Integrated femoral artery sheath and intelligent pressure monitoring system

Abstract

The application relates to the technical field of femoral artery sheath tubes, and discloses an integrated femoral artery sheath tube and an intelligent pressure monitoring system, which comprises a sheath tube main body and a sheath tube seat sleeved to the end of the sheath tube main body; a connecting pipe is arranged on the side surface of the sheath tube seat; a three-way valve is arranged at the other end of the connecting pipe; an adjusting assembly is further arranged on the sheath tube seat; and the adjusting assembly is used for adjusting the bending angle of the sheath tube main body. The integrated femoral artery sheath tube can control the bending direction and degree of the sheath tube main body by rotating a knob, driving a winding wheel to wind or release a metal wire, and utilizing the traction of the metal wire in the fixing cavities with different depths on different parts of the sheath tube main body, so that the sheath tube main body can conform to the vascular anatomical path of a patient, and the mechanical stimulation to the vascular wall and the potential damage risk are reduced; meanwhile, the meshing of the first tooth and the second tooth between the knob and the fixing plate can realize angle locking, so that the sheath tube main body can keep the adjusted angle during the operation process, and the angle deviation caused by accidental touching or operation vibration can be avoided.

Description

Technical Field

[0001] This invention relates to the field of femoral artery sheath technology, specifically to an integrated femoral artery sheath and an intelligent pressure monitoring system. Background Technology

[0002] The femoral artery is a major artery of the lower limb, continuing from the external iliac artery. It enters the femoral triangle deep to the midpoint of the inguinal ligament. Within the femoral triangle, the femoral artery initially lies lateral to the femoral vein, gradually crossing anterior to it, descending into the adductor canal, and then passing through the adductor hiatus to the popliteal fossa, where it is then called the popliteal artery. The femoral artery is superficial at the midpoint of the groin, where its pulsation can be felt, making it one of the most commonly chosen puncture sites for endovascular interventional procedures.

[0003] An existing patent (publication number: CN223404245U) discloses a femoral artery sheath with a fixing patch, which solves the technical problem that the existing two-person cooperative control of the femoral artery sheath is time-consuming and laborious, prolonging the operation time. It includes a sheath body, a hemostatic sheath seat, a three-way valve, and a flexible fixing patch. The flexible fixing patch has a rigid irregular groove fixedly connected to the middle part. The rigid irregular groove is adapted to the hemostatic sheath seat and the end of the sheath body and the end of the connecting tube connected to the hemostatic sheath seat. The flexible fixing patch is provided with a notch. After the hemostatic sheath seat is engaged with the rigid irregular groove, the end of the hemostatic sheath seat corresponds to the position of the notch. The lower surface of the flexible fixing patch is provided with an adhesive layer for adhering to the skin.

[0004] Although this application can ensure that the femoral artery sheath remains fixed in position during the operation, avoids accidental dislodgement of the femoral artery sheath from the blood vessel, ensures the smooth access of necessary neurointerventional surgery via the femoral artery, and reduces the waste of human resources in clinical work, this application cannot adjust the bending angle of the sheath according to the vascular path. It still relies on the surgeon's feel and the cooperation of multiple catheters to establish the access, which has problems such as complicated operation, high risk of vascular injury, and insufficient support. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an integrated femoral artery sheath and an intelligent pressure monitoring system, which solves the problems of existing technologies where the femoral artery sheath cannot adjust its bending angle according to the vascular path, resulting in complex operation, high risk of vascular injury, and insufficient support.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an integrated femoral artery sheath, comprising a sheath body and a sheath seat sleeved to the end of the sheath body, wherein a connecting tube is installed on the side of the sheath seat, a three-way valve is installed at the other end of the connecting tube, and an adjustment component is also installed on the sheath seat, the adjustment component being used to adjust the bending angle of the sheath body.

