CN216455223U

CN216455223U - Auxiliary puncture device for bone puncture needle

Info

Publication number: CN216455223U
Application number: CN202122836478.6U
Authority: CN
Inventors: 李文静
Original assignee: 980th Hospital of the Joint Logistics Support Force of PLA
Current assignee: 980th Hospital of the Joint Logistics Support Force of PLA
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-10
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses an auxiliary puncture device for a bone puncture needle, and relates to the technical field of bone puncture needle puncture equipment. The utility model comprises a clamping mechanism which is detachably arranged at the edge of an operating table. According to the utility model, the clamping mechanism is detachably arranged at the edge of the operating table, when a patient lies on the operating table, the height of the L-shaped plate is adjusted until one side surface of the L-shaped plate is tightly attached to the puncture part of the patient, the position of the sliding sleeve is adjusted along the width direction of the operating table, so that the sliding sleeve falls above the puncture part, the depth needing to be punctured is determined according to the prior X-ray film, the sleeve is rotated to move along the height direction of the sliding sleeve, the sliding sleeve stops after reaching the proper position, then the puncture needle penetrates through the sleeve and punctures the puncture part of the patient, when the set puncture depth is reached, the handle part of the puncture needle can impact on the buffer rubber ring, so that the puncture needle is prevented from further puncturing the body of the patient, and meanwhile, the puncture needle is not easy to deviate from the correct puncture direction under the guidance of the sleeve.

Description

Auxiliary puncture device for bone puncture needle

Technical Field

The utility model relates to the technical field of bone puncture needle puncture equipment, in particular to an auxiliary puncture device for a bone puncture needle.

Background

All-metal bone puncture needles are widely applied to various medical institutions as medical instruments necessary for clinical implementation of bone marrow puncture and bone marrow fluid sample extraction detection, when the bone puncture needles are used for puncture at present, an operator holds the bone puncture needles by hand and rotationally punctures the bone of a patient, and the puncture part is generally punctured by selecting an area with a flat surface.

However, the following problems are generally encountered during puncturing: 1. because of the difference of human bodies and the difference of bones of each person, when a doctor punctures, the doctor holds the bone puncture needle to rotate and puncture into the bone of a patient, when the bone is punctured and enters the bone cavity, the surgeon most probably punctures the bone puncture needle inwards further due to the inertia of the hand, and the patient is injured secondarily; 2. when the bone puncture needle is rotated for puncture, the bone puncture needle may deviate from the correct puncture direction, so that the puncture fails.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems in the background art, the utility model provides an auxiliary puncture device for an osteosynthesis needle.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a puncture device is assisted to bone puncture needle, includes the detachable fixture of installing in operating table border department, install height-adjustable's L shaped plate on the fixture, be provided with on the L shaped plate along the operating table width to position adjustable sliding sleeve, the inside threaded connection of sliding sleeve has the sleeve, the sleeve is used for bone puncture needle to pass and telescopic end fixing has the cushion rubber circle.

Further, fixture is including the grip slipper that the structure is the U-shaped, the U-shaped inboard of grip slipper is provided with the grip block that the tip was contradicted on its lateral wall, the bottom bearing of grip block is connected with the threaded rod, the threaded rod screw thread is installed on the grip slipper.

Further, the holder is kept away from its U-shaped open end and is constructed along vertical to the regulation groove of slope, L shaped plate slides and sets up in the regulation groove and along length to equidistance construction have a plurality of restriction holes, threaded connection has the end can insert to on the holder restriction bolt in the restriction hole.

Furthermore, a sliding groove is formed in the L-shaped plate, a groove wall on one side of the sliding groove penetrates through the sliding groove, one end of the sliding groove penetrates through a groove wall penetrating position, the tail end of the sliding groove is fixed to a U-shaped clamping piece on the sliding sleeve, and the other end of the U-shaped clamping piece is in threaded connection with a clamping bolt, wherein the tail end of the clamping bolt is used for abutting against the L-shaped plate.

Furthermore, a rubber pad is fixed at the edge of the top of the clamping seat, a knob is fixed at the end of the threaded rod, and the limiting bolt and the clamping bolt are hand-screwed bolts.

Further, the thickness of the L-shaped plate is 1 cm.

Further, the surfaces of the L-shaped plates are frosted surfaces.

