CN115350042A - Auxiliary device for bone marrow puncture - Google Patents

Auxiliary device for bone marrow puncture Download PDF

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CN115350042A
CN115350042A CN202210948221.6A CN202210948221A CN115350042A CN 115350042 A CN115350042 A CN 115350042A CN 202210948221 A CN202210948221 A CN 202210948221A CN 115350042 A CN115350042 A CN 115350042A
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arc
piston cylinder
shaped
patient
straight
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CN115350042B (en
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刘洋
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Li Tao
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
    • A61G13/1245—Knees, upper or lower legs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A61G13/128—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations
    • A61G13/1285—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations having modular surface parts, e.g. being replaceable or turnable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M35/00—Devices for applying media, e.g. remedies, on the human body
    • A61M35/20—Non-portable devices, e.g. spraying booths
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
    • A61B2010/0258—Marrow samples
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rheumatology (AREA)
  • Anesthesiology (AREA)
  • Neurosurgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention discloses an auxiliary device for bone marrow puncture, which comprises a bearing plate and a supporting plate, wherein an arc-shaped groove is formed in the bearing plate, an arc-shaped plate used for supporting the thigh of a patient is connected with the bearing plate in a limiting and sliding mode through the arc-shaped groove, a first rotating rod is connected with the bearing plate in a rotating mode, the first rotating rod is fixedly connected with the arc-shaped plate, an inclined groove is formed in the bearing plate, a sliding plate used for supporting the lower leg of the patient is connected with the bearing plate in a limiting and sliding mode through the inclined groove, the sliding plate is hinged with the arc-shaped plate through a pin shaft, a hollow cavity is formed in the bearing plate, a feedback mechanism used for determining the slimming degree of the patient is arranged on the bearing plate, and an adjusting mechanism used for adaptively adjusting the arc-shaped plate and the sliding plate is arranged on the supporting plate. According to the invention, by arranging the feedback mechanism, the effect of determining the sliding strokes of the first arc-shaped piston rod and the first arc-shaped sealing plug in the first arc-shaped piston cylinder according to the size of the patient when the straight piston cylinder slides to the patient is achieved.

Description

Auxiliary device for bone marrow puncture
Technical Field
The invention relates to the technical field of puncture auxiliary devices, in particular to an auxiliary device for bone marrow puncture.
Background
Bone marrow aspiration is a common diagnostic technique for taking bone marrow fluid, and the examination includes cytology, protozoa and bacteriology. The general applies to: 1. diagnosis, differential diagnosis and treatment follow-up of various blood diseases; 2. increase or decrease in the number of erythrocytes, leukocytes, platelets and morphological abnormalities of unknown origin; 3. the diagnosis and differential diagnosis of fever of unknown origin can be used for bone marrow culture, bone marrow smear for locating parasites, etc.
At present, most of bone marrow puncture operations adopt the puncture of the posterior superior iliac spine, and the lateral position is taken when the puncture of the posterior superior iliac spine, in the puncture process, the bigger patient of the body type, the more local adipose tissues and the difficulty of puncture make the unnecessary injury to the patient caused by the repeated puncture possibly, so we need an auxiliary device for bone marrow puncture to solve the problems.
Disclosure of Invention
The invention aims to provide an auxiliary device for bone marrow puncture, which has the advantage that the flexibility of a patient can be adjusted according to the size of the body of the patient, and solves the problem that the puncture is difficult for the patient with a bigger body.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an auxiliary device for bone marrow puncture includes bearing plate and backup pad, set up the arc wall on the bearing plate and have the arc that is used for supporting patient's thigh through the spacing sliding connection of this arc wall, it is connected with first pivot pole to rotate on the bearing plate, first pivot pole and arc fixed connection, set up the chute on the bearing plate and have the sliding plate that is used for supporting patient's shank through the spacing sliding connection of this chute, the sliding plate is articulated with the arc through the round pin axle, hollow chamber has been seted up on the bearing plate, be equipped with the feedback mechanism who is used for confirming patient's fat thin degree on the bearing plate, be equipped with the adjustment mechanism who is used for self-adaptation regulation arc and sliding plate in the backup pad.
