CN211484787U - Hepatobiliary surgery clinical stone removing device - Google Patents

Abstract

The utility model discloses a clinical stone extraction device for hepatobiliary surgery, which comprises a Y-shaped joint, the Y-shaped joint comprises a hollow main branch and a branch, the upper end of the branch is provided with a joint, the lower end of the main branch is provided with a sheath tube, and the upper end of the Y-shaped joint is provided with a seal The cover, the sealing cover is provided with a through hole, the upper end of the Y-shaped joint is provided with an expansion tube which passes through the through hole of the sealing cover and enters the sheath tube. The joint is detachably connected to a collection bottle with an inner partition, a connecting pipe and a suction pipe on the outside, the inner partition of the collection bottle is connected, and the connecting pipe and the suction pipe are respectively connected with the inner partition of the collection bottle. Prevent the sheath tube from deforming and block the channel during negative pressure suction; the detachable spring reinforcement layer increases the sheath tube's anti-deformation ability, and at the same time, it is convenient to tear the sheath tube, and it is convenient to remove the sheath tube and prevent the kidney from being damaged when the sheath tube is removed. It can collect the broken stone fragments and prevent the collected fragments from blocking the suction channel.

Description

A clinical stone extraction device for hepatobiliary surgery

technical field

The utility model relates to the technical field of medical instruments, in particular to a clinical stone extraction device for hepatobiliary surgery.

Background technique

In the current percutaneous nephrolithotomy, it is necessary to use negative pressure suction to suck the broken stones from the sheath into the collection bottle outside the body. After the stone is cleared in the later stage of percutaneous nephrolithotomy, catheter drainage is required. ; When the gravel is cleaned, the gravel is sucked out of the sheath by negative pressure. The traditional sheath is easily deformed during negative pressure suction, causing gravel or tissue fragments to get stuck in the channel, resulting in excessive negative pressure and damage to organs. Serious influence; when the drainage tube is placed through the sheath after the stone removal is completed, the sheath cannot be withdrawn due to the joint of the drainage tube. The traditional method is to cut the sheath with a knife and take it out, which is easy to cause the sheath to move position, causing damage to the kidney, and it is easy to cut the drainage tube during cutting, resulting in damage to the drainage tube.

To sum up, the current percutaneous nephroscopic suction sheath has the following problems: during negative pressure suction, the sheath tube is easily deformed during negative pressure suction, causing gravel or tissue fragments to be stuck in the channel; when placing a drainage tube, the sheath tube is used for Knife incision is easy to cause displacement of the sheath tube, causing damage to the kidney, and it is easy to cut the drainage tube during cutting, resulting in damage to the drainage tube.

Utility model content

In order to solve the above problems, the utility model designs a clinical stone extraction device for hepatobiliary surgery. The sheath tube is reinforced to prevent deformation of the sheath tube during negative pressure suction, and the sheath tube is easy to take out when the drainage tube is placed.

In order to solve the above-mentioned technical problems and achieve the above-mentioned technical effects, the utility model is realized through the following technical contents:

A clinical stone extraction device for hepatobiliary surgery, comprising a Y-shaped joint, the Y-shaped joint comprises a hollow main branch and a branch, the upper end of the branch is provided with a joint, the lower end of the main branch is provided with a quick-change joint, and a sheath tube is arranged through the quick-change joint, The upper end of the Y-shaped joint is provided with a sealing cover, the sealing cover is provided with a through hole, and the upper end of the Y-shaped joint is provided with an expansion tube which passes through the through hole of the sealing cover and enters the sheath tube, and the sheath tube is provided with a detachable spring reinforcement layer The sheath tube can be torn, and the joint of the branch is detachably connected to a collection bottle with an internal partition, a connecting tube and a suction tube on the outside, and the internal partition of the collecting bottle is communicated, and the connecting tube and the suction tube are respectively connected with the inner part of the collecting bottle. Partition connectivity.

Further, the spring reinforcement layer is formed by a rectangular sheet surrounding into a cylindrical structure, and the interface is provided with a buckle that cooperates with each other and a pin inserted in the buckle, and the spring reinforcement layer is arranged inside the inner wall of the sheath tube, A pin opening is arranged on the outside of the sheath tube which communicates with the pin; the pin penetrates the end face of the sheath tube, a pin opening is provided on the pin facing the pin groove, and a tearing part is arranged on the sheath tube.

