Wound emergency hemostasis device and method of use thereof

Abstract

The present invention relates to the field of medical device technology, and in particular to an emergency hemostasis device for wounds, comprising a hemostasis component and a pushing component; the hemostasis component is used to be sleeved on at least part of the outer wall surface of the pushing component, and the pushing component is used to deliver the hemostasis component into the wound. The emergency hemostasis device for wounds provided by the present invention can quickly and effectively stop bleeding for some deeper wounds. The present invention also provides a method for using the emergency hemostasis device for wounds.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to an emergency hemostasis device for wounds and a use method thereof. Background Art

[0002] For some deeper wounds caused by bullets, shrapnel or hard sharp objects, there will be heavy bleeding at the wound and it is necessary to stop the bleeding quickly, otherwise it will be life-threatening.

[0003] Currently, pressure bandaging is commonly used for treatment, but this method cannot achieve the purpose of rapid hemostasis; in addition, for active bleeding in the limbs, the limb proximal to the wound needs to be ligated, but if the hemostasis time is too long, it will cause poor blood supply to the limb distal to the wound, causing limb necrosis. Summary of the invention

[0004] The purpose of the present invention is to provide an emergency hemostasis device for wounds and a method of use, so as to solve the problems existing in the above-mentioned prior art and to be able to quickly and effectively stop bleeding for some deeper wounds.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] The invention provides an emergency hemostasis device for wounds, comprising a hemostasis component and a pushing component; the hemostasis component is used for being sleeved on at least a part of the outer wall surface of the pushing component, and the pushing component is used for delivering the hemostasis component into the wound.

[0007] Preferably, the pushing component includes a center rod and a sleeve, the sleeve is sleeved on the outer circumferential surface of the center rod and is slidably connected to the center rod; the end of the center rod used to insert into the wound is an insertion end; the hemostatic component is configured as a cap-shaped structure with one end closed, the hemostatic component is used to be sleeved on the outer circumferential surface of the center rod, and the insertion end is close to the closed end of the hemostatic component, the sleeve is farther away from the insertion end than the hemostatic component, and the sleeve is used to push the hemostatic component.

[0008] Preferably, during the process of the sleeve pushing the hemostatic component, an end of the sleeve close to the insertion end abuts against an end of the hemostatic component away from the insertion end.

[0009] Preferably, a notch is provided on the center rod, the width of the notch is along the radial direction of the center rod and passes through the center rod, and the length direction of the notch is along the axial direction of the center rod; a cross bar is fixedly provided on the inner wall of the sleeve along the radial direction, the cross bar passes through the notch and the cross bar can move along the length direction of the notch to realize the axial sliding of the sleeve along the center rod.

[0010] Preferably, the end of the central rod away from the insertion end and the end of the sleeve away from the hemostatic component are both provided with symmetrical wing edges.

[0011] Preferably, the hemostatic component includes an intermediate layer and chitosan gauze, the intermediate layer is a cap-shaped structure with one end closed, and the chitosan gauze is covered on the outer circumference of the intermediate layer; the intermediate layer is used to be sleeved on the outer circumference of the center rod, and the insertion end is located at the closed end of the intermediate layer.

[0012] Preferably, the hemostatic component further comprises a PE film, and the PE film is disposed at least on a portion where the inner wall surface of the intermediate layer is opposite to the outer peripheral surface of the central rod.

[0013] Preferably, the middle layer is made of polyurethane foam material.

[0014] Preferably, the central rod and the sleeve are both made of any one of medical polypropylene, medical polyethylene or medical polyvinyl chloride.

[0015] The present invention also provides a method for using the above-mentioned wound emergency hemostasis device, comprising:

[0016] Step 1: Clean the wound surface;

[0017] Step 2: delivering the hemostatic component into the wound via the pushing component;

[0018] Step 3: Pulling the pushing component out of the wound;

[0019] Step 4: Bandage the wound with gauze.

[0020] Compared with the prior art, the present invention has achieved the following technical effects:

[0021] The present invention provides an emergency hemostasis device for wounds. For some deeper wounds, a hemostasis component sleeved on the outer wall of the pushing component is sent into the wound by a pushing component, and then the pushing component can be removed from the wound. The hemostasis component located in the wound can play a role in rapid hemostasis.

