CN213129719U - Tourniquet - Google Patents

Abstract

The utility model provides a tourniquet belongs to the medical supplies field. The tourniquet comprises: the tourniquet comprises a tourniquet body, a vernier and a buckle; the tourniquet body is of a strip-shaped structure, one end of the tourniquet body is a head end, and the other end of the tourniquet body is a tail end; the buckle is fixedly connected to the head end of the tourniquet body, the tail end of the tourniquet body can penetrate through the buckle, and the buckle can be clamped on the tourniquet body; the vernier is sleeved on the tourniquet body and can move on the tourniquet body in a reciprocating mode. The utility model discloses can help the user to control tourniquet pressure more accurately, the patient of being convenient for oneself or numerous nursing staff use, can satisfy comfortable, convenient and according to the requirement of fixed accurate pressure ligature tourniquet simultaneously.

Description

Tourniquet

Technical Field

The utility model belongs to the field of medical supplies, concretely relates to tourniquet.

Background

Venipuncture requires good filling degree of superficial veins, and the filling degree of veins at the far end of limbs can reach the best state only by ensuring good arterial pressure at the far end of upper limbs and completely blocking backflow of superficial veins. The existing research shows that when the pressure of the tourniquet is 10.7-16.0 kPa (80-120 mmHg), the venous filling degree of the far end of the limb can reach the optimal state.

At present, the rubber tube tourniquet, the wide flat tourniquet and the buckle type tourniquet are widely used clinically, wherein the rubber tube tourniquet is not suitable for being tightened, skin is easy to twist when knotting is carried out, a patient feels uncomfortable, and the tying force is not easy to master; the wide and flat tourniquet is convenient to tie, is not easy to slip, and is not easy to distort the skin when being tied; when the buckle type tourniquet is used, only one end is needed to be fixed, the other end is tensioned to a proper position, after the puncture is successful, the buckle type device is opened, the tourniquet can be automatically loosened, and the needle head is not suitable to slide after the tourniquet is loosened.

However, none of these tourniquets simultaneously satisfies the requirements of comfortable, convenient and accurate pressure-fixing ligation of the tourniquet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the difficult problem that exists among the above-mentioned prior art, provide a tourniquet, can help the user to control tourniquet pressure more accurately, the patient of being convenient for oneself or numerous nursing staff use, can satisfy comfortable, convenient and according to the requirement of fixed accurate pressure ligature tourniquet simultaneously.

The utility model discloses a realize through following technical scheme:

a tourniquet, comprising: the tourniquet comprises a tourniquet body, a vernier and a buckle;

the tourniquet body is of a strip-shaped structure, one end of the tourniquet body is a head end, and the other end of the tourniquet body is a tail end;

the buckle is fixedly connected to the head end of the tourniquet body, the tail end of the tourniquet body can penetrate through the buckle, and the buckle can be clamped on the tourniquet body;

the vernier is sleeved on the tourniquet body and can move on the tourniquet body in a reciprocating mode.

Preferably, a plurality of parallel clamping grooves are formed in the back surface of the tourniquet body;

the clamping grooves are sequentially arranged along the length direction of the tourniquet body;

the length direction of each clamping groove is vertical to the length direction of the tourniquet body;

each clamping groove is composed of an inclined surface and a straight surface.

A penetrating groove is formed in the buckle;

the penetrating direction of the penetrating groove is vertical to the plane of the tourniquet body;

the tail end of the tourniquet body can penetrate through the penetrating groove.

Furthermore, a clamping tongue is arranged in the penetrating groove;

the upper end of the clamping tongue is fixedly connected with the inner wall of one side of the penetrating groove;

the lower end of the clamping tongue is suspended in the air and is a free end;

the lower end of the clamping tongue is provided with a bulge, an inclined plane is arranged on the bulge, and the inclined plane is matched with the inclined planes on the clamping grooves on the tourniquet body, so that the clamping grooves can be clamped.

Furthermore, in order to enable the clamping tongue to be separated from the clamping groove, an withdrawing device is also arranged on the clamping buckle;

the withdrawing device comprises: a pull rod and a handle;

one end of the pull rod is connected with the lower end of the clamping tongue, and the other end of the pull rod penetrates through the wall of the buckle and then is connected with a handle positioned outside the buckle;

the pull rod is perpendicular to the side wall of the buckle;

the bulge and the connecting rod are respectively positioned at two sides of the lower end of the clamping tongue.

