CN216021018U

CN216021018U - Sphygmomanometer

Info

Publication number: CN216021018U
Application number: CN202121379890.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangdong Transtek Medical Electronics Co Ltd
Current assignee: Guangdong Transtek Medical Electronics Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-03-15
Anticipated expiration: 2031-06-18

Abstract

The utility model provides a sphygmomanometer, which relates to the technical field of medical equipment, and comprises a sphygmomanometer body, a cuff, a connecting pipe and a gas pipe joint, wherein the sphygmomanometer body is connected with the cuff through the connecting pipe and the gas pipe joint; the air pipe joint comprises an air pipe male head and an air pipe female head which are made of hard materials and a sealing sleeve which is made of soft materials; the male trachea head is inserted into the insertion end of the female trachea head in a mode that the insertion end is inserted into the sealing sleeve, and the sealing sleeve is extruded to deform by the insertion end of the male trachea head towards the inner wall of the female trachea head. The utility model solves the problem that the joint in the connecting pipe joint of the sphygmomanometer in the prior art is easy to be confused with the connecting pipe joints of other instruments, so that the connecting pipes are connected by mistake.

Description

Sphygmomanometer

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a sphygmomanometer.

Background

At present, in the aspect of non-invasive blood pressure measurement, in order to obtain information related to systolic pressure and diastolic pressure of an arterial blood vessel in a heart beating cycle, that is, when a ventricle pumps blood to an aorta during systole, maximum pressure information data generated by blood flow to a blood vessel wall and information data generated by blood flow to the arterial blood vessel wall due to diastole of the ventricle are reduced to the minimum pressure during diastole, data acquisition is performed by using information data acquisition devices of artificial auscultation (korotkoff sounds), electronic auscultation, oscillography (shockwaves), photoplethysmography, and the like, and a sphygmomanometer is used in the data acquisition process.

In most sphygmomanometers, the cuff gasbag passes through connecting pipe and sphygmomanometer body coupling, and in order to guarantee measuring result's accuracy, need the cuff gasbag, good leakproofness has between connecting pipe and the sphygmomanometer, the female head of the connecting pipe joint that current sphygmomanometer adopted adopts the flexible glue material to make, public head adopts the ebonite material to make, and use conventional sealing washer sealed between the two, in this kind of connected mode, female head can be applicable to the public joint of multiple size range, thereby confuse between the connecting pipe public joint with other surgical instruments easily, cause the problem of connecting pipe misconnection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sphygmomanometer to solve the technical problem that in the prior art, a joint in a sphygmomanometer connecting pipe joint is easy to be confused with a connecting pipe joint of other equipment to cause the wrong connection of a connecting pipe.

In order to achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:

the embodiment of the utility model provides a sphygmomanometer, which comprises a sphygmomanometer body, a cuff, a connecting pipe and an air pipe joint, wherein the sphygmomanometer body is connected with the cuff through the connecting pipe and the air pipe joint; wherein:

the air pipe joint comprises an air pipe male head, an air pipe female head and a sealing sleeve;

the sealing sleeve is arranged inside the inserting end of the tracheal female joint; the male trachea head and the female trachea head are both made of hard materials, and the sealing sleeve is made of soft materials;

in an assembly state, the male air pipe joint is inserted into the insertion end of the female air pipe joint in a mode that the insertion end is inserted into the sealing sleeve, and the sealing sleeve is extruded to deform by the insertion end of the male air pipe joint towards the inner wall of the female air pipe joint;

the outer wall profile of the radial cross section of the insertion end of the air pipe male joint and the inner wall profile of the radial cross section of the insertion end of the air pipe female joint are both circular, and the radial cross section of the seal sleeve is circular;

or the outer wall profile of the radial cross section of the insertion end of the male air pipe joint and the inner wall profile of the axial cross section of the insertion end of the female air pipe joint are both square, and the axial cross section of the sealing sleeve is in a square ring shape.

In an optional implementation mode, a sealing sleeve fixing groove is formed in the inner wall of the inserting end of the tracheal main head, the sealing sleeve fixing groove extends along the radial circumferential direction of the inserting end of the tracheal main head, and the sealing sleeve is fixed in the sealing sleeve fixing groove.

