CN213345815U

CN213345815U - Bone meal collector

Info

Publication number: CN213345815U
Application number: CN202021341232.0U
Authority: CN
Inventors: 孟祥龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-06-04
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a bone meal collector, which comprises a cylindrical shell, wherein the shell comprises an upper shell and a lower shell which are in threaded connection, a middle baffle is arranged inside the upper shell, the middle baffle divides the upper shell into a first cavity and a second cavity, the first cavity and the second cavity are communicated through a liquid guide pipeline distributed outside the upper shell, and a detachable first filter sieve is arranged in the first cavity; a detachable second filter sieve is arranged in the lower shell, the second filter sieve divides the lower shell into a third cavity and a fourth cavity, and the second cavity is communicated with the third cavity; the mesh number of first filter sieve is less than the mesh number of second filter sieve, the utility model provides a massive bone tissue and soft tissue doped problem in the bone meal of current device collection, through the double filtration effect of first filter sieve and second filter sieve, filter massive soft tissue piece or bold garrulous bone in the bone meal, remain the lower bone meal of granularity, promoted the quality of the bone meal of collecting.

Description

Bone meal collector

Technical Field

The utility model relates to the technical field of medical equipment, specific bone meal collector that says so.

Background

Bone defect can appear in modern society often, its formation reason is diversified, for rebuilding bone structure, adopt autologous bone, xenogeneic bone and artificial material as commonly used repair material more, but according to the restoration effect selection, preferably adopt autologous bone material, in order to collect enough autologous bone meal, the art person adopts the abrasive drill to polish out the bone meal from same patient's other places more, wash with normal saline to the dedicated collection equipment of cooperation, collect the normal saline that mixes the bone meal and filter and obtain required bone meal material. However, since a plurality of soft tissue blocks are remained in the bone meal in the material drawing process, various large soft tissue blocks are mixed in the obtained bone meal material, the quality of the bone meal is reduced, the healing time of the bone repair of a patient is prolonged, and even the bone is not healed.

Chinese patent document CN104665936A discloses a disposable intraoperative bone meal collector, which relates to the field of medical equipment and comprises a collection container, a negative pressure connecting pipe and a middle ear aspirator connecting pipe, wherein a detachable end cover is arranged at one end of the collection container, the end cover is communicated with the middle ear aspirator connecting pipe, and a middle ear aspirator connecting head is arranged at one end, far away from the end cover, of the middle ear aspirator connecting pipe; the other end of the collecting container is communicated with a negative pressure connecting pipe; a negative pressure suction device joint is arranged at one end of the negative pressure connecting pipe, which is far away from the collecting container; and a filtering device is arranged in the collecting container and is connected with the inner wall of the collecting container. The bone meal collector in this patent has realized the collection to bone meal material, but the bone meal of collecting in the device can mix a large amount of great tissue pieces of granularity, has seriously reduced bone meal quality.

Chinese patent document CN209347718U discloses a bone meal collecting and cleaning device, which comprises a bone meal collecting tank and a bone meal separator; the bone meal collecting tank comprises a tank body, the tank body is provided with an opening, the opening is in threaded connection with a cover body, a first inserting pipe and a second inserting pipe are arranged on the cover body, the first inserting pipe is inserted with a connecting hose, and the connecting hose is inserted with a hard suction head; the second plug pipe is connected with a negative pressure hose, the negative pressure hose is provided with an adapter, and the adapter is connected with a medical aspirator; the bone meal separator comprises an upper round tube and a lower bracket, wherein the upper round tube is hollow and is provided with a channel, and a filtering membrane is arranged in the channel along the end surface of the upper round tube; the lower bracket is provided with a clamping and embedding channel; bone meal collection tank forms the negative pressure through medical aspirator in the inside of jar body and inhales jar this internally with the bone meal along with the flush fluid, and in the bone meal separator was poured into to the waste liquid of jar this internal collection, waste liquid and bone meal separation are separated to the filtration membrane in the pipe in utilizing, realize the collection and the separation of bone meal, improved the speed that the bone meal was collected, was separated and was taken out greatly, but this patent does not solve the problem that the bold tissue adulterated equally, and the bone meal quality is low.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model discloses a bone meal collector has solved the problem of bold tissue doping in the bone meal that current device was collected, through the dual filtration effect of first filter sieve and second filter sieve, filters bold soft tissue piece or bold broken bone in the bone meal, remains the lower bone meal of granularity, has promoted the quality of the bone meal of collecting.