Preferably, all the clamping grooves on the tourniquet body are arranged in the middle of the tourniquet body;

the upper surface of each clamping groove and the back surface of the tourniquet body are located in the same plane.

Preferably, the back of the buckle and the back of the tourniquet body are located in the same plane.

In order to further increase the elasticity of the clamping tongue, a spring is arranged between the clamping tongue and the inner wall of the buckle;

the spring is sleeved on the pull rod.

Another tourniquet includes: the method comprises the following steps: the tourniquet comprises a buckle, a tenon, a seal, a tourniquet body and a vernier;

the tenon is fixedly connected with the head end of the tourniquet body;

the seal is fixedly connected with the tail end of the tourniquet body;

the buckle is sleeved on the tourniquet body and can move on the tourniquet body;

the buckle is provided with a button, the tenon head can be inserted into the buckle to be fixed, and the tenon head is separated from the buckle when the button is pressed;

the vernier is sleeved on the tourniquet body and can move on the tourniquet body in a reciprocating mode.

Preferably, at least two kinds of scale marks are arranged on the front surface of the tourniquet body, one kind of scale mark is an arm circumference scale mark, and the other kind of scale mark is a pressure corresponding scale mark;

the number marked on each scale mark is increased from the head end to the tail end of the tourniquet body in sequence;

each numerical value set on the arm circumference scale mark corresponds to the size of the arm circumference;

each numerical value arranged on each pressure intensity corresponding scale mark also corresponds to the size of the arm circumference, but the position of the same numerical value on the arm circumference scale mark is different from the position of the same numerical value on the pressure intensity corresponding scale mark, and the larger the pressure intensity is, the closer the same numerical value is to the head end of the tourniquet body; when the buckle is located at the numerical value, the tourniquet generates corresponding pressure on the arm corresponding to the size of the arm circumference, and the number marked on each scale mark is sequentially increased from the head end to the tail end of the tourniquet body.

The vernier is of a rectangular annular structure and is sleeved on the tourniquet body;

or the vernier is in a clip-shaped structure; the clip-like structure comprises two clamping pieces; the two clamping pieces are hinged together through a torsion spring and a rotating shaft, one of the two clamping pieces is in contact with the back surface of the tourniquet body, and the other clamping piece is in contact with the front surface of the tourniquet body; anti-skid teeth are respectively arranged on the opposite surfaces of the two clamping pieces.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can help the user to control tourniquet pressure more accurately, the patient of being convenient for oneself or numerous nursing staff use, can satisfy comfortable, convenient and according to the requirement of fixed accurate pressure ligature tourniquet simultaneously.

Drawings

Fig. 1 is a schematic front view of the tourniquet of the present invention;

fig. 2 is a schematic view of the back structure of the tourniquet of the present invention;

fig. 3 is a schematic view of the section structure of the tourniquet of the present invention;

fig. 4 is a schematic view of the graduation marks on the tourniquet body of the tourniquet of the present invention;

fig. 5 is a schematic structural view of a vernier in the tourniquet of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

the embodiment of the utility model is as follows:

the first embodiment is as follows:

as shown in fig. 1 to 4, the tourniquet of the present embodiment includes a tourniquet body 5, a cursor 6 and a buckle 1; tourniquet body 5 is the band structure, and its one end is the head end, and the other end is the tail end, 1 fixed connection of buckle is in tourniquet body 5's head end, fixed connection's mode can adopt current multiple mode, for example make up or bond etc. or with tourniquet body 5 design structure as an organic whole. The tail end of the tourniquet body 5 can pass through the buckle 1, and the buckle 1 can be clamped on the tourniquet body 5. The vernier 6 is sleeved on the tourniquet body 5 and can move on the tourniquet body 5 in a reciprocating mode.

