CN215605715U

CN215605715U - Zero-pressure relieving fingertip oximeter

Info

Publication number: CN215605715U
Application number: CN202122276401.8U
Authority: CN
Inventors: 彭善德
Original assignee: Shenzhen Yimi Life Technology Co ltd
Current assignee: Shenzhen Yimi Life Technology Co ltd
Priority date: 2021-09-20
Filing date: 2021-09-20
Publication date: 2022-01-25
Anticipated expiration: 2031-09-20

Abstract

The utility model discloses a zero-pressure relaxation type fingertip oximeter, which belongs to the field of oximeters and solves the problems that in the prior art, the clamping force of the oximeters to the fingers of a patient is constant, the fingers of the patient are clamped too tightly to generate clamping marks, so that the fingers of the patient are uncomfortable, and the fingers of the patient are clamped too thick to be loosened easily, so that the oximeters are easy to fall off from the fingers of the patient; the clamp cover carries out the centre gripping with the expansion of lower clamp cover to patient's finger through aerifing the messenger to after the centre gripping patient indicates, the air that the continuation operation produced is greater than the default, can automatic outside discharge promptly, and the clamping-force that makes patient indicate to receive remains the default at the comfort preferred all the time, and in addition, different patients ' finger thickness is different, and the clamping-force default that receives the comfort preferred is also different, can adjust the default according to patient's finger thickness.

Description

Zero-pressure relieving fingertip oximeter

Technical Field

The utility model belongs to the field of medical instruments, particularly relates to the field of oximeters, and particularly relates to a zero-pressure relieving fingertip oximeter.

Background

The blood oxygen saturation is the percentage of the volume of oxyhemoglobin combined with oxygen in blood to the volume of total combinable hemoglobin, is a very important physiological parameter in a respiratory circulation system, is one of important basic data in clinical medical treatment, and is generally measured by an oximeter.

SUMMERY OF THE UTILITY MODEL

The utility model provides a zero-pressure comfortable fingertip oximeter, which aims to solve the problems that in the prior art, the clamping force of the oximeter to a finger of a patient is constant, the clamping of the finger of the patient is too tight when the finger of the patient is too thin, so that clamping marks are generated, the finger of the patient is uncomfortable, and the clamping of the finger of the patient is easy to loosen when the finger of the patient is too thick, so that the oximeter is easy to fall off from the finger of the patient.

The purpose of the utility model can be realized by the following technical scheme:

a zero-pressure relieving fingertip oximeter comprises an oximeter body, wherein the oximeter body comprises a clamping plate group, the clamping plate group comprises a clamping plate a and a clamping plate b which are hinged, clamping blocks are arranged on the opposite side surfaces of the clamping plate a and the clamping plate b, and the opposite side surfaces of the two clamping blocks are of cambered surface structures;

the clamping plate group is provided with a clamping component, a detection component, a power component and a sensing component, the clamping component is used for carrying out self-adaptive clamping on the finger of a patient, the detection component is used for carrying out self-adaptive detection on the finger of the patient, the power component is used for providing aerodynamic force for the self-adaptive process of the clamping component and the detection component, and the sensing component is used for clamping the finger of the patient through the clamping component and cutting off the aerodynamic force provided by the power component after the detection component is contacted with the finger of the patient.

Preferably, a support frame is arranged on the side surface of the clamping plate a, which is far away from the clamping plate b, and the power component is arranged on the support frame;

the power component comprises a cylinder shell with an opening at one end and a closed end, a piston is arranged in the cylinder shell in a sliding mode, and one end of the piston extends out of the cylinder shell;

the support frame is also provided with a guide rod a and a threaded rod a, the extension direction of which is parallel to the extension direction of the cylinder shell, the piston is in sliding connection with the guide rod a, and the piston is in threaded connection with the threaded rod a;

the blind end of section of thick bamboo shell is connected with the connecting pipe, and the external connection of connecting pipe has induction pipe and intake pipe.

Preferably, a check valve for driving outside air to flow in a one-way manner into the air inlet pipe is arranged in the air inlet pipe.

Preferably, the induction component is installed in the induction pipe and comprises a valve casing with openings at two ends, the valve casing is axially divided into a circular truncated cone section and a cylindrical section, the large end of the circular truncated cone section is connected with the cylindrical section, the small end of the circular truncated cone section is connected with the induction pipe, a sliding plate is arranged in the cylindrical section in a sliding mode, a plurality of vent holes are formed in the sliding plate, a spherical valve core is arranged in the circular truncated cone section, and a spring for driving the valve core to block the small end of the circular truncated cone section through elasticity is arranged between the valve core and the sliding plate;

the cylindrical section is internally provided with a connecting frame positioned on one side of the sliding plate, which is far away from the valve core, a guide rod b and a threaded rod b are arranged on the connecting frame, the extending direction of the guide rod b and the threaded rod b are parallel to the axial direction of the valve shell, the sliding plate is in sliding connection with the guide rod b, and the sliding plate is in threaded connection with the threaded rod b.

