A minimally invasive treatment device for gouty tophi on limbs

By designing a minimally invasive treatment device for gouty tophi on the limbs, and utilizing water spraying and drug injection, a highly efficient and minimally invasive treatment for gouty tophi has been achieved. This solves the problems of large trauma and long recovery time in gouty tophi treatment in primary hospitals, and is suitable for promotion in primary hospitals.

CN120131136BActive Publication Date: 2025-10-24DONGGUAN DAOSHENG HOSPITAL
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Patent Information

Application Number
CN202510553406.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2025-10-24
Estimated Expiration
2045-04-29

AI Technical Summary

Technical Problem

Existing technologies for treating gouty tophi on the limbs are characterized by large trauma, long recovery time, low efficiency, and complex equipment, making them difficult to promote in primary hospitals.

Method used

A minimally invasive treatment device for gouty tophi on the limbs was designed. Through the operation rod and the operation head, combined with the functions of water spraying and drug injection, micro-incision is achieved. Ultrasound guidance is used for precise positioning to weaken the adhesion between gouty tophi and surrounding tissues. Combined with the integrated traditional Chinese and Western medicine approach, the recurrence rate is reduced.

Benefits of technology

It achieves minimally invasive, rapid recovery, and highly efficient treatment of tophi, making it suitable for application in primary hospitals and reducing the technical threshold and risk of postoperative complications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses the technical field of surgical instruments, and particularly discloses a minimally invasive treatment device for gout tophi on the surface of limbs, which comprises an operating rod and a maintenance treatment assembly.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surgical instruments, in particular to a four-limb surface gout stone patient minimally invasive treatment device. BACKGROUND

[0002] Gout is a metabolic arthritis caused by urate crystal deposition, mainly affecting the joint parts of the limbs, and can form gout stones when severe, leading to joint deformation and dysfunction;

[0003] At present, the treatment methods for gout stones mainly include drug therapy, arthroscopic technology and water needle treatment technology, drug therapy is the basic treatment method for gout patients, and the effect of drug therapy on formed gout stones is limited, and long-term drug administration is required, and the patient compliance is poor, arthroscopic technology is a minimally invasive surgical method, which is widely used in the field of orthopedics, however, arthroscopic surgery requires special equipment and high technical threshold, the trauma of arthroscopic surgery is relatively large, the postoperative recovery time of patients is relatively long, and it is mainly suitable for deep joint lesions, and the treatment efficiency for four-limb surface gout stones is low, and it is not suitable for popularization in primary hospitals, and the incidence of postoperative complications is high, especially wound infection and joint stiffness, water needle treatment is a non-invasive physical treatment method, which impacts gout stones with high-pressure water flow to achieve decomposition and discharge, however, this method has the problems of low efficiency and long treatment cycle, in addition, water needle treatment requires special equipment support, therefore, it has important clinical significance to develop a high-efficiency and minimally invasive gout stone treatment device suitable for primary hospitals. SUMMARY

[0004] The purpose of the present application is to provide a four-limb surface gout stone patient minimally invasive treatment device to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a four-limb surface gout stone patient minimally invasive treatment device, comprising:

[0006] An operating rod, one side of the operating rod movably and sealingly connects an operating handle, one side of the operating rod is provided with an operating head, one side of the operating head is provided with an open spoon groove, a hollow channel is provided in the center of the operating rod, the operating head and one side of the operating rod are in communication, one side of the operating rod away from the operating head is provided with an adapter assembly, and the adapter assembly comprises a medical tee joint;

[0007] A maintenance and treatment assembly is arranged in the operating handle, and the maintenance and treatment assembly comprises a push rod.

[0008] Preferably, the length of the operating rod is 22cm, the opening width of the open spoon groove is 3mm, and the diameter of the hollow channel is 1.5mm.

[0009] The medical tee joint is preferably connected with an adapter hose at one end, and a connecting screw is arranged at the end of the operating rod away from the operating head, the adapter hose is connected with the connecting screw through a mating screw cap, and the adapter hose is connected with the hollow channel.

[0010] Preferably, the pressure of the sterile normal saline sent into the open spoon groove by the operating rod during normal use is 0.5-1.5 MPa, and the water flow rate is 50 ml / s.

