CN108969816B - Burn patient pus drainage device with sampling function - Google Patents
Burn patient pus drainage device with sampling function Download PDFInfo
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- CN108969816B CN108969816B CN201810883741.7A CN201810883741A CN108969816B CN 108969816 B CN108969816 B CN 108969816B CN 201810883741 A CN201810883741 A CN 201810883741A CN 108969816 B CN108969816 B CN 108969816B
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- upper cover
- supporting block
- drainage device
- sampling function
- burn
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- A61M1/0023—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/78—Means for preventing overflow or contamination of the pumping systems
- A61M1/782—Means for preventing overflow or contamination of the pumping systems using valves with freely moving parts, e.g. float valves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/79—Filters for solid matter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Alarm Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a burn patient pus drainage device with a sampling function, which comprises a drainage tube, a shell, an upper cover, a supporting block, a conduit, a filter screen, a placing groove, a limiting groove, a sliding block, a spring, a circulation hole, an insertion hole and a floating ball.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a burn patient pus drainage device with a sampling function.
Background
At present clinically, because burn patient's burn position produces the pus easily, this kind of pus has influenced the recovery of patient's wound, need in time clear up, and traditional clearance mode is mostly medical personnel and clears up the pus department repeatedly through adopting the aseptic cotton ball, with this promotion patient wound resumes, in addition, need carry out the sample test time measuring to the pus when medical personnel, then need use the syringe to take a sample at patient wound position, not only the operation is inconvenient, and also can cause the damage to patient's burn position carelessly a little, increase patient's misery, above-mentioned clearance sample work flow is numerous and diverse, the step is more, medical personnel's intensity of labour has been increaseed, work efficiency is reduced, in view of above defect, it is necessary to design burn patient's pus drainage device of taking sample function in reality.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a burn patient pus drainage device with a sampling function, and solves the problems in the background technology.
In order to solve the technical problems, the technical scheme of the invention is as follows: the pus drainage device with the sampling function for the burn patient comprises a drainage tube, a shell, an upper cover, a supporting block, a conduit, a filter screen, a placing groove, a limiting groove, a sliding block, a spring, a circulation hole, a jack and a floating ball, wherein the upper cover is positioned at the top end of the shell, the upper cover is in threaded connection with the shell, the supporting block penetrates through the right side of the top end of the upper cover, the supporting block is connected with glue of the upper cover, the conduit is positioned at the bottom end of the left side in the supporting block, the conduit is in threaded connection with the supporting block, the filter screen is positioned at the bottom end in the conduit, the filter screen is connected with the glue of the conduit, the placing groove is positioned at the upper side of the middle end in the supporting block, the placing groove is a circular groove, the limiting groove is positioned at the middle end in the supporting block, the limiting groove is integrally connected with the supporting block, the sliding block is positioned at the lower side of the middle end in the supporting block, and is connected with the supporting block in a sliding manner, the spring is located the slider bottom, the spring top link to each other with slider glue, just the spring bottom link to each other with the supporting shoe glue, the opening be located the inside upper end of slider, the opening be the through-hole, the jack be located the standing groove bottom, the jack link to each other with the supporting shoe is integrative, the floater be located the inside left side bottom of upper cover, the floater slide with the upper cover and link to each other.
Further, an injector is further arranged in the placing groove and movably connected with the supporting block.
Furthermore, limiting plates are further arranged on the left side and the right side of the syringe needle, and the limiting plates are integrally connected with the syringe.
Furthermore, the upper end of the left side in the upper cover is also provided with a proximity switch, and the proximity switch is connected with the upper cover in a threaded manner.
Further, the left side of the upper end in the upper cover is also provided with an alarm, the alarm is connected with the upper cover in a threaded manner, and the alarm is connected with a proximity switch wire.
Further, the left side of the upper end in the upper cover is also provided with a storage battery, the storage battery is connected with the upper cover in a threaded manner, and the storage battery is respectively connected with the alarm and the proximity switch wire.
Further, the left side of the top of the upper cover is also provided with a switch, the switch is connected with the upper cover in a threaded manner, and the switch is respectively connected with the proximity switch and the storage battery lead.
Furthermore, a valve penetrates through the right side of the lower end of the shell, and the valve is connected with shell glue.
Furthermore, avoidance holes are further formed in the left side and the right side of the upper end of the jack and integrally connected with the supporting block.