Preferably, the feedback mechanism is including fixed connection's support frame on the bearing plate, two supporting shoes of fixedly connected with on the support frame, two rotate on the supporting shoe and be connected with the axis of rotation, fixedly connected with crank and gear in the axis of rotation, set up the spout on the support frame and through the spacing sliding connection of this spout have with gear engagement's rack.
Preferably, the feedback mechanism further comprises a straight piston cylinder fixedly connected to the lower surface of the rack, a straight sealing plug is slidably connected to the inner wall of the straight piston cylinder, a straight piston rod is fixedly connected to the straight sealing plug, a contact block in contact with a patient is fixedly connected to the straight piston rod, a first spring is placed in the straight piston cylinder, and two ends of the first spring are fixedly connected to the straight sealing plug and the straight piston cylinder respectively.
Preferably, the feedback mechanism further comprises an air inlet pipe and an air delivery pipe, the straight piston cylinder is fixedly communicated with the outside through the air inlet pipe, one end, far away from the air inlet pipe, of the straight piston cylinder is fixedly communicated with the air delivery pipe, and the air inlet pipe and the air delivery pipe are fixedly connected with one-way valves.
Preferably, the adjusting mechanism comprises a first arc-shaped piston cylinder fixedly connected to the supporting plate, a first arc-shaped sealing plug is slidably connected to the inner wall of the first arc-shaped piston cylinder, a first arc-shaped piston rod is fixedly connected to the first arc-shaped sealing plug, one end, far away from the first arc-shaped sealing plug, of the first arc-shaped piston rod is fixedly connected to the arc plate, and the end, far away from the straight piston cylinder, of the first arc-shaped piston cylinder is fixedly communicated with one end, far away from the straight piston cylinder, of the gas pipe.
Preferably, the adjusting mechanism further comprises a second spring and a third spring, the second spring is sleeved on the first arc-shaped piston rod, two ends of the second spring are respectively fixedly connected with the first arc-shaped sealing plug and the first arc-shaped piston cylinder, the first arc-shaped piston cylinder is provided with an exhaust hole and is connected with a circular table in a limiting sliding mode through the exhaust hole, and two ends of the third spring are respectively fixedly connected with the circular table and the first arc-shaped piston cylinder.
Preferably, be equipped with on the straight piston cylinder and be used for the sterile disinfection mechanism of patient, disinfection mechanism is still including the link of fixed connection on straight piston cylinder, the lower surface of link rotates and is connected with the second dwang, the first bevel gear of fixedly connected with and disc on the second dwang, the lower surface dismantlement of disc is connected with the body of cleaning, fixedly connected with and first bevel gear intermittent type meshing's second bevel gear on the first dwang.
Preferably, the bearing plate is provided with a fixing mechanism for fixing the lower leg of the patient, the fixing mechanism comprises a supporting plate fixedly connected to the bearing plate, and the supporting plate is fixedly connected with an air bag.
Preferably, the fixing mechanism further comprises a second arc-shaped piston cylinder, a conveying pipe and a fourth spring, the second arc-shaped piston cylinder is fixedly connected to the hollow cavity, a second arc-shaped sealing plug is slidably connected to the inner wall of the second arc-shaped piston cylinder, a second arc-shaped piston rod is fixedly connected to the second arc-shaped sealing plug, one end, far away from the second arc-shaped sealing plug, of the second arc-shaped piston rod is fixedly connected with the arc-shaped plate, the second arc-shaped piston cylinder is fixedly communicated with the air bag through the conveying pipe, and two ends of the fourth spring are fixedly communicated with the second arc-shaped sealing plug and the second arc-shaped piston cylinder respectively.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention achieves the effect of adjusting the buckling degree of the patient according to the size of the body of the patient by matching the integral structure.
2. According to the invention, by arranging the feedback mechanism, the effect of determining the sliding strokes of the first arc-shaped piston rod and the first arc-shaped sealing plug in the first arc-shaped piston cylinder according to the size of the patient when the straight piston cylinder slides to the patient is achieved.