Example two:

on the basis of the first embodiment, the tourniquet body 5 can be made of nylon or other materials. A plurality of parallel fastening grooves 4 are formed on the back (i.e., the inner surface) of the tourniquet body 5, and as shown in fig. 1, the fastening grooves 4 are sequentially arranged along the length direction of the tourniquet body 5. The length direction of each clamping groove 4 is perpendicular to the length direction of the tourniquet body 5, namely, parallel to the width direction of the tourniquet body 5, each clamping groove 4 is composed of an inclined surface and a straight surface, as shown in fig. 3 (fig. 3 is an enlarged view, the protrusions on the clamping groove and the clamping tongue on the actual product are not so large, and in addition, a vernier is not drawn in fig. 3), the inclined surface forms an acute angle with the plane where the back surface of the tourniquet body 5 is located, the straight surface is perpendicular to the plane where the back surface of the tourniquet body 5 is located, and the inclined surface and the straight surface intersect to form an acute angle.

The buckle 1 is provided with a through penetrating groove 2, and the through direction of the penetrating groove 2 is perpendicular to the plane of the tourniquet body 5. The tail end of the tourniquet body 5 can penetrate through the penetrating groove 2, and after the tail end penetrates through the whole tourniquet body 5, an annular structure is formed.

The penetrating groove 2 is internally provided with a clamping tongue 3, and the clamping tongue 3 can clamp each clamping groove 4 on the tourniquet body. Specifically, the upper end of the clamping tongue 3 is fixedly connected with the inner wall of one side of the penetrating groove 2, the lower end of the clamping tongue 3 is suspended and is a free end, a protrusion is arranged at the lower end of the clamping tongue 3, an inclined plane is arranged on the protrusion, and the inclined plane is matched with the inclined plane on each clamping groove 4 on the tourniquet body, so that the clamping grooves 4 can be clamped.

Further, in order to make the latch 2 disengage from the slot, an exit device is further disposed on the buckle, and the exit device includes: the buckle comprises a pull rod 7 and a handle 8, one end of the pull rod 7 is connected with the lower end of the clamping tongue 3, the other end of the pull rod passes through the wall of the buckle 1 and then is connected with the handle 8 located outside the buckle 1, and the pull rod 7 is perpendicular to the side wall of the buckle 1. The bulge and the pull rod 7 are respectively positioned at two sides of the lower end of the clamping tongue 3.

Preferably, all the clamping grooves 4 on the tourniquet body 5 are arranged in the middle of the tourniquet body 5, so that the upper surface of each clamping groove 4 and the back surface of the tourniquet body 5 are located on the same plane, and the depth of each clamping groove 4 is not very deep as long as the clamping grooves can be clamped by the clamping tongues 3, so that the skin of a patient does not feel uncomfortable.

During the use, will the tail end of tourniquet body 5 passes behind the wearing groove 2, the tail end of pulling tourniquet body, the internal diameter of the loop configuration that the tourniquet body formed diminishes, moreover because the inclined plane on the block tongue 3 and the inclined plane phase-match in the draw-in groove 4 on the tourniquet body, the tail end of tourniquet body can only move towards one direction, and the inclined plane homoenergetic of every draw-in groove can be blocked by the inclined plane on the block tongue, has realized promptly that it is tight more to pull.

If need be with the internal diameter grow of the loop configuration of tourniquet body formation, then through handle pulling pull rod, because pull rod 7 is connected with the lower extreme of block tongue 3, when outwards pulling pull rod 7, pull rod 7 drives the inclined plane separation on the inclined plane of block tongue lower extreme and the tourniquet body, the inclined plane of block tongue 3 lower extreme deviates from draw-in groove 4 promptly, no longer block tourniquet body 5, the tail end of tourniquet body 5 can be retreated like this, loop configuration's internal diameter has become promptly, can finally deviate from in penetrating groove 2 with the tail end.

Preferably, the back of the buckle 1 and the back of the tourniquet body 5 are located in the same plane, so that the tourniquet body is encircled into a ring shape, and a patient does not feel uncomfortable.

Example three:

on the basis of the second embodiment, in order to further increase the elasticity of the latch, a spring 10 is arranged between the latch and the inner wall of the buckle, the spring 10 is sleeved on the pull rod, one end of the spring abuts against the latch 3, and the other end of the spring abuts against the inner wall of the buckle 1. When the pull rod 7 is pulled outwards through the handle 8, the spring 10 is compressed, the handle is released, and the spring 10 resets to drive the clamping tongue 3 to reset.

