CN213249042U

CN213249042U - Disposable medical pressure sensor

Info

Publication number: CN213249042U
Application number: CN202021921073.1U
Authority: CN
Inventors: 成芳; 张莉; 李健; 邰春梅
Original assignee: Nanjing Hospital of TCM
Current assignee: Nanjing Hospital of TCM
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-25
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a disposable medical pressure sensor, including sleeve area and sensor body, the fixed block has been made up on the surface in sleeve area, the constant head tank has been seted up to the up end of fixed block, be provided with stop gear in the constant head tank, the sensor body sets up in the constant head tank, be connected with the pipe on the sensor body, the fixed block front side is provided with a plurality of bandages, the utility model discloses simple structure can conveniently dismantle the installation sensor, and convenient to use has improved patient's experience.

Description

Disposable medical pressure sensor

Technical Field

The utility model relates to the technical field of medical equipment, specifically be disposable medical pressure sensor.

Background

Medical pressure sensors are pressure sensors that are specialized in medical use. I.e. a sensor which is specialized in medical use and which senses pressure and converts it into a usable output signal. (since the commonly used pressure sensors are mainly manufactured by using piezoelectric effect, the pressure sensors can be called as piezoelectric sensors.) the medical pressure sensors are often used for monitoring various pressures of invasive blood pressure of human body, such as arterial pressure, central venous pressure, pulmonary arterial pressure and left coronary arterial pressure, and directly obtaining a physiological parameter of blood pressure, so as to provide objective basis for clinical diagnosis, treatment and prognosis estimation of diseases. However, most of the existing medical pressure sensors have the problems of inconvenience in fixing, use and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable medical pressure sensor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the disposable medical pressure sensor comprises a cuff and a sensor body, wherein a fixed block is sewn on the outer surface of the cuff, a positioning groove is formed in the upper end face of the fixed block, a limiting mechanism is arranged in the positioning groove, the sensor body is arranged in the positioning groove, a catheter is connected to the sensor body, and a plurality of binding bands are arranged on the front side of the fixed block.

Preferably, one end of the bandage is sewn on the cuff, the other end of the bandage is provided with a hook and loop fastener rough surface, and the surface of the cuff is provided with a hook and loop fastener stabbing surface corresponding to the hook and loop fastener rough surface.

Preferably, the limiting mechanism comprises two limiting blocks which are symmetrically distributed in the front and back, first sliding grooves are formed in the side walls of the front end and the back end of the inside of the positioning groove, the limiting blocks are slidably mounted in the first sliding grooves, a spring is connected between one end, far away from the positioning groove, of the limiting blocks and the inner wall of the first sliding grooves, a second sliding groove is formed in the right side of the positioning groove, a sliding frame is slidably mounted in the second sliding groove and rotatably mounted with a screw rod, threaded holes corresponding to the screw rod are formed in the surface of the sliding frame, two first wedge blocks which are distributed in the front and back direction are arranged at the left end of the sliding frame, and second wedge blocks.

Preferably, an arc-shaped groove is formed in one end, facing the positioning groove, of the limiting block, and the anti-slip pad is bonded to the surface of the inner wall of the arc-shaped groove.

Preferably, the fixed cover in screw rod periphery is equipped with first bevel gear, the dwang is installed in the rotation of fixed block top, the knob is installed on the dwang top, and the bottom extends to inside and be connected with the second bevel gear of second spout, first bevel gear is connected with the second bevel gear meshing.

Preferably, the surface of the inner side wall of the cuff is covered with a skin-friendly layer.

Compared with the prior art, the beneficial effects of the utility model are that: when the cuff is used, the cuff is worn on the arm of a patient, the sensor body is arranged in the positioning groove, and the catheter is limited through the binding band, so that detection can be performed; when the sensor body needs to be replaced, the knob is rotated, the first bevel gear and the second bevel gear are meshed and connected with the driving screw to drive the screw to rotate, so that the sliding frame is driven to move rightwards, the two limiting blocks are far away from each other under the action of the spring, the sensor can be taken down, and after a new sensor is placed in the positioning groove, the knob is rotated reversely, so that the two limiting blocks can be driven to clamp the sensor; because the spacing of stopper is adjustable, can adapt to the sensor of equidimension not. The utility model discloses simple structure can conveniently dismantle the installation sensor, and convenient to use has improved patient's experience.

Drawings

FIG. 1 is a schematic diagram of a disposable medical pressure sensor;

FIG. 2 is a schematic structural view of a limiting mechanism in the disposable medical pressure sensor;

fig. 3 is a schematic structural diagram of a first bevel gear and a second bevel gear in the disposable medical pressure sensor.

In the figure: 1-cuff, 2-bandage, 3-fixed block, 4-positioning slot, 5-magic tape, 6-limiting block, 7-first sliding slot, 8-spring, 9-arc slot, 10-second sliding slot, 11-screw, 12-first bevel gear, 13-sliding frame, 14-first wedge block, 15-second wedge block, 16-rotating rod, 17-knob, 18-second bevel gear, 19-sensor body and 20-catheter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the disposable medical pressure sensor comprises a cuff 1 and a sensor body 19, wherein a fixed block 3 is sewn on the outer surface of the cuff 1, a positioning groove 4 is formed in the upper end face of the fixed block 3, a limiting mechanism is arranged in the positioning groove 4, the sensor body 19 is arranged in the positioning groove 4, a catheter 20 is connected onto the sensor body 19, and a plurality of binding bands 2 are arranged on the front side of the fixed block 3.

