Specimen collection suction tube assembly and collector thereof
By designing a specimen collection straw assembly and utilizing the negative pressure principle of the filter and pipe assembly to achieve solid-liquid separation, the problems of low specimen collection efficiency and damage during minimally invasive surgery are solved, and an efficient and safe specimen collection process is achieved.
Patent Information
- Application Number
- CN202422452361.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-10
AI Technical Summary
In the existing technology, specimen collection efficiency in minimally invasive surgery is low and easily damaged, especially after diagnostic curettage and transurethral resection of the prostate. Specimens are difficult to collect completely in sewage, posing the risk of occupational exposure and incomplete specimens.
A specimen collection straw assembly is designed, including a lid, a filter screen, and a tube assembly. The negative pressure principle is used to separate the solid and liquid in the solid-liquid mixture. The filter screen filtering interval structure is used to achieve the separation of solid and liquid, simplifying the specimen collection process and avoiding manual screening by surgeons after surgery.
It improves the efficiency and completeness of specimen collection, reduces the risk of occupational exposure, shortens the collection time, and improves the satisfaction of medical staff.
Smart Images

Figure CN223416254U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, in particular to a specimen collection straw assembly. Background Art
[0002] With the development of social economy and medical technology, people's health awareness is increasing, and minimally invasive surgery is becoming more and more popular. Laparoscopic surgery has become an essential way to detect and treat many diseases. Minimally invasive surgery will aspirate the irrigating fluid during the flushing process, and in this process, some tissue specimens that need to be tested may be aspirated.
[0003] Current issues:
[0004] Some surgeries require collecting specimens through suction, such as diagnostic curettage and transurethral resection of the prostate. After these surgeries, the suction bag needs to be cut open and the specimens need to be found in a pool of sewage. Some specimens are hanging on the wall of the bag, resulting in occupational exposure and incomplete retained specimens.
[0005] The current solutions to the above problems are:
[0006] 1. If a small specimen is found, the surgeon will use curved forceps to pick it up and give it to the scrub nurse for storage.
[0007] 2. If the surgery requires collecting specimens by suction, the surgeon will cut open the suction bag after the surgery, filter the wastewater through a blood pad or gauze, and select the required specimens on the blood pad or gauze for retention.
[0008] The above-mentioned manual specimen collection method is not only easy to damage the specimens, but also has low efficiency and large workload.
[0009] Therefore, there is an urgent need for a specimen collection straw assembly for scientific research to solve the above problems. Utility Model Content
[0010] One purpose of the utility model is to provide a specimen collection straw assembly, which can reduce workload and avoid damage to specimens.
[0011] Another object of the present invention is to provide a collector that can reduce workload and avoid damage to specimens.
[0012] In order to solve the above technical problems, the specimen collection pipette assembly provided by the utility model includes a lid, a filter screen and a pipe fitting assembly, wherein the pipe fitting assembly includes an inlet pipe, a first connecting pipe, an outlet pipe, a second connecting pipe and an insertion pipe, the lid and the filter screen are arranged to be spaced apart and a filter gap is formed between the lid and the filter screen, the free end of the inlet pipe is connected to one end of the first connecting pipe, the other end of the first connecting pipe is connected to the lid and communicates with the filter gap, the free end of the outlet pipe is connected to one end of the second connecting pipe, the other end of the second connecting pipe is connected to one end of the insertion pipe to the lid, the second connecting pipe and the insertion pipe are connected to each other, the other end of the insertion pipe passes through the filter gap and can be inserted into the bottom of the filter screen, so that the solids in the solid-liquid mixture at the inlet pipe are isolated above the filter screen and the liquid in the solid-liquid mixture is isolated below the filter screen by suction through the outlet pipe.
[0013] Preferably, the cover is provided with a first plug hole corresponding to the first connecting tube, and the first connecting tube is connected to the cover through the first plug hole.
[0014] Preferably, the intake and intake pipe is provided with a first outer sheath corresponding to the first connecting pipe, and the free end of the intake and intake pipe is covered with the first connecting pipe through the first outer sheath.
[0015] Preferably, the suction outlet pipe is provided with a second outer sheath corresponding to the second connecting pipe, and the free end of the suction outlet pipe is covered with the second connecting pipe through the second outer sheath.
[0016] Preferably, the cover is provided with a second plug hole corresponding to the second connecting tube, the second connecting tube is connected to the cover through the second plug hole, the insertion tube is connected to the cover through the second plug hole, and the second connecting tube is connected to the insertion tube.
[0017] Preferably, the filter screen is provided with a third plug hole corresponding to the insertion tube.
[0018] Preferably, the cross-section of the cover and the cross-section of the filter are both circular, and the diameter of the cover is smaller than the diameter of the filter.
[0019] In order to solve the above technical problems, the collector provided by the present invention includes a collecting bottle with an upward opening and the above-mentioned specimen collecting straw assembly, the filter is built into the collecting bottle, and the lid is covered on the collecting bottle.
[0020] Preferably, a threaded structure for connection is provided between the cover and the collecting bottle.
