WO2015158057A1

WO2015158057A1 - Hemostat

Info

Publication number: WO2015158057A1
Application number: PCT/CN2014/082948
Authority: WO
Inventors: 黄旭明
Original assignee: 黄旭明
Priority date: 2014-04-15
Filing date: 2014-07-24
Publication date: 2015-10-22
Also published as: CN103919588A; CN103919588B

Abstract

A hemostat comprises a compressing body (2) and a regulating component (3). The compressing body (2) is provided with an inner cavity (20) that is capable of containing liquid and the effective volume of which can be changed according to the amount of the liquid in the inner cavity (20). The regulating component (3) is provided with a liquid storage cavity (30) for containing liquid. The liquid storage cavity (30) is in communication with the inner cavity (20). The regulating component (3) is used for regulating the relative amount between liquid in the liquid storage cavity (30) and liquid in the inner cavity (20) so that the liquid can flow between the liquid storage cavity (30) and the inner cavity (20) and the pressure applied by the compressing body (2) can be changed. According to the provided hemostat, because the liquid is sealed between the two cavities (20, 30), a control valve is not needed to obtain the hemostat and an external liquid source is also not needed, so that the manufacturing cost and the using cost are effectively reduced, and the compressing force of the compressing body (2) can be regulated very conveniently. Because liquid serves as a working medium, the flow direction is easy to change, which facilitates space arrangement of the components in use locations and avoids a hidden danger caused by a collision between the regulating component (3) and another object; the condition of a hemorrhagic spot can be seen very easily, and the hemostat has a good using effect and high reliability.

Description

Hemostasis

Technical field

The invention belongs to the field of medical instruments, and in particular relates to a hemostatic device.

Background technique

Current hemostatic devices, such as hemostatic devices, mostly compress the bleeding point through the balloon. The balloon is operated by an external syringe. The balloon must be connected to the syringe each time the pressure is adjusted. The operation is inconvenient and has high experience requirements for the operator. Clinically, it is required to periodically decompress the force to prevent the occurrence of radial artery complications during hemostasis. Therefore, medical personnel need to use a syringe to reduce the gas several times, and the amount of labor is quite large.

In the prior art, the pressure point is pressed by a pneumatic or hydraulic driving platen, and the air pressure or the hydraulic cylinder is longitudinally disposed and directly above the pressure plate, and an inflation (liquid) hole or a deflation (liquid) hole is provided at the top end, and the valve is provided. Manual control, pressing the bleeding point by adjusting the longitudinal position of the platen. The above structure also requires an external air source or a liquid source, and has the same disadvantages as the above-described air bag type hemostatic device. Moreover, due to the vertical setting of the air pressure or the hydraulic device, the surface of the hemostatic device is high, and it is easy to collide with the outside world, thereby causing pressure displacement, causing bleeding and patient discomfort. At the same time, such a hemostatic device using a longitudinal platen structure is disadvantageous for observing the bleeding point because the air pressure or hydraulic device is located directly above the bleeding point.

technical problem

The object of the present invention is to overcome the above deficiencies of the prior art and to provide a hemostatic device which is easy to operate and has good controllability. It is also safe and reliable, and it is also beneficial for observation in use. The structure is simple and the manufacturing cost is low.

Technical solution

The technical solution of the present invention is:

A hemostatic device comprising: a compression body having a lumen capable of containing a liquid and capable of changing its effective volume by the amount of liquid placed therein;

An adjustment member having a reservoir containing a liquid, the reservoir being in communication with the lumen, the adjustment member for regulating a relative amount of liquid between the reservoir and the lumen such that Liquid flows between the reservoir chamber and the inner chamber to change the applied pressure of the compression body.

Optionally, the inner cavity of the pressing body communicates with the liquid storage cavity through a communication hole or a communication pipe.

Optionally, the adjustment member further has an adjustment assembly for regulating the amount of liquid in the reservoir to flow the liquid between the reservoir and the lumen.

Optionally, the adjustment component includes a storage body, the liquid storage cavity is disposed in the storage body, and the adjustment component further includes a piston slidably disposed in the liquid storage cavity and connected to the piston for A drive member that drives the movement of the piston.

Optionally, the piston includes a piston body and a sealing body for sealing the reservoir chamber, the sealing body being coupled to the piston body.