[0007] The sheath seat has a connecting part fixed on its side, the sheath body is inserted inside the connecting part, the sheath body has a fixing cavity inside, the adjusting component includes a metal wire fixed to the inner wall of the fixing cavity, the connecting part has a through groove inside, and the other end of the metal wire passes through the through groove.

[0008] Furthermore, the adjustment assembly also includes a fixing plate fixed to the side of the sheath seat, a rotating rod rotatably connected to the side of the fixing plate, a winding wheel fixed to the surface of the rotating rod, the other end of the metal wire fixed to the surface of the winding wheel, and a matching knob provided at the other end of the rotating rod.

[0009] Furthermore, the knob has a telescopic groove on its side that corresponds to the diameter of the rotating rod. A spring is fixed to the end face of the rotating rod, and the other end of the spring is fixed to the inner wall of the telescopic groove. A limit block is also fixed to the side of the rotating rod. A limit groove corresponding to the limit block is opened on the inner wall of the telescopic groove. The limit block passes through the limit groove. The rotating rod rotates synchronously with the knob through the spring, the limit block, and the limit groove.

[0010] Furthermore, a fixing groove is provided on the side of the fixing plate, a first tooth is fixed on the side of the knob, and a second tooth corresponding to the first tooth is fixed on the inner wall of the fixing groove. The first tooth and the second tooth mesh with each other, and the knob is fixed inside the fixing groove by the first tooth and the second tooth.

[0011] Furthermore, there are multiple fixing cavities, and the depth of each fixing cavity is different, with the metal wire correspondingly disposed in fixing cavities of different depths.

[0012] Furthermore, it also includes an anti-slip fixing wing fixed to the side of the sheath seat. The anti-slip fixing wing is used to fix the sheath seat. The anti-slip fixing wing is made of medical silicone material. The sheath body is made of medical polymer material. The metal wire is nickel-titanium alloy wire. The outer surface of the sheath body is coated with a hydrophilic coating. The inner wall of the sheath body is coated with a heparin sodium coating.

[0013] In this invention, an intelligent pressure monitoring system includes a miniature pressure sensor, a signal processing module, a portable display terminal, and an early warning module. The miniature pressure sensor is embedded and fixed in the inner wall of the sheath body 1. The signal output end of the miniature pressure sensor is electrically connected to the signal processing module through a medical shielded cable. The signal processing module is fixedly installed inside the sheath seat 2. The output end of the signal processing module is communicatively connected to the portable display terminal. The early warning module is electrically connected to the portable display terminal.

[0014] In this invention, there are three miniature pressure sensors, which are evenly distributed at 120° along the inner wall of the sheath body 1. A displacement sensing patch is embedded and fixed on the lower surface of the anti-slip fixing wing 6. The signal output end of the displacement sensing patch is electrically connected to the signal processing module. The detection surface of the displacement sensing patch is flush with the skin-contacting surface of the anti-slip fixing wing 6.

[0015] In this invention, the portable display terminal includes a housing, a main control chip, and a display screen. The main control chip is fixedly installed inside the housing, and the display screen is embedded and fixed on the front of the housing. The front of the housing is also fixedly provided with a Bluetooth connection status indicator, a graded warning indicator, and a one-button call button. The side of the housing is provided with a Type-C charging port and a signal connection port. The tail end of the sheath seat 2 is fixedly provided with a signal output connector. The signal output connector is electrically connected to the output end of the signal processing module. The signal connection port is connected to the signal output connector through a medical shielded cable.

[0016] In this invention, the early warning module includes an audible and visual alarm and a wireless communication unit. The audible and visual alarm is fixedly integrated inside the housing of the portable display terminal. The wireless communication unit is electrically connected to the main control chip. The wireless communication unit communicates bidirectionally with the nurse station monitoring system and the mobile APP via Bluetooth 5.0 protocol. A storage chip is also fixedly installed inside the housing of the portable display terminal. The storage chip is electrically connected to the main control chip.

