CN115554571A

CN115554571A - Needle head fixing structure of hydrops extracting device for oncology department

Info

Publication number: CN115554571A
Application number: CN202211274811.1A
Authority: CN
Inventors: 杨蔷
Original assignee: Individual
Current assignee: Liyang Traditional Chinese Medicine Hospital
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-03
Anticipated expiration: 2042-10-18
Also published as: CN115554571B

Abstract

The invention relates to a needle fixing structure of a hydrops extraction device for an oncology department. This syringe needle fixed knot of hydrops draw-out device for oncology constructs, including support body and needle tubing, the surface of support body is equipped with the negative pressure pump, the output of negative pressure pump passes through the drainage tube and links to each other with the needle tubing, the needle tubing includes the portion of inserting, replacement portion and connecting portion, the tip of replacement portion links to each other with the drainage tube, the portion of inserting can dismantle with the replacement portion through connecting portion and is connected, the portion of inserting includes outer tube and interior sleeve pipe, interior sheathed tube one end and connecting portion link to each other, the other end is accomodate with the outer tube inside, the one end that the interior sleeve pipe is close to the needle mouth is equipped with the portion of expanding, replacement portion and outer tube threaded connection, the portion of replacing rotates, interior sleeve pipe stretches out to the outer tube outside, the portion of expanding expands and forms the flaring form, the reverse rotation of replacement portion, interior sleeve pipe reverse movement, entangle the needle mouth; this hydrops draw-out device's for oncology syringe needle fixed knot constructs when changing and holding the pipe, can avoid the syringe needle to extract the human body or go deep into the human condition and take place.

Description

Needle head fixing structure of effusion extraction device for oncology department

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a needle fixing structure of a hydrops extracting device for an oncology department.

Background

The tumor is characterized in that local histiocyte of a human body is proliferated to form a new organism under the action of various tumorigenic factors, and primary or metastatic tumors can cause too much pleural fluid to form pleural effusion symptoms, the amount of the fluid in the pleural cavity of the human body is only 5-15 ml under a normal state, and when a serious pleural effusion state occurs, the fluid in the pleural cavity of the human body can reach 500 ml, so that the human body is in a short breath, chest distress, palpitation and dyspnea state, wherein when the pleural effusion is excessive, a large amount of the effusion is accumulated in the pleural cavity to force the gap of the pleural cavity to be enlarged, and the organ is extruded, wherein, in order to relieve pain and detect the components of the effusion, whether the interior contains tumor cells or not is judged, the pleural effusion needs to be extracted for detection, when the existing pleural effusion is extracted, a needle tube needs to be inserted into a pleural cavity, the pleural effusion in the pleural cavity is extracted through the needle tube, but the volume of the needle tube is limited, the pleural effusion in the pleural cavity cannot be completely extracted at one time, the accommodating tube needs to be frequently replaced, after the accommodating tube is separated from the needle, the unused accommodating tube is butted with the needle, but the separated needle is only inserted into a human body and is not fixed, so when the accommodating tube is installed, the situation that the needle is separated or goes deeper into the human body can be caused, if the needle is separated from the human body, medical personnel needs to be inserted again, the workload of medical personnel is increased, and a patient can suffer once again; if the needle head is deeper into the human body, the needle head easily penetrates through the pleural cavity to damage other visceral organs, and pleural effusion is caused to spread to cause unnecessary infection to the human body.

Disclosure of Invention

The invention aims to solve the problems and provide a needle fixing structure of the effusion extraction device for the oncology department, which has a simple structure and a reasonable design.

