Pericardiocentesis effusion extraction device
By designing a pericardial puncture effusion extraction device including a collection cylinder, a traction pump, a cannula and an introduction tube, the problems of effusion and secondary injury caused by frequent replacement of containers during effusion extraction in the prior art are solved, and efficient and safe effusion drainage and container replacement are achieved.
Patent Information
- Application Number
- CN202421562702.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-03
AI Technical Summary
During the effusion extraction process, the existing pericardial puncture fluid extraction device needs to frequently replace the fluid container, which can easily lead to effusion and the revocation of the pipe may cause secondary damage to the patient.
A pericardial puncture fluid extraction device is designed, including a collection cylinder, a traction pump, an intubation tube and an introduction tube. The effusion is introduced into the collection cylinder through the coordination of the traction pump. After the collection cylinder is full, the insertion and separation of the intubation tube and the introduction tube is realized, blocking the outflow of the effusion and facilitate container replacement.
It improves the efficiency of effusion drainage, avoids effusion and secondary damage, and ensures the safety and convenience of operation.
Smart Images
Figure CN222998084U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical auxiliary instruments, and more specifically, particularly relates to a pericardiocentesis effusion extraction device. Background Technique
[0002] Pericardiocentesis is a measure for diagnosis and an emergency treatment measure to relieve cardiac tamponade when there is effusion, blood accumulation or empyema in the pericardial cavity. Pericardiocentesis is a method of inserting a puncture needle and / or an indwelling catheter into the pericardial cavity to aspirate pericardial effusion for diagnosis and treatment.
[0003] The application number of the present utility model is specifically a pericardiocentesis effusion extraction device for the department of cardiology, including a movable groove plate. An activity groove is opened inside the movable groove plate, and a support mechanism is fixed in the activity groove. One outer wall of the movable groove plate is connected with a limit plate by screws. A displacement groove is opened inside the limit plate. A scale line is engraved on the top outer wall of the limit plate and is parallel to one edge of the displacement groove. A slide rod is inserted into the displacement groove. Two measuring sliding rings are connected to the outer wall of the slide rod by threads, and the two measuring sliding rings are respectively located on the upper and lower sides of the limit plate. A central block is fixed with an extraction mechanism. The present utility model can closely contact the human body during effusion extraction to prevent external air particles from directly entering the human body, enabling the device to protect the air pressure balance inside and outside the human body during the puncture process and prevent external air particles from contacting the human body and causing harm to the human body, increasing the safety and comfort of the device.
[0004] Based on the retrieval of the above patent and the understanding of the application of existing pericardiocentesis effusion extraction devices: Currently, when extracting effusion, after the effusion container has received an appropriate amount, it is necessary to replace it with another container to continue. During the replacement process, the effusion is likely to be spilled, and removing the pipeline from the patient's body is likely to cause secondary harm to the patient. Utility Model Content
[0005] In order to solve the above technical problems, the present utility model provides a pericardiocentesis effusion extraction device to solve the problems that when extracting effusion, after the effusion container has received an appropriate amount, it is necessary to replace it with another container to continue, the effusion is likely to be spilled during the replacement process, and removing the pipeline from the patient's body is likely to cause secondary harm to the patient.
[0006] The purpose and efficacy of a pericardiocentesis effusion extraction device of the present utility model are achieved by the following specific technical means:
[0007] A pericardiocentesis fluid extraction device, comprising a collection cylinder; a traction pump is arranged above the collection cylinder, a cannula is fixedly connected to the rear end of the traction pump, the rear end of the cannula is inserted and fixed to the inner position of the front end of an introduction tube, a tripod A is fixedly installed inside the cannula, the middle position of the tripod A is slidably connected to the front end position of a limit plug A, a spring member A is sleeved outside the limit plug A, the rear end position of the spring member A abuts against the limit plug A, the front end position of the spring member A abuts against the tripod A, when the spring member A is in an extended state, the rear of the protruding position of the limit plug A abuts against the inner rear end position of the cannula.
[0008] According to an embodiment of the present invention, a limit bead is arranged at the inner front end position of the introduction tube, and threads are provided on the outer side of the introduction tube, the threads of the introduction tube are engaged and rotated with the inner side position of a limiting cylinder, and a contact block is arranged at the inner front end position of the limiting cylinder.
[0009] According to an embodiment of the present invention, a convex ring is arranged on the outer side of the rear end of the cannula, after the cannula is inserted into the inner front end of the introduction tube, when the contact block of the limiting cylinder abuts against the limit bead, the cannula will be fixedly restricted.