3. According to the invention, by arranging the adjusting mechanism, the self-adaptive adjustment of the buckling shape of the patient according to the body type of the patient is achieved, so that the puncturing difficulty of a doctor is reduced, and meanwhile, the patient does not need to keep the body to buckle, so that the patient is relaxed, and the effect of poor puncturing effect of the doctor is reduced.
4. By arranging the disinfection mechanism, the invention achieves the effects that the wiping body disinfects the posterior superior iliac spine of the patient without manual disinfection, thereby saving time and labor.
5. The invention achieves the fixation of the shank of the patient by arranging the fixing mechanism, and avoids the shaking of the patient during the bone marrow puncture, thereby influencing the puncture effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the feedback mechanism of the present invention;
FIG. 3 is a schematic cross-sectional view of the feedback mechanism of the present invention;
FIG. 4 is a schematic view of the unadjusted adjustment mechanism of the present invention;
FIG. 5 is a schematic view of the adjusting mechanism of the present invention after adjustment is completed;
FIG. 6 is a schematic sectional view of the adjusting mechanism of the present invention;
fig. 7 is a schematic view of the construction of the arc plate and the sliding plate of the present invention;
FIG. 8 is a schematic view of the sterilization mechanism of the present invention;
FIG. 9 is a schematic structural view of the securing mechanism of the present invention;
fig. 10 is a schematic structural section view of the fixing mechanism of the present invention.
In the figure: 1. a bearing plate; 11. an arc-shaped plate; 12. a sliding plate; 13. a support frame; 14. a support block; 15. a first rotating lever; 16. a support plate; 17. an air bag; 2. a rotating shaft; 21. a hand crank; 22. a gear; 23. a rack; 3. a straight piston cylinder; 31. a straight piston rod; 32. a straight sealing plug; 33. a first spring; 34. a contact block; 35. an air inlet pipe; 36. a gas delivery pipe; 37. a one-way valve; 4. a first arcuate piston cylinder; 41. a first arc-shaped piston rod; 42. a first arcuate sealing plug; 43. a second spring; 44. a circular truncated cone; 45. a third spring; 5. a connecting frame; 51. a second rotating lever; 52. a first bevel gear; 53. a disc; 54. a second bevel gear; 6. a second arcuate piston cylinder; 61. a second arc-shaped piston rod; 62. a second arcuate sealing plug; 63. a fourth spring; 64. a delivery pipe.
Detailed Description
The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The invention provides a technical scheme that: the utility model provides an auxiliary device for bone marrow puncture includes bearing plate 1 and backup pad 16, seted up the arc wall on the bearing plate 1 and have the arc 11 that is used for supporting patient's thighs through the spacing sliding connection of this arc wall, it is connected with first pivot pole 15 to rotate on the bearing plate 1, first pivot pole 15 and 11 fixed connection of arc, set up the chute on the bearing plate 1 and have the sliding plate 12 that is used for supporting patient's shank through the spacing sliding connection of this chute, sliding plate 12 is articulated with arc 11 through the round pin axle, hollow chamber has been seted up on the bearing plate 1, be equipped with the feedback mechanism who is used for confirming patient's thin degree on the bearing plate 1, be equipped with the adjustment mechanism who is used for self-adaptation regulation arc 11 and sliding plate 12 in the backup pad 16.
During the use, place this device on the sick bed and fix it, afterwards the doctor adorns brand-new wiping body on disc 53, then the doctor instructs the patient to lie on one's side and the back of patient is laminated with the baffle on the bearing plate 1, afterwards the doctor rocks hand crank 21 clockwise.
Feedback mechanism is including fixed connection support frame 13 on bearing plate 1, two supporting shoe 14 of fixedly connected with on the support frame 13, and it is connected with axis of rotation 2 to rotate on two supporting shoe 14, and fixedly connected with crank 21 and gear 22 on the axis of rotation 2 have seted up the spout on the support frame 13 and have rack 23 with gear 22 meshing through the spacing sliding connection of this spout.
