A multifunctional cavity inspection and treatment endoscope system

Abstract

The present invention discloses a multifunctional cavity inspection and treatment endoscope system, which is characterized in that it comprises: an endocut working handpiece; an endocut working handpiece, which is fixedly mounted on the endocut working handpiece, an endoscope, which is inserted into the endocut working handpiece from the rear end of the endocut working handpiece, the head of the endoscope is mounted on the rear end of the endocut working handpiece, and the extension part of the endoscope passes through the inner cavity of the endocut working handpiece and extends from the front end thereof; a scope sheath, which is mounted on the front end of the endocut working handpiece, and the endocut working handpiece and the extension part of the endoscope are axially inserted into the scope sheath.

Description

Technical Field

[0001] The invention relates to a multifunctional cavity inspection and treatment endoscope system, and in particular to a multifunctional cavity inspection and treatment endoscope system applied to diagnosis and treatment in the ureteral cavity. Background Art

[0002] Ureteral stenosis and obstruction are common causes of hydronephrosis. A variety of diseases, including benign and malignant diseases, can cause ureteral stenosis. Ureteroscopy is an important way to treat and diagnose ureteral obstruction. According to the structural characteristics of the ureteroscope, it can be divided into soft ureteroscope, rigid ureteroscope, semi-rigid ureteroscope, etc. The existing ureteroscope has a single function, and different ureteroscopes need to be replaced for different treatment operations, which brings many inconveniences to medical staff.

[0003] Therefore, there is an urgent need to develop a multifunctional cavity inspection and treatment endoscopic system that can perform ureteroscopic inspection of the ureter and perform multiple treatment operations including internal incision, monopolar electroresection, bipolar electroresection, laser resection, catheterization, clamping, etc. Summary of the invention

[0004] In view of the above problems, an object of the present invention is to provide a multifunctional cavity inspection and treatment endoscope system.

[0005] To achieve the above object, the present invention adopts the following technical solution, a multifunctional cavity inspection and treatment endoscope system, characterized in that it includes:

[0006] Internal cutting workpiece;

[0007] The internal cutting piece is fixed on the internal cutting work piece.

[0008] An endoscope is inserted into the endo-incision working handpiece from the rear end thereof, the head of the endoscope is clamped on the rear end of the endo-incision working handpiece, and the extension portion of the endoscope passes through the inner cavity of the endo-incision working handpiece and extends from the front end thereof;

[0009] The scope sheath is clamped on the front end of the internal incision working handpiece, and the internal incision piece and the extension part of the endoscope are axially inserted into the scope sheath.

[0010] Preferably, the endocutting working handpiece adopts a cold knife type endocutting working handpiece, which includes a fixed handpiece, an operating handle arranged on the fixed handpiece and used to push the endocutting piece forward and backward axially along the extension part of the endoscope, and a V-shaped rebound piece for resetting the operating handle; a channel for the extension part of the endoscope to pass through is formed between the fixed handpiece and the operating handle, and a mounting slot for fixing the endocutting piece is formed between the fixed handpiece and the operating handle.

[0011] Preferably, the endotomy working handpiece adopts a monopolar and bipolar mixed endotomy working handpiece, which includes a fixed handpiece, an operating handle arranged on the fixed handpiece and used to push the endotomy piece forward and backward axially along the extension part of the endoscope, and a V-shaped rebound piece for resetting the operating handle; a channel for the extension part of the endoscope to pass through is formed between the fixed handpiece and the operating handle, and an installation slot for fixing the endotomy piece is formed between the fixed handpiece and the operating handle, and an electrode connecting seat is arranged on the operating handle.

[0012] Preferably, the internal cutting piece adopts an internal cutting knife, the front end of the internal cutting piece forms a blade portion, the rear end forms a clamping portion, and a plurality of cylindrical connecting pieces are arranged at intervals on the outer wall of the middle part of the internal cutting knife, and both ends of the connecting pieces are open.

[0013] Preferably, the endo-cutting knife is a long-handled cold knife; the blade of the endo-cutting knife is straight, semicircular or hook-shaped.