[0011] Preferably, the length of the operating head away from the operating handle is less than the length of the operating handle itself, and the surface of the operating handle is provided with anti-skid lines.

[0012] Preferably, the operating rod is provided with an end reference block at the side close to the operating handle and connected with the connecting screw, and the end reference block is provided with an indication block at one side, which is arranged corresponding to the opening direction of the open spoon groove.

[0013] Preferably, the operating handle is sleeved with the operating rod, and the two ends of the operating rod are respectively provided with a first sealing ring and a second sealing ring, and the inner circumferential side of the first sealing ring and the second sealing ring is elastically sleeved with the outer surface of the operating rod.

[0014] Preferably, the operating rod is provided with a strip-shaped window at one side connected with the hollow channel, and the operating handle is provided with a shielding sealing piece at the side close to the strip-shaped window, the cross-sectional width of the shielding sealing piece is greater than that of the strip-shaped window, and the side of the shielding sealing piece is tightly combined with the operating rod.

[0015] Preferably, the operating handle is provided with a receiving groove at the side away from the shielding sealing piece, the outer side of the operating handle is provided with a spring groove close to the receiving groove, the spring groove is provided with a guide groove connected with the receiving groove, the guide groove is movably penetrated and connected with a synchronous guide block, the synchronous guide block is provided with a pushing rod and a pressing block in the receiving groove and the spring groove respectively, the length of the pressing block is equal to the length of the operating head away from the operating handle, the width of the pressing block is equal to the width of the strip-shaped window, and a plurality of reset springs are symmetrically arranged at one side of the pressing block in the spring groove.

[0016] Preferably, the operating handle is provided with an annular combined groove at the side close to the end reference block, two positioning clamping grooves are symmetrically arranged at two sides in the annular combined groove, and two elastic buckling plates are arranged in the annular combined groove at the side close to the operating handle of the end reference block, each of the two elastic buckling plates is provided with a positioning clamping block, and the two positioning clamping blocks are respectively inserted into the two positioning clamping grooves, and the four sides of the positioning clamping groove into which the positioning clamping blocks are inserted are all provided with inclined surfaces.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] The device is exquisite in design, only needs to cut open the skin micro-pore, has small trauma, and enables the patient to recover quickly after operation, and the recovery time is shorter, the water spraying and medicine injection functions can quickly weaken the adhesion between the tophi and the surrounding tissues, reduce the difficulty in operation, compared with the arthroscopic treatment and water needle treatment, the efficiency of the device is higher, the treatment time is shorter, and the damage to the surrounding tissues is smaller;

[0019] Combined with the integrative medicine scheme of primary hospitals, the gout recurrence rate is reduced, the treatment effect is improved, and the device is particularly suitable for popularization and application in primary hospitals, because the operation equipment is simple, the technical threshold is low, the treatment effect is remarkable, and the urgent needs of primary medical institutions for tophi treatment can be met. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the present application;

[0021] Figure 2 It is a schematic view of A part of the present application; Figure 1

[0022] Figure 3 It is a schematic view of the connecting structure of the operating rod and the operating handle of the present application;

[0023] Figure 4 It is a schematic view of B part of the present application; Figure 3

[0024] Figure 5 It is a side sectional view of the connecting structure of the operating handle and the operating rod of the present application;

[0025] Figure 6 It is a schematic view of C part of the present application; Figure 5

[0026] Figure 7 It is a schematic view of the position relationship between the push rod and the shielding sealing sheet of the present application;

[0027] Figure 8 It is a schematic view of D part of the present application; Figure 7

[0028] Figure 9 It is an exploded view of the present application;

[0029] Figure 10 It is a schematic view of E part of the present application. Figure 9

[0030] ​​​​​Figure: operating rod 1, operating handle 2, operating head 3, open spoon groove 4, hollow channel 5, end reference block 6, indicating block 7, first sealing ring 8, second sealing ring 9, strip window 10, shielding sealing piece 11, storage groove 12, spring groove 13, synchronous guide block 14, push rod 15, pressing block 16, reset spring 17, annular combined groove 18, positioning clamping groove 19, elastic buckle plate 20, positioning clamping block 21, assembly screw head 22, adapter hose 23, medical tee 24. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Please refer to the drawings Figures 1-10 The present application provides the following technical solutions.