The invention realizes the purpose through the following technical scheme:

the syringe needle fixed knot who uses hydrops draw-out device for oncology department constructs, including support body and needle tubing, the surface of support body is equipped with the negative pressure pump, the output of negative pressure pump passes through the drainage tube and links to each other with the needle tubing, the needle tubing includes the portion of inserting, replacement portion and connecting portion, the tip of replacement portion links to each other with the drainage tube, the portion of inserting passes through connecting portion and can dismantle with replacement portion and be connected, the portion of inserting includes outer tube and interior sleeve pipe, interior sheathed tube one end links to each other with connecting portion, the other end is accomodate inside with the outer tube, the one end that interior sleeve pipe is close to the needle mouth is equipped with expansion portion, replacement portion and outer tube threaded connection, replacement portion rotates, interior sleeve pipe stretches out to the outer tube outside, expansion portion expands and forms the flaring form, expansion portion parcel area after the expansion is greater than the needle mouth region, reverse the replacement portion of twisting, interior sleeve pipe reverse movement, entangle the needle mouth.

As a further optimization scheme of the invention, the drainage tube is a flexible rubber tube, and the drainage tube is in a spiral shape in an initial state.

As a further optimization scheme of the invention, the center of the connecting part is communicated with the connecting hole, the inner wall of the connecting hole is divided into a smooth section and a threaded section, and the replacing part is communicated with the smooth section of the connecting part.

As a further optimized proposal of the invention, the pipe orifice part of the inner sleeve close to the needle orifice is provided with an outer convex top block.

As a further optimization scheme of the invention, the surface of the inner sleeve is provided with a communicating ring, the surface of the communicating ring close to the needle opening is connected with a rubber sleeve, and the expansion part is connected with the end face of the rubber sleeve.

As a further optimization scheme of the invention, the air guide tube is arranged in the rubber sleeve, the expansion bag part is arranged on the surface of the rubber sleeve, the air guide tube is communicated with the expansion bag part, after the inner sleeve extends out of the outer tube, air is injected into the expansion bag part through the air guide tube, and the expansion bag part moves towards the needle opening of the outer tube.

As a further optimization scheme of the invention, a gas injection pipe is arranged in the connecting part and is communicated with the gas guide pipe, and a gas injection piece is also arranged outside the frame body and is communicated with the gas injection pipe.

As a further optimization scheme of the invention, the unfolding part comprises an outer wrapping sleeve and an inner supporting assembly, the outer wrapping sleeve is connected with the rubber sleeve, the outer wrapping sleeve is sleeved on the inner supporting assembly, the inner supporting assembly comprises a plurality of separating rods, connecting blocks are arranged between the adjacent separating rods, openings for the separating rods to pass through are formed in the surface of each connecting block, and the separating rods are connected with the connecting blocks through elastic pieces.

As a further optimization scheme of the invention, the separating rods are stacked up and down and are arc-shaped, pushing blocks are arranged at two ends of each separating rod, and a plurality of separating rods are combined to form a ring.

As a further optimization scheme of the invention, the surface of the connecting block is also provided with a traction air bag, two ends of the traction air bag are respectively connected with the pushing blocks penetrating through the surfaces of the two separating rods of the connecting block, and the air guide tubes of the traction air bag are communicated.

The invention has the beneficial effects that: according to the invention, by arranging the unfolding part, when the unfolding part extends out of the outer pipe, the elastic part is unfolded to drive the adjacent separating rods to be separated from each other, so that the opening of the unfolding part is enlarged and larger than the caliber of the outer pipe, and when the unfolding part is unfolded, the unfolding part is extruded by the convex top block, so that the opening of the unfolded unfolding part inclines outwards to form a horn shape, and the outer pipe can be accurately wrapped when the unfolded unfolding part moves backwards;

according to the invention, the inner sleeve is arranged, the gas injection piece injects gas into the gas guide tube through the gas injection tube, the expansion bag piece is inflated and expanded, the expansion bag piece extends towards the needle opening direction of the outer tube, and then the angle is formed between the extended expansion bag piece and the rubber sleeve, so that the included angle-shaped expansion bag piece and the rubber sleeve can well wrap the head of the outer tube along with the movement of the inner sleeve, after the head of the outer tube is wrapped, the caliber of the insertion part is increased, and further when the needle tube is pulled outwards, the needle tube with the increased caliber cannot be pulled out easily, after the outer tube is wrapped, the convex top block can press the rubber sleeve, the separation of the rubber sleeve sleeved outside the needle tube from the outer tube can be avoided, and when the needle tube is stressed to move towards the inside of a human body, the needle tube can be prevented from further penetrating into the human body, penetrating through the pleural cavity of visceral organs, damaging other pleural effusion and causing diffusion.

