VATS Compression Hemostat

Abstract

The present invention provides a VATS compression hemostat, comprising: a compression device, a hollow connecting end is arranged on the top, and a plurality of drainage channels are extended from the connecting end toward the side wall and the bottom of the compression device; a hollow support rod, one end of which is screwed to the connecting end, and the other end is connected to an aspirator; a pop-up compression piece, which can be slidably arranged in a side wall of the compression device; and a controller, which is arranged on the side wall of the support rod away from one end of the compression device, and is used to control the pop-up length of the pop-up compression piece; a spring is abutted on one side of the pop-up compression piece, and a pull wire is connected to the pop-up compression piece, which passes through the spring and is connected to the controller. The use of the VATS compression hemostat can avoid vascular damage during VATS and turn to thoracotomy, and can quickly find bleeding points and treat them, greatly reducing the risk of hemorrhagic shock, while not increasing the rapid recovery factor.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to a VATS compression hemostat. Background Art

[0002] Compared with traditional open chest surgery, VATS (video-assisted thoracic surgery) has the advantages of less trauma, less pain and faster recovery.

[0003] During VATS, a large amount of blood loss occurs within a short period of time due to vascular damage. Gauze compression is usually used, and VATS must be immediately converted to thoracotomy, which greatly extends the original surgical incision (3-4cm) by several times (about 15cm). In order to expand the surgical field of view, the incision may even be extended to a longer one.

[0004] There are two drawbacks to this approach:

[0005] 1. Due to the delay in stopping bleeding during thoracotomy, there is a possibility of hemorrhagic shock, which may even endanger the patient's life in severe cases;

[0006] Second, extending the surgical incision will increase the patient's trauma, increase postoperative pain and the risk of lung complications (such as lung infection, atelectasis, pleural effusion, empyema, etc.); it will also increase the risk of poor wound healing, increase surgical costs, and prolong hospitalization, and cannot achieve the purpose of ERAS (Enhanced Recovery After Surgery).

[0007] In order to avoid thoracotomy during VATS due to vascular injury, and to quickly find bleeding points and treat (such as suturing, ligating, etc.) bleeding vessels, greatly reduce the risk of hemorrhagic shock, and not increase ERAS factors, it is necessary to develop a compression hemostat for use during VATS, which can be placed in the chest cavity through the original minimally invasive incision, quickly compress bleeding, accurately find the bleeding site, and promptly treat damaged blood vessels and tissues. However, there is currently no device for treating vascular injury during VATS. Summary of the invention

[0008] In order to solve the above problems, the purpose of the present invention is to provide a VATS compression hemostat, which can avoid vascular damage and conversion to thoracotomy during VATS, and can quickly find and treat bleeding points, greatly reducing the risk of hemorrhagic shock, while not increasing the rapid recovery factor, solving the technical problems existing in VATS in the prior art.

[0009] To achieve the above objectives, the technical solution of the present invention is as follows.

[0010] A VATS compression hemostat, comprising:

[0011] A compression device, the top of which is provided with a hollow connection end, and the connection end has a plurality of drainage channels extending toward the side wall and the bottom of the compression device;

[0012] A hollow support rod, one end of which is threadedly connected to the connecting end and the other end of which is connected to the attractor;

[0013] A pop-up pressing piece, slidably disposed in a side wall of the compression device; and

[0014] A controller, disposed on a side wall of the support rod at one end away from the pressing device, for controlling the ejection length of the ejection type pressing sheet;

[0015] A spring is abutted on one side of the pop-up pressing sheet, a pull wire is connected to the pop-up pressing sheet, the pull wire passes through the spring, and is connected to the controller.

[0016] Furthermore, an arc-shaped cover plate is provided on the side wall of the support rod, and the arc-shaped cover plate is combined with the outer wall of the support rod to form a cavity through which the pull wire passes. A strip hole is provided at one end of the arc-shaped cover plate away from the compression device, and a plurality of limiting slots are provided on one side wall of the strip hole. The controller is arranged in the strip hole, and its shape is adapted to the plurality of limiting slots.

[0017] Wherein, a pulley is arranged at the lower end of the arc-shaped cover plate, and the pulley is rotatably connected to the arc-shaped cover plate.

[0018] Furthermore, a card slot is provided on one side of the compression device, and the pop-up pressure plate can be slidably installed in the card slot; a cylindrical hole for installing a spring is provided on one side of the card slot, and an end of the cylindrical hole close to the support rod is higher than an end of the cylindrical hole close to the pop-up pressure plate.

[0019] Furthermore, a groove for installing a spring is provided on one side of the pop-up pressure sheet, one end of the spring abuts against the groove, and the other end abuts against the bottom end of the support rod.

