WO2019104662A1 - Medical water jet having visual function - Google Patents

Abstract

A medical water jet (1) having a visual function, comprising a pump body assembly (11), a water jet assembly (12), a sheath tube (13) and an endoscope assembly (14); the pump body assembly (11) comprises a pump body (11) and a high pressure pipe (112); the pump body is provided with a liquid inlet and a liquid outlet, the liquid inlet being connected to an external liquid, and an end of the high pressure pipe (112) being connected to the liquid outlet; the water jet assembly (12) is connected to another end of the high pressure pipe, and the water jet assembly (12) is sleeved within the sheath tube (13), the sheath tube (13) being located at a side of the high pressure pipe (112); the endoscope assembly (14) is connected to the sheath tube (13), and the endoscope assembly (14) is located at a side of the water jet assembly (12); the endoscope assembly (14) corresponds to the water jet assembly (12), and the endoscope assembly (14) is connected to an external workstation. By using the medical water jet having a visual function, doctors and observers may visually observe the surgical site of a patient, making it easier to observe operation conditions, and improving the safety of operations.

Description

Medical waterjet with visual function Technical field

The invention relates to the technical field of medical waterjet instruments, and in particular to a medical waterjet with a visual function.

Background technique

Lumbar disc herniation is a common and frequently-occurring disease with an incidence of 15% in the population. At present, the main clinical treatment methods include conservative treatment, surgical treatment, and minimally invasive treatment. 80% to 90% of patients can be relieved after non-surgical treatment, but 10% to 20% of patients still need surgery, and with the rapid development of science and technology, medical level, minimally invasive treatment becomes spinal surgery for the treatment of the lumbar The trend of disc herniation, minimally invasive treatment has the advantages of small damage, good effect and quick recovery, which has become the development direction of spinal surgery. At present, the existing minimally invasive treatment is performed by a doctor using a conventional scalpel. The doctor needs to perform automatic or manual nucleus sputum aspiration or resection. The operation process cannot be completely controlled, and the disc and vertebral body are easily damaged.

Summary of the invention

In order to solve the above technical problem, the present invention provides a medical waterjet with a visual function, which comprises:

A pump body assembly comprising:

a pump body having a liquid inlet and a liquid outlet;

a high pressure pipe, one end of the high pressure pipe is connected to the liquid outlet;

a water knife assembly connected to the other end of the high pressure pipe;

a sheath tube, the water knife assembly is sleeved on the sheath tube, and the sheath tube is located on one side of the high pressure tube;

An endoscope assembly that is coupled to the sheath and is located on one side of the waterjet assembly, the endoscope assembly corresponding to the waterjet assembly.

According to an embodiment of the invention, the water knife assembly is connected to the high pressure pipe by a threaded connection or a quick joint connection or bonding.

According to an embodiment of the present invention, the water jet assembly includes a liquid inlet pipe, a return pipe, an outer pipe and a cutter head. The inlet of the liquid inlet pipe is connected to the other end of the high pressure pipe through the sheath pipe, and the return pipe is sleeved in the liquid inlet pipe. The utility model is disposed between the sheath tube and the high pressure pipeline, and the outer tube is connected to the return pipe through the adapter, the inlet pipe is sleeved on the outer pipe, the cutter head is arranged at the outlet of the inlet pipe, and the cutter head corresponds to the endoscope assembly.

According to an embodiment of the invention, the inlet of the inlet pipe through the sheath is connected to the other end of the high pressure pipe by welding or bonding or screwing.

According to an embodiment of the present invention, the endoscope assembly includes a camera, an LED lamp, and a USB connection line. The camera is disposed on the sheath tube and corresponds to the cutter head. The LED lamp is disposed on the sheath tube and is located at one side of the camera. The wire runs through the sheath and the return tube to connect the camera to the external workstation.

According to an embodiment of the present invention, the camera is disposed on the sheath in a manner of welding or bonding or riveting.

According to an embodiment of the present invention, the endoscope assembly includes a camera, an LED lamp, and a wireless transmitter. The camera is disposed on the sheath tube and corresponds to the cutter head. The LED lamp is disposed on the sheath tube and is located at one side of the camera. Corresponding to the camera and the cutter head, the wireless transmitter is disposed in the sheath tube, the wireless transmitter is connected to the camera through a wire, and the wireless transmitter corresponds to the external workstation.