In an optional embodiment, an end portion of the seal sleeve fixing groove close to the insertion end of the tracheal female head extends to an end surface of the insertion end of the tracheal female head to form a slot body insertion opening.

In an optional embodiment, a limiting abutting part for limiting the insertion depth of the insertion end of the air pipe male head is arranged in the vent hole of the air pipe female head, and the limiting abutting part is configured to abut against the end face of the insertion end of the air pipe male head in an assembling state.

In an alternative embodiment, in a direction extending from the insertion end of the tracheal cannula to the other end of the tracheal cannula:

the diameter of the splicing end of the vent hole of the air pipe female head is larger than that of the rear end part of the splicing end of the air pipe female head, and the vent hole wall of the air pipe female head forms a step surface at the splicing end of the vent hole and the reducing part of the rear end part of the splicing end of the vent hole; the step surface constitutes the limit abutting part.

In an optional implementation mode, the outer side wall of the seal sleeve is provided with a limiting protruding part, the wall surface of the groove body of the seal sleeve fixing groove is provided with a limiting protruding part matching groove, and the limiting protruding part is buckled in the limiting protruding part matching groove.

In an alternative embodiment, one end of the limiting protrusion fitting groove extends to the end face of the insertion end of the tracheal main head to form a groove body insertion opening.

In an optional implementation mode, the limiting protrusion is arranged at the end of one end of the sealing sleeve, and the end face of the insertion end of the tracheal main head is flush with the end face of the limiting protrusion.

In an alternative embodiment, the sealing sleeve outer circumferential wall is provided with a first sealing convex strip along the radial circumferential direction, and/or the sealing sleeve inner circumferential wall is provided with a second sealing convex strip along the radial circumferential direction, wherein "and/or" means "the sealing sleeve outer circumferential wall is provided with the first sealing convex strip along the radial circumferential direction" and "the sealing sleeve inner circumferential wall is provided with the second sealing convex strip along the radial circumferential direction" are provided simultaneously or alternatively.

The embodiment of the utility model can realize the following beneficial effects:

the embodiment of the utility model provides a sphygmomanometer, which comprises a sphygmomanometer body, a cuff, a connecting pipe and a gas pipe joint, wherein the sphygmomanometer body is connected with the cuff through the connecting pipe and the gas pipe joint; wherein: the air pipe joint comprises an air pipe male head, an air pipe female head and a sealing sleeve; the sealing sleeve is arranged inside the inserting end of the tracheal female joint; the male trachea head and the female trachea head are both made of hard materials, and the sealing sleeve is made of soft materials; in an assembly state, the air pipe male joint is inserted into the insertion end of the air pipe female joint in a mode that the insertion end is inserted into the sealing sleeve, and the sealing sleeve is extruded by the insertion end of the air pipe male joint towards the inner wall of the air pipe female joint to deform; the outer wall profile of the radial section of the insertion end of the male air pipe joint and the inner wall profile of the radial section of the insertion end of the female air pipe joint are both circular, and the radial section of the sealing sleeve is circular; or the outer wall profile of the radial section of the insertion end of the male air pipe joint and the inner wall profile of the radial section of the insertion end of the female air pipe joint are both square, and the radial section of the sealing sleeve is in a square ring shape.

In the embodiment of the utility model, in the connecting pipe joint, the male trachea head and the female trachea head are both made of hard materials, and the sealing sleeve is arranged in the female trachea head, so that when the male trachea head and the female trachea head are butted, after the sizes of the female trachea head and the sealing sleeve are determined, the male trachea head with one size can be correspondingly connected, and the condition of wrong connection of the connecting pipe is avoided; in addition, the seal cover in this embodiment compares in the structure of sealing washer, can fully seal the clearance between the internal perisporium of trachea male joint's periphery wall and trachea female joint, and its sealed effect is better, can fully avoid the junction gas leakage of trachea male joint and trachea female joint.

In summary, the embodiment of the utility model at least solves the technical problem that in the prior art, a male connector in a connecting pipe joint of a sphygmomanometer is easily confused with a male connector of a connecting pipe of other surgical instruments, so that the connecting pipe is mistakenly connected.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a sectional view showing an assembling structure of a tube joint in a sphygmomanometer according to an embodiment of the present invention;

fig. 2 is an exploded view of the air tube joint in the sphygmomanometer according to the embodiment of the present invention.

