CN211484678U

CN211484678U - Marrow puncture extraction device for blood internal medicine

Info

Publication number: CN211484678U
Application number: CN201922041924.7U
Authority: CN
Inventors: 彭志元; 杨春秀; 伞景辉
Original assignee: Affiliated Hospital of Zunyi Medical University
Current assignee: Affiliated Hospital of Zunyi Medical University
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-09-15
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a marrow puncture draw-out device for hematology department, including injection syringe, storage tank and supporting shoe, the installation piece is installed in the lower extreme outside of injection syringe, and the first syringe needle of the lower extreme fixedly connected with of injection syringe to the surface evenly distributed of first syringe needle has first through-hole, the internal surface fixed connection of first syringe needle has the second syringe needle, and the surface evenly distributed of second syringe needle has the second through-hole, the lower extreme internal surface fixed connection of installation piece docks the piece, and the internal surface of installation piece has seted up the storage tank, the fixed rack of the lower extreme outside fixedly connected with of injection syringe. This marrow puncture draw-out device for blood internal medicine, through the transmission structure between the plastics gear, it will drive 3 supporting shoes through the haulage rope by oneself downward movement to with skin contact, and then must carry out support work steadily, abundant improvement job stabilization nature, avoid its phenomenon that takes place to rock.

Description

Marrow puncture extraction device for blood internal medicine

Technical Field

The utility model relates to a blood internal medicine technical field specifically is a marrow puncture draw-out device for blood internal medicine.

Background

The hematology department is a relatively important department in the medical field, and it mainly treats the problem of hematopoietic system, and when carrying out marrow blood and examining, when people often need to adopt conventional marrow pjncture needle extraction marrow, need earlier carry out anesthesia puncture with the syringe needle at the puncture point, then reuse marrow pjncture needle at same position puncture extraction marrow, but current marrow puncture extraction device for the hematology department still has certain defect, just for example:

1. the existing bone marrow puncture and extraction device for the blood medicine is not stable enough in working due to certain weight, so that the phenomenon of shaking and working error easily occur in the operation process of a user;

2. the bone marrow puncture draw-out device for the current blood internal medicine carries out anesthesia work to the patient, and its anesthesia area is less, and the time of pharmacy is slower, lets patient's painful time increase, and then has certain use defect.

Aiming at the problems, innovative design is urgently needed on the basis of the structure of the original bone marrow puncture and extraction device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a marrow puncture draw-out device for blood internal medicine to the during operation that proposes in solving above-mentioned background is stable inadequately, lets the phenomenon of the easy appearance shake of in-process of user's operation, and the anesthesia area is less, and the time of drug ization is slower, lets the problem that patient's painful time increases.

In order to achieve the above object, the utility model provides a following technical scheme: a bone marrow puncture extracting device for a blood internal medicine comprises an injection tube, a containing groove and a supporting block, wherein an installation block is installed on the outer side of the lower end of the injection tube, a first needle head is fixedly connected to the lower end of the injection tube, first through holes are uniformly distributed on the outer surface of the first needle head, a second needle head is fixedly connected to the inner surface of the first needle head, second through holes are uniformly distributed on the outer surface of the second needle head, a butt joint block is fixedly connected to the inner surface of the lower end of the installation block, the containing groove is formed in the inner surface of the installation block, a reset spring is fixedly connected to the inner surface of the containing groove, a fixed rack is fixedly connected to the outer side of the lower end of the injection tube and connected with the lower end of the reset spring, a transmission gear is installed on the inner surface of the installation block, and the supporting block is connected with the tail end of the traction rope, the lower end of the supporting block is fixedly connected with a torsion spring, and the torsion spring is connected with the lower end of the mounting block.

Preferably, the mounting block is of a circular ring structure when viewed from above, the mounting block is connected with the lower end of the injection tube in a nested manner, and the mounting block and the return spring form a telescopic structure through a fixed rack.

Preferably, the first needle head and the second needle head are connected in a nested manner, first through holes are uniformly distributed on the outer surface of the first needle head, and the first through holes correspond to the second through holes in position.

Preferably, the butt joint block is made of aseptic cotton, the inner sides of the lower ends of the butt joint block and the installation block are in adhesive connection, and the inner surface of the butt joint block is attached to the outer surface of the first needle head.

Preferably, the number of the transmission gears is 3 symmetrically arranged about a center point of the mounting block, and the transmission gears and the fixed rack are engaged with each other.

Preferably, the supporting block is of an arc-shaped structure, an elastic structure is formed by the supporting block and the lower end of the mounting block through a torsion spring, and a rotating structure is formed by the supporting block and the transmission gear through a traction rope.