Further, the spring reinforcement layer is a cylindrical structure surrounded by two rectangular sheets, and the interface is provided with a buckle that cooperates with each other and a pin inserted in the buckle, and the spring reinforcement layer is arranged on the inner wall of the sheath tube. Inside the sheath tube, there is a pin groove communicating with the pin; the pin penetrates the end face of the sheath tube;

Further, the inside of the collection bottle is longitudinally divided into a collection area and a suction area by a filter screen, one end of the connecting pipe is connected with the collection area, the other end is connected with the branched joint, and the suction pipe is connected with the suction area; the collection bottle is connected with the suction area. The open end and the bottom end are respectively sealed with end caps and bottom caps through threads. The connecting pipe and the suction pipe are respectively installed on the end caps to communicate with the collection area and the suction area. The threads of the open end and the bottom end of the collection bottle are consistent.

Further, the branch is provided with a negative pressure control port.

The beneficial effects of the utility model are as follows: the deformation resistance of the sheath can be increased, the deformation of the sheath can block the channel when the negative pressure is sucked, and the high pressure generated after the blockage can cause harm to the human body; While increasing the deformation resistance of the sheath, it is convenient to tear the sheath, take out the sheath, and prevent the kidney from being damaged when the sheath is taken out; the broken stone fragments can be collected to prevent the collected fragments from blocking the suction channel.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the overall structure schematic diagram of a kind of hepatobiliary surgery clinical stone extraction device of the present utility model;

Figure 2 is a schematic structural diagram of a collection bottle of a clinical hepatobiliary surgery lithotripsy device of the present invention;

3 is a schematic diagram of the sheath tube structure of a clinical hepatobiliary surgery lithotripsy device of the present invention;

Fig. 4 is the sheath tube cross-sectional schematic diagram of a clinical hepatobiliary surgery lithotripsy device of the present invention;

In the accompanying drawings, the list of components represented by each number is as follows:

1-Y-shaped joint, 101-main branch, 102-branch, 103-negative pressure control port, 2-sealing cover, 3-sheath, 301-pin, 302-pin groove, 303-buckle, 304-spring Reinforcement layer, 4-expansion tube, 5-tear, 6-collecting bottle, 601-end cap, 602-bottom cap, 603-connecting tube, 604-suction tube.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, a clinical stone extraction device for hepatobiliary surgery includes a Y-shaped joint 1, and the Y-shaped joint 1 includes a hollow main branch 101 and a branch 102. The upper end of the branch 102 is provided with a joint, and the lower end of the main branch 101 is provided with a joint. There is a quick-change joint and a sheath tube 3 is provided through the quick-change joint. The upper end of the Y-shaped joint 1 is provided with a sealing cover 2, the sealing cover 2 is provided with a through hole, and the upper end of the Y-shaped joint 1 is provided with a through hole through the sealing cover 2 The expansion tube 4 of the sheath tube 3, the sheath tube 3 is provided with a detachable spring reinforcement layer 304 so that the sheath tube 3 can be torn, and the joint of the branch 102 is detachably connected to an internal partition and an external connection. The collection bottle 6 of the tube 603 and the suction tube 604 communicates with the inner section of the collection bottle 6 , and the connecting tube 603 and the suction tube 604 communicate with the inner section of the collection bottle 6 respectively.

The spring reinforcement layer 304 is a rectangular sheet surrounded by a cylindrical structure, and is provided with a buckle 303 that cooperates with each other and a pin 301 inserted in the buckle 303 at the interface. The spring reinforcement layer 304 is arranged on the inner wall of the sheath tube 3 The inside of the sheath tube 3 is provided with a pin groove 302 that communicates with the pin; the pin 301 penetrates the end face of the sheath tube 3, and the pin 301 facing the pin groove 302 is provided with a pin opening, and is connected to the sheath tube. 3 is provided with a tearing part 5 .

The spring reinforcement layer 304 is a cylindrical structure surrounded by two rectangular sheets, and is provided with a buckle 303 that cooperates with each other and a pin 301 inserted in the buckle 303 at the interface. The spring reinforcement layer 304 is arranged on the sheath tube. 3. Inside the inner wall of the sheath tube 3, and on the outside of the sheath tube 3, there is a pin groove 302 that communicates with the pin; The sheath tube 3 is provided with a tearing portion 5 .

The inside of the collection bottle 6 is longitudinally divided into a collection area and a suction area by a filter screen, one end of the connecting pipe 603 is connected with the collection area, the other end is connected with the joint of the branch 102, and the suction pipe 604 is connected with the suction area; the The open end and the bottom end of the collection bottle 6 are respectively provided with sealed end caps 601 and bottom caps 602 through threads. The connecting tube 603 and the suction tube 604 are respectively installed on the end cap 601 to communicate with the collection area and the suction area. The open end of the collection bottle 6 Consistent with the thread at the bottom.

The branch 102 is provided with a negative pressure control port 103 .