[0014] Preferably, the internal cutting piece adopts an internal cutting electrode, the front end of the internal cutting piece is formed with an electrode part, the rear end is formed with a clamping part, a cylindrical connecting piece is arranged on the outer wall of the middle part of the internal cutting piece, and both ends of the connecting piece (26) are open.

[0015] Preferably, the electrode portion of the internal incision electrode is a needle-shaped electrode or a ring-shaped electrode.

[0016] Preferably, a limit block is protrudingly provided on the operating handle close to the side of the fixed hand piece, a slot body for accommodating the limit block is provided on the operating handle, and the limit block is rotatably provided in the slot body.

[0017] Preferably, it also includes a scope bridge, which includes a main channel for replacing the internal incision working handpiece and connected to the endoscope and the scope sheath, and a bypass channel connected to the main channel, and a switch valve is provided on the bypass channel.

[0018] Preferably, the endoscope is a straight hard tube fiber endoscope with a diameter less than φ2mm; the diameter of the endoscope sheath is less than φ2.5mm.

[0019] The present invention adopts the above technical scheme, which has the following advantages: the present invention provides a multifunctional cavity inspection and treatment endoscope system, which includes an endotomy work piece, an endotomy piece installed on the endotomy work piece, a mirror sheath connected to the head end of the endotomy work piece, and an endoscope connected to the rear end of the endotomy work piece. The endotomy piece can be an endotomy knife or an endotomy electrode, and the corresponding endotomy work piece adopts a cold knife type endotomy work piece or a monopolar and bipolar mixed type endotomy work piece. According to the treatment needs, different instruments are selected for treatment, and ureteroscopic examination of the ureter can be performed, and multiple treatment operations including endotomy, monopolar electroresection, bipolar electroresection, laser resection, etc. can be performed, which is convenient for medical staff to operate and treat. The mirror tube sheath of the present invention is slender, accurately pointed, and fully functional. It can easily enter the narrow section for diagnosis, and different instrument treatment methods can be selected according to the treatment needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

[0021] Figure 2 is a schematic structural diagram of the mirror bridge in Embodiment 1 of the present invention;

[0022] Figure 3 is a front view structural schematic diagram of the endo-cutting knife in Embodiment 1 of the present invention;

[0023] Figure 4 is a schematic diagram of the top view of the internal cutting knife in Example 1 of the present invention;

[0024] Figure 5 1 is a schematic structural diagram of a single-polar and bipolar hybrid endo-incision working handpiece according to Embodiment 2 of the present invention;

[0025] Figure 6 is a schematic structural diagram of a needle-shaped electrode in Example 2 of the present invention;

[0026] Figure 7 is a schematic diagram of the front view structure of the ring electrode in Example 2 of the present invention;

[0027] Figure 8 It is a schematic diagram of the top view structure of the ring electrode in Example 2 of the present invention. DETAILED DESCRIPTION

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. However, it should be understood that the accompanying drawings are provided only for a better understanding of the present invention and should not be construed as limiting the present invention.

[0029] Example 1

[0030] like Figure 1As shown, this embodiment provides a multifunctional cavity inspection and treatment endoscope system, which includes:

[0031] Internal cutting workpiece 1;

[0032] The endoscope 3 is inserted into the endo-incision working hand piece 1 from the rear end thereof, the head 31 of the endoscope 3 is clamped on the rear end of the endo-incision working hand piece 1, and the extension portion 32 of the endoscope 3 passes through the inner cavity of the endo-incision working hand piece 1 and extends from the front end thereof;

[0033] The endo-incision knife 2 is located below the extension portion 32 of the endoscope 3 and is distributed along the axial direction thereof. The rear end of the endo-incision knife 2 is fixedly mounted on the endo-incision working handpiece 1.

[0034] The scope sheath 4 is clamped on the front end of the endotomy working handpiece 1 , and the endotomy knife 2 and the extension portion 32 of the endoscope 3 are axially inserted into the scope sheath 4 .