Preferably, the clamping component comprises a clamping sleeve group, the clamping sleeve group consists of clamping sleeves arranged on the opposite cambered surfaces of the two groups of clamping blocks, the clamping sleeves are arc-shaped and made of elastic materials, and the two groups of clamping sleeves are an upper clamping sleeve and a lower clamping sleeve respectively;

the clamping sleeve sets are provided with two groups along the extension direction of the clamping plate group, the upper clamping sleeves in the two groups of clamping sleeve sets are communicated through a vent pipe a, and the lower clamping sleeves in the two groups of clamping sleeve sets are communicated through a vent pipe b;

the connecting pipe, the vent pipe a and the vent pipe b are communicated through a communicating pipe.

Preferably, the detection member comprises a sliding rod, the sliding rod is slidably mounted on the support frame, the extending direction of the sliding rod is perpendicular to the side face of the support frame on which the clamping plate a is arranged, one end of the sliding rod is provided with a limit nut, the other end of the sliding rod extends into the area between the two groups of clamping blocks, the end of the sliding rod is provided with a mounting plate, and a detection element for performing blood oxygen detection on a patient is mounted on the mounting plate;

the detection component further comprises a fixed pipe and a movable pipe, one end of the fixed pipe is connected and communicated with the connecting pipe, the other end of the fixed pipe extends into an area between the two groups of clamping blocks, one end of the movable pipe is slidably located in the fixed pipe, and the other end of the movable pipe is installed on the installation plate.

Compared with the prior art, the utility model has the beneficial effects that:

this scheme is through aerifing the messenger and go up the cover and press from both sides the inflation of cover and carry out the self-adaptation centre gripping to patient's finger down, and after the patient finger is gripped, the air that the continuation operation produced is greater than the default, can be automatically outwards discharged promptly, when making patient's finger by stable centre gripping in oximeter, the clamping-force that patient's finger received remains the default at the comfort preferred all the time, in addition, different patients ' finger thickness is different, the clamping-force default that receives the comfort preferred is also different, can adjust the default according to patient's finger thickness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the construction of the clamping plate set of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic structural view of a power member of the present invention;

FIG. 5 is a schematic view of the check valve, the connecting tube, and the sensing member of the present invention;

FIG. 6 is a cross-sectional view of a sensing member of the present invention;

FIG. 7 is a schematic view of a clamping member according to the present invention;

FIG. 8 is a schematic structural diagram of a detecting member according to the present invention.

Reference numerals:

10. a clamping plate group; 11. a splint a; 12. a clamping plate b; 13. a clamping block; 20. a clamping member; 21. an upper jacket; 22. a lower jacket; 23. a breather pipe a; 24. a breather pipe b; 25. a communicating pipe; 30. a detecting member; 31. a slide bar; 32. mounting a plate; 33. a fixed tube; 34. a movable tube; 40. a power member; 41. a cartridge housing; 42. a guide rod a; 43. a threaded rod a; 44. a piston; 45. a connecting pipe; 46. an induction tube; 47. an air inlet pipe; 50. an induction member; 51. a valve housing; 52. a slide plate; 53. a valve core; 54. a spring; 55. a guide rod b; 56. a threaded rod b; 60. a one-way valve.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, a zero-pressure relaxation fingertip oximeter comprises an oximeter body, the oximeter body comprises a splint group 10, and the splint group 10 comprises two groups of splints connected in a hinged manner: the oximeter body is made of a clamping plate a11 and a clamping plate b12, which are conventional technologies, and the detailed description of the other structures of the oximeter body is omitted here.

The clamping blocks 13 are arranged on the opposite side surfaces of the clamping plate a11 and the clamping plate b12, and the opposite side surfaces of the two groups of clamping blocks 13 are of cambered surface structures.

The clamping plate group 10 is provided with a clamping member 20, a detecting member 30, a power member 40 and a sensing member 50, wherein the clamping member 20 is used for carrying out adaptive clamping on the finger of a patient, the detecting member 30 is used for carrying out adaptive detection on the finger of the patient, the power member 40 is used for providing pneumatic force for the adaptive process of the clamping member 20 and the detecting member 30, and the sensing member 50 is used for cutting off the pneumatic force provided by the power member 40 after the clamping member 20 clamps the finger of the patient and the detecting member 30 is in contact with the finger of the patient.

