CN215079196U

CN215079196U - Point pressing type hemostasis device for internal arteriovenous fistula

Info

Publication number: CN215079196U
Application number: CN202120942082.7U
Authority: CN
Inventors: 钱庆龙; 钟宇; 杜丽媛; 刘姗; 刘勇
Original assignee: FIRST AFFILIATED HOSPITAL OF TIANJIN UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
Current assignee: FIRST AFFILIATED HOSPITAL OF TIANJIN UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-12-10
Anticipated expiration: 2031-05-06

Abstract

The utility model relates to a point-pressing type hemostasis device for internal arteriovenous fistula, which comprises a fixing device, an adjusting device and a hemostasis device, wherein the fixing device comprises a bent or bended connecting rod and an abutting part arranged at one end of the connecting rod; the utility model has the advantages that: point type compression hemostasis is carried out, blood flow at other parts is not blocked, the hemostasis point is accurately fixed and does not deviate, and a good hemostasis effect can be achieved with the minimum force; in addition, the hemostasis point pressing can be fixed, the blood flow of other parts is prevented from being blocked, and the venous hypertension is reduced to form aneurysm; effectively reduce the power loss of the arteriovenous internal fistula and protect the arteriovenous internal fistula.

Description

Point pressing type hemostasis device for internal arteriovenous fistula

Technical Field

The utility model belongs to the field of medical equipment, especially, relate to a arteriovenous internal fistula point-pressing formula hemostasis device.

Background

By 2016, CNRDS statistics shows that the number of patients with maintenance hemodialysis reaches 447435 ten thousands, wherein arteriovenous internal fistulae (including autologous arteriovenous internal fistulae and transplantation artificial internal fistulae) account for more than 80% of patients using the vascular access, the vascular access is always the life line of a dialysis patient, and no matter whether the patients or medical staff make efforts on maintenance of the arteriovenous internal fistulae, however, complications cannot be avoided. Particularly, medical resources in China are relatively tense, one hemodialysis nurse is responsible for the operation of more than 5 patients on average, and the careful work of all patients cannot be considered, particularly, patients with insufficient experience or internal fistula hemostasis abnormality have misoperation or improper pressing force degree, so that bleeding or blood coagulation is caused. At present, 2 tourniquets with annular tourniquets are generally adopted for internal arteriovenous fistula hemostasis in China, one artery and one vein are respectively adopted in the conventional arteriovenous hemostasis method, the hemostasis method is simple, and the hemostasis principle is the same as that of tourniquet binding hemostasis. The biggest defect of the hemostasis method is that an annular full-blocking method is carried out on venous blood flow of one limb, the hemostasis method is not beneficial to maintenance of arteriovenous internal fistula, upper limb venous backflow is blocked, aneurysm is easily formed under high venous pressure, and blockage and failure of the arteriovenous internal fistula are easily caused. Meanwhile, aiming at some special vascular passages such as artificial intravascular fistula which have extremely high blood flow pressure, are easy to seep blood, are difficult to stop bleeding and have volatile work, experts recommend artificial pressing for the blood vessels, and do not recommend a conventional hemostasis method by using a tourniquet.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a point-pressing type hemostasis device for internal arteriovenous fistula.

The utility model adopts the technical proposal that: a point-pressing type hemostasis device for arteriovenous internal fistula comprises a fixing device and a fixing device, wherein the fixing device comprises a bent or bent connecting rod and a butting part arranged at one end of the connecting rod;

the adjusting device is arranged at the other end of the connecting rod and is arranged opposite to the abutting part, and the distance from the tail end of the adjusting device to the abutting part is adjustable;

and the hemostatic device is arranged at the tail end of the adjusting device.

Preferably, the adjusting device comprises an adjusting ring and an adjusting screw rod which are in threaded connection, the adjusting ring is fixedly connected to one end of the connecting rod, and a hemostatic device is arranged at the lower end of the adjusting screw rod.

Preferably, the hemostatic device includes a grip and a constriction, the constriction capable of being trapped under the grip in use.

