CN113367764A

CN113367764A - Hemostat

Info

Publication number: CN113367764A
Application number: CN202110787521.6A
Authority: CN
Inventors: 胡博文; 李帅兵; 张宏伟; 范国龙; 李超; 刘小建; 张昱昕
Original assignee: Lepu Medical Technology Beijing Co Ltd
Current assignee: Lepu Medical Technology Beijing Co Ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-09-10

Abstract

The invention discloses a hemostat, which comprises a shell, a binding band, an adjusting component and a hemostatic piece, wherein the binding band is connected with the shell and forms a binding space for binding a wound position of a patient; the adjusting component is arranged on the shell; the hemostatic piece is arranged on the adjusting component and is used for pressing the wound of the patient to stop bleeding; the adjustment assembly is adapted to change the position of the hemostatic member to adjust the amount of pressure applied by the hemostatic member against the wound site of the patient. The structure of the hemostat is improved, the compression force can be adjusted, the comfort level of a patient using the hemostat is improved while a certain hemostasis effect is achieved, a doctor can observe a wound conveniently, and the operation convenience is improved.

Description

Hemostat

Technical Field

The invention relates to the technical field of medical instruments, in particular to a hemostat.

Background

The study of Percutaneous Coronary Intervention (PCI) began in the 70's of the 20 th century. With the increasing aging degree of population, the gradual maturity of interventional therapy technology and accessories, the number of PCI operations is increasing, and the demand of disposable radial artery compression hemostat is also increasing. A disposable radial artery compression hemostat is an auxiliary device used for radial artery compression hemostasis after percutaneous artery intervention.

However, the conventional hemostat has the problems that the pressure head applies too much or too little pressure to the wound of a patient, when the pressure is too much, the patient feels extreme discomfort, and when the pressure is too little, the hemostatic effect is poor.

Disclosure of Invention

The invention mainly aims to provide a hemostat, which aims to realize the function of regulating the pressure of the hemostat, achieve the hemostatic effect and simultaneously improve the comfort level of a patient when using the hemostat.

To achieve the above object, the present invention provides a hemostat, comprising:

a housing;

the bandage is connected with the shell and forms a binding space for binding the wound mouth of the patient in a surrounding manner with the shell;

an adjustment assembly mounted to the housing; and

the hemostatic piece is arranged on the adjusting component and is used for pressing the wound of the patient to perform hemostasis;

the adjusting component is used for changing the position of the hemostatic piece so as to adjust the pressure applied by the hemostatic piece to the wound of the patient.

Optionally, the adjustment assembly comprises:

the shell is provided with a mounting hole for mounting the screw rod, the screw rod is movably inserted into the mounting hole, and the hemostatic piece is arranged at the insertion end of the screw rod;

the threaded sleeve is sleeved on the screw and is in threaded fit with the screw; and

and the knob surrounds the screw rod and is abutted against the threaded sleeve through an elastic piece.

Optionally, an inserting end of the screw rod is provided with a compression head, and the hemostatic member is covered on the compression head.

Optionally, the hemostatic member is made of a transparent material; the screw is made of transparent materials; the thread sleeve is made of transparent materials; the knob is made of transparent materials; the shell is made of transparent materials.

Optionally, the hemostatic member is made of silica gel, and the hemostatic member is arranged in a concave shape.

Optionally, a protruding part is arranged on one side of the hemostatic piece opposite to the screw rod, so that the wound of the patient can be observed in an enlarged mode; or

The binding surface of the hemostatic piece and the screw rod is a plane.

Optionally, the hemostat further comprises a marker, and the marker is arranged on the inner wall of the knob; the knob is provided with scale marks for reading the pressure value applied by the hemostatic piece to the wound of the patient through the compression degree of the elastic piece.

Optionally, the screw is provided with a viewing aperture extending from the top to the bottom of the screw.

Optionally, the diameter of the viewing aperture is 8.00mm to 15.00 mm.

Optionally, the casing includes the backup pad, the backup pad is equipped with the fixed arm and locates respectively the first linking arm and the second linking arm at fixed arm both ends, first linking arm with the fixed arm is the circular arc transition, first linking arm with the one end of bandage is connected, the second linking arm with the other end of bandage is connected, the second linking arm with the fixed arm is connected and is formed the opening orientation bind the contained angle in space.

Optionally, the included angle is 135 °.

Optionally, the first connecting arm and the second connecting arm are both provided with a clamping groove, and a fastening buckle is arranged at a position of the binding band corresponding to the clamping groove and is buckled into the clamping groove.

Optionally, the support plate has a thickness of 1.00mm to 3.00 mm.