Drawings

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

FIG. 2 is a schematic front view of the FIG. 1 embodiment of the present invention;

FIG. 3 is a schematic top view of the FIG. 1 structure of the present invention;

FIG. 4 is a schematic view of the construction of the needle cannula of the present invention;

FIG. 5 is a schematic view showing a state where the needle cannula of the present invention is inserted into the pleural cavity;

FIG. 6 is a schematic view of the needle cannula of the present invention with the inner cannula extended after insertion into the pleural cavity;

FIG. 7 is a schematic view showing the state of the inner cannula covering the outer tube after the needle cannula of the present invention is inserted into the pleural cavity;

FIG. 8 is a schematic view of the mating of the outer tube and the inner sleeve of the present invention;

FIG. 9 is a schematic representation of the inflated state of the inflatable bladder member of the present invention;

FIG. 10 is a schematic view of the construction of the inner casing wrapped outer tube of the present invention;

FIG. 11 is a schematic view of the structure of the development part of the present invention;

fig. 12 is a schematic view of the mating of the separator rods of the present invention.

In the figure: 1. a frame body; 2. a negative pressure pump; 3. a drainage tube; 4. a needle tube; 41. an insertion section; 411. an outer tube; 412. an inner sleeve; 413. a convex top block; 414. a rubber sleeve; 415. an air duct; 416. an inflation bladder member; 417. a communication ring; 42. a replacement part; 421. a gas injection pipe; 43. a connecting portion; 44. an unfolding part; 441. wrapping the outer layer with a wrapping sleeve; 442. a separating lever; 4421. pushing the block; 443. connecting blocks; 444. an opening; 445. an elastic member; 446. and (5) a traction air bag.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1 to 12, a needle fixing structure of an effusion extraction device for oncology department includes a frame body 1 and a needle tube 4, a negative pressure pump 2 is arranged on the surface of the frame body 1, an output end of the negative pressure pump 2 is connected with the needle tube 4 through a drainage tube 3, the needle tube 4 includes an insertion portion 41, a replacement portion 42 and a connecting portion 43, an end portion of the replacement portion 42 is connected with the drainage tube 3, the insertion portion 41 is detachably connected with the replacement portion 42 through the connecting portion 43, the insertion portion 41 includes an outer tube 411 and an inner tube 412, one end of the inner tube 412 is connected with the connecting portion 43, the other end is accommodated in the outer tube 411, an expansion portion 44 is arranged at one end of the inner tube 412 close to a needle opening, the replacement portion 42 is in threaded connection with the outer tube 411, the replacement portion 42 rotates, the inner tube 412 extends out of the outer tube 411, the expansion portion 44 expands to form an expanded shape, an area of the expansion portion 44 after expansion is larger than the needle opening area, the replacement portion 42 is screwed reversely, and the inner tube 412 moves reversely to sleeve the needle opening.

The drainage tube 3 is a flexible rubber tube, and the initial state is spiral.

When needing to explain, the surface of support body 1 still is equipped with a plurality of pieces of placing, wherein, the surface of placing the piece is provided with the hole of stepping down of placing needle tubing 4, and every is placed and all can place a needle tubing 4 in the piece, so be provided with a plurality of needle tubing 4 in this embodiment, can many people carry out the extraction work of pleural effusion simultaneously, liquid can once only carry out the extraction of thoracic cavity capital industry to a plurality of patients and handle, when setting up a plurality of needle tubing 4, every needle tubing 4 all links to each other with negative pressure pump 2 through drainage tube 3, make the extraction of pleural effusion realize automated processing.

The center of the connecting part 43 is communicated with a connecting hole, the inner wall of the connecting hole is divided into a smooth section and a threaded section, and the replacing part 42 is communicated with the smooth section of the connecting part 43.