Example four:

this embodiment is reformed transform and is formed on current buckle formula tourniquet, and current buckle formula tourniquet includes: buckle, falcon head, seal and tourniquet body, falcon head fixed connection at the head end of tourniquet body, seal the tail end of fixed connection at the tourniquet body, the buckle cover is on the tourniquet body to can remove on the tourniquet body, be provided with the button on the buckle, the falcon head can be fixed in inserting the buckle, presses the button, falcon head and buckle separation. In this embodiment, the scale marks are arranged on the outer surface of the tourniquet body of the existing buckle type tourniquet, and the vernier is arranged on the tourniquet body and can move back and forth on the tourniquet body.

Example five:

in the above embodiments, at least two scale marks 9 are provided on the front surface (i.e., the outer surface) of the tourniquet body, one scale mark is an arm circumference scale mark, and the other scale mark is a pressure corresponding scale mark, for example, the pressure corresponding scale mark may be 80mmHg, 90mmHg, or more pressure corresponding scale marks may be provided as needed to correspond to different pressures.

The 0 scale of each scale mark 9 is positioned at the joint of the buckle and the tourniquet body, and the marked numbers are sequentially increased from the head end to the tail end. If the clip occupies a certain length on the ring structure after the clip is wound into a ring shape, the length occupied by the clip can be included in the size, that is, the length occupied by the clip is not 0 scale, for example, the length occupied by the clip is 2 or other numbers, and the clip can be designed according to specific situations. For clarity, three parallel straight lines in fig. 2 represent three scale lines, no number marks are marked on the scale lines, and the head end of the scale line is not designed from 0, and the scale line is designed according to actual size.

Each of the numerical values set on the arm circumference scale corresponds to the size of the arm circumference, that is, the number of arm circumferences measured when the pressure applied to the arm is 0mmHg, and may be, for example, 2, 4, 6, … … 24 cm, or 1, 2, 3 … … 30 cm, or the like, and may be set as needed.

As shown in fig. 4 (for clarity, only one numerical value is given in fig. 4, and other numerical values are not shown), each numerical value set on each pressure intensity corresponding scale line is also the size of the arm circumference, and corresponds to the numerical value on the arm circumference scale line one by one, but the position of the same numerical value on the arm circumference scale line is different from the position of the same numerical value on the pressure intensity corresponding scale line, and the larger the pressure intensity is, the closer the same numerical value is to the head end of the tourniquet body; when the buckle is located at the value of the pressure corresponding to the scale mark, the tourniquet generates corresponding pressure on the arm corresponding to the size of the arm circumference. For example, for the numeral 20, 20 on the scale line of the arm circumference indicates that the pressure is 0mmHg, i.e., the size of the arm circumference measured without pressure, and 20 on the scale line corresponding to 80mmHg also indicates the size of the arm circumference, when the buckle is located at the numeral, the tourniquet generates a pressure of 80mmHg for the arm with the size of the arm circumference of 20, and 20 on the scale line corresponding to 90mmHg also indicates the size of the arm circumference, and when the buckle is located at the numeral, the tourniquet generates a pressure of 90mmHg for the arm with the size of the arm circumference of 20, so that for the same numeral, the larger the pressure, the closer the numeral on the scale line corresponding to the pressure is to the head end of the tourniquet body.

The method for determining the position of each scale value on the tourniquet of the present invention can be made by various methods, for example, the following methods can be used:

the method comprises the steps of manufacturing a plurality of annular air bags with fixed inner and outer circumferences after inflation, keeping a pressure measuring hole, taking 5cm of the outer circumference as an example, fixing the annular air bags on a cylindrical mold which is completely matched with the inner circumference, sleeving a tourniquet with the same width as the air bags on the outer side, tightening the tourniquet to enable the pressure in the annular air bags to reach 80mmHg, recording a scale mark '5' on the 80mmHg scale mark where the tourniquet reaches the scale mark, continuously tightening the tourniquet to enable the pressure in the bags to reach 90mmHg, recording the scale mark '5' on the 90mmHg scale mark where the tourniquet reaches the scale mark, and so on, obtaining the required reaching positions of the tourniquet to reach 80mmHg and 90mmHg pressures under the outer circumference of each annular mold or the circumference of the arm, and marking. The marking of each scale number on the tourniquet can be realized. In order to be convenient to use, the tourniquet made of the same material can be designed into different models with different widths, so that the tourniquet is more convenient and the pressure intensity is not changed.