According to an embodiment of the invention, the medical waterjet with visual function further comprises a handle, the high pressure pipeline, the waterjet assembly, the sheath tube and the endoscope assembly are sleeved on the handle, and the handle is located between the pump body and the sheath tube .

The medical water knife with visual function of the invention can directly observe the surgical site of the patient by the doctor and the viewer, so that the doctor and the viewer can more conveniently observe the operation condition and increase the safety of the operation.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the present application, and are intended to be a part of this application. In the drawing:

1 is a perspective structural view of a medical waterjet with a visual function according to a first embodiment of the present invention;

2 is a schematic cross-sectional view showing a medical waterjet with a visual function according to Embodiment 1 of the present invention;

3 is a perspective structural view showing a water knife assembly and a pump body assembly according to Embodiment 1 of the present invention;

Figure 4 is a partial enlarged view of Figure 2 of the first embodiment of the present invention;

FIG. 5 is a schematic diagram of an endoscope assembly according to Embodiment 1 of the present invention.

Description of the reference signs:

1. Medical waterjet with visual function; 11, pump body assembly; 111, pump body; 112, high pressure pipeline; 12, waterjet assembly; 121, inlet pipe; 122, return pipe; 123, outer pipe; , cutter head; 125, adapter; 13, sheath tube; 14, endoscope assembly; 141, camera; 142, LED lights; 143, USB cable; 15, handle.

Detailed ways

In the following, various embodiments of the invention are disclosed in the drawings. However, it should be understood that these practical details are not intended to limit the invention. That is, in some embodiments of the invention, these practical details are not necessary. In addition, some of the conventional structures and components are shown in the drawings in a simplified schematic manner in order to simplify the drawings.

The use of "first", "second", etc., as used herein, does not specifically mean the order or the order, and is not intended to limit the invention, but merely to distinguish between components or operations described in the same technical terms. .

The invention relates to a related design of a medical waterjet with a visual function. In a first aspect, the medical waterjet with visual function of the present invention is very suitable for minimally invasive surgery for lumbar disc herniation, so that the doctor can use the doctor to cut, ablate, peel or remove the lumbar intervertebral disc, and the surgical procedure is quick and simple. The target is more clear and quantified, the operation time is shorter, the treatment is more reliable, the operation is completely controllable, and there is no physical, chemical, biological and other factors negative damage to the intervertebral disc and the vertebral body; the second aspect, the invention has the visible The functional medical waterjet is also suitable for use in a variety of other surgical minimally invasive procedures. When the medical waterjet with visual function of the present invention is used on patients of various surgical minimally invasive surgery, the medical waterjet with visual function is passed through a high pressure liquid. In addition, the embodiment of the medical waterjet with visual function provided by the present invention can be Combined with external workstations of various configurations, doctors and viewers can visually observe the surgical site of the patient, so that doctors and viewers can more easily observe the operation and increase the safety of the operation.

In order to make the present invention easier to understand, the medical waterjet with visual function of the present invention and its benefits will be further described in detail below with reference to eleven specific embodiments. It should be noted that, in the following eleven specific embodiments, the medical water knife with visual function is mainly used for the high-pressure liquid in the lumbar disc herniation or the minimally invasive surgery for various surgical minimally invasive surgery. The description is made, but this does not constitute a limitation of the invention. When a normal liquid is introduced, the medical waterjet with visual function works and the benefits are basically the same as when the high-pressure liquid is introduced, but the purpose of use is different. Herein, when the liquid is a high-pressure liquid, the high-pressure liquid includes a high-pressure water flow or a high-pressure physiological saline flow or other high-pressure liquid flow, and the type of the high-pressure liquid in the medical waterjet with visual function is operated according to the medical waterjet with visual function. The type or physicochemical properties of the object to be cut are flexibly selected.

