CN214907375U

CN214907375U - Bone marrow puncture device for hematology department

Info

Publication number: CN214907375U
Application number: CN202121219751.4U
Authority: CN
Inventors: 马平
Original assignee: Henan Childrens Hospital Zhengzhou Childrens Hospital
Current assignee: Henan Childrens Hospital Zhengzhou Childrens Hospital
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-30
Anticipated expiration: 2031-06-02

Abstract

The utility model provides a bone marrow piercing depth for hematology branch of academic or vocational study includes the sleeve, the left and right sides of sleeve bottom surface is elastic about the pole of fixed connection respectively, two the surface of about the pole has cup jointed the vaulting pole that expands, both sides fixedly connected with handle respectively around the sleeve surface top, telescopic inside is hollow structure, telescopic bottom sliding connection has the pjncture needle, the inner wall threaded connection of sleeve top pipe has the first threaded rod that can reciprocate. The utility model discloses it is extensive with the scope, stability is strong, and the security is high, is favorable to promoting, has promoted through setting up first threaded rod and spring the utility model discloses a stability and security set up about pole, have further made things convenient for telescopic rigidity, have made things convenient for medical personnel's use, have increased the utility model discloses a practicality and functionality expand the vaulting pole through setting up, have further satisfied different patients' user demand, have enlarged the utility model discloses an application scope is favorable to promoting.

Description

Bone marrow puncture device for hematology department

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to a bone marrow puncture device for hematology department is related to.

Background

Bone marrow puncture is a common diagnostic technique for collecting bone marrow fluid, and is also commonly used for blood cell morphology examination, hematopoietic stem cell collection, culture, cytogenetic analysis, pathogenic biology examination and the like in clinic, and is suitable for diagnosis, differential diagnosis and treatment follow-up of various blood diseases.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bone marrow piercing depth for hematology branch of academic or vocational study to prior art not enough, has solved current bone marrow piercing depth for hematology branch of academic or vocational study effectively and has operated complicacy, uses inconveniently, and stability is not good, the not enough problem of security.

In order to solve the above problems, the utility model adopts the following technical proposal: the novel telescopic screw rod comprises a sleeve, the left and right sides of sleeve bottom surface is elastic about the pole of restriction, two of fixed connection respectively the surface of about the pole has cup jointed and has expanded the vaulting pole, both sides are fixedly connected with handle respectively around sleeve surface top, telescopic inside is hollow structure, telescopic bottom sliding connection has the pjncture needle, the inner wall threaded connection of sleeve top pipe has the first threaded rod that can reciprocate, the inside of first threaded rod is hollow structure, pjncture needle fixed connection in the inner wall of first threaded rod.

Preferably, the bottom end of the inner wall of the sleeve is fixedly connected with a spring, the top end of the spring is fixedly connected with a sliding plate, and the sliding plate is slidably connected to the inner wall of the sleeve.

Preferably, the inner wall on sleeve top is provided with the internal thread, first threaded rod with the internal thread meshing, the first commentaries on classics piece of top fixedly connected with of first threaded rod.

Preferably, the bottoms of the two restraint rods are fixedly connected with arc-shaped plates, and the inner walls of the two arc-shaped plates are respectively and fixedly connected with a protection pad made of rubber.

Preferably, the ring channel has been seted up to the surface of sleeve bottom, the inner wall of ring channel has cup jointed the annular cover, two restraint bar difference fixed connection in the surface of the annular cover left and right sides, two restraint bar is close to the central point that sleeve central point put one side surface and has seted up the spout, logical groove has been seted up respectively at the top of both ends surface about the expansion stay pole, two it is close to lead to the groove the central point of spout one end inner wall put respectively fixedly connected with spout complex guide arm, the central point that the both ends surface was put respectively threaded connection has the second threaded rod about the expansion stay pole, two the one end that sleeve central point put was kept away from to the second threaded rod is fixedly connected with second commentaries on classics piece respectively, the central point of expansion stay pole upper surface put seted up with pjncture needle complex through-hole.

