Simple negative pressure suction conversion device applied to urinary calculus operation

Abstract

The utility model relates to the technical field of urinary calculus surgery, and discloses a simple negative pressure suction conversion device applied to urinary calculus surgery, which comprises a communicating pipe, an absorbing mechanism is fixedly arranged on the surface of the communicating pipe, and a filtering mechanism is fixedly arranged on the side surface of the absorbing mechanism in a penetrating manner; the absorbing mechanism comprises an absorbing part and a power part; the side surface of the absorbing part is fixedly connected with the side surface of the power part; the absorption part comprises an absorption hose, and an absorption head is fixedly arranged on the bottom surface of the absorption hose in a penetrating manner; the filtering mechanism comprises a filtering part and a connecting part; the side surface of the filtering part is fixedly connected with the side surface of the connecting part; the filtering part comprises a connecting pipe. By arranging the filtering mechanism, and arranging the device block and the baffle to work cooperatively, when the calculus and the flushing fluid are sucked and separated, the calculus cannot enter the communicating pipe again due to the problem of the flow direction of the internal flushing fluid, and the safety of an operation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of urinary calculus surgery, in particular to a simple negative pressure suction conversion device used in urinary calculus surgery. Background Art

[0002] The clinical manifestations of urinary stones vary depending on the location of the stones. The typical manifestations of kidney and ureteral stones are renal colic and hematuria. Before the colic caused by the stones, the patient does not feel anything. Due to some inducement, such as strenuous exercise, labor, long-distance driving, etc., severe colic in one side of the waist suddenly occurs.

[0003] A Chinese patent discloses a simple negative pressure suction conversion device for use in urinary stone surgery, with the publication number CN219398393U, which includes a horizontal tube, a vertical tube and a stone storage tube. The left end of the stone storage tube and the right end of the vertical tube are fixedly connected. A stone retaining net is provided on the inner side of the vertical tube, and a negative pressure regulating valve is provided on the outer side of the vertical tube. The negative pressure regulating valve enters the stone storage tube through the horizontal tube and cooperates with the stone retaining net on the vertical tube to facilitate storage of stones in the stone storage tube.

[0004] However, there are still the following disadvantages: when the simple negative pressure suction conversion device used in urinary stone surgery is performing stone suction conversion, it is easy to cause the stones to flow back along with the flushing fluid, affecting subsequent work. Therefore, a simple negative pressure suction conversion device used in urinary stone surgery is designed. Summary of the invention

[0005] The purpose of the utility model is to provide a simple negative pressure suction conversion device used in urinary stone surgery to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a simple negative pressure suction conversion device used in urinary stone surgery comprises a connecting pipe, an absorption mechanism is fixedly arranged on the surface of the connecting pipe, and a filtering mechanism is fixedly arranged on the side of the absorption mechanism;

[0007] The absorption mechanism comprises an absorption part and a power part, and the side surface of the absorption part and the side surface of the power part are fixedly connected;

[0008] The absorption part comprises an absorption hose, and an absorption head is fixedly provided on the bottom surface of the absorption hose;

[0009] The filtering mechanism comprises a filtering part and a connecting part, and the side surface of the filtering part and the side surface of the connecting part are fixedly connected through each other;

[0010] The filter part comprises a connecting pipe, a baffle is sealed inside the connecting pipe, and the inner wall of the connecting pipe and the side surface of the baffle are hinged by a hinge rod.

[0011] Preferably, an output pipe is fixedly provided on the right side of the connecting pipe, a threaded head is fixedly provided on the bottom surface of the connecting pipe, and the surface of the threaded head is threadedly connected to the top surface of the absorption hose.

[0012] Preferably, the interior of the absorption hose and the interior of the connecting pipe are connected through, and a sealing ring is provided on the surface sealing sleeve of the connecting pipe, and the bottom surface of the sealing ring is in sealing contact with the top surface of the absorption hose.

[0013] Preferably, a negative pressure regulating device is fixedly provided through the right end face of the output pipe, an output hose is fixedly provided through the right side face of the negative pressure regulating device, and the right end face of the output hose is fixedly connected to the side face of another threaded head.