[0035] Furthermore, if Figure 2 As shown, this embodiment also includes an endoscope bridge 5, which includes a main channel 51 for replacing the internal incision working handpiece 1 and connected to the endoscope 3 and the endoscope sheath 4, and a bypass channel 52 connected to the main channel 51, and a switch valve 53 is provided on the bypass channel 52; when performing treatment operations such as laser resection, catheterization, clamping, etc., the bypass channel 52 is opened.

[0036] Furthermore, the endotomy working handpiece 1 adopts a cold knife type endotomy working handpiece, which includes a fixed handpiece 11, an operating handle 12 arranged on the fixed handpiece 11 and used to push the endotomy knife 2 axially forward and backward along the extension portion 32 of the endoscope 3, and a V-shaped rebound member 13 arranged between the fixed handpiece 11 and the operating handle 12, and the V-shaped rebound member 13 is used to reset the operating handle 12; a channel 14 is formed between the fixed handpiece 11 and the operating handle 12 for the extension portion 32 of the endoscope 3 to pass through, and a mounting slot 15 for fixing the endotomy knife 2 is formed between the fixed handpiece 11 and the operating handle 12.

[0037] Furthermore, a stop block (not shown in the figure) is protruded on the operating handle 12 near the side of the fixed hand piece 11. When in use, the surgeon pushes the endotomy knife 2 through the operating handle 12 to move and extend it out of the sheath 4. When the stop block abuts against the side wall of the fixed hand piece 11, the endotomy knife 2 stops extending further, and the surgeon knows that the endotomy knife 2 has reached the specified length, which is convenient for the surgeon to operate and improves the operating efficiency. Preferably, a slot body (not shown in the figure) for accommodating the stop block is provided on the operating handle 12, and the stop block is rotatably arranged in the slot body.

[0038] Furthermore, if Figure 3 , Figure 4As shown, the front end of the endotomy knife 2 forms a blade portion 21, and the rear end forms a clamping portion 22. A plurality of cylindrical connecting pieces 23 are arranged at intervals on the outer side wall of the middle portion of the endotomy knife 2. Both ends of the connecting pieces 23 are open. The extension portion 32 of the endoscope 3 passes through the plurality of connecting pieces 23 in sequence, so that the endotomy knife 2 is axially distributed below the extension portion 32 of the endoscope 3. The rear end of the endotomy knife 2 is inserted into the endotomy working hand piece 1. The clamping portion 22 on the endotomy knife 2 is used to fix the endotomy knife 2 on the endotomy working hand piece 1. When the endotomy working hand piece 1 is used to push the endotomy knife 2 to move axially along the extension portion 32 of the endoscope 3, the connecting piece 23 plays a guiding role.

[0039] Furthermore, the endo-cutting knife 2 is a long-handled cold knife; the blade of the endo-cutting knife 2 can be straight, semicircular or hook-shaped.

[0040] Furthermore, the endoscope 3 is a straight hard tube fiber endoscope with a diameter less than φ2 mm; the diameter of the scope sheath 4 is less than φ2.5 mm.

[0041] The method of using this embodiment is as follows:

[0042] Taking the use of the inspection and treatment endoscope system in this embodiment to treat the stenosis of the upper and middle ureters through the urethra as an example, normal saline is used for irrigation during the operation.

[0043] ① Intubation: Connect the endoscope 3 to the scope sheath 4 and the scope bridge 5, and connect them to the light source camera system and the irrigation pump, and start the operation. Enter the bladder through the urethra;

[0044] A guide wire is inserted through the endoscope bridge 5, and the endoscope is guided into the ureter until it reaches the stenosis. The guide wire is advanced, and if it passes through the stenosis in retrograde fashion, the endoscope is retracted after the guide wire is fixed.

[0045] ② Disassembly and connection: Disassemble the endoscope 3, the scope sheath 4, and the scope bridge 5, connect the endoscope 3 to the endotomy working handpiece 1, install the endotomy knife 2 into the endotomy working handpiece 1 and fix it with the handpiece lock, and put the endoscope 3 and the endotomy knife 2 into the scope sheath 4, and the scope sheath 4 is connected to the front end of the endotomy working handpiece 1.