1 and FIG. 2, FIG. 1 is a perspective structural view of a medical waterjet 1 having a visual function according to a first embodiment of the present invention, and FIG. 2 is a medical waterjet 1 having a visual function according to a first embodiment of the present invention. Schematic diagram of the section. As shown in the figure, in the first embodiment of the present invention, the medical waterjet 1 having a visual function includes a pump body assembly 11, a water jet assembly 12, a sheath tube 13, and an endoscope assembly 14. The pump body assembly 11 includes a pump body 111 and a high pressure pipe 112. The pump body 111 has a liquid inlet port and a liquid outlet port. The liquid inlet port is connected to the external liquid, and one end of the high pressure pipe 112 communicates with the liquid outlet port. The water jet assembly 12 is coupled to the other end of the high pressure conduit 112. The water jet assembly 12 is sleeved on the sheath tube 13 and the sheath tube 13 is located on one side of the high pressure conduit 112. The endoscope assembly 14 is coupled to a sheath 13 that is located on one side of the waterjet assembly 12, the endoscope assembly 14 corresponding to the waterjet assembly 12, and the endoscope assembly 14 coupled to an external workstation. The external liquid supplies liquid to the pump body 111, the pump body 111 pressurizes the liquid to a predetermined pressure, and the pump body 111 delivers a predetermined pressure of liquid through the high pressure pipe 112 to the water jet assembly 12, and the water jet assembly 12 cuts and ablates the patient's lumbar intervertebral disc. , stripping or cleaning, etc. During the cutting, ablation, peeling or removal of the patient's lumbar disc by the water jet assembly 12, the endoscope assembly 14 captures the patient's lumbar intervertebral disc in real time, and the endoscope assembly 14 transmits the photographing situation to an external workstation, the doctor and the observer. The operation of the patient's lumbar intervertebral disc is observed in real time through an external workstation, which increases the safety of the operation.

3 and FIG. 4, FIG. 3 is a perspective structural view showing the water knife assembly 12 and the pump body assembly 11 according to the first embodiment of the present invention, and FIG. 4 is a partial enlarged view of FIG. 2 according to the first embodiment of the present invention. As shown, the water jet assembly 12 includes a liquid inlet tube 121, a return tube 122, an outer tube 123, and a cutter head 124. The inlet of the inlet pipe 121 is connected to the other end of the high pressure pipe 112 through the sheath pipe 13. The return pipe 122 is sleeved in the inlet pipe 121, the return pipe 122 is located between the sheath pipe 13 and the high pressure pipe 112, and the outer pipe 123 passes through the adapter 125. The return tube 122 is connected, the inlet tube 121 is sleeved on the outer tube 123, the cutter head 124 is disposed at the outlet of the inlet tube 121, and the cutter head 124 corresponds to the endoscope assembly 14.

Referring to FIG. 5 again, it is a schematic diagram of an endoscope assembly 14 according to Embodiment 1 of the present invention. As shown, the endoscope assembly 14 includes a camera 141, an LED light 142, and a USB connection line 143. The camera 141 is disposed on the sheath tube 13, the camera 141 corresponds to the cutter head 124, the LED lamp 142 is disposed on the sheath tube 13, the LED lamp 142 is located on one side of the camera 141, and the USB connection line 143 is connected to the camera 141 through the sheath tube 13 and the return tube 122. External workstation. The data captured by the camera 141 is transmitted by the USB cable 143, and the connection mode is stable, and the transmission data is not easily disturbed by the outside.

Referring to FIG. 1 , the medical waterjet 1 with visual function further includes a handle 15 . The pump body assembly 11 , the water jet assembly 12 , the sheath tube 13 and the endoscope assembly 14 are all sleeved on the handle 15 , and the handle 15 is located in the pump body. Between 111 and the sheath 13. The handle 15 is convenient for the doctor to hold the medical water knife 1 having the visual function, the fixed pump body assembly 11, the water jet assembly 12, the sheath tube 13 and the endoscope assembly 14 to prevent the foreign object from colliding with the pump body assembly 11 and the water knife assembly 12 The sheath tube 13 and the endoscope assembly 14 cause damage to the medical water knife 1 having a visual function.

In the second embodiment of the present invention, the endoscope assembly 14 includes a camera 141, an LED lamp 142, and a wireless transmitter (not shown). The camera 141 is disposed on the sheath 13. The camera 141 corresponds to the cutter 124, and the LED lamp 142 is disposed on the sheath. The tube 13 and the LED lamp 142 are located on one side of the camera 141. The LED lamp 142 corresponds to the camera 141 and the cutter head 124. The wireless transmitter is disposed on the sheath tube 13. The wireless transmitter is connected to the camera 141 through a wire, and the wireless transmitter corresponds to an external workstation. The difference between the second embodiment and the first embodiment is that the second embodiment uses a wireless transmitter as a signal transmission mode. The wireless transmitter transmits the data captured by the camera 141 to achieve big data sharing and ensure the success rate of the operation.

