CN111436996A - Artery hemostat and automatic control method - Google Patents
Artery hemostat and automatic control method Download PDFInfo
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- CN111436996A CN111436996A CN202010253990.5A CN202010253990A CN111436996A CN 111436996 A CN111436996 A CN 111436996A CN 202010253990 A CN202010253990 A CN 202010253990A CN 111436996 A CN111436996 A CN 111436996A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/132—Tourniquets
- A61B17/135—Tourniquets inflatable
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/132—Tourniquets
- A61B17/135—Tourniquets inflatable
- A61B17/1355—Automated control means therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00022—Sensing or detecting at the treatment site
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Abstract
The invention discloses an artery hemostat, which comprises a carrier, wherein a compression assembly and a binding belt capable of driving the compression assembly to be attached to an artery wound are arranged on the carrier, a pressure regulator is arranged on the carrier, the magnitude of pressure applied to the artery wound by the compression assembly is related to the action of the pressure regulator, and the artery hemostat is characterized in that: the carrier is provided with a pressure display mechanism, and a display area of the pressure display mechanism changes in response to the pressure change of the compression assembly. The invention provides an artery hemostat and an automatic control method, which can quantify the compression degree on an artery wound and facilitate the real-time observation of an operator.
Description
Technical Field
The invention relates to the technical field of medical auxiliary equipment, in particular to an artery hemostat and an automatic control method.
Background
The artery hemostat is also called artery compression hemostat, is composed of a spiral handle component, a pressing plate, a base and a self-adhesive non-woven bandage, and is mainly used for compression hemostasis of arteries. When the hemostatic clamp is used, medical workers firstly fix the base on a human body through the bandage and enable the clamp plate to be aligned to the position of the artery wound, and then rotate the spiral handle assembly to enable the clamp plate to compress the artery wound so as to achieve the purpose of hemostasis.
However, the specific displacement stroke of the pressing plate of the conventional arterial hemostat cannot be accurately measured, and the conventional arterial hemostat can only be judged subjectively by medical staff, so that the requirements of different compression depths caused by different patients and different arterial wounds can only be clinically judged through the operation experience of the medical staff, and great inconvenience is brought to the operation of the medical staff.
In addition, in order to avoid that the artery wound cannot be effectively stopped due to the fact that the pressing plate cannot be pressed in place, medical staff can only give enough safety margin under the condition that the pressing depth cannot be accurately judged due to the consideration of life safety of a patient, so that the pressing force on the artery wound of the patient is far greater than the optimal pressing force required actually, excessive pressing often causes pressing injury of the patient, and the pain of the patient is increased.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art: the utility model provides an artery hemostat, it can make the degree of oppression on the artery wound can quantify, and the operating personnel of being convenient for can observe in real time.
To this end, an object of the present invention is to provide an arterial hemostat, which includes a carrier, a compression component and a binding band capable of driving the compression component to adhere to an arterial wound, a pressure regulator is disposed on the carrier, and the magnitude of pressure applied to the arterial wound by the compression component is related to the action of the pressure regulator, wherein: the carrier is provided with a pressure display mechanism, and a display area of the pressure display mechanism changes in response to the pressure change of the compression assembly. The pressure display mechanism can display the pressure change of the compression assembly in real time, so that medical personnel can know the pressure value of the compression assembly to the artery wound in real time through the pressure display mechanism.
Preferably, the compression assembly is a working air bag fixedly connected with the carrier, and the magnitude of air pressure in the working air bag is related to the action of the pressure regulator. Through the laminating artery wound that the work gasbag not only can be better to make the effect that pressure can be even on whole artery wound, the pressure plate that supports than current hard material can very big reduction patient's misery, moreover through the pressure value change in the detection work gasbag just can know the pressure size of work gasbag to the artery wound, consequently this pressure display mechanism only need detect the pressure value size in the work gasbag can, be convenient for detect.
Preferably, the pressure regulator is including inflating the chamber, inflate the intracavity and be equipped with the piston and promote piston reciprocating motion's driving piece, it is equipped with the inlet port and is used for the inflation hole with the work gasbag intercommunication to inflate the intracavity, be equipped with the first check valve that only supplies outside air to get into the intracavity of inflating on the inlet port, it is equipped with the second check valve that only supplies the air of inflating the intracavity to get into the work gasbag on the inflation hole, be equipped with the exhaust hole on the work gasbag, be equipped with the relief valve on the exhaust hole. The pressure regulator has a simple structure, so that the cost of the pressure regulator as a disposable consumable is low. Meanwhile, medical personnel can observe the display numerical value of the pressure display mechanism and manually operate the pressure regulator to complete inflation, so that the medical personnel can accurately raise the pressure value in the working air bag to a required pressure value range.
Preferably, the driving member comprises a piston rod, one end of the piston rod is connected with the piston, the other end of the piston rod extends out of the inflating cavity, and a pressing part is arranged at the end part of the piston rod, which is located outside the inflating cavity.
Preferably, the pressure regulator comprises an electric air pump and a pressure release valve, the air outlet end of the electric air pump is communicated with the working air bag, the working air bag is provided with an exhaust hole, and the pressure release valve is arranged on the exhaust hole. The adoption of the electric air pump can realize automatic inflation, thereby leading the medical care personnel to be more labor-saving.
Preferably, the carrier is provided with a controller and a pressure sensor for detecting the pressure value in the working air bag, and the controller controls the start and stop of the electric air pump by receiving a detection signal of the pressure sensor. Through addding pressure sensor and controller for aerify and exhaust process homoenergetic enough realize automaticly, consequently to the patient the controller can be according to the hemostatic pressure variation automatic adjustment work gasbag of best oppression of patient different time quantums, whole process all need not medical personnel's operation, thereby very big liberation medical personnel's intensity of labour.
