CN215426473U - Marrow collecting and back-conveying integrated device - Google Patents

Abstract

The utility model relates to a marrow collecting and back-conveying integrated device, which comprises a vacuum collecting bag, wherein the bottom of the vacuum collecting bag is provided with a liquid inlet and a liquid outlet which are communicated with the inside of the vacuum collecting bag, the outer wall of the liquid inlet is provided with a first plug capable of sealing the liquid inlet, and the outer wall of the liquid outlet is provided with a second plug capable of sealing the liquid outlet. The utility model has the characteristics of avoiding bone marrow pollution caused by contact with external air without arranging an exhaust port, ensuring convenience and safety in bone marrow collection and the like.

Description

Marrow collecting and back-conveying integrated device

Technical Field

The utility model relates to a bone marrow collecting and back-conveying integrated device, and belongs to the technical field of medical appliances.

Background

Many medical detection and treatment modalities today involve the use of bone marrow cells, requiring the collection and filtration of the bone marrow of the person to be collected to obtain the desired sample. At present, the bone marrow cells are generally extracted by a 10ml syringe, filtered by a filter device, stirred by a glass stirring rod, extracted and injected into a bone marrow bag for storage; the main problems existing at present are: the filtering device (such as a filtering sieve) is recycled, and the residual cells cannot be cleaned and disinfected cleanly, so that the bone marrow is polluted, and diseases can be possibly transmitted; in the process of bone marrow cell transfer, the cells are exposed in the air for too long time and are easy to generate pollution; the space distance is easy to cause pollution in the transferring process; when the metastatic cells enter the bone marrow collection bag, the extension tube portion of the bone marrow bag needs to be punctured, which may cause needle stick injuries to the medical personnel.

Patent document No. CN213049653U discloses a disposable bone marrow filtration and collection device, which is composed of a filtration part and a collection bag that can be directly connected during use, so as to avoid bone marrow cell contamination and contamination during cell transfer caused by repeated use of a filter sieve, effectively prevent operators from needle stick injury caused by puncturing the collection bag, and improve operation safety and simplicity.

However, the collection bag in the device is provided with the exhaust port, and the exhaust port is arranged, so that the bone marrow in the collection bag is still in certain contact with air, and the bone marrow is easily polluted by the outside, and the collection quality of the bone marrow is affected.

Disclosure of Invention

The utility model aims to provide a bone marrow collecting and back-infusing integrated device, which solves the problems that bone marrow in the prior art is easy to contact air and is polluted.

The technical purpose of the utility model is mainly solved by the following technical scheme: a marrow collecting and back-conveying integrated device comprises a vacuum collecting bag, wherein the bottom of the vacuum collecting bag is provided with a liquid inlet and a liquid outlet which are communicated with the inside of the vacuum collecting bag, the outer wall of the liquid inlet is provided with a first plug capable of sealing the liquid inlet, and the outer wall of the liquid outlet is provided with a second plug capable of sealing the liquid outlet; when the bone marrow is collected by the vacuum collection bag, an exhaust port is not required to be arranged, the contact between the bone marrow and air is limited to the greatest extent, the probability that the bone marrow is polluted is reduced, the first plug and the second plug are arranged, so that the vacuum collection bag is sealed, the airtightness is enhanced, the bone marrow in the vacuum collection bag is prevented from being leaked to cause waste, and the collection and storage of the bone marrow are safer and more reliable.

Preferably, the liquid inlet is provided with two first flow stopping clamps which can clamp the liquid inlet and have opposite clamping directions, and the liquid outlet is provided with two second flow stopping clamps which can clamp the liquid outlet and have opposite clamping directions; above-mentioned first only flow clamp and second only flow clamp's setting can strengthen the clamping strength to inlet and liquid outlet for first only flow clamp and people only flow clamp to inlet and liquid outlet seal more firmly reliably, and can prevent that the marrow in the vacuum collection bag from spilling.

Preferably, the first plug is connected to the liquid inlet through a first connecting rope, and the second plug is connected to the liquid outlet through a second connecting rope; above-mentioned first end cap and second end cap can be fixed respectively to the setting of first connecting rope and second connecting rope for first end cap and second end cap can be on this vacuum collection bag of lug connection, avoid first end cap and second end cap to lose.