In the third embodiment of the present invention, the structure of the pump body assembly 11, the water jet assembly 12, the sheath tube 13 and the endoscope assembly 14 is the same as that of the first embodiment. The connection mode of the water jet assembly 12 to the high pressure pipe 112 is a screw connection. With the screw connection, the water jet assembly 12 is firmly connected to the high pressure pipe 112, the connection is fast, the water jet assembly 12 and the high pressure pipe 112 are quickly disassembled, and the pump body assembly 11 can be repeatedly used for recycling, reducing the cost of the patient and reducing the economy of the patient. burden.

In the fourth embodiment of the present invention, the structure of the pump body assembly 11, the water jet assembly 12, the sheath tube 13 and the endoscope assembly 14 is the same as that of the first embodiment, and the difference from the third embodiment is that the water jet assembly 12 is connected to the high pressure pipeline. The connection method of 112 is a quick connector connection. With the quick joint connection, the water jet assembly 12 is firmly connected to the high pressure pipe 112, and the connection is fast, the water jet assembly 12 and the high pressure pipe 112 are quickly disassembled, and the pump body assembly 11 can be repeatedly used for disinfection and recycling, thereby reducing the cost of the patient and reducing the patient's cost. economic burden.

In the fifth embodiment of the present invention, the structure of the pump body assembly 11, the water jet assembly 12, the sheath tube 13 and the endoscope assembly 14 is the same as that of the first embodiment, and the difference from the fourth embodiment is that the water jet assembly 12 is connected to the high pressure pipeline. The connection method of 112 is bonding. By using the bonding, the water jet assembly 12 is firmly connected to the high pressure pipe 112, the connection is fast, the water jet assembly 12 and the high pressure pipe 112 are quickly disassembled, and the pump body assembly 11 can be repeatedly used for recycling, reducing the cost of the patient and reducing the economy of the patient. burden.

In the sixth embodiment of the present invention, the structure of the pump body assembly 11, the water jet assembly 12, the sheath tube 13 and the endoscope assembly 14 is identical to that of the first embodiment. The inlet of the inlet tube 121 is connected to the sheath tube 13 and connected to the high pressure conduit 112. The connection at the other end is soldering. By welding, the inlet of the inlet pipe 121 is connected to the other end of the sheath pipe 13 connected to the high-pressure pipe 112 to stabilize the production time and production cost of the medical waterjet 1 having the visual function, and is used in the medical waterjet 1 having the visual function. During the process, the inlet of the inlet pipe 121 is not easily loosened through the other end of the sheath pipe 13 connected to the high pressure pipe 112.

In the seventh embodiment of the present invention, the structure of the pump body assembly 11, the water jet assembly 12, the sheath tube 13 and the endoscope assembly 14 is the same as that of the first embodiment, and the difference from the sixth embodiment is that the inlet of the liquid inlet tube 121 runs through. The other end of the sheath tube 13 connected to the high pressure pipe 112 is joined by bonding. By bonding, the inlet of the inlet pipe 121 is stabilized through the other end of the sheath tube 13 connected to the high pressure pipe 112, further reducing the production time and production cost of the medical waterjet 1 having the visual function.

In the eighth embodiment of the present invention, the structure of the pump body assembly 11, the water jet assembly 12, the sheath tube 13 and the endoscope assembly 14 is the same as that of the first embodiment, and the difference from the seventh embodiment is that the inlet of the liquid inlet tube 121 runs through. The other end of the sheath tube 13 connected to the high pressure pipe 112 is connected by a screw connection. With the screw connection, the inlet of the inlet pipe 121 is connected to the other end of the high pressure pipe 112 through the sheath tube 13 to quickly reduce the assembly time of the medical water knife 1 having the visual function, thereby reducing the production cost of the enterprise.

In the ninth embodiment of the present invention, the structure of the pump body assembly 11, the water jet assembly 12, the sheath tube 13, and the endoscope assembly 14 is the same as that of the first embodiment. The manner in which the camera 141 is disposed on the sheath tube 13 is welding. By welding, the camera 141 is firmly connected to the sheath 13, and the medical water knife 1 having a visual function is used for a long time, and the camera 141 and the sheath 13 are not easily loosened.

