CN215778497U

CN215778497U - A collection system for bone marrow is transplanted

Info

Publication number: CN215778497U
Application number: CN202121923209.7U
Authority: CN
Inventors: 赵静
Original assignee: Yantai Yuhuangding Hospital
Current assignee: Yantai Yuhuangding Hospital
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-11
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a collecting device for bone marrow transplantation, which belongs to the technical field of medical instruments and comprises a collector main body, the bottom of the collector body is provided with a puncture needle, the outer side wall of the collector body is provided with a debugging mechanism, the four lifting mechanisms are connected with the debugging mechanism, lifting pipes are arranged on the four lifting mechanisms, the inner gear ring is pushed clockwise to rotate, meanwhile, the threaded rod rotates along with the threaded sleeve, the threaded sleeve drives the pressing ring to gradually descend through the lifting pipe, after the position of the pressing ring is confirmed, the puncture needle is gradually inserted into the human body, when the press ring contacts with a human body to play a role in blocking, the puncture needle cannot go deep into the human body, so that the length of the puncture needle penetrating into the human body can be adjusted in advance, the length of the puncture needle entering into the human body is fixed, and the injury of the patient caused by the fact that the puncture needle excessively goes deep into the human body due to human error is avoided.

Description

A collection system for bone marrow is transplanted

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a collecting device for bone marrow transplantation.

Background

Bone marrow puncture is a common diagnostic technique for collecting marrow fluid, and bone marrow is required to be collected when bone marrow transplantation is carried out, and a collection device is required to be used by common medical personnel when the bone marrow is required to be collected, and most of the existing collection devices mainly use puncture needles.

When the puncture needle is used, a medical worker holds the puncture needle by hand to insert the puncture needle into the skin of people, but the puncture needle cannot be accurately controlled to be inserted into the human body due to manual operation, so that the medical worker easily makes mistakes, the puncture needle is too long to be inserted into the human body, and the patient is easily injured.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a collecting device for bone marrow transplantation, which solves the problem that the existing puncture needle cannot fix the length of the puncture needle entering a human body and is easy to injure a patient.

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

the utility model provides a collection system for bone marrow is transplanted, includes the collector main part, the bottom of collector main part is provided with the pjncture needle, be provided with debug mechanism on the lateral wall of collector main part, the last four elevating system that are connected with of debug mechanism, four be provided with the fall way in the elevating system, debug mechanism is used for driving four elevating system and operates, four elevating system is used for driving the fall way and goes up and down, be provided with two coupling mechanism on the fall way, two be provided with the clamping ring on the coupling mechanism, the bottom of fall way contacts with the top of clamping ring, and two coupling mechanism are used for connecting fall way and clamping ring.

As a preferable scheme of the utility model, the debugging mechanism comprises a sleeve block and an inner toothed ring, the sleeve block is fixedly sleeved on the outer side wall of the collector main body, and the top of the inner toothed ring is rotatably connected with the bottom of the sleeve block.

As a preferable scheme of the utility model, the lifting mechanism comprises a gear, a threaded rod, a threaded sleeve and a limiting block, the top of the gear is rotatably connected with the bottom of the sleeve block, the gear is positioned inside the inner toothed ring, the outer side wall of the gear is meshed with the inner side wall of the inner toothed ring, the top end of the threaded rod is fixedly connected with the bottom of the gear, the threaded sleeve is sleeved on the outer side wall of the threaded rod in a threaded manner, the outer side wall of the threaded sleeve is fixedly connected with the outer side wall of the lifting pipe, and the top of the limiting block is fixedly connected with the bottom end of the threaded rod.

As a preferable scheme of the utility model, the connecting mechanism comprises a limiting hole, an installation block and an easily-screwed bolt, the limiting hole is formed in the outer side wall of the lifting pipe, the bottom of the installation block is fixedly connected with the top of the compression ring, and one end of the easily-screwed bolt penetrates through the installation block and is in threaded connection with the inner wall of the limiting hole.

