Biopsy forceps with hemostasis function for biliary and pancreatic surgery

Abstract

The utility model relates to a pair of biopsy forceps with a hemostasis function for the department of biliary and pancreatic surgery, which belongs to the technical field of medical instruments and comprises a forceps rod, an extension tube, an insulating sleeve, forceps heads and electrode ends, and watering structures are mounted on the insulating sleeve and the forceps rod. The watering structure comprises a spray head, a water conveying pipe and an external pipe, the two ends of the water conveying pipe are fixedly communicated with the spray head and the external pipe respectively, and an adjusting structure extending to the clamp rod is arranged on the outer surface of the spray head; the adjusting structure comprises an adjusting cover installed on the outer surface of the spray head in a sleeving mode, a pull rope fixed to one side of the adjusting cover, a portal frame fixed to the outer surface of the clamp rod and a lifting block installed on the inner side of the portal frame in a sliding mode. According to the biopsy forceps with the hemostasis function for the biliary and pancreatic surgery department, infusion equipment is connected with a water conveying pipe through an external connecting pipe, liquid is sprayed out through a spray head, the operation convenience of the surgery is further improved, and the biopsy forceps have the advantages of being high in practicability, capable of achieving medicine spraying and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely is a biopsy forceps with hemostasis function for biliary and pancreatic surgery. BACKGROUND

[0002] Biopsy forceps are important instruments for collecting living tissues for pathological examination or disease diagnosis. They mainly include a forceps head assembly, a hose, a handle, and a slip ring, etc. The forceps head part is designed with grooves and tooth gaps, which are narrow spaces for clamping and fixing living tissues. Biopsy forceps are indispensable tools for obtaining pathological specimens in endoscopic examination, which can be used for clamping and taking living tissues in the stomach, intestines, bladder, bronchus, etc. for pathological diagnosis, thereby helping doctors to early detect and diagnose diseases. For lesions with limited endoscopic field of view or difficult to operate, biopsy forceps can push or pull the mucosa around the lesion to fully expose the lesion, which is convenient for doctors to observe and diagnose.

[0003] The existing biopsy forceps are provided with electrode tips, which are then connected to a power supply device, so that the traction wire and the forceps head can conduct electricity. The electrode tips can be used for electrocoagulation and hemostasis while clamping and taking operation with the biopsy forceps, which reduces the number of devices used during operation and facilitates the hemostasis operation of doctors.

[0004] However, the existing biopsy forceps lack spraying function. In actual operation, sometimes it is necessary to spray drugs such as anesthetics or disinfectants on the lesion site before or after clamping the tissue. If the biopsy forceps lack the spraying function, doctors need to use additional instruments to complete the spraying operation, which undoubtedly increases the operation steps and time, reduces the operation efficiency, and cannot meet the practical needs. Therefore, a biopsy forceps with hemostasis function for biliary and pancreatic surgery is proposed to solve the above problems. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model provides a biopsy forceps with hemostasis function for biliary and pancreatic surgery, which has the advantages of strong practicability and can realize drug spraying, and solves the problem of lack of spraying function of biopsy forceps.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a biopsy forceps with hemostasis function for biliary and pancreatic surgery, which is composed of a forceps rod, an extension tube, an insulating sleeve, a forceps head, and an electrode tip, wherein the insulating sleeve and the forceps rod are provided with a water spraying structure.

[0007] The water spraying structure includes a spray head, a water delivery pipe, and an external connecting pipe. The two ends of the water delivery pipe are fixedly communicated with the spray head and the external connecting pipe, respectively. The outer surface of the spray head is provided with an adjusting structure extending to the forceps rod.

[0008] The adjusting structure comprises an adjusting cover which is sleeved and mounted on the outer surface of the spray head, a pull rope which is fixed to one side of the adjusting cover, a portal frame which is fixed to the outer surface of the clamp rod, and a lifting block which is slidingly mounted on the inner side of the portal frame, one end of the pull rope is fixed to the lower surface of the lifting block, and the outer surface of the spray head is provided with an elastic member which is connected with the adjusting cover.

[0009] Further, the extension pipe is mounted on one end of the clamp rod, and the insulating sleeve is mounted between the extension pipe and the clamp head.