The utility model has the following beneficial effects:

1. according to the utility model, the clamping mechanism is detachably arranged at the edge of the operating table, when a patient lies on the operating table, the height of the L-shaped plate is adjusted until one side surface of the L-shaped plate is tightly attached to the puncture part of the patient, the position of the sliding sleeve is adjusted along the width direction of the operating table, so that the sliding sleeve falls above the puncture part, the depth to be punctured is determined according to a preset X-ray film, the sleeve is rotated to move along the height direction of the sliding sleeve, the sliding sleeve stops after reaching a proper position, then the puncture needle penetrates through the sleeve and punctures the puncture part of the patient, when the set puncture depth is reached, the handle part of the puncture needle can impact on the buffer rubber ring, so that the puncture needle is prevented from further puncturing the body of the patient, and meanwhile, under the guidance of the sleeve, the puncture needle is not easy to deviate from the correct puncture direction.

Drawings

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

FIG. 2 is a side view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;

reference numerals: 1. a clamping mechanism; 101. a clamping seat; 102. a clamping block; 103. a threaded rod; 104. an adjustment groove; 105. a restraining bolt; 2. an L-shaped plate; 201. a limiting aperture; 202. a chute; 3. a sliding sleeve; 4. a sleeve; 5. a buffer rubber ring; 6. a U-shaped clamping sheet; 7. clamping the bolt; 8. a rubber pad; 9. a knob.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.

As shown in figures 1, 2, 3 and 4, the puncture device for assisting the puncture of the bone puncture needle comprises a clamping mechanism 1 which is detachably arranged at the edge of an operating table, an L-shaped plate 2 with adjustable height is arranged on the clamping mechanism, a sliding sleeve 3 with adjustable position along the width direction of the operating table is arranged on the L-shaped plate 2, a sleeve 4 is connected inside the sliding sleeve 3 in a threaded manner, the sleeve 4 is used for the puncture needle to pass through, and a buffer rubber ring 5 is fixed at the end part of the sleeve 4, in some embodiments, the clamping mechanism 1 is detachably arranged at the edge of the operating table, when a patient lies on the operating table, the height of the L-shaped plate 2 is adjusted until one side surface of the L-shaped plate 2 is tightly attached to the puncture part of the patient, at the moment, the position of the sliding sleeve 3 is adjusted along the width direction of the operating table, so that the sliding sleeve falls above the puncture part, the depth required to be punctured is determined according to a previous X-ray film, and the sleeve 4 is rotated so that the sliding sleeve moves along the height direction of the sliding sleeve 3, stopping after reaching the proper position, then the puncture needle passes through the sleeve 4 and punctures to the puncture site of the patient, when the set puncture depth is reached, the handle part of the puncture needle can impact on the buffer rubber ring 5, thereby preventing the puncture needle from further penetrating into the body of the patient, while the puncture needle is less prone to deviate from the correct puncture direction, more specifically, when in use, a patient firstly lies on the operating table, then the clamping mechanism 1 is installed, the height of the L-shaped plate 2 is adjusted until one side surface of the L-shaped plate 2 clings to the skin of the patient, and the position of the sliding sleeve 3 is adjusted along the width direction of the operating table to make the sliding sleeve fall above the puncture position, then the sleeve 4 is rotated according to the depth needing puncture obtained from the X-ray film, and the height between the buffer rubber ring 5 and the skin of the patient is measured by using a graduated scale, and the measured height is subtracted from the length of the puncture needle to obtain the puncture depth.

As shown in fig. 1 and 2, in some embodiments, the clamping mechanism 1 includes a clamping seat 101 configured in a U shape, a clamping block 102 whose end portion abuts against a side wall of the clamping seat 101 is disposed on an inner side of the U shape of the clamping seat 101, a threaded rod 103 is connected to a bottom bearing of the clamping block 102, the threaded rod 103 is threadedly mounted on the clamping seat 101, when the clamping seat 101 is mounted, a U-shaped opening of the clamping seat 101 is sleeved on an edge of an operating table, and the threaded rod 103 is rotated, so that the clamping block 102 cooperates with the clamping seat 101 to clamp the edge of the operating table under the action of the threaded rod 103, as shown in fig. 2, it should be noted that a side surface of the clamping block 102 is abutted against an inner side wall of the clamping seat 101, so that it can be restricted from rotating along with the threaded rod 103 when it moves.

As shown in fig. 1, in some embodiments, the clamping base 101 is configured with an adjusting groove 104 inclined in the vertical direction away from the U-shaped open end thereof, the L-shaped plate 2 is slidably disposed in the adjusting groove 104 and is configured with a plurality of limiting holes 201 at equal intervals in the length direction, a limiting bolt 105 with an end capable of being inserted into the limiting holes 201 is threadedly connected to the clamping base 101, when the height of the L-shaped plate 2 needs to be adjusted, the L-shaped plate 2 is pulled to slide along the adjusting groove 104, and when the proper height is reached, the limiting bolt 105 is rotated so that the end thereof is inserted into the limiting holes 201, and then the L-shaped plate is fixed.