In the tenth embodiment of the present invention, the structure of the pump body assembly 11, the water jet assembly 12, the sheath tube 13 and the endoscope assembly 14 is the same as that of the first embodiment, and the difference from the nine implementation is that the camera 141 is disposed on the sheath tube 13. The way is bonding. By using the bonding, the camera 141 is quickly connected to the sheath tube 13 to facilitate the disassembly and assembly of the sheath tube 13 and the endoscope assembly 14, thereby reducing the production cost of the enterprise, and is suitable for mass production and application of the medical waterjet 1 having a visual function.

In the eleventh embodiment of the present invention, the structure of the pump body assembly 11, the water jet assembly 12, the sheath tube 13 and the endoscope assembly 14 is the same as that of the first embodiment, and the difference from the tenth embodiment is that the camera 141 is disposed on the sheath tube. The way of 13 is riveting. By riveting, the camera 141 is quickly connected to the sheath 13 to reduce the production cost of the enterprise, and is suitable for mass production and application of the medical waterjet 1 with visual function.

In summary, in one or more embodiments of the present invention, the medical waterjet with visual function of the present invention allows doctors and viewers to visually observe the surgical site of the patient so that the doctor and the viewer can more easily observe the operation. The situation increases the safety of the operation.

The above is only an embodiment of the present invention and is not intended to limit the present invention. It will be apparent to those skilled in the art that various modifications and changes can be made in the present invention. Any modifications, equivalents, improvements, etc. made within the spirit and scope of the invention are intended to be included within the scope of the appended claims.

Claims (8)

A medical waterjet with visual function, comprising: A pump body assembly comprising: a pump body having a liquid inlet and a liquid outlet; a high pressure pipe, one end of the high pressure pipe is connected to the liquid outlet; a water knife assembly connected to the other end of the high pressure pipe; a sheath, the waterjet assembly being sleeved on the sheath, the sheath being located on one side of the high pressure conduit; An endoscope assembly coupled to the sheath and located on one side of the waterjet assembly, the endoscope assembly corresponding to the waterjet assembly. The medical waterjet with visual function according to claim 1, wherein the water knife assembly is connected to the high-pressure pipe by a screw connection or a quick joint connection or bonding. The medical waterjet with visual function according to claim 1, wherein the waterjet assembly comprises a liquid inlet tube, a return tube, an outer tube and a cutter head, and an inlet of the inlet tube runs through the sheath a tube is connected to the other end of the high-pressure pipe, the return pipe is sleeved in the liquid inlet pipe, and is located between the sheath pipe and the high-pressure pipe, and the outer pipe is connected to the return pipe through a joint. The inlet tube is sleeved on the outer tube, and the cutter head is disposed at an outlet of the inlet tube, and the cutter head corresponds to the endoscope assembly. The medical waterjet with visual function according to claim 3, wherein the inlet of the inlet pipe is connected to the other end of the high pressure pipe through the sheath pipe by welding or bonding or threading. connection. The medical waterjet with visual function according to claim 3, wherein the endoscope assembly comprises a camera, an LED lamp and a USB connecting line, and the camera is disposed on the sheath tube and corresponds to the a cutter head, the LED lamp is disposed on the sheath tube and located at one side of the camera, and the USB connecting line connects the camera and the external workstation through the sheath tube and the return tube. The medical waterjet with a visual function according to claim 5, wherein the camera is placed on the sheath in such a manner as to be welded or bonded or riveted. The medical waterjet with visual function according to claim 1, wherein the endoscope assembly comprises a camera, an LED lamp and a wireless transmitter, and the camera is disposed on the sheath tube and corresponds to the a cutter head, the LED lamp is disposed on the sheath tube and located at one side of the camera, the LED lamp corresponds to the camera and the cutter head, and the wireless transmitter is disposed on the sheath tube The wireless transmitter is connected to the camera by wires, and the wireless transmitter corresponds to the external workstation. The medical waterjet with visual function according to claim 1, further comprising a handle, wherein the high pressure pipe, the water jet assembly, the sheath tube and the endoscope assembly are sleeved on the handle, A handle is located between the pump body and the sheath.

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