CN115363573A - Disposable multi-position pulse blood oxygen saturation monitoring probe - Google Patents
Disposable multi-position pulse blood oxygen saturation monitoring probe Download PDFInfo
- Publication number
- CN115363573A CN115363573A CN202210916394.XA CN202210916394A CN115363573A CN 115363573 A CN115363573 A CN 115363573A CN 202210916394 A CN202210916394 A CN 202210916394A CN 115363573 A CN115363573 A CN 115363573A
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- China
- Prior art keywords
- pressure regulating
- regulating block
- disposable multi
- monitoring probe
- block
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6838—Clamps or clips
Abstract
The invention discloses a disposable multi-position pulse oxyhemoglobin saturation monitoring probe, which comprises an elastic clamping piece, sliding blocks arranged at two sides of the elastic clamping piece, and a pressure regulating block arranged at the bottom of the sliding blocks; the pressure regulating block comprises a pressure regulating block middle cavity arranged in the pressure regulating block, pressure regulating block side cavities arranged on two sides of the pressure regulating block middle cavity, racks which are oppositely arranged in the pressure regulating block middle cavity and are provided with pressing pieces at the bottom, gears which are arranged in the middle of the two racks and rotate to drive the two racks to slide in opposite directions, a pressing ring matched with the arc shape of the pressing pieces, an elastic piece connected with the pressing ring and the pressure regulating block side cavities, a knob connected to the top of the gear, and induction pieces arranged on the outer sides of the pressing ring. The disposable multi-position pulse blood oxygen saturation monitoring probe can be used for clamping and monitoring the non-tissue damage part of any one of the finger, the toe, the nasal septum and the earlobe of a patient.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a disposable multi-position pulse oxyhemoglobin saturation monitoring probe.
Background
A blood oxygen saturation monitoring probe is a common medical device, which is connected to the surface of a human body through a detector and applies certain pressure for monitoring the oxygen saturation and pulse rate in the arterial blood.
The existing finger-clipped blood oxygen monitoring probe can be clipped on the finger without tissue damage of the patient for monitoring. The patient's fingers cannot be monitored when they are injured. The common finger clip type blood oxygen monitoring probe is limited by the design of a clamping structure, the monitoring probe which is just clamped to the root part of the finger of a patient needs to be selected according to the length of the finger of the patient, and the clamping gap can not be adjusted. To the patient that the limbs are hypertrophied, the clamping-force that the probe produced to its finger is big, and long-time centre gripping can lead to patient's finger blood circulation not smooth, and local limbs swelling is inflamed, influences the monitoring precision, need regularly change other fingers (need change new monitoring probe simultaneously when finger length difference is great) and monitor again. The clamp is not tight for patients with thin limbs, and the monitoring probe is easy to shift and fall off in the monitoring process, so that the monitoring data is inaccurate or invalid. And can cause significant pain to the patient when held at some injured location.
The connecting line of the common finger-clipped blood oxygen monitoring probe integrally adopts a multi-core cable with a shielding layer, when patients (such as paralyzed patients and infants) with difficulty in autonomous movement are monitored, if the connecting line is wound around the limbs of the patients, the limbs of the patients can cause unsmooth blood circulation and the patients, and the winding can be released only after the probe is opened by external force limited by the probe structure.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a disposable multi-position pulse oximetry monitoring probe which is convenient to clamp and adjustable in clamping position.
The invention provides a disposable multi-part pulse blood oxygen saturation monitoring probe, which comprises an elastic clamping piece, sliding blocks arranged on two sides of the elastic clamping piece and a pressure adjusting block arranged at the bottom of the sliding blocks, wherein the elastic clamping piece is provided with a plurality of elastic clamping pieces; the pressure regulating block comprises a pressure regulating block middle cavity arranged in the pressure regulating block, pressure regulating block side cavities arranged at two sides of the pressure regulating block middle cavity, two racks which are oppositely arranged and provided with pressing pieces at the bottoms in the pressure regulating block middle cavity, a gear which is arranged between the two racks and rotates to drive the two racks to slide towards opposite directions, a pressing ring which is in arc fit with the pressing pieces, an elastic piece which is connected with the pressing ring and the pressure regulating block side cavities, a knob connected to the top of the gear, and an induction piece arranged at the outer side of the pressing ring; the pressing sheet adjusts the position along the axial direction of the cavity in the pressure adjusting block, and the pressing ring presses the sensing sheet to contact with the human body under the pressure of the pressing sheet and monitors the blood oxygen parameter of the human body; the clamping force of the elastic clamping piece when clamping the human body part is linearly related to the deformation of the elastic clamping piece.