Icon: 1-male trachea head, 2-female trachea head, 21-sealing sleeve fixing groove, 3-sealing sleeve, 31-first sealing convex strip and 32-second sealing convex strip.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element which is referred to must have a specific orientation, be constructed in a specific orientation and operation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The embodiment provides a sphygmomanometer, which comprises a sphygmomanometer body, a cuff, a connecting pipe and a gas pipe joint, wherein the sphygmomanometer body is connected with the cuff through the connecting pipe and the gas pipe joint; specifically, referring to fig. 1 and 2, the air pipe joint includes an air pipe male head 1, an air pipe female head 2, and a sealing sleeve 3; the sealing sleeve 3 is arranged inside the inserting end of the tracheal female head 2; the male trachea head 1 and the female trachea head 2 are both made of hard materials, the sealing sleeve 3 is made of soft materials, the hard materials in the embodiment include but are not limited to polyethylene and other materials, the soft materials include but are not limited to medical grade polyvinyl chloride and other materials, and the hard materials and the soft materials respectively mean that the two materials are relatively harder and the two materials are relatively softer. The outer wall profile of the radial section of the insertion end of the air pipe male head 1 and the inner wall profile of the radial section of the insertion end of the air pipe female head 2 are both circular, and the radial section of the sealing sleeve 3 is circular; in other optional embodiments of this embodiment, the outer wall profile of the radial cross section of the insertion end of the tracheal male joint 1 and the inner wall profile of the radial cross section of the insertion end of the tracheal female joint 2 are both square, and the radial cross section of the sealing sleeve 3 is square ring. With continued reference to fig. 1 and 2, in some optional embodiments of this embodiment, it is preferable that a sealing sleeve fixing groove 21 is formed on an inner wall of the insertion end of the tracheal main body 2, the sealing sleeve fixing groove 21 extends along a radial circumferential direction of the insertion end of the tracheal main body 2, and the sealing sleeve 3 is fixed in the sealing sleeve fixing groove 21. Through setting up seal cover fixed slot 21, can make clear of the mounted position of seal cover 3, simultaneously, strengthen the firm degree of being connected between the grafting end inner wall of seal cover 3 and the female 2 of trachea.

It should be noted that: in the sphygmomanometer that this embodiment provided, the connecting pipe can be two segmentations, in two segmentations connecting pipes, the one end of one segmentations connecting pipe is connected in the sphygmomanometer body, the other end is installed the public first 1 of trachea and the female first 2 of trachea, the one end of another segmentations connecting pipe is connected in the sleeve area gasbag, the other end is installed the public first 1 of trachea and the female first 2 of trachea, peg graft through this public first 1 of trachea and the female first 2 of trachea between two segmentations connecting pipe, it also can be, install the public first 1 of trachea and the female first 2 of trachea on the gas port of sphygmomanometer body, the one end of connecting pipe is connected in the sleeve area gasbag, the other party in the public first 1 of trachea and the female first 2 of trachea is installed to the other end of connecting pipe, public first 1 of trachea pegs graft with the female first 2 of trachea.

In the embodiment, in the connector joint, the male trachea head 1 and the female trachea head 2 are both made of hard materials, and the sealing sleeve 3 is arranged in the female trachea head 2, so that when the male trachea head 1 and the female trachea head 2 are butted, after the sizes of the female trachea head 2 and the sealing sleeve 3 are determined, the male trachea head 1 with one size can only be correspondingly connected, and the wrong connection of the connecting pipe is avoided; in addition, seal cover 3 in this embodiment compares in the structure of sealing washer, can fully seal the clearance between the internal perisporium of the outer periphery wall that public 1 of trachea connects and female 2 of trachea, and its sealed effect is better, can fully avoid the public first 1 of trachea and the female 2 junction gas leakage of trachea.

In conclusion, the present embodiment at least solves the technical problem in the prior art that the male connector of the sphygmomanometer connecting tube is easily confused with the male connector of the connecting tube of other surgical instruments, which results in the erroneous connection of the connecting tube.