[0014] Preferably, a backflow prevention device is provided inside the top end of the connecting pipe, and the side of the backflow prevention device is in frictional contact with the inner wall of the connecting pipe. The left end face of the connecting pipe is fixedly passed through the right side face of the connecting pipe, extends into the inside of the connecting pipe, and is connected with the inside of the connecting pipe.

[0015] Preferably, a device block is fixedly provided on the right end surface of the connecting pipe, the interior of the connecting pipe and the interior of the device block are connected through, the interior of the device block and the interior of the output pipe are connected through, and a filter screen is fixedly provided on the inner wall of the output pipe.

[0016] Preferably, a storage box is fixedly provided on the right side surface of the bottom end of the output tube, a sealing plug is sleeved on the right end surface of the storage box, and the right end surface of the storage box is in sealing contact with the inner wall of the sealing plug.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The simple negative pressure suction conversion device used in urinary stone surgery is provided with a filtering mechanism, and the device block and the baffle work together, so that when the stones and the flushing liquid are attracted and separated, the stones will not re-enter the connecting tube due to the flow direction of the internal flushing liquid, thereby improving the safety of the operation;

[0019] 2. The simple negative pressure suction conversion device used in urinary stone surgery is provided with a filter screen and a storage box to cooperate with each other, so that when the suction conversion of the flushing liquid and the stone is performed, the filter screen can effectively block the large and small stones, so that they will not pass through the filter screen into the output tube, so that the stones can be stored in the storage box for centralized collection and treatment;

[0020] 3. The simple negative pressure suction conversion device used in urinary stone surgery is provided with an absorption mechanism, and through the cooperation of a sealing ring and a threaded head, the entire absorption hose and the output hose can be quickly installed with external equipment, thereby facilitating subsequent surgical work, and through the effect of the sealing ring, the sealing performance of the connecting tube output is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional schematic diagram of the front structure of the utility model;

[0022] Figure 2 It is a three-dimensional cross-sectional schematic diagram of the front structure of the utility model;

[0023] Figure 3 It is a three-dimensional schematic diagram of the back structure of the utility model;

[0024] Figure 4 For this utility model Figure 2 A three-dimensional enlarged schematic diagram of the structure of the middle A area;

[0025] Figure 5 For this utility model Figure 2 A three-dimensional enlarged schematic diagram of the structure of area B in the middle.

[0026] In the figure: 1. connecting pipe; 2. absorption mechanism; 201. absorption hose; 202. adsorption head; 203. sealing ring; 204. output pipe; 205. threaded head; 206. negative pressure regulating device; 207. output hose; 3. filtering mechanism; 301. backflow prevention device; 302. connecting pipe; 303. device block; 304. baffle; 305. filter net; 306. storage box; 307. sealing plug. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0028] See also Figure 1-Figure 5As shown, a simple negative pressure suction conversion device used in urinary stone surgery includes a connecting tube 1, an absorption mechanism 2 is fixedly arranged on the surface of the connecting tube 1, and a filtering mechanism 3 is fixedly arranged on the side of the absorption mechanism 2; the absorption mechanism 2 includes an absorption part and a power part, and the side of the absorption part is fixedly connected with the side of the power part; the absorption part includes an absorption hose 201, the absorption hose 201 is made of a harmless hose, and an adsorption head 202 is fixedly arranged on the bottom of the absorption hose 201; the filtering mechanism 3 includes a filtering part and a connecting part, and the side of the filtering part is fixedly connected with the side of the connecting part; the filtering part includes a connecting tube 302, and a baffle 304 is sealed inside the connecting tube 302, and the inner wall of the connecting tube 302 and the side of the baffle 304 are hinged by a hinge rod;

[0029] During operation, when the stones and the flushing fluid enter the device block 303 through the connecting tube 302 , the baffle 304 is pushed open by the strong pressure, so that the stones and the flushing fluid enter the output tube 204 .