Preferably, the handle is a rod-shaped structure with two ends bent or bent downwards, or a groove-shaped structure with the bottom surface recessed inwards.

Preferably, the hand grip is connected to the end of the adjustment device by a spring.

Preferably, the connecting rod comprises different models of different lengths; or, the connecting rod is provided with a length adjusting structure.

Preferably, the length adjustment structure is the screwed pipe, and the screwed pipe both ends are equipped with the internal thread, and the connecting rod includes two connector poles, and two connector poles are equipped with the external screw thread that matches with screwed pipe junction.

Preferably, the abutment portion is in the form of a flat plate, and the abutment portion is provided with a flexible pad on the side opposite to the hemostatic device.

Preferably, the upper end of the adjusting screw rod is provided with a knob.

Preferably, the adjusting screw is provided with a scale.

Preferably, the constriction is a hemostatic cell or hemostatic gauze.

The utility model has the advantages and positive effects that: point type compression hemostasis is carried out, blood flow at other parts is not blocked, the hemostasis point is accurately fixed and does not deviate, and a good hemostasis effect can be achieved with the minimum force; in addition, the hemostasis point pressing can be fixed, the blood flow of other parts is prevented from being blocked, and the venous hypertension is reduced to form aneurysm; the power loss of the arteriovenous internal fistula is effectively reduced, and the arteriovenous internal fistula is protected; manual pressing is replaced by the hemostatic device, so that labor is saved, the pressing strength can be fixed according to the condition of each person, the memory is realized through the screw mark, the pressing strength is not changed due to different operation methods of each person, the operation is simple and convenient, and the patient or family members can be guided to perform cooperative operation conveniently; can be used for hemostasis after dialysis patient internal fistula is taken off the machine, can also be used for pressing after artery blood gas is got to patient's lower limbs, can liberate nurse's long-time pressing operation.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

fig. 3 is a schematic view of a usage status of an embodiment of the present invention.

In the figure:

11. adjusting screw 12, adjusting ring 13 and knob

21. Hand grip 22, spring 23, pressing object

31. Connecting rod 32, abutting part 4 and limb

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in figure 1 and figure 2, the utility model relates to a point-pressing type hemostasis device for internal arteriovenous fistula, which replaces a traditional tourniquet, simulates manual point-pressing type hemostasis by a human, and comprises a fixing device, an adjusting device and a hemostasis device,

the fixing device comprises a bent or bended connecting rod 31 and an abutting part 32 arranged at one end of the connecting rod 31, wherein the abutting part 32 abuts against the other side of the position of the arm to be stopped bleeding and provides a compression supporting force; the adjusting device is arranged at the other end of the connecting rod 31 and is arranged opposite to the abutting part 32, the hemostatic device is arranged at the tail end of the adjusting device, the distance from the hemostatic device at the tail end of the adjusting device to the abutting part 32 is adjustable, and the compression position and the compression force are adjusted according to the thickness difference of the limbs 4 of a user.

The adjusting device comprises an adjusting ring 12 and an adjusting screw rod 11 which are in threaded connection, the adjusting ring 12 is fixedly connected to one end of the connecting rod 31, the adjusting screw rod 11 can move up and down in the adjusting ring 12, and the lower end of the adjusting screw rod 11 is provided with a hemostasis device; in order to move the adjusting screw rod 11 conveniently, a knob 13 is arranged at the upper end of the adjusting screw rod 11, and the position of the hemostatic device is adjusted through the rotation of an operator; the utility model discloses some embodiments, for convenient suitable oppression dynamics of keeping in mind, be equipped with the scale on the adjusting screw 11, the user accessible duplicates the same oppression dynamics to discerning of scale, the suitable dynamics of person's of facilitating the use quick adjustment.

The hemostatic device comprises a grip 21 and a compression object 23, and the compression object 23 can be limited below the grip 21 to compress a bleeding point under the action of the grip 21 during use. The hand grip 21 is a rod-shaped structure with two ends bent or bent downwards, such as a splayed shape, or a groove-shaped structure with a bottom surface recessed inwards, such as a spherical groove or a cambered groove; the pressing object 23 is a hemostatic cell or hemostatic gauze, and directly contacts the bleeding point. In some embodiments of the present invention, the hand 21 may be connected to the end of the adjusting screw 11 through a spring 22 to further provide a buffer function to avoid excessive pressing in order to be more hand-like.