Feedback mechanism is still including the straight piston cylinder 3 of fixed connection at rack 23 lower surface, and sliding connection has straight sealing plug 32 on the inner wall of straight piston cylinder 3, the straight piston rod 31 of fixedly connected with on the straight sealing plug 32, fixedly connected with and the contact piece 34 of patient's contact on the straight piston rod 31, has placed first spring 33 in the straight piston cylinder 3, the both ends of first spring 33 respectively with straight sealing plug 32 and straight piston cylinder 3 fixed connection.
The feedback mechanism further comprises an air inlet pipe 35 and an air delivery pipe 36, the straight piston cylinder 3 is fixedly communicated with the outside through the air inlet pipe 35, one end, far away from the air inlet pipe 35, of the straight piston cylinder 3 is fixedly communicated with the air delivery pipe 36, and the air inlet pipe 35 and the air delivery pipe 36 are fixedly connected with one-way valves 37.
Subsequently, the rotating shaft 2 rotates clockwise, the gear 22 thereon rotates clockwise synchronously, because the gear 22 is meshed with the rack 23, the rack 23 slides downwards, so that the straight piston cylinder 3 thereon slides downwards synchronously until the contact block 34 contacts with a patient, so that the contact block 34 drives the straight piston rod 31 and the straight sealing plug 32 to slide towards the air inlet pipe 35, when the rotating shaft 2 rotates counterclockwise, the same as the above principle, the rack 23 drives the straight piston cylinder 3 to slide upwards, so that the elastic force of the first spring 33 is released, so that the straight piston rod 31 and the straight sealing plug 32 slide towards the direction away from the air inlet pipe 35, and further the air pressure in the straight piston cylinder 3 changes back and forth, which is described in detail as follows:
in the above, when the straight piston rod 31 and the straight sealing plug 32 slide in the straight piston cylinder 3 in the direction away from the air inlet pipe 35, a negative pressure is generated in cooperation with the check valve 37, so that the outside air is sucked into the straight piston cylinder 3 through the air inlet pipe 35, and when the straight piston rod 31 and the straight sealing plug 32 slide in the straight piston cylinder 3 in the direction towards the air inlet pipe 35, a high pressure is generated in cooperation with the check valve 37, so that the air in the straight piston cylinder 3 is sent into the first arc-shaped piston cylinder 4 through the air delivery pipe 36.
And then reached the patient's size bigger, the gas that lets in first arc piston tube 4 is more, thereby the slip stroke increase of first arc piston rod 41 and first arc sealing plug 42 in first arc piston tube 4, and the patient's size is bigger, the gas that lets in first arc piston tube 4 is less, thereby the slip stroke of first arc piston rod 41 and first arc sealing plug 42 in first arc piston tube 4 reduces, and then reached when straight piston tube 3 slides to the patient, the effect of the slip stroke of first arc piston rod 41 and first arc sealing plug 42 in first arc piston tube 4 is confirmed to the size through the patient size.
The adjusting mechanism comprises a first arc-shaped piston cylinder 4 fixedly connected to the supporting plate 16, a first arc-shaped sealing plug 42 is slidably connected to the inner wall of the first arc-shaped piston cylinder 4, a first arc-shaped piston rod 41 is fixedly connected to the first arc-shaped sealing plug 42, one end, away from the first arc-shaped sealing plug 42, of the first arc-shaped piston rod 41 is fixedly connected with the arc plate 11, and one end, away from the straight piston cylinder 3, of the first arc-shaped piston cylinder 4 is fixedly communicated with one end, away from the straight piston cylinder 3, of the gas pipe 36.
The adjusting mechanism further comprises a second spring 43 and a third spring 45, the second spring 43 is sleeved on the first arc-shaped piston rod 41, two ends of the second spring 43 are fixedly connected with the first arc-shaped sealing plug 42 and the first arc-shaped piston cylinder 4 respectively, the first arc-shaped piston cylinder 4 is provided with an exhaust hole, the circular table 44 is connected with the exhaust hole in a limiting sliding mode, and two ends of the third spring 45 are fixedly connected with the circular table 44 and the first arc-shaped piston cylinder 4 respectively.
