Air pressure tourniquet

By adding a contamination-proof membrane and Velcro for fixation to the pneumatic tourniquet, combined with one-way air valve monitoring, the problems of tourniquet contamination and air leakage are solved, stable air pressure monitoring and prevention of contamination are achieved, and the hemostasis effect of the patient's wound is ensured.

CN223682574UActive Publication Date: 2025-12-19NINGBO SIXTH HOSPITAL
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Patent Information

Application Number
CN202422737977.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-12-19
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

Existing pneumatic tourniquets are easily contaminated with blood after application to patients with open wounds on the limbs. Inadequate cleaning and disinfection, coupled with aging and leaking rubber tubing, result in insufficient air pressure and ineffective hemostasis.

Method used

A pneumatic tourniquet with an anti-fouling film was designed. It combines Velcro fastening and one-way air valve monitoring to ensure stable air pressure, and the outer side of the tourniquet is protected by a polyester film to prevent contamination.

Benefits of technology

It enables real-time pressure monitoring and contamination prevention of pneumatic tourniquets, avoiding insufficient pressure due to air leakage or contamination, and ensuring the hemostatic effect of the patient's wound.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical instruments, and discloses an air pressure tourniquet. The air pressure tourniquet comprises an air pressure tourniquet body and an antifouling film, first hook-and-loop fasteners which are matched with each other are sewn to the front side and the rear side of the air pressure tourniquet body respectively, the device has the advantages that the pressure of the air pressure tourniquet can be monitored at any time, and slow bleeding of wounds of patients due to pressure reduction is avoided; the problems that in the prior art, an air pressure tourniquet is prone to being polluted by the bloodstains, the bloodstains are prone to being cleaned and disinfected incompletely in the bonding portion of the tourniquet, water enters an air pressure pipeline easily in the cleaning process, a rubber pipe of the air pressure tourniquet is aged, cracked and leaks air, and the air pressure tourniquet is prone to being replaced by the bloodstains are solved. The problem that the blood of a patient slowly leaks out due to insufficient air pressure caused by insufficient internal pressure of an air pressure tourniquet to perform compression hemostasis on a wound due to the fact that a nurse does not observe in place in time is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field and disclose a kind of pneumatic tourniquet. BACKGROUND

[0002] As a simple and practical hemostatic tool, pneumatic tourniquet plays a very important role in orthopedic surgery and is widely used in limb surgery. It reduces surgical incision bleeding by blocking arterial and venous blood flow for a short time, thereby achieving clear vision, convenient surgical operation, reducing intraoperative bleeding volume and promoting early recovery of patients.

[0003] In the prior art, after the pneumatic tourniquet is applied to patients with open wounds of limbs, the pneumatic tourniquet is easily contaminated by blood. In the sticky part of the tourniquet, blood washing and disinfection may not be thorough. Water may enter the pneumatic pipeline during the washing process. Currently, most tourniquets are connected to instruments. During patient examination, the end is closed by an oval clamp to achieve the effect of no air leakage. However, if the rubber tube is aged and cracked, there may be hidden air leakage. If the nurse does not observe in time, there may be a situation of insufficient air pressure, which may lead to insufficient internal pressure of the pneumatic tourniquet to compress and stop bleeding of the wound, thereby causing slow bleeding of the patient. Therefore, a pneumatic tourniquet and a pollution-proof film are proposed to solve the above problems. SUMMARY

[0004] (I) Technical problems solved

[0005] To overcome the shortcomings of the prior art, the utility model provides a pneumatic tourniquet, which can monitor the pressure of the pneumatic tourniquet at any time, avoid slow bleeding of the patient's wound caused by reduced pressure, and achieve the effect of one use and one replacement by installing a pollution-proof film on the outside of the pneumatic tourniquet, thereby avoiding contamination of the tourniquet by blood. The utility model solves the problems in the prior art, such as contamination of the pneumatic tourniquet by blood after it is applied to patients with open wounds of limbs, contamination of the sticky part of the tourniquet by blood, incomplete washing and disinfection of blood, entry of water into the pneumatic pipeline during the washing process, aging and cracking of the rubber tube of the pneumatic tourniquet, hidden air leakage, and insufficient air pressure due to the nurse's failure to observe in time, which may lead to insufficient internal pressure of the pneumatic tourniquet to compress and stop bleeding of the wound, thereby causing slow bleeding of the patient.