Compared with the prior art, this take burn patient pus drainage device of sample function, during the use, medical personnel at first fix the drainage tube at patient's burn position, with this carry out the drainage treatment to the patient, effect through the drainage tube, make the pus at patient's burn position, filths such as clot pass through the drainage tube and get into inside the casing, realize the effective collection to filths such as pus through the casing, then medical personnel open the switch again, make proximity switch be in the state of circular telegram, use the device to carry out the in-process of drainage treatment to the patient, when medical personnel need draw patient's drainage liquid and examine time measuring, the operation is as follows: the medical care personnel firstly inserts the injector into the placing groove, namely the injector drives the needle head and the limiting plate to move from top to bottom along the placing groove, so that the needle head is inserted into the jack, and synchronously, the limiting plate is inserted into the limiting groove through the avoiding hole, when the needle head of the injector moves downwards in the jack and contacts with the sliding block, the needle head pushes the sliding block to move from top to bottom along the inside of the supporting block, at the moment, the spring is compressed, when the needle cylinder of the injector is inserted into the bottom of the placing groove, namely, the limiting plate is positioned in the limiting groove, at the moment, the medical care personnel holds the needle cylinder to rotate by taking the jack as the circle center, so that the limiting plate and the avoiding hole are in a staggered state, the state that the injector is connected with the supporting block is fixed through the action of the limiting plate and the limiting groove, at the moment, the sliding block is pushed downwards to the lower end in the supporting block by the needle head of the injector, namely, the circulation hole is connected with the front and back of the catheter smoothly, at the moment, medical personnel pull the piston handle upwards to generate negative pressure in the needle cylinder, the negative pressure generates suction force, the drainage liquid in the shell enters the interior of the needle cylinder through the filter screen and the guide pipe and enters the interior of the needle cylinder through the circulation hole, the medical personnel can extract the drainage liquid with required volume as required, after the medical personnel sample the drainage liquid, the needle cylinder can be rotated to enable the needle cylinder to drive the needle head and the limiting plate to synchronously rotate, when the limiting plate rotates to the position coinciding with the avoidance hole in the limiting groove, the limiting groove cancels the limiting of the limiting plate, at the moment, under the action of the resilience force of the spring, the slide block pushes the injector to move from bottom to top along the placing groove, namely, the slide block resets along the interior of the supporting block, the fixed state of the synchronous injector and the supporting block is released, the subsequent medical personnel can extract the injector, after the slide block resets, the circulation hole and the guide pipe are in a staggered state, the utility model has the advantages of realizing the effective plugging of the catheter by the sliding block, completing the sampling work of the syringe to the drainage liquid in the shell body by the above, having simple operation, bringing convenience to the sampling work of medical personnel, along with the proceeding of the drainage treatment of patients, the drainage liquid in the shell body is more and more, leading the liquid level of the drainage liquid to drive the floating ball to continuously rise along the inner part of the upper cover, leading the approach switch to be triggered when the floating ball rises to be close to the approach switch due to the iron material of the floating ball, leading the alarm to be opened by the triggering effect of the approach switch, sending out alarm sound to prompt the medical personnel to dump the drainage liquid in the shell body, preventing the treatment effect of the patients from being influenced due to the untimely emptying of the drainage liquid, and achieving the purpose of facilitating the sampling detection of the drainage liquid by the medical personnel in the drainage treatment process of the patients by the design of the sampling mechanism, the problems of inconvenient operation and time and labor waste of the traditional sampling mode are effectively avoided, in addition, the design of a drainage alarm mechanism is added, the problem that drainage liquid in a shell cannot be emptied in time to influence drainage treatment of a patient is effectively avoided, so that the operation of medical personnel is finally simplified, the treatment and the rehabilitation of the patient are facilitated, the drainage alarm mechanism can be popularized and applied in clinic, the proximity switch is a position switch which can be operated without mechanical direct contact with a moving part, when an object is close to a sensing surface of the proximity switch to an action distance, the switch can be actuated without mechanical contact and any pressure application, the proximity switch is a switch type sensor (i.e. a non-contact switch), has sensing performance, reliable action, stable performance, quick frequency response, long application life, strong anti-interference capability and the like, and has the characteristics of water resistance, shock resistance, corrosion resistance and the like, and the model is preferably LJ12A3-4-Z/BX, the filter screen is used for preventing blood clots and the like from polluting and blocking the guide pipe and the flow hole, the storage battery is used for providing energy supply for the proximity switch and the alarm, and the valve is used for facilitating drainage of drainage liquid.
Drawings
FIG. 1 is a front view of a burn patient pus drainage device with a sampling function;
FIG. 2 is an enlarged view of the support block portion;
FIG. 3 is a perspective view of the support block;
FIG. 4 is a cross-sectional view of the support block;
fig. 5 is a sectional view of the support block a.