[0030] Furthermore, the right side of the connecting pipe 302 is fixedly provided with an output pipe 204, and the bottom surface of the connecting pipe 1 is fixedly provided with a thread head 205, the external thread of the thread head 205 corresponds to the internal thread of the absorption hose 201, and the surface of the thread head 205 is threadedly connected with the top surface of the absorption hose 201;

[0031] During operation, the threaded head 205 at the top of the absorption hose 201 and the bottom of the connecting pipe 1 are threadedly connected, and the sealing ring 203 is sleeved on the threaded connection, which improves the sealing performance on the one hand and makes the operating environment more hygienic on the other.

[0032] Furthermore, the inside of the absorbent hose 201 is connected to the inside of the connecting tube 1, and a sealing ring 203 is provided on the surface of the connecting tube 1. The sealing ring 203 improves the sealing performance on the one hand, and makes the surgical environment more hygienic on the other hand. The bottom surface of the sealing ring 203 is in sealing contact with the top surface of the absorbent hose 201;

[0033] During operation, the sealing ring 203 is sleeved on the threaded connection, which improves the sealing performance on the one hand and makes the operating environment more hygienic on the other hand.

[0034] Furthermore, a negative pressure regulating device 206 is fixedly provided on the right end surface of the output pipe 204, and the negative pressure regulating device 206 can effectively regulate the air pressure inside the connecting pipe 1. An output hose 207 is fixedly provided on the right side surface of the negative pressure regulating device 206, and the right end surface of the output hose 207 is fixedly connected to the side surface of another threaded head 205;

[0035] During operation, one end of the threaded head 205 of the output hose 207 is connected to an external medical device, and the absorption hose 201 is aligned with the inside of the patient's body, and absorption is performed through the absorption head 202 .

[0036] Furthermore, a backflow prevention device 301 is provided inside the top of the connecting pipe 1. The backflow prevention device 301 prevents the flushing fluid and stones from backflowing into the connecting pipe 1 due to the air pressure difference and causing danger. The side of the backflow prevention device 301 is in frictional contact with the inner wall of the connecting pipe 1. The left end face of the connecting pipe 302 is fixedly penetrated through the right side face of the connecting pipe 1 and extends to the inside of the connecting pipe 1 and is connected with the inside of the connecting pipe 1.

[0037] During operation, the stones and the flushing fluid enter the output tube 204 , and the anti-backflow device 301 is activated at the same time, which can effectively prevent the stones and the flushing fluid from returning to the inside of the connecting tube 1 .

[0038] Furthermore, a device block 303 is fixedly arranged on the right end surface of the connecting tube 302, the interior of the connecting tube 302 is connected to the interior of the device block 303, the interior of the device block 303 is connected to the interior of the output tube 204, and a filter 305 is fixedly arranged on the inner wall of the output tube 204, and the aperture of the filter 305 can effectively prevent stones of various sizes;

[0039] When working, the filter 305 is set to prevent stones from passing through and falling into the storage box 306.

[0040] Furthermore, a storage box 306 is fixedly provided on the right side of the bottom end of the output tube 204, and a sealing plug 307 is sleeved on the right end surface of the storage box 306. The sealing plug 307 can seal the opening of the storage box 306, and the right end surface of the storage box 306 is in sealing contact with the inner wall of the sealing plug 307;

[0041] During operation, the stones cannot pass through and fall into the storage box 306. The sealing plug 307 is opened to take out the stones inside, and the remaining liquid flushing fluid is output to the inside of the medical device through the output hose 207.