[0006] (II) Technical solutions

[0007] The utility model discloses a technical scheme that solves the above technical problem as follows: a pneumatic tourniquet, including pneumatic tourniquet body and antifouling film, the front and back sides of pneumatic tourniquet body are sewed with mutually adapted first magic tape respectively, the rear side of pneumatic tourniquet body right -hand member is sewed with the pressure band, the front side of pressure band upper end and the rear side of lower end are sewed with mutually adapted second magic tape respectively, the front side of pneumatic tourniquet body is equipped with the inflation mouth with inside communication, the left end of inflation mouth is fixedly connected with the one-way air valve with communication, the outside of inflation mouth is equipped with the air pressure instrument with inside communication.

[0008] The utility model discloses the beneficial effect is: the pneumatic tourniquet, the pneumatic tourniquet body is wound to the outside of the limb of four limbs open wound, and the first magic tape is adhered, and then the pressure band is adhered to the pneumatic tourniquet body through the second magic tape and further fixed, the one-way air valve is connected with the pressure instrument, after the pressure instrument and one-way air valve are disconnected in the patient examination process after the pressure, through the air pressure instrument, the pressure inside the pneumatic tourniquet body can be monitored at any time, prevent the pneumatic tourniquet body from leaking, and if the nurse does not observe in place in time, the situation that there is insufficient pressure exists, and then the pressure inside the pneumatic tourniquet is insufficient to the wound and is pressed to stop bleeding, so as to lead to the slow exuding of patient's blood, through the air pressure instrument monitoring the pressure inside the pneumatic tourniquet at any time and timely pressurizing, with the pressure of the pneumatic tourniquet at any time, the advantage that the slow bleeding of patient's wound caused by the pressure reduction is avoided.

[0009] On the basis of the above technical scheme, the utility model also can make the following improvement.

[0010] The utility model discloses a pneumatic tourniquet, the antifouling film includes substrate film, the upper and lower sides of substrate film all are fused with sectorial cladding film, substrate film and sectorial cladding film's left end front side fuse with same first " female " clip chain, substrate film and sectorial cladding film's right end rear side fuse with same and present horizontal equidistance distribution's first " male " clip chain, first " male " clip chain and first " female " clip chain adaptation, the front side of sectorial cladding film far from substrate film one end respectively fuse with mutually adapted second " male " clip chain and second " female " clip chain.

[0011] The air pressure tourniquet, before winding the air pressure tourniquet body, winds the substrate film to the outside of the limb until the first "female" clip chain and the first "male" clip chain are bonded to make the substrate film form a closed loop, then the excess substrate film and the fan-shaped covering film are cut along the gap between the first "male" clip chain, and the air pressure tourniquet body can be wound and fixed to the outside of the substrate film, so that the fan-shaped covering film on both sides of the substrate film is covered outside the air pressure tourniquet body, and the second "male" clip chain and the second "female" clip chain are bonded, so that the installation of the anti-fouling film is completed, the anti-fouling film is installed outside the air pressure tourniquet, the effect of one use and one replacement is achieved, and the advantage that the tourniquet is prevented from being contaminated by bloodstains is achieved.