[0020] Further, the compression device comprises:

[0021] A first surface layer, wherein the pop-up pressing sheet is disposed in a side wall of the first surface layer;

[0022] A second surface layer, disposed on the lower side of the first surface layer;

[0023] The first surface layer and the second surface layer are tightly bonded and fixed; the second surface layer is made of elastic and flexible material.

[0024] Furthermore, a plurality of side holes are arranged on the side wall of the first surface layer; a first central hole is arranged in the first surface layer, and the connecting end is fixedly arranged on the upper side of the first central hole; each of the side holes is connected to the first central hole.

[0025] Furthermore, a second center hole is arranged in the second surface layer, the second center hole is fixedly arranged on the lower side of the first center hole and is connected with the first center hole; a plurality of suction holes are arranged at the bottom of the second surface layer, and each of the suction holes is connected with the second center hole.

[0026] Furthermore, the inner diameter of the second center hole is smaller than the inner diameter of the first center hole.

[0027] Furthermore, the second surface layer is an inflatable bag sheet, and one side of the second surface layer is provided with an inflation hole.

[0028] Furthermore, the compression device and the pop-up pressing sheet are both made of transparent silicone material.

[0029] The present invention provides a VATS compression hemostat, which has the following beneficial effects:

[0030] 1. The VATS compression hemostat provided by the present invention is mainly used for vascular injury during VATS. It does not require thoracotomy and is placed in the chest cavity through the original minimally invasive incision to quickly compress bleeding, accurately find the bleeding site, and promptly treat damaged blood vessels and tissues, avoiding extension of the surgical incision and protecting the patient from greater trauma.

[0031] When vascular injury occurs during VATS, the VATS compression device is immediately placed into the bleeding site in the chest cavity. The top of the hollow support rod is connected to the suction device, and the bottom end is connected to the connection end of the compression device, which is also connected to several drainage channels. The accumulated blood around the vascular injury in the chest cavity is sucked out through the several drainage channels extending from the side walls and bottom of the compression device, thereby exposing the field of view of the bleeding site and facilitating the determination of the bleeding site.

[0032] The bottom of the compression device can better fit the compression tissue and adjust the direction to limit bleeding according to the structure of the bleeding site. The suction device is used to suck out the accumulated blood to fully expose the bleeding site. After the vascular injury is determined, the length of the pop-up compression tablet is controlled by the pop-up compression tablet controller to compress the vascular injury. Since the pop-up compression tablet is relatively narrow, with a width of about 0.5 cm, it is convenient to suture from one side of the pop-up compression tablet to the other side; due to the high transparency of the VATS compression device, it is convenient to expose the surgical field; while suturing, the VATS compression device and the pop-up compression tablet are withdrawn until the vascular wound is completely sutured, thereby avoiding the risk of hemorrhagic shock and improving the efficiency of treating vascular injuries during VATS. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1A schematic structural diagram of a VATS compression hemostat according to a preferred embodiment of the present invention.

[0034] Figure 2 for Figure 1 Cross-sectional view of the compression device.

[0035] Figure 3 for Figure 1 Schematic diagram of the structure of the compression device from the first perspective.

[0036] Figure 4 for Figure 1 Schematic diagram of the structure of the compression device from a second perspective.

[0037] Figure 5 A schematic structural diagram of a pop-up press sheet according to a preferred embodiment of the present invention.

[0038] Figure 6 A schematic diagram of the connection structure between a pop-up pressing piece and a support rod according to a preferred embodiment of the present invention.

[0039] Figure 7 A schematic structural diagram of a strip-shaped hole according to a preferred embodiment of the present invention.

[0040] Reference numerals:

[0041] 1. Compression device; 11. First surface layer; 111. Connection end; 112. Slot; 113. Columnar hole; 114. Side hole; 115. First center hole; 12. Second surface layer; 121. First center hole; 122. Suction hole; 2. Support rod; 3. Pop-up pressure sheet; 31. Groove; 4. Controller; 5. Spring; 6. Pull wire; 7. Arc cover; 71. Strip hole; 72. Limiting slot; 73. Pulley. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0043] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0044] See also Figure 1 , is a schematic diagram of the structure of a VATS compression hemostat in one embodiment. The VATS compression hemostat comprises a compression device 1, a hollow support rod 2, a pop-up compression sheet 3 and a controller 4. The compression device 1 and the pop-up compression sheet 3 are both made of transparent silicone material.