Preferably, the device comprises a liquid inlet pipe which can be connected with the liquid inlet and a liquid outlet pipe which can be connected with the liquid outlet; the setting of above-mentioned feed liquor pipe to connect outside syringe to carry out the collection of marrow, and the drain pipe is in order to reinfuse the marrow, and the length of feed liquor pipe and drain pipe can be prolonged in the setting of feed liquor pipe and drain pipe, and it is more convenient to operate when making the marrow gather.

Preferably, one end of the liquid inlet pipe is in threaded connection with the liquid inlet, the other end of the liquid inlet pipe is provided with a detachable first sealing cover, one end of the liquid outlet pipe is in threaded connection with the liquid outlet, and the other end of the liquid outlet pipe is provided with a detachable second sealing cover; threaded connection is all adopted to the one end of above-mentioned feed liquor pipe one end and drain pipe for this vacuum collection bag is when gathering the marrow, the drain pipe need not the installation, the connection of at utmost reduction pipeline, reduce the interference to the operation, and this vacuum collection bag is when reinfusing the marrow, can directly dismantle the feed liquor pipe, reduce the tube coupling, the same interference that reduces when to the operation, first closing cap and second closing cap so that when this vacuum collection bag does not use, seal feed liquor pipe and drain pipe, avoid receiving the pollution.

Preferably, a first filtering section is arranged on the pipe section of the liquid inlet pipe, and a second filtering section is arranged on the pipe section of the liquid outlet pipe; above-mentioned first filter stage and second filter stage's setting for when the feed liquor pipe is carrying marrow to vacuum collection bag, filtration is realized to the first filter stage of marrow accessible, and the drain pipe is when the feedback marrow, and secondary filtration can be realized through the second filter stage to the marrow, realizes filtering many times to the marrow, has guaranteed the filter effect, need not additionally to install simultaneously or dismantle filter equipment, reduces the device's manufacturing cost and use cost.

Preferably, an inverted U-shaped filter screen with a downward opening is arranged in the first filter section, and a regular U-shaped filter screen with an upward opening is arranged in the second filter section; above-mentioned fall U type filter screen and setting of positive U type filter screen for when the marrow was gathered the bag and is gone into towards the vacuum, can receive blockking of this filter screen, realize the filter effect, and can form the side direction in first fillter section and second fillter section and filter, avoid the particulate matter in the marrow to spill between the inner wall of this filter screen and this fillter section, strengthen the filter effect to the marrow.

Preferably, a puncture pipe which is obliquely arranged upwards is arranged on the liquid outlet pipe corresponding to the upper part of the second filtering section, and a third flow stopping clip is arranged on the puncture pipe; the puncture tube can be connected with the physiological saline so as to discharge the gas in the liquid outlet tube through the physiological saline, so that the bone marrow is safer when being reinfused.

Therefore, the utility model has the characteristics of avoiding bone marrow pollution caused by contact with external air without arranging an exhaust port, ensuring convenience and safety in bone marrow collection and the like.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the vacuum collection bag of FIG. 1 shown closed;

FIG. 3 is a cross-sectional view of the structure of FIG. 1;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

fig. 5 is an enlarged view of the structure at B in fig. 3.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.