As shown in fig. 3-4, the side of the clamping plate a11 facing away from the clamping plate b12 is provided with a support frame on which the power member 40 is mounted, the support frame being composed of a plurality of sets of support plates.

The power member 40 includes a cylinder case 41 with one open end and one closed end, a piston 44 is slidably disposed in the cylinder case 41, and one end of the piston 44 extends out of the cylinder case 41.

The supporting frame is also provided with a guide rod a42 and a threaded rod a43, the extending direction of the guide rod a42 is parallel to the extending direction of the cylinder shell 41, the piston 44 is connected with the guide rod a42 in a sliding mode and is also connected with the threaded rod a43 in a threaded mode, and the piston 44 can be pulled to slide in the cylinder shell 41 by the rotation of the threaded rod a 43.

The closed end of the cylindrical shell 41 is connected with a connecting pipe 45, the outside of the connecting pipe 45 is connected with a sensing pipe 46 and an air inlet pipe 47, and the piston 44 slides in the cylindrical shell 41 to enable air to flow into the connecting pipe 45 and provide pneumatic power for the clamping component 20 and the detecting component 30 or suck air through the connecting pipe 45 and recover the pneumatic power.

As shown in fig. 5, a check valve 60 for driving the outside air to flow into the air inlet pipe 47 in a one-way manner is disposed in the air inlet pipe 47, and when the air pressure in the connecting pipe 45 is lower than the outside atmospheric pressure, the air pressure difference drives the outside air to flow into the air inlet pipe 47 and the connecting pipe 45 in a one-way manner through the check valve 60.

The sensing member 50 is mounted within the sense tube 46.

As shown in fig. 6, the sensing member 50 includes a valve housing 51 with openings at two ends, the valve housing 51 is divided into a circular truncated cone section and a cylindrical section along the axial direction, the large end of the circular truncated cone section is connected with the cylindrical section, the small end of the circular truncated cone section is connected with the sensing tube 46, a sliding plate 52 is slidably disposed in the cylindrical section, a plurality of vent holes are disposed on the sliding plate 52, a spherical valve core 53 is disposed in the circular truncated cone section, and a spring 54 for elastically urging the valve core 53 to close the small end of the circular truncated cone section is disposed between the valve core 53 and the sliding plate 52.

The cylindrical section is internally provided with a connecting frame positioned on one side of the sliding plate 52, which is far away from the valve core 53, and a guide rod b55 and a threaded rod b56, the extending direction of which is parallel to the axial direction of the valve shell 51, are arranged on the connecting frame, wherein the sliding plate 52 is in sliding connection with the guide rod b55, and is also in threaded connection with the threaded rod b56, the threaded rod b56 rotates to drive the sliding plate 52 to slide in the cylindrical section, the cylindrical section is made of transparent material, the surface of the cylindrical section is provided with scale values, and the position of the sliding plate 52 in the cylindrical section can be adjusted according to the scale values.

In the process that the power component 40 provides pneumatic power for the clamping component 20 and the detection component 30, the sensing component 50 is not triggered, when the clamping component 20 clamps the finger of the patient, after the detection component 30 is in contact with the finger of the patient, the pneumatic power, namely, air can be accumulated in the connecting pipe 45, when the accumulated value is larger than a preset value, the air pressure in the connecting pipe 45 drives the valve core 53 to overcome the elastic force of the spring 54, the small end of the circular truncated cone section is opened, the air is discharged to the outside through the valve casing 51, so that the air pressure in the connecting pipe 45 is always in the preset value, and therefore when the operation is not correct, the situation that the clamping component 20 and the detection component 30 always press the finger of the patient to cause discomfort of the finger of the patient is avoided.

As shown in fig. 7, the clamping member 20 includes a clamping set, which is composed of two sets of clamping blocks 13 mounted on the opposite arc surfaces of the clamping block, the clamping set is arc-shaped and made of elastic material, such as rubber or silica gel, and the two sets of clamping sets are: an upper jacket 21 and a lower jacket 22.

The clamping sets are arranged in two groups along the extending direction of the clamping set 10.

The upper jackets 21 in the two sets of jacket sets are connected and communicated through a vent pipe a23, and the lower jackets 22 in the two sets of jacket sets are connected and communicated through a vent pipe b 24.