Preferably, the pressure display mechanism comprises a pressure detection cavity, a detection air bag is arranged in the pressure detection cavity, a transparent area for observing the detection air bag is arranged on the inner wall of the pressure detection cavity, the detection air bag is reduced or expanded along with the change of air pressure in the working air bag, and scale marks for comparing size parameters of the detection air bag are arranged on the transparent area. Can be so that medical personnel can the audio-visual change of observing the detection gasbag through detecting the gasbag to the numerical value of cooperation scale mark can make medical personnel's naked eye read out actual pressure value and change, and it not only makes pressure display mechanism's structure simplify, and is with low costs as disposable consumptive material, and medical personnel easy operation moreover.
As preferred, pressure display mechanism includes the pressure measurement chamber, the pressure measurement intracavity is equipped with the baffle, the baffle separates into two sub-chambers with the pressure measurement chamber, arbitrary one of them sub-chamber and work gasbag intercommunication, the baffle just with the inner wall sliding fit in pressure measurement chamber the baffle is sealed with the laminating department of pressure measurement intracavity wall, be equipped with the transparent region that is used for observing the baffle position on the inner wall in pressure measurement chamber, be equipped with the scale mark that is used for comparing the baffle position on the transparent region.
Preferably, the two ends of the binding band are respectively connected with the connecting parts on the two sides of the pressing component on the carrier, and the inner side of the binding band facing the pressing component is provided with an elastic positioning block. The arrangement of the elastic positioning blocks can reduce the relative sliding between the binding belt and a human body, and secondary damage caused by the offset sliding of the binding belt is reduced or even avoided.
The technical scheme has the following advantages or beneficial effects: medical personnel can be observed by medical personnel in real time at the installation process that carries out the haemostat to the patient, and consequently medical personnel can be better carry out the regulation of haemostat pressure to the furthest has reduced the compressive force on the artery wound on guaranteeing hemostatic basis, alleviates patient's misery.
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art: the automatic control method of the artery hemostat is provided, the inflation and exhaust processes are automated, so that the pressure requirements of the artery wound of a patient in different time periods can be met, and the artery hemostat can be adjusted in time.
Therefore, one object of the invention is to provide an automatic control method of an arterial hemostat, which comprises a carrier, wherein one side of the carrier is provided with a working air bag and a binding belt, the other side of the carrier is provided with an inflating cavity, a pressure detection cavity and a controller, the inflating cavity and the pressure detection cavity are respectively communicated with the working air bag, the inflating cavity is provided with an electric air pump, the pressure detection cavity is provided with a pressure sensor for detecting the pressure value in the working air bag, the pressure detection cavity and/or the working air bag is provided with a pressure relief valve communicated with the working air bag, and the pressure relief valve is an electromagnetic pressure relief valve, and the automatic control method is characterized in that: it also comprises the following operation steps:
s1, aligning the working air bag to the artery wound and binding the working air bag on the human body through a bandage so that the working air bag is fixed on the artery wound;
s2, opening a controller, and inputting one or more preset parameters; wherein the preset parameters comprise hemostasis pressure, pressure maintaining time, pressure reduction starting time, pressure reduction maintaining pressure, pressure reduction maintaining time and termination time;
s3, closing the pressure relief valve, and controlling the electric air pump to inflate the working air bag to a preset pressure value by the controller;
s4, the controller controls the electric air pump to start and stop and controls the relief valve to start and stop according to preset parameters, so that the air pressure in the working air bag is maintained according to the preset parameters;
s5, the controller controls the electric air pump to stop, and controls the pressure release valve to open, so that the air pressure in the working air bag is equal to the external atmospheric pressure;
and S6, unbinding the binding band.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
The technical scheme has the following advantages or beneficial effects: medical personnel aim at the artery wound with the work gasbag and then can realize automatic charging and self-bleeding after carrying out the fixed of ligature area, consequently the reduction of very big degree medical personnel's intensity of labour to when the patient need exert the change of the automatic completion pressure that can be timely accurate under the condition of different pressures on the artery wound in different time quantums, not only reduced medical personnel's operating frequency, can in time change the painful reduction that the pressure value made the disease moreover.
Drawings
Fig. 1 is a first structural schematic diagram of the arterial hemostat of the present invention.
Fig. 2 is a schematic view showing the internal structure of a first structure of the arterial hemostat of the present invention.
Fig. 3 is an internal structural view of a second structure of the arterial hemostat of the present invention.
Fig. 4 is an internal structural view of a third structure of the arterial hemostat of the present invention.
Fig. 5 is a control schematic diagram of a third structure of the arterial hemostat in fig. 4.
Fig. 6 is an internal structural view of a fourth structure of the arterial hemostat of the present invention.
Fig. 7 is a top view of fig. 6.
Fig. 8 is a schematic cross-sectional view taken along "a-a" in fig. 7.
FIG. 9 is a schematic cross-sectional view taken along "B-B" in FIG. 7.
The device comprises a carrier 1, a carrier 1.1, a connecting portion 2, a binding band 2.1, an elastic positioning block 3, a pressure regulator 3.1, an inflating cavity 3.2, a piston 3.3, an air inlet hole 3.4, an inflating hole 3.5, a piston rod 3.6, a pressing portion 3.7, an external air bag 3.8, a reset spring 3.9, an end cover 4, a pressure display mechanism 4.1, a pressure detection cavity 4.2, a detection air bag 4.3, a scale mark 4.4, a partition plate 5, a working air bag 6, a pressure release valve 7, an electric air pump 8, a controller 9, a pressure sensor 10, a power supply 11 and a display.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
An arterial hemostat according to an embodiment of the present invention is described in detail below with reference to the accompanying drawings.