[0046] ③ Endoscopic cold knife endotomy: Guided by the guide wire, the assembled inspection and treatment endoscope system is advanced along the guide wire to the stenosis, and the endoscopic handpiece 1 is controlled to work so that the endoscopic knife 2 extends out of the sheath 4. After the stenosis is cut according to the treatment principle, the endoscopic knife 2 is retracted into the sheath 4, and the endoscope is advanced through the stenosis. After confirmation by endoscopic examination, the guide wire is fixed and the endoscope is withdrawn. The double J tube is inserted through the guide wire, and the guide wire is withdrawn under the microscope. The placement of the double J tube is observed, and the endoscope is withdrawn after confirmation. During this period, a C-arm X-ray machine is used for monitoring and guidance as needed.

[0047] Example 2

[0048] like Figures 5 to 8As shown, compared with Example 1, this embodiment provides a multifunctional cavity inspection and treatment endoscope system, which includes:

[0049] Monopolar and bipolar mixed internal incision workpiece 1,

[0050] The internal incision electrode 2 is fixedly mounted on the monopolar and bipolar hybrid internal incision working handpiece 1;

[0051] The endoscope 3 is inserted into the monopolar and bipolar hybrid endo-incision working handpiece 1 from its rear end, the head 31 of the endoscope 3 is clamped on the rear end of the monopolar and bipolar hybrid endo-incision working handpiece 1, and the extension part 32 of the endoscope 3 passes through the inner cavity of the monopolar and bipolar hybrid endo-incision working handpiece 1 and extends from its front end;

[0052] The endoscope sheath 4 is clamped on the front end of the monopolar and bipolar hybrid endotomy working handpiece 1 , and the endotomy electrode 2 and the extension portion 32 of the endoscope 3 are axially inserted into the endoscope sheath 4 .

[0053] Furthermore, the monopolar and bipolar hybrid endotomy working handpiece 1 includes a fixed handpiece 11, an operating handle 12 arranged on the fixed handpiece 11 and used to push the endotomy electrode 2 axially forward and backward along the extension portion 32 of the endoscope 3, and a V-shaped rebound member 13 for resetting the operating handle 12; a channel 14 is formed between the fixed handpiece 11 and the operating handle 12 for the extension portion 32 of the endoscope 3 to pass through, and a mounting slot 15 is formed between the fixed handpiece 11 and the operating handle 12 for fixing the endotomy electrode 2, and an electrode connecting seat 16 is arranged on the operating handle 12 to facilitate the access of the electrode.

[0054] Furthermore, the electrode connection socket 16 includes a monopolar socket and a bipolar socket provided on the operating handle 12 .

[0055] Furthermore, an electrode portion 24 is formed at the front end of the endocut electrode 2, and a clamping portion 25 is formed at the rear end. A cylindrical connecting piece 26 is arranged on the outer wall of the middle part of the endocut electrode 2. Both ends of the connecting piece 26 are open. The extension portion 32 of the endoscope 3 passes through the connecting piece 26 in sequence, so that the endocut electrode 2 is axially distributed below the extension portion 32 of the endoscope 3. The rear end of the endocut electrode 2 is inserted into the single-polar and bipolar hybrid endocut working handpiece 1. The clamping portion 25 on the endocut electrode 2 is used to fix the endocut electrode 2 on the single-polar and bipolar hybrid endocut working handpiece 1. When the single-polar and bipolar hybrid endocut working handpiece 1 is used to push the endocut electrode 2 to move axially along the extension portion 32 of the endoscope 3, the connecting piece 26 plays a guiding role.

[0056] Furthermore, if Figures 6 to 8 As shown, the electrode portion 24 at the front end of the internal incision electrode 2 can be a needle-shaped electrode or a ring-shaped electrode.

[0057] Furthermore, the present embodiment also includes an endoscope bridge 5, which includes a main channel 51 for replacing the single-polar and bipolar hybrid internal incision working handpiece 1 and connected to the endoscope 3 and the endoscope sheath 4, and a bypass channel 52 connected to the main channel 51, and a switch valve 53 is provided on the bypass channel 52; when performing treatment operations such as laser resection, catheterization, and clamping, the bypass channel 52 is opened.