When patient's size is great, the slip stroke of first arc piston rod 41 and first arc sealing plug 42 in the first arc piston section of thick bamboo 4 is big more, refer to fig. 5, thereby arc 11 uses first rotation pole 15 as centre of a circle pivoted stroke grow, make patient's thigh follow arc 11 synchronous rotation, and the shank is located sliding plate 12, make the patient be the bucking form, and because the big patient of size, local adipose tissue is more, the puncture is difficult, thereby make the big patient of size buckle more, make things convenient for the effect that doctor impaled.
When the patient is small in size, the smaller the degree of flexion of the patient is, as in the above principle.
Through setting up adjustment mechanism, reached and to have reached the bucking form that can be according to patient's size self-adaptation regulation patient for reduced the doctor and pierced the degree of difficulty, and need not the patient oneself simultaneously and keep the health bucking, make the patient more relax, reduced the doctor and pierced the effect that the effect is poor.
Example two
On the basis of the first embodiment, a disinfection mechanism for disinfecting a patient is further arranged on the straight piston cylinder 3, the disinfection mechanism further comprises a connecting frame 5 fixedly connected to the straight piston cylinder 3, a second rotating rod 51 is rotatably connected to the lower surface of the connecting frame 5, a first bevel gear 52 and a disk 53 are fixedly connected to the second rotating rod 51, a wiper body is detachably connected to the lower surface of the disk 53, and a second bevel gear 54 intermittently meshed with the first bevel gear 52 is fixedly connected to the first rotating rod 15.
When the straight piston cylinder 3 slides downwards, the connecting frame 5 on the straight piston cylinder synchronously slides downwards until the first bevel gear 52 is meshed with the second bevel gear 54, and the second bevel gear 54 rotates, so that the first bevel gear 52 drives the second rotating rod 51 to synchronously rotate, the disk 53 synchronously rotates, and then the effect that the cleaning body sterilizes the posterior superior iliac spine of a patient, manual sterilization is not needed, and time and labor are saved is achieved.
The wiping body can be selected from medical cotton and sponge which are adsorbed with disinfectant, and when the cleaning device is used, the appropriate wiping body can be selected according to actual use conditions.
EXAMPLE III
In addition to the second embodiment, the bearing plate 1 is further provided with a fixing mechanism for fixing the lower leg of the patient, the fixing mechanism includes a supporting plate 16 fixedly connected to the bearing plate 1, and the supporting plate 16 is fixedly connected with the airbag 17.
The fixing mechanism further comprises a second arc-shaped piston cylinder 6, a conveying pipe 64 and a fourth spring 63, the second arc-shaped piston cylinder 6 is fixedly connected to the hollow cavity, a second arc-shaped sealing plug 62 is slidably connected to the inner wall of the second arc-shaped piston cylinder 6, a second arc-shaped piston rod 61 is fixedly connected to the second arc-shaped sealing plug 62, one end, far away from the second arc-shaped sealing plug 62, of the second arc-shaped piston rod 61 is fixedly connected with the arc-shaped plate 11, the second arc-shaped piston cylinder 6 is fixedly communicated with the air bag 17 through the conveying pipe 64, and two ends of the fourth spring 63 are fixedly communicated with the second arc-shaped sealing plug 62 and the second arc-shaped piston cylinder 6 respectively.
When the arc plate 11 rotates with the first rotating rod 15, the second arc piston rod 61 fixedly connected with the arc plate drives the second arc sealing plug 62 to slide to one end of the delivery pipe 64 along the second arc piston cylinder 6, so that gas in the second arc piston cylinder 6 is delivered to the air bag 17 through the delivery pipe 64, and through the cooperation of the air bag 17 and the sliding plate 12, the shank of a patient is fixed, the patient is prevented from shaking when the bone marrow is punctured, and the puncturing effect is influenced.
The physician then rocks hand crank 21 counterclockwise causing the feedback mechanism and disinfection mechanism to slide upward until reset.
The physician then performs local anesthesia of the patient's posterior superior iliac spine, after confirmation of anesthesia, then inserts a needle, aspirates, then compresses and stanchs, and then subsequently sterilizes and packs the puncture site.