[0017] Compared with the prior art, the technical solution of the present invention has the following beneficial effects:

[0018] This integrated femoral artery sheath, by rotating a knob, drives a winding wheel to wind or release the metal wire. By using the metal wire in the fixed cavity at different depths to traction different parts of the sheath body, the bending direction and degree of the sheath body can be controlled, making it conform to the patient's vascular anatomy path, reducing mechanical stimulation and potential damage risk to the blood vessel wall. At the same time, the knob and the fixing plate achieve angle locking through the engagement of the first and second teeth, so that the sheath body can maintain the adjusted angle during the operation, avoiding angle deviation caused by accidental touch or operational vibration. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the entire application;

[0020] Figure 2 This is a front sectional view of the structure of this application;

[0021] Figure 3 For this application Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4For this application Figure 2 Enlarged view of point B in the middle;

[0023] Figure 5 This is a detailed structural diagram of the adjusted components in this application;

[0024] Figure 6 This is a schematic block diagram of the integrated femoral artery sheath intelligent pressure monitoring system of this application.

[0025] Figure 7 This is a detailed structural diagram of the pressure measuring device in this application.

[0026] In the picture:

[0027] 1. Sheath body; 101. Fixing cavity; 2. Sheath seat; 201. Connecting part; 202. Through groove; 3. Connecting pipe; 4. Three-way valve;

[0028] 5. Adjustment components; 501. Fixing plate; 502. Winding wheel; 503. Rotating rod; 504. Knob; 505. Spring; 506. Limiting block; 507. Telescopic groove; 508. First tooth; 509. Fixing groove; 510. Metal wire;

[0029] 6. Anti-slip fixed wings;

[0030] 7. Pressure measuring instrument; 701. Warning light; 702. Add / subtract buttons; 703. Switch button; 704. Display screen; 705. Wiring hole; 706. Charging hole; 707. Elastic retaining strap. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] Please see Figure 1-7 The integrated femoral artery sheath in this embodiment includes a sheath body 1 and a sheath seat 2 sleeved to the end of the sheath body 1. A connecting tube 3 is installed on the side of the sheath seat 2, and a three-way valve 4 is installed at the other end of the connecting tube 3. An adjustment component 5 is also installed on the sheath seat 2, which is used to adjust the bending angle of the sheath body 1.

[0033] Please see Figure 2 , Figure 3 and Figure 4The sheath seat 2 has a connecting part 201 fixed on its side. The sheath body 1 passes through the connecting part 201. The sheath body 1 has a fixed cavity 101 inside. The adjustment component 5 includes a metal wire 510 fixed to the inner wall of the fixed cavity 101. The connecting part 201 has a through groove 202 inside. The other end of the metal wire 510 passes through the through groove 202. When it is necessary to adjust the bending angle of the sheath body 1 to adapt to the vascular anatomy or surgical operation requirements of different patients, by applying tension to the part of the metal wire 510 outside the sheath seat 2 or performing a retraction operation, the metal wire 510 can be moved to produce a corresponding displacement in the fixed cavity 101, thereby pulling the corresponding part of the sheath body 1 to bend, so that it can conform to the vascular path and reduce the stimulation and damage to the vascular wall. There are multiple fixed cavities 101, and the depth of each fixed cavity 101 is different. The metal wire 510 is set in the fixed cavity 101 at different depths.

[0034] Please see Figure 2 and Figure 5 The adjustment assembly 5 also includes a fixing plate 501 fixed to the side of the sheath seat 2. A rotating rod 503 is rotatably connected to the side of the fixing plate 501. A winding wheel 502 is fixed to the surface of the rotating rod 503. The other end of the metal wire 510 is fixed to the surface of the winding wheel 502. A matching knob 504 is provided at the other end of the rotating rod 503. Rotating the knob 504 drives the rotating rod 503 and the winding wheel 502 to rotate synchronously. The winding wheel 502 winds or releases the metal wire 510. When the metal wire 510 is wound, the length of the metal wire 510 in the fixing cavity 101 is shortened, generating a pulling force on the corresponding position of the sheath body 1, causing the sheath body 1 to bend towards the side where the metal wire 510 is located, thereby adjusting the bending angle of the sheath body 1.