[0021] Preferably, the collecting bottle is provided with scale lines, and the collecting bottle is a transparent bottle structure.
[0022] Compared with the prior art, the specimen collection straw assembly of the present invention combines a lid, a filter screen and a pipe assembly together, wherein the pipe assembly includes an inlet pipe, a first connecting pipe, an outlet pipe, a second connecting pipe and an insertion pipe, the lid and the filter screen are spaced apart and a filter gap is formed between the lid and the filter screen, the free end of the inlet pipe is connected to one end of the first connecting pipe, the other end of the first connecting pipe is connected to the lid and communicates with the filter gap, the free end of the outlet pipe is connected to one end of the second connecting pipe, the other end of the second connecting pipe is connected to one end of the insertion pipe, and the first connecting pipe is connected to the lid. The two connecting tubes are connected to the insertion tube, and the other end of the insertion tube passes through the filter interval and can be inserted into the bottom of the filter. By suctioning the outlet pipe, the solid in the solid-liquid mixture at the inlet pipe is isolated above the filter, and the liquid in the solid-liquid mixture is isolated below the filter. When in use, the nurse connects the inlet pipe to the position to be sucked, and the outlet pipe is connected to the aspirator. The principle of negative pressure is used to isolate the solid in the solid-liquid mixture at the inlet pipe above the filter, and the liquid in the solid-liquid mixture is isolated below the filter. After the operation, the surgeon unscrews the bottle cap, pours out the specimen from the filter, and can collect it. It is convenient to screen specimens, and what you get is what you need. Fine specimens can be retained intact, avoiding the surgeon's manual screening of specimens after the operation, reducing occupational exposure and the chance of contaminating the operating room environment, shortening the time for collecting specimens, speeding up the operation process, and improving the work satisfaction of medical staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of the specimen collection straw assembly provided by the utility model;
[0024] Figure 2 This is an exploded view of the specimen collection straw assembly provided by the utility model. DETAILED DESCRIPTION
[0025] The present invention will be further described below with reference to the accompanying drawings and implementation examples.
[0026] Please refer to Figures 1 to 2The collector 100 of the present invention includes a collecting bottle 1 and a specimen collecting pipette assembly. The collecting bottle 1 is opened upward. The specimen collecting pipette assembly includes a lid 3, a filter screen 4 and a pipe assembly 6. The pipe assembly 6 includes an inlet pipe 61, a first connecting pipe 62, an outlet pipe 63, a second connecting pipe 64 and an insertion pipe 65. The lid 3 and the filter screen 4 are parallel to each other. The lid 3 and the filter screen 4 are spaced apart and a filter gap 5 is formed between the lid 3 and the filter screen 4. The free end of the inlet pipe 61 is connected to one end of the first connecting pipe 62, and the other end of the first connecting pipe 62 is connected to the lid. 3 is connected and communicates with the filter spacer 5. The free end of the suction outlet pipe 63 is connected to one end of the second connecting pipe 64. The other end of the second connecting pipe 64 is connected to one end of the insertion pipe 65 and is connected to the lid 3. The second connecting pipe 64 and the insertion pipe 65 are interconnected. The other end of the insertion pipe 65 passes through the filter spacer 5 and can extend below the filter screen 4. Suction from the suction outlet pipe 63 isolates the solids in the solid-liquid mixture at the suction inlet pipe 61 above the filter screen 4, and the liquid in the solid-liquid mixture below the filter screen 4. The filter screen 4 is built into the collection bottle 1, and the lid 3 is placed on the collection bottle 1. A threaded structure 2 is provided between the lid 3 and the collection bottle 1 for connection. The collection bottle 1 is provided with scale marks 11 and is a transparent bottle. During use, the nurse connects the suction inlet 61 to the position to be sucked, and the suction outlet 63 to the aspirator. The negative pressure principle is used to isolate the solid in the solid-liquid mixture at the suction inlet 61 above the filter 4 and the liquid in the solid-liquid mixture below the filter 4. After the operation, the surgeon unscrews the bottle cap and pours out the specimen from the filter 4 to collect it. It is convenient to screen the specimens, and what is obtained is what is needed. The fine specimens can be retained intact, avoiding the surgeon's manual screening of specimens after the operation, reducing the chance of occupational exposure and contamination of the operating room environment, shortening the time for collecting specimens, speeding up the operation process and improving the work satisfaction of medical staff. More specifically, as follows:
[0027] Please refer to Figures 1 to 2 The cover 3 is provided with a first plug hole 32 corresponding to the first connecting pipe 62, and the first connecting pipe 62 is connected to the cover 3 through the first plug hole 32, thereby making the connection between the various components more compact.
[0028] Please refer to Figures 1 to 2 The intake pipe 61 is provided with a first outer wrapping sleeve 611 corresponding to the first connecting pipe 62, and the free end of the intake pipe 61 is covered with the first connecting pipe 62 through the first outer wrapping sleeve 611, thereby making the connection between the various components more compact.