In this embodiment, it is further preferable that an end portion of the seal cartridge fixing groove 21 close to the insertion end of the tracheal cannula 2 extends to an end surface of the insertion end of the tracheal cannula 2 to form a slot insertion opening, so that the seal cartridge 3 can be inserted into or taken out from the slot insertion opening into the insertion end of the tracheal cannula 2, thereby facilitating quick installation and replacement of the seal cartridge 3.

In addition, in the optional implementation of this embodiment, it is more preferable, be equipped with the spacing butt portion that is used for restricting the insertion depth of the grafting end of the public head 1 of trachea in the air vent of the public head 2 of trachea, spacing butt portion disposes to can be under assembled condition, the butt is in the terminal surface of the grafting end of the public head 1 of trachea, through setting up this spacing butt portion, in order to reach and avoid the public head 1 of trachea's grafting end too much stretch into in the public head 2 of trachea at the grafting in-process and cause the extrusion damage, in order to prolong the public head 1 of trachea and the public head 2 of trachea's life, and provide a power feedback to the operator after pegging graft and target in place, make the operator can definitely accomplish grafting work, and it is more convenient to use.

Further preferably, in a direction extending from the insertion end of the tracheal cannula 2 to the other end of the tracheal cannula 2: the diameter of the splicing end of the vent hole of the air pipe female head 2 is larger than that of the vent hole of the air pipe female head 2 positioned at the rear end part of the splicing end, and the wall of the vent hole of the air pipe female head 2 forms a step surface at the diameter-changing positions of the splicing end of the vent hole and the rear end part of the splicing end of the vent hole; the stepped surface constitutes the above-mentioned stopper abutting portion.

For the interior stability of keeping away between the face of further increasing the grafting end of seal cover 3 and female 2 of trachea, in the optional implementation mode of this embodiment, comparatively preferredly, the lateral wall of seal cover 3 is equipped with spacing bellying, is equipped with spacing bellying cooperation groove on the cell body wall of seal cover fixed slot 21, and this spacing bellying lock is in this spacing bellying cooperation inslot. Further preferably, the end face of the one end of this spacing bellying cooperation groove extends to the grafting end of the female head 2 of trachea forms the cell body inserted hole and can be but not limited to, the tip of the one end of seal cover 3 is located to this spacing bellying, and the terminal surface of the grafting end of the female head 2 of trachea and the terminal surface parallel and level of this spacing bellying, through such structure, can avoid seal cover 3 part to expose outside the female head 2 of trachea, thereby avoid seal cover 3 to drop or warp inefficacy under the non-grafting state, preferably, this spacing bellying is the continuity structure along the radial circumferencial direction of seal cover 3.

In order to further increase the sealing effect, in an alternative embodiment of the present embodiment, it is preferable that the outer circumferential wall of the sealing sleeve 3 is provided with a first sealing rib 31 in the radial circumferential direction, and/or the inner circumferential wall of the sealing sleeve 3 is provided with a second sealing rib 32 in the radial circumferential direction. The term "and/or" means that two structures, namely, a first sealing convex strip 31 is arranged on the outer circumferential wall of the sealing sleeve 3 along the radial circumferential direction and a second sealing convex strip 32 is arranged on the inner circumferential wall of the sealing sleeve 3 along the radial circumferential direction, are arranged at the same time or alternatively.

In particular, in the embodiment in which the above-described seal cover 3 is provided with the stopper protrusion on the outer sidewall thereof, the first sealing ribs 31 may be provided on the outer peripheral surface of the stopper protrusion or the outer peripheral surface of another portion of the seal cover 3, or the first sealing ribs 31 may be provided on both the outer peripheral surface of the stopper protrusion and the outer peripheral surface of another portion of the seal cover 3, the second sealing ribs 32 may be provided at arbitrary positions on the inner peripheral surface of the seal cover 3, and the first sealing ribs 31 and the second sealing ribs 32 may be provided one or more, preferably a plurality of, equally spaced apart from each other.

In the use, place seal cover 3 in female first 2 of trachea seal cover fixed slot 21 earlier, then insert female first 2 of trachea's grafting end with the grafting end of trachea male head 1, the radial periphery wall extrusion seal cover 3 of the grafting end of trachea male head 1 this moment, first sealed sand grip 31 and the sealed sand grip 32 of second on the seal cover 3 are respectively with seal cover 3 outer peripheral face and the female 2 of trachea between the grafting end inner wall clearance and the seal cover 3 inner peripheral face and the male 1 outer peripheral face clearance of trachea between make further seal.