Subsequently, the doctor manually pushes the circular truncated cone 44, so that the circular truncated cone 44 is not matched with the exhaust hole, and thus, the gas in the first arc-shaped piston cylinder 4 is exhausted through the exhaust hole, at this time, the elastic force of the second spring 43 is released, so that the first arc-shaped piston rod 41 and the first arc-shaped sealing plug 42 slide towards the gas pipe 36, and the arc-shaped plate 11 and the sliding plate 12 are reset synchronously.
When the arc plate 11 is reset and through the cooperation of the fourth spring 63, the second arc piston rod 61 and the second arc sealing plug 62 slide in the direction of the delivery pipe 64, so that the gas in the gas bag 17 is returned to the second arc piston cylinder 6 through the delivery pipe 64, and the gas bag 17 is reset.
By resetting the air bag 17 and the slide plate 12 the fixation of the patient is released and the patient can leave the device afterwards.
The working principle is as follows: this an auxiliary device for bone marrow puncture, during the use, place this device on the sick bed and fix it, later the doctor adorns brand-new wiping body on disc 53, then the doctor instructs the patient to lie on one's side and the back of patient and the baffle laminating on the bearing plate 1, and later the doctor rocks the crank 21 clockwise.
Subsequently, the rotating shaft 2 rotates clockwise, the gear 22 thereon rotates clockwise synchronously, because the gear 22 is meshed with the rack 23, the rack 23 slides downwards, so that the straight piston cylinder 3 thereon slides downwards synchronously, until the contact block 34 contacts with a patient, so that the contact block 34 drives the straight piston rod 31 and the straight sealing plug 32 to slide towards the air inlet pipe 35, when the rotating shaft 2 rotates counterclockwise, the rack 23 drives the straight piston cylinder 3 to slide upwards, so that the elastic force of the first spring 33 is released, so that the straight piston rod 31 and the straight sealing plug 32 slide towards the direction far away from the air inlet pipe 35, and further the air pressure in the straight piston cylinder 3 changes back and forth, which is described in detail as follows:
in the above, when the straight piston rod 31 and the straight sealing plug 32 slide in the straight piston cylinder 3 in the direction away from the air inlet pipe 35, a negative pressure is generated in cooperation with the check valve 37, so that the outside air is sucked into the straight piston cylinder 3 through the air inlet pipe 35, and when the straight piston rod 31 and the straight sealing plug 32 slide in the straight piston cylinder 3 in the direction towards the air inlet pipe 35, a high pressure is generated in cooperation with the check valve 37, so that the air in the straight piston cylinder 3 is sent into the first arc-shaped piston cylinder 4 through the air delivery pipe 36.
And then reached the patient's size bigger, the gas that lets in first arc piston tube 4 is more, thereby the slip stroke increase of first arc piston rod 41 and first arc sealing plug 42 in first arc piston tube 4, and the patient's size is bigger, the gas that lets in first arc piston tube 4 is less, thereby the slip stroke of first arc piston rod 41 and first arc sealing plug 42 in first arc piston tube 4 reduces, and then reached when straight piston tube 3 slides to the patient, the effect of the slip stroke of first arc piston rod 41 and first arc sealing plug 42 in first arc piston tube 4 is confirmed to the size through the patient size.
When patient's size is great, the slip stroke of first arc piston rod 41 and first arc sealing plug 42 in the first arc piston section of thick bamboo 4 is big more, refer to fig. 5, thereby arc 11 uses first rotation pole 15 as centre of a circle pivoted stroke grow, make patient's thigh follow arc 11 synchronous rotation, and the shank is located sliding plate 12, make the patient be the bucking form, and because the big patient of size, local adipose tissue is more, the puncture is difficult, thereby make the big patient of size buckle more, make things convenient for the effect that doctor impaled.
When the patient is small in size, the smaller the degree of flexion of the patient is, as in the above principle.
Through setting up adjustment mechanism, reached and to have adjusted patient's bucking form according to patient's size self-adaptation for reduced the doctor and pierced the degree of difficulty, and need not the patient oneself simultaneously and keep the health bucking, make the patient more relax, reduced the doctor and pierced the poor effect of effect.