As a preferred scheme of the utility model, the outer side wall of the lifting pipe is fixedly connected with a fixed block, the top of the fixed block is fixedly connected with a measuring rod, the outer side wall of the measuring rod is provided with a scale value, the outer side wall of the measuring rod is slidably sleeved with an inner slip lantern ring, and the outer side wall of the inner slip lantern ring is fixedly connected with the outer side wall of the lantern block.

As a preferable scheme of the utility model, the outer side wall of the inner gear ring is provided with a plurality of anti-slip grooves, and the plurality of anti-slip grooves are annularly arranged on the outer side wall of the inner gear ring.

Compared with the prior art, the utility model has the advantages that:

(1) according to the utility model, the inner gear ring is pushed clockwise to rotate, the gear is pushed by the inner gear ring to rotate, meanwhile, the threaded rod rotates along with the inner gear ring, the threaded sleeve drives the pressing ring to gradually descend through the lifting pipe, the position of the pressing ring is raised by rotating the inner gear ring anticlockwise, the puncture needle is gradually punctured into the human body after the position of the pressing ring is confirmed, and when the pressing ring contacts the human body to play a blocking role, the puncture needle cannot continuously go deep into the human body, so that the length of the puncture needle punctured into the human body can be adjusted in advance, the length of the puncture needle entering the human body is fixed, and the injury of the puncture needle to the patient caused by the fact that the puncture needle excessively goes deep into the human body due to human errors is avoided.

(2) According to the utility model, the bolt which is easy to screw is rotated out of the limiting hole, the press ring can be disassembled and replaced, the press ring can be replaced after being used by a patient each time, the sanitation degree of the device is improved, when the lifting pipe moves to rise or fall, the measuring rod can be pushed or pulled through the fixing block, the measuring rod slides in the inner sliding sleeve ring, and a worker confirms the length of the puncture needle penetrating into the human body part by observing the scale value of the measuring rod which is higher than the ring part of the inner sliding sleeve, so that the medical worker can more conveniently see the length of the puncture needle penetrating into the patient, the medical worker can conveniently operate the device, and when the device is not used, the puncture needle is covered by the lifting pipe, and the puncture needle can be prevented from being damaged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of the lifting mechanism of the present invention;

FIG. 3 is a schematic view of the connection mechanism of the present invention;

fig. 4 is a schematic view of the position of the measuring rod according to the present invention.

The reference numbers in the figures illustrate:

1. a collector body; 2. puncturing needle; 3. a lifting pipe; 4. pressing a ring; 5. sleeving blocks; 6. an inner gear ring; 7. a gear; 8. a threaded rod; 9. a threaded bushing; 10. a limiting block; 11. a limiting hole; 12. mounting blocks; 13. the bolt is easy to screw; 14. a fixed block; 15. a measuring rod; 16. an inner slip collar.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, a collection device for bone marrow transplantation comprises a collector body 1, wherein a puncture needle 2 is arranged at the bottom of the collector body 1, a debugging mechanism is arranged on the outer side wall of the collector body 1, four lifting mechanisms are connected to the debugging mechanism, lifting pipes 3 are arranged on the four lifting mechanisms, the debugging mechanism is used for driving the four lifting mechanisms to operate, the four lifting mechanisms are used for driving the lifting pipes 3 to lift, two connecting mechanisms are arranged on the lifting pipes 3, a compression ring 4 is arranged on the two connecting mechanisms, the bottom end of each lifting pipe 3 is in contact with the top of the compression ring 4, and the two connecting mechanisms are used for connecting the lifting pipes 3 and the compression ring 4.

In this embodiment, drive elevating system through the debugging mechanism and drive elevator 3 and go up and down, elevator 3 drives clamping ring 4 height-adjusting, comes the length that restriction pjncture needle 2 pricked the human body through clamping ring 4, avoids the pjncture needle 2 of overlength to prick the human body, pricks collector main part 1 behind the human body and gathers the marrow through pjncture needle 2, extracts pjncture needle 2 after gathering the completion, dismantles clamping ring 4 through coupling mechanism, changes clamping ring 4 and improves sanitary degree.