[0045] Among them, the compression device 1 is mainly used to compress the bleeding site, and cooperate with the support rod to draw out the accumulated blood in the bleeding site, so as to expose the bleeding site and facilitate suturing. A hollow connecting end 111 is provided on the top of the compression device 1, and the connecting end 111 has a plurality of drainage channels extending toward the side wall and the bottom of the compression device 1. Specifically, the compression device includes a first surface layer 11 and a second surface layer 12. The second surface layer is arranged on the lower side of the first surface layer; and the first surface layer and the second surface layer are tightly bonded and fixed; the second surface layer is made of elastic and flexible material, so as to fit the compressed tissue and adjust the orientation to limit bleeding.

[0046] Please also read Figures 1 to 3 The first surface layer 11 is a highly transparent rectangular silicone material sheet on the upper layer, wherein a plurality of side holes 114 are provided on the three side walls of the first surface layer 11; a first center hole 115 is provided at the center position of the first surface layer 11, and the connection end 111 is fixedly arranged on the upper side of the first center hole 115; each side hole 114 is connected to the first center hole 115.

[0047] For example, the size of the first surface layer is 3 cm long, 2 cm wide, and 0.5 cm high. Three side holes are provided on both long side walls of the first surface layer 11, one side hole is provided on one short side wall, and seven drainage channels are extended from the first central hole 115 toward the seven side holes 114 to facilitate the extraction of blood accumulation in the bleeding part of the chest cavity. The diameter of the first central hole is 0.5 cm, and the diameter of the side hole is 0.3 cm.

[0048] On the upper side of the first central hole 115 , a hollow cylinder with an inner diameter of 0.5 cm and an outer diameter of 0.8 cm and an external thread protrudes upward, which is the connecting end 111 of the first surface layer and is convenient for connecting with the support rod 2 .

[0049] The second surface layer 12 is a highly transparent rectangular inflatable bag sheet-shaped silicone material sheet, that is, an inflatable bag sheet. A second center hole 121 is provided at the center of the second surface layer 12. The second center hole 121 is fixedly arranged at the lower side of the first center hole 115 and communicated with the first center hole 115. A plurality of suction holes 122 are provided at the bottom of the second surface layer 12. Each suction hole 122 is communicated with the second center hole 121.

[0050] For example, the size of the second surface layer is 3cm long, 2cm wide and 0.3cm high. Three suction holes are arranged at the bottom of the second surface layer, and the second center hole 121 extends three drainage channels toward the three suction holes 122, so as to conveniently extract the blood accumulation at the bottom of the thoracic bleeding site, so as to expose the bleeding site. The second center hole is concentric with the first center hole and is tightly connected. The 7 drainage channels of the first surface layer and the 3 drainage channels of the second surface layer together constitute a bifurcated drainage system, and are connected with the center hole of the support rod, so as to facilitate the extraction of the blood accumulation at the bleeding site by suction through the aspirator. Among them, the diameter of the suction hole is 0.2cm, the diameter of the second center hole is 0.2cm, the first center hole and the second center hole are concentric, extending upward from the second center hole to the first center hole, and then extending from the first center hole to the connecting end until it is connected with the support rod, so as to facilitate the extraction of the blood accumulation at the bleeding site by the aspirator on the other end of the support rod.

[0051] Specifically, the second surface layer 12 is an inflatable bladder sheet, and an inflation hole is provided on one side of the second surface layer 12 to facilitate adjustment of the filling degree of the inflatable bladder sheet.

[0052] Please refer again Figure 2 The inner diameter of the second central hole 121 is smaller than the inner diameter of the first central hole 115. That is, the second central hole is a small hole, and the first central hole is a large hole, and the blood sucked from the bottom and the side wall is gathered in the first central hole and discharged from the first central hole.

[0053] The pop-up pressing sheet 3 can be slidably disposed in a side wall of the pressing device 1. For example, a card slot 112 is disposed on one side of the pressing device 1, and the pop-up pressing sheet 3 can be slidably installed in the card slot 112. The card slot 112 is located in the other short side wall of the first surface layer, and the pop-up pressing sheet 3 can slide along the card slot 112.

[0054] Please also read Figure 4 and Figure 5 The concave slot of the card slot has a size of 0.75 cm in length and 0.5 cm in width. The convex pop-up pressing sheet 3 is installed in the card slot 112, and the length of the pop-up pressing sheet 3 extending out of the card slot 112 is adjusted to fit the compressed tissue, and the orientation is adjusted to limit bleeding. Here, the function of the pop-up pressing sheet is to compress the tissue at the bleeding site to facilitate suturing the wound. For example, the pop-up pressing sheet is made of highly transparent and hard silicone material, and its size is 0.75 cm in length, 0.5 cm in width, 0.5 cm in total height, 0.3 cm in height on both sides, and 0.1 cm in width of the protruding part. As a result, the pop-up pressing sheet can move along the card slot, which improves its stability in movement and avoids separation from the first surface layer during movement.