The preferred setting of elasticity clamping piece is curved elastic material, and the pressure regulating block at clamp splice both ends is preferred sets up the silica gel cover of a transparent silica gel material in the outside, and the inside of sliding block is provided with the opening of sliding block spout, and the sliding block spout supplies elasticity clamping piece to slide in the sliding block. The sliding block and the pressure adjusting block are preferably integrally formed. The sliding blocks are arranged on two sides of the elastic clamping piece. The pressure regulating block is preferably set to have an infrared light emitting diode arranged in one end and a photoelectric monitoring probe arranged at the other end, and the infrared light emitting diode and the photoelectric monitoring probe are both connected with a data line through electric signals. The data line is preferably set into a strip-shaped data line, the data line is attached to the outer side of the pressure regulating block and is connected with the internal photoelectric monitoring probe, and the other end of the data line is connected with a host part of the blood oxygen saturation device.
The pressure regulating blocks are preferably arranged in an inner-side outer arc shape on one side and an inner-side inner arc shape on one side, so that the two pressure regulating blocks can be matched in radian and are suitable for clamping human body parts with radian. The elastic clamping piece is preferably arranged into a strip-shaped sheet shape, and a strip-shaped groove is arranged in the middle of the inner side of the elastic clamping piece.
The invention also provides the following optimization scheme:
preferably, a plurality of pressure regulating block side cavities are arranged along the central point of the gear in the circumferential direction.
Preferably, the pressing ring is matched with the side cavities of the pressure adjusting blocks, and a plurality of pressing rings are correspondingly arranged.
Preferably, the elastic member is provided in plurality along a circumferential direction of the pressure-adjusting block-side chamber.
Preferably, the plurality of pressing rings are concentrically arranged.
Preferably, a limiting plate is arranged outside the gear.
Preferably, the knob is connected with the gear through a knob connecting column penetrating through the limiting plate.
Preferably, the annular surface of the knob connecting column is provided with a limiting hole.
Preferably, the pressure adjusting device further comprises a clamping block arranged on the outer side surface of the pressure adjusting block.
Preferably, a clamping block inserting strip is arranged in the middle of the clamping block, corresponds to the position of the limiting hole and is inserted and combined with the limiting hole.
The invention has the beneficial effects that:
1. the disposable multi-position pulse blood oxygen saturation monitoring probe can be used for clamping and monitoring the non-tissue damage part of any one of the finger, the toe, the nasal septum and the earlobe of a patient.
2. The disposable multi-position pulse blood oxygen saturation monitoring probe has no length limitation on the clamping position of a patient, the gap of the probe can be adjusted, and the clamping pressure can be controlled.
3. The disposable multi-position pulse blood oxygen saturation monitoring probe adopts the flexible patch at the part close to the monitoring probe, increases the skin area, reduces the pressure on limbs, and ensures that a patient or a guardian can be very easily taken down from a clamping part due to the change of the structure.
4. The disposable multi-position pulse oxyhemoglobin saturation monitoring probe is particularly suitable for being arranged on a miniature disposable multi-position pulse oxyhemoglobin saturation monitoring probe, and the pressing ring of the disposable multi-position pulse oxyhemoglobin saturation monitoring probe is designed in an annular shape, so that when a small contact surface is ensured during pressing, weak signals can be detected by utilizing the signal amplification performance of annular detection during low blood oxygen signals.
5. The disposable multi-position pulse blood oxygen saturation monitoring probe can be clamped at the ear-nose part of a human body, and can also be clamped at the finger and the toe part, so that the disposable multi-position pulse blood oxygen saturation monitoring probe is suitable for some burn or blood loss patients, and is also suitable for the blood oxygen detection of children. The centre gripping can be stabilized to the clamping-force of elasticity clamping piece during the centre gripping, can not cause the human sensation uncomfortable yet, and the sense of touch is not strong but the centre gripping is stable, and the material is flexible, and the formation of the blood mark of contact sense good and reduction later stage, in infrared emitting diode and photoelectric monitoring probe's the data homoenergetic passed through the data line and carried the host computer of oxyhemoglobin saturation detector, realized data analysis and present.