[0022] The present invention also provides a method for using the emergency hemostasis device for wounds, which can achieve the effect of quickly stopping bleeding for deeper wounds. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the structure of the emergency hemostasis device for wounds provided in Example 1;

[0025] Figure 2 for Figure 1 A front view of the emergency wound hemostasis device;

[0026] Figure 3 A schematic diagram of the structure of the center rod provided in Example 1;

[0027] Figure 4 This is a cross-sectional schematic diagram of the hemostasis component provided in Example 1.

[0028] Icons: 1-wound emergency treatment device; 11-hemostatic component; 111-middle layer; 112-chitosan gauze; 113-PE film; 12-pushing component; 121-center rod; 1211-insertion end; 1212-notch; 122-sleeve; 1221-cross bar; 13-wing edge. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] The purpose of the present invention is to provide an emergency hemostasis device for wounds and a method of use, so as to solve the problems existing in the above-mentioned prior art and to be able to quickly and effectively stop bleeding for some deeper wounds.

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Embodiment 1

[0033] This embodiment provides an emergency hemostasis device for wounds, see Figure 1 , including a hemostatic component 11 and a pushing component 12; the hemostatic component 11 is used to be sleeved on at least a portion of the outer wall surface of the pushing component 12, and the pushing component 12 is used to deliver the hemostatic component 11 into the wound.

[0034] For some deeper wounds, the hemostatic component 11 sleeved on the outer wall of the pushing component 12 is sent into the wound by the pushing component 12, and then the pushing component 12 can be removed from the wound, and the hemostatic component 11 located in the wound can play a role in rapid hemostasis.

[0035] Among the optional solutions of this embodiment, it is more preferred to refer to Figure 1 The pushing component 12 includes a central rod 121 and a sleeve 122, the sleeve 122 is sleeved on the outer circumference of the central rod 121 and is slidably connected to the central rod 121; the end of the central rod 121 used to extend into the wound is an insertion end 1211; the hemostatic component 11 is configured as a cap-shaped structure with one end closed, the hemostatic component 11 is sleeved on the outer circumference of the central rod 121, and the insertion end 1211 is close to the closed end of the hemostatic component 11. When the central rod 121 is extended into the wound, the insertion end 1211 pushes the hemostatic component 11 into the wound by abutting against the cap-shaped end of the hemostatic component 11. Hemostasis: The sleeve 122 is farther away from the insertion end 1211 than the hemostasis component 11, and the sleeve 122 is slidably connected to the center rod 121. The sleeve 122 can push the hemostasis component 11 to be quickly inserted into the wound for hemostasis, and in the process of the sleeve 122 pushing the hemostasis component 11, the sleeve 122 can also compress the hemostasis component 11 to play a role of compressing hemostasis. In addition, when the insertion end 1211 of the center rod 121 drives the hemostasis component 11 to penetrate into the wound, there may still be parts of the hemostasis component 11 that have not entered the wound, and the sleeve 122 is able to completely push the hemostasis component 11 into the wound for hemostasis.

[0036] Furthermore, considering that wounds caused by bullets, shrapnel or hard sharp objects are deeper, such as bullet wounds, it is very likely to penetrate the human body and cause penetrating wounds. Even if the wound does not penetrate the human body, it will be very deep. Combined with the depth and diameter of the wound, the length of the center rod 121 can be set to 192mm-200mm, and the diameter can be set to 10mm; the length of the sleeve 122 can be set to 60mm-80mm, the inner diameter can be set to 11mm-15mm, and the wall thickness can be set to 0.9mm-1.0mm; the length of the hemostatic component 11 is set to 130mm-140mm; so that the wound emergency hemostasis device 1 has sufficient length to enter the wound for hemostasis.

[0037] In the optional scheme of this embodiment, it is more preferred that during the process of the sleeve 122 pushing the hemostatic component 11, the end of the sleeve 122 close to the insertion end 1211 abuts against the end of the hemostatic component 11 away from the insertion end 1211, so that the sleeve 122 can stably push the hemostatic component 11; wherein the outer diameter of the hemostatic component 11 is not less than the inner diameter of the sleeve 122.