Compared with the prior art, the beneficial effects of the utility model are that: the marrow puncture extraction device for the hematology department;

1. the injection needle is provided with the movable supporting blocks, the injection needle can inject a patient along with the injection of a user, the mounting blocks are in contact with the skin of the patient in advance, the contact area of the mounting blocks is increased in advance, meanwhile, the mounting blocks can drive 3 supporting blocks to move downwards to be in contact with the skin by self through the traction rope through a transmission structure between the plastic gears, so that the supporting work can be stably carried out, the working stability is fully improved, the phenomenon of shaking of the mounting blocks is avoided, meanwhile, the mounting blocks are matched with the butt-joint blocks, and the needle can be protected while the needle is sterilized;

2. be provided with evenly distributed's 2 group's through-holes, through first syringe needle surface evenly distributed's through-hole, make outer syringe needle can be to injecting anesthetic all around, compare in the syringe needle on current inclined plane, the dispersion is faster, and anesthesia speed is faster, and utilizes the second pinhole on interior syringe needle surface, and the speed of syringe needle extraction marrow in the multiplicable, further increase overall device's availability factor.

Drawings

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

FIG. 2 is a schematic cross-sectional structural view of the mounting block of the present invention;

FIG. 3 is a schematic view of a sectional view of the mounting block of the present invention;

fig. 4 is a schematic cross-sectional view of the first needle of the present invention.

In the figure: 1. an injection tube; 2. mounting blocks; 3. a first needle; 4. a first through hole; 5. a second needle; 6. a second through hole; 7. a butt joint block; 8. a containing groove; 9. a return spring; 10. fixing a rack; 11. a transmission gear; 12. a hauling rope; 13. a support block; 14. a torsion spring.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a bone marrow puncture extracting device for a blood internal medicine comprises an injection tube 1, an installation block 2, a first needle 3, a first through hole 4, a second needle 5, a second through hole 6, a butt joint block 7, a containing groove 8, a reset spring 9, a fixed rack 10, a transmission gear 11, a traction rope 12, a supporting block 13 and a torsion spring 14, wherein the installation block 2 is installed on the outer side of the lower end of the injection tube 1, the lower end of the injection tube 1 is fixedly connected with the first needle 3, the first through hole 4 is uniformly distributed on the outer surface of the first needle 3, the second needle 5 is fixedly connected on the inner surface of the first needle 3, the second through hole 6 is uniformly distributed on the outer surface of the second needle 5, the butt joint block 7 is fixedly connected on the inner surface of the lower end of the installation block 2, the containing groove 8 is formed on the inner surface of the installation block 2, the reset spring 9 is fixedly connected on the inner surface of the containing groove 8, and the fixed rack 10 is connected with the lower end of the return spring 9, the inner surface of the mounting block 2 is provided with a transmission gear 11, the outer side of the transmission gear 11 is provided with a traction rope 12, the lower end of the mounting block 2 is provided with a supporting block 13, the supporting block 13 is connected with the tail end of the traction rope 12, the lower end of the supporting block 13 is fixedly connected with a torsion spring 14, and the torsion spring 14 is connected with the lower end of the mounting block 2.

The mounting block 2 is in a circular ring structure when viewed from above, the mounting block 2 is in nested connection with the lower end of the injection tube 1, the mounting block 2 and the return spring 9 form a telescopic structure through a fixed rack 10, and the mounting block 2 sliding along the outer side of the injection tube 1 can be stably reset through the return spring 9 and move upwards;

the first needle 3 is connected with the second needle 5 in a nested manner, the outer surface of the first needle 3 is uniformly distributed with first through holes 4, the positions of the first through holes 4 correspond to those of the second through holes 6, and the anesthetic in the injection tube 1 can be stably output in multiple ranges through the uniformly distributed first through holes 4;

the butt joint block 7 is made of a sterilized cotton material, the butt joint block 7 is in adhesive connection with the inner side of the lower end of the mounting block 2, the inner surface of the butt joint block 7 is attached to the outer surface of the first needle 3, and the outer surface of the contracted first needle 3 can be stably and automatically sterilized through the attached butt joint block 7;

the number of the transmission gears 11 is 3 about the center point of the mounting block 2, the transmission gears 11 are meshed with the fixed rack 10, the supporting blocks 13 are of arc-shaped structures, the supporting blocks 13 and the lower end of the mounting block 2 form an elastic structure through torsion springs 14, the supporting blocks 13 and the transmission gears 11 form a rotating structure through the traction ropes 12, and the transmission gears 11 can rotate and simultaneously can drive the supporting blocks 13 connected with each other to synchronously rotate at downward angles through the traction ropes 12.