Optionally, the housing further includes a fixing member, the fixing member is disposed in the mounting hole, and the fixing member is provided with a through hole for the screw rod to pass through.

Optionally, the hemostat is a radial artery compression hemostat.

In the technical scheme of the invention, the hemostat comprises a shell, a binding band, an adjusting component and a hemostatic piece, wherein the binding band is connected with the shell and forms a binding space for binding the wound position of a patient; the adjusting component is arranged on the shell; the hemostatic piece is arranged on the adjusting component and is used for pressing the wound of the patient to stop bleeding; the adjustment assembly is adapted to change the position of the hemostatic member to adjust the amount of pressure applied by the hemostatic member against the wound site of the patient. The hemostatic device has the advantages that the hemostatic device realizes the function of adjusting the pressure applied to the wound of the patient by the hemostatic piece by arranging the adjusting component, achieves the hemostatic effect, and improves the comfort level of the patient in use of the hemostatic device.

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

FIG. 1 is a schematic structural view of an embodiment of the hemostat of the present invention;

FIG. 2 is an exploded view of an embodiment of the hemostat of the present invention;

FIG. 3 is a cross-sectional view of one embodiment of the hemostat of the present invention;

FIG. 4 is a schematic view of a hemostatic member according to an embodiment of the hemostat of the present invention;

fig. 5 is a schematic structural view of a hemostatic member in another embodiment of the hemostat of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Shell body	110	Supporting plate
200	Binding band	310	Screw rod
				300	Adjusting assembly	320	Thread bush
400	Hemostatic member	330	Rotary knob
				311	Pressing head	340	Elastic piece
120	Fixing piece	310a	Observation hole
				111	Fixed arm	401	Convex part
113	Second connecting arm	100a	Mounting hole
				101	Clamping groove	112	First connecting arm
201	Sticking button	500	Sign piece

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are 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 at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In some exemplary techniques, the hemostat has the problem that the compression head applies too much or too little pressure to the wound of the patient, when the pressure is too high, the patient feels extreme discomfort, and when the pressure is too low, the hemostatic effect is poor.

The invention provides a hemostat, in particular to a disposable radial artery compression hemostat which can also be suitable for stopping bleeding of wound openings of other parts of patients, and is not limited to the radial artery.

Referring to fig. 1 to 3, in an embodiment of the present invention, the hemostat includes a housing 100, a strap 200, an adjusting assembly 300 and a hemostatic member 400, wherein the strap 200 is connected to the housing 100 and encloses with the housing 100 to form a binding space for binding the wound site of a patient; the adjustment assembly 300 is mounted to the housing 100; the hemostatic member 400 is disposed on the adjustment assembly 300 and is used to compress the wound of the patient to stop bleeding; the adjustment assembly 300 is used to alter the position of the hemostatic member 400 to adjust the amount of pressure applied by the hemostatic member 400 against the wound of the patient.

Wherein, the whole body of the shell 100 can be plate-shaped, disc-shaped, etc., and the contact place of the binding part of the shell and the human body can be designed in a copying way so as to enhance the binding stability of the hemostat and the comfort level of the patient. In this embodiment, the casing 100 may include one or more components, and the material of the casing 100 is preferably a transparent material, particularly, a PC, but not limited thereto. It can be understood that the present invention can facilitate the doctor to observe the wound of the patient by using the transparent casing 100.

In this embodiment, the binding band 200 may be made of plastic, cotton, or other materials, especially flexible materials, but not limited thereto. It should be noted that the strap 200 and the housing 100 may be connected by a snap, an adhesive, a thread, or a suture, and the like, and is not limited herein.

In this technical scheme, hemostatic piece 400 can be made by flexible material, and preferably silica gel material can minimize and cause the stimulation to patient's wound mouth, when satisfying certain hemostatic effect, also can greatly promote the comfort level that the patient used the haemostat.

It should be noted that the adjustment assembly 300 in this embodiment may include a lifting mechanism, a translation mechanism, etc. to adjust the position of the hemostatic member 400 via the lifting mechanism and/or the translation mechanism, etc. to adjust the amount of pressure applied by the hemostatic member 400 to the wound of the patient.

According to the hemostatic device, the bandage 200 is connected with the shell 100, the bandage 200 and the shell 100 are surrounded to form a binding space for binding the wound position of the patient, the adjusting component 300 is mounted on the shell 100, the hemostatic piece 400 is arranged on the adjusting component 300 and used for compressing the wound of the patient to stop bleeding, the adjusting component 300 is used for changing the position of the hemostatic piece 400 so as to adjust the pressure applied by the hemostatic piece 400 to the wound of the patient, the function of adjusting the pressure applied by the hemostatic piece 400 to the wound of the patient is realized, and the comfort level of the patient when the hemostatic device is used is improved while the hemostatic effect is achieved.

