CN215227650U

CN215227650U - Blood oxygen detection ring, blood oxygen measuring instrument and monitoring system

Info

Publication number: CN215227650U
Application number: CN202120261631.4U
Authority: CN
Inventors: 郑辉
Original assignee: Wuhan United Imaging Zhirong Medical Technology Co Ltd
Current assignee: Wuhan United Imaging Zhirong Medical Technology Co Ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-12-21
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to a blood oxygen detects ring, oximetry appearance and monitored control system, blood oxygen detects the ring including wearing casing, blood oxygen module and liner. The wearing shell is annular, and the inner side of the wearing shell is provided with an accommodating groove. The blood oxygen module sets up in wearing the casing, and the blood oxygen module sets up in holding the recess for measure the oxyhemoglobin saturation of blood in the person's that awaits measuring finger. The liner is arranged on the inner side of the wearing shell and is opposite to the accommodating groove, and the liner keeps the wearing shell in close contact with fingers of a person to be tested. Above-mentioned blood oxygen detects ring, oximetry appearance and monitored control system, the blood oxygen module sets up on wearing the casing, and the finger of waiting to survey person stretches into and wears the casing and can be in the measuring distance of blood oxygen module behind. Simultaneously the liner is used for keeping wear the casing and the in close contact with of person's finger that awaits measuring, holds the shape that the recess can adapt to the finger and indicate the abdomen to avoid the interference of external environment light, guarantee to measure the measurement accuracy of blood oxygen module based on optical principle measurement oxyhemoglobin saturation.

Description

Blood oxygen detection ring, blood oxygen measuring instrument and monitoring system

Technical Field

The utility model relates to the technical field of medical equipment, especially relate to blood oxygen detection ring, oximetry and monitored control system.

Background

The blood oxygen saturation is one of the clinical key physiological parameters, and currently, the blood oxygen saturation is generally measured by adopting an oximeter applying the photoelectric principle. When the blood oxygen measuring instrument is used, the common measurement part is a finger, namely, a light emitting element and a receiving element in the blood oxygen probe respectively emit measurement light and receive the measurement light, and the blood oxygen host calculates the blood oxygen saturation of the person to be measured according to the comparison between the emitted measurement light and the received measurement light. The blood oxygen probe needs to keep the light emitting piece and the receiving piece in the environment without interference light respectively in the working process. The general blood oxygen probe is loosely combined with the finger, so that light leakage is easily caused, and particularly, the light leakage condition is more serious in the process of moving the finger of a person to be detected.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a ring for blood oxygen detection, an oximeter and a monitoring system capable of effectively avoiding ambient light interference for solving the problem of light leakage of a general blood oxygen probe in the using process.

A blood oxygen detection ring, comprising:

the wearing shell is annular, and an accommodating groove is formed in the inner side of the wearing shell;

the blood oxygen module is arranged in the accommodating groove and used for measuring the blood oxygen saturation of the blood in the finger of the person to be measured;

the pad is arranged on the inner side of the wearing shell and opposite to the accommodating groove, and the pad is used for keeping the wearing shell in close contact with the fingers of the person to be measured.

Above-mentioned blood oxygen detects ring, the blood oxygen module set up on wearing the casing, and the person's of awaiting measuring finger stretches into annular wearing and can be in the measuring distance of blood oxygen module behind the casing, and then realizes the basic function of oxyhemoglobin saturation measurement. Meanwhile, the pad is used for keeping the wearing shell in close contact with the finger of the person to be detected, so that the finger is more stably compressed by the blood oxygen detection finger ring. The accommodating groove can adapt to the shape of the finger abdomen, so that the interference of external environment light is avoided, and the measurement accuracy of the blood oxygen module for measuring the blood oxygen saturation based on the optical principle is ensured.

In one embodiment, the pad is detachably disposed inside the wearing case.

In one embodiment, the number of the pads is several, the thickness and/or radian of the pads are different, and each pad is respectively matched with fingers with different sizes.

In one embodiment, the gasket includes a compression patch that is arcuate or circular in shape.

In one embodiment, the blood oxygen module is a reflective measurement module, and the blood oxygen module is disposed at the bottom of the accommodating recess; blood oxygen detects ring still includes the printing opacity window sheet, the printing opacity window sheet set up in wear the casing, printing opacity window sheet cover is located the blood oxygen module.

In one embodiment, the wearing shell comprises an inner shell and an outer shell, the inner shell and the outer shell are respectively annular, and the inner shell is detachably arranged on the inner side of the outer shell; the accommodating groove is arranged on the inner shell.

