CN210931551U - Vacuum negative pressure pus sampler - Google Patents

Abstract

The utility model provides a vacuum negative pressure pus sampler, which comprises a collecting pipe, a supporting pipe, a puncture pipe penetrating through the collecting pipe and the supporting pipe, wherein the middle part of the rear end surface of the collecting pipe is fixedly provided with a bell-shaped positioning ring extending into the collecting pipe, and the bell-shaped positioning ring is sleeved with a high-elasticity bell-shaped telescopic sleeve; the front end and the rear end of the puncture tube are respectively provided with a plug, the outer wall of the front end of the puncture tube is provided with a plurality of liquid inlet holes, and the outer wall of the puncture tube is provided with a plurality of liquid outlet holes. The utility model adopts disposable material, vacuum negative pressure is utilized to suck the pus into the collector, and the collected pus is not polluted by surgical instruments, ambient air and surgical personnel; the surgical instrument, the operating table and the environment under the operating table can not be polluted; the authenticity of the culture result of the pus is improved; the false positive rate and the false negative rate are reduced; meanwhile, the iatrogenic waste is reduced.

Description

Vacuum negative pressure pus sampler

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to vacuum negative pressure pus sample thief.

Background

The operation under the cavity mirror needs to collect the pus in the abdominal cavity to send bacteria for culture and drug sensitivity test. At present, most hospitals place the gauze into the abdominal cavity through the puncture card, take the gauze out of the puncture card after soaking the gauze in pus, extrude the pus from the gauze by an extrusion method, and collect the pus in a sterile vessel to be sent to a laboratory. The main disadvantages of this method are: 1. only a few milliliters of pus is taken each time, and the collection of pus is too little; 2. the pus is contacted with the air and surgical instruments, and may be polluted by the instruments and bacteria in the air; 3. oxygen exists in the air, anaerobic bacteria in the pus are in contact with the oxygen and then are inspected, and the culture result is possibly influenced; 4. the gauze dipped with pus is taken out of the body and extruded, so that the risk of polluting the environment above and below the operating table is caused; 5. the gauze with residual pus is left after extrusion, so that iatrogenic garbage is added; 6. in the process of clamping the gauze by using metal forceps to dip pus, visceral organs in the abdominal cavity may be accidentally injured.

SUMMERY OF THE UTILITY MODEL

The technique that exists is not enough to the aforesaid, the utility model aims at providing vacuum negative pressure pus sample thief, solves the problem of mentioning in the background art.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a vacuum negative pressure pus sampler, including collecting pipe, stay tube, the puncture tube that runs through collecting pipe and stay tube, the stay tube is integrative to be established the front end of collecting pipe and rather than communicating, the fixed bell-shaped holding ring that extends into its inside that is equipped with in the middle part of the rear end face of collecting pipe, bell-shaped holding ring overcoat is equipped with a high elasticity bell-shaped telescope tube, the front end of bell-shaped telescope tube with puncture tube fixed connection, the rear end of bell-shaped telescope tube with the rear end face fixed connection of collecting pipe, when the puncture tube moves forward, guarantee the seal of collecting pipe for vacuum negative pressure in the collecting tube makes the pus can only get into the collecting tube after getting into the puncture tube from the feed liquor hole; the utility model discloses a puncture pipe, including puncture pipe, collecting pipe, drain pipe, end cap, be located the intraductal part of collection is equipped with a plurality of liquid hole on the outer wall of puncture pipe, the front and back end of puncture pipe respectively is equipped with the end cap, be equipped with a plurality of feed liquor hole on the front end outer wall of puncture pipe, is located collect intraductal part be equipped with a plurality of liquid hole on the outer wall of puncture pipe, be equipped.

Preferably, the collection tube is 6cm long and 2.9cm in diameter.

Preferably, the support tube is 35cm long, 5mm in outer diameter and 0.5mm in tube wall thickness.

Preferably, the puncture tube is 42cm long, the outer diameter is 4mm, and the wall thickness of the puncture tube is 0.5 mm.

Preferably, the bell-shaped retaining ring is 1cm long.