Referring to fig. 2 and fig. 3, in an embodiment, the adjusting assembly 300 may include a screw 310, a threaded sleeve 320, and a knob 330, the housing 100 is provided with a mounting hole 100a for mounting the screw 310, the screw 310 is movably inserted into the mounting hole 100a, and the hemostatic member 400 is disposed at an insertion end of the screw 310; the threaded sleeve 320 is sleeved on the screw rod 310 and is in threaded fit with the screw rod 310; the knob 330 is disposed around the screw 310 and abuts against the threaded sleeve 320 via an elastic member 340.

In this embodiment, the elastic member 340 may be a spring, an elastic plastic body, etc., but not limited thereto. One end of the elastic member 340 may abut against a top wall of the knob 330, and the other end of the elastic member 340 may abut against a top wall of the threaded sleeve 320.

It should be noted that, in order to make the wound of the patient observed clearly, the screw 310, the threaded sleeve 320 and the knob 330 in this embodiment may be made of transparent materials, particularly, PC, but not limited thereto. Of course, in some other embodiments, in consideration of the manufacturing cost, the requirement of the connection strength between the components, etc., the screw 310, the threaded sleeve 320 and the knob 330 may be made of other materials, which may be the same or different, and are not limited specifically herein.

In use, the band 200 can be firstly bound to the wound site of the patient, such as the radial artery, and then the height position of the hemostatic member 400 can be adjusted by rotating the knob 330 in the counterclockwise direction or the clockwise direction, so as to adjust the pressure applied by the hemostatic member 400 to the wound site of the patient until the proper position is reached.

As shown in fig. 2 and fig. 3, in an embodiment, a compression head 311 is disposed at the insertion end of the screw 310, and the hemostatic member 400 is covered on the compression head 311. So, can increase the cladding area of hemostatic piece 400 and screw rod 310, promote joint strength between them, still can increase the area of oppression, increase hemostatic piece 400 and the area of contact of patient's wound mouth, promote hemostatic effect and the use comfort level of haemostat.

The pressing head 311 and the body of the screw 310 may be integrally formed by injection molding, or may be a separate assembly structure, which is not limited herein.

Referring to fig. 4 and 5, in some embodiments, the hemostatic member 400 may be made of a transparent material such as silica gel, especially a liquid transparent silica gel, and the hemostatic member 400 may be disposed in a concave shape to improve the wrapping strength and the installation stability of the hemostatic member 400.

The present invention primarily contemplates two hemostatic members 400 for different usage scenarios. As shown in fig. 5, a protruding part 401 is provided on one side of the hemostatic member 400 opposite to the screw 310 for enlarging and observing the wound of the patient; as shown in fig. 4, the abutting surface of the other hemostatic member 400 and the screw 310 is a plane for 1:1 observation of the wound site.

In this embodiment, the protruding portion 401 may have a hemispherical structure, an arc-shaped protruding structure, and the like, which is not limited herein. Of course, in some other application scenarios, the hemostatic member 400 may have other shapes, and the specific shape is not limited herein.

To facilitate viewing of the wound of the patient by the surgeon, in some embodiments, referring to fig. 2 and 3, the threaded rod 310 may be provided with a viewing aperture 310a extending from the top to the bottom thereof. When the hemostatic member 400 having the above-described protruded part 401 is used, the observation hole 310a may be disposed to face the protruded part 401 so that the doctor can observe the wound of the patient in an enlarged manner.

In this embodiment, the diameter of the observation hole 310a may be set to 8.00mm to 15.00 mm. Therefore, the strength of the screw rod 310 can be not influenced when a doctor can observe a wound conveniently, materials can be reduced, cost is saved, and the whole weight of the hemostat can be reduced.

Referring mainly to fig. 3, in some embodiments, the hemostat may further include a marker 500, the marker 500 being provided on an inner wall of the knob 330; the knob 330 is provided with graduation marks for reading the pressure value applied by the hemostatic member 400 to the wound of the patient by the degree of compression of the elastic member 340.

In this embodiment, the indicator 500 may be disposed in a sheet shape, and may be made of red PP material for easy observation, which is not limited herein.