In one embodiment, the inner shell comprises an upper inner shell and a lower inner shell, the upper inner shell and the lower inner shell are arranged in a ring shape in a surrounding mode, and the upper inner shell and the lower inner shell are respectively detachably arranged on the inner side of the outer shell; the blood oxygen module is arranged between the lower inner shell and the outer shell; the inner side of the lower inner shell is provided with an accommodating groove, and the gasket is arranged on the inner side of the upper inner shell.

In one embodiment, the blood oxygen detection ring further comprises a control module, and the control module is electrically connected with the blood oxygen module; the control module is arranged on the shell.

The utility model provides an oximeter, includes blood oxygen host computer and blood oxygen detection ring, blood oxygen detection ring with the blood oxygen host computer passes through wireless connection or wired connection's mode and connects, blood oxygen detection ring includes:

The utility model provides a monitoring system, includes blood pressure measuring apparatu and oximetry appearance, oximetry appearance includes blood oxygen host computer and blood oxygen detection ring, the blood oxygen detection ring with the blood oxygen host computer is connected, the blood oxygen detection ring includes:

Above-mentioned blood oxygen measuring apparatu and monitored control system, blood oxygen module set up on wearing the casing, and the person's of awaiting measuring finger stretches into annular wearing and can be in the measuring distance of blood oxygen module behind the casing, and then realizes the basic function of oxyhemoglobin saturation measurement. Meanwhile, the pad is used for keeping the wearing shell in close contact with the finger of the person to be detected, so that the finger is more stably compressed by the blood oxygen detection finger ring. The accommodating groove can adapt to the shape of the finger abdomen, so that the interference of external environment light is avoided, and the measurement accuracy of the blood oxygen module for measuring the blood oxygen saturation based on the optical principle is ensured.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a blood oxygen detection ring according to an embodiment of the present invention;

fig. 2 is a schematic view of an explosion structure of a blood oxygen detection ring according to an embodiment of the present invention;

fig. 3 is a schematic view of a ring part of a blood oxygen detection ring according to an embodiment of the present invention;

fig. 4 is a schematic view of a ring part of a blood oxygen detection ring according to another embodiment of the present invention;

fig. 5 is a schematic view of a blood oxygen detecting ring with multiple pads according to an embodiment of the present invention;

fig. 6 is a schematic view of a blood oxygen detecting ring with a saddle-shaped pad according to an embodiment of the present invention;

fig. 7 is a schematic view of a blood oxygen detection ring with a C-shaped pad according to an embodiment of the present invention;

fig. 8 is a schematic view of a blood oxygen detection ring with a ring-shaped pad according to an embodiment of the present invention.

Wherein: 10. a blood oxygen detection ring; 100. wearing the shell; 110. a housing; 120. an inner shell; 121. an upper inner shell; 122. a lower inner shell; 130. a top shell; 200. a blood oxygen module; 300. a liner; 310. pressing the lining; 320. mounting a boss; 400. an accommodating recess; 500. a light-transmitting window sheet; 600. a control module.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The utility model provides a blood oxygen detection ring for cooperate with blood oxygen host computer to measure the oxyhemoglobin saturation of person under test. In the use, blood oxygen detection ring can be worn on the person's of awaiting measuring finger, and the blood oxygen detection ring of being connected with the blood oxygen host computer can be handled and/or is shown measuring signal transmission to the blood oxygen host computer. Specifically, as shown in fig. 1-4, the blood oxygen detecting ring 10 includes a wearing housing 100, a blood oxygen module 200 and a fitting structure. The wearing shell 100 is a supporting structure of the whole blood oxygen detection ring 10, the wearing shell 100 is in a ring shape, and the wearing shell 100 allows the finger of the person to be measured to penetrate. The blood oxygen module 200 is a direct measurement part of the blood oxygen saturation of the person to be measured, the blood oxygen module 200 is disposed on the wearing case 100, and the blood oxygen module 200 is used for measuring the blood oxygen saturation of the blood in the finger of the person to be measured. The attachment structure is disposed on the wearing housing 100 and is used for keeping the blood oxygen module 200 in close contact with the attachment structure.

Above-mentioned blood oxygen detects ring 10, blood oxygen module 200 sets up on wearing casing 100, and the person's that awaits measuring finger stretches into annular wearing casing 100 and can be in blood oxygen module 200's measuring distance after, and then realizes the basic function that oxyhemoglobin saturation measured. And meanwhile, the attaching structure is used for keeping the close contact between the wearing shell 100 and the finger of the person to be measured, so that the interference of external environment light is avoided, and the measurement accuracy of the blood oxygen module 200 for measuring the blood oxygen saturation based on the optical principle is ensured.