As shown in fig. 1-5, a marrow collecting and back-transporting integrated device comprises a vacuum collecting bag 1, wherein the bottom of the vacuum collecting bag 1 is provided with a liquid inlet 11 and a liquid outlet 12 communicated with the inside of the vacuum collecting bag 1, the outer wall of the liquid inlet 11 is provided with a first plug 13 capable of sealing the liquid inlet 11, the outer wall of the liquid outlet 12 is provided with a second plug 14 capable of sealing the liquid outlet 12, when the vacuum collecting bag collects marrow, an exhaust port is not needed, the contact between the marrow and air is directly and maximally limited, the probability of marrow pollution is reduced, and the first plug and the second plug are arranged so as to seal the vacuum collecting bag, enhance the sealing property, avoid the marrow leakage in the vacuum collecting bag to cause waste, and ensure that the collection and storage of the marrow are safer and more reliable; the first plug 13 is connected to the liquid inlet 11 through a first connecting rope 131, the second plug 14 is connected to the liquid outlet 12 through a second connecting rope 141, the first connecting rope and the second connecting rope are arranged to fix the first plug and the second plug respectively, so that the first plug and the second plug can be directly connected to the vacuum collecting bag to avoid the first plug and the second plug from losing, the first plug and the second plug can be screwed at the liquid inlet and the liquid outlet through threads respectively, the surface of the vacuum collecting bag is provided with scales corresponding to the liquid inlet and the liquid outlet respectively, the scales above the liquid inlet are enlarged from top to bottom, the minimum value of the scales above the liquid inlet is positioned at the uppermost part of the vacuum collecting bag, the scales above the liquid outlet are reduced from top to bottom, and the minimum value of the scales above the liquid outlet is positioned at the lowermost part of the vacuum collecting bag, when collecting the marrow, the liquid inlet and the liquid outlet of the vacuum collection bag are upward, and when the marrow is returned, the vacuum collection bag is hung, and the liquid inlet and the liquid outlet are downward.

The liquid inlet 11 is provided with two first flow stopping clamps 15 which can clamp the liquid inlet 11 and have opposite clamping directions, the liquid outlet 12 is provided with two second flow stopping clamps 16 which can clamp the liquid outlet 12 and have opposite clamping directions, and the arrangement of the first flow stopping clamps and the second flow stopping clamps can enhance the clamping strength of the liquid inlet and the liquid outlet, so that the liquid inlet and the liquid outlet can be more firmly and reliably sealed by the first flow stopping clamps and the human flow stopping clamps, and the leakage of bone marrow in the vacuum collection bag can be prevented; the first flow stopping clip and the second flow stopping clip are both products existing in the current market, and are not described herein again for the prior art.

The bone marrow collecting device comprises a liquid inlet pipe 21 which can be connected with a liquid inlet 11 and a liquid outlet pipe 22 which can be connected with a liquid outlet 12, wherein the liquid inlet pipe is arranged so as to be convenient for connecting an external injector to collect bone marrow, the liquid outlet pipe is used for returning the bone marrow, and the length of the liquid inlet can be prolonged by arranging the liquid inlet pipe and the liquid outlet pipe, so that the bone marrow collecting operation is more convenient; one end and the 11 threaded connection of inlet of feed liquor pipe 21, the other end of feed liquor pipe 21 is equipped with the first closing cap 211 of detachable, the one end and the 12 threaded connection of liquid outlet of drain pipe 22, the other end of drain pipe 22 is equipped with detachable second closing cap 221, the threaded connection is all adopted to the one end of above-mentioned feed liquor pipe one end and drain pipe, make this vacuum collection bag when gathering the marrow, the drain pipe need not to install, the connection of at utmost reduction pipeline, reduce the interference to the operation, and this vacuum collection bag is when the feedback marrow, can directly dismantle feed liquor pipe, reduce the pipe connection, the interference when the same reduction is operated, first closing cap and second closing cap so that when this vacuum collection bag does not use, seal feed liquor pipe and drain pipe, avoid receiving the pollution.

