CN217793139U

CN217793139U - Bone marrow collecting device with filtering function

Info

Publication number: CN217793139U
Application number: CN202221498801.1U
Authority: CN
Inventors: 张卉春
Original assignee: First Medical Center of PLA General Hospital
Current assignee: First Medical Center of PLA General Hospital
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-15
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a medical supplies technical field's a bone marrow collection system from taking filtering capability, including the collection pipe, the fixed first connecting seat that is equipped with of collection pipe lower extreme, the fixed syringe needle that is equipped with of first connecting seat downside, the matching of first connecting seat side is equipped with first switch, the fixed second connecting seat that is equipped with of collection pipe lower extreme lateral wall, the matching of second connecting seat upside is equipped with the second switch, the matching of collection pipe side is equipped with the receiving flask, the matching is equipped with coupling hose between receiving flask and the collection pipe, the fixed first connector that is equipped with of coupling hose one end, screw thread accordant connection between first connector and the second connecting seat, and the matching is equipped with the filter core, the coupling hose other end is fixed to be equipped with the second connector, the inside matching of receiving flask is equipped with the filter screen, the closing cap upside is equipped with one-way bleeder vent. The utility model discloses effectively simplified the filtering operation step, when satisfying convenient filterable, can realize gathering fast and collecting the effect of bone marrow liquid, whole work efficiency is higher.

Description

Bone marrow collecting device with filtering function

Technical Field

The utility model relates to the technical field of medical supplies, especially, relate to a from marrow collection system of taking filtering capability.

Background

The hematopoietic stem cells can rebuild human hematopoietic and immune systems, the bone marrow contains hematopoietic stem cells, the bone marrow collection can be used for hematopoietic stem cell transplantation and treating diseases of blood systems, immune systems, genetic metabolism and the like, and in the bone marrow collection process, because collected bone marrow blood contains some bone marrow granules, filtration measures are required.

Current marrow is gathered mostly adopts the bone puncture needle to gather, extracts the back through the syringe, need carry out many times once more and shift and filter, and whole operating procedure is more, has increased medical personnel working strength, has influenced the efficiency that the marrow was gathered.

As in the Chinese patent: CN211094314U discloses a marrow collection system still specifically discloses including gathering pipe and pjncture needle, and the pjncture needle setting is in gathering socle portion, and pjncture needle bottom side is equipped with the mesh, gathers socle portion side and is equipped with first interface, and first interface top is equipped with the switch, and first interface is equipped with the connecting pipe, and the connecting pipe top is equipped with the check valve, and the connecting pipe bottom is equipped with the second interface, and second interface bottom is equipped with filter equipment, and the filter equipment bottom is equipped with the stock solution bottle.

The utility model discloses there are some weak points: although it has effectively reduced secondary filter's step, the collection pipe and the connecting pipe interconnect of its setting, and the stock solution bottle of being connected with the connecting pipe, when operating, because medical personnel need handheld collection pipe to extract and gather, the connecting pipe and the stock solution bottle of its setting can be gathered the pipe and move together in the area this moment, can cause the hindrance to gathering the operation, and the stock solution bottle of its setting has the problem of pressure, the suction in-process, gather intraduct production negative pressure, marrow liquid hardly flows into in the stock solution bottle.

Therefore, we propose a bone marrow harvesting device with a filtering function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bone marrow collecting device with a filtering function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bone marrow collection system from taking filtering capability, includes the collection pipe, the fixed first connecting seat that is equipped with of collection pipe lower extreme, the fixed syringe needle that is equipped with of first connecting seat downside, the matching of first connecting seat side is equipped with first switch, the fixed second connecting seat that is equipped with of collection pipe lower extreme lateral wall, the matching of second connecting seat upside is equipped with the second switch, the matching of collection pipe side is equipped with the receiving flask, the matching is equipped with coupling hose between receiving flask and the collection pipe, the fixed first connector that is equipped with of coupling hose one end, screw thread accordant connection between first connector and the second connecting seat, and the matching is equipped with the filter core, the fixed second connector that is equipped with in coupling hose other end, receiving flask threaded connection has the closing cap, and second connector and closing cap screw thread accordant connection, the inside matching of receiving flask is equipped with the filter screen, the closing cap upside is equipped with the notes entry, the receiving flask lower extreme is equipped with the leakage fluid dram, the closing cap upside is equipped with one-way bleeder vent.

Preferably, the first connecting seat and the second connecting seat are both communicated with the collecting pipe, and the first switch and the second switch both play a role in opening and closing.

Preferably, the filter core is cylindric, first connector inside is equipped with the cavity that matches with the filter core.

Preferably, the filter screen is circular, the filter screen is located between closing cap and the receiving flask, and closing cap and receiving flask carry out the clamping to the filter screen side, transversely fixed backup pad that is equipped with on the filter screen, the vertical stirring rod that is equipped with of backup pad lower extreme, the stirring rod upper end passes through the ball hub connection with the backup pad downside.

Preferably, the side wall of the collecting bottle is provided with scales in a matching manner, and the outside of the collecting bottle is provided with a supporting frame in a matching manner.