Wear casing 100 and regard as the bearing structure of whole blood oxygen detection ring 10, its effect is to support blood oxygen module 200 and laminating structure, and then guarantee the accuracy of oxyhemoglobin saturation measurement. Optionally, the wearable housing 100 is of a unitary or split construction. As an implementation manner, the wearing shell 100 is a split structure, as shown in fig. 1 to 4, the wearing shell 100 includes an inner shell 120 and an outer shell 110, the inner shell 120 and the outer shell 110 are respectively in a ring shape, the inner shell 120 is detachably disposed inside the outer shell 110, and the inner shell 120 allows a finger of a person to be measured to penetrate. The split design of the outer shell 110 and the inner shell 120 facilitates the installation and fixation of the blood oxygen module 200 and the fitting structure. And set up the light trap on the inner shell 120, blood oxygen module 200 sets up between inner shell 120 and shell 110, and blood oxygen module 200 is relative with the light trap, and blood oxygen module 200 can be through the light trap transmission and/or receive the measuring light. Further, the ring 10 for blood oxygen detection further includes a transparent window 500, the transparent window 500 is disposed on the wearing case 100, the transparent window 500 is adapted to the transparent hole and seals the transparent hole, and the transparent window 500 is covered on the blood oxygen module 200. The transparent window 500 can ensure smooth transmission and/or reception of the measurement light, and can prevent the testee or other structures from contacting the blood oxygen module 200, thereby effectively protecting the blood oxygen module 200. Meanwhile, the attaching structure is disposed on the inner case 120.

It is to be understood that, in the above embodiment, the position of the light-transmitting hole and the light-transmitting window piece 500 corresponds to the finger pulp of the person to be measured. In an implementation manner, the blood oxygen module 200 may be transmissive or reflective. The following embodiments are described with reference to the blood oxygenation module 200. The reflective blood oxygen module 200 has the advantage of low power and has longer standby time. In an embodiment of the present invention, as shown in fig. 2 and 4, the inner shell 120 includes an upper inner shell 121 and a lower inner shell 122, the upper inner shell 121 and the lower inner shell 122 are surrounded to form a ring shape, and the upper inner shell 121 and the lower inner shell 122 are detachably disposed inside the outer shell 110 respectively. The blood oxygen module 200 is disposed between the lower inner housing 122 and the outer housing 110, and the light hole is formed on the lower inner housing 122 and is sealed by the light-transmitting window 500. In the process of assembling the blood oxygen detecting ring 10, the blood oxygen module 200 is first placed at the bottom of the outer shell 110, then the lower inner shell 122 and the upper inner shell 121 are sequentially installed, the upper inner shell 121 and the lower inner shell 122 are tightly pressed against each other, and the light-transmitting window 500 is installed at the light-transmitting hole.

The fitting structure is a key structure for ensuring the accurate measurement of the blood oxygen saturation. The utility model discloses an in the embodiment, laminated structure includes first laminating portion and second laminating portion, and first laminating portion and second laminating portion set up respectively in the inboard of wearing casing 100, and first laminating portion is used for compressing tightly the back of the finger that awaits measuring the person and indicates, and second laminating portion is used for compressing tightly the finger abdomen that awaits measuring the person and indicates. When the reflective blood oxygen module 200 is used, the blood oxygen module 200 is disposed near the second attaching portion. When the transmissive blood oxygen component is used, the blood oxygen module 200 is disposed between the first attaching portion and the second attaching portion, and the light emitting element of the blood oxygen module 200 is disposed near the second attaching portion and the light receiving element is disposed near the first attaching portion. The two fitting parts respectively press the fingers of the person to be measured from the finger back and the finger abdomen, thereby effectively avoiding light leakage at the blood oxygen module 200.