The drainage tube comprises a drainage tube 1, a shell 2, an upper cover 3, a supporting block 4, a guide tube 5, a filter screen 6, a placing groove 7, a limiting groove 8, a sliding block 9, a spring 10, a flow hole 11, a jack 12, a floating ball 13, a valve 201, a proximity switch 301, an alarm 302, a storage battery 303, a switch 304, an injector 401, a limiting plate 402 and an avoiding hole 403.
The following detailed description will be further described in conjunction with the above-identified drawings.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details, and in other cases, well-known process steps are not described in detail.
As shown in fig. 1, 2, 3, 4 and 5, the drainage device for pus of burn patients with sampling function comprises a drainage tube 1, a housing 2, an upper cover 3, a supporting block 4, a conduit 5, a filter screen 6, a placement groove 7, a limiting groove 8, a slider 9, a spring 10, a circulation hole 11, a jack 12, a floating ball 13, a valve 201, a proximity switch 301, an alarm 302, a storage battery 303, a switch 304, a syringe 401, a limiting plate 402 and a relief hole 403, wherein the upper cover 3 is arranged at the top end of the housing 2, the upper cover 3 is in threaded connection with the housing 2, the supporting block 4 penetrates through the right side of the top end of the upper cover 3, the supporting block 4 is connected with the upper cover 3 through glue, the conduit 5 is arranged at the bottom end of the left side inside the supporting block 4, the conduit 5 is in threaded connection with the supporting block 4, the filter screen 6 is arranged at the bottom end inside the conduit 5, the filter screen 6 is connected with the conduit 5 through glue, the placing groove 7 is positioned at the upper side of the middle end in the supporting block 4, the placing groove 7 is a circular groove, the limiting groove 8 is positioned at the middle end in the supporting block 4, the limiting groove 8 is integrally connected with the supporting block 4, the slider 9 is positioned at the lower side of the middle end in the supporting block 4, the slider 9 is slidably connected with the supporting block 4, the spring 10 is positioned at the bottom of the slider 9, the top end of the spring 10 is connected with the slider 9 glue, the bottom end of the spring 10 is connected with the supporting block 4 glue, the circulation hole 11 is positioned at the upper end in the slider 9, the circulation hole 11 is a through hole, the jack 12 is positioned at the bottom of the placing groove 7, the jack 12 is integrally connected with the supporting block 4, the floating ball 13 is positioned at the bottom end of the left side in the upper cover 3, the floating ball 13 is slidably connected with the upper cover 3, and the injector 401 is also arranged in the placing groove 7, syringe 401 and 4 activity link to each other of supporting shoe, syringe 401 syringe needle left and right sides still be equipped with limiting plate 402, limiting plate 402 and syringe 401 an organic whole link to each other, the inside left side upper end of upper cover 3 still be equipped with proximity switch 301, proximity switch 301 and upper cover 3 screw thread link to each other, the inside upper end left side of upper cover 3 still be equipped with alarm 302, alarm 302 and upper cover 3 screw thread link to each other, and alarm 302 and proximity switch 301 wire link to each other, the inside upper end left side of upper cover 3 still be equipped with battery 303, battery 303 and upper cover 3 screw thread link to each other, and battery 303 link to each other with alarm 302 and proximity switch 301 wire respectively, upper cover 3 top left side still be equipped with switch 304, switch 304 and upper cover 3 screw thread link to each other, just switch 304 link to each other with proximity switch 301 and battery 303 wire respectively, 2 lower extreme right sides of casing still run through and have had valve 201, valve 201 and 2 glue of casing link to each other, 12 upper end left and right sides of jack still be equipped with dodge hole 403, dodge hole 403 and supporting shoe 4 an organic whole and link to each other.