The tie bar 31 may be curved in an arc, such as a C-shaped tie bar 31, or a bent bar, such as a V-shaped bar or Contraband-shaped bar. Different users are because limbs fat thin difference, and the required distance of tongs 21 to butt portion 32 is also different, can make the model of different length or different radians with connecting rod 31, selects different models according to different users the utility model discloses in some embodiments, still can set up length adjustment structure in the middle part of connecting rod 31, adjust connecting rod 31 both ends distance to make it be applicable to different users.

Since the abutting portion 32 contacts the user's limb 4, the grounding portion may be disposed in a flat plate shape for improving the comfort of use, and a flexible pad, such as a silicone pad or a cotton pad, may be disposed on the abutting portion 32 on the side opposite to the hemostatic device, or a disposable gauze may be disposed on the pad before each use.

When the device is used, as shown in fig. 3, the position of the adjusting screw rod 11 is adjusted, the connecting rod 31 is placed on the side surface of a bleeding point, the abutting part 32 is attached to the back surface of the bleeding point of the limb 4, the pressing object 23 is placed at the bleeding point, the pressing object 23 is fixed at the bleeding point through the aid of the hand grip 21, the adjusting screw rod 11 is rotated, the hand grip 21 is moved downwards, the pressing effect with proper force is achieved, and in order to better achieve force copying, the scale value on the adjusting screw rod 11 can be read and recorded; calculating the time length, after blood coagulation is estimated, reversely rotating the adjusting screw rod 11, loosening the hand grip 21, removing the oppression object 23, and detaching the arteriovenous internal fistula point-pressing type hemostasis device. The user adjusts the elasticity of pressing through rotatory adjusting screw 11, and the hemostasis method is the method of simulating artifical pressing, does not influence other positions blood supply, and hemostatic effect mainly is relevant with the screw number of turns of regulation, and following two aspects can be referred to its elasticity, and first conventional experience and user's self-perception are standard for not having the hemorrhage and not influencing blood stream tremble, and another kind is the mark that the patient can use the screw rod, and rotatory number of turns mark is as the foundation of adjusting the elasticity.

The utility model discloses but hemostasis device wide application is in all kinds of bleeding point hemostasis, except the hemostasis to hemodialysis patient sound arteries and veins internal fistula, still can be used for the patient to go up the lower limbs and get pressing down after arterial blood gas, not only can realize better hemostatic effect, avoids the appearance of complication, can also liberate nurse's long-time press down the operation, improves work efficiency.

Example 1:

an arteriovenous internal fistula point-pressing type hemostasis device is shown in figure 1 and comprises a fixing device, an adjusting device and a hemostasis device, wherein the fixing device comprises a bent connecting rod 31 and an abutting part 32 arranged at one end of the connecting rod 31; the adjusting device is arranged at the other end of the connecting rod 31 and is opposite to the abutting part 32, the hemostatic device is arranged at the tail end of the adjusting device, and the distance from the tail end of the adjusting device to the abutting part 32 is adjustable.

The adjusting device comprises an adjusting ring 12 and an adjusting screw rod 11 which are connected in a threaded manner, the adjusting ring 12 is fixedly connected to one end of the connecting rod 31, the lower end of the adjusting screw rod 11 is provided with a hemostatic device, the upper end of the adjusting screw rod 11 is provided with a knob 13, and the adjusting screw rod 11 is provided with scales.

The hemostasis device comprises a hand grip 21 and a pressing object 23, the hand grip 21 is of a rod-shaped structure with two ends bent downwards, the shape is splayed, the hand grip 21 is connected to the tail end of the adjusting device through a spring 22, the pressing object 23 is a blood cell, and when the hemostasis device is used, the pressing object 23 can be limited below the hand grip 21 and pressed to a bleeding point by the force of the hand grip 21.