The beneficial effects of the utility model reside in that: the disposable material is adopted, which has the following advantages: 1. the collection amount is large, and 20-30 ml of pus can be collected each time; 2. in the process of collecting pus, the pus is not contacted with surgical instruments and air, so that the pus is completely pollution-free; 3. the pus is not contacted with the air, so that the culture result of anaerobic bacteria is not influenced; 4. the process of collecting pus is completely closed, so that an operating table and the surrounding environment cannot be polluted; 5. no redundant discarded pollutants exist, and iatrogenic garbage is reduced; 6. the head end of the collector is blunt, so that organs in the abdominal cavity cannot be damaged; 7. the head end of the collector is inserted into the pus and then starts to collect the pus, so that the pus is prevented from being polluted and is pollution-free.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a vacuum negative pressure pus sampler provided by an embodiment of the present invention (a transparent shell is illustrated);

fig. 2 is a schematic view of a using state of the vacuum negative pressure pus sampler provided by the embodiment of the present invention (a transparent shell).

Description of reference numerals:

1-collecting pipe, 2-supporting pipe, 3-puncturing pipe, 4-bell-shaped positioning ring, 5-bell-shaped telescopic sleeve, 6-plug, 7-liquid inlet hole, 8-liquid outlet hole and 9-liquid outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 2, the vacuum negative pressure pus sampler comprises a collecting pipe 1, a supporting pipe 2, and a puncture pipe 3 penetrating through the collecting pipe 1 and the supporting pipe 2, wherein the supporting pipe 2 is integrally arranged at the front end of the collecting pipe 1 and communicated with the front end of the collecting pipe 1, a bell-shaped positioning ring 4 extending into the collecting pipe 1 is fixedly arranged in the middle of the rear end face of the collecting pipe 1, a high-elasticity bell-shaped telescopic sleeve 5 is sleeved outside the bell-shaped positioning ring 4, the front end of the bell-shaped telescopic sleeve 5 is fixedly connected with the puncture pipe 3, and the rear end of the bell-shaped telescopic sleeve 5 is fixedly connected with the rear end face of; the front end and the rear end of the puncture pipe 3 are respectively provided with a plug 6, the outer wall of the front end of the puncture pipe 3 is provided with a plurality of liquid inlet holes 7, the outer wall of the partial puncture pipe 3 positioned in the collecting pipe 1 is provided with a plurality of liquid outlet holes 8, the side wall of the rear end face of the collecting pipe 1 is provided with a liquid outlet pipe 9, and the pipe orifice of the liquid outlet pipe 9 can be detachably provided with a sealing cover.

Further, the collecting tube 1 was 6cm long and 2.9cm in diameter.

Furthermore, the support tube 2 is 35cm long, 5mm in outer diameter and 0.5mm in tube wall thickness.

Furthermore, the puncture tube 3 had a length of 42cm, an outer diameter of 4mm, and a tube wall thickness of 0.5 mm.

Further, the bell-shaped positioning ring 4 is 1cm long.

When the puncture tube is used, the front end of the puncture tube 3 extends into pus to enable the liquid inlet hole 7 to be positioned below the level of the pus, then the collecting tube is held by one hand and is still, the plug 6 at the rear end of the puncture tube 3 is pushed by the thumb to move forwards, in the process, the negative pressure in the collecting tube 1 enables the pus to enter from the liquid inlet hole 7 under the action of air pressure, flow into the collecting tube 1 along the puncture tube 3, and finally flow out of the liquid outlet hole 8 to enter the collecting tube 1; the pus can be poured out by opening the sealing cover 10 on the liquid outlet pipe 9.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The vacuum negative-pressure pus sampler is characterized by comprising a collecting pipe, a supporting pipe and a puncture pipe penetrating through the collecting pipe and the supporting pipe, wherein the supporting pipe is integrally arranged at the front end of the collecting pipe and communicated with the collecting pipe; the utility model discloses a puncture pipe, including puncture pipe, collecting pipe, drain pipe, end cap, be located the intraductal part of collection is equipped with a plurality of liquid hole on the outer wall of puncture pipe, the front and back end of puncture pipe respectively is equipped with the end cap, be equipped with a plurality of feed liquor hole on the front end outer wall of puncture pipe, is located collect intraductal part be equipped with a plurality of liquid hole on the outer wall of puncture pipe, be equipped.

2. The vacuum negative pressure pus sampler of claim 1, wherein the collection tube is 6cm long and 2.9cm in diameter.

3. The vacuum negative pressure pus sampler of claim 1, wherein the support tube is 35cm long, 5mm in outer diameter and 0.5mm in tube wall thickness.

4. The vacuum negative pressure pus sampler of claim 1, wherein the puncture tube is 42cm long, 4mm in outer diameter and 0.5mm in tube wall thickness.

5. The vacuum negative pressure pus sampler of claim 1, wherein the bell-shaped positioning ring is 1cm long.

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