Preferably, the upper injection port penetrates through the sealing cover, the liquid outlet penetrates through the collecting bottle, rubber layers are fixedly arranged inside the upper injection port and the liquid outlet, and the rubber layers are used for sealing.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up and gather pipe and receiving flask, and connect through coupling hose between gathering pipe and receiving flask, make the gathering pipe when carrying out the suction operation, the receiving flask can not remove along with it, can not cause great hindrance to the operation, operating efficiency has effectively been improved, and through setting up first connector and filter core in coupling hose one end, set up the filter screen in the receiving flask, thereby realize the multistage filtration to marrow liquid, realize taking filterable function certainly in the acquisition process, operating procedure has effectively been simplified, medical personnel's working strength has been alleviateed, working efficiency has been improved, simultaneously through setting up the first switch that matches with the syringe needle, set up the second switch that corresponds with first connector, and set up one-way bleeder vent on the closing cap of receiving flask, when suction operation, can open first switch, close the second switch, when suction and begin to pour into the receiving flask into, can close first switch, open the second switch, pour into the operation into, under one-way bleeder vent, the problem of pressure has effectively been avoided, ensure in the effectual quick infusion receiving flask of marrow liquid finishes, further improve work efficiency.

Drawings

Fig. 1 is a schematic structural view of a bone marrow harvesting device with a filtering function according to the present invention;

fig. 2 is a schematic view of a dispersed structure of a bone marrow harvesting device with a filtering function provided by the present invention;

fig. 3 is a schematic view of the internal structure of a collection bottle of the bone marrow harvesting device with a filtering function according to the present invention.

In the figure: the device comprises a collection pipe 1, a first connecting seat 2, a needle 3, a first switch 4, a second connecting seat 5, a second switch 6, a collection bottle 7, a connecting hose 8, a first connecting joint 9, a second connecting joint 10, a sealing cover 11, a filter screen 12, an upper injection port 13, a liquid discharge port 14, a support plate 15, a stirring rod 16, a support frame 17, a filter element 18 and a unidirectional air vent 19.

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.

Referring to fig. 1-3, because the existing bone marrow collecting device has more filtering steps in the existing bone marrow collecting process, and the existing bone marrow collecting device has a certain obstruction in the collecting operation, and the bone marrow liquid hardly flows into the liquid storage bottle in the suction process, the scheme provides a bone marrow collecting device with a filtering function, which comprises a collecting tube 1, wherein the collecting tube 1 is the same as the existing injector and comprises a sleeve and a push rod, the suction operation can be performed, a first connecting seat 2 is fixedly arranged at the lower end of the collecting tube 1, a needle head 3 is fixedly arranged at the lower side of the first connecting seat 2, the needle head 3 is used for collecting the bone marrow liquid into the collecting tube 1, a first switch 4 is arranged on the side surface of the first connecting seat 2 in a matching manner, a second connecting seat 5 is fixedly arranged on the side wall of the lower end of the collecting tube 1, the first connecting seat 2 and the second connecting seat 5 are both communicated with the collecting tube 1, a second switch 6 is arranged on the upper side of the second connecting seat 5 in a matching manner, the first switch 4 and the second switch 6 can be opened and closed effectively;

the collecting bottle 7 is arranged on the side edge of the collecting pipe 1 in a matched mode, the collecting bottle 7 is used for collecting bone marrow liquid, scales are arranged on the side wall of the collecting bottle 7 in a matched mode, the scales correspond to milliliter quantity, a supporting frame 17 is arranged outside the collecting bottle 7 in a matched mode, the collecting bottle 7 is used for stably placing the collecting bottle 7, a connecting hose 8 is arranged between the collecting bottle 7 and the collecting pipe 1 in a matched mode, the connecting hose 8 plays a connecting role and has a certain length, a first connecting head 9 is fixedly arranged at one end of the connecting hose 8, the first connecting head 9 is connected with a second connecting head 5 in a threaded matching mode, namely the second connecting head 5 and the first connecting head 9 are both provided with corresponding threads, the second connecting head and the first connecting head can be connected in a threaded sealing mode, a filter element 18 is arranged in the first connecting head 9 in a matched mode, the filter element 18 is cylindrical, the bone marrow liquid can be filtered, a cavity matched with the filter element 18 is arranged inside the first connecting head 9, the filter element 18 is embedded into the first connecting head 9, the filter element 18 can be replaced, and the filter element 18 plays a first filtering role;

the other end of the connecting hose 8 is fixedly provided with a second connector 10, the second connector 10 plays a role in connection, the collecting bottle 7 is in threaded connection with a sealing cover 11, the second connector 10 is in threaded matching connection with the sealing cover 11, namely the sealing cover 11 is provided with a threaded connection seat matched with the second connector 10 and can be independently sealed by an existing sealing cap, the sealing cover 11 plays a role in sealing, a filter screen 12 is arranged inside the collecting bottle 7 in a matching manner, the filter screen 12 plays a role in secondary filtration, the filter screen 12 is circular, the filter screen 12 has enough area and cannot be blocked, so that replacement is not needed, the filter screen 12 is positioned between the sealing cover 11 and the collecting bottle 7, the sealing cover 11 and the collecting bottle 7 clamp the side edge of the filter screen 12, a support plate 15 is transversely and fixedly arranged on the filter screen 12, a stirring rod 16 is vertically arranged at the lower end of the support plate 15, the upper end of the stirring rod 16 is connected with the lower side of the support plate 15 through a ball shaft, and when the collecting bottle 7 is shaken, the stirring rod 16 can perform rotation stirring to enable liquid to be uniform;