[0038] Among the optional solutions of this embodiment, it is more preferred to refer to Figure 2 and Figure 3A notch 1212 is provided on the center rod 121, the width of the notch 1212 is along the radial direction of the center rod 121 and penetrates the center rod 121, and the length direction of the notch 1212 is along the axial direction of the center rod 121; a cross bar 1221 is fixedly provided on the inner wall of the sleeve 122 along the radial direction, the cross bar 1221 passes through the notch 1212 and the cross bar 1221 can move along the length direction of the notch 1212 to realize the axial sliding of the sleeve 122 along the center rod 121.

[0039] Specifically, the width of the notch 1212 is set to 2mm-3mm, the end of the notch 1212 in the length direction close to the insertion end 1211 is 20mm-30mm away from the insertion end 1211, and the other end of the notch 1212 in the length direction is 60mm-70mm away from the other end of the center rod 121; the length of the cross bar 1221 is consistent with the inner diameter of the sleeve 122, the width of the cross bar 1221 is set to 1.5mm-2.0mm, and the cross bar 1221 is set 10mm-20mm away from the end of the sleeve 122 close to the hemostasis component 11.

[0040] Among the optional solutions of this embodiment, it is more preferred to refer to Figure 2 The end of the center rod 121 away from the insertion end 1211 and the end of the sleeve 122 away from the hemostasis component 11 are both provided with symmetrical wing edges 13, which is convenient for medical staff to operate the device; the distance between the wing edges 13 at both ends of the center rod 121 can be set to 40mm, and the distance between the wing edges 13 at both ends of the sleeve 122 should be greater than 40mm.

[0041] Among the optional solutions of this embodiment, it is more preferred to refer to Figure 4 The hemostatic component 11 includes an intermediate layer 111 and a chitosan gauze 112. The intermediate layer 111 is a cap-shaped structure with one end closed, and the chitosan gauze 112 is covered on the outer peripheral surface of the intermediate layer 111; the intermediate layer 111 is used to be sleeved on the outer peripheral surface of the central rod 121, and the extended end 1211 is close to the closed end of the intermediate layer 111; the chitosan gauze 112 is in direct contact with the wound, can accelerate the coagulation speed, has good biocompatibility and certain antibacterial properties, and is easy to take out for debridement after hemostasis; the intermediate layer 111 can support the chitosan gauze 112.

[0042] Specifically, the thickness of the middle layer 111 can be set to 1mm-3mm, and the size of the chitosan gauze 112 can be selected to be 600mm-800mm in length and 140mm-150mm in width. It can be wrapped around the middle layer 111, and the interface is connected by heat sealing or medical adhesive.

[0043] Among the optional solutions of this embodiment, it is more preferred to refer to Figure 4The hemostatic component 11 also includes a PE film 113, which is at least arranged on a portion of the inner wall surface of the intermediate layer 111 that is opposite to the outer peripheral surface of the center rod 121; the thickness of the PE film 113 is set to 0.1mm-0.3mm; the PE film 113 can reduce the friction between the hemostatic component 11 and the outer wall surface of the center rod 121 during the pushing process; wherein the PE film 113 and the intermediate layer 111 are connected by heat sealing or medical adhesive.

[0044] In the optional scheme of this embodiment, it is more preferred that the middle layer 111 is made of polyurethane foam material, which can play a role in absorbing liquid.

[0045] In the optional scheme of this embodiment, it is more preferred that the central rod 121 and the sleeve 122 are made of any one of medical polypropylene, medical polyethylene or medical polyvinyl chloride materials, have good biocompatibility, and can be formed in one step through a mold or 3D printing technology; wherein the central rod 121 and the sleeve 122 can be made of the same material or different materials.

[0046] Embodiment 2

[0047] This embodiment further provides an emergency wound hemostasis device 1, which is different from the first embodiment only in that the sleeve 122 is slidably connected to the central rod 121 through the cooperation of the slider and the slide groove.

[0048] Specifically, a sliding groove of a certain length is arranged on the outer peripheral surface of the center rod 121 along the axial direction, and a sliding block matched with the sliding groove is arranged on the inner wall of the sleeve 122 .