The working principle is as follows: when the bone marrow puncture and extraction device for the hematology department is used, according to the figures 1-3, the device is firstly placed at a position needing to work, then a proper amount of anesthetic is extracted from the interior of the injection tube 1, then the injection tube can be injected with a required position of a patient, at the moment, the mounting block 2 at the lower end of the injection tube 1 is in contact with the skin of the patient in advance, the contact area of the mounting block is further increased in advance, at the moment, the injection tube 1 continuously penetrates into the skin of the patient, the fixed rack 10 at the inner side of the injection tube stretches the return spring 9 and moves downwards along with the return spring, and then the transmission gear 11 meshed with the outer side of the injection tube is driven to synchronously rotate, at the moment, the traction rope 12 connected with the outer side of the transmission gear 11 is synchronously wound, and then the 3 supporting blocks 13 connected with the tail ends of the transmission gear are synchronously rotated to, the working stability is fully improved, and the phenomenon of shaking is avoided;

according to fig. 1, fig. 2 and fig. 4, treat that first needle 3 removes to the internal corresponding position of patient after, can be through predetermineeing first through-hole 4 that the piston passes through the anesthetic of first needle 3 surface evenly distributed with 1 inside injection syringe, make outer first needle 3 can be to internal anesthetic of injecting all around, compare in the needle on current inclined plane, the dispersion is faster, anesthesia speed is faster, the user can and utilize the second through-hole 6 on second needle 5 surface after that, the speed of needle extraction marrow in the multiplicable, treat that device work accomplishes the back, first needle 3 will be through the stable back of contracting along installation piece 2 of reset spring 9, and then the cooperation is to carrying out protection work when carrying out disinfection work to joint block 7, holistic practicality has been increased.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bone marrow puncture draw-out device for hematology dept, includes injection syringe (1), storage tank (8) and supporting shoe (13), its characterized in that: the injection device is characterized in that a mounting block (2) is mounted on the outer side of the lower end of the injection tube (1), a first needle (3) is fixedly connected to the lower end of the injection tube (1), first through holes (4) are uniformly distributed on the outer surface of the first needle (3), a second needle (5) is fixedly connected to the inner surface of the first needle (3), second through holes (6) are uniformly distributed on the outer surface of the second needle (5), a butt-joint block (7) is fixedly connected to the inner surface of the lower end of the mounting block (2), a containing groove (8) is formed in the inner surface of the mounting block (2), a return spring (9) is fixedly connected to the inner surface of the containing groove (8), a fixed rack (10) is fixedly connected to the outer side of the lower end of the injection tube (1), the fixed rack (10) is connected with the lower end of the return spring (9), and a transmission gear, and the outside of drive gear (11) is installed haulage rope (12), supporting shoe (13) are installed to the lower extreme of installation piece (2), and supporting shoe (13) are connected with the end of haulage rope (12), the lower extreme fixedly connected with torsion spring (14) of supporting shoe (13), and torsion spring (14) are connected with the lower extreme of installation piece (2).

2. The bone marrow puncture extracting device for hematology department according to claim 1, characterized in that: the mounting block (2) is of a circular ring-shaped structure in plan view, the mounting block (2) is connected with the lower end of the injection tube (1) in a nested manner, and the mounting block (2) and the return spring (9) form a telescopic structure through a fixed rack (10).

3. The bone marrow puncture extracting device for hematology department according to claim 1, characterized in that: the first needle head (3) is connected with the second needle head (5) in a nested mode, first through holes (4) are uniformly distributed in the outer surface of the first needle head (3), and the first through holes (4) correspond to the second through holes (6) in position.

4. The bone marrow puncture extracting device for hematology department according to claim 1, characterized in that: the butt joint block (7) is made of sterilized cotton, the inner sides of the lower ends of the butt joint block (7) and the installation block (2) are in adhesive connection, and the inner surface of the butt joint block (7) is attached to the outer surface of the first needle head (3).

5. The bone marrow puncture extracting device for hematology department according to claim 1, characterized in that: the number of the transmission gears (11) is 3 about the center point of the mounting block (2), and the transmission gears (11) are meshed with the fixed rack (10).

6. The bone marrow puncture extracting device for hematology department according to claim 1, characterized in that: the supporting block (13) is of an arc-shaped structure, the supporting block (13) and the lower end of the mounting block (2) form an elastic structure through a torsion spring (14), and the supporting block (13) and the transmission gear (11) form a rotating structure through a traction rope (12).