[0033] Embodiment one: a minimally invasive treatment device for gout patients on the surface of four limbs, comprising an operating rod 1, an operating handle 2 movably and sealingly connected to one side of the operating rod 1, an operating head 3 provided on one side of the operating rod 1, an open spoon groove 4 formed on one side of the operating head 3, a hollow channel 5 formed through the center of the operating rod 1 on one side, the operating head 3 and one side of the operating rod 1 being in communication, an adapter assembly provided on the side of the operating rod 1 away from the operating head 3, the adapter assembly comprising a medical tee 24, the length of the operating rod 1 being 22 cm, the opening width of the open spoon groove 4 being 3 mm, the diameter of the hollow channel 5 being 1.5 mm, one end of the medical tee 24 being connected to the adapter hose 23, the end of the operating rod 1 away from the operating head 3 being provided with an assembly screw head 22, the adapter hose 23 being connected to the assembly screw head 22 through a mating screw cap, and the adapter hose 23 being in communication with the hollow channel 5, in use, the operating rod 1 is connected to the medical tee 24 through the adapter hose 23, the two interfaces of the medical tee 24 away from the adapter hose 23 can be connected to a medicine injection pipeline, a flushing pipeline, or a suction pipeline according to requirements, wherein the injection pipeline can inject anti-inflammatory drugs and local anesthetics, etc.

[0034] The length of the operating head 3 away from the operating handle 2 is less than the length of the operating handle 2 itself, the surface of the operating handle 2 is provided with anti-slip lines, the side of the operating rod 1 near the operating handle 2 is provided with an end reference block 6, the side of the end reference block 6 is provided with an indicating block 7, and the indicating block 7 is arranged corresponding to the opening direction of the open spoon groove 4, the anti-slip lines of the operating handle 2 facilitate the operator to hold and operate, and the indicating block 7 can help the operator to know the opening position of the open spoon groove 4 in time.

[0035] The adapter hose 23 can ensure the flushing force on the surface of the tophus to be sufficient without damaging the surrounding tissue by injecting sterile saline at a pressure of 0.5-1.5 MPa and a flow rate of 50 ml / s through the opening spoon groove 4 when the operating rod 1 is connected to the flushing pipeline.

[0036] Before the operation, the patient is given a comprehensive physical examination, including blood uric acid level, kidney function, liver function, electrocardiogram, etc., to ensure that the patient is suitable for minimally invasive treatment. The specific location of the tophus is determined by ultrasound examination, and the incision position is marked under ultrasound guidance.

[0037] Then, under local anesthesia (for example, local anesthesia using 2% lidocaine), the skin is incised with a 5mm incision length, and the device is inserted. The ultrasound guidance technology can be combined to accurately position the tophus, flush the surface of the tophus through the water injection function of the opening spoon groove 4, weaken the adhesion between the tophus and the surrounding tissue, inject anti-inflammatory drugs (such as dexamethasone) through the opening spoon groove 4 to achieve precise drug delivery, and further improve the treatment effect by using the negative pressure suction device and the opening spoon groove 4 to suction the tophus fragments.

[0038] According to the specific condition of the patient, antibiotics can be used after the operation to prevent infection and avoid postoperative complications. After the operation, traditional Chinese medicine (such as Huanglian paste) is applied externally, hormones (such as prednisolone) are used for treatment, and physical therapy (such as infrared radiation) is used to promote wound healing and reduce inflammation and the recurrence rate of gout.

[0039] In Example Two, based on Example One, a maintenance and treatment assembly is provided to quickly handle the blockage of tophus fragments in the hollow channel 5. The maintenance and treatment assembly is arranged in the operating handle 2. The maintenance and treatment assembly includes a push rod 15. The operating handle 2 is sleeved with the two ends of the operating rod 1, which are respectively inserted with a first sealing ring 8 and a second sealing ring 9. The inner circumferential side of the first sealing ring 8 and the second sealing ring 9 elastically sleeves the outer surface of the operating rod 1. The operating handle 2 can rotate and slide along the operating rod 1 above the operating rod 1. At the same time, the operating handle 2 is sealed and sleeved with the operating rod 1 through the first sealing ring 8 and the second sealing ring 9, so that the operating handle 2 and the operating rod 1 are in good sealing state.