[0029] Please refer to Figures 1 to 2 The outlet pipe 63 is provided with a second outer wrapping sleeve 631 corresponding to the second connecting pipe 64, and the free end of the outlet pipe 63 is covered with the second connecting pipe 64 through the second outer wrapping sleeve 631, thereby making the connection between the components more compact.
[0030] Please refer to Figures 1 to 2 The cover 3 has a second insertion hole 31 corresponding to the second connecting pipe 64. The second connecting pipe 64 is connected to the cover 3 through the second insertion hole 31. The insertion pipe 65 is connected to the cover 3 through the second insertion hole 31. The second connecting pipe 64 is connected to the insertion pipe 65. The filter 4 has a third insertion hole 41 corresponding to the insertion pipe 65, thereby making the connection between the various components more compact.
[0031] Please refer to Figures 1 to 2 The cross-sections of the cover 3 and the filter screen 4 are both circular, and the diameter of the cover 3 is smaller than the diameter of the filter screen 4.
[0032] By combining the cover 3, the filter screen 4 and the pipe assembly 6, the pipe assembly 6 includes an inlet pipe 61, a first connecting pipe 62, an outlet pipe 63, a second connecting pipe 64 and an insertion pipe 65. The cover 3 and the filter screen 4 are spaced apart and a filter gap 5 is formed between the cover 3 and the filter screen 4. The free end of the inlet pipe 61 is connected to one end of the first connecting pipe 62, the other end of the first connecting pipe 62 is connected to the cover 3 and communicates with the filter gap 5, the free end of the outlet pipe 63 is connected to one end of the second connecting pipe 64, the other end of the second connecting pipe 64 is connected to one end of the insertion pipe 65, and the second connecting pipe is connected to the cover 3. 64 is connected to the insertion tube 65, and the other end of the insertion tube 65 passes through the filter spacer 5 and can be inserted into the bottom of the filter screen 4. The solid in the solid-liquid mixture at the inlet pipe 61 is isolated above the filter screen 4 and the liquid in the solid-liquid mixture is isolated below the filter screen 4 by suction through the outlet pipe 63. When in use, the nurse connects the inlet pipe 61 to the position to be sucked, and the outlet pipe 63 is connected to the aspirator. The principle of negative pressure is used to isolate the solid in the solid-liquid mixture at the inlet pipe 61 above the filter screen 4 and the liquid in the solid-liquid mixture is isolated below the filter screen 4. After the operation, the surgeon unscrews the bottle cap, pours out the specimen from the filter screen 4 and can collect it. It is convenient to screen specimens, and what is obtained is what is needed. Fine specimens can be retained intact, avoiding the surgeon's manual screening of specimens after the operation, reducing the chance of occupational exposure and contamination of the operating room environment, shortening the time for collecting specimens, speeding up the operation process and improving the work satisfaction of medical staff.
[0033] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A specimen collection straw assembly, characterized in that: The filter screen is connected to the filter screen by a suction pipe, and the suction pipe is connected to the filter screen by a suction pipe. The suction pipe is connected to the filter screen by a suction pipe. The suction pipe is connected to the filter screen by a suction pipe. The suction pipe is connected to the filter screen by a suction pipe. The suction pipe is connected to the filter screen by a suction pipe. The suction pipe is connected to the filter screen by a suction pipe.
2. The specimen collection straw assembly according to claim 1, characterized in that: The cover is provided with a first plug hole corresponding to the first connecting pipe, and the first connecting pipe is connected to the cover through the first plug hole.
3. The specimen collection straw assembly according to claim 1, characterized in that: The intake and intake pipe is provided with a first outer wrapping sleeve corresponding to the first connecting pipe, and the free end of the intake and intake pipe is covered with the first connecting pipe through the first outer wrapping sleeve.
4. The specimen collection straw assembly according to claim 1, characterized in that: The suction outlet pipe is provided with a second outer sheath corresponding to the second connecting pipe, and the free end of the suction outlet pipe is covered on the second connecting pipe through the second outer sheath.
5. The specimen collection straw assembly according to claim 1, characterized in that: The cover is provided with a second plug hole corresponding to the second connecting tube, the second connecting tube is connected to the cover through the second plug hole, the insertion tube is connected to the cover through the second plug hole, and the second connecting tube is connected to the insertion tube.
6. The specimen collection straw assembly according to claim 1, characterized in that: The filter screen is provided with a third plug hole corresponding to the insertion pipe.
7. The specimen collection straw assembly according to claim 1, characterized in that: The cross section of the cover and the cross section of the filter are both circular, and the diameter of the cover is smaller than the diameter of the filter.
8. A collector comprising a collecting bottle with an upward opening, characterized in that: It also includes the specimen collection pipette assembly according to any one of claims 1 to 7, wherein the filter is built into the collection bottle, and the lid is covered on the collection bottle.
9. The collector according to claim 8, characterized in that A threaded structure for connection is provided between the cover and the collecting bottle.
10. The collector according to claim 8, characterized in that The collecting bottle is provided with scale lines, and the collecting bottle is a transparent bottle structure.