[0035] Please see Figure 1 , Figure 2 and Figure 5The knob 504 has a telescopic groove 507 on its side that corresponds to the diameter of the rotating rod 503. A spring 505 is fixed to the end face of the rotating rod 503, and the other end of the spring 505 is fixed to the inner wall of the telescopic groove 507. A limit block 506 is also fixed to the side of the rotating rod 503. A limit groove corresponding to the limit block 506 is opened on the inner wall of the telescopic groove 507. The limit block 506 passes through the limit groove. The rotating rod 503 rotates synchronously with the knob 504 through the spring 505, the limit block 506, and the limit groove. A fixing groove 509 is opened on the side of the fixing plate 501. The knob 504 is fixed to the side of the fixing plate 501. The device has a first tooth 508 and a second tooth corresponding to the first tooth 508 fixed on the inner wall of the fixing groove 509. The first tooth 508 and the second tooth mesh with each other. The knob 504 is fixed inside the fixing groove 509 by the first tooth 508 and the second tooth. After adjustment, the spring 505 can drive the knob 504 to move towards the fixing plate 501, so that the first tooth 508 meshes with the second tooth, and fixes the knob 504 in the current position, thereby keeping the bending angle of the sheath body 1 stable and avoiding angle deviation due to external force or operation vibration during the operation.

[0036] Please see Figure 5 It also includes an anti-slip fixing wing 6 fixed to the side of the sheath seat 2. The anti-slip fixing wing 6 is used to fix the sheath seat 2. The anti-slip fixing wing 6 is made of medical silicone material. The sheath body 1 is made of medical polymer material. The metal wire 510 is a nickel-titanium alloy wire. The outer surface of the sheath body 1 is coated with a hydrophilic coating. The inner wall of the sheath body 1 is coated with a heparin sodium coating. The anti-slip fixing wing 6 can increase the friction between the sheath seat 2 and the patient's skin, effectively preventing the sheath from sliding or shifting during the operation and ensuring the stability of the sheath position.

[0037] In this invention, an intelligent pressure monitoring system includes a miniature pressure sensor, a signal processing module, a portable display terminal, and an early warning module. The miniature pressure sensor is embedded and fixed in the inner wall of the sheath body 1. The signal output end of the miniature pressure sensor is electrically connected to the signal processing module through a medical shielded cable. The signal processing module is fixedly installed inside the sheath seat 2. The output end of the signal processing module is communicatively connected to the portable display terminal. The early warning module is electrically connected to the portable display terminal.

[0038] In this invention, there are three miniature pressure sensors, which are evenly distributed at 120° along the inner wall of the sheath body 1. A displacement sensing patch is embedded and fixed on the lower surface of the anti-slip fixing wing 6. The signal output end of the displacement sensing patch is electrically connected to the signal processing module. The detection surface of the displacement sensing patch is flush with the skin-contacting surface of the anti-slip fixing wing 6.

[0039] In this invention, the portable display terminal includes a housing, a main control chip, and a display screen. The main control chip is fixedly installed inside the housing, and the display screen is embedded and fixed on the front of the housing. The front of the housing is also fixedly provided with a Bluetooth connection status indicator, a graded warning indicator, and a one-button call button. The side of the housing is provided with a Type-C charging port and a signal connection port. The tail end of the sheath seat 2 is fixedly provided with a signal output connector. The signal output connector is electrically connected to the output end of the signal processing module. The signal connection port is connected to the signal output connector through a medical shielded cable.