Example six:

as shown in fig. 5, the vernier 6 in the above embodiments is a rectangular ring structure, and is sleeved on the tourniquet body. Preferably, the vernier 6 is made of silica gel, and the silica gel has certain elasticity and can be clamped on the tourniquet body 5 when moving to a required position.

Example seven:

in order to further fix the cursor, the present embodiment designs the cursor 6 as a clip-like structure, which can be clamped at any position on the tourniquet body 5.

Preferably, clip column structure includes two clamping pieces, and two clamping pieces pass through the torsional spring and the rotation axis is articulated together, and one of them clamping piece is the back contact with the tourniquet body, and this clamping piece is planar structure, can not exert an influence to patient's skin like this, and the front contact of another clamping piece and the tourniquet body is connected with the handle that upwarps on this clamping piece. Thus, the cursor is opened and moved to the desired position, and released to clamp the cursor thereto.

More preferably, the two clamping pieces are provided with anti-slip teeth on opposite surfaces, so that when the tourniquet body is clamped by the two clamping pieces, the anti-slip teeth on the clamping pieces enable the vernier to be clamped on the tourniquet body more tightly.

The utility model discloses a use method as follows:

1. the tourniquet body is wound on the arm of a patient, for the first to third embodiments, the tail end of the tourniquet body is inserted into the inserting groove on the buckle (for the fourth embodiment, the tenon is inserted into the buckle), the tail end of the tourniquet body is pulled, under the condition that the tourniquet body does not apply tension to the arm of the patient, the middle scale mark (namely the arm circumference scale mark) is used for measuring the arm circumference of the measured person, and after the measurement is finished, the number of the arm circumferences is recorded;

2. for the structures of the first embodiment to the third embodiment, the pull rod is pulled through the handle, the clamping tongue is withdrawn from the clamping groove (for the structure of the fourth embodiment, the buckle is pulled), the tourniquet is slightly loosened, and then the vernier is adjusted to the required scale;

3. pulling the tail end of the tourniquet body again to enable the buckle to reach the vernier, namely tightening the tourniquet, selecting a blood vessel at the moment, and after the blood vessel is selected, pulling the pull rod through the handle (pulling the buckle for the structure of the fourth embodiment) for the structures of the first to third embodiments to slightly loosen the tourniquet to enable the tourniquet to return to a state without tension;

4. and (4) disinfecting, and pulling the tail end of the tourniquet body again to enable the buckle to reach the vernier, so that the tourniquet body is tightened.

5. And (3) puncturing, and after puncturing is finished, pulling the pull rod through the handle to loosen the tourniquet for the structures of the first to third embodiments (for the structure of the fourth embodiment, pressing down the button on the buckle to enable the tenon head to be pulled out of the buckle), and taking down the tourniquet.

In the step 2, the graduation mark is selected according to the pressure of the tourniquet, for example, if the number of the arm circumference measured in the first step is 20 cm, if the pressure to be selected is 80mmHg, 20 is found on the 80mmHg pressure graduation mark, the cursor is moved to the position marked as 20 on the 80mmHg pressure graduation mark, and the edge of the side of the cursor close to the tail end of the tourniquet body is aligned with the graduation mark. Similarly, if the pressure to be selected is 90mmHg, 20 is found on the 90mmHg pressure scale line, and the cursor is moved to the position marked as 20 on the 90mmHg pressure scale line, so that the edge of the side of the cursor close to the tail end of the tourniquet body is aligned with the scale.

In the step 3, when the buckle reaches the cursor, the selected pressure is realized by the tightness of the tourniquet.

The above technical solution is only an implementation manner of the present invention, and for those skilled in the art, based on the principle disclosed in the present invention, various modifications or variations can be easily made, and not limited to the structure described in the above specific embodiments of the present invention, so that the foregoing description is only preferred, and not restrictive.