When the straight piston cylinder 3 slides downwards, the connecting frame 5 on the straight piston cylinder synchronously slides downwards until the first bevel gear 52 is meshed with the second bevel gear 54, and the second bevel gear 54 rotates, so that the first bevel gear 52 drives the second rotating rod 51 to synchronously rotate, the disk 53 synchronously rotates, and the effect that the wiping body sterilizes the transiliac upper spine of a patient, manual sterilization is not needed, and time and labor are saved is achieved.
The wiping body can be selected from medical cotton and sponge which are adsorbed with disinfectant, and when the cleaning device is used, the proper wiping body can be selected according to actual use conditions.
When the arc plate 11 rotates with the first rotating rod 15, the second arc piston rod 61 fixedly connected with the arc plate drives the second arc sealing plug 62 to slide towards one end of the conveying pipe 64 along the second arc piston cylinder 6, so that gas in the second arc piston cylinder 6 is conveyed into the air bag 17 through the conveying pipe 64, and through the cooperation of the air bag 17 and the sliding plate 12, the shank part of a patient is fixed, the patient is prevented from shaking when the bone marrow is punctured, and the puncturing effect is influenced.
The physician then rocks hand crank 21 counterclockwise causing the feedback mechanism and disinfection mechanism to slide upward until reset.
The physician then performs local anesthesia of the patient's posterior superior iliac spine, after confirmation of anesthesia, then inserts a needle, aspirates, then compresses and stanchs, and then subsequently sterilizes and packs the puncture site.
Subsequently, the doctor manually pushes the circular truncated cone 44, so that the circular truncated cone 44 is not matched with the exhaust hole, and thus, the gas in the first arc-shaped piston cylinder 4 is exhausted through the exhaust hole, at this time, the elastic force of the second spring 43 is released, so that the first arc-shaped piston rod 41 and the first arc-shaped sealing plug 42 slide towards the gas pipe 36, and the arc-shaped plate 11 and the sliding plate 12 are reset synchronously.
When the arc plate 11 is reset and through the cooperation of the fourth spring 63, the second arc piston rod 61 and the second arc sealing plug 62 slide in the direction of the delivery pipe 64, so that the gas in the gas bag 17 is returned to the second arc piston cylinder 6 through the delivery pipe 64, and the gas bag 17 is reset.
By resetting the air bag 17 and the slide plate 12 the fixation of the patient is released and the patient can leave the device afterwards.
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 (9)

1. An auxiliary device for bone marrow aspiration, comprising a bearing plate (1) and a support plate (16), characterized in that: the utility model discloses a patient's health care product, including bearing plate (1), rotation and rotation are connected with arc (11) that are used for supporting patient's thighs on bearing plate (1) and through the spacing sliding connection of this arc, rotation is connected with first rotation pole (15) on bearing plate (1), first rotation pole (15) and arc (11) fixed connection, seted up the chute on bearing plate (1) and through the spacing sliding connection of this chute have sliding plate (12) that are used for supporting patient's shank, sliding plate (12) are articulated through round pin axle and arc (11), hollow chamber has been seted up on bearing plate (1), be equipped with the feedback mechanism who is used for confirming patient's fat thin degree on bearing plate (1), be equipped with the adjustment mechanism who is used for self-adaptation regulation arc (11) and sliding plate (12) on backup pad (16).
2. An aid for bone marrow aspiration as claimed in claim 1 wherein: feedback mechanism is including support frame (13) of fixed connection on bearing plate (1), two supporting shoe (14) of fixedly connected with on support frame (13), two rotate on supporting shoe (14) and be connected with axis of rotation (2), fixedly connected with crank (21) and gear (22) are gone up in axis of rotation (2), seted up the spout on support frame (13) and have rack (23) with gear (22) meshing through the spacing sliding connection of this spout.
3. An aid for bone marrow aspiration as claimed in claim 2 wherein: feedback mechanism is still including straight piston cylinder (3) of fixed connection at rack (23) lower surface, sliding connection has straight sealing plug (32) on the inner wall of straight piston cylinder (3), straight piston rod (31) of fixedly connected with on straight sealing plug (32), contact piece (34) of fixedly connected with and patient contact on straight piston rod (31), first spring (33) have been placed in straight piston cylinder (3), the both ends of first spring (33) respectively with straight sealing plug (32) and straight piston cylinder (3) fixed connection.