[0049] Embodiment 3

[0050] This embodiment provides a method for using the emergency wound hemostasis device 1 in Embodiment 1, comprising:

[0051] Step 1: Clean the wound surface;

[0052] Step 2: Deliver the hemostatic component 11 into the wound via the pushing component 12;

[0053] Step 3: Pulling the pushing component 12 out of the wound;

[0054] Step 4: Bandage the wound with gauze.

[0055] Steps 2 and 3 are specifically as follows: first, the center rod 121 is extended into the wound to drive the hemostatic component 11 into the wound, and then the sleeve 122 is made to slide relative to the center rod 121 and further push the hemostatic component 11 into the wound. At the same time, the center rod 121 is slowly pulled outwards, and after the hemostatic component 11 enters the wound or the sleeve 122 presses the hemostatic component 11 for a period of time, the pushing component 12 is completely removed.

[0056] After step 4, the patient should be sent to the hospital in time, and the gauze should be opened and the hemostatic component 11 should be taken out with tweezers, and then the wound should be cleaned with physiological saline or medical iodine tincture to facilitate the next step of treatment.

[0057] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A wound emergency hemostasis device, characterized in that: It comprises a hemostatic component (11) and a pushing component (12); the hemostatic component (11) is used to be sleeved on at least a part of the outer wall surface of the pushing component (12), and the pushing component (12) is used to push the hemostatic component (11) into the wound; The pushing component (12) comprises a central rod (121), and the end of the central rod (121) used for inserting into the wound is an inserting end (1211); the hemostatic component (11) is configured as a cap-shaped structure with one end closed, and the hemostatic component (11) is used for being sleeved on the outer peripheral surface of the central rod (121), and the inserting end (1211) is close to the closed end of the hemostatic component (11); The hemostatic component (11) comprises an intermediate layer (111) and a PE film (113); the intermediate layer (111) is a cap-shaped structure with one end closed; the intermediate layer (111) is used to be sleeved on the outer peripheral surface of the central rod (121); the insertion end (1211) is close to the closed end of the intermediate layer (111); the PE film (113) is at least arranged on the portion of the inner wall surface of the intermediate layer (111) opposite to the outer peripheral surface of the central rod (121).

2. The emergency hemostasis device for wounds according to claim 1, characterized in that: The pushing component (12) further comprises a sleeve (122), wherein the sleeve (122) is sleeved on the outer peripheral surface of the center rod (121) and is slidably connected to the center rod (121); The sleeve (122) is farther away from the insertion end (1211) than the hemostatic component (11), and the sleeve (122) is used to push the hemostatic component (11).

3. The emergency hemostasis device for wounds according to claim 2, characterized in that: During the process of the sleeve (122) pushing the hemostatic component (11), the end of the sleeve (122) close to the insertion end (1211) abuts against the end of the hemostatic component (11) away from the insertion end (1211).

4. The emergency hemostasis device for wounds according to claim 2, characterized in that: The center rod (121) is provided with a notch (1212), the width of the notch (1212) is along the radial direction of the center rod (121) and penetrates the center rod (121), and the length direction of the notch (1212) is along the axial direction of the center rod (121); a cross bar (1221) is fixedly provided on the inner wall of the sleeve (122) in the radial direction, the cross bar (1221) passes through the notch (1212) and the cross bar (1221) can move along the length direction of the notch (1212) to realize the axial sliding of the sleeve (122) along the center rod (121).

5. The emergency hemostasis device for wounds according to claim 2, characterized in that: The end of the central rod (121) away from the insertion end (1211) and the end of the sleeve (122) away from the hemostatic component (11) are both provided with symmetrical wing edges (13).

6. The emergency hemostasis device for wounds according to claim 2, characterized in that: The hemostatic component (11) further comprises chitosan gauze (112), wherein the chitosan gauze (112) is coated on the outer peripheral surface of the intermediate layer (111).

7. The emergency hemostasis device for wounds according to claim 1, characterized in that: The middle layer (111) is made of polyurethane foam material.

8. The emergency hemostasis device for wounds according to claim 2, characterized in that: The central rod (121) and the sleeve (122) are both made of any one of medical polypropylene, medical polyethylene or medical polyvinyl chloride.

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