The connecting pipe 45, the vent pipe a23 and the vent pipe b24 are connected and communicated through a communication pipe 25.

The pneumatic force provided by the power member 40, i.e. air, flows into the upper and

lower jackets

21, 22 of the two sets of splint groups through the connecting tube 45, the communicating tube 25, the air tube a23, and the air tube b24, so that the upper and

lower jackets

21, 22 are inflated to flexibly grip the fingers of the patient inserted into the splint group 10.

As shown in fig. 8, the detecting member 30 includes a sliding rod 31, the sliding rod 31 is slidably mounted on the supporting frame, and the extending direction of the sliding rod 31 is perpendicular to the side surface of the splint a11 where the supporting frame is disposed, one end of the sliding rod 31 is provided with a stop nut, the other end of the sliding rod 31 extends into the area between the two sets of clamping blocks 13 and is provided with a mounting plate 32, and the mounting plate 32 is mounted with a detecting element for performing blood oxygen detection on a patient.

The detecting member 30 further includes a fixed tube 33 and a movable tube 34, wherein one end of the fixed tube 33 is connected to the connecting tube 45, the other end extends into the region between the two sets of clamping blocks 13, one end of the movable tube 34 is slidably located in the fixed tube 33, and the other end is mounted on the mounting plate 32.

The pneumatic force provided by the power member 40, i.e. air, flows into the fixed tube 33 and the movable tube 34 through the connecting tube 45, so as to drive the mounting plate 32 to move close to the finger of the patient, and the detecting element is contacted with the finger of the patient while the clamping member 20 clamps the finger of the patient.

The working principle of the utility model is as follows:

the clamping plate group 10 is shifted to enable the two groups of clamping blocks 13 to be away from each other, the clamping plate group 10 is loosened after the fingers of the patient extend into the two groups of clamping blocks 13, and at the moment, the fingers of the patient are slightly clamped by an upper clamping sleeve 21 and a lower clamping sleeve 22 which are arranged on the clamping blocks 13;

then, the screw rod a43 is rotated to make the piston 44 slide in the cylinder 41 close to the closed end of the cylinder 41, so that the air flows into the upper jacket 21 and the lower jacket 22 of the two sets of jacket sets through the connecting pipe 45, the communicating pipe 25, the air pipe a23 and the air pipe b24, the upper jacket 21 and the lower jacket 22 are inflated and expanded to flexibly clamp the finger of the patient, meanwhile, the air also flows into the fixed pipe 33 and the movable pipe 34 through the connecting pipe 45, so that the mounting plate 32 is driven to move close to the finger of the patient, and the detection element is contacted with the finger of the patient while the clamping member 20 clamps the finger of the patient;

then, the rotation of the threaded rod a43 is stopped, if the threaded rod a43 continues to rotate due to careless operation, the air amount accumulated in the connecting pipe 45 is larger than the preset value, the air pressure in the connecting pipe 45 drives the valve core 53 to overcome the elastic force of the spring 54, the small end of the circular truncated cone section is opened, the air is discharged to the outside through the valve casing 51, so that the air pressure in the connecting pipe 45 is always in the preset value, and the situation that the fingers of the patient are pressed all the time by the clamping member 20 and the detection member 30 to cause discomfort of the fingers of the patient is avoided, wherein the preset value can be changed according to the position of the adjusting slide plate 52 in the valve casing 51;

after the blood oxygen detection is finished, the clamping of the finger of the patient can be released by reversely rotating the threaded rod a 43.

In addition, when the air loss in the connection pipe 45 is too much smaller than the atmospheric pressure, the air pressure difference drives the outside air to flow to the air inlet pipe 47 and the connection pipe 45 in one direction through the check valve 60.

In the embodiments provided by the present invention, it should be understood that the disclosed apparatus, device and method can be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is only one logical functional division, and there may be other divisions when the actual implementation is performed; the modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the method of the embodiment.

It will also be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.

Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the system claims may also be implemented by one unit or means in software or hardware. The terms second, etc. are used to denote self-contained vehicular sound collection devices and do not denote any particular order.

Finally, it should be noted that the above examples are only intended to illustrate the technical process of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical process of the present invention without departing from the spirit and scope of the technical process of the present invention.