In some embodiments, as shown in fig. 2 and 3, the casing 100 may include a supporting plate 110, the supporting plate 110 is provided with a fixing arm 111 and a first connecting arm 112 and a second connecting arm 113 respectively disposed at two ends of the fixing arm 111, the first connecting arm 112 and the fixing arm 111 form an arc transition, the first connecting arm 112 is connected to one end of the strap 200, the second connecting arm 113 is connected to the other end of the strap 200, and the second connecting arm 113 is connected to the fixing arm 111 and forms an included angle with an opening facing the binding space.

In this embodiment, when the hemostat is a radial artery compression hemostat for percutaneous coronary artery intervention operation, the size of the included angle formed by the connection of the second connecting arm 113 and the fixing arm 111 and the opening of which faces the binding space can be set to 120-150 degrees, so that the overall shape of the supporting plate 110 is in profile-fitting fit with the local part of the wrist of a human body, and the comfort of binding the hemostat by a patient can be improved. Wherein, need to explain, when this contained angle size is 135, it is better for the adaptation with human wrist structure, and patient wears the comfort level better. Of course, in some other embodiments, other shapes of the supporting plate 110 may be used, and are not limited herein.

In order to facilitate the doctor to check the wound of the patient, the supporting plate 110 may also be made of a transparent material, preferably a transparent PC material, but not limited thereto.

It should be noted that, in this embodiment, the thickness of the supporting plate 110 may be set to 1.00mm to 3.00mm, which can satisfy a certain strength, save materials, and reduce cost. In addition, too thick a support plate 110 may interfere with the surgeon's view of the patient's wound.

Further, in an embodiment, referring mainly to fig. 2, the first connecting arm 112 and the second connecting arm 113 may each have a slot 101, and the position of the strap 200 corresponding to the slot 101 may have a hook 201, and the hook 201 is buckled into the slot 101. So set up, the length and the elasticity that bandage 200 was bound are adjusted to accessible thread gluing 201, conveniently bind.

In order to facilitate the installation of the fixing screw 310, in some embodiments, please refer to fig. 3 mainly, the housing 100 may further include a fixing member 120, the fixing member 120 is disposed in the installation hole 100a, and the fixing member 120 is provided with a through hole for the screw 310 to pass through. The size and shape of the through hole can be designed to be suitable for the screw 310, and is not limited herein.

In this embodiment, the fixing member 120 may be a plate-shaped structure, and the material thereof may be transparent material such as PC, so as to further improve the clarity of the doctor observing the wound.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A hemostat, the hemostat comprising:

a housing;

an adjustment assembly mounted to the housing; and

2. The hemostat of claim 1, wherein the adjustment assembly comprises:

3. The hemostat of claim 2, wherein the insertion end of the screw is provided with a compression head, and the hemostatic member is covered on the compression head.

4. The hemostat of claim 2, wherein the hemostatic member is a transparent material; the screw is made of transparent materials; the thread sleeve is made of transparent materials; the knob is made of transparent materials; the shell is made of transparent materials.

5. The hemostat of claim 4, wherein the hemostatic member is made of silicone and is disposed in a concave shape.

6. The hemostat of claim 5, wherein the hemostatic member has a convex portion on a side thereof opposite to the screw for magnifying and observing a wound of a patient; or

The binding surface of the hemostatic piece and the screw rod is a plane.

7. The hemostat of claim 4, wherein the hemostat further comprises an indicator disposed on an inner wall of the knob; the knob is provided with scale marks for reading the pressure value applied by the hemostatic piece to the wound of the patient through the compression degree of the elastic piece.

8. The hemostat of claim 2, wherein the screw is provided with a viewing port extending from the top to the bottom thereof.

9. The hemostat of claim 8, wherein the viewing port has a diameter of 8.00mm to 15.00 mm.

10. The hemostat according to any one of claims 1-9, wherein the housing comprises a support plate, the support plate is provided with a fixing arm and a first connecting arm and a second connecting arm respectively disposed at two ends of the fixing arm, the first connecting arm is in arc transition with the fixing arm, the first connecting arm is connected with one end of the binding band, the second connecting arm is connected with the other end of the binding band, and the second connecting arm is connected with the fixing arm and forms an included angle with an opening facing the binding space.

11. The hemostat of claim 10, wherein the included angle is in the range of 120 ° to 150 °.

12. The hemostat of claim 10, wherein the first connecting arm and the second connecting arm are provided with a slot, and the binding band is provided with a fastening buckle corresponding to the slot, and the fastening buckle is fastened into the slot.

13. The hemostat of claim 10, wherein the support plate has a thickness of 1.00mm to 3.00 mm.

14. The hemostat of claim 10, wherein the housing further comprises a fixing member disposed in the mounting hole, the fixing member having a through hole for the screw to pass through.

15. The hemostat of claim 1, wherein the hemostat is a radial artery compression hemostat.