The artery hemostat is a medical instrument which is produced by compressing and stopping bleeding on artery wounds after various intervention operations that patients suffer from artery injury and need to enter lesion areas in human bodies through arteries for examination and treatment. This kind of artery hemostat is mostly disposable consumptive material, therefore the consideration scope of product design need be brought into with low cost to artery hemostat among the prior art, and based on this, current artery hemostat's structure includes the ligature area of slide glass and a rectangular shape, the below of slide glass is equipped with the preforming that is used for oppressing the artery wound, and the both ends of ligature area link to each other with the tip that lies in the preforming both sides on the slide glass, can bind with human four limbs through the ligature area and realize the fixed of artery hemostat from this, the slide glass top is equipped with the knob that has the screw rod, and the one end of screw rod links to each other with the knob is fixed, and the other end of screw rod passes slide glass and preforming and links to each other, screw-thread fit between screw rod and the slide glass, and from this medical personnel can.
The artery hemostat has the advantages that the structure only uses the slide glass, the binding band, the screw, the knob and the pressing sheet, so the whole structure is simple and the cost is low. However, the drawbacks of this arterial hemostat are relatively significant:
first, the banding area of rectangular shape of its adoption can only bind four limbs, can use when for example the artery on four limbs such as wrist artery, ankle artery forms the wound, and fixes to this banding area of difficult adoption when forming the wound to the artery on the body such as artery under the clavicle, therefore the commonality is relatively poor.
Second, thereby the pressure of preforming effect on the artery wound is rotated through the knob and is promoted the screw rod and form, consequently the size of pressure value only judges through medical personnel's experience, and the hemostasis by compression effect is relatively poor then to the pressure undersize, and the too big painful of the hemostasis by compression of increase patient also increases the risk that hemostasis by compression brought the secondary damage simultaneously.
Thirdly, the state of the artery wound of the patient is changed, so that the pressure of the medical staff needs to be frequently adjusted, the operation of the medical staff is inconvenient, and meanwhile, the timeliness of the pressure adjustment cannot be well guaranteed, so that the optimal effect of compression hemostasis is affected.
The first embodiment is as follows:
in order to enable the pressure change of the compression artery wound to be visually displayed and enable medical staff to adjust the pressure change based on the pressure change, the invention provides an artery hemostat which comprises a carrier 1, wherein a compression assembly and a binding belt 2 capable of driving the compression assembly to be attached to the artery wound are arranged on the carrier 1, a pressure regulator 3 is arranged on the carrier 1, the pressure applied to the artery wound by the compression assembly is related to the action of the pressure regulator 3, a pressure display mechanism 4 is arranged on the carrier 1, and the display area of the pressure display mechanism 4 is changed in response to the pressure change of the compression assembly.
Preferably, the carrier 1 can adopt a sheet structure as shown in fig. 1, and then the independent pressure regulator 3 and the pressure display mechanism 4 are installed on the carrier 1, and the pressure regulator 3 and the pressure display mechanism 4 can be arbitrarily and selectively detached from the carrier 1 as independent working modules, so that the carrier can be replaced according to actual needs, and the operation is flexible.
Preferably, the carrier 1 is integrally formed with a chamber for mounting the pressure regulator 3 and the pressure indication mechanism 4, so that the fittings of the pressure regulator 3 and the pressure indication mechanism 4 themselves can be directly mounted on the carrier 1. It is also understood that the housing of the pressure regulator 3 and the housing of the pressure display means 4 are of one-piece construction with the carrier 1. The carrier 1, the pressure regulator 3 and the pressure display mechanism 4 are of an integral structure, so that the structure is firm and the cost is low.
Preferably, the carrier 1 and the shell of the pressure regulator 3 are of an integral structure, and the pressure display mechanism 4 is separately installed; the carrier 1 is of one-piece construction with the housing of the pressure display means 4, while the pressure regulator 3 is separately mounted.
Preferably, the pressure regulator 3 and the pressure display mechanism 4 are integrated, and the pressure regulator 3 and the pressure display mechanism 4 are detachably mounted on the carrier 1.
Example two:
the basic structure is the same as the first embodiment, except that: the pressing component is a working air bag 5, the working air bag 5 is fixedly connected with the carrier 1, and the size of air pressure in the working air bag 5 is related to the action of the pressure regulator 3. As shown in fig. 1 and 2, the working envelope 5 is located below the carrier 1.
Preferably, the upper end of the working air bag 5 and the lower end surface of the carrier 1 are integrally vulcanized and fixed, so that the lower end surface of the carrier 1 is used as an inner side wall of the inner cavity of the working air bag 5;
preferably, the upper end of the working air bag 5 is connected with the carrier 1 by means of bonding, clamping and the like, so that the working air bag 5 is connected with the lower end surface of the carrier 1, and the lower end surface of the working air bag 5 is called a part of the inner side wall of the working air bag 5;
preferably, the working airbag 5 is an independent airbag component, the working airbag 5 is connected with the carrier 1, and an air nozzle joint communicated with the pressure regulator 3 and the pressure display mechanism 4 is arranged on the working airbag 5.
Example three:
the basic structure is the same as the embodiment, and the difference is that: the ligature belt 2 is located 1 below of carrier, and the both ends of ligature belt link to each other with the both ends of carrier 1 respectively, surround between ligature belt 2 and the carrier 1 and form and bind the space, work gasbag 5 is located this and binds the space, can make work gasbag 5 oppress on the artery wound when tightening up ligature belt 2.