Finally, it should be noted that: the embodiments in the present description are all described in a progressive manner, each embodiment focuses on the differences from the other embodiments, and the same and similar parts among the embodiments can be referred to each other; the above embodiments in the present specification are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sphygmomanometer is characterized by comprising a sphygmomanometer body, a cuff, a connecting pipe and a gas pipe joint, wherein the sphygmomanometer body is connected with the cuff through the connecting pipe and the gas pipe joint; wherein:

the air pipe joint comprises an air pipe male head (1), an air pipe female head (2) and a sealing sleeve (3);

the sealing sleeve (3) is arranged inside the insertion end of the tracheal female head (2); the male trachea head (1) and the female trachea head (2) are both made of hard materials, and the sealing sleeve (3) is made of soft materials;

in an assembly state, the male air pipe connector (1) is inserted into the insertion end of the female air pipe connector (2) in a mode that the insertion end is inserted into the sealing sleeve (3), and the sealing sleeve (3) is extruded by the insertion end of the male air pipe connector (1) towards the inner wall of the female air pipe connector (2) to deform;

the outer wall profile of the radial section of the insertion end of the air pipe male head (1) and the inner wall profile of the radial section of the insertion end of the air pipe female head (2) are both circular, and the radial section of the sealing sleeve (3) is circular;

or the outer wall profile of the radial section of the insertion end of the air pipe male head (1) and the inner wall profile of the axial section of the insertion end of the air pipe female head (2) are both square, and the axial section of the sealing sleeve (3) is square-ring-shaped.

2. The sphygmomanometer according to claim 1, wherein a seal sleeve fixing groove (21) is formed in an inner wall of the insertion end of the tracheal cannula (2), the seal sleeve fixing groove (21) extends in a radial circumferential direction of the insertion end of the tracheal cannula (2), and the seal sleeve (3) is fixed in the seal sleeve fixing groove (21).

3. The sphygmomanometer according to claim 2, wherein an end portion of the seal cover fixing groove (21) close to the insertion end of the tracheal cannula (2) extends to an end face of the insertion end of the tracheal cannula (2) to form a slot insertion opening.

4. A sphygmomanometer according to claim 3, wherein a stopper abutting portion for limiting an insertion depth of the insertion end of the tracheal male tip (1) is provided in the vent hole of the tracheal female tip (2), and the stopper abutting portion is configured to abut against an end face of the insertion end of the tracheal male tip (1) in an assembled state.

5. A sphygmomanometer according to claim 4,

along from the grafting end of female head of trachea (2) to the direction that the other end of female head of trachea (2) extends:

the diameter of the splicing end of the vent hole of the air pipe female head (2) is larger than that of the vent hole of the air pipe female head (2) positioned at the rear end of the splicing end of the air pipe female head (2), and the wall of the vent hole of the air pipe female head (2) forms a step surface at the splicing end of the vent hole and the reducing position of the rear end part of the splicing end of the vent hole; the step surface constitutes the limit abutting part.

6. A sphygmomanometer according to claim 3, wherein the outer side wall of the sealing sleeve (3) is provided with a limiting protrusion, the wall surface of the groove body of the sealing sleeve fixing groove (21) is provided with a limiting protrusion matching groove, and the limiting protrusion is buckled in the limiting protrusion matching groove.

7. A sphygmomanometer according to claim 6, wherein one end of the limit protrusion fitting groove extends to the end face of the insertion end of the tracheal cannula (2) to form a slot body insertion opening.

8. A sphygmomanometer according to claim 7, wherein the limit protrusion is provided at an end of one end of the sealing sleeve (3), and an end surface of the insertion end of the tracheal cannula (2) is flush with an end surface of the limit protrusion.

9. A sphygmomanometer according to any one of claims 1 to 8, characterized in that the sealing glove (3) is provided with a first sealing bead (31) on the outer circumferential wall in the radial circumferential direction and/or a second sealing bead (32) on the inner circumferential wall in the radial circumferential direction on the inner circumferential wall of the sealing glove (3).