The utility model discloses a specific technical scheme as follows: a bone meal collector comprises a cylindrical shell, wherein the shell comprises an upper shell and a lower shell which are in threaded connection, a middle partition plate is arranged in the upper shell and divides the upper shell into a first cavity and a second cavity, the first cavity and the second cavity are communicated through liquid guide pipelines distributed on the outer side of the upper shell, and a detachable first filter screen is arranged in the first cavity; a detachable second filter sieve is arranged in the lower shell, the second filter sieve divides the lower shell into a third cavity and a fourth cavity, and the second cavity is communicated with the third cavity; the mesh number of the first filter screen is smaller than that of the second filter screen.

The shell structure of the bone meal collector is compact, the tissue and the particle of the larger granularity doped in the bone meal can be filtered out by the first filter sieve in the first cavity, the second cavity and the third cavity are communicated and jointly form a bone meal collecting area, the bone meal of the smaller granularity flows into the bone meal collecting area along with the mixed liquid, and after the bone meal is filtered out by the second filter sieve, the residual liquid is discharged into the fourth cavity, the tissue and the particle of the larger granularity are sequentially filtered out by the double filtering action of the first filter sieve and the second filter sieve, the quality of the collected bone meal is improved, and the subsequent waste treatment is facilitated.

Because the second filter sieve can be dismantled, after the bone meal is collected, can unscrew from the threaded connection department between epitheca and the inferior valve, take out the second filter sieve, be convenient for the bone meal take out.

Further, the top of epitheca is provided with the upper cover, the upper cover is equipped with into the liquid mouth, go into liquid mouth and first cavity intercommunication.

Further, a liquid outlet is formed in the bottom of the lower shell and communicated with the fourth cavity.

Furthermore, the second filter sieve is a cylinder, a cylindrical hollow cavity is arranged in the second filter sieve, the top of the second filter sieve is open, and a plurality of liquid drainage through holes are formed in the bottom of the second filter sieve.

Furthermore, the diameter of the second cavity is smaller than that of the third cavity, the diameter of the hollow cavity in the second filter sieve is larger than or equal to that of the second cavity, the outer diameter of the second filter sieve is smaller than or equal to that of the third cavity, and the structure ensures that the second filter sieve is always limited by the second cavity and the third cavity when the second filter sieve is located inside the shell, so that the filter sieve is prevented from shaking inside the shell, and the filtering effect is reduced.

Further, including extrusion device, extrusion device is along casing axial motion, and it includes stripper plate, extrusion handle, extrusion spring and connecting rod, the stripper plate is located the second cavity, along the axial displacement of second cavity, the one end and the stripper plate fixed connection of connecting rod, the other end pass intermediate bottom, first filter sieve and upper cover and extrusion handle threaded connection, the part cover that is in the casing outside on the connecting rod has the extrusion spring, extrusion spring one end is hugged closely the upper cover, and the extrusion handle is hugged closely to the other end. This extrusion device can be with the bone meal suppression design of collecting, and the remaining waste liquid in the bone meal of discharging is convenient for the bone meal to take out and preserve to bone meal quality has further been promoted.

Furthermore, the diameter of the extrusion disc is slightly smaller than that of the hollow cavity in the second filter sieve.

Furthermore, a first positioning step is arranged in a first cavity in the upper shell and corresponds to the position of the first filter sieve.

Furthermore, a second positioning step is arranged at the connecting position of the third cavity and the fourth cavity in the lower shell.

The positioning step is used for positioning the position of the filter screen in the shell.