4. An aid for bone marrow aspiration according to claim 3 wherein: the feedback mechanism further comprises an air inlet pipe (35) and an air delivery pipe (36), the straight piston cylinder (3) is fixedly communicated with the outside through the air inlet pipe (35), one end, far away from the air inlet pipe (35), of the straight piston cylinder (3) is fixedly communicated with the air delivery pipe (36), and the air inlet pipe (35) and the air delivery pipe (36) are fixedly connected with one-way valves (37);
the adjusting mechanism comprises a first arc-shaped piston cylinder (4) fixedly connected to a supporting plate (16), a first arc-shaped sealing plug (42) is connected to the inner wall of the first arc-shaped piston cylinder (4) in a sliding mode, a first arc-shaped piston rod (41) is fixedly connected to the first arc-shaped sealing plug (42), one end, far away from the first arc-shaped sealing plug (42), of the first arc-shaped piston rod (41) is fixedly connected with the arc-shaped plate (11), and the first arc-shaped piston cylinder (4) is fixedly communicated with one end, far away from the straight piston cylinder (3), of the gas conveying pipe (36);
the adjusting mechanism further comprises a second spring (43) and a third spring (45), the second spring (43) is sleeved on the first arc-shaped piston rod (41), two ends of the second spring (43) are respectively fixedly connected with the first arc-shaped sealing plug (42) and the first arc-shaped piston cylinder (4), an exhaust hole is formed in the first arc-shaped piston cylinder (4), a circular table (44) is connected to the first arc-shaped piston cylinder in a limiting sliding mode through the exhaust hole, and two ends of the third spring (45) are respectively fixedly connected with the circular table (44) and the first arc-shaped piston cylinder (4).
5. An aid for bone marrow aspiration according to claim 3 wherein: the disinfection mechanism is characterized in that a disinfection mechanism for disinfecting a patient is arranged on the straight piston cylinder (3), and the disinfection mechanism further comprises a connecting frame (5) fixedly connected to the straight piston cylinder (3).
6. An aid for bone marrow aspiration as claimed in claim 5 wherein: the lower surface of link (5) rotates and is connected with second dwang (51), fixedly connected with first conical gear (52) and disc (53) on second dwang (51).
7. An aid for bone marrow aspiration as claimed in claim 6 wherein: the lower surface of the disc (53) is detachably connected with a wiping body, and a second bevel gear (54) intermittently meshed with the first bevel gear (52) is fixedly connected to the first rotating rod (15).
8. An aid for bone marrow aspiration as set forth in claim 1, wherein: be equipped with on bearing plate (1) and be used for carrying out the fixed establishment to patient's shank portion, fixed establishment is including backup pad (16) of fixed connection on bearing plate (1), fixedly connected with gasbag (17) are gone up in backup pad (16), fixed establishment is still including second arc piston section of thick bamboo (6), conveyer pipe (64) and fourth spring (63), second arc piston section of thick bamboo (6) fixed connection is on hollow chamber, sliding connection has second arc sealing plug (62) on the inner wall of second arc piston section of thick bamboo (6), fixedly connected with second arc piston rod (61) is gone up in second arc sealing plug (62), the one end and arc plate (11) fixed connection of second arc sealing plug (62) are kept away from in second arc piston rod (61).
9. An aid for bone marrow aspiration as claimed in claim 8 wherein: the second arc-shaped piston cylinder (6) is fixedly communicated with the air bag (17) through a conveying pipe (64), and two ends of the fourth spring (63) are respectively and fixedly communicated with the second arc-shaped sealing plug (62) and the second arc-shaped piston cylinder (6).
CN202210948221.6A 2022-08-09 2022-08-09 Auxiliary device for bone marrow puncture Active CN115350042B (en)

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US20170027797A1 (en) * 2015-07-31 2017-02-02 Allen Medical Systems, Inc. Person support apparatus with tracking features
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