[0010] According to an embodiment of the present invention, a tripod B is fixedly installed inside the introduction tube, the middle position of the tripod B is slidably connected to the rear end position of a limit plug B, and a spring member B is sleeved outside the limit plug B.
[0011] According to an embodiment of the present invention, the front end position of the spring member B abuts against the limit plug B, the rear end position of the spring member B abuts against the tripod B, when the spring member B is in an extended state, the rear of the protruding position of the limit plug A abuts against the inner front end position of the introduction tube.
[0012] According to an embodiment of the present invention, when the cannula is inserted into the introduction tube, the limit plug A abuts against the limit plug B, and both the spring member A and the spring member B are in a contracted state.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] 1. The rear end position of the introduction tube is connected to the patient's fluid drainage position, and the fluid is introduced into the introduction tube and the cannula through the cooperation of the traction pump for drainage until the fluid enters the collection cylinder for temporary storage. At the same time, the traction pump can also play an auxiliary drainage effect, improving the fluid drainage efficiency.
[0015] 2. After the internal capacity reserve of the collection cylinder reaches an appropriate value, rotate the limiting cylinder. The contact block of the limiting cylinder disengages from the fitting of the limiting bead of the inlet pipe, and the insertion tube and the inlet pipe can be inserted and separated. After the insertion tube and the inlet pipe are separated, both the spring member A and the spring member B are elastically reset, and the limiting plug A and the limiting plug B will respectively fit the rear end inside the insertion tube and the front end inside the inlet pipe to block the outflow of the accumulated liquid, facilitating the timely replacement of the collection cylinder. Description of the Drawings
[0016] Figure 1 is a schematic left half-sectional view of the pericardiocentesis effusion extraction device of the present utility model.
[0017] Figure 2 is a schematic side half-sectional view of the pericardiocentesis effusion extraction device of the present utility model.
[0018] Figure 3 is of the present utility model Figure 1 partial enlarged structural schematic diagram at A in
[0019] Figure 4 is of the present utility model Figure 2 partial enlarged structural schematic diagram at B in
[0020] In the figure, the corresponding relationship between the component names and the drawing reference numerals is as follows:
[0021] 1. Collection cylinder; 101. Traction pump; 2. Insertion tube; 201. Tripod A; 202. Limiting plug A; 203. Spring member A; 3. Inlet pipe; 301. Tripod B; 302. Limiting plug B; 303. Spring member B; 304. Limiting cylinder. Detailed Embodiment
[0022] In order to make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings of the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.
[0023] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings as understood by those of ordinary skill in the art to which the present utility model pertains. The words such as "a", "an" or "the" used in the description and claims of the patent application of the present utility model do not denote a limitation in quantity either, but mean that there is at least one. Words such as "comprising" or "including" mean that the elements or objects appearing before this word cover the elements or objects listed after this word and their equivalents. The words such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The terms such as "upper", "lower", "left" and "right" are only used to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationships may also change accordingly.
[0024] The following further describes in detail the embodiments of the present utility model in conjunction with the accompanying drawings and examples.
[0025] Embodiment 1:
[0026] As shown in the attached Figure 1 to the attached Figure 4 figure:
[0027] The present utility model provides a pericardiocentesis effusion extraction device, including a collection cylinder 1; a traction pump 101 is arranged above the collection cylinder 1, a cannula 2 is fixedly connected to the rear end of the traction pump 101, the rear end of the cannula 2 is inserted and fixed to the inner front position of an introducing tube 3, a triangular frame A201 is fixedly installed inside the cannula 2, the middle position of the triangular frame A201 is slidably connected to the front end position of a limit plug A202, a spring member A203 is sleeved on the outer side of the limit plug A202, the rear end position of the spring member A203 abuts against the limit plug A202, the front end position of the spring member A203 abuts against the triangular frame A201. When the spring member A203 is in an extended state, the rear of the protruding position of the limit plug A202 abuts against the inner rear position of the cannula 2. A limit bead is arranged at the inner front position of the introducing tube 3, and a thread is provided on the outer side of the introducing tube 3. The thread of the introducing tube 3 is engaged and rotated with the inner side position of a limiting cylinder 304. A contact block is arranged at the inner front position of the limiting cylinder 304. A convex ring is arranged on the outer side of the rear end of the cannula 2. After the cannula 2 is inserted into the inner front of the introducing tube 3, when the contact block of the limiting cylinder 304 abuts against the limit bead, the cannula 2 will be fixedly restricted.