Concretely, the adjustment mechanism includes lantern ring 5 and internal gear ring 6, the lateral wall at collector main part 1 is established to the 5 fixed cover of lantern ring, the top of internal gear ring 6 is rotated with the bottom of lantern ring 5 and is connected, elevating system includes gear 7, threaded rod 8, threaded sleeve 9 and stopper 10, the top of gear 7 is rotated with the bottom of lantern ring 5 and is connected, gear 7 is located internal gear ring 6's inside, the lateral wall of gear 7 meshes with internal gear ring 6's inside wall mutually, the top of threaded rod 8 and the bottom fixed connection of

gear

7, 9 threaded sleeve establish the lateral wall at threaded rod 8, the lateral wall of threaded sleeve 9 and the lateral wall fixed connection of fall way 3, the top of stopper 10 and the bottom fixed connection of threaded rod 8, a plurality of anti-skidding grooves have been seted up to internal gear ring 6's lateral wall, a plurality of anti-skidding grooves are the annular setting internal gear ring 6's lateral wall.

In this embodiment, it is rotatory through clockwise promotion internal gear ring 6, internal gear ring 6 will promote gear 7 and rotate, threaded rod 8 is rotatory along with, threaded sleeve 9 will drive clamping ring 4 through elevator 3 and descend gradually, internal gear ring 6 will let the position of clamping ring 4 rise in the anticlockwise rotation of reason, after confirming the position of clamping ring 4, prick puncture needle 2 into human inside gradually, contact the human body when clamping ring 4 and play and block the effect, puncture needle 2 just can't continue to go deep into the human body, let puncture needle 2 prick the length of human inside like this and can adjust in advance, fixed puncture needle 2 gets into human inside length, avoid leading to puncture needle 2 to excessively deep into the human body and leading to the fact the injury to the patient because of human error.

Specifically, coupling mechanism includes spacing hole 11, installation piece 12 and easily twist bolt 13, the lateral wall at elevator pipe 3 is seted up in spacing hole 11, the bottom of installation piece 12 and the top fixed connection of clamping ring 4, the one end of easily twisting bolt 13 run through installation piece 12 and with spacing hole 11's inner wall threaded connection, elevator pipe 3's lateral wall fixedly connected with fixed block 14, fixed block 14's top fixedly connected with measuring stick 15, the lateral wall of measuring stick 15 is provided with the scale interval, the inside slip lantern ring 16 has been cup jointed in measuring stick 15's lateral wall slip, the lateral wall of inside slip lantern ring 16 and the lateral wall fixed connection of sleeve 5.

In this embodiment, through will easily twist inside bolt 13 rotates out spacing hole 11, can dismantle clamping ring 4 and change, clamping ring 4 can change after a patient uses at every turn, the sanitary degree of this device has been improved, and when ascending and descending pipe 3 removes and risees or descend, will promote or stimulate measuring stick 15 through fixed block 14, measuring stick 15 slides inside the interior slip ring 16, the staff confirms the length that pjncture needle 2 pricked human body part through observing the scale interval that measuring stick 15 is higher than in the interior slip ring 16 part, let medical personnel can see pjncture needle 2 and prick the inside length of patient more conveniently like this, make things convenient for medical personnel to operate this device, cover pjncture needle 2 through ascending and descending pipe 3 when this device does not use, can avoid pjncture needle 2 to receive the damage.