The replaceable part 42 is detachably connected to the connection part 43, and in the present embodiment, the replaceable part 42 and the connection part 43 are in a plug-in manner.

The inner sleeve 412 is provided with an outer convex top piece 413 near the tube mouth part of the needle mouth.

The inner sleeve 412 has a communicating ring 417 on its surface, a rubber sleeve 414 is connected to the communicating ring 417 on its surface near the needle opening, and the expanding portion 44 is connected to the end face of the rubber sleeve 414.

The rubber sleeve 414 is provided with an air duct 415 inside, the surface of the rubber sleeve 414 is provided with an expansion balloon 416, the air duct 415 is communicated with the expansion balloon 416, after the inner sleeve 412 extends out of the outer tube 411, air flow injects air into the expansion balloon 416 through the air duct 415, and the expansion balloon 416 moves towards the needle opening of the outer tube 411.

The connecting portion 43 is provided with a gas injection tube 421 inside, the gas injection tube 421 is communicated with the gas-guide tube 415, and the frame body 1 is further provided with a gas injection member outside, and the gas injection member is communicated with the gas injection tube 421.

In this embodiment, the air injection member is a micro air pump.

The unfolding portion 44 comprises an outer wrapping sleeve 441 and an inner supporting assembly, the outer wrapping sleeve 441 is connected with the rubber sleeve 414, the outer wrapping sleeve 441 is sleeved with the inner supporting assembly, the inner supporting assembly comprises a plurality of separating rods 442, a connecting block 443 is arranged between every two adjacent separating rods 442, an opening 444 through which the separating rods 442 pass is formed in the surface of the connecting block 443, and the separating rods 442 and the connecting block 443 are connected through elastic pieces 445.

It should be noted that, in an initial state, the expansion portion 44 is located inside the outer tube 411, at this time, the elastic members 445 are all in a contracted state, when the expansion portion 44 extends out of the outer tube 411, the elastic members 445 expand to drive the adjacent separation rods 442 to separate from each other, so that an opening of the expansion portion 44 is enlarged and larger than a caliber of the outer tube 411, and when the expansion portion 44 expands, the expansion portion 44 is pressed by the protruding top piece 413, so that the opening of the expansion portion 44 after expansion inclines outward to form a horn shape, and it is ensured that the expansion portion 44 after expansion can accurately wrap the outer tube 411 when moving back, wherein, in this embodiment, the elastic members 445 are springs.

When the unfolding part 44 finishes unfolding processing, the gas injection piece injects gas into the air duct 415 through the gas injection pipe 421, the expansion bag 416 inflates and expands, the expansion bag 416 extends towards the needle opening of the outer tube 411, and the extended expansion bag 416 and the rubber sleeve 414 form an angle, so that with the movement of the inner sleeve 412, the angle-shaped expansion bag 416 and the rubber sleeve 414 can well wrap the head of the outer tube 411, after the head of the outer tube 411 is wrapped, the caliber of the insertion part 41 is increased, and when the needle tube 4 is pulled out, the needle tube 4 with the enlarged caliber cannot be easily pulled out, it should be noted that after the outer tube 411 is wrapped, the convex top block 413 can press the rubber sleeve 414, so that the rubber sleeve 414 sleeved outside the needle tube 4 can be prevented from being separated from the outer tube 411, and when the needle tube 4 is forced to move towards the inside of the human body, the unnecessary rubber sleeve 414 sleeved on the head of the needle tube 4 can be prevented from further pressing the human body, penetrating into the pleural cavity, damaging other organs of the thoracic cavity, and causing infection of the patient.

The separating rods 442 are stacked up and down, the separating rods 442 are arc-shaped, pushing blocks 4421 are mounted at two ends of the separating rods 442, and a plurality of separating rods 442 are combined to form a ring.

The surface of the connecting block 443 is also provided with a traction air bag 446, both ends of the traction air bag 446 are respectively connected with the pushing blocks 4421 penetrating through the surfaces of the two separation rods 442 of the connecting block 443, and the traction air bag 446 is communicated with the air duct 415.