One end of the bandage 2 is sewn on the cuff 1, the other end of the bandage is provided with a magic tape matt surface, and the surface of the cuff 1 is provided with a magic tape stabbing surface 5 corresponding to the magic tape matt surface.

The limiting mechanism comprises two limiting blocks 6 which are symmetrically distributed in the front and back, first sliding grooves 7 are formed in the side walls of the front end and the back end of the inner portion of the positioning groove 4, the limiting blocks 6 are slidably mounted in the first sliding grooves 7, a spring 8 is connected between one end, far away from the positioning groove 4, of the limiting blocks 6 and the inner wall of the first sliding groove 7, a second sliding groove 10 is formed in the right side of the positioning groove 4, a sliding frame 13 is slidably mounted in the second sliding groove 10 and rotatably mounted with a screw rod 11, threaded holes corresponding to the screw rod 11 are formed in the surface of the sliding frame 13, two first wedge blocks 14 distributed in the front and back direction are arranged at the left end of the sliding frame 13, and second wedge blocks 15 corresponding to.

The limiting block 6 is provided with an arc-shaped groove 9 towards one end of the positioning groove 4, and the anti-slip pad is bonded on the surface of the inner wall of the arc-shaped groove 9.

The fixed cover in screw rod 11 periphery is equipped with

first bevel gear

12, 3 tops of fixed block are rotated and are installed dwang 16, knob 17 is installed on dwang 16 top, and the bottom extends to inside and be connected with second bevel gear 18 of second spout 10, first bevel gear 12 is connected with second bevel gear 18 meshing.

The inner side wall surface of the cuff 1 is covered with a skin-friendly layer.

The utility model discloses a theory of operation: when in use, the cuff 1 is worn on the arm of a patient, the sensor body 19 is arranged in the positioning groove 4, and the catheter is limited by the binding band 2, so that the detection can be carried out; when the sensor body 19 needs to be replaced, the knob 17 is rotated, the first bevel gear 12 and the second bevel gear 18 are meshed and connected to drive the screw rod 11 to rotate, so that the sliding frame 13 is driven to move rightwards, the two limit blocks 6 are far away from each other under the action of the spring 8, the sensor can be taken down, and after a new sensor is placed in the positioning groove 4, the knob 17 is rotated reversely, so that the two limit blocks 6 can be driven to clamp the sensor; because the spacing of stopper 6 is adjustable, can adapt to the sensor of equidimension not.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Disposable medical pressure sensor, including cuff (1) and sensor body (19), its characterized in that: the cuff is characterized in that a fixing block (3) is sewn on the outer surface of the cuff (1), a positioning groove (4) is formed in the upper end face of the fixing block (3), a limiting mechanism is arranged in the positioning groove (4), a sensor body (19) is arranged in the positioning groove (4), a catheter (20) is connected onto the sensor body (19), and a plurality of binding bands (2) are arranged on the front side of the fixing block (3).

2. The disposable medical pressure sensor of claim 1, wherein: one end of the bandage (2) is sewn on the cuff (1), the other end of the bandage is provided with a magic tape matt surface, and the surface of the cuff (1) is provided with a magic tape stabbing surface (5) corresponding to the magic tape matt surface.

3. The disposable medical pressure sensor of claim 1, wherein: the limiting mechanism comprises two limiting blocks (6) which are symmetrically distributed front and back, first sliding grooves (7) are arranged in the side walls of the front end and the back end inside the positioning groove (4), the limiting block (6) is slidably arranged in the first sliding chute (7), a spring (8) is connected between one end of the limiting block (6) far away from the positioning groove (4) and the inner wall of the first sliding chute (7), a second sliding chute (10) is arranged at the right side of the positioning groove (4), a sliding frame (13) is installed in the second sliding chute (10) in a sliding manner, a screw rod (11) is rotatably arranged, a threaded hole corresponding to the screw rod (11) is arranged on the surface of the sliding frame (13), the left end of the sliding frame (13) is provided with two first wedge blocks (14) which are distributed in a front-back manner, and a second wedge block (15) corresponding to the first wedge block (14) is arranged at the right end of the limiting block (6).

4. The disposable medical pressure sensor of claim 3, wherein: an arc-shaped groove (9) is formed in one end, facing the positioning groove (4), of the limiting block (6), and an anti-slip pad is bonded on the surface of the inner wall of the arc-shaped groove (9).

5. The disposable medical pressure sensor of claim 4, wherein: the fixed cover in screw rod (11) periphery is equipped with first bevel gear (12), fixed block (3) top is rotated and is installed dwang (16), knob (17) are installed on dwang (16) top, and the bottom extends to second spout (10) inside and is connected with second bevel gear (18), first bevel gear (12) are connected with second bevel gear (18) meshing.

6. The disposable medical pressure sensor of claim 1, wherein: the inner side wall surface of the cuff (1) is covered with a skin-friendly layer.