[0058] The method of using this embodiment is as follows:

[0059] The multifunctional cavity inspection and treatment endoscope system provided in Example 2 is used to treat the middle and upper ureteral

[0060] For example, 4% mannitol or 5% glucose solution was used for infusion during the operation.

[0061] ① Intubation: Connect the endoscope 3 to the scope sheath 4 and the scope bridge 5, and connect them to the light source camera system and the irrigation pump, and start the operation. Enter the bladder through the urethra;

[0062] A guide wire is inserted through the endoscope bridge 5, and the endoscope is guided into the ureter until it reaches the stenosis. The guide wire is advanced, and if it passes through the stenosis in retrograde fashion, the endoscope is retracted after the guide wire is fixed.

[0063] ② Disassembly and connection: disassemble the endoscope 3, the scope sheath 4, and the scope bridge 5, connect the endoscope 3 to the single-polar and double-polar hybrid endotomy work handpiece 1, install the endotomy electrode 2 on the single-polar and double-polar hybrid endotomy work handpiece 1, and fix it with the handpiece lock, insert the endotomy electrode 2 and the endoscope 3 into the scope sheath 4, and the scope sheath 4 is connected to the front end of the single-polar and double-polar hybrid endotomy work handpiece 1,

[0064] One end of the monopolar and bipolar lead wire is plugged into the monopolar socket of the monopolar and bipolar hybrid internal incision working handpiece 1, and the other end of the monopolar and bipolar lead wire is connected to the monopolar output port of the energy platform.

[0065] ③ Endoscopic monopolar electroresection: guided by a guide wire, the assembled inspection and treatment endoscope system is advanced along the guide wire to the stenosis, and the monopolar and bipolar mixed endoscopic workpiece 1 is controlled to move so that the endoscopic electrode 2 extends out of the endoscope sheath 4. After the stenosis is incised according to the treatment principle, the endoscopic electrode 2 is retracted into the endoscope sheath 4, and the endoscope is advanced through the stenosis. After confirmation by microscopic examination,

[0066] Fix the guidewire and withdraw the scope. Insert the double J tube through the guidewire, withdraw the guidewire under the scope, observe the placement of the double J tube, and withdraw the scope to end the operation after confirmation. During this period, use the C-arm X-ray machine for monitoring and guidance as needed.

[0067] In addition, another method of use in this embodiment is as follows:

[0068] Compared with the above-mentioned usage method, other processes remain unchanged. Only one end of the monopolar and bipolar lead wire is plugged into the bipolar socket of the monopolar and bipolar mixed internal incision working handpiece 1, and the other end of the monopolar and bipolar lead wire is connected to the bipolar output port of the energy platform, so that bipolar electroresection type internal incision can be performed under the microscope.

[0069] The present invention is only described with the above embodiments, and the structure, location and connection of each component can be changed. Based on the technical solution of the present invention, any improvement or equivalent transformation of individual components based on the principle of the present invention should not be excluded from the protection scope of the present invention.