The utility model discloses novel structure, think about ingenious, easy operation is convenient, compares with prior art and has following advantage:

the utility model discloses the structure is ingenious, and the practicality is strong, and application scope is extensive, and stability is strong, and the security is high, is favorable to promoting, has promoted through setting up first threaded rod and spring the utility model discloses a stability and security set up about pole, have further made things convenient for telescopic rigidity, have made things convenient for medical personnel's use, have increased the utility model discloses a practicality and functionality expand the vaulting pole through setting up, have further satisfied different patients' user demand, have enlarged the utility model discloses an application scope is favorable to promoting.

Drawings

Fig. 1 is a perspective view of a bone marrow puncture device for hematology department according to the present invention.

Fig. 2 is a schematic structural view of a puncture mechanism of a bone marrow puncture device for hematology department according to the present invention.

Fig. 3 is a schematic view of the internal structure of the sleeve of the bone marrow puncture device for hematology department of the present invention.

Fig. 4 is a schematic structural view of a restriction rod of the bone marrow puncture device for hematology department of the present invention.

Fig. 5 is a schematic view of the structure of the expanding rod of the bone marrow puncture device for hematology department of the present invention.

1-sleeve, 2-restraining rod, 3-expanding rod, 4-arc plate, 5-puncture needle, 6-handle, 7-first threaded rod, 8-first rotating block, 9-annular groove, 10-spring, 11-sliding plate, 12-support column, 13-annular sleeve, 14-sliding groove, 15-protection pad, 16-guide rod, 17-second threaded rod, 18-through groove, 19-second rotating block and 20-through hole.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, the utility model provides a bone marrow puncture device for hematology department, including sleeve 1, the left and right sides of 1 bottom surface of sleeve is elastic restraint pole 2 of fixed connection respectively, two the surface of restraint pole 2 has cup jointed expand vaulting pole 3, both sides difference fixedly connected with handle 6 around the 1 surface top of sleeve, the inside of sleeve 1 is hollow structure, the bottom sliding connection of sleeve 1 has pjncture needle 5, the inner wall threaded connection of 1 top pipe of sleeve has first threaded rod 7 that can reciprocate, the inside of first threaded rod 7 is hollow structure, pjncture needle fixed connection in the inner wall of first threaded rod 7.

The bottom fixedly connected with spring 10 of sleeve 1 inner wall, the top fixedly connected with slide 11 of spring 10, slide 11 sliding connection in the inner wall of sleeve 1.

The piercing depth need rotate first commentaries on classics piece 8 when specifically using, and first commentaries on classics 8 pivoted in-process drive first threaded rod 7 downstream, and the in-process drive pjncture needle downstream of first threaded rod 7 downstream and then realize the puncture to the patient, and the in-process of 7 downstream of first threaded rod simultaneously can the drive spring 10 compress downwards, and then play right the utility model discloses a guard action, the utility model is simple in operation, convenient to use, the structure is ingenious, and the practicality is strong, is favorable to the popularization.

The inner wall on sleeve 1 top is provided with the internal thread, first threaded rod 7 with the internal thread meshing, the first turning block 8 of top fixedly connected with of first threaded rod 7.

Promoted through setting up spring 10 the utility model discloses a security and stability have further promoted the utility model discloses a practicality is favorable to promoting.

The bottoms of the two restraint rods 2 are fixedly connected with arc-shaped plates 4, and the inner walls of the two arc-shaped plates 4 are respectively and fixedly connected with protection pads 15 made of rubber materials.

About restricted pole 2 is using through expanding vaulting pole 3 and realizing supporting, and then arranges the arc 4 in the left and right sides of patient's shank, then through the position fixation of second threaded rod 17 with about restricted pole 2, and then realize sleeve 1 position fixation's purpose, further realized the protection to patient's shank simultaneously through setting up protection pad 15, avoid patient's shank to receive long-time extrusion and the discomfort that causes, promoted patient's experience of seeing a doctor, increased the utility model discloses a practicality and functionality are favorable to promoting.