Optionally, one end of the driving member passes through a sidewall of the storage body and is screwed with the sidewall and is connected to the piston, and the other end of the driving member is provided with an adjustment knob or a driving gear.

Optionally, the hemostatic device further comprises a base body, wherein the communication hole is in the form of a slit or a plurality of adjacently arranged small holes, and is disposed on the base body, wherein the pressing body is located at one of the communication holes On the side, the storage body is located on the other side of the communication hole.

Optionally, the base body is a belt-shaped member, or the base body is a plate-shaped member, and two ends are respectively connected with a wristband.

Optionally, the adjustment member further has an elastic bladder that communicates with the reservoir chamber to allow an operator to flow between the reservoir chamber and the lumen by force gripping.

Optionally, the compression body is made of a transparent material that facilitates observation of bleeding points.

Optionally, the outer wall of the storage body is provided with a scale mark indicating a moving distance of the adjusting component.

Optionally, the pressing body is an elastic member, or the pressing body has a wave-folded shape along a pressing direction thereof.

Beneficial effect

The hemostatic device provided by the invention adjusts the shape of the compression body by the user adjusting the amount of liquid pressing the liquid between the inner cavity and the liquid storage cavity to flow between the liquid storage cavity and the inner cavity. This mode, because the liquid is enclosed between the two cavities, does not need to be realized by the control valve, and does not need an external liquid source, thus not only reducing the manufacturing cost and the use cost, but also bringing the operation convenience. The patient's bleeding point can be pressured in a step-by-step manner, and the pressure of the liquid entering the compression body can be adjusted according to the condition of the bleeding point to adjust the pressure. Therefore, the pressure of the hemostatic device can be precisely adjusted, the stability during use is good, no professional skills are required, and the user has no operational proficiency requirement; since the liquid flow direction is easy to change, the space arrangement of each component at the use position is facilitated. The structural arrangement and the relative position setting of the adjusting component and the pressing body can be more flexible, occupying a small space, and avoiding the hidden danger that the adjusting component collides with other objects due to the protrusion being too high. Further, the pressing body can be made of a transparent material, and since the regulating member does not need to be disposed directly above the pressing body, the bleeding point can be easily seen, the use effect is good, and the reliability is high.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

1 is a schematic perspective view of a hemostatic device according to an embodiment of the present invention;

2 is another schematic perspective view of the hemostatic device provided by the embodiment of the present invention;

3 is a schematic cross-sectional view of a hemostatic device according to an embodiment of the present invention;

4 is a schematic perspective view of a hemostatic device according to another embodiment of the present invention;

Figure 5 is a plan view showing a hemostatic device according to another embodiment of the present invention;

6 is a schematic cross-sectional view of a hemostatic device according to another embodiment of the present invention.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It is to be noted that when an element is referred to as being "fixed" or "in" another element, it can be directly on the other element or the central element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or the central element.

It should also be noted that the terms of the left, right, up, and down orientations in this embodiment are merely relative concepts or reference to the normal use state of the product, and should not be considered as limiting.

As shown in FIG. 1 to FIG. 3, a hemostatic device according to an embodiment of the present invention may be a hemostatic device, etc. In the present embodiment, a hemostatic device is taken as an example to illustrate the beneficial effects of the present invention. The hemostatic device comprises a compression body 2 and an adjustment member 3, wherein the compression body 2 has a lumen 20 for containing a liquid, the lumen 20 of which can accommodate a volume of liquid and can be passed through the amount of liquid placed therein. The effective volume is changed, i.e., the size of the space of the inner chamber 20 changes as the amount of liquid entering it changes. The adjusting member 3 cooperates with the pressing body 2, and has a liquid storage chamber 30 for accommodating a liquid. The liquid storage chamber 30 communicates with the inner chamber 20, and the liquid can flow between the liquid storage chamber 30 and the inner chamber 20, and the storage is regulated. The effective volume of the liquid between the liquid chamber 30 and the inner chamber 20, that is, the amount of liquid entering the inner chamber 20, can change the size and shape of the pressing body 2, and change the pressure exerted by the pressing body 2 to achieve compression at the bleeding point. Adjustment of force. The invention adopts a liquid as a working medium, and the pressure of the pressure is changed by adjusting the component 2 to make the liquid flow in different chambers, thereby realizing the hemostatic function of the bleeding point. Since the liquid is not easily compressed, the stability thereof is good, and the amount of liquid entering the inner cavity 20 of the pressing body 2 can be conveniently and accurately adjusted, thereby accurately adjusting the pressing force of the hemostatic device, and the stability during use is good, and no professional skill is required. The user has no operational proficiency requirements and has good handling performance. Moreover, since the liquid flow direction is easy to change, this can facilitate the spatial arrangement of the components of the hemostatic device. The adjustment member 3 and the compression body 2 can be flexibly set according to the different positions of the bleeding points, and the adjustment member 3 can also be placed at the bleeding point. Outside the location, it avoids the danger of colliding with other objects. Moreover, the pressing body 2 can be made of a transparent material, and the bleeding point can be easily seen, which is convenient for the operator to observe and has a good use effect.