Claims

1. A multifunctional cavity inspection and treatment endoscope system, characterized in that: include: Internal cutting workpiece (1); The internal cutting piece (2) is fixedly mounted on the internal cutting working piece (1). An endoscope (3) is inserted into the endotomy working handpiece (1) from the rear end of the endotomy working handpiece (1), a head portion (31) of the endoscope (3) is clamped on the rear end of the endotomy working handpiece (1), and an extension portion (32) of the endoscope (3) passes through the inner cavity of the endotomy working handpiece (1) and extends from the front end thereof; A scope sheath (4) is clamped on the front end of the endo-incision working handpiece (1), and the endo-incision piece (2) and the extension part (32) of the endoscope (3) are axially inserted into the scope sheath (4); The internal cutting piece (2) is an internal cutting knife, the front end of the internal cutting piece (2) forms a blade portion (21), the rear end forms a clamping portion (22), and a plurality of cylindrical connecting pieces (23) are arranged at intervals on the outer wall of the middle part of the internal cutting knife (2), and both ends of the connecting piece (23) are open; The extension portion (32) of the endoscope (3) passes through a plurality of connecting pieces (23) in sequence, so that the endotomy knife (2) is axially distributed below the extension portion (32) of the endoscope (3), the rear end of the endotomy knife (2) is inserted into the endotomy working handpiece (1), and the endotomy knife (2) is fixedly clamped on the endotomy working handpiece (1) by using the clamping portion (22) on the endotomy knife (2), and when the endotomy working handpiece (1) pushes the endotomy knife (2) to move axially along the extension portion (32) of the endoscope (3), the connecting piece (23) plays a guiding role; The endo-cutting work piece (1) adopts a cold knife type endo-cutting work piece, which comprises a fixed hand piece (11), an operating handle (12) arranged on the fixed hand piece (11) and used to push the endo-cutting piece (2) to move forward and backward axially along the extension part (32) of the endoscope (3), and a V-shaped rebound piece (13) used to reset the operating handle (12); a channel (14) is formed between the fixed hand piece (11) and the operating handle (12) for the extension part (32) of the endoscope (3) to pass through, and a mounting groove (15) is formed between the fixed hand piece (11) and the operating handle (12) for fixing the endo-cutting piece (2); The endotomy working handpiece (1) is a monopolar and bipolar hybrid endotomy working handpiece, comprising a fixed handpiece (11), an operating handle (12) arranged on the fixed handpiece (11) and used to push the endotomy working handpiece (2) to move forward and backward axially along the extension portion (32) of the endoscope (3), and a V-shaped rebound member (13) used to reset the operating handle (12); a channel (14) is formed between the fixed handpiece (11) and the operating handle (12) for the extension portion (32) of the endoscope (3) to pass through. ), a mounting slot (15) for fixing the endotomy piece (2) is formed between the fixing handpiece (11) and the operating handle (12), an electrode connection seat (16) is arranged on the operating handle (12), and the electrode connection seat (16) includes a monopolar socket and a bipolar socket arranged on the operating handle (12), one end of the monopolar and bipolar lead wire is plugged into the bipolar socket of the monopolar and bipolar mixed type endotomy working handpiece, and the other end of the monopolar and bipolar lead wire is connected to the bipolar output port of the energy platform to perform bipolar electroresection type endotomy under the microscope.

2. A multifunctional cavity inspection and treatment endoscope system as claimed in claim 1, characterized in that: The endo-cutting knife is a long-handled cold knife; the knife head of the endo-cutting knife is straight, semicircular or hook-shaped.

3. A multifunctional cavity inspection and treatment endoscope system as claimed in claim 1, characterized in that: The internal cutting piece (2) adopts an internal cutting electrode. The front end of the internal cutting piece (2) is formed with an electrode part (24), and the rear end is formed with a clamping part (25). A cylindrical connecting piece (26) is arranged on the outer wall of the middle part of the internal cutting piece (2), and both ends of the connecting piece (26) are open.

4. A multifunctional cavity inspection and treatment endoscope system as claimed in claim 3, characterized in that: The electrode portion (24) of the internal incision electrode is a needle-shaped electrode or a ring-shaped electrode.

5. The multifunctional cavity inspection and treatment endoscope system according to claim 1, characterized in that: A limit block is protrudingly provided on the operating handle (12) on a side close to the fixed hand piece (11), and a slot body for accommodating the limit block is provided on the operating handle (12), and the limit block is rotatably arranged in the slot body.

6. The multifunctional cavity inspection and treatment endoscope system according to claim 1, characterized in that: The invention also comprises a scope bridge (5), wherein the scope bridge (5) comprises a main channel (51) for replacing the internal incision working handpiece (1) and connected to the endoscope (3) and the scope sheath (4), and a bypass channel (52) connected to the main channel (51), wherein a switch valve (53) is provided on the bypass channel (52).

7. The multifunctional cavity inspection and treatment endoscope system according to claim 1, characterized in that: The endoscope (3) is a straight hard tube fiber endoscope with a diameter less than φ2 mm; the diameter of the endoscope sheath (4) is less than φ2.5 mm.

Images