CN217828049U

CN217828049U - Plasma hemostasis manipulator for percutaneous nephroscope

Info

Publication number: CN217828049U
Application number: CN202221567713.2U
Authority: CN
Inventors: 刘军; 安立哲; 王焕瑞; 陈伟男; 熊六林; 许清泉; 黄晓波
Original assignee: Peking University Peoples Hospital
Current assignee: Peking University Peoples Hospital
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-18
Anticipated expiration: 2032-06-22

Abstract

The application discloses a plasma hemostasis manipulator for a percutaneous nephroscope, which comprises a workpiece and an operating end, wherein the operating end is arranged as an operating handle; one end of the workpiece is provided with a connecting rod, and the operating handle is sleeved outside the connecting rod; the other end of the connecting rod is provided with a plasma joint, and the plasma joint is movably connected with the connecting rod; by the mode, the plasma joint is plugged into the existing plasma host equipment, and the operating handle controls the workpiece to adopt a plasma electrotomy or electrocoagulation working mode.

Description

Plasma hemostasis manipulator for percutaneous nephroscope

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to is a plasma hemostasis operation ware for percutaneous nephroscope.

Background

In percutaneous nephroscope surgery, percutaneous nephropuncture is required to be firstly carried out to establish a surgical channel. Percutaneous nephroscope surgery is still a type of surgery with a high bleeding risk in urinary surgery, and during the operation, single or multiple wound surfaces bleed easily due to operation deviation, and a small number of patients also have large bleeding of puncture channels. Bleeding in the skin and kidney channel needs to be exactly stopped under direct vision so as to safely complete the operation. The existing hemostasis device for percutaneous nephroscope surgery is generally provided with an electrode at the head part to play the effect of end hemostasis, but because the hemostasis device is columnar, the kidney tissue contacted with the hemostasis device is easily damaged by side because of the movement of the hemostasis device in the moving process. Trauma to the renal passageway is also likely to increase during withdrawal of the hemostatic device due to movement of the nephroscope sheath within the renal tissue.

On the other hand, for some patients with tumors in the renal pelvis, radical surgical resection cannot be adopted, and generally a percutaneous nephroscopy resection mode is adopted for effective treatment, but no relevant surgical instrument is used for electrocision hemostasis operation under a nephroscope in the market at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a plasma hemostasis operation ware for percutaneous nephroscope for help clinician solve the descending tumour excision of nephroscope and hemostatic relevant problem, also effectively avoided the operation in-process simultaneously when carrying out the hemostasis operation easy to cause the problem of vice damage to the kidney tissue and/or kidney passageway around the hemostasis device.

Further, the workpiece comprises a Y-shaped pipe connected with the connecting rod, supporting pipes respectively connected with the Y-shaped pipe integrally, and an electric cutting ring connected with the supporting pipes; current is transmitted to the resectoscope ring through the Y-shaped pipe and the supporting pipe, electrocautery is generated when the resectoscope ring is in contact with kidney tissues, and the bleeding wound surface of the percutaneous nephroscope operation is subjected to thermal coagulation, so that the hemostasis effect is achieved.

Furthermore, the width of the resectoscope ring is 2-5mm, and the length of the connecting rod is 20-40cm so as to match nephroscope equipment of different models; preferably, the width of the electrotomy ring is 2-3mm. The operative channel of most nephroscopes is 3-5mm, so to ensure fine operation, an electrocision ring width of 2-3mm may be more suitable for operation.

Furthermore, a ceramic layer is arranged at one end, provided with the electrotomy ring, of the supporting tube, and the ceramic layer is a high-temperature-resistant ceramic layer and serves as an isolation layer of the electrotomy ring.

Furthermore, the electric cutting ring is arranged in an omega shape, and the joint of the electric cutting ring and the support tube forms an angle. The omega-shaped electrotomy ring has consistent thickness for cutting the tissue so as to avoid cutting through the tissue in the use process; and the edge of the omega-shaped electric excision ring is smoother and more mellow, and is more suitable for realizing the effects of electric coagulation and electric excision on tissues. Preferably, the angle of the connection part of the resectioning ring and the supporting tube is a right angle. The shape of the electric cutting ring is not limited to the omega shape, but can be other shapes capable of ensuring the cutting effect, such as a V shape and the like.