Optionally, the first attaching portion and the second attaching portion may be of a solid structure, or a structure of a hole or a groove formed in the solid structure, as long as the fingers can be pressed from the finger back and the finger belly respectively. In an embodiment of the present invention, as shown in fig. 1-2 and fig. 5, the first attaching portion includes a gasket 300, the gasket 300 is detachably disposed on the inner side of the casing 100, the second attaching portion is a receiving groove 400 disposed on the inner side of the casing 100, the receiving groove 400 is used for receiving the finger abdomen of the person to be measured, the receiving groove 400 can be one or more combinations of a rectangle, a circle, a sphere, a V-shape, a pyramid, etc., for example, the receiving groove 400 is a rectangle, and the bottom of the receiving groove 400 is designed to be a circular arc-shaped concave surface. The packing 300 is disposed opposite to the receiving groove 400, and the packing 300 is used to press the back of the finger of the subject. Specifically, the gasket 300 is fixed on the inner side of the upper inner shell 121, and grooves are respectively opened at positions of the outer shell 110 and the lower inner shell 122 opposite to the gasket 300, and the grooves on the lower inner shell 122 are received in the grooves of the outer shell 110 and jointly form the receiving groove 400. The blood oxygen module 200 is disposed between the bottom of the accommodating recess 400 of the outer shell 110 and the bottom of the accommodating recess 400 of the lower inner shell 122, and the bottom of the accommodating recess 400 of the lower inner shell 122 is provided with a light-transmitting hole and is closed by a light-transmitting window 500.

On the basis of the above embodiment, as shown in fig. 5, the first attaching portion includes a plurality of pads 300, the pads 300 have different thicknesses, widths, and/or radians, the pads 300 are detachably disposed on the inner side of the wearing shell 100, and each pad 300 is adapted to a finger with different size. Medical personnel can select suitable liner 300 according to the concrete size of the person's finger that awaits measuring, and then guarantee to wear the inseparable laminating of casing 100 and person's finger that awaits measuring. Further, the gasket 300 includes a mounting protrusion 320 and a pressing pad 310, the pressing pad 310 has an arc shape or a circular ring shape, and the mounting protrusion 320 is fixedly disposed at an edge of the pressing pad 310. The inner side of the wearing shell 100 is provided with a mounting groove, the mounting groove is matched with the mounting protrusion 320, and the mounting groove accommodates the mounting protrusion 320. For example, the pressing pad 310 has a saddle shape, a C shape, or a circular ring shape, and as shown in fig. 6 to 8, the number of the mounting protrusions 320 is four, and the four mounting protrusions 320 are spaced apart from each other to fix the pressing pad 310 together. Correspondingly, four adaptive mounting grooves are formed in the upper inner shell 121. In other embodiments, the gasket 300 may be of other configurations that provide a tightening function.

In the above embodiment, the pad 300 may be made of soft material such as silicon gel. The soft and replaceable pad 300 is adapted to the finger circumference of the finger, so that the finger can be comfortably and closely attached to the blood oxygen module 200. In addition, since the knuckles of the human body have a certain curvature at the pulp, the receiving groove 400 can effectively prevent the pulp from contacting well at the middle and having gaps at both sides. When the finger is worn, the finger belly of the finger sinks into the concave area, and light interference caused by the incidence of external environment light is effectively avoided. In other embodiments the liner 300 may also be a harder material. Meanwhile, the gasket 300 and the upper inner shell 121 may be bonded by glue or adhesive tape, or may be mechanically fixed by a fastener, a pin, a screw, or the like.

In an embodiment of the present invention, as shown in fig. 1-2 and fig. 4, the ring 10 for blood oxygen detection further includes a control module 600, and the control module 600 is electrically connected to the blood oxygen module 200. An opening structure is arranged on the housing 110, and the control module 600 is arranged at the opening of the housing 110. The wearable housing 100 further includes a top shell 130, and the top shell 130 is detachably covered on the opening of the outer shell 110. As an implementation manner, the control module 600 includes a battery and a control board, and the control board is electrically connected to the battery and the blood oxygen module 200 respectively. In other embodiments, the blood oxygen detection ring 10 may further include a wireless communication module electrically connected to the control board card, and capable of wirelessly communicating with the blood oxygen host. Or the wireless communication module can be integrated in the control board card.

In the process of using the blood oxygen detecting ring 10 in the above embodiments, the blood oxygen module 200 is first assembled on the bottom of the outer casing 110, and then the lower inner casing 122 with the transparent window 500 adhered thereon is pressed against the blood oxygen module 200. The upper inner case 121 continues to press against the lower inner case 122, and the battery and control boards in the control module 600 are placed at the opening of the outer case 110. Finally, the top case 130 is attached to the opening of the outer case 110. The blood oxygen module 200 is covered with a transparent window 500, and light can be emitted and injected through the transparent window 500. When the finger ring is worn, the pad 300 with a proper thickness is selected to be installed on the upper inner shell 121, and then the finger ring is worn in a way of a common ring, and attention needs to be paid to enable the light-transmitting window piece 500 to face the finger belly. Blood oxygen module 200 acts as an optical sensor and is very sensitive to the influence of ambient light. The various embodiments described above provide a ring 10 for blood oxygenation testing. Compare with the device of traditional measurement blood oxygen, frivolous small and exquisite has realized the family expenses, wearable. The signal that the ring was gathered transmits the blood oxygen host computer of distal end through wireless mode. The product is in the form of a ring, is worn on the finger belly and does not occupy the finger tips. The daily activities are not affected.