Drawings
FIG. 1 is a front view of a disposable multi-site pulse oximetry monitoring probe of the present invention;
FIG. 2 is a first perspective view of a disposable multi-site pulse oximetry monitoring probe in accordance with the present invention;
FIG. 3 is a second perspective view of the disposable multi-site pulse oximetry monitoring probe of the present invention;
FIG. 4 is a side perspective view of the disposable multi-site pulse oximetry monitoring probe of the present invention;
FIG. 5 is a partial view of the pressure adjustment block of the present invention;
FIG. 6 is a perspective view of a pressure adjustment block of the present invention;
FIG. 7 is a load-tensile strain diagram of the pressure adjustment block of the present invention;
the specific reference numerals are:
1, an elastic clamping piece; 2, sliding blocks; 3, a pressure adjusting block; 4 a clamping block; 5 infrared light emitting diodes; 6 photoelectric monitoring probe; 21 sliding block sliding grooves; 31 a pressure regulating block middle cavity; 32 pressure regulating block side chamber; 33 pressing the sheet; 34 rack gear; 35 a gear; 36 pressing ring; 37 an elastic member; 38 a knob; 39 a sensing piece; 310, a limit plate; 311 a knob connecting post; 312 a limiting hole; 41 screens piece cutting.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the present invention will be further described in detail with reference to the following embodiments.
As shown in FIGS. 1-6, the present invention firstly provides a disposable multi-site pulse oximetry monitoring probe, which comprises an elastic clip 1, sliding blocks 2 disposed at two sides of the elastic clip 1, and a pressure adjusting block 3 disposed at the bottom of the sliding blocks 2; the pressure adjusting block 3 comprises a pressure adjusting block middle cavity 31 arranged in the pressure adjusting block 3, pressure adjusting block side cavities 32 arranged at two sides of the pressure adjusting block middle cavity 31, two racks 34 which are arranged oppositely in the pressure adjusting block middle cavity 31 and provided with pressing pieces 33 at the bottoms, a gear 35 which is arranged between the two racks 34 and rotates to drive the two racks 34 to slide in opposite directions, a pressing ring 36 matched with the pressing pieces 33 in an arc shape, an elastic piece 37 connecting the pressing ring 36 and the pressure adjusting block side cavities 32, a knob 38 connected to the top of the gear 35, and an induction piece 39 arranged at the outer side of the pressing ring 36; the position of the pressing sheet 33 is adjusted along the axial direction of the cavity 31 in the pressure adjusting block, and the pressing ring 36 presses the sensing sheet 39 to contact with the human body under the pressure of the pressing sheet 33 and monitors the blood oxygen parameter of the human body; the clamping force of the elastic clamping piece 1 when clamping the human body part is linearly related to the deformation of the elastic clamping piece.
The elastic clamping piece 1 is arranged into an arc-shaped elastic clamping piece 1, the inner side face of the elastic clamping piece is preferably provided with a silica gel material which is good for human body contact, and the outer side of the elastic clamping piece is provided with a rigid material which is good in elasticity. The inside sliding block sliding groove 21 that is provided with of sliding block 2 is used for elasticity clamping piece 1 to slide in sliding block sliding groove 21, can adjust the centre gripping angle between elasticity clamping piece 1 and the sliding block 2 like this. The pressure regulating block 3 is directly connected to the slide block 2. When sliding on the elastic clamping piece 1, the sliding block 2 drives the pressure adjusting block 3 to slide together. The clamping force is preferably between 0.2N and 0.5N, the amount of deformation reaching 100% at 0.5N.
The preferred setting of elasticity clamping piece 1 is curved elastic material, and the pressure regulating block 3 at both ends is preferred sets up the silica gel cover of a transparent silica gel material in the outside, and the inside of sliding block 2 is provided with sliding block spout 21's opening, and sliding block spout 21 supplies elasticity clamping piece 1 to slide in sliding block 2. The slide block 2 and the pressure adjusting block 3 are preferably integrally formed. The sliding blocks 2 are arranged on two sides of the elastic clamping piece 1. The pressure regulating block 3 is preferably set to have an infrared light emitting diode 5 arranged in one end and a photoelectric monitoring probe 6 arranged at the other end, and the infrared light emitting diode 5 and the photoelectric monitoring probe 6 are both in electric signal connection with a data line. The data line is preferably arranged into a strip-shaped data line, is attached to the outer side of the pressure regulating block 3, is connected with an internal photoelectric monitoring probe 6 and an infrared light-emitting diode 5, and is connected with the host part of the blood oxygen saturator at the other end.