[0055] Please also read Figure 5 and Figure 6A spring 5 is abutted on one side of the pop-up pressing piece 3, and a pull wire 6 is connected to the pop-up pressing piece 3. The pull wire 6 passes through the spring 5 and is connected to the controller 4. A groove 31 for installing the spring 5 is provided on one side of the pop-up pressing piece 3, one end of the spring 5 abuts in the groove 31, and the other end abuts on the bottom end of the support rod 2.

[0056] In this embodiment, the groove 31 on the side of the pop-up pressing piece 3 close to the spring is a circular concave with a diameter of 0.3 cm and a depth of 0.3 cm, so as to facilitate the placement of a spring with strong rigidity. One end of the spring is just placed in the groove, and the other end is abutted against the bottom end of the support rod and is in a compressed state, so that the pop-up pressing piece always maintains a thrust to move away from the support rod.

[0057] Specifically, a cylindrical hole 113 for installing the spring 5 is provided on one side of the card slot 112, and the end of the cylindrical hole 113 close to the support rod 2 is higher than the end of the cylindrical hole 113 close to the pop-up pressing piece 3. Since the pop-up is arranged in the cylindrical hole, there is still silicone on the upper side of the spring, which can prevent the spring from twisting, deforming and changing the direction of force. The diameter of the cylindrical hole is 0.3 cm. In order to facilitate the adjustment of the pull wire, the cylindrical hole is slightly tilted with the outside lower and the inside higher, and the spring is slightly higher because the end close to the support rod is slightly higher. When pushing the pop-up pressing piece, it will generate a slightly downward force on the pop-up pressing piece, which is convenient for compressing the tissue. Here, the pull wire is a white high-strength milk friction pull wire to avoid interfering with the surgical field of view. The pull wire passes through the center of the spring and is fixed to the pop-up pressing piece controller through a pulley, which is convenient for controlling the pop-up length of the pop-up pressing piece.

[0058] Please also read Figure 6 and Figure 7 One end of the hollow support rod 2 is screwed to the connection end 111, and the other end is connected to the suction device; in this embodiment, the support rod is a hollow titanium alloy tube with an inner diameter of 0.8 cm, an outer diameter of 1 cm, and a length of 40 cm. The outer side of the connection end is provided with an external thread, and the inner side of the support rod is provided with an internal thread. The threaded connection method facilitates the disassembly and installation of the compression device, and the connection sealing must be good.

[0059] The controller 4 is disposed on the side wall of the support rod 2 away from the compression device 1, and is used to control the ejection length of the pop-up pressing piece 3. In this embodiment, the controller is T-shaped and connected to the pull wire. By moving the controller, the pop-up pressing piece is pulled by the pull wire to move inward or outward.

[0060] The arc-shaped cover plate 7 is arranged on the outer wall of the support rod 2, and the arc-shaped cover plate 7 and the outer wall of the support rod 2 are combined to form a cavity through which the pull wire 6 passes; a strip hole 71 is arranged at one end of the arc-shaped cover plate 7 away from the compression device 1, and a plurality of limit slots 72 are arranged on one side wall of the strip hole 71, and the controller 4 is arranged in the strip hole 71, and its shape is adapted to the plurality of limit slots 72. For example, the arc-shaped cover plate is in an arc shape of 120 degrees on the support rod, and is bonded and fixed to the outer wall of the support rod to facilitate the protection of the pull wire, and on the other hand, a plurality of notches for limiting the installation of the pop-up tablet controller can be arranged at one end of the arc-shaped cover plate close to the suction device.

[0061] In this embodiment, a long strip hole is provided at the distal end of the support rod, that is, the end close to the support rod, to facilitate the movement of the controller, and three limit slots, that is, the notch, are provided on one side of the long strip hole. The pop-up pressing piece is moved from the notch at the distal end of the cover plate to the notch at the proximal end by the pop-up pressing piece controller, that is, gradually moves toward the direction of the compression device 1, and the pop-up pressing piece is pushed out by the thrust of the spring, so that the pop-up pressing piece presses the bleeding hole, which is convenient for suturing the wound.

[0062] The lower end of the arc cover plate 7 is provided with a pulley 73, which is rotatably connected to the arc cover plate 7. The pulley is installed to avoid friction loss between the pull wire and the arc cover plate and the columnar hole, and also to facilitate the pull wire movement through the controller and reduce the force of the controller when pulling.

