are mounted to the first mounting structure (21) and the second mounting structure (22), respectively.
10. The blood leakage detection device according to claim 1, wherein:
the blood leakage detection device further includes a circuit board (30), the circuit board (30) being fixed to the bottom of the holder (20) and being mounted in the housing (10) together with the holder (20).
11. The blood leakage detection device according to claim 10, wherein:
a plurality of positioning columns (20a) are formed at the bottom of the support (20), and the positioning columns (20a) are respectively inserted into a plurality of insertion holes on the circuit board (30) in an interference fit mode so as to fix the circuit board (30) on the support (20).
12. The blood leakage detection device according to claim 10, wherein:
the pins (1a) of the optical transmitter (1) and the pins (2a) of the optical receiver (2) are electrically connected to the circuit board (30), respectively.
13. The blood leakage detection device according to claim 10, wherein:
the bracket (20), the light emitter (1), the light receiver (2), and the circuit board (30) are assembled together and integrally mounted into the housing (10).
14. The blood leakage detection device according to claim 1, wherein:
the blood leakage detection device further comprises a light-shielding sliding cover (40), wherein the light-shielding sliding cover (40) is arranged between the bracket (20) and the shell (10) in a front-back sliding mode and is used for opening and closing the top opening of the accommodating groove part (20 c).
15. The blood leakage detection device according to claim 1, wherein:
a notch (11) corresponding to a receiving groove section (20c) on the holder (20) is formed on the housing (10), and the catheter (3) can be placed into the receiving groove section (20c) through the notch (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022794238.XU CN214040500U (en) | 2020-11-27 | 2020-11-27 | Blood leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022794238.XU CN214040500U (en) | 2020-11-27 | 2020-11-27 | Blood leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214040500U true CN214040500U (en) | 2021-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022794238.XU Active CN214040500U (en) | 2020-11-27 | 2020-11-27 | Blood leakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214040500U (en) |
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2020
- 2020-11-27 CN CN202022794238.XU patent/CN214040500U/en active Active
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