[0040] In this invention, the early warning module includes an audible and visual alarm and a wireless communication unit. The audible and visual alarm is fixedly integrated inside the housing of the portable display terminal. The wireless communication unit is electrically connected to the main control chip. The wireless communication unit communicates bidirectionally with the nurse station monitoring system and the mobile APP via Bluetooth 5.0 protocol. A storage chip is also fixedly installed inside the housing of the portable display terminal. The storage chip is electrically connected to the main control chip.

[0041] In this invention, see Figure 7 It also includes a pressure measuring device 7 connected to the three-way valve 4. The pressure measuring device 7 includes a warning light 701, a plus / minus button 702, a switch button 703 and an elastic fixing band 707 mounted on its surface. The pressure measuring device 7 has a display screen 704 on its surface and a wiring hole 705 and a charging hole 706 on its side.

[0042] The working principle of the above embodiments is as follows:

[0043] First, the sheath body 1 is inserted through the femoral artery puncture point via the standard surgical procedure. At this point, the anti-slip fixing wings 6, made of medical-grade silicone, fit snugly against the patient's skin, preventing displacement of the sheath body 1 during insertion. Once the sheath body 1 is inside the blood vessel, if the vessel has a tortuous course or unusual branch angles, the medical staff pulls the knob 504, causing the first tooth 508 fixed to the circumference of the knob 504 to move away from the fixing groove 509, thus separating the first tooth 508 from the second tooth. Then, the knob 504 is rotated. The knob 504, through the limiting block 506 in the telescopic groove 507, engages with the limiting groove on the side of the rotating rod 503, causing the rotating rod 503 and the winding wheel 502 fixed to its surface to rotate synchronously, thereby winding or releasing the metal wire 510. Since the other end of the metal wire 510 passes through the through groove 202 of the connecting part 201 and is fixed in the fixing cavities 101 at different depths inside the sheath body 1, when the winding wheel 502 winds up the metal wire 510, the metal wire 510 at the corresponding depth will exert a pulling force on the sheath body 1, causing the sheath body 1 to bend towards the side where the metal wire 510 is located; when the winding wheel 502 releases the metal wire 510, the sheath body 1 gradually returns to its original shape under the elasticity of its own material. By controlling the winding length of the metal wire 510 in different fixing cavities 101, the bending angle of the sheath body 1 can be adjusted to adapt to the differences in vascular pathways of different patients.

[0044] After adjustment, the medical staff loosens the knob 504. Under the elastic action of the spring 505, the knob 504 moves towards the fixing plate 501, so that the first tooth 508 re-engages with the second tooth on the inner wall of the fixing groove 509, thereby fixing the position of the knob 504 and the rotating rod 503, ensuring that the sheath body 1 maintains a stable bending angle during the operation.

[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0046] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An integrated femoral artery sheath, comprising a sheath body (1) and a sheath seat (2) sleeved to the end of the sheath body (1), characterized in that: A connecting pipe (3) is installed on the side of the sheath seat (2), and a three-way valve (4) is installed at the other end of the connecting pipe (3). An adjustment component (5) is also installed on the sheath seat (2), and the adjustment component (5) is used to adjust the bending angle of the sheath body (1). The sheath seat (2) has a connecting part (201) fixed on its side. The sheath body (1) passes through the connecting part (201). The sheath body (1) has a fixed cavity (101) inside. The adjusting component (5) includes a metal wire (510) fixed to the inner wall of the fixed cavity (101). The connecting part (201) has a through groove (202) inside. The other end of the metal wire (510) passes through the through groove (202).

2. The integrated femoral artery sheath according to claim 1, characterized in that: The adjustment assembly (5) also includes a fixing plate (501) fixed to the side of the sheath seat (2). A rotating rod (503) is rotatably connected to the side of the fixing plate (501). A winding wheel (502) is fixed on the surface of the rotating rod (503). The other end of the metal wire (510) is fixed on the surface of the winding wheel (502). A matching knob (504) is provided on the other end of the rotating rod (503).