As shown in fig. 1, in some embodiments, a sliding groove 202 is configured on the L-shaped plate 2, a groove wall on one side of the sliding groove 202 penetrates through the sliding groove, a U-shaped clamping piece 6 is disposed outside the sliding groove 202, one end of the U-shaped clamping piece passes through the groove wall penetrating position, and the tail end of the U-shaped clamping piece 6 is fixed on the sliding sleeve 3, the other end of the U-shaped clamping piece 6 is in threaded connection with a clamping bolt 7, the tail end of which is used for abutting against the L-shaped plate 2, when the position of the sliding sleeve 3 needs to be adjusted along the width direction of the operating table, the U-shaped clamping piece is pulled to drive the sliding sleeve 3 to slide along the sliding groove 202, and when the proper position is reached, the clamping bolt 7 is rotated, so that the tail end of the clamping bolt abuts against the L-shaped plate 2.

As shown in fig. 1 and 2, in some embodiments, a rubber pad 8 is fixed at the top edge of the clamping seat 101, a knob 9 is fixed at the end of the threaded rod 103, the limiting bolt 105 and the clamping bolt 7 are both hand-screwed bolts, the rubber pad 8 is provided to prevent a patient from colliding with the clamping seat 101, and the knob 9 provides a force point when the threaded rod 103 is rotated.

As shown in FIG. 1, in some embodiments, the thickness of the L-shaped plate 2 is 1cm, and the thickness of the L-shaped plate 2 is set to 1cm, so that the L-shaped plate 2 is not required to be measured from the skin of a patient when a graduated scale is used for measurement, and measurement errors caused by uneven skin are avoided, and meanwhile, the 1cm is not fixed data and can be automatically adjusted during production according to actual conditions.

In some embodiments, as shown in fig. 1, the surfaces of the L-shaped plate 2 are frosted, and the surface of the L-shaped plate 2 is frosted to provide a large friction force when the clamping bolt 7 is abutted thereon.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a puncture device is assisted to bone puncture needle, its characterized in that includes detachable fixture (1) of installing in operating table border department, install height-adjustable's L shaped plate (2) on the fixture, be provided with along operating table width to position adjustable sliding sleeve (3) on L shaped plate (2), sliding sleeve (3) internal thread is connected with sleeve (4), sleeve (4) are used for the end fixing that the bone puncture needle passed and sleeve (4) to have cushion rubber circle (5).

2. The auxiliary puncturing device for the bone puncture needle as claimed in claim 1, wherein the clamping mechanism (1) comprises a clamping seat (101) which is configured into a U shape, the inner side of the U shape of the clamping seat (101) is provided with a clamping block (102) with the end part abutting against the side wall of the clamping seat, the bottom of the clamping block (102) is in bearing connection with a threaded rod (103), and the threaded rod (103) is in threaded mounting on the clamping seat (101).

3. The auxiliary puncturing device for the bone puncture needle as claimed in claim 2, wherein the holding base (101) is configured with an adjusting groove (104) inclined along the vertical direction away from the U-shaped opening end thereof, the L-shaped plate (2) is slidably arranged in the adjusting groove (104) and is configured with a plurality of limiting holes (201) along the length direction at equal intervals, and the holding base (101) is threadedly connected with a limiting bolt (105) with the end capable of being inserted into the limiting holes (201).

4. The auxiliary puncture device for the bone puncture needle as claimed in claim 3, wherein a sliding groove (202) is formed in the L-shaped plate (2), a groove wall of one side of the sliding groove (202) penetrates through the sliding groove, a U-shaped clamping sheet (6) is arranged outside the sliding groove (202), one end of the U-shaped clamping sheet penetrates through the groove wall and the other end of the U-shaped clamping sheet is fixed on the sliding sleeve (3), and a clamping bolt (7) with the end abutting against the L-shaped plate (2) is in threaded connection with the other end of the U-shaped clamping sheet (6).

5. The auxiliary puncturing device for the bone puncture needle as claimed in claim 4, wherein a rubber pad (8) is fixed at the top edge of the clamping seat (101), a knob (9) is fixed at the end of the threaded rod (103), and the limiting bolt (105) and the clamping bolt (7) are both hand-screwed bolts.

6. A piercing aid as claimed in claim 1, characterized in that the L-shaped plate (2) has a thickness of 1 cm.

7. The puncture device is assisted by a bone puncture needle according to claim 1, wherein the surfaces of the L-shaped plate (2) are frosted surfaces.