It should be noted that, in an initial state, the traction airbag 446 is in an inflated state, when the gas injection piece injects gas into the gas guide tube 415 through the gas injection tube 421, part of the gas enters the traction airbag 446 through the gas guide tube 415, the traction airbag 446 inflates and expands to push the adjacent separation rods 442 to be separated as much as possible, so that the deployment portion 44 can be separated as much as possible, which facilitates sheathing the outer portion of the needle tube 4, when the needle tube 4 needs to be pulled away from the human body, the gas injection piece inhales the gas, the traction airbag 446 contracts to be in a shriveled state, at this time, the elastic piece 445 contracts, the pipe diameter of the contracted deployment portion 44 is smaller than the caliber of the outer tube 411, and then the inner sleeve 412 is manually driven to move, so that the inner sleeve 412 is accommodated in the outer tube 411.

It should be noted that, in the needle fixing structure of the effusion extraction device for oncology department, when in use, the needle tube 4 is manually inserted into the pleural cavity of a human body to extract pleural effusion in the pleural cavity, when the accommodating tube needs to be replaced, the connecting part 43 is manually screwed, under the action of the screw thread, the connecting part 43 carries the inner sleeve 412 to extend out of the outer tube 411, at this time, when the unfolding part 44 extends out of the outer tube 411, the elastic member 445 is unfolded to drive the adjacent separating rods 442 to be separated from each other, so that the opening of the unfolding part 44 is enlarged and larger than the caliber of the outer tube 411, and when the unfolding part 44 is unfolded, the unfolding part is pressed by the convex top block 413, so that the opening after the unfolding of the unfolding part 44 is inclined outwards to form a trumpet shape, meanwhile, part of gas enters the traction air bag 446 through the air duct 415, the traction air bag 446 is inflated to push the adjacent separating rods 442 to be separated as much as possible, the unfolding part 44 can be separated as far as possible, when the unfolding part 44 finishes unfolding treatment, the gas injection piece injects gas into the air guide tube 415 through the gas injection tube 421, the expansion bag piece 416 inflates and expands, the expansion bag piece 416 extends towards the needle opening of the outer tube 411, and then the extended expansion bag piece 416 and the rubber sleeve 414 form a corner shape, so that along with the movement of the inner sleeve 412, the corner-shaped expansion bag piece 416 and the rubber sleeve 414 can well wrap the head of the outer tube 411, after the head of the outer tube 411 is wrapped, the caliber of the insertion part 41 is increased, and when the needle tube 4 is pulled outwards, the needle tube 4 with the enlarged caliber cannot be pulled out easily, and it should be noted that after the outer tube 411 is wrapped, the rubber sleeve 414 can be pressed by the outer convex jacking block 413, and the rubber sleeve 414 sleeved outside the needle tube 4 can be prevented from being separated from the outer tube 411, and when needle tubing 4 atress when moving to human internal portion, rubber sleeve 414 that needle tubing 4 head cover was established, can avoid needle tubing 4 further to go deep into the human body, pierce through the pleural cavity, damage remaining internal organs, the condition that leads to the diffusion of pleural effusion takes place, shine into unnecessary infection to the patient, when needs take out needle tubing 4 from the human body, the gas injection piece is breathed in, it is the shrivelled state to pull gasbag 446 shrink, elastic component 445 shrinks this moment, the pipe diameter of expansion portion 44 after the shrink is less than the bore of outer tube 411, interior sleeve 412 of manual drive removes afterwards, make interior sleeve 412 accomodate with the inside of outer tube 411, extract needle tubing 4 from the human body afterwards, accomplish the extraction processing of pleural effusion.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention.