[0010] Further, the electrode end is fixed to the outer surface of the clamp rod, the clamp rod is internally provided with a wire which penetrates through the inside of the extension pipe and the insulating sleeve, one end of the wire is movably connected with the clamp head, and the other end of the wire is electrically connected with the electrode end.

[0011] Further, the outer surface of the clamp rod is slidingly mounted with two handles, the outer surface of the handle is fixed with an extension which extends to the inside of the clamp rod and is fixed to the outer surface of the wire.

[0012] Further, the inside of the extension pipe is provided with a through slot, the inside of the clamp rod is hollow, and the water delivery pipe extends to the inside of the clamp rod through the through slot.

[0013] Further, the extension pipe is fixedly mounted in the inside of the clamp rod, one end of the extension pipe extends to the outside of the clamp rod, and the inside of the insulating sleeve is provided with an extension slot.

[0014] Further, the adjusting cover is formed in a conical shape, one end of the adjusting cover extends into the extension slot, the side wall of the lifting block is fixed with a sliding block, and the inner side of the portal frame is provided with a sliding groove which is matched with the sliding block.

[0015] Further, the elastic member is composed of a guide groove, a guide block and a return spring, the guide groove starts from the inside of the spray head, the guide block is slidingly mounted in the guide groove, the return spring is fixed in the guide groove, one end of the return spring is fixed to the outer surface of the guide block, and the outer surface of the adjusting cover is mounted with a connecting ring which is fixed to the guide block.

[0016] Compared with the prior art, the biopsy forceps with hemostasis function for biliary and pancreatic surgery have the following advantages:

[0017] 1. The biopsy forceps with hemostasis function for biliary and pancreatic surgery are connected with the liquid delivery device and the water delivery pipe through the extension pipe, and the liquid is sprayed through the spray head, so that the operation convenience is further improved, the practicality is high, the drug spraying can be realized, and the problem of lacking the spraying function of the biopsy forceps is solved.

[0018] 2. The biopsy forceps with hemostasis function for biliary surgery, through the electrode end head is connected with the power supply equipment, the traction wire and the forceps head can input current, the immediate hemostasis can be carried out to the gallbladder mucosa wound of the gallbladder polypus root, compared with prior art, the additional hemostasis equipment that the doctor needs to operate is reduced, the hemostasis time in operation is shortened, the gallbladder mucosa bleeding amount is reduced, the hemostasis efficiency is improved, and the operation quality is improved.

[0019] 3. The biopsy forceps with hemostasis function for biliary surgery, the displacement of the adjusting cover is realized by the up and down displacement of the lifting block cooperating with the pull rope, and under the deformation of the reset spring, the spraying range of the adjusting cover to the nozzle can be increased, and the spraying effect is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is the structure perspective drawing of the utility model;

[0021] Fig. 2 It is the structure schematic view of the nozzle of the utility model;

[0022] Fig. 3 It is the structure schematic view of the portal frame of the utility model;

[0023] Fig. 4 It is the structure schematic view of the adjusting cover of the utility model;

[0024] Fig. 5 It is the utility model Fig. 4 The enlarged structure schematic view of A shown in the figure.

[0025] In the figure: 1, forceps rod;2, extension pipe;3, insulating sleeve;4, forceps head;5, electrode end head;6, handle;7, slot;8, nozzle;9, water delivery pipe;91, external pipe;10, extension slot;11, adjusting cover;12, pull rope;13, portal frame;14, lifting block;15, sliding block;16, sliding slot;17, guide slot;18, guide block;19, reset spring;20, connecting ring. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] Please refer to Figs. 1 to 5The utility model provides a biopsy forceps with hemostasis function for biliary surgery, which comprises a forceps rod 1, an extension tube 2, an insulating sleeve 3, a forceps head 4 and an electrode end 5, wherein the extension tube 2 is installed at one end of the forceps rod 1, and the insulating sleeve 3 is installed between the extension tube 2 and the forceps head 4.