Claims (10)

1. A tourniquet, comprising: the tourniquet comprises: the tourniquet comprises a tourniquet body, a vernier and a buckle;

the tourniquet body is of a strip-shaped structure, one end of the tourniquet body is a head end, and the other end of the tourniquet body is a tail end;

the buckle is fixedly connected to the head end of the tourniquet body, the tail end of the tourniquet body can penetrate through the buckle, and the buckle can be clamped on the tourniquet body;

the vernier is sleeved on the tourniquet body and can move on the tourniquet body in a reciprocating mode.

2. The tourniquet of claim 1, wherein: a plurality of parallel clamping grooves are formed in the back surface of the tourniquet body;

the clamping grooves are sequentially arranged along the length direction of the tourniquet body;

the length direction of each clamping groove is vertical to the length direction of the tourniquet body;

each clamping groove is composed of an inclined surface and a straight surface.

3. The tourniquet of claim 2, wherein: a penetrating groove is formed in the buckle;

the penetrating direction of the penetrating groove is vertical to the plane of the tourniquet body;

the tail end of the tourniquet body can penetrate through the penetrating groove.

4. The tourniquet of claim 3, wherein: a clamping tongue is arranged in the penetrating groove;

the upper end of the clamping tongue is fixedly connected with the inner wall of one side of the penetrating groove;

the lower end of the clamping tongue is suspended in the air and is a free end;

the lower end of the clamping tongue is provided with a bulge, an inclined plane is arranged on the bulge, and the inclined plane is matched with the inclined planes on the clamping grooves on the tourniquet body, so that the clamping grooves can be clamped.

5. The tourniquet of claim 4, wherein: the buckle is also provided with an exit device;

the withdrawing device comprises: a pull rod and a handle;

one end of the pull rod is connected with the lower end of the clamping tongue, and the other end of the pull rod penetrates through the wall of the buckle and then is connected with a handle positioned outside the buckle;

the pull rod is perpendicular to the side wall of the buckle;

the bulge and the connecting rod are respectively positioned at two sides of the lower end of the clamping tongue.

6. The tourniquet of claim 5, wherein: all the clamping grooves on the tourniquet body are arranged in the middle of the tourniquet body;

the upper surface of each clamping groove and the back surface of the tourniquet body are positioned in the same plane;

the back of the buckle and the back of the tourniquet body are located in the same plane.

7. The tourniquet of claim 6, wherein: a spring is arranged between the clamping tongue and the inner wall of the buckle;

the spring is sleeved on the pull rod.

8. A tourniquet, comprising: the tourniquet comprises: the tourniquet comprises a buckle, a tenon, a seal, a tourniquet body and a vernier;

the tenon is fixedly connected with the head end of the tourniquet body;

the seal is fixedly connected with the tail end of the tourniquet body;

the buckle is sleeved on the tourniquet body and can move on the tourniquet body;

the buckle is provided with a button, the tenon head can be inserted into the buckle to be fixed, and the tenon head is separated from the buckle when the button is pressed;

the vernier is sleeved on the tourniquet body and can move on the tourniquet body in a reciprocating mode.

9. Tourniquet according to any of claims 1 to 8, wherein: at least two scale marks are arranged on the front surface of the tourniquet body, one scale mark is an arm circumference scale mark, and the other scale mark is a pressure corresponding scale mark;

the number marked on each scale mark is increased from the head end to the tail end of the tourniquet body in sequence;

each numerical value set on the arm circumference scale mark corresponds to the size of the arm circumference;

each numerical value arranged on each pressure intensity corresponding scale mark also corresponds to the size of the arm circumference, but the position of the same numerical value on the arm circumference scale mark is different from the position of the same numerical value on the pressure intensity corresponding scale mark, and the larger the pressure intensity is, the closer the same numerical value is to the head end of the tourniquet body; when the buckle is positioned at the value, the tourniquet generates corresponding pressure on the arm corresponding to the size of the arm circumference.

10. The tourniquet of claim 9, wherein: the vernier is of a rectangular annular structure and is sleeved on the tourniquet body;

or the vernier is in a clip-shaped structure; the clip-like structure comprises two clamping pieces; the two clamping pieces are hinged together through a torsion spring and a rotating shaft, one of the two clamping pieces is in contact with the back surface of the tourniquet body, and the other clamping piece is in contact with the front surface of the tourniquet body; anti-skid teeth are respectively arranged on the opposite surfaces of the two clamping pieces.

Images