It can be understood that the pressing body 2 can be an elastic member, or the pressing body 2 has a wave-folded shape along the pressing direction thereof, which facilitates expansion or retraction when the inner cavity 20 of the pressing body 2 has a different liquid amount. As shown in FIG. 1 to FIG. 3, in the illustrated embodiment of the present invention, the regulating member 3 includes a storage body 31 having the above-mentioned liquid storage chamber 30 for accommodating liquid, the liquid storage chamber 30 and the inside. The chamber 20 is in communication; the regulating member 3 further includes an adjustment assembly 32 for regulating the amount of liquid in the reservoir 30. By adjusting the amount of liquid entering the inner chamber 20 in the liquid storage chamber 30, the liquid flows between the liquid storage chamber 30 and the inner chamber 20, and the shape of the pressing body 2 can be changed, so that the hemostasis pressure can be conveniently controlled. the size of. When pressurizing, it is only necessary to operate the adjusting component 32 to cause the liquid in the liquid storage chamber 30 to flow into the inner cavity 20, and the effective volume in the cavity is increased, so that the pressing body 2 is outwardly convex and expanded, thereby pressing the bleeding point; When the pressing force is similar, the adjusting component 32 can also be operated, so that the volume of the liquid storage chamber 30 can be conveniently increased, and the liquid in the inner cavity 20 of the pressing body 2 will be returned to the liquid storage chamber 30, so that the pressing body 2 is retracted. The size is reduced, which reduces the pressure.

Specifically, as shown in FIG. 1 to FIG. 3 , the adjusting component 32 includes a piston 321 slidably disposed in the liquid storage chamber 30 and a driving member 322 for driving the piston 321 , and the driving member 322 is disposed on the sidewall of the storage body 31 . The driving direction is perpendicular to the direction in which the pressing body 2 is biased. In this way, the height of the entire adjustment member 3 can be set lower, further avoiding the possibility of colliding with other objects. The piston 321 and the driving member 322 may be provided in one or two groups or the like. When two sets are provided, the two pistons 321 are disposed opposite to each other, and the adjusting pistons 321 can be approached or relatively away from each other in opposite directions, so that the stroke of the piston 321 can be reduced by half, and the driving member can be shortened. The length of 322.

Specifically, as shown in FIGS. 1 to 3, the piston 321 includes a piston body 3211 and a sealing body 3212, and the sealing body The 3212 is connected to the piston body 3211. The sealing body 3212 can be made of an elastic material, and can be connected to one end surface of the piston body 3211, or can be sleeved on the outer peripheral wall of the piston body 3211, similar to the structure of the piston ring, for sealing. Reservoir chamber 30. The outer peripheral wall of the sealing body 3212 is attached to the inner peripheral wall of the reservoir chamber 30 to prevent liquid leakage. Alternatively, it is also possible to change the volume of the reservoir chamber 30 by adjusting the volume of the article projecting into the reservoir chamber 30, all of which are within the scope of the present invention.