[0028] Specifically, the electrode end 5 is fixed to the outer surface of the forceps rod 1, the forceps rod 1 is internally provided with a metal wire penetrating through the inside of the extension tube 2 and the insulating sleeve 3, one end of the metal wire is movably connected with the forceps head 4, and the other end of the metal wire is electrically connected with the electrode end 5. Two handles 6 are slidably installed on the outer surface of the forceps rod 1, and the outer surface of each handle 6 is fixed with an extension wire extending into the inside of the forceps rod 1 and fixed to the outer surface of the metal wire. In use, the forceps head 4 is extended from a choledochoscope to a diseased part through the insulating sleeve 3, a doctor holds the forceps rod 1 to operate, and the doctor controls the handles 6 to control the pulling and dragging of the metal wire in the insulating sleeve 3, thereby controlling the opening and closing of the forceps head 4. The electrode end 5 is connected with a power supply device, so that the metal wire and the forceps head 4 can input electric current, and the root mucosa wound of the removed gallbladder polypus can be immediately hemostatic. Compared with the prior art, the utility model reduces the additional hemostatic equipment that the doctor needs to operate, shortens the hemostatic time in surgery, reduces the amount of gallbladder mucosa bleeding, improves the hemostatic efficiency, and improves the operation quality. The use of the electrode end 5 belongs to the conventional technology known to the public in the prior art, and therefore the specific structure and working principle thereof will not be described in detail.

[0029] In the embodiment, a water spraying structure is installed on the insulating sleeve 3 and the forceps rod 1; the water spraying structure comprises a spray head 8, a water delivery pipe 9 and an external pipe 91, both ends of the water delivery pipe 9 are fixedly communicated with the spray head 8 and the external pipe 91, respectively. The extension tube 2 is internally provided with a through slot 7, the forceps rod 1 is hollow, and the water delivery pipe 9 extends to the inside of the forceps rod 1 through the through slot 7. The external pipe 91 is fixedly installed in the inside of the forceps rod 1, one end of the external pipe 91 extends to the outside of the forceps rod 1, and the inside of the insulating sleeve 3 is provided with an extension slot 10.

[0030] In order to improve the spraying range, the outer surface of the spray head 8 is provided with an adjusting structure extending to the clamp lever 1; specifically, the adjusting structure includes an adjusting cover 11 sleeved and installed on the outer surface of the spray head 8, a pull rope 12 fixed to one side of the adjusting cover 11, a gantry 13 fixed to the outer surface of the clamp lever 1, and a pulling block 14 slidingly installed on the inner side of the gantry 13, the other end of the pull rope 12 is fixed to the lower surface of the pulling block 14, and the outer surface of the spray head 8 is provided with an elastic element connected with the adjusting cover 11. The adjusting cover 11 is formed in a conical shape, one end of the adjusting cover 11 extends into the extension groove 10, the side wall of the pulling block 14 is fixed with a sliding block 15, and the inner side of the gantry 13 is provided with a sliding groove 16 matched with the sliding block 15. By arranging the adjusting cover 11 on the outer surface of the spray head 8, and through the adjusting structure composed of the pull rope 12, the gantry 13 and the pulling block 14, the user can conveniently adjust the position of the adjusting cover 11, so as to change the spraying range of the spray head. This design makes the spraying operation more flexible, and the spraying area can be adjusted according to actual needs. In the embodiment, the elastic element is composed of a guide groove 17, a guide block 18 and a return spring 19, the guide groove 17 starts from the inside of the spray head 8, the guide block 18 is slidingly installed in the guide groove 17, the return spring 19 is fixed in the guide groove 17, and one end of the return spring 19 is fixed to the outer surface of the guide block 18, and the outer surface of the adjusting cover 11 is provided with a connecting ring 20 fixed with the guide block 18. The sliding block 15 and the sliding groove 16 can be provided with a retractable shielding cloth, which can shield the guide groove 17. The connecting ring 20 is detachably connected with the adjusting cover 11, and the adjusting cover 11 can be disassembled and repaired.

[0031] In addition, a sheath is installed in the clamp lever 1 to protect the pull rope 12 and improve the service life of the pull rope 12.

[0032] The working principle of the above embodiment is as follows:

[0033] In use, the clamp head 4 is extended to the affected area from the bile duct mirror through the insulating sleeve 3, the doctor holds the clamp lever 1 to operate, the doctor's fingers operate the handle 6 to control the pulling and pulling of the traction wire in the insulating sleeve 3, control the opening and closing of the clamp head 4, the electrode end 5 is connected with the power supply device, so that the traction wire and the clamp head 4 can input current, and the root mucosa wound of the removed gallbladder polyp can be immediately hemostatic, compared with the prior art, the doctor needs to operate additional hemostatic equipment, the hemostatic time in the operation is shortened, the amount of gallbladder mucosa bleeding is reduced, the hemostatic efficiency is improved, and the operation quality is improved;

[0034] The infusion device is connected with the water delivery pipe 9 through the external connection pipe 91, and the liquid is sprayed out through the spray head 8, further improving the convenience of operation.