[0042] Working principle: When in use, firstly, the threaded head 205 at the top of the absorption hose 201 and the bottom of the connecting tube 1 are threadedly connected, and the sealing ring 203 is set on the threaded connection, which improves the sealing performance on the one hand and makes the surgical environment more hygienic on the other hand. Then, one end of the threaded head 205 of the output hose 207 is connected to the external medical equipment, and the absorption hose 201 is aimed at the inside of the patient's body, and adsorption is performed through the adsorption head 202. At the same time, the negative pressure regulating device 206 is started to adjust the air pressure inside the connecting tube 1, so that the stones in the patient's body pass through the absorption tube 201 and enter the connecting tube 1. The inside is cleaned by introducing flushing fluid in a timely manner. When the stones and the flushing fluid enter the device block 303 through the connecting tube 302, the baffle 304 is pushed open by strong pressure to allow the stones and the flushing fluid to enter the output tube 204. At the same time, the anti-backflow device 301 is started to effectively prevent the stones and the flushing fluid from returning to the inside of the connecting tube 1. Due to the filter net 305, the stones cannot pass through and fall into the storage box 306. The sealing plug 307 is opened to take out the stones inside. The remaining liquid flushing fluid is output to the inside of the medical device through the output hose 207.

[0043] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A simple negative pressure suction conversion device for use in urinary stone surgery, comprising a connecting tube (1), characterized in that: An absorption mechanism (2) is fixedly arranged on the surface of the connecting pipe (1), and a filtering mechanism (3) is fixedly arranged through the side of the absorption mechanism (2); The absorption mechanism (2) comprises an absorption part and a power part, and the side surface of the absorption part and the side surface of the power part are fixedly connected; The absorption part comprises an absorption hose (201), and an absorption head (202) is fixedly provided on the bottom surface of the absorption hose (201); The filtering mechanism (3) comprises a filtering portion and a connecting portion, and the side surface of the filtering portion and the side surface of the connecting portion are fixedly connected through each other; The filter unit comprises a connecting pipe (302), a baffle (304) is provided inside the connecting pipe (302) in a sealed manner, and an inner wall of the connecting pipe (302) and a side surface of the baffle (304) are hingedly connected by a hinge rod.

2. A simple negative pressure suction conversion device for urinary stone surgery according to claim 1, characterized in that: An output pipe (204) is fixedly provided through the right side of the connecting pipe (302), and a threaded head (205) is fixedly provided through the bottom surface of the connecting pipe (1). The surface of the threaded head (205) is threadedly connected to the top surface of the absorption hose (201).

3. The simple negative pressure suction conversion device used in urinary stone surgery according to claim 1 is characterized by: The interior of the absorption hose (201) and the interior of the connecting pipe (1) are connected through each other, and a sealing sleeve (203) is provided on the surface of the connecting pipe (1), and the bottom surface of the sealing sleeve (203) is in sealing contact with the top surface of the absorption hose (201).

4. The simple negative pressure suction conversion device used in urinary stone surgery according to claim 2 is characterized in that: A negative pressure regulating device (206) is fixedly provided through the right end surface of the output tube (204), an output hose (207) is fixedly provided through the right side surface of the negative pressure regulating device (206), and the right end surface of the output hose (207) is fixedly connected to the side surface of another threaded head (205).

5. The simple negative pressure suction conversion device used in urinary stone surgery according to claim 1 is characterized in that: A backflow prevention device (301) is provided inside the top end of the connecting pipe (1), and the side of the backflow prevention device (301) is in frictional contact with the inner wall of the connecting pipe (1). The left end face of the connecting pipe (302) is fixedly passed through the right side face of the connecting pipe (1), extends into the interior of the connecting pipe (1), and is connected to the interior of the connecting pipe (1).

6. The simple negative pressure suction conversion device used in urinary stone surgery according to claim 1 is characterized by: A device block (303) is fixedly arranged on the right end surface of the connecting pipe (302); the interior of the connecting pipe (302) and the interior of the device block (303) are connected in a through-connection manner; the interior of the device block (303) and the interior of the output pipe (204) are connected in a through-connection manner; and a filter screen (305) is fixedly arranged on the inner wall of the output pipe (204).

7. The simple negative pressure suction conversion device used in urinary stone surgery according to claim 2 is characterized by: A storage box (306) is fixedly provided on the right side surface of the bottom end of the output tube (204), a sealing plug (307) is sleeved on the right end surface of the storage box (306), and the right end surface of the storage box (306) is in sealing contact with the inner wall of the sealing plug (307).

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