Furthermore, the side wall of the electric cutting ring is provided with a raised electrode block which is integrally connected with the electric cutting ring; the electric cauterization of the passing part through the current can ensure the hemostatic and coagulating effect of the side part of the hemostatic device and realize the effect of excision and hemostasis of the descending lump of the nephroscope.

Furthermore, the upper end of the protruding electrode block is an arc-shaped surface.

Furthermore, one end of the supporting tube, which is provided with the electric cutting ring, is provided with a columnar point protrusion, so that the hemostatic and coagulative effect on a target part is achieved.

Furthermore, the operating handle is arranged as a pen-holding type operating handle, and an operating switch is arranged outside the pen-holding type operating handle; the operating switch is connected with the plasma joint through a connecting wire; the connecting wire and the pen holding type operating handle can be designed to be inserted, and the assembly is convenient. The operation switch comprises closing, electric coagulation and electric coagulation, the operation can be carried out in a plasma electric coagulation or electric coagulation mode according to the operation condition in the using process, the electric coagulation is adopted for excision of a tumor, the wound surface is subjected to electric coagulation hemostasis, the electric coagulation and the electric coagulation are switched at the operation switch on the pen-holding type operation handle, the electric coagulation key and the electric coagulation key are triggered through keys, and the operation is more precise.

Or the pen holding type operating handle is connected with a pedal structure control, the pedal structure control is provided with an operating switch, and the operating switch comprises closing, electric coagulation and electric cutting; the pedal structure is controlled through the pedal in the use process, so that the working mode of the electric cutting ring is controlled.

Furthermore, the outer side of the operating handle is insulated, so that current burn during operation is avoided.

Furthermore, the plasma joint adopts a double-fork head and is directly and movably connected with the plasma host machine equipment; the arrangement is convenient for clinical use.

Further, the length of the connecting line is determined according to the distance between the operation area and the equipment, and is generally 1.5m-3.5m, and preferably 2.5m; utilize the length of connecting rod, make hemostasis device can carry out hemostasis simultaneously to all kidney tissue positions that hemostasis device meets and solidify to effectively prevent to cause the bleeding problem of vice damage because of hemostasis device removes, reduce the emergence of percutaneous nephroscope operation bleeding complication.

Furthermore, the outer side wall of the pen holding type operating handle is provided with friction lines, so that the stability of taking operation is guaranteed.

The utility model has the advantages that: 1. the plasma hemostasis manipulator with the electric coagulation and electrotomy functions is arranged, and the operation handle is used for controlling the electrotomy ring to adopt the working mode of plasma electrotomy or electric coagulation, so that the operation of excision and hemostasis of descending tumor in percutaneous nephroscope operation is realized; 2. by arranging the resectoscope ring, the supporting tube and the Y-shaped tube and arranging the columnar point convex and/or convex electrode block at the side of the resectoscope ring, the operations of resection of the tumor and hemostasis can be performed more accurately, and the secondary damage to the tissues and/or channels around the device during the hemostasis operation is avoided; 3. the size of the resectoscope ring is limited, so that the resectoscope ring can be matched with different nephroscope devices, and the applicability is improved; and the detachable plasma joint is also utilized to be matched with various devices, so that the fine operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is an enlarged schematic view of the working member of the present invention;

FIG. 4 is an enlarged schematic view of the electrical cutting ring and the cylindrical point protrusions of the present invention;

FIG. 5 is an enlarged schematic view of the electrical cutting ring and the bump electrode block of the present invention;

FIG. 6 is an enlarged schematic view of the pen-holding type operating handle of the present invention;

in the figure, 1, an electric cutting ring; 11. a connecting rod; 12. a Y-shaped pipe; 13. supporting a pipe; 14. a raised electrode block; 15. the columnar points are convex; 2. a pen-holding type operating handle; 21. an operating switch; 22. connecting wires; 3. plasma junction.

Detailed Description

The technical solutions in the embodiments of the present invention will be described below clearly and completely in the specific embodiments, and it should be apparent that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure in the specification. The utility model discloses can also implement or use through other different concrete implementation modes, under the circumstances of conflict-free, the characteristics in following embodiment and the embodiment can the intercombination, based on the embodiment of the utility model provides a, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making creative work all belong to the scope of the utility model protection.