The connecting rod 31 comprises three types with three lengths, and is suitable for users of different ages or different fatalities; the abutting portion 32 is in a flat plate shape, and a silica gel flexible pad is arranged on one side of the abutting portion 32 relative to the hemostatic device.

Example 2:

an arteriovenous internal fistula point-pressing type hemostasis device is shown in figure 2 and comprises a fixing device, an adjusting device and a hemostasis device, wherein the fixing device comprises an Contraband-shaped connecting rod 31 and an abutting part 32 arranged at one end of the connecting rod 31; the adjusting device is arranged at the other end of the connecting rod 31 and is opposite to the abutting part 32, the hemostatic device is arranged at the tail end of the adjusting device, and the distance from the tail end of the adjusting device to the abutting part 32 is adjustable.

The hemostatic device comprises a hand grip 21 and a pressing object 23, the hand grip 21 is of a groove-shaped structure with an inwards concave bottom surface, specifically a spherical groove, the hand grip 21 is connected to the tail end of the adjusting device through a spring 22, the pressing object 23 is a hemostatic gauze, and the pressing object 23 can be limited below the hand grip 21 in use.

The connecting rod 31 is provided with a length adjusting structure, specifically a bidirectional threaded pipe, reverse threads are arranged on the inner walls of two ends of the bidirectional threaded pipe, the connecting rod 31 comprises two connecting sub-rods, the connecting position is matched with the external threads of the bidirectional threaded pipe, the bidirectional threaded rod connects the two connecting sub-rods through the reverse threads, and when the bidirectional threaded rod is used, if the distance between the two connecting sub-rods needs to be adjusted, the effect can be achieved by rotating the bidirectional threaded rod; the abutting portion 32 is in the form of a flat plate, and a flexible cotton pad is provided on the abutting portion 32 on the side opposite to the hemostatic device.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides an internal arteriovenous fistula point pressure formula hemostasis device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the fixing device comprises a bent or bent connecting rod and a butting part arranged at one end of the connecting rod;

and the hemostatic device is arranged at the tail end of the adjusting device.

2. The arteriovenous internal fistula site-pressing type hemostatic device according to claim 1, which is characterized in that: the adjusting device comprises an adjusting ring and an adjusting screw rod which are connected in a threaded manner, the adjusting ring is fixedly connected to one end of the connecting rod, and the lower end of the adjusting screw rod is provided with the hemostasis device.

3. The arteriovenous internal fistula site-pressure hemostasis device of claim 1 or 2, characterized in that: the hemostatic device includes a handle and a constriction, the constriction capable of being trapped under the handle in use.

4. The arteriovenous internal fistula site-pressing hemostasis device of claim 3, characterized in that: the gripper is a rod-shaped structure with two ends bent or bent downwards or a groove-shaped structure with the bottom surface sunken inwards.

5. The arteriovenous internal fistula site-pressing hemostasis device of claim 3, characterized in that: the hand grip is connected to the end of the adjusting device through a spring.

6. The arteriovenous internal fistula site-pressure hemostasis device of any one of claims 1, 2, 4 and 5, wherein: the connecting rod comprises different models with different lengths; or, a length adjusting structure is arranged on the connecting rod.

7. The arteriovenous internal fistula site-pressing hemostasis device of claim 6, which is characterized in that: the length adjustment structure is the screwed pipe, the screwed pipe both ends are equipped with the internal thread, the connecting rod includes two connector poles, two the connector pole with screwed pipe junction is equipped with the external screw thread that matches.

8. The arteriovenous internal fistula site-pressing type hemostatic device according to claim 1, which is characterized in that: the abutting part is in a flat plate shape, and a flexible pad is arranged on one side, opposite to the hemostasis device, of the abutting part.

9. The arteriovenous internal fistula site-pressing type hemostatic device according to claim 2, characterized in that: the upper end of the adjusting screw rod is provided with a knob, and the adjusting screw rod is provided with scales.

10. The arteriovenous internal fistula site-pressing hemostasis device of claim 3, characterized in that: the compression object is blood cell or hemostatic gauze.