[0028] Among them, a tripod B301 is fixedly installed at an internal position of the inlet pipe 3. The middle position of the tripod B301 is slidably connected to the rear end position of the limit plug B302. A spring member B303 is sleeved on the outer side of the limit plug B302. The front end position of the spring member B303 abuts against the limit plug B302, and the rear end position of the spring member B303 abuts against the tripod B301. When the spring member B303 is in an extended state, the rear of the protruding position of the limit plug A202 abuts against the front end position inside the inlet pipe 3. When the insertion tube 2 is inserted into the inlet pipe 3, the limit plug A202 abuts against the limit plug B302, and both the spring member A203 and the spring member B303 are in a contracted state.
[0029] During use:
[0030] First, connect the rear end position of the inlet pipe 3 to the patient's effusion drainage position, and introduce the effusion into the inside of the inlet pipe 3 and the insertion tube 2 through the cooperation of the traction pump 101 for drainage until the effusion enters the inside of the collection cylinder 1 for temporary storage. At the same time, the traction pump 101 can also play an auxiliary drainage effect and improve the effusion drainage efficiency.
[0031] When the internal capacity reserve of the collection cylinder 1 reaches an appropriate value, rotate the limiting cylinder 304, and the contact block of the limiting cylinder 304 disengages from the fitting of the limit bead of the inlet pipe 3. The insertion tube 2 and the inlet pipe 3 can be inserted and separated. After the insertion tube 2 and the inlet pipe 3 are separated, both the spring member A203 and the spring member B303 are elastically reset, and the limit plug A202 and the limit plug B302 will respectively abut against the rear end inside the insertion tube 2 and the front end position inside the inlet pipe 3 to block the outflow of the effusion, facilitating the timely replacement of the collection cylinder 1.
[0032] Although the present application has been described with reference to the above embodiments, those skilled in the art will understand that various changes can be made without departing from the concept and scope of the present application as defined by the appended claims. Although this specification contains many details of specific implementation manners, these should not be construed as limitations on the scope claimed by the present application, but rather as descriptions of features specific to particular embodiments. The scope of the present application is defined by the appended claims and their equivalents, and is not limited to the embodiments described above.
Claims
1. A pericardial puncture effusion extraction device, characterized in that: The invention comprises a collecting tube (1); a traction pump (101) is arranged at an upper position of the collecting tube (1); a cannula (2) is fixedly connected to the rear end of the traction pump (101); the rear end of the cannula (2) is plugged and fixed to the front end of the introduction tube (3); a tripod A (201) is fixedly installed inside the cannula (2); the middle position of the tripod A (201) is slidably connected to the front end of a limiting plug A (202); a spring member A (203) is sleeved on the outer side of the limiting plug A (202); the rear end of the spring member A (203) fits the limiting plug A (202); the front end of the spring member A (203) fits the tripod A (201); when the spring member A (203) is in an extended state, the rear of the protruding position of the limiting plug A (202) fits the rear end of the inside of the cannula (2).
2. A pericardial puncture effusion extraction device as claimed in claim 1, characterized in that: A limiting bead is arranged at the front end of the interior of the introduction tube (3), and a thread is provided at the outer end of the introduction tube (3). The thread of the introduction tube (3) engages with the inner end of the rotation limiting cylinder (304), and a contact block is arranged at the front end of the interior of the limiting cylinder (304).
3. A pericardial puncture effusion extraction device as claimed in claim 1, characterized in that: A convex ring is arranged on the outer side of the rear end of the insert tube (2). After the insert tube (2) is inserted into the front end of the introduction tube (3), the contact block of the limiting cylinder (304) fits the limiting bead to fix and limit the insert tube (2).
4. A pericardial puncture effusion extraction device as claimed in claim 1, characterized in that: A tripod B (301) is fixedly installed inside the introduction pipe (3), the middle position of the tripod B (301) is slidably connected to the rear end of the limiting plug B (302), and the outer position of the limiting plug B (302) is sleeved with a spring member B (303).
5. A pericardial puncture effusion extraction device as claimed in claim 4, characterized in that: The front end of the spring member B (303) fits the limiting plug B (302), and the rear end of the spring member B (303) fits the tripod B (301). When the spring member B (303) is in an extended state, the rear of the protruding position of the limiting plug A (202) fits the inner front end of the introduction pipe (3).
6. A pericardial puncture effusion extraction device as claimed in claim 1, characterized in that: When the insertion tube (2) is plugged into the introduction tube (3), the limiting plug A (202) and the limiting plug B (302) fit together, and the spring member A (203) and the spring member B (303) are both in a contracted state.