Fig. 1 is a schematic view of an overall structure provided in the present embodiment, fig. 2 is a schematic view of a front view of the overall structure provided in the present embodiment, and fig. 3 is a schematic view of an enlarged structure of a workpiece provided in the present embodiment;

in one embodiment, a plasma hemostasis manipulator for percutaneous nephroscopy is disclosed, which comprises a workpiece and an operating end, wherein the operating end is provided as an operating handle; one end of the workpiece is provided with a connecting rod 11, and the operating handle is sleeved outside the connecting rod 11; the other end of the connecting rod 11 is provided with a plasma joint 3, and the plasma joint 3 is movably connected with the connecting rod 11; by the way, the plasma joint 3 is plugged into the existing plasma host equipment, and the operating handle controls the workpiece to adopt the working mode of plasma electrotomy or electrocoagulation.

The workpiece comprises a Y-shaped pipe 12 connected with a connecting rod 11, supporting pipes 13 respectively connected with the Y-shaped pipe 12 integrally, and an electric cutting ring 1 connected with the supporting pipes 13; current is transmitted to the electrotomy ring 1 through the Y-shaped pipe 12 and the supporting pipe 13, so that the electrotomy ring 1 is electrically burned when contacting with kidney tissues, and the hemorrhagic wound surface of the percutaneous nephroscope operation is thermally coagulated, thereby achieving the effect of stopping bleeding.

The width of the resectoscope ring 1 is 2-5mm, and the length of the connecting rod 11 is 20-40cm so as to match nephroscope equipment of different models; preferably, the width of the electrotomy ring 1 is 2-3mm. The operating channel of most nephroscopes is 3-5mm, and therefore, to ensure fine operation, an electrocision ring 1 width of 2-3mm may be more suitable for operation.

The ceramic layer is arranged at one end, provided with the electrotomy ring 1, of the supporting tube 13, and the ceramic layer is a high-temperature-resistant ceramic layer and serves as an isolation layer of the electrotomy ring 1.

The electric cutting ring 1 is arranged in an omega shape, and the joint of the electric cutting ring 1 and the support pipe 13 forms an angle. The thickness of the omega-shaped electric cutting ring 1 for cutting the tissue is consistent, so that the tissue is prevented from being cut through in the use process; and the edge of the omega-shaped electrotomy ring 1 is smoother and more rounded, and is more suitable for realizing the effects of electrocoagulation and electrotomy on tissues. Preferably, the angle at which the resectioning ring 1 is connected to the support tube 13 is a right angle. The shape of the ring 1 is not limited to the omega shape, but may be other shapes that can ensure the cutting effect, such as a V shape. In the present embodiment, the electrical cutting ring 1 is provided in an Ω -shape.

Figure 4 is an enlarged structural schematic diagram of the electric cutting ring 1 and the columnar dot protrusion 15 provided in the present embodiment,

in one embodiment, a columnar point protrusion 15 is arranged at one end of the support tube 13 where the resectoscope ring 1 is arranged, and plays a role in hemostasis and coagulation on a target part.

Figure 5 is an enlarged structural schematic diagram of the electric cutting ring 1 and the protruding electrode block 14 provided in the present embodiment,

in one embodiment, the side wall of the electric cutting ring 1 is provided with a protruding electrode block 14, and the protruding electrode block 14 is integrally connected with the electric cutting ring 1; the electric cauterization of the passing part through the current can ensure the hemostatic coagulation effect of the side part of the hemostatic device and can realize the effect of excision of the descending lump of the nephroscope and hemostasis. The upper end of the raised electrode block 14 is an arc-shaped surface.

Fig. 6 is an enlarged schematic structural view of the pen holding type operating handle 2 provided in this embodiment,

in one embodiment, the operating handle is arranged as a pen-holding operating handle 2, and an operating switch 21 is arranged outside the pen-holding operating handle 2; the operation switch 21 is connected with the plasma joint 3 through a connecting wire 22; the connecting wire 22 and the pen holding type operating handle 2 can also be designed to be inserted, so that the assembly is convenient. The operation switch 21 comprises closing, electrocoagulation and electrosection, and can be performed in a plasma electrosection or electrocoagulation mode according to the operation condition in the using process, the electrosection is used for removing the tumor, the electrocoagulation and the hemostasis are performed on the wound surface, the electrocoagulation and the electrosection are switched on the operation switch 21 on the pen-holding type operation handle 2, and the electrocoagulation key and the electrosection key are activated by keys, so that the operation is more precise.