Specifically, as shown in FIG. 1 to FIG. 3, the driving member 322 is screwed to the side wall of the storage body 31, and one end of the driving member 322 passes through the side wall of the storage body 31, and is screwed with the side wall and the piston 321 Connected, the other end is provided with an adjustment knob 323. By rotating the adjustment knob 323, the piston 321 can be driven forward or backward. When the adjustment knob 323 is rotated forward, the piston 321 is advanced, the volume of the liquid storage chamber 30 is reduced, and the liquid enters the inner cavity 20 of the pressing body 2, so that The pressing body 2 generates a large pressing force; when the adjusting knob 323 is reversely rotated, the piston 321 is retracted, the volume of the liquid storage chamber 30 is increased, and the liquid can be returned to the liquid storage chamber 30, so that the pressing force generated by the pressing body 2 is correspondingly lowered. . The pressing force can be precisely adjusted by the number of turns of the adjusting knob 323, and the operation is simple and easy. Alternatively, the driving member 322 may be disposed in other suitable structures or forms, such as the advancement and retreat of the piston 321 by the turbine vortex, or the driving member 322 is directly slidably disposed on the side wall of the storage body 31, and the driving member is passed through the plug structure or the like. The axial positioning of the 322 can also control the advance and retreat of the piston 321 , and both can drive the advance and retreat of the piston 31 , which are all within the protection scope of the present invention. In this embodiment, the driving member 322 has a screw shape. In a specific application, the driving member 322 can be manually rotated by the adjusting knob 323, or the motor can be driven to drive the driving member 322 to rotate.

Alternatively, the driving member 322 is connected to the side wall of the storage body 31 and is screwed to the side wall and connected to the piston 321 . The other end of the driving member 322 can be connected with a driving gear, and the driving gear can be driven by a motor or Manually rotate the drive.

It can be understood that the present invention can also provide a scale mark on the outer side wall of the storage body 31 to display the moving distance of the driving member 322 for the operator to use and adjust.

As shown in FIG. 1 to FIG. 3, the illustrated embodiment of the present invention further includes a base body 1 which is specifically plate-shaped and has bent portions at both ends, and the pressing body 2 is disposed on the base body 1. One side, located below the middle of the base 1, is arranged horizontally parallel to the middle of the base 1 for pressing the bleeding point. Specifically, the pressing body 2 and the storage body 31 may be respectively disposed on both sides of the base body 1 or on the same side of the base body 1. In this embodiment, the pressing body 2 is located at the inner side (lower end) of the base body 1, and the storage body 31 is located at the outer side (upper end) of the base body 1. The pressing body 2 and the liquid storage chamber 30 communicate with each other through a communication hole 10, and the communication hole 10 is disposed. The substrate 1 may be in the form of a slit or a plurality of adjacently arranged small holes or the like. Alternatively, the storage body 31 may have a separate design, and the inner cavity 20 of the pressing body 2 and the liquid storage chamber 30 of the storage body 31 are connected through a communication tube, and the communication tube may be a soft rubber tube or the like, and the connecting tube and the pressing body 2 or/and The storage bodies 31 can be reliably sealed by a threaded interface or the like, and the storage body 31 can be removed when it is not necessary to adjust the pressure of the pressing body 2. In a specific application, the pressing body 2 and the storage body 31 may be oppositely disposed, and the pressing body 2 and the storage body 31 may be connected through a communication tube, that is, the pressing body 2 and the storage body 31 may be disposed on the inner side of the wrist. A wrist strap may be connected between the pressing body 2 and the storage body 31.

Alternatively, as shown in FIGS. 4 to 6, the pressing body 2 and the storage body 31 may be disposed on the same side of the base 1, and the pressing body 2 and the storage body 31 are both located inside the base 1 and communicated through the connecting passage 10. The adjusting member is an adjusting member 33 that is coupled to the side wall of the base 1 and that can press the storage body 31. The storage body 31 may be made of an elastic material, and the adjusting member 33 can adjust the pressure of the pressing member 2 by adjusting the degree of pressing of the storage body 31.

Specifically, as shown in FIG. 1 to FIG. 3, the base 1 may be in the form of a transparent plate, the pressing body 2 is also made of a transparent material, the communication hole 10 is in the shape of a slit, and the pressing body 2 is located on one side of the communication hole 10, and the storage body 31 is located on the other side of the communication hole 10, and the pressing body 2 and the storage body 31 are staggered back and forth to facilitate observation of the condition in which the pressing body 2 is urged at the bleeding point. Of course, the arrangement of the pressing body 2 and the storage body 31 can also be aligned vertically. If both the pressing body 2 and the storage body 31 are located inside the base body 1, the pressing body 2 and the storage body 31 can also be side by side or side by side or the like.