The pressure regulating blocks 3 are preferably arranged in an inner-side outer arc shape at one side and an inner-side inner arc shape at one side, so that the two pressure regulating blocks 3 can be matched in radian and are suitable for clamping human body parts with radian. The elastic clip 1 is preferably provided in a strip shape, and a strip groove is provided in the middle of the inner side of the elastic clip 1.
The pressure regulating block central cavity 31 is preferably arranged along the centerline of the pressure regulating block 3 and preferably extends from the bottom surface to the top surface of the pressure regulating block 3. The pressure regulating block side cavities 32 are provided on both sides of the pressure regulating block middle cavity 31, and different from the rectangular hole of the pressure regulating block middle cavity 31, the pressure regulating block side cavities 32 are arranged annularly along the center of a circle of the gear 35 and are provided on both sides of the pressure regulating block middle cavity 31. The two racks 34 are oppositely arranged, the gear 35 arranged in the middle drives the two racks 34 to slide in opposite directions correspondingly, the sliding speed and the displacement length are consistent, and the pressing sheets 33 respectively connected to the bottoms of the two racks 34 symmetrically move in mirror images in opposite directions by taking the gear 35 as a center. The pressing sheet 33 and the pressing ring 36 have the same width and arc height, so that the pressing precision is better when the positions correspond.
The pressure regulating block side cavities 32 are arranged in a plurality along the central point of the gear 35 in a circular manner. The pressing ring 36 is matched with the pressure adjusting block side cavity 32 and is correspondingly provided with a plurality of pressing rings. The pressing ring 36 is arranged corresponding to the pressure regulating block side cavity 32, the pressing ring 36 is integrally arranged at the bottoms of the pressure regulating block side cavity 32 and the pressure regulating block middle cavity 31, the pressing sheet 33 corresponds to the position of the pressure regulating block middle cavity 31, and the elastic piece 37 corresponds to the position of the pressure regulating block side cavity 32, so that the whole body can vertically slide in the pressing direction in the pressure regulating block side cavity 32 and the pressure regulating block middle cavity 31.
The elastic member 37 is provided in plurality along the circumferential direction of the pressure-adjusting block-side chamber 32. The elastic member 37 is preferably provided as a spring.
In a preferred embodiment, the plurality of crimp rings 36 are concentrically arranged. The pressing rings 36 are concentrically arranged so that the width and the arc shape of the pressing piece 33 are relatively uniform when the pressing piece is positionally adjusted. And the pressing rings 36 are arranged concentrically, so that detection signals can be optimized, and the clamping device is particularly suitable for small-area clamping, and can enable the signals to be more accurate.
A limiting plate 310 is arranged outside the gear 35. The knob 38 is connected to the gear 35 via a knob connecting post 311 penetrating the limiting plate 310. The stopper plate 310 is mainly used to press the gear 35 and the rack 34 together when the knob 38 is pressed inward as a whole when the clamping force is increased at a place where the clamping position is likely to slip.
And a limiting hole 312 is arranged on the annular surface of the knob connecting column 311. The pressure regulating device also comprises a clamping block 4 arranged on the outer side surface of the pressure regulating block 3. A clamping block inserting strip 41 is arranged in the middle of the clamping block 4, corresponds to the position of the limiting hole 312 and is inserted and combined with the limiting hole. The limiting hole 312 is matched with the clamping block inserting strip 41, and the function of the limiting hole is mainly to fix the internal pressure position of the knob 38 when the knob 38 is pressurized, so that the fixing is convenient.
Experiment for correlating clamping force with deformation quantity
And (4) carrying out experimental detection on the load and tensile strain of the elastic clamping piece. The test is carried out under the conditions that the thickness is 1.0um, the width is 1.0mm, and the tensile deformation speed is 5.0mm/min, so as to obtain a graph 7, and the tensile strain is about 50% approximately under the condition of 0.25N tensile force; at a tensile force of 0.5N, the tensile strain amount is approximately 100%; at a tensile force of 0.75N, the tensile strain is approximately 160%; at a tensile force of 1.0N, the tensile strain amount is approximately 230; the tensile strain amount was about 300% at a tensile force of 1.3N. The whole load and the tensile strain are highly linearly related, so that the tensile strain of the elastic clamping piece can be kept stable, and the elastic clamping piece can be stably clamped at a plurality of monitoring points of a human body.