Example four:
in order to adjust the air pressure in the working air bag through the pressure regulator 3, the pressure regulator 3 comprises an inflating cavity 3.1, a piston 3.2 and a driving piece for pushing the piston 3.2 to reciprocate are arranged in the inflating cavity 3.1, an air inlet 3.3 and an inflating hole 3.4 communicated with the working air bag 5 are arranged on the inflating cavity 3.1, a first one-way valve only allowing external air to enter the inflating cavity 3.1 is arranged on the air inlet 3.3, a second one-way valve only allowing air in the inflating cavity 3.1 to enter the working air bag 5 is arranged on the inflating hole 3.4, an exhaust hole is formed in the working air bag 5, and a pressure release valve 6 is arranged on the exhaust hole. The action of the pressure regulator 3 in this embodiment is the reciprocating motion of the piston 3.2, the reciprocating motion of the piston 3.2 is driven by the driving piece, and then two one-way valves are matched to enable the air of the external environment to be continuously pumped into the inflating cavity 3.1 and then be inflated into the working air bag 5 by the inflating cavity 3.1, so that the inflating of the working air bag is completed, and when the air pressure in the working air bag 5 is too large or needs to be reduced, the automatic pressure relief is realized by the pressure relief valve 6 on the exhaust hole or the pressure relief valve is manually controlled to be opened and closed to realize the pressure reduction of exhaust.
Preferably, in order to facilitate the inflation of the medical staff, the driving member is powered by a manual control mode, and specifically, the driving member includes a piston rod 3.5, one end of the piston rod 3.5 is connected to the piston 3.2, the other end of the piston rod 3.5 extends out of the inflation cavity 3.1, and a pressing portion 3.6 is disposed at an end portion of the piston rod 3.5 located outside the inflation cavity 3.1. Whereby the medical staff realizes a reciprocating movement of the piston rod 3.5 by gripping the pressing part 3.6.
Further, the cover has reset spring 3.8 on the piston rod 3.5, and reset spring 3.8's one end links to each other with piston 3.2, and reset spring 3.8's the other end links to each other with the inner wall of the chamber of inflating 3.1, realizes piston 3.2's automatic re-setting through reset spring 3.8's elasticity, and medical personnel only need apply the inward pressing force to pressing portion 3.6 and need not to pull and press portion 3.6 from this, makes medical personnel's operation more convenient.
Example five:
the basic structure is the same as the fourth embodiment, and the difference is that: as shown in fig. 2, the pressure regulator 3 and the pressure display mechanism 4 on the carrier 1 are of an integrated structure, and share a casing, one end of the casing is recessed to form a cavity with an opening, an opening of the cavity is covered by an end cover 3.9, the end cover 3.9 and the cavity surround to form an air inflating cavity 3.1, one end of a return spring 3.8 is connected with a piston 3.2, the other end of the return spring 3.8 is connected with the end cover 3.9, the end of a piston rod 3.5 passes through the end cover 3.9 and extends out of the casing, and the end of the piston rod 3.5 located outside the casing is provided with a pressing portion 3.6.
Preferably, the edge position of the pressing portion 3.6 forms an inverted buckle, and when the pressing portion 3.6 moves to the limit position towards the position of the end cap 3.9, the inverted buckle of the pressing portion 3.6 is buckled with the outer edge of the end cap 3.9, so that the axial movement of the pressing portion 3.6 is limited. The reverse buckle can make the pressing part 3.6 forcibly stand without inflating the piston 3.2 during packaging, transportation and the like of the hemostat. This not only can avoid piston rod 3.5 to stretch out to the casing outside too long and receive external force damage, perhaps medical personnel accomplish after the operation disease touch press portion 3.6 by mistake and lead to work gasbag 5 to be inflated again under reaching the condition of saturation pressure, perhaps the disease touches the piston rod and leads to work gasbag aversion etc. to touch the damage that leads to the fact by mistake.
Example six:
in order to simplify the structure of the pressure regulator 3 for manual inflation, as shown in fig. 3, the pressure regulator 3 includes an inflation cavity 3.1 and an external airbag 3.7, the external airbag 3.7 is arranged outside the inflation cavity 3.1 and is communicated with the inflation cavity, an air inlet 3.3 and an inflation hole 3.4 for communicating with the working airbag 5 are arranged on the inflation cavity 3.1, a first one-way valve for allowing only external air to enter the inflation cavity 3.1 is arranged on the air inlet 3.3, a second one-way valve for allowing only air in the inflation cavity 3.1 to enter the working airbag 5 is arranged on the inflation hole 3.4, an exhaust hole is arranged on the working airbag 5, and a pressure release valve 6 is arranged on the exhaust hole. External gasbag 3.7 made by elastic material through the extrusion can be so that external gasbag 3.7's volume dwindles, consequently, the atmospheric pressure in the chamber of inflating 3.1 risees, thereby make the chamber of inflating 3.1 aerify towards work gasbag 5 in, and medical personnel loosen external gasbag 3.7, then external gasbag 3.7 recovers under the effect of self elastic reset force, the volume of external gasbag 3.7 inflation that resets this moment, then the atmospheric pressure of the chamber of inflating 3.1 reduces, the air in exterior space gets into the chamber of inflating 3.1 from the inlet port, reciprocal completion is to the aerifing of work gasbag 5 in proper order. The action of the pressure regulator 3 in the embodiment refers to the contraction or expansion of the external air bag 3.7, the pressure regulator 3 with the structure is simpler in structure, and medical workers can extrude or grasp the external air bag 3.7 from any direction to realize the compression and reset expansion of the external air bag 3.7, so that the medical workers can operate more conveniently.
Example seven:
in order to enable the pressure regulator 3 to be capable of automatically inflating, so that the working airbag 5 can maintain pressure by timely automatic gas supplement when pressure reduction occurs due to the difference of air tightness under the condition that the working airbag 5 continuously maintains pressure, or in order to reduce the labor-consuming action caused by manual inflation of medical personnel, as shown in fig. 4, the pressure regulator 3 comprises an electric air pump 7 and a pressure release valve 6, the air outlet end of the electric air pump 7 is communicated with the working airbag 5, the working airbag 5 is provided with an exhaust hole, and the pressure release valve 6 is installed on the exhaust hole. The operation of the pressure regulator 3 in this embodiment refers to the start and stop of the electric air pump 7.