[0035] The mounting mode, the connecting mode or the setting mode disclosed in the embodiment are all common mechanical connecting modes, and can be implemented as long as the beneficial effects can be achieved, in addition, the electrical components appearing in the embodiment are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, the control of the electrical components can be realized by simple programming by the person skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, therefore, the specific structure composition and working principle of the embodiment will not be described too much.

[0036] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus.

[0037] 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 biopsy forceps with hemostatic function for biliary and pancreatic surgery, comprising a forceps shaft (1), an extension tube (2), an insulating sleeve (3), a forceps head (4) and an electrode tip (5) to form a biopsy forceps for biliary and pancreatic surgery, characterized in that: The insulating sleeve (3) and the clamp lever (1) are provided with a water spraying structure; The water spraying structure comprises a spray head (8), a water delivery pipe (9) and an external connecting pipe (91), two ends of the water delivery pipe (9) are fixedly communicated with the spray head (8) and the external connecting pipe (91) respectively, and the outer surface of the spray head (8) is provided with an adjusting structure extending to the clamp lever (1). The adjusting structure comprises an adjusting cover (11) sleeved and mounted on the outer surface of the spray head (8), a pull rope (12) fixed to one side of the adjusting cover (11), a gantry (13) fixed to the outer surface of the clamp lever (1), and a pulling block (14) slidingly mounted on the inner side of the gantry (13), one end of the pull rope (12) is fixed to the lower surface of the pulling block (14), and the outer surface of the spray head (8) is provided with an elastic member connected with the adjusting cover (11).

2. The biopsy forceps with hemostatic function for biliopancreatic surgery according to claim 1, characterized in that: The extension pipe (2) is mounted on one end of the clamp lever (1), and the insulating sleeve (3) is mounted between the extension pipe (2) and the clamp head (4).

3. The biopsy forceps with hemostatic function for biliopancreatic surgery according to claim 1, characterized in that: The electrode end (5) is fixed to the outer surface of the clamp lever (1), the clamp lever (1) is internally provided with a metal wire penetrating through the inside of the extension pipe (2) and the insulating sleeve (3), one end of the metal wire is movably connected with the clamp head (4), and the other end of the metal wire is electrically connected with the electrode end (5).

4. The biopsy forceps with hemostatic function for biliopancreatic surgery according to claim 3, characterized in that: The outer surface of the clamp lever (1) is slidingly provided with two handles (6), and the outer surface of the handle (6) is fixedly provided with an extension extending to the inside of the clamp lever (1) and fixed to the outer surface of the metal wire.

5. The biopsy forceps with hemostatic function for biliopancreatic surgery according to claim 1, characterized in that: The extension pipe (2) is internally provided with a through slot (7), the clamp lever (1) is hollow, and the water delivery pipe (9) extends to the inside of the clamp lever (1) through the through slot (7).

6. The biopsy forceps with hemostatic function for biliopancreatic surgery according to claim 1, characterized in that: The external connecting pipe (91) is fixedly mounted in the inside of the clamp lever (1), one end of the external connecting pipe (91) extends to the outside of the clamp lever (1), and the inside of the insulating sleeve (3) is provided with an extension slot (10).

7. The biopsy forceps with hemostatic function for biliopancreatic surgery according to claim 6, characterized in that: The adjusting cover (11) is conical in shape, one end of the adjusting cover (11) extends into the extension slot (10), the side wall of the pulling block (14) is fixedly provided with a sliding block (15), and the inner side of the gantry (13) is provided with a sliding groove (16) matched with the sliding block (15).

8. The biopsy forceps with hemostatic function for biliopancreatic surgery according to claim 1, characterized in that: The elastic member is composed of a guide groove (17), a guide block (18) and a return spring (19), the guide groove (17) starts from the inside of the spray head (8), the guide block (18) is slidingly mounted in the guide groove (17), the return spring (19) is fixed in the inside of the guide groove (17), one end of the return spring (19) is fixed to the outer surface of the guide block (18), and the outer surface of the adjusting cover (11) is provided with a connecting ring (20) fixed with the guide block (18).

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