Claims

1. A zero-pressure relieving fingertip oximeter comprises an oximeter body, wherein the oximeter body comprises a splint group (10), the splint group (10) comprises a splint a (11) and a splint b (12) which are hinged, and the oximeter is characterized in that clamping blocks (13) are arranged on the opposite side surfaces of the splint a (11) and the splint b (12), and the opposite side surfaces of the two groups of clamping blocks (13) are of cambered surface structures;

the clamp plate group (10) is provided with a clamping component (20), a detection component (30), a power component (40) and a sensing component (50), the clamping component (20) is used for carrying out self-adaptive clamping on the fingers of a patient, the detection component (30) is used for carrying out self-adaptive detection on the fingers of the patient, the power component (40) is used for providing aerodynamic force for the self-adaptive process of the clamping component (20) and the detection component (30), and the sensing component (50) is used for cutting off the aerodynamic force provided by the power component (40) after the clamping component (20) clamps the fingers of the patient and the detection component (30) is in contact with the fingers of the patient.

2. The zero-pressure relaxation type fingertip oximeter according to claim 1, wherein a support is provided on a side of the splint a (11) facing away from the splint b (12), and the power member (40) is mounted on the support;

the power component (40) comprises a cylinder shell (41) with an opening at one end and a closed end, a piston (44) is arranged in the cylinder shell (41) in a sliding mode, and one end of the piston (44) extends out of the cylinder shell (41);

the support frame is also provided with a guide rod a (42) and a threaded rod a (43) with the extending direction parallel to the extending direction of the cylinder shell (41), the piston (44) is in sliding connection with the guide rod a (42), and the piston (44) is in threaded connection with the threaded rod a (43);

the closed end of the cylinder shell (41) is connected with a connecting pipe (45), and the outside of the connecting pipe (45) is connected with an induction pipe (46) and an air inlet pipe (47).

3. The zero-pressure relaxation type fingertip oximeter according to claim 2, wherein a one-way valve (60) for driving the outside air to flow into the air inlet tube (47) in one way is arranged in the air inlet tube (47).

4. The zero-pressure relaxation type fingertip oximeter according to claim 2, wherein the sensing member (50) is installed in the sensing tube (46), the sensing member (50) comprises a valve casing (51) with openings at two ends, the valve casing (51) is axially divided into a circular truncated cone section and a cylindrical section, the large end of the circular truncated cone section is connected with the cylindrical section, the small end of the circular truncated cone section is connected with the sensing tube (46), a sliding plate (52) is slidably arranged in the cylindrical section, a plurality of vent holes are formed in the sliding plate (52), a spherical valve core (53) is arranged in the circular truncated cone section, and a spring (54) for driving the valve core (53) to plug the small end of the circular truncated cone section through elasticity is arranged between the valve core (53) and the sliding plate (52);

the cylindrical section is internally provided with a connecting frame positioned on one side of the sliding plate (52) departing from the valve core (53), the connecting frame is provided with a guide rod b (55) and a threaded rod b (56) which extend in a direction parallel to the axial direction of the valve shell (51), the sliding plate (52) is in sliding connection with the guide rod b (55), and the sliding plate (52) is in threaded connection with the threaded rod b (56).

5. The zero-pressure relaxation type fingertip oximeter according to claim 2, wherein the holding member (20) comprises a set of holders, the set of holders is composed of holders installed on the facing arc surfaces of two sets of clamping blocks (13), the holders are arc-shaped and made of elastic material, and the two sets of holders are an upper holder (21) and a lower holder (22), respectively;

the clamping sets are arranged in two groups along the extension direction of the clamping plate group (10), the upper clamping sleeves (21) in the two groups of clamping sets are communicated through a vent pipe a (23), and the lower clamping sleeves (22) in the two groups of clamping sets are communicated through a vent pipe b (24);

the connecting pipe (45), the vent pipe a (23) and the vent pipe b (24) are communicated through a communicating pipe (25).

6. The zero-pressure relieving fingertip oximeter according to claim 2, wherein the detecting member (30) comprises a sliding rod (31), the sliding rod (31) is slidably mounted on the supporting frame, the extending direction of the sliding rod (31) is perpendicular to the side surface of the clamping plate a (11) where the supporting frame is arranged, one end of the sliding rod (31) is provided with a limiting nut, the other end of the sliding rod extends into the area between the two sets of clamping blocks (13) and is provided with a mounting plate (32), and the mounting plate (32) is provided with a detecting element for performing blood oxygen detection on the patient;

the detection component (30) further comprises a fixed pipe (33) and a movable pipe (34), one end of the fixed pipe (33) is connected and communicated with the connecting pipe (45), the other end of the fixed pipe extends into an area between the two groups of clamping blocks (13), one end of the movable pipe (34) is located in the fixed pipe (33) in a sliding mode, and the other end of the movable pipe is installed on the installation plate (32).