Compared with the prior art, the utility model, have following advantage:

1) the utility model discloses well adoption two filtration, filter out bold soft tissue and large granule bone piece in advance through once filtering, rethread secondary filter filters out the bone meal, has guaranteed that the final bone meal granularity of holding back is even, has promoted the bone meal quality of collecting.

2) The utility model discloses in collect, wash, the design function with the bone meal closes an organic whole, need not to shift the bone meal substep, reduced the time that the bone meal gathered the processing, promoted collection efficiency.

3) The utility model discloses in increased the device that extrudees the design, can collect clear completion back at the bone meal, extrude remaining normal saline and blood in the bone meal and stereotype the bone meal, promote the quality of gathering the bone meal, detachable filter sieve is convenient for also take out the bone meal simultaneously.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention illustrating an internal structure of a bone powder collector;

the specific meanings of the reference numbers in the drawings:

1-shell, 101-lower shell, 10111-third cavity, 10112-fourth cavity, 102-upper shell, 10211-first cavity, 10212-second cavity, 103-liquid guide pipeline, 104-upper cover, 105-second filter screen, 10511-second positioning step, 106-intermediate partition, 107-first filter screen, 10711-first positioning step, 2-extrusion device, 201-extrusion handle, 202-extrusion spring, 203-connecting rod, 204-extrusion disc, 3-liquid inlet and 4-liquid outlet.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that the embodiments described herein are merely illustrative and explanatory of the present invention, and are not restrictive of the invention.

Example 1:

referring to fig. 1, in this embodiment 1, a bone powder collector is disclosed, which includes a cylindrical housing 1, where the housing 1 includes an upper casing 102 and a lower casing 101, the upper casing 102 is connected to the lower casing 101 by a screw thread, a middle partition 106 is disposed inside the upper casing 102, the middle partition 106 divides the upper casing 102 into a first cavity 10211 and a second cavity 10212, the first cavity 10211 is communicated with the second cavity 10212 by a liquid guide pipe 103 distributed outside the upper casing, and a detachable first filter sieve 107 is disposed in the first cavity 10211; a detachable second filter sieve 105 is arranged inside the lower shell 101, the second filter sieve 105 divides the lower shell 101 into a third cavity 10111 and a fourth cavity 10112, and the second cavity 10212 is communicated with the third cavity 10111; the mesh size of the first filter screen 107 is smaller than the mesh size of the second filter screen 105.

An upper cover 104 is disposed on the top of the upper housing 102, the upper cover 104 is provided with a liquid inlet 3, and the liquid inlet 3 is communicated with the first cavity 10211.

The bottom of inferior valve 101 is equipped with liquid outlet 4, liquid outlet 4 and fourth cavity 10112 intercommunication.

The second filter sieve 105 is a cylinder, and is internally provided with a cylindrical hollow cavity, the top of the cylindrical hollow cavity is open, and the bottom of the cylindrical hollow cavity is provided with a plurality of liquid drainage through holes.

The diameter of the second cavity 10212 is smaller than that of the third cavity 10111, the diameter of the hollow cavity in the second filter screen 105 is larger than or equal to that of the second cavity 10212, and the outer diameter of the second filter screen 105 is smaller than or equal to that of the third cavity 10111.

This collector still includes extrusion device 2, extrusion device 2 is along casing 1 axial motion, and it includes extrusion dish 204, extrusion handle 201, extrusion spring 202 and connecting rod 203, extrusion dish 204 is located second cavity 10212, along the axial displacement of second cavity 10212, the one end and the extrusion dish 204 fixed connection of connecting rod 203, the other end pass intermediate bottom 106, first filter sieve 107, upper cover 104 back, with extrusion handle 201 threaded connection, the part cover that is in the casing outside on the connecting rod 203 has extrusion spring 202, extrusion spring 202 one end is hugged closely upper cover 104, and extrusion handle 201 is hugged closely to the other end.

The diameter of the squeeze tray 204 is slightly smaller than the diameter of the hollow cavity in the second filter screen 105.

A first positioning step 10711 is disposed in the first cavity 10211 of the upper housing 102 at a position corresponding to the first filter screen 107.