The working principle is as follows: by clockwise pushing the inner ring gear 6 to rotate, the inner ring gear 6 can push the gear 7 to rotate, meanwhile, the threaded rod 8 rotates along with the inner ring gear, the threaded sleeve 9 can drive the pressing ring 4 to gradually descend through the lifting pipe 3, the inner ring gear 6 rotates anticlockwise to enable the position of the pressing ring 4 to rise, after the position of the pressing ring 4 is confirmed, the puncture needle 2 is gradually inserted into the human body, when the pressing ring 4 contacts the human body to play a blocking role, the puncture needle 2 cannot continuously extend into the human body, so that the length of the puncture needle 2 inserted into the human body can be adjusted in advance, the length of the puncture needle 2 entering the human body is fixed, the condition that the puncture needle 2 excessively extends into the human body to hurt a patient due to human error is avoided, the bone marrow is collected through the puncture needle 2 by the collector body 1 inserted into the human body, the puncture needle 2 is extracted after collection is finished, the bolt 13 which is easy to be twisted is rotated out of the limiting hole 11, can dismantle clamping ring 4 and change, can change after clamping ring 4 uses through a patient at every turn, the sanitary degree of this device has been improved, and when 3 removal risees or descend of fall way, will promote or stimulate measuring stick 15 through fixed block 14, measuring stick 15 slides inside the interior slip ring cover 16, the length that pjncture needle 2 pricked into human part is confirmed through observing the scale interval that measuring stick 15 is higher than in the slip ring cover 16 part to the staff, let medical personnel can see the inside length of pjncture needle 2 pricked into the patient more conveniently like this, make things convenient for this device of medical personnel's operation, cover pjncture needle 2 through fall way 3 when this device does not use, can avoid pjncture needle 2 to receive the damage.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. A collection device for bone marrow transplantation, comprising a collector body (1), characterized in that: the bottom of collector main part (1) is provided with pjncture needle (2), be provided with adjustment mechanism on the lateral wall of collector main part (1), adjustment mechanism is last to be connected with four elevating system, four be provided with fall way (3) on the elevating system, adjustment mechanism is used for driving four elevating system and operates, four elevating system is used for driving fall way (3) and goes up and down, be provided with two coupling mechanism on fall way (3), two be provided with clamping ring (4) on the coupling mechanism, the bottom of fall way (3) contacts with the top of clamping ring (4), and two coupling mechanism are used for connecting fall way (3) and clamping ring (4).

2. The harvesting device for bone marrow transplantation as set forth in claim 1, wherein: debugging mechanism includes nested piece (5) and interior ring gear (6), the lateral wall at collector main part (1) is established to nested piece (5) fixed cover, the top of interior ring gear (6) is rotated with the bottom of nested piece (5) and is connected.

3. A harvesting device for bone marrow transplantation according to claim 2, wherein: elevating system includes gear (7), threaded rod (8), threaded sleeve (9) and stopper (10), the top of gear (7) is rotated with the bottom of nested piece (5) and is connected, gear (7) are located the inside of interior ring gear (6), the lateral wall of gear (7) meshes with the inside wall of interior ring gear (6), the top of threaded rod (8) and the bottom fixed connection of gear (7), the lateral wall at threaded sleeve (9) threaded sleeve is established at the lateral wall of threaded rod (8), the lateral wall of threaded sleeve (9) and the lateral wall fixed connection of fall way (3), the bottom fixed connection of the top of stopper (10) and threaded rod (8).

4. A harvesting device for bone marrow transplantation according to claim 3, wherein: coupling mechanism includes spacing hole (11), installation piece (12) and easily twists bolt (13), the lateral wall in elevator pipe (3) is seted up in spacing hole (11), the top fixed connection of the bottom of installation piece (12) and clamping ring (4), the one end of easily twisting bolt (13) run through installation piece (12) and with the inner wall threaded connection in spacing hole (11).

5. A harvesting device for bone marrow transplantation according to claim 4, wherein: the lateral wall fixedly connected with fixed block (14) of fall way (3), the top fixedly connected with measuring stick (15) of fixed block (14), the lateral wall of measuring stick (15) is provided with the scale interval, the lateral wall of measuring stick (15) slides and has cup jointed interior slip ring cover (16), the lateral wall of interior slip ring cover (16) and the lateral wall fixed connection of nested piece (5).

6. A harvesting device for bone marrow transplantation according to claim 5, wherein: a plurality of anti-skidding grooves are formed in the outer side wall of the inner gear ring (6), and the anti-skidding grooves are annularly formed in the outer side wall of the inner gear ring (6).