Preferably, although the air outlet end of the electric air pump 7 can be directly connected with the working air bag 5, if the electric air pump 7 fails and air leaks, the working air bag 5 may also be directly decompressed, which obviously causes an accident, so as to further improve the safety, as shown in fig. 4, the air outlet end of the electric air pump 7 is communicated with the inflating cavity 3.1, the inflating cavity 3.1 is communicated with the working air bag 5 through an inflating hole 3.4, and the inflating hole 3.4 is provided with a second one-way valve for only allowing the air in the inflating cavity 3.1 to enter the working air bag 5. Therefore, under the protection of the second one-way valve, the working air bag 5 cannot be reversely decompressed and exhausted from the inflating hole 3.4.
Example eight:
the basic structure is the same as that of the seventh embodiment, except that: as shown in fig. 5, a controller 8 and a pressure sensor 9 for detecting a pressure value in the working air bag 5 are arranged on the carrier 1, and the controller 8 controls the start and stop of the electric air pump 7 by receiving a detection signal of the pressure sensor 9. The controller 8 receives the detection signal from the pressure sensor 8, and converts the detection signal into a first control signal for starting and stopping the electric air pump 7.
Preferably, the controller 8 may be a control chip integrated on the carrier 1; or a connector capable of connecting with an external host; or a control chip integrated on the carrier 1 and connectable to an external host via an external interface or connection integrated on the carrier 1.
Preferably, the controller 8 is provided with an operable interface, such as a touch screen interface, and various parameters or control instructions are input or output through the operable interface, so that the controller 8 can output different control programs, the working airbag can automatically complete pressure maintaining at a plurality of pressure values, and finally, intelligent control of the electric air pump 7 is realized. The beneficial of bringing from this is that can give the oppression power of optimum artery wound based on the different time quantum of disease, can improve the effect that artery wound oppressed promptly, can reduce the misery that patient's artery wound received the oppression moreover.
Example nine:
the basic structure is the same as that of example eight, except that: the relief valve 6 adopt the solenoid valve, this solenoid valve is connected with 8 electricity of controller, controller 8 can export different control program and be used for controlling opening and stop of electronic air pump 7 and control opening and close of relief valve 6, realize aerifing to work gasbag 5 through electronic air pump 7, realize the automatic pressure release to work gasbag 5 through relief valve 6, realize under the mutually supporting of electronic air pump 7 and relief valve 6 that work gasbag 5 not only can step up according to the gradient of difference voluntarily, also can step down according to the automatic gradient of difference according to control program, finally realize the intelligent control of work gasbag 5 internal pressure.
Example ten:
the basic structure is the same as the first embodiment, and the difference is that: in order to enable medical staff to visually and visually read the real-time pressure value of the working air bag 5 when the arterial hemostat is used, and accordingly to adjust the pressure value to a proper pressure parameter in real time, as shown in fig. 1-2 or fig. 6-8, the pressure display mechanism 4 comprises a pressure detection cavity 4.1, a detection air bag 4.2 is arranged in the pressure detection cavity 4.1, a transparent area for observing the detection air bag 4.2 is arranged on the inner wall of the pressure detection cavity 4.1, the detection air bag 4.2 is reduced or expanded along with the change of air pressure in the working air bag 5, and a scale mark 4.3 for comparing the size of the detection air bag 4.2 is arranged on the transparent area.
The detection airbag 4.2 is an object with a sealed inner cavity inside, part or all of the detection airbag 4.2 is made of an elastic material, and the detection airbag 4.2 can contract or expand autonomously along with the change of the air pressure inside and outside the detection airbag 4.2, so that the change of the volume of the detection airbag 4.2 can be observed to correspond to the change of the pressure value in the working airbag 5.
Preferably, in order to visually recognize the volume change of the detection airbag 4.2 caused by the change of the internal and external air pressures, the detection airbag 4.2 includes a fixed plate, a movable plate and an airbag bag, two ends of the corrugated airbag bag are respectively fixed to the fixed plate and the movable plate, wherein the fixed plate is fixed to the inner wall of the pressure detection chamber 4.1, so that the movable plate can translate along with the change of the internal and external air pressures of the detection airbag 4.2, and the displacement of the movable plate is visually read through the scale lines 4.3 on the transparent area, thereby being capable of well corresponding to the pressure value of the working airbag 5.
Further, in order to increase the elastic force of the detection airbag 4.2, as shown in fig. 2 or fig. 8, a thrust spring is disposed in the detection airbag 4.2, and two ends of the thrust spring respectively abut against the fixed plate and the movable plate.
Example eleven:
the basic structure is the same as the first embodiment, and the difference is that: in order to enable medical personnel to read the real-time pressure value of the working air bag 5 by visual naked eyes when using the artery hemostat, the real-time pressure value is convenient to adjust to a proper pressure parameter in real time, as shown in fig. 3, the pressure display mechanism 4 comprises a pressure detection cavity 4.1, a partition plate 4.4 is arranged in the pressure detection cavity 4.1, the partition plate 4.4 separates the pressure detection cavity 4.1 into two sub-cavities, any one of the sub-cavities is communicated with the working air bag 5, the partition plate 4.4 is in sliding fit with the inner wall of the pressure detection cavity 4.1, the partition plate 4.4 is sealed with the joint of the inner wall of the pressure detection cavity 4.1, a transparent area for observing the position of the partition plate 4.4 is arranged on the inner wall of the pressure detection cavity 4.1, and a scale mark 4.3 for comparing the position of the partition plate 4.4.