Specifically, the base body 1 may be a belt-shaped member, or may be a plate-shaped member as shown in the figure, and a connection port is formed at both ends, and a wrist strap (not shown) may be respectively connected to facilitate wearing the hemostatic device. At the wrist.

As an extension of the inventive concept, the adjusting member may also be provided with an elastic bladder having a compressed gas, which is connected to the liquid storage chamber through a gas pipe, and the gas can be used to grasp the liquid to the liquid storage chamber. The liquid inside presses, so that the liquid in the liquid storage chamber flows into and compresses the inner body cavity to change the shape of the pressing body to expand outward; and when the operator releases the hand, the gas flows back into the elastic bladder, and the pressing body The original shape can be restored, and the object of the present invention can be achieved as well.

In summary, the hemostatic device provided by the embodiment of the present invention can conveniently adjust the pressing force of the pressing body 2 by providing the adjusting member 3 for adjusting the liquid volume of the inner cavity 20 of the pressing body 2, The liquid is used as the working medium, and the liquid is not easily compressed, and the stability thereof is good, and the liquid entering the pressing body 2 can be conveniently and accurately adjusted to accurately adjust the pressing force of the hemostatic device without professional skill and no operation to the user. Proficiency requirements. Moreover, by means of liquid pressing, since the liquid flow direction is easy to change, the setting of the adjusting member 3 can be more flexible, and it does not need to protrude too high from the base body 1, and can even be disposed on the same side as the pressing body 2, thereby avoiding collision with other objects. Hidden dangers. Further, the base body 1 and the pressing body 2 can be made of a transparent material, and since the regulating member 3 does not need to be disposed directly above the pressing body 2, the bleeding point can be easily seen, and the use effect is good.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the spirit and scope of the present invention should be included in the scope of the present invention. Inside.

Claims

A hemostatic device, comprising:

a compression body having a lumen that can hold a liquid and that can change its effective volume by the amount of liquid placed therein;

An adjustment member having a reservoir containing a liquid, the reservoir being in communication with the lumen, the adjustment member for regulating a relative amount of liquid between the reservoir and the lumen such that Liquid flows between the reservoir chamber and the inner chamber to change the applied pressure of the compression body.
The hemostatic device according to claim 1, wherein the lumen of the compression body communicates with the reservoir chamber through a communication hole or a communication tube.
A hemostatic device according to claim 2, wherein said regulating member further has a fluid for adjusting the amount of liquid in said reservoir to cause said liquid in said reservoir and said lumen Flow regulating components.
The hemostatic device according to claim 3, wherein the adjustment assembly comprises a storage body, the liquid storage chamber is disposed in the storage body, and the adjustment assembly further comprises a sliding arrangement disposed in the liquid storage chamber a piston and a drive member coupled to the piston for driving the piston to move.
A hemostatic device according to claim 4, wherein said piston comprises a piston body and a sealing body for sealing said reservoir, said sealing body being coupled to said piston body.
The hemostatic device according to claim 4, wherein one end of the driving member passes through a side wall of the storage body and is screwed with the side wall and connected to the piston, and the other end of the driving member It has an adjustment knob or a drive gear.
The hemostatic device according to any one of claims 2 to 6, further comprising a base body, wherein the communication hole has a slit shape or a plurality of adjacently arranged small holes, and is disposed on the base body. The pressing body is located at one side of the communication hole, and the storage body is located at the other side of the communication hole.
The hemostatic device according to claim 7, wherein the base body is a band-shaped member, or the base body is a plate-like member, and a wrist band is respectively connected to both ends.
A hemostatic device according to any one of claims 1 to 6 or 8, wherein the compression body is made of a transparent material for facilitating observation of bleeding points.
A hemostatic device according to any of claims 3-6, wherein the outer wall of the storage body is provided with a scale mark indicating the distance of movement of the adjustment assembly.
The hemostatic device according to any one of claims 1 to 6 or 8, wherein the pressing body is an elastic member, or the pressing body has a wave-folded shape along a pressing direction thereof.