[0063] When vascular injury occurs during VATS, the VATS compression device is immediately placed into the bleeding site in the chest cavity. The top of the hollow support rod is connected to the suction device, and the bottom end is connected to the connection end of the compression device, which is also connected to several drainage channels. The accumulated blood around the vascular injury in the chest cavity is sucked out through the several drainage channels extending from the side walls and bottom of the compression device, thereby exposing the field of view of the bleeding site and facilitating the determination of the bleeding site.

[0064] The bottom of the compression device can better fit the compression tissue and adjust the direction to limit bleeding according to the structure of the bleeding site. The suction device is used to suck out the accumulated blood to fully expose the bleeding site. After the vascular injury is determined, the length of the pop-up compression tablet is controlled by the pop-up compression tablet controller to compress the vascular injury. Since the pop-up compression tablet is relatively narrow, with a width of about 0.5 cm, it is convenient to suture from one side of the pop-up compression tablet to the other side; due to the high transparency of the VATS compression device, it is convenient to expose the surgical field; while suturing, the VATS compression device and the pop-up compression tablet are withdrawn until the vascular wound is completely sutured, thereby avoiding the risk of hemorrhagic shock and improving the efficiency of treating vascular injuries during VATS.

[0065] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A VATS compression hemostat, characterized in that: include: A compression device (1) having a hollow connecting end (111) at the top thereof, wherein the connecting end (111) has a plurality of drainage channels extending toward the side wall and the bottom of the compression device (1); A hollow support rod (2), one end of which is threadedly connected to the connecting end (111), and the other end of which is connected to a suction device; A pop-up pressing sheet (3) slidably disposed in a side wall of the pressing device (1); and A controller (4), arranged on a side wall of the support rod (2) at one end away from the pressing device (1), and used for controlling the ejection length of the ejection type pressing sheet (3); A spring (5) is abutted against one side of the pop-up pressing piece (3), a pull wire (6) is connected to the pop-up pressing piece (3), and the pull wire (6) passes through the spring (5) and is connected to the controller (4); An arc-shaped cover plate (7) is arranged on the side wall of the support rod (2), and the arc-shaped cover plate (7) and the outer wall of the support rod (2) are combined to form a cavity through which the pull wire (6) passes, and a strip hole (71) is arranged at one end of the arc-shaped cover plate (7) away from the compression device (1), and a plurality of limit slots (72) are arranged on one side wall of the strip hole (71), and the controller (4) is arranged in the strip hole (71), and its shape is adapted to the plurality of limit slots (72); A card slot (112) is provided on one side of the compression device (1), and the pop-up pressure plate (3) can be slidably installed in the card slot (112); a columnar hole (113) for installing a spring (5) is provided on one side of the card slot (112), and an end of the columnar hole (113) close to the support rod (2) is higher than an end of the columnar hole (113) close to the pop-up pressure plate (3).

2. The VATS compression hemostat according to claim 1, characterized in that: A groove (31) for installing a spring (5) is provided on one side of the pop-up pressing sheet (3); one end of the spring (5) abuts against the groove (31), and the other end abuts against the bottom end of the support rod (2).

3. The VATS compression hemostat according to claim 1, characterized in that: The compression device (1) comprises: A first surface layer (11), wherein the pop-up pressing sheet is arranged in a side wall of the first surface layer; A second surface layer (12) is arranged on the lower side of the first surface layer; The first surface layer and the second surface layer are tightly bonded and fixed; the second surface layer is made of elastic and flexible material.

4. The VATS compression hemostat according to claim 3, characterized in that: A plurality of side holes (114) are arranged on the side wall of the first surface layer (11); a first central hole (115) is arranged in the first surface layer (11); the connecting end (111) is fixedly arranged on the upper side of the first central hole (115); and each of the side holes (114) is connected to the first central hole (115).

5. The VATS compression hemostat according to claim 4, characterized in that: A second center hole (121) is arranged in the second surface layer (12), and the second center hole (121) is fixedly arranged on the lower side of the first center hole (115) and is communicated with the first center hole (115); a plurality of suction holes (122) are arranged at the bottom of the second surface layer (12), and each of the suction holes (122) is communicated with the second center hole (121).

6. The VATS compression hemostat according to claim 5, characterized in that: The inner diameter of the second center hole (121) is smaller than the inner diameter of the first center hole (115).

7. The VATS compression hemostat according to claim 3, characterized in that: The second surface layer (12) is an inflatable bag sheet, and one side of the second surface layer (12) is provided with an inflation hole.

8. The VATS compression hemostat according to claim 1, characterized in that: The compression device (1) and the pop-up pressing sheet (3) are both made of transparent silicone material.

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