And a second positioning step 10511 is arranged at the connecting position of the third cavity 10111 and the fourth cavity 10112 in the lower shell 101.

The working process of the bone meal collector is as follows:

firstly, a liquid inlet in a bone powder collector is communicated with an aspirator through a guide pipe, a liquid outlet is communicated with a waste liquid collecting device through a guide pipe, an operator holds a grinding drill to continuously grind required bone powder, simultaneously, physiological saline is adopted to wash a grinding part, the aspirator is used to continuously attract physiological saline mixed liquid containing the bone powder and soft tissue blocks, the mixed liquid is led into a first cavity through the liquid inlet of the bone powder collector, large soft tissue blocks and large bone blocks are filtered out through a first filtering sieve, the mixed liquid flows into a bone powder collecting area jointly formed by a second cavity and a third cavity, the bone powder is filtered out through a second filtering sieve, the residual liquid permeates into a fourth cavity and is led into the waste liquid collecting device through the liquid outlet, and because the bone powder which is just collected contains components such as blood, a large amount of clean physiological saline can be led into the aspirator to wash the large tissue blocks and the bone powder after filtration, simultaneously this cleaning process still can wash the bone meal that holds back in the first filter sieve to second filter sieve department, fully collects the bone meal material, washes the back that finishes, and the operator can push down the extrusion handle, extrudees the bone meal material through the extrusion dish, extrudees remaining normal saline in the bone meal collecting region, stereotypes the bone meal simultaneously, is convenient for follow-up use of taking out.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.

Claims

1. A bone powder collector comprising a cylindrical housing characterized by: the shell comprises an upper shell and a lower shell which are in threaded connection, a middle partition plate is arranged in the upper shell, the upper shell is divided into a first cavity and a second cavity by the middle partition plate, the first cavity and the second cavity are communicated through liquid guide pipelines distributed on the outer side of the upper shell, and a detachable first filter sieve is arranged in the first cavity; a detachable second filter sieve is arranged in the lower shell, the second filter sieve divides the lower shell into a third cavity and a fourth cavity, and the second cavity is communicated with the third cavity; the mesh number of the first filter screen is smaller than that of the second filter screen.

2. Bone meal collector according to claim 1, characterized in that: the top of epitheca is provided with the upper cover, the upper cover is equipped with into liquid mouth, go into liquid mouth and first cavity intercommunication.

3. Bone meal collector according to claim 2, characterized in that: and a liquid outlet is formed in the bottom of the lower shell and communicated with the fourth cavity.

4. Bone meal collector according to claim 3, characterized in that: the second filter sieve is a cylinder, a cylindrical hollow cavity is arranged in the second filter sieve, the top of the second filter sieve is open, and a plurality of liquid drainage through holes are formed in the bottom of the second filter sieve.

5. Bone meal collector according to claim 4, characterized in that: the diameter of the second cavity is smaller than that of the third cavity, the diameter of the hollow cavity in the second filter sieve is larger than or equal to that of the second cavity, and the outer diameter of the second filter sieve is smaller than or equal to that of the third cavity.

6. Bone meal collector according to claim 5, characterized in that: including extrusion device, extrusion device is along casing axial motion, and it includes stripper disk, extrusion handle, extrusion spring and connecting rod, the stripper disk is located the second cavity, along the axial displacement of second cavity, the one end and the stripper disk fixed connection of connecting rod, the other end pass intermediate bottom, first filter sieve and upper cover and extrusion handle threaded connection, the part cover that is in the casing outside on the connecting rod has the extrusion spring, extrusion spring one end is tightly pasted the upper cover, and the extrusion handle is hugged closely to the other end.

7. Bone meal collector according to claim 6, wherein: the diameter of the extrusion disc is slightly smaller than that of the hollow cavity in the second filter sieve.

8. Bone meal collector according to claim 7, characterized in that: a first positioning step is arranged in a first cavity in the upper shell and corresponds to the position of the first filter sieve.

9. Bone meal collector according to claim 8, wherein: and a second positioning step is arranged at the connecting position of the third cavity and the fourth cavity in the lower shell.