The baffle 4.4 not only needs to slide fit with the inner wall of the pressure detection cavity 4.1 but also requires the joint of the baffle 4.4 and the inner wall of the pressure detection cavity 4.1 is sealed, the concrete structure of the baffle is that the baffle 4.4 is provided with a sliding sealing ring, the air on the two sides of the baffle can be blocked by the sliding sealing ring, the sealing effect is achieved, and the baffle 4.4 can automatically respond to the air pressure change on the two sides of the baffle 4.4 and move horizontally by the sliding fit of the sliding sealing ring and the inner wall of the pressure detection cavity 4.1. The change in the pressure value in the working airbag 5 is thereby determined by observing the change in the position of the diaphragm 4.4.
Preferably, as shown in fig. 3, a thrust spring is arranged in the sub-chamber on one side of the partition plate 4.4 away from the communication part of the partition plate 4.4 and the working air bag 5, and two ends of the thrust spring respectively abut against the inner side walls of the partition plate and the pressure detection chamber 4.1.
Example eleven:
the basic structure is the same as that of the tenth embodiment and the eleventh embodiment, except that: the transparent area is that the inner side wall of the pressure detection chamber 4.1 is cut into a strip-shaped through hole, a sealing plate made of transparent materials is embedded in the through hole, and medical workers can observe the condition in the pressure detection chamber 4.1 through the transparent sealing plate.
Preferably, the pressure detection chamber is entirely made of a transparent material, for example, a transparent plastic material, so that medical staff can directly observe the condition in the pressure detection chamber 4.1.
Example twelve:
the basic structure is the same as the first embodiment, and the difference is that: the pressure detection chamber 4.1 is internally provided with a pressure sensor 9, the pressure detection chamber 4.1 is externally provided with a display 11, and a detection signal of the pressure sensor 9 is displayed on the display 11 after being processed by the controller 8, so that the real-time display of the pressure value in the working air bag 5 is realized. Of course, the present embodiment is relatively expensive, and in consideration of cost control, it is preferable that the pressure detection chamber 4.1 is provided with a detection port for inserting the pressure sensor 9, and the display 11 and the controller are electrically connected to the pressure sensor 9, so that the pressure sensor, the controller and the display can be detached individually, and can be reused by sterilization after detection. In this embodiment, the working air bag 5, the binding band 2, the carrier 1, and the inflating chamber and the pressure detecting chamber on the carrier, which are in contact with the arterial wound of the human body, are disposable consumables, thereby ensuring the hygienic safety of the medical product, and the pressure sensor 9, the controller 8, and the display 11 of the electronic part are not easily contaminated by blood, so that recycling can be accomplished by sterilization. Finally, the detection accuracy and digitization can be guaranteed, and the cost is low.
Example thirteen:
in order to enable the binding band 2 to fix the carrier 1 on the human body and enable the working air bag 5 to be aligned with the artery wound, as shown in fig. 1 or fig. 6, the binding band 2 is in a strip-shaped structure, and connecting parts 1.1 for connecting the binding band 2 are respectively arranged on the two sides of the working air bag 5 on the carrier 1;
wherein, one end of the binding band 2 is fixedly connected with one connecting part 1.1 of the carrier 1, and the other end of the binding band 2 bypasses the working air bag 5 from the lower part of the working air bag 5 and is detachably connected with the connecting part 1.1 on the other end of the carrier 1.
Or any end of the binding belt 2 is detachably connected with one connecting part 1.1 of the carrier 1, and the other end of the binding belt 2 bypasses the working air bag 5 from the lower part of the working air bag 5 and is detachably connected with the connecting part 1.1 at the other end of the carrier 1;
or the binding belt 2 consists of two binding belts, one ends of the two binding belts are respectively and fixedly connected with the two connecting parts 1.1 on the carrier 1, and the other ends of the two binding belts are mutually connected;
or one end of the binding band 2 is fixedly connected with one of the connecting parts 1.1 of the carrier 1, and the other end of the binding band 2 is arranged on the connecting part 1.1 and can tighten the binding band 2 along the length direction of the binding band 2.
In order to make the ligature band 2 firm when binding on the human body, the tip of ligature band 2 is equipped with the magic subsides to can be fixed with self adhesion after making the tip of ligature band 2 turn over the book.
Example fourteen:
the basic structure is the same as the structure of the embodiment, and the difference is that: as shown in fig. 1-5, the inner side of the bandage 2 facing the compression assembly is provided with a resilient locating block 2.1. Specifically, oppression subassembly is work gasbag 5, ligature area 2 is equipped with the locating piece of evagination towards the inboard of work gasbag 5, locating piece 2.1 adopts the elasticity material to make, can effectually avoid the frictional resistance between ligature area 2 and the human body through this elasticity locating piece 2.1, avoids relative sliding between ligature area 2 and the human body, and the slippage of avoiding ligature area 2 from this leads to moves even dislocation between work gasbag 5 and the artery wound.
Example fifteen:
the basic structure is the same as the structure of the embodiment, and the difference is that: as shown in fig. 1, the two ends of the carrier 1 along the length direction thereof are respectively provided with a connecting part 1.1, the pressing component is arranged below the carrier 1 and between the two connecting parts, and the pressure regulator 3 and the pressure display mechanism 4 are arranged above the carrier 1 and are sequentially arranged along the length direction of the carrier 1.
Preferably, as shown in fig. 1, the housing of the pressure regulator 3 and the housing of the pressure display mechanism 4 are of an integral structure, and an inflating cavity 3.1 and a pressure detecting cavity 4.1 are arranged in the housing at intervals.