In one embodiment, the pen-holding type operating handle 2 is connected with a pedal structure control, the pedal control is provided with an operating switch 21, and the operating switch 21 comprises closing, electrocoagulation and electrocision; in the using process, the pedal structure is controlled through the pedal, so that the working mode of the electric cutting ring 1 is controlled.

The outside of the operating handle is insulated to avoid current burning during operation. The outer side wall of the pen-holding type operating handle 2 is provided with friction lines, so that the stability during taking operation is ensured.

The plasma joint 3 adopts a double-fork head, and the plasma joint 3 is directly and movably connected with plasma main machine equipment; the device is convenient for clinical use.

The length of the connecting line 22 is determined according to the distance between the operation area and the equipment, and is generally 1.5m-3.5m, preferably 2.5m; by utilizing the length of the connecting rod 11, the hemostatic device can perform hemostatic coagulation on all kidney tissue parts connected with the hemostatic device at the same time, thereby effectively preventing the bleeding problem caused by side injury due to the movement of the hemostatic device and reducing the bleeding complications of percutaneous nephroscope surgery.

The use principle is as follows: the plasma joint is connected with the existing plasma host equipment, the operation switch is controlled to be in an electrocoagulation mode or an electrotomy mode, current generates high heat through an electrotomy ring, and then the tissue is cut off, and other parts are all subjected to insulation treatment, so that the operation safety is guaranteed.

The above description of the embodiments is only intended to illustrate the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications will fall within the protection scope of the claims of the present invention.

Claims

1. A plasma hemostasis manipulator for a percutaneous nephroscope comprises a workpiece and an operating end, and is characterized in that the operating end is arranged as an operating handle; one end of the workpiece is provided with a connecting rod, and the operating handle is sleeved outside the connecting rod; the other end of the connecting rod is provided with a plasma joint, and the plasma joint is movably connected with the connecting rod.

2. The plasma hemostasis manipulator for percutaneous nephroscopy as claimed in claim 1, wherein the working member comprises a Y-shaped tube connected with the connecting rod, a supporting tube integrally connected with the Y-shaped tube respectively, and an electrotomy ring connected with the supporting tube.

3. The plasma hemostasis manipulator for percutaneous nephroscopes of claim 2, wherein the width of the resectoscope ring is 2-5mm, and the length of the connecting rod is 20-40cm.

4. The plasma hemostasis manipulator for a percutaneous nephroscope according to claim 2, wherein the support tube is provided with a ceramic layer at one end of the resectoscope ring, and the ceramic layer is a high temperature resistant ceramic layer as a separation layer with the resectoscope ring.

5. The plasma hemostasis manipulator for percutaneous nephroscopy according to claim 2, wherein the resectoscope ring is arranged in an omega shape, and the connecting part of the resectoscope ring and the support tube is angled.

6. The plasma hemostasis manipulator for percutaneous nephroscopy according to any one of claims 2 to 5, wherein a protruding electrode block is arranged on the side wall of the resectoscope ring, and the protruding electrode block is integrally connected with the resectoscope ring.

7. The plasma hemostasis operator for percutaneous nephroscopes of claim 6, wherein the upper end of the protruding electrode block is an arc-shaped surface.

8. The plasma hemostasis manipulator for percutaneous nephroscopes of any one of claims 2 to 5, wherein a cylindrical point protrusion is provided at one end of the support tube where the resectoscope ring is provided.

9. The plasma hemostasis manipulator for the percutaneous nephroscope according to claim 1, wherein the operating handle is arranged to be a pen-holding operating handle, and an operating switch is arranged outside the pen-holding operating handle; the operation switch is connected with the plasma joint through a connecting wire.

10. The plasma hemostasis manipulator for percutaneous nephroscopy as claimed in claim 9, wherein the outside of the manipulation handle is insulated.