In order to describe the content of the present utility model more clearly, the following description is made below in conjunction with specific embodiments:

Example 1

The specific application of the utility model when it is used as a clinical stone extraction device for hepatobiliary surgery is as follows:

When using, insert the sheath tube with the expansion tube into the surgical site, pull out the expansion tube after reaching the stone site, place the scope of the endoscope into the stone site through the sheath tube, crush the stone through the working channel of the endoscope, and collect the collection bottle. The connecting pipe is connected with the branch joint, the suction pipe is connected with the negative pressure pump, and the negative pressure pump is connected to generate negative pressure to attract the broken stone fragments out, and the stone fragments are sucked to the branch through the channel of the sheath tube and reach the collection bottle , Since the inner sheath is provided with a spring reinforcement layer, it can prevent the sheath tube from deforming and causing the channel to block and damage to the human body during suction. It is blocked by the filter screen to prevent the stone fragments from being attracted to the negative pressure pump and causing damage; when the stone fragments are blocked by the filter screen in the collection area, the negative pressure generated by the negative pressure pump continues to attract the stone fragments through the mesh of the filter screen. , to complete the cleaning of the crushed stone; after the stone cleaning is completed, rotate and remove the end cap and bottom cover of the collection bottle, and turn the bottom cover to close the open end of the collection bottle, and seal the collection bottle, which is convenient for sending the stone fragments for inspection and testing. .

Example 2

Based on Embodiment 1, the specific application of the present utility model as a hepatobiliary surgery clinical stone extraction device when inserted into a drainage tube is as follows:

After the stone removal is completed, only the sheath tube is left as a channel on the human body, and the drainage tube is inserted through the sheath tube. After the drainage tube is placed in place, the pin is pushed out of the end face of the sheath tube through the pin groove on the sheath tube and the pin port on the pin. Take out the pin to release the connection of the spring reinforcement layer, pull the tearing part to tear the sheath tube and take it out to complete the placement of the drainage tube.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. This specification selects and describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a hepatobiliary surgery clinical stone device of getting, includes Y shape joint, Y shape joint includes hollow main tributary and branch, and the branch upper end is equipped with the joint, and the main tributary lower extreme is equipped with quick change coupler and is equipped with the sheath pipe through quick change coupler, and Y shape joint upper end is equipped with sealed lid, seals to be equipped with the through-hole on the lid, and Y shape joint upper end is equipped with the expansion pipe that passes sealed lid through-hole entering sheath pipe, its characterized in that: but be equipped with the spring back up coat that the split made the sheath pipe tearable on the sheath pipe, the branched joint detachable is connected with inside subregion, the outside and is equipped with the connecting pipe and attracts the receiving flask of pipe, and the inside subregion intercommunication of receiving flask, connecting pipe and attract the pipe respectively with the inside subregion intercommunication of receiving flask.

2. The hepatobiliary surgery clinical lithotomy device of claim 1, wherein: the spring reinforcing layer is a cylindrical structure surrounded by rectangular sheets, buckles matched with each other and a pin inserted in the buckles are arranged at the interface, the spring reinforcing layer is arranged inside the inner wall of the sheath tube, and a pin port communicated with the pin is arranged outside the sheath tube; the pin penetrates through the end face of the sheath tube, a pin opening is formed in the pin, which is opposite to the pin groove, and a tearing part is formed in the sheath tube.

3. The hepatobiliary surgery clinical lithotomy device of claim 1, wherein: the spring reinforcing layer is a cylindrical structure surrounded by two rectangular sheets, a buckle matched with each other and a pin inserted in the buckle are arranged at an interface, the spring reinforcing layer is arranged inside the inner wall of the sheath tube, and a pin groove communicated with the pin is arranged outside the sheath tube; the pin penetrates through the end face of the sheath tube, a pin opening is formed in the pin, which is opposite to the pin groove, and a tearing part is formed in the sheath tube.

4. The hepatobiliary surgery clinical lithotomy device of claim 1, wherein: the interior of the collecting bottle is longitudinally divided into a collecting area and a suction area by a filter screen, one end of a connecting pipe is communicated with the collecting area, the other end of the connecting pipe is connected with a branched joint, and a suction pipe is communicated with the suction area; the collecting bottle is characterized in that the open end and the bottom end of the collecting bottle are respectively provided with a sealed end cover and a sealed bottom cover through threads, the connecting pipe and the suction pipe are respectively arranged on the end covers and communicated with the collecting area and the suction area, and the threads of the open end and the bottom end of the collecting bottle are consistent.

5. The hepatobiliary surgery clinical lithotomy device of claim 1, wherein: and a negative pressure control port is arranged on the branch.

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