Example sixteen:
the basic structure is the same as the fifteenth structure of the embodiment, and the difference is that: as shown in fig. 6, the pressure regulator 3 and the pressure display mechanism 4 above the carrier 1 are juxtaposed in the width direction of the carrier.
Preferably, the casing of the pressure regulator 3 and the casing of the pressure display mechanism 4 are of an integral structure, and the casing is internally provided with an inflating cavity 3.1 and a pressure detection cavity 4.1 at intervals along the width direction of the carrier 1.
In the present embodiment, the pressure regulator 3 and the pressure display mechanism 4 on the carrier 1 are juxtaposed in the width direction of the carrier 1, so that the dimension in the length direction of the entire carrier 1 is small, the dimension in the width direction is large, and the whole is square. The device is beneficial to installation on the body, such as compression use of an artery wound after a cardiac pacemaker implantation bag operation.
When the artery hemostat comprises a controller 8, a pressure sensor 9, an electric air pump 7 and a magnetic valve as a pressure relief valve, the artery hemostat can realize automatic inflation and deflation, based on the invention, the automatic control method of the artery hemostat is provided, which comprises a carrier 1, a working air bag 5 and a binding belt 2 are arranged below the carrier 1, an air inflating cavity 3.1, a pressure detecting cavity 4.1 and a controller 8 are arranged above the carrier 1, the air inflating cavity 3.1 and the pressure detecting cavity 4.1 are respectively communicated with the working air bag 5, the electric air pump 7 is arranged on the air inflating cavity 3.1, the pressure sensor 9 for detecting the pressure value in the working air bag 5 is arranged on the pressure detecting cavity 4.1, the pressure relief valve 6 communicated with the working air bag 5 is arranged on the pressure detecting cavity 4.1 and/or the working air bag 5, the pressure relief valve 6 is an electromagnetic pressure relief valve, the method is characterized in that: it also comprises the following operation steps:
s1, aligning the working air bag 5 with the artery wound and binding the working air bag 5 on the human body through the bandage 2 so as to fix the working air bag 5 on the artery wound;
s2, opening the controller 8, wherein a touch screen operation interface is arranged on the controller 8, and one or more preset parameters are input on the operation interface; wherein the preset parameters comprise hemostasis pressure, pressure maintaining time, pressure reduction starting time, pressure reduction maintaining pressure, pressure reduction maintaining time and termination time;
s3, manually closing the pressure release valve 6 or automatically closing the pressure release valve 6 under the air control 8, and then or simultaneously controlling the electric air pump 7 to inflate the working air bag 5 to a preset pressure value by the controller 8; the preset pressure value is the hemostasis pressure.
S4, the controller 8 controls the start and stop of the electric air pump 7 and controls the start and stop of the pressure release valve 6 according to preset parameters, so that the air pressure in the working air bag 5 is maintained according to the preset parameters; the entire process includes, but is not limited to, a single pressure change.
S5, the controller 8 controls the electric air pump 7 to stop and controls the pressure relief valve 6 to open so that the air pressure in the working air bag 5 is equal to the external atmospheric pressure;
and S6, unbinding the binding band 2.
It should be noted that, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. 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.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Various alterations and modifications will no doubt become apparent to those skilled in the art after having read the above description. Therefore, the appended claims should be construed to cover all such variations and modifications as fall within the true spirit and scope of the invention. Any and all equivalent ranges and contents within the scope of the claims should be considered to be within the intent and scope of the present invention.
Claims (10)
1. An artery hemostat comprises a carrier (1), wherein a compression assembly and a binding belt (2) capable of driving the compression assembly to be attached to an artery wound are arranged on the carrier (1), a pressure regulator (3) is arranged on the carrier (1), and the pressure applied to the artery wound by the compression assembly is related to the action of the pressure regulator (3), and the artery hemostat is characterized in that: the pressure display mechanism (4) is arranged on the carrier (1), and the display area of the pressure display mechanism (4) changes in response to the pressure change of the compression assembly.
2. An arterial hemostat according to claim 1 wherein: the compression assembly is a working air bag (5), the working air bag (5) is fixedly connected with the carrier (1), and the size of air pressure in the working air bag (5) is related to the action of the pressure regulator (3).
3. An arterial hemostat according to claim 2 wherein: the pressure regulator (3) comprises an inflating cavity (3.1), a piston (3.2) and a driving piece for pushing the piston (3.2) to reciprocate are arranged in the inflating cavity (3.1), an air inlet (3.3) and an inflating hole (3.4) communicated with the working air bag (5) are arranged on the inflating cavity (3.1), a first one-way valve only for allowing external air to enter the inflating cavity (3.1) is arranged on the air inlet (3.3), a second one-way valve only for allowing air in the inflating cavity (3.1) to enter the working air bag (5) is arranged on the inflating hole (3.4), an exhaust hole is formed in the working air bag (5), and a pressure release valve (6) is arranged on the exhaust hole.
4. An arterial hemostat according to claim 3 wherein: the driving piece comprises a piston rod (3.5), one end of the piston rod (3.5) is connected with the piston (3.2), the other end of the piston rod (3.5) extends out of the inflating cavity (3.1), and a pressing part (3.6) is arranged at the end part of the piston rod (3.5) located out of the inflating cavity (3.1).
5. An arterial hemostat according to claim 2 wherein: the pressure regulator (3) comprises an electric air pump (7) and a pressure release valve (6), the air outlet end of the electric air pump (7) is communicated with a working air bag (5), an exhaust hole is formed in the working air bag (5), and the pressure release valve (6) is installed on the exhaust hole.
6. An arterial hemostat according to claim 5 wherein: the air pump is characterized in that a controller (8) and a pressure sensor (9) used for detecting the internal pressure value of the working air bag (5) are arranged on the carrier (1), and the controller (8) controls the electric air pump (7) to start and stop by receiving a detection signal of the pressure sensor (9).