[0012] Further, the material of the substrate film and the fan-shaped covering film is polyester film. The beneficial effect of the further scheme is that the polyester film has excellent chemical corrosion resistance, good resistance to common acids, bases and organic solvents, which enables it to protect the contents from environmental influences in medical packaging and storage, has high transparency, is convenient for observing the internal medical products, is beneficial for medical personnel to check and use, has high strength and toughness, can withstand certain stretching and impact, and is suitable for medical applications that require protection of the contents from physical damage. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a schematic diagram of the air pressure tourniquet body, the substrate film and the fan-shaped covering film combined structure of the utility model;

[0014] Fig. 2 is a schematic diagram of the air pressure tourniquet body structure of the utility model;

[0015] Fig. 3 is an enlarged schematic diagram of the structure at a of the utility model;

[0016] Fig. 4 is a schematic diagram of the substrate film and the fan-shaped covering film fusion structure of the utility model;

[0017] Fig. 5 is a schematic diagram of the substrate film and the fan-shaped covering film structure of the utility model.

[0018] In the drawings: 1, air pressure tourniquet body; 2, first magic tape; 3, compression belt; 4, second magic tape; 5, inflation nozzle; 6, one-way air valve; 7, air pressure instrument; 8, substrate film; 9, fan-shaped covering film; 10, first "female" clip chain; 11, first "male" clip chain; 12, second "male" clip chain; 13, second "female" clip chain. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0020] Embodiment one, as shown in Figs. 1-5, a kind of air pressure tourniquet, the utility model includes air pressure tourniquet body 1 with antifouling film, the front and back sides of the air pressure tourniquet body 1 are respectively sewn with mutually adapted first magic tape 2, the rear side of the right end of the air pressure tourniquet body 1 is sewn with pressure belt 3, the front side of the upper end of the pressure belt 3 and the rear side of the lower end are respectively sewn with mutually adapted second magic tape 4, the front side of the air pressure tourniquet body 1 is equipped with the inflation nozzle 5 with internal communication, the left end of the inflation nozzle 5 is fixedly connected with the one-way air valve 6 communicated with it, the outside of the inflation nozzle 5 is equipped with the air pressure instrument 7 with internal communication with it;

[0021] Embodiment one, as shown in Figs. 1-5, a kind of air pressure tourniquet, the utility model includes air pressure tourniquet body 1 with antifouling film, the front and back sides of the air pressure tourniquet body 1 are respectively sewn with mutually adapted first magic tape 2, the rear side of the right end of the air pressure tourniquet body 1 is sewn with pressure belt 3, the front side of the upper end of the pressure belt 3 and the rear side of the lower end are respectively sewn with mutually adapted second magic tape 4, the front side of the air pressure tourniquet body 1 is equipped with the inflation nozzle 5 with internal communication, the left end of the inflation nozzle 5 is fixedly connected with the one-way air valve 6 communicated with it, the outside of the inflation nozzle 5 is equipped with the air pressure instrument 7 with internal communication with it;

[0022] Embodiment two, based on the embodiment one, a kind of air pressure tourniquet, the antifouling film includes substrate film 8, the upper and lower sides of the substrate film 8 are both fused with fan-shaped covering film 9, the left end front side of the substrate film 8 and fan-shaped covering film 9 is fused with the same first "female" clip chain 10, the right end rear side of the substrate film 8 and fan-shaped covering film 9 is fused with the same first "male" clip chain 11 and is transversely equidistant distribution, the first "male" clip chain 11 is adapted with the first "female" clip chain 10, the front side of the fan-shaped covering film 9 far from the one end of substrate film 8 is respectively fused with mutually adapted second "male" clip chain 12 and second "female" clip chain 13;

[0023] Before winding the gas pressure tourniquet body 1, the substrate film 8 is wound to the outside of the limb until the first "female" clip chain 10 and the first "male" clip chain 11 are adhered to form a closed loop of the substrate film 8, and then the excess substrate film 8 and the fan-shaped wrapping film 9 are cut along the gap between the first "male" clip chain 11, that is, the gas pressure tourniquet body 1 is wound and fixed to the outside of the substrate film 8, so that the fan-shaped wrapping film 9 on both sides of the substrate film 8 is wrapped outside the gas pressure tourniquet body 1, and the second "male" clip chain 12 and the second "female" clip chain 13 are adhered, that is, the installation of the anti-fouling film is completed.