[0040] The side of the operating rod 1 is provided with a strip-shaped window 10 communicated with the hollow channel 5, the operating handle 2 is provided with a blocking sealing sheet 11 inserted and connected to the side close to the strip-shaped window 10, the cross-sectional width of the blocking sealing sheet 11 is larger than that of the strip-shaped window 10, and the side of the blocking sealing sheet 11 is tightly combined with the operating rod 1, the operating handle 2 is provided with a receiving groove 12 at the side away from the blocking sealing sheet 11, the outer side of the operating handle 2 is provided with a spring groove 13 close to the receiving groove 12, the spring groove 13 is provided with a guide groove communicated with the receiving groove 12, a synchronous guide block 14 is movably inserted and connected in the guide groove, the synchronous guide block 14 is provided with a pushing rod 15 and a pressing block 16 in the receiving groove 12 and the spring groove 13 respectively, the length of the pressing block 16 is equal to the length of the operating head 3 away from the operating handle 2, the width of the pressing block 16 is equal to the width of the strip-shaped window 10, a plurality of reset springs 17 are symmetrically arranged at the side of the pressing block 16 in the spring groove 13, the position of the hollow channel 5 penetrating the operating rod 1 is in the interior of the operating handle 2 in normal use, and the multiple sealing states of the blocking sealing sheet 11, the first sealing ring 8 and the second sealing ring 9 ensure that the solution or gas passing through the hollow channel 5 does not affect the normal use.

[0041] When the operating handle 2 rotates along the operating rod 1, the blocking sealing sheet 11 is dislocated with the strip-shaped window 10, and the pushing rod 15 is abutted with the strip-shaped window 10, the pressing block 16 can control the synchronous guide block 14 and the pushing rod 15 to penetrate and insert the strip-shaped window 10 by pressing the pressing block 16, at this time, the pushing rod 15 is in the hollow channel 5, the synchronous guide block 14 can slide in the strip-shaped window 10 by sliding the operating handle 2 along the operating rod 1, the pushing rod 15 moves in the hollow channel 5, and then the end of the pushing rod 15 approaches the opening spoon groove 4, the ventilation stone fragments possibly occurring at the connecting position of the opening spoon groove 4 and the hollow channel 5 are pushed away from the hollow channel 5, so as to avoid the blockage of the hollow channel 5, after use, the pushing rod 15 is retracted into the receiving groove 12, and the blocking sealing sheet 11 reseals the strip-shaped window 10, the reset springs 17 can keep the posture of the synchronous guide block 14 and the pressing block 16 pulling the pushing rod 15 in the receiving groove 12, the operating rod 1 is made of medical stainless steel or titanium alloy with good biocompatibility, and the pushing rod 15 is made of high-strength medical alloy material with good bending resistance.

[0042] The operating handle 2 is provided with an annular combined slot 18 on one side close to the end reference block 6, two positioning clamping slots 19 are symmetrically provided in the annular combined slot 18, the end reference block 6 is provided with two elastic buckling plates 20 inserted into the annular combined slot 18 close to the operating handle 2, one side of the two elastic buckling plates 20 is provided with a positioning clamping block 21, the two positioning clamping blocks 21 are respectively inserted into the two positioning clamping slots 19, and the four sides of the positioning clamping slots 19 into which the positioning clamping blocks 21 are inserted are provided with inclined surfaces, since the end reference block 6 and the operating rod 1 are fixedly arranged, when the operating handle 2 rotates along the operating rod 1, the end reference block 6 remains stationary, at this time, the push rod 15 is butted against or staggered with the strip-shaped window 10, the two positioning clamping blocks 21 are respectively and alternately inserted into the two positioning clamping slots 19, and the operating handle 2 is positioned and retained.