11 upsides of closing cap are equipped with notes entry 13, receiving flask 7 lower extreme is equipped with

leakage fluid dram

14, 11 upsides of closing cap are equipped with one-way bleeder vent 19, one-way bleeder vent 19 can carry out one-way ventilation, and the gas flow direction is for flowing into the outside by receiving flask 7 is inside, go up notes entry 13 and run through closing cap 11, leakage fluid dram 14 runs through receiving flask 7, it all fixes being equipped with the rubber layer to go up notes entry 13 and leakage fluid dram 14 inside, the rubber layer plays effective confined effect, it is used for inserting the needle tubing to go up notes entry 13, and be used for injecting heparin liquid, heparin liquid belongs to the medicine of an anti-freezing class, leakage fluid dram 14 also can be used to the suction needle tubing, realize the use after to the marrow liquid.

The utility model discloses in, the device's theory of operation as follows:

when the bone marrow is collected, the first switch 4 is firstly turned on, the second switch 6 is turned off, the collection tube 1 is operated to suck, the bone marrow liquid is collected into the collection tube 1 through the needle 3, then the first switch 4 is turned off, the second switch 6 is turned on, the collection tube 1 is operated to inject, and the bone marrow liquid is quickly injected into the collection bottle 7 through the connecting hose 8 to be collected; in the injection process, the one-way air holes 19 can conduct one-way ventilation to ensure that the pressure in the collecting bottle 7 is stable, and in the injection process, the bone marrow liquid is filtered for the first time through the filter element 18 and filtered for the second time through the filter screen 12; after collecting a proper amount, heparin solution is injected through the upper injection port 13 by inserting a needle tube, and the collection bottle 7 is shaken, so that the stirring rod 16 uniformly stirs the inside; after the collection is completed, the second connector 10 can be removed and closed using the existing cap, and the entire collection bottle 7 can be removed from the support frame 17 for the subsequent operations.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The bone marrow collecting device with the filtering function comprises a collecting pipe (1), and is characterized in that a first connecting seat (2) is fixedly arranged at the lower end of the collecting pipe (1), a needle (3) is fixedly arranged at the lower side of the first connecting seat (2), a first switch (4) is arranged on the side face of the first connecting seat (2) in a matching manner, a second connecting seat (5) is fixedly arranged on the side wall of the lower end of the collecting pipe (1), a second switch (6) is arranged on the upper side of the second connecting seat (5) in a matching manner, a collecting bottle (7) is arranged on the side face of the collecting pipe (1) in a matching manner, a connecting hose (8) is arranged between the collecting bottle (7) and the collecting pipe (1) in a matching manner, one end of the connecting hose (8) is fixedly provided with a first connecting head (9), the first connecting head (9) is in threaded matching connection with the second connecting seat (5) in a matching manner, a filter core (18) is arranged in a matching manner, the other end of the connecting hose (8) is fixedly provided with a second connecting head (10), the collecting bottle (7) is in a threaded connection with a sealing cover (11), a filtering net (11) in a threaded connection manner, a filtering net (12) is arranged on the upper end of the collecting bottle (7), and a filtering net (12) is arranged on the collecting bottle (7) is arranged on the upper end of the collecting bottle, the upper side of the sealing cover (11) is provided with a one-way air hole (19).

2. The bone marrow collection device with the filtering function according to claim 1, characterized in that the first connection seat (2) and the second connection seat (5) are both communicated with the collection tube (1), and the first switch (4) and the second switch (6) are both opened and closed.

3. The bone marrow harvesting device with the filtering function according to claim 1, characterized in that the filter element (18) is cylindrical, and a cavity matched with the filter element (18) is arranged inside the first connector (9).

4. The bone marrow harvesting device with the filtering function according to claim 1, characterized in that the strainer (12) is circular, the strainer (12) is located between the cover (11) and the collection bottle (7), the cover (11) and the collection bottle (7) clamp the side of the strainer (12), a support plate (15) is transversely fixed on the strainer (12), a stirring rod (16) is vertically arranged at the lower end of the support plate (15), and the upper end of the stirring rod (16) is connected with the lower side of the support plate (15) through a ball shaft.

5. The bone marrow harvesting device with the filtering function according to claim 1, characterized in that the side wall of the collecting bottle (7) is provided with scales in a matching way, and the outside of the collecting bottle (7) is provided with a supporting frame (17) in a matching way.

6. The bone marrow harvesting device with the filtering function according to claim 1, characterized in that the upper injection port (13) penetrates through the cover (11), the liquid discharge port (14) penetrates through the collection bottle (7), and rubber layers are fixed inside the upper injection port (13) and the liquid discharge port (14) and used for sealing.