7. An arterial hemostat according to any one of claims 2-6, wherein: pressure display mechanism (4) are including pressure detection chamber (4.1), be equipped with in pressure detection chamber (4.1) and detect gasbag (4.2), be equipped with the transparent area that is used for observing to detect gasbag (4.2) on the inner wall in pressure detection chamber (4.1), detect gasbag (4.2) and reduce or expand along with the atmospheric pressure change in work gasbag (5), be equipped with scale mark (4.3) that are used for comparing to detect gasbag (4.2) size on the transparent area.
8. An arterial hemostat according to any one of claims 2-6, wherein: pressure display mechanism (4) are including pressure measurement chamber (4.1), be equipped with baffle (4.4) in pressure measurement chamber (4.1), baffle (4.4) separate into two sub-chambeies with pressure measurement chamber (4.1), and arbitrary one of them sub-chambeies and work gasbag (5) intercommunication, baffle (4.4) just with the inner wall sliding fit of pressure measurement chamber (4.1) baffle (4.4) are sealed with the laminating department of pressure measurement chamber (4.1) inner wall, be equipped with the transparent region who is used for observing baffle (4.4) position on the inner wall of pressure measurement chamber (4.1), be equipped with scale mark (4.3) that are used for comparing baffle (4.4) position on the transparent region.
9. An arterial hemostat according to claim 1 wherein: the both ends of ligature area (2) link to each other with connecting portion (1.1) that lie in oppression subassembly both sides on carrier (1) respectively, ligature area (2) are equipped with elastically positioned piece (2.1) towards the inboard of oppression subassembly.
10. The utility model provides an automatic control method of artery haemostat, it includes carrier (1), one side of carrier (1) is equipped with work gasbag (5) and ligature area (2), the opposite side of carrier (1) is equipped with air inflating chamber (3.1), pressure detection chamber (4.1) and controller (8), air inflating chamber (3.1) and pressure detection chamber (4.1) communicate with work gasbag (5) respectively, be equipped with electronic air pump (7) on air inflating chamber (3.1), be equipped with pressure sensor (9) that are used for detecting work gasbag (5) internal pressure value on pressure detection chamber (4.1), be equipped with relief valve (6) that communicate with work gasbag (5) on pressure detection chamber (4.1) and/or work gasbag (5), relief valve (6) are electromagnetic relief valve, its characterized in that: it also comprises the following operation steps:
s1, aligning the working air bag (5) to the artery wound and binding the working air bag (5) to the human body through a bandage (2) so that the working air bag (5) is fixed on the artery wound;
s2, opening the controller (8), and inputting one or more preset parameters; wherein the preset parameters comprise hemostasis pressure, pressure maintaining time, pressure reduction starting time, pressure reduction maintaining pressure, pressure reduction maintaining time and termination time;
s3, closing the pressure relief valve (6), and controlling the electric air pump (7) to inflate the working air bag (5) to a preset pressure value by the controller (8);
s4, the controller (8) controls the electric air pump (7) to be started and stopped and controls the relief valve (6) to be opened and closed according to preset parameters, so that the air pressure in the working air bag (5) is maintained according to the preset parameters;
s5, the controller (8) controls the electric air pump (7) to stop, and controls the pressure relief valve (6) to open so that the air pressure in the working air bag (5) is equal to the external atmospheric pressure;
and S6, unbinding the binding band (2).
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| CN202010253990.5A CN111436996A (en) | 2020-04-02 | 2020-04-02 | Artery hemostat and automatic control method |
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| CN202010253990.5A CN111436996A (en) | 2020-04-02 | 2020-04-02 | Artery hemostat and automatic control method |
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| CN112807051A (en) * | 2021-01-12 | 2021-05-18 | 李正蒙 | Tourniquet pretension appearance for blood sampling |
| CN113974941A (en) * | 2021-12-08 | 2022-01-28 | 郑州颐和医院 | Orthopedic appliance for resetting and fixing orthopedics department |
| CN114533176A (en) * | 2022-02-18 | 2022-05-27 | 刘元丰 | Intelligent pressure-regulating urethral compression hemostasis device |
| WO2023283008A1 (en) * | 2021-07-06 | 2023-01-12 | Terumo Medical Corporation | Monitoring system for a hemostasis band |
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| CN208864401U (en) * | 2017-12-22 | 2019-05-17 | 孟锋 | A kind of multi-functional radial artery balloon tamponade haemostat |
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| CN104095663A (en) * | 2014-07-31 | 2014-10-15 | 吴宁 | Electronic intelligent artery compression hemostat |
| CN208864401U (en) * | 2017-12-22 | 2019-05-17 | 孟锋 | A kind of multi-functional radial artery balloon tamponade haemostat |
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| CN113974941B (en) * | 2021-12-08 | 2023-01-17 | 郑州颐和医院 | Orthopedic appliance for resetting and fixing orthopedics department |
| CN114533176A (en) * | 2022-02-18 | 2022-05-27 | 刘元丰 | Intelligent pressure-regulating urethral compression hemostasis device |
| CN114533176B (en) * | 2022-02-18 | 2024-03-12 | 刘元丰 | Intelligent pressure regulating type urethra compression hemostasis device |
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Effective date of registration: 20220415 Address after: No.57, Xingning Road, Yinzhou District, Ningbo City, Zhejiang Province, 315041 Applicant after: NINGBO MEDICAL CENTER LIHUILI Hospital Address before: Department of Cardiology, Li Huili hospital, Ningbo medical center, 57 Xingning Road, Baihe street, Yinzhou District, Ningbo City, Zhejiang Province, 315040 Applicant before: Lian Jiangfang |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200724 |