The above are only preferred embodiments of the present invention, and it should be noted that the above preferred embodiments should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. A disposable multi-part pulse oxyhemoglobin saturation monitoring probe is characterized by comprising an elastic clamping piece, sliding blocks arranged on two sides of the elastic clamping piece, and a pressure adjusting block arranged at the bottom of the sliding blocks; the pressure adjusting block comprises a pressure adjusting block middle cavity arranged in the pressure adjusting block, pressure adjusting block side cavities arranged on two sides of the pressure adjusting block middle cavity, two racks which are oppositely arranged and provided with pressing pieces at the bottoms in the pressure adjusting block middle cavity, a gear which is arranged between the two racks and rotates to drive the two racks to slide in opposite directions, a pressing ring which is in arc fit with the pressing pieces, an elastic piece which connects the pressing ring and the pressure adjusting block side cavities, a knob connected to the top of the gear and an induction piece arranged on the outer side of the pressing ring; the pressing sheet adjusts the position along the axial direction of the cavity in the pressure adjusting block, and the pressing ring presses the sensing sheet to contact with the human body under the pressure of the pressing sheet and monitors the blood oxygen parameter of the human body; the clamping force of the elastic clamping piece when clamping the human body part is linearly related to the deformation of the elastic clamping piece.
2. The disposable multi-site pulse oximetry monitoring probe according to claim 1, wherein the pressure regulating block side cavities are disposed in plurality circumferentially along a center point of the gear.
3. The disposable multi-site pulse oximetry monitoring probe according to claim 2, wherein the pressing ring is adapted to the pressure regulating block side cavity and is correspondingly provided in plurality.
4. The disposable multi-site pulse oximetry probe according to claim 3, wherein the elastic member is provided in plural numbers along a circumferential direction of the pressure regulating block side cavity.
5. The disposable multi-site pulse oximetry monitoring probe of claim 4, wherein the plurality of crimp rings are concentrically arranged.
6. The disposable multi-site pulse oximetry probe according to claim 1, wherein a limiting plate is disposed outside the gear.
7. The disposable multi-site pulse oximetry probe according to claim 6, wherein the knob is connected to the gear via a knob connecting post that passes through the limiting plate.
8. The disposable multi-site pulse oximetry monitoring probe according to claim 7, wherein a limiting hole is provided on an annular surface of the knob connecting post.
9. The probe of claim 8, further comprising a locking block disposed on an outer side of the pressure regulating block.
10. The probe of claim 9, wherein a positioning block is disposed in the middle of the positioning block, and the positioning block has a positioning strip corresponding to and engaging with the position of the position-limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210916394.XA CN115363573A (en) | 2022-08-01 | 2022-08-01 | Disposable multi-position pulse blood oxygen saturation monitoring probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210916394.XA CN115363573A (en) | 2022-08-01 | 2022-08-01 | Disposable multi-position pulse blood oxygen saturation monitoring probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115363573A true CN115363573A (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210916394.XA Pending CN115363573A (en) | 2022-08-01 | 2022-08-01 | Disposable multi-position pulse blood oxygen saturation monitoring probe |
Country Status (1)
| Country | Link |
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| CN (1) | CN115363573A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115590507A (en) * | 2022-12-15 | 2023-01-13 | 成都美华优健科技有限责任公司（Cn） | Deformation elastic piece and multi-position oxyhemoglobin saturation sensor formed by same |
| CN116784775A (en) * | 2023-08-28 | 2023-09-22 | 北京东鸿致远医疗科技有限公司 | Angle-adjustable endoscope |
-
2022
- 2022-08-01 CN CN202210916394.XA patent/CN115363573A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115590507A (en) * | 2022-12-15 | 2023-01-13 | 成都美华优健科技有限责任公司（Cn） | Deformation elastic piece and multi-position oxyhemoglobin saturation sensor formed by same |
| CN116784775A (en) * | 2023-08-28 | 2023-09-22 | 北京东鸿致远医疗科技有限公司 | Angle-adjustable endoscope |
| CN116784775B (en) * | 2023-08-28 | 2023-11-17 | 北京东鸿致远医疗科技有限公司 | Angle-adjustable endoscope |
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