The embodiment of the utility model provides a still provide an oximeter including above-mentioned blood oxygen detection ring 10, including blood oxygen host computer and blood oxygen detection ring 10, blood oxygen detection ring 10 and blood oxygen host computer pass through wireless connection or wired connection's mode and connect. Among the above-mentioned blood oxygen measuring apparatu, the blood oxygen module sets up on wearing the casing, and the finger of awaiting measuring person stretches into annular wearing and can be in the measuring distance of blood oxygen module behind the casing, and then realizes the basic function of oxyhemoglobin saturation measurement. Meanwhile, the pad is used for keeping the wearing shell in close contact with the finger of the person to be detected, so that the finger is more stably compressed by the blood oxygen detection finger ring. The accommodating groove can adapt to the shape of the finger abdomen, so that the interference of external environment light is avoided, and the measurement accuracy of the blood oxygen module for measuring the blood oxygen saturation based on the optical principle is ensured.

Correspondingly, an embodiment of the present invention further provides a monitoring system, which comprises a blood pressure measuring apparatus and a blood oxygen measuring apparatus, wherein the blood oxygen measuring apparatus comprises a blood oxygen host and a blood oxygen detecting ring 10, and the blood oxygen detecting ring 10 is connected with the blood oxygen host. In other embodiments, the monitoring system may further include other measuring instruments for measuring the health parameters of the human body. Above-mentioned monitored control system, blood oxygen module 200 sets up on wearing casing 100, and the person's of awaiting measuring finger stretches into annular wearing casing 100 and can be in blood oxygen module 200's measuring distance after, and then realizes oxyhemoglobin saturation measuring's basic function. And meanwhile, the attaching structure is used for keeping the wearing shell 100 in close contact with the finger of the person to be detected, so that the finger is more stably compressed by the blood oxygen detection finger ring. The accommodating groove can adapt to the shape of the finger abdomen, so that the interference of external environment light is avoided, and the measurement accuracy of the blood oxygen module 200 for measuring the blood oxygen saturation based on the optical principle is ensured.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A blood oxygen detection ring, comprising:

the blood oxygen module is arranged in the wearing shell and is arranged in the accommodating groove;

and the gasket is arranged on the inner side of the wearing shell and is opposite to the accommodating groove.

2. The blood oxygen detection ring of claim 1, wherein said pad is removably disposed inside said wear housing.

3. The blood oxygen detection ring of claim 2, wherein said pads are in a plurality, and wherein the thickness and/or arc of said plurality of pads varies.

4. The blood oxygen detection finger ring of claim 2 wherein said pad includes a compression patch that is arcuate or circular in shape.

5. The blood oxygen detection ring of claim 1, wherein the blood oxygen module is a reflective measurement module, and the blood oxygen module is disposed at the bottom of the receiving groove; blood oxygen detects ring still includes the printing opacity window sheet, the printing opacity window sheet set up in wear the casing, printing opacity window sheet cover is located the blood oxygen module.

6. The blood oxygen detection ring according to claim 1, wherein said wearing case includes an inner case and an outer case, said inner case and said outer case are respectively in a ring shape, said inner case is detachably disposed inside said outer case; the accommodating groove is arranged on the inner shell.

7. The blood oxygen detection ring according to claim 6, wherein the inner case comprises an upper inner case and a lower inner case, the upper inner case and the lower inner case are annularly arranged, and the upper inner case and the lower inner case are respectively detachably arranged at the inner side of the outer case; the blood oxygen module is arranged between the lower inner shell and the outer shell; the inner side of the lower inner shell is provided with an accommodating groove, and the gasket is arranged on the inner side of the upper inner shell.

8. The blood oxygen detection ring of claim 6, further comprising a control module electrically connected to the blood oxygen module; the control module is arranged on the shell.

9. An oximeter, comprising an oximeter main unit and the blood oxygen detection ring of any one of claims 1-8, wherein the blood oxygen detection ring and the oximeter main unit are connected by a wireless connection or a wired connection.

10. A monitoring system, comprising a blood pressure measuring instrument and an oximeter, wherein the oximeter comprises an oximeter host and an oximetry ring according to any one of claims 1 to 8, and the oximetry ring is connected to the oximeter host.