Claims

1. Needle head fixed knot of hydrops draw-out device constructs for oncology, its characterized in that, including support body (1) and needle tubing (4), the surface of support body (1) is equipped with negative pressure pump (2), the output of negative pressure pump (2) passes through drainage tube (3) and links to each other with needle tubing (4), needle tubing (4) are including portion of inserting (41), replacement portion (42) and connecting portion (43), the tip of replacement portion (42) links to each other with drainage tube (3), portion of inserting (41) can be dismantled with replacement portion (42) through connecting portion (43) and is connected, portion of inserting (41) includes outer tube (411) and interior sleeve pipe (412), the one end and the connecting portion (43) of interior sleeve pipe (412) link to each other, and the other end is accomodate inside outer tube (411), the one end that interior sleeve pipe (412) are close to the needle mouth is equipped with the portion of expanding (44), replacement portion (42) and outer tube (411) threaded connection, replacement portion (42) rotate, interior sleeve pipe (412) stretches out to the outside, mouth of expanding portion (44) form the mouth of expanding form, the back expansion portion of expanding (44) and expand the portion of expanding (44) and be greater than the needle mouth portion (42) and reverse displacement portion (42), needle mouth portion (42), reverse displacement sleeve pipe (412) moves the needle portion (42), reverse rotation.

2. The needle fixing structure of a effusion extraction device for oncology according to claim 1, characterized in that: the drainage tube (3) is a flexible rubber tube and is spiral in the initial state.

3. The needle fixing structure of the effusion extraction device for oncology according to claim 2, characterized in that: the connecting hole that link (43)'s center link up, the inner wall of connecting hole divide into smooth section and screw thread section, replacement portion (42) and link (43) smooth section intercommunication.

4. The needle fixing structure of the effusion extraction device for oncology according to claim 3, characterized in that: the inner sleeve (412) is provided with an outer convex top block (413) close to the tube mouth part of the needle mouth.

5. The needle fixing structure of the effusion extraction device for oncology according to claim 4, characterized in that: the surface of the inner sleeve (412) is provided with a communication ring (417), the surface of the communication ring (417) close to the needle opening is connected with a rubber sleeve (414), and the expansion part (44) is connected with the end surface of the rubber sleeve (414).

6. The needle fixing structure of a effusion extraction device for oncology according to claim 5, characterized in that: the novel needle-free air-assisted infusion device is characterized in that an air duct (415) is arranged inside the rubber sleeve (414), an expansion bag piece (416) is arranged on the surface of the rubber sleeve (414), the air duct (415) is communicated with the expansion bag piece (416), after the inner sleeve (412) extends out of the outer tube (411), air is injected into the expansion bag piece (416) through the air duct (415), and the expansion bag piece (416) moves towards the needle opening of the outer tube (411).

7. The needle fixing structure of a effusion extraction device for oncology according to claim 6, characterized in that: connecting portion (43) inside is equipped with gas injection pipe (421), gas injection pipe (421) are linked together with air duct (415), support body (1) outside still is equipped with the piece of aerifing, the piece of aerifing is linked together with gas injection pipe (421).

8. The needle fixing structure of the effusion extraction device for oncology according to claim 7, characterized in that: the unfolding portion (44) comprises an outer wrapping sleeve (441) and an inner supporting assembly, the outer wrapping sleeve (441) is connected with the rubber sleeve (414), the outer wrapping sleeve (441) is sleeved with the inner supporting assembly, the inner supporting assembly comprises a plurality of separating rods (442), a connecting block (443) is arranged between every two adjacent separating rods (442), an opening (444) for the separating rods (442) to penetrate through is formed in the surface of the connecting block (443), and the separating rods (442) are connected with the connecting block (443) through elastic pieces (445).

9. The needle fixing structure of a effusion extraction device for oncology according to claim 8, characterized in that: the separating rods (442) are vertically stacked, the separating rods (442) are arc-shaped, pushing blocks (4421) are mounted at two ends of the separating rods (442), and the separating rods (442) are combined to form a ring.

10. The needle fixing structure of the effusion extraction device for oncology according to claim 9, characterized in that: the surface of the connecting block (443) is also provided with a traction air bag (446), two ends of the traction air bag (446) are respectively connected with the pushing blocks (4421) penetrating through the surfaces of the two separating rods (442) of the connecting block (443), and the air guide pipes (415) of the traction air bag (446) are communicated.