3. The integrated femoral artery sheath according to claim 2, characterized in that: The knob (504) has a telescopic groove (507) on its side that corresponds to the diameter of the rotating rod (503). A spring (505) is fixed to the end face of the rotating rod (503). The other end of the spring (505) is fixed to the inner wall of the telescopic groove (507). A limit block (506) is also fixed to the side of the rotating rod (503). A limit groove corresponding to the limit block (506) is opened on the inner wall of the telescopic groove (507). The limit block (506) passes through the limit groove. The rotating rod (503) rotates synchronously with the knob (504) through the spring (505), the limit block (506) and the limit groove.

4. The integrated femoral artery sheath according to claim 2, characterized in that: The fixing plate (501) has a fixing groove (509) on its side. The knob (504) has a first tooth (508) fixed on its side. The inner wall of the fixing groove (509) has a second tooth corresponding to the first tooth (508). The first tooth (508) and the second tooth mesh with each other. The knob (504) is fixed inside the fixing groove (509) by the first tooth (508) and the second tooth.

5. The integrated femoral artery sheath according to claim 1, characterized in that: There are multiple fixing cavities (101), and the depth of each fixing cavity (101) is different. The metal wire (510) is correspondingly set in the fixing cavity (101) at different depths.

6. The integrated femoral artery sheath according to claim 1, characterized in that: It also includes an anti-slip fixing wing (6) fixed to the side of the sheath seat (2). The anti-slip fixing wing (6) is used to fix the sheath seat (2). The anti-slip fixing wing (6) is made of medical silicone material. The sheath body (1) is made of medical polymer material. The metal wire (510) is nickel-titanium alloy wire. The outer surface of the sheath body (1) is coated with a hydrophilic coating. The inner wall of the sheath body (1) is coated with a heparin sodium coating.

7. An intelligent pressure monitoring system, applied to the integrated femoral artery sheath as described in any one of claims 1 to 6, characterized in that, It includes a miniature pressure sensor, a signal processing module, a portable display terminal, and an early warning module; the miniature pressure sensor is embedded and fixed in the inner wall of the sheath body (1), the signal output end of the miniature pressure sensor is electrically connected to the signal processing module through a medical shielded cable, the signal processing module is fixedly installed inside the sheath seat (2), the output end of the signal processing module is communicatively connected to the portable display terminal, and the early warning module is electrically connected to the portable display terminal.

8. The intelligent pressure monitoring system according to claim 7, characterized in that, The number of miniature pressure sensors is three, and the three miniature pressure sensors are evenly distributed at 120° along the inner wall of the sheath body (1). A displacement sensing patch is embedded and fixed on the lower surface of the anti-slip fixing wing (6). The signal output end of the displacement sensing patch is electrically connected to the signal processing module. The detection surface of the displacement sensing patch is flush with the skin contact surface of the anti-slip fixing wing (6).

9. The intelligent pressure monitoring system according to claim 7, characterized in that, The portable display terminal includes a housing, a main control chip, and a display screen. The main control chip is fixedly installed inside the housing, and the display screen is embedded and fixed on the front of the housing. The front of the housing is also fixedly provided with a Bluetooth connection status indicator, a graded warning indicator, and a one-button call button. The side of the housing is provided with a Type-C charging interface and a signal connection interface. The tail end of the sheath seat (2) is fixedly provided with a signal output connector. The signal output connector is electrically connected to the output end of the signal processing module. The signal connection interface is connected to the signal output connector through a medical shielded cable.

10. The early warning module includes an audible and visual alarm and a wireless communication unit. The audible and visual alarm is fixedly integrated inside the housing of the portable display terminal. The wireless communication unit is electrically connected to the main control chip. The wireless communication unit communicates bidirectionally with the nurse station monitoring system and the mobile APP via Bluetooth 5.0 protocol. A storage chip is also fixedly installed inside the housing of the portable display terminal. The storage chip is electrically connected to the main control chip.

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