[0043] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for minimally invasive treatment of tophi in patients with gout affecting the extremities, characterized in that, Include: The operating rod (1), one side of the operating rod (1) is movably sealed with an operating handle (2), the other side of the operating rod (1) is provided with an operating head (3), one side of the operating head (3) is provided with an open spoon groove (4), a hollow channel (5) is provided in the center of the operating rod (1), the operating head (3) is connected with one side of the operating rod (1), the other side of the operating rod (1) is provided with an adapter assembly, the adapter assembly comprises a medical tee (24); The maintenance processing assembly is arranged in the operating handle (2), and the maintenance processing assembly comprises a push rod (15); One side of the operating rod (1) is provided with a strip window (10) in communication with the hollow channel (5), the operating handle (2) is provided with a shielding sealing sheet (11) inserted on one side close to the strip window (10), the cross-sectional width of the shielding sealing sheet (11) is greater than the cross-sectional width of the strip window (10), and one side of the shielding sealing sheet (11) is closely attached to the operating rod (1); The operating handle (2) is provided with a receiving groove (12) on one side away from the shielding sealing sheet (11), the outer side of the operating handle (2) is provided with a spring groove (13) close to the receiving groove (12), the spring groove (13) is provided with a guide groove in communication with the receiving groove (12), the guide groove is movably provided with a synchronous guide block (14) inserted and connected, the receiving groove (12) is provided with a push rod (15) connected with the synchronous guide block (14), the spring groove (13) is provided with a pressing block (16) connected with the synchronous guide block (14), the length of the push rod (15) is equal to the length of the operating head (3) away from the operating handle (2), the width of the push rod (15) is equal to the width of the strip window (10), and a plurality of return springs (17) are symmetrically arranged on one side of the pressing block (16) in the spring groove (13).

2. The device according to claim 1, wherein the device is characterized in that: The length of the operating rod (1) is 22cm, the opening width of the open spoon groove (4) is 3mm, and the diameter of the hollow channel (5) is 1.5mm.

3. The device according to claim 2, wherein the device is characterized in that: One end of the medical tee (24) is connected with an adapter hose (23), one end of the operating rod (1) away from the operating head (3) is provided with a joint screw head (22), the adapter hose (23) is connected with the joint screw head (22) through a joint screw cap, and the adapter hose (23) is in communication with the hollow channel (5).

4. The device according to claim 3, wherein the device is characterized in that: The adapter hose (23) has a pressure of 0.5-1.5MPa and a water flow rate of 50ml / s when normal use of the operating rod (1) sends sterile saline into the open spoon groove (4).

5. The device according to claim 4, wherein the device is characterized in that: The length of the operating head (3) away from the operating handle (2) is less than the length of the operating handle (2) itself, and the surface of the operating handle (2) is provided with anti-skid lines.

6. The device according to claim 5, wherein the device is characterized in that: The operating rod (1) is provided with an end reference block (6) on one side close to the operating handle (2) of the joint screw head (22), one side of the end reference block (6) is provided with an indicating block (7), and the indicating block (7) is arranged corresponding to the opening direction of the open spoon groove (4).

7. The device according to claim 6, wherein the device is characterized by: The operation handle (2) is sleeved with the two ends of the operating rod (1), and the two ends are respectively inserted with the first sealing ring (8) and the second sealing ring (9); the inner circumferential side of the first sealing ring (8) and the second sealing ring (9) elastically sleeves the outer surface of the operating rod (1).

8. The device according to claim 7, wherein the device is characterized by: The operation handle (2) is provided with an annular combined groove (18) on the side close to the end reference block (6), two positioning clamping grooves (19) are symmetrically provided in the annular combined groove (18), the end reference block (6) is provided with two elastic buckling plates (20) on the side close to the operation handle (2), the two elastic buckling plates (20) are inserted into the annular combined groove (18), one side of each of the two elastic buckling plates (20) is provided with a positioning clamping block (21), the two positioning clamping blocks (21) are respectively inserted into the two positioning clamping grooves (19), and the four sides of the positioning clamping groove (19) and the four sides of the positioning clamping block (21) inserted into the positioning clamping groove (19) are all provided with inclined surfaces.

Citation Information

Patent Citations

  • Novel gout removing needle system

    CN210447091U

  • Gout stone cleaning device

    CN210727792U