This take burn patient pus drainage device of sample function, during the use, medical personnel fix drainage tube 1 at patient's burn position at first, with this carry out the drainage treatment to the patient, effect through drainage tube 1, make the pus at patient's burn position, filth such as clot passes through drainage tube 1 and gets into inside 2 casing, realize the effective collection to filth such as pus through casing 2, then medical personnel open switch 304 again, make proximity switch 301 be in the state of circular telegram, carrying out the in-process of drainage treatment to the patient using the device, drainage liquid that need draw the patient when medical personnel detects time measuring, the operation is as follows: the medical care personnel firstly insert the syringe 401 into the placing groove 7, namely the syringe 401 drives the needle head and the limit plate 402 to move from top to bottom along the placing groove 7, so that the needle head is inserted into the jack 12, synchronously, the limit plate 402 is inserted into the limit groove 8 through the avoiding hole 403, when the needle head of the syringe 401 moves downwards in the jack 12 and contacts with the slide block 9, the needle head pushes the slide block 9 to move from top to bottom along the inside of the supporting block 4, at the moment, the spring 10 is compressed, when the needle cylinder of the syringe 401 is inserted into the bottom of the placing groove 7, namely, the limit plate 402 is positioned in the limit groove 8, at the moment, the medical care personnel holds the needle cylinder to rotate by taking the jack 12 as the circle center, so that the limit plate 402 and the avoiding hole are in a staggered state, the state that the connection state of the syringe 401 and the supporting block 4 is fixed through the action of the limit plate 402 and the limit groove 8, at the moment, the slide block 9 is pushed downwards to the lower end inside of the supporting block 4 by the needle head of the syringe 401, namely, the circulation hole 11 is connected with the guide tube 5 in a smooth manner, at the moment, medical staff pulls the piston handle upwards to generate negative pressure in the needle cylinder, the negative pressure generates suction force, so that drainage liquid in the shell 2 passes through the filter screen 6 and the guide tube 5 and enters the needle cylinder from the circulation hole 11, the medical staff can draw the drainage liquid with required volume as required, after the medical staff finishes sampling the drainage liquid, the needle cylinder can be rotated to drive the needle head and the limiting plate 402 to synchronously rotate, when the limiting plate 402 rotates in the limiting groove 8 to a position overlapped with the avoiding hole 403, namely, the limiting groove 8 cancels the limiting on the limiting plate 402, at the moment, under the action of the resilience force of the spring 10, the sliding block 9 pushes the injector 401 to move from bottom to top along the placing groove 7, namely, the sliding block 9 resets along the inside of the supporting block 4, and the fixed state of the synchronous injector 401 and the supporting block 4 is relieved, follow-up medical personnel take syringe 401 out can, after slider 9 resets, circulation hole 11 is in crisscross state with pipe 5, realize slider 9 effective shutoff to pipe 5 promptly, accomplish the sample work of syringe 401 to the inside drainage liquid of casing 2 promptly through the aforesaid, moreover, the steam generator is simple in operation, it is convenient to bring for medical personnel's sample work, along with going on of patient drainage treatment, drainage liquid in casing 2 is more and more, make the liquid level of drainage liquid drive floater 13 constantly rise along upper cover 3 is inside, because of floater 13 is the iron material, when floater 13 rises and is close to proximity switch 301, make proximity switch 301 triggered, through the effect that proximity switch 301 triggered, make alarm 302 open, send the warning sound suggestion medical personnel and empty the drainage liquid in casing 2, prevent to in time empty because of drainage liquid is unable, influence patient's treatment, proximity switch 301 be one kind and need not to carry out mechanical direct contact with the moving part and the position that can operate The switch is a switch type sensor (i.e. a non-contact switch) which has sensing performance, reliable action, stable performance, fast frequency response, long service life, strong anti-interference capability, water resistance, shock resistance, corrosion resistance and the like, the type of the switch is preferably LJ12A3-4-Z/BX, the filter screen 6 is used for preventing blood clots and the like from polluting and blocking the conduit 5 and the circulation hole 11, the storage battery 303 is used for providing energy supply for the proximity switch 301 and the alarm 302, and the valve 201 is used for facilitating drainage liquid discharge.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.
Claims (8)
1. The pus drainage device with the sampling function for the burn patients comprises a drainage tube and is characterized by further comprising a shell, an upper cover, a supporting block, a conduit, a filter screen, a placing groove, a limiting groove, a sliding block, a spring, a circulation hole, an insertion hole and a floating ball, wherein the upper cover is positioned at the top end of the shell, the upper cover is in threaded connection with the shell, the supporting block penetrates through the right side of the top end of the upper cover, the supporting block is connected with glue of the upper cover, the conduit is positioned at the bottom end of the left side inside the supporting block, the conduit is in threaded connection with the supporting block, the filter screen is positioned at the bottom end inside the conduit, the filter screen is connected with the glue of the conduit, the placing groove is positioned at the upper side of the middle end inside the supporting block, the placing groove is a circular groove, the limiting groove is positioned at the middle end inside the supporting block, the limiting groove is integrally connected with the supporting block, and the sliding block is positioned at the lower side of the middle end inside the supporting block, the slider is connected with the supporting block in a sliding mode, the spring is located at the bottom of the slider, the top end of the spring is connected with slider glue, the bottom end of the spring is connected with the supporting block glue, the circulation hole is located at the upper end inside the slider, the circulation hole is a through hole, the insertion hole is located at the bottom of the placing groove, the insertion hole is integrally connected with the supporting block, the floating ball is located at the bottom end of the left side inside the upper cover, and the floating ball is connected with the upper cover in a sliding mode; the jack upper end left and right sides still be equipped with and dodge the hole, dodge the hole and link to each other with the supporting shoe is integrative.