The first filtering section 23 is arranged on the pipe section of the liquid inlet pipe 21, the second filtering section 24 is arranged on the pipe section of the liquid outlet pipe 22, and the first filtering section and the second filtering section are arranged, so that when the liquid inlet pipe conveys bone marrow into the vacuum collecting bag, the bone marrow can be filtered through the first filtering section, and when the liquid outlet pipe conveys the bone marrow back, the bone marrow can be filtered for the second time through the second filtering section, so that the multiple filtering of the bone marrow is realized, the filtering effect is ensured, and meanwhile, the filtering device does not need to be additionally installed or disassembled, so that the production cost and the use cost of the device are reduced; an inverted U-shaped filter screen 231 with a downward opening is arranged in the first filter section 23, a positive U-shaped filter screen 241 with an upward opening is arranged in the second filter section 24, and the inverted U-shaped filter screen and the positive U-shaped filter screen are arranged, so that when bone marrow enters towards the vacuum collection bag, the bone marrow can be blocked by the filter screens, a filter effect is realized, lateral filtering can be formed in the first filter section and the second filter section, the situation that particulate matters in the bone marrow leak out from the filter screens and the inner wall of the filter section is avoided, and the filter effect on the bone marrow is enhanced; a puncture tube 222 which is obliquely arranged upwards is arranged above the liquid outlet tube 22 corresponding to the second filter segment 24, a third flow stopping clamp 223 is arranged on the puncture tube 222, and the puncture tube can be connected with the physiological saline so as to discharge gas in the liquid outlet tube through the physiological saline, so that the bone marrow is safer when being reinfused.

Under conventional state, inlet and liquid outlet on the vacuum collection bag are all sealed respectively through first end cap and second end cap, before gathering the marrow, screw up the one end of feed liquor pipe on the inlet of vacuum collection bag earlier, then connect outside syringe on the other end of feed liquor pipe, the marrow passes through syringe through first filter segment and gets into in the vacuum collection bag, the back is accomplished in the marrow collection, take off the feed liquor pipe, first end cap seals the inlet, then take out the second end cap, connect the feed liquor pipe in liquid outlet department, and hang the vacuum collection bag, puncture union coupling normal saline, through the transport of normal saline, discharge the air in the drain pipe, thereby can directly carry the marrow to the patient internal.

Claims (8)

1. The utility model provides an integrative device of reinfusion is gathered to marrow which characterized in that: gather bag (1) including the vacuum, the bottom of bag (1) is gathered in the vacuum is equipped with inlet (11) and liquid outlet (12) with bag (1) inside intercommunication are gathered in the vacuum, be equipped with first end cap (13) that can seal inlet (11) on the outer wall of inlet (11), be equipped with second end cap (14) that can seal liquid outlet (12) on the outer wall of liquid outlet (12).

2. The bone marrow harvesting and reinfusion integrated device according to claim 1, wherein: be equipped with two first only flowing of can pressing from both sides tight inlet (11) and centre gripping opposite direction on inlet (11) and press from both sides clamp (15), be equipped with two second only flowing of can pressing from both sides tight outlet (12) and centre gripping opposite direction on outlet (12) and press from both sides clamp (16).

3. The bone marrow harvesting and reinfusion integrated device according to claim 1, wherein: the first plug (13) is connected to the liquid inlet (11) through a first connecting rope (131), and the second plug (14) is connected to the liquid outlet (12) through a second connecting rope (141).

4. The bone marrow harvesting and back-transfusion integrated device according to claim 2, wherein: comprises a liquid inlet pipe (21) which can be connected with the liquid inlet (11) and a liquid outlet pipe (22) which can be connected with the liquid outlet (12).

5. The bone marrow harvesting and back-transfusion integrated device according to claim 4, wherein: one end and inlet (11) threaded connection of feed liquor pipe (21), the other end of feed liquor pipe (21) is equipped with first closing cap of detachable (211), the one end and liquid outlet (12) threaded connection of drain pipe (22), the other end of drain pipe (22) is equipped with detachable second closing cap (221).

6. The bone marrow harvesting and back-transfusion integrated device according to claim 4 or 5, wherein: the pipe section of the liquid inlet pipe (21) is provided with a first filtering section (23), and the pipe section of the liquid outlet pipe (22) is provided with a second filtering section (24).

7. The bone marrow harvesting and back-transfusion integrated device of claim 6, wherein: an inverted U-shaped filter screen (231) with a downward opening is arranged in the first filter section (23), and a positive U-shaped filter screen (241) with an upward opening is arranged in the second filter section (24).

8. The bone marrow harvesting and back-transfusion integrated device of claim 6, wherein: a puncture pipe (222) which is obliquely arranged upwards is arranged above the liquid outlet pipe (22) corresponding to the second filtering section (24), and a third flow stopping clamp (223) is arranged on the puncture pipe (222).

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