The outer surface of the bottom end of the sleeve 1 is provided with an annular groove 9, the inner wall of the annular groove 9 is sleeved with an annular sleeve 13, the two restraint rods 2 are respectively and fixedly connected with the outer surfaces of the left side and the right side of the annular sleeve 13, the central position of one side surface of the two restraint rods 2 close to the central position of the sleeve 1 is provided with a sliding groove 14, the top parts of the outer surfaces of the left end and the right end of the expanding rod 3 are respectively provided with a through groove 18, the central positions of the two through grooves 18 close to the inner wall of one end of the sliding groove 14 are respectively and fixedly connected with a guide rod 16 matched with the sliding groove 14, the center positions of the outer surfaces of the left end and the right end of the expanding support rod 3 are respectively in threaded connection with a second threaded rod 17, one end of each second threaded rod 17 far away from the center position of the sleeve 1 is respectively and fixedly connected with a second rotating block 19, the center position of the upper surface of the expanding rod 3 is provided with a through hole 20 matched with the puncture needle 5.

The working principle of the expanding support rod 3 is as follows: at first remove the restraint of two second threaded rods 17, then move down and expand vaulting pole 3 and then realize expanding to about pole 2 and prop, until arrange patient's and shank in with arc 4, then remove in opposite directions and expand vaulting pole 3, and then realize the purpose of about pole 2 centre gripping patient's shank, then realize expanding vaulting pole 3's rigidity through two second threaded rods 17, expand vaulting pole 3 through setting up and satisfied different patients' user demand, enlarged the utility model discloses an application scope is favorable to promoting.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a bone marrow puncture device for hematology department which characterized in that: including sleeve (1), the left and right sides difference fixed connection of sleeve (1) bottom surface is elastic about the pole (2), two about the surface of pole (2) has cup jointed and has expanded vaulting pole (3), both sides difference fixedly connected with handle (6) around sleeve (1) surface top, the inside of sleeve (1) is hollow structure, the bottom sliding connection of sleeve (1) has pjncture needle (5), the inner wall threaded connection of sleeve (1) top pipe has first threaded rod (7) that can reciprocate, the inside of first threaded rod (7) is hollow structure, pjncture needle fixed connection in the inner wall of first threaded rod (7).

2. The apparatus of claim 1, wherein: the bottom fixedly connected with spring (10) of sleeve (1) inner wall, the top fixedly connected with slide (11) of spring (10), slide (11) sliding connection in the inner wall of sleeve (1).

3. The apparatus of claim 1, wherein: the inner wall on sleeve (1) top is provided with the internal thread, first threaded rod (7) with the internal thread meshing, the first commentaries on classics piece (8) of top fixedly connected with of first threaded rod (7).

4. The apparatus of claim 1, wherein: the bottom of the two restraint rods (2) is fixedly connected with an arc-shaped plate (4), and the inner walls of the two arc-shaped plates (4) are respectively and fixedly connected with a protection pad (15) made of rubber.

5. The apparatus of claim 1, wherein: the outer surface of the bottom end of the sleeve (1) is provided with an annular groove (9), the inner wall of the annular groove (9) is sleeved with an annular sleeve (13), two restraint rods (2) are respectively and fixedly connected with the outer surfaces of the left side and the right side of the annular sleeve (13), a sliding groove (14) is formed in the central position of one side surface of the two restraint rods (2) close to the central position of the sleeve (1), a through groove (18) is formed in the top of the outer surface of the left end and the right end of the expanding rod (3), a guide rod (16) matched with the sliding groove (14) is respectively and fixedly connected with the central position of the inner wall of one end of the two through grooves (18) close to the sliding groove (14), a second threaded rod (17) is respectively and threadedly connected with the central position of the outer surface of the left end and the right end of the expanding rod (3), and a second rotating block (19) is respectively and fixedly connected with one end of the second threaded rod (17) far away from the central position of the sleeve (1), the center position of the upper surface of the expanding rod (3) is provided with a through hole (20) matched with the puncture needle (5).