2. The pus drainage device with sampling function for burn patients as claimed in claim 1, wherein a syringe is further provided inside the placement groove, and the syringe is movably connected with the supporting block.
3. The empyema drainage device with the sampling function for the burn patient as claimed in claim 2, wherein the left and right sides of the needle head of the syringe are further provided with a limiting plate, and the limiting plates are integrally connected with the syringe.
4. The empyema drainage device with the sampling function for the burn patient as claimed in claim 3, wherein a proximity switch is further provided at the upper end of the left side inside the upper cover, and the proximity switch is threadedly connected with the upper cover.
5. A empyema drainage device with a sampling function for patients with burn as claimed in claim 4, wherein an alarm is further arranged on the left side of the upper end inside the upper cover, the alarm is connected with the upper cover in a threaded manner, and the alarm is connected with a proximity switch wire.
6. A empyema drainage device with a sampling function for patients with burn as claimed in claim 5, wherein a storage battery is further arranged on the left side of the upper end inside the upper cover, the storage battery is connected with the upper cover in a threaded manner, and the storage battery is respectively connected with the alarm and the proximity switch lead.
7. The empyema drainage device with the sampling function for the burned patient as claimed in claim 6, wherein a switch is further arranged on the left side of the top of the upper cover, the switch is connected with the upper cover in a threaded manner, and the switch is respectively connected with the proximity switch and the storage battery lead.
8. The empyema drainage device with sampling function for burn patients of claim 7, wherein a valve is further arranged at the right side of the lower end of the shell in a penetrating manner, and the valve is connected with shell glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883741.7A CN108969816B (en) | 2018-08-06 | 2018-08-06 | Burn patient pus drainage device with sampling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883741.7A CN108969816B (en) | 2018-08-06 | 2018-08-06 | Burn patient pus drainage device with sampling function |
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| CN108969816A CN108969816A (en) | 2018-12-11 |
| CN108969816B true CN108969816B (en) | 2021-09-21 |
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| CN201810883741.7A Active CN108969816B (en) | 2018-08-06 | 2018-08-06 | Burn patient pus drainage device with sampling function |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477960B (en) * | 2019-08-21 | 2022-06-07 | 中国人民解放军第四军医大学 | Volume-controlled urine collector |
| CN111943126A (en) * | 2020-07-02 | 2020-11-17 | 界首市南都华宇电源有限公司 | Anti-overflow device for transfer of paste storage hopper of lead paste mixing machine |
| CN111790010B (en) * | 2020-07-15 | 2022-11-08 | 中国人民解放军空军军医大学 | Compromise multizone and separate and time record intelligence drainage ware |
| CN112450990A (en) * | 2020-11-27 | 2021-03-09 | 彭霞 | Clinical sampling and submitting device for nephrology department |
| CN114146237B (en) * | 2021-12-06 | 2023-09-12 | 北京医院 | Be used for thoracic surgery closed nursing drainage device |
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| CN200993616Y (en) * | 2006-12-15 | 2007-12-19 | 邦拓生物科技股份有限公司 | Sampling joint |
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| EP0132940A1 (en) * | 1983-06-17 | 1985-02-13 | Avvari Rangaswamy | Arterial puncture unit |
| US6632203B2 (en) * | 2001-05-21 | 2003-10-14 | Sherwood Services Ag | Sampling port for a drainage device |
| CN206580826U (en) * | 2017-03-24 | 2017-10-24 | 淮安市疾病预防控制中心 | Bacteria quantified samples apparatus for coating |
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|---|---|---|---|---|
| CA2203911A1 (en) * | 1995-09-06 | 1997-03-13 | Inventamed International Inc. | Urine collection system |
| CN200993616Y (en) * | 2006-12-15 | 2007-12-19 | 邦拓生物科技股份有限公司 | Sampling joint |
| CN202538028U (en) * | 2012-03-23 | 2012-11-21 | 郑英坤 | Drainage bag liquid level detection alarm device |
| CN203164023U (en) * | 2013-04-02 | 2013-08-28 | 宣达实业集团有限公司 | Online sampling valve and needle hole syringe for same |
| CN205460400U (en) * | 2016-01-11 | 2016-08-17 | 李志强 | Burn patient pus drainage device of area sample function |
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| CN108969816A (en) | 2018-12-11 |
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