[0024] The material of the substrate film 8 and the fan-shaped wrapping film 9 is polyester film.

[0025] The polyester film has excellent chemical corrosion resistance and good resistance to common acids, bases and organic solvents, which enables it to protect the contents from environmental influences in medical packaging and storage, has high transparency, is convenient for medical staff to check and use, has high strength and toughness, can withstand certain stretching and impact, and is suitable for medical applications that require protection of the contents from physical damage.

[0026] Working principle:

[0027] First innovative point implementation steps:

[0028] Step 1: Wind the gas pressure tourniquet body 1 to the outside of the limb with open wounds, and adhere the first magic tape 2, and then further fix the gas pressure tourniquet body 1 by adhering the compression band 3 through the second magic tape 4.

[0029] Step 2: Connect the one-way air valve 6 to the pressure instrument, and after the pressure is finished, disconnect the pressure instrument from the one-way air valve 6 during the patient's examination, and monitor the internal pressure of the gas pressure tourniquet body 1 at any time through the air pressure instrument 7.

[0030] Step 3: Monitor the internal pressure of the gas pressure tourniquet body 1 at any time to prevent the gas pressure tourniquet body 1 from leaking and the nurse from not observing in place in time, resulting in insufficient air pressure, and then leading to insufficient internal pressure of the gas pressure tourniquet to compress and stop bleeding of the wound, thereby causing the patient's blood to slowly seep out, and the internal pressure of the gas pressure tourniquet body 1 is monitored at any time through the air pressure instrument 7 to pressurize it in time.

[0031] Second innovative point implementation steps:

[0032] First step: before winding the air pressure tourniquet body 1, the substrate film 8 is wound to the outside of the limb until the first "female" clip chain 10 and the first "male" clip chain 11 are adhered to form a closed loop of the substrate film 8;

[0033] Second step: the excess substrate film 8 and the fan-shaped covering film 9 are cut along the gap between the first "male" clip chain 11, and the air pressure tourniquet body 1 is wound and fixed to the outside of the substrate film 8;

[0034] Third step: the fan-shaped covering film 9 on both sides of the substrate film 8 is covered outside the air pressure tourniquet body 1, and the second "male" clip chain 12 and the second "female" clip chain 13 are adhered, and the installation of the anti-fouling film is completed.

[0035] It should be noted that in this text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pneumatic tourniquet comprising a pneumatic tourniquet body (1) and an anti-fouling membrane, characterized in that: The front and back sides of the air pressure tourniquet body (1) are respectively sewn with mutually adapted first magic tapes (2), the back side of the right end of the air pressure tourniquet body (1) is sewn with a compression belt (3), the front side of the upper end and the back side of the lower end of the compression belt (3) are respectively sewn with mutually adapted second magic tapes (4), the front side of the air pressure tourniquet body (1) is provided with an inflation nozzle (5) in communication with the inside, the left end of the inflation nozzle (5) is fixedly connected with a one-way air valve (6) in communication therewith, and the outside of the inflation nozzle (5) is provided with a gas pressure instrument (7) in communication with the inside thereof.

2. A pneumatic tourniquet according to claim 1, wherein: The antifouling film comprises a substrate film (8), fan-shaped covering films (9) are fused on the upper and lower sides of the substrate film (8), a same first female clamping chain (10) is fused on the left end front side of the substrate film (8) and the fan-shaped covering film (9), a same first male clamping chain (11) is fused on the right end back side of the substrate film (8) and the fan-shaped covering film (9) and is transversely and equidistantly distributed, the first male clamping chain (11) is adapted with the first female clamping chain (10), a second male clamping chain (12) and a second female clamping chain (13) are respectively fused on the front side of the end of the fan-shaped covering film (9) away from the substrate film (8) and are mutually adapted.

3. A pneumatic tourniquet according to claim 2, wherein: